diff options
| author | Harald Welte <laforge@gnumonks.org> | 2017-07-25 08:23:52 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2017-07-25 08:23:52 +0200 |
| commit | 9a8f503f9ab85c309de8fc348186ac3b6c58b1d1 (patch) | |
| tree | 401c7c4eb4591566b48b5989f9bd0caaeb9e2c65 /ROHC_CNL113426_LATEST/src | |
| parent | 96a06c43739f6743e6f1df41e3f0e253c862c6f8 (diff) | |
import Ericsson NS, ISUP, ROHC and SNDCP modules for TITAN
Diffstat (limited to 'ROHC_CNL113426_LATEST/src')
| -rw-r--r-- | ROHC_CNL113426_LATEST/src/ROHC_EncDec.cc | 6767 | ||||
| -rw-r--r-- | ROHC_CNL113426_LATEST/src/ROHC_Types.ttcn | 1079 |
2 files changed, 7846 insertions, 0 deletions
diff --git a/ROHC_CNL113426_LATEST/src/ROHC_EncDec.cc b/ROHC_CNL113426_LATEST/src/ROHC_EncDec.cc new file mode 100644 index 00000000..4023e1b8 --- /dev/null +++ b/ROHC_CNL113426_LATEST/src/ROHC_EncDec.cc @@ -0,0 +1,6767 @@ +///////////////////////////////////////////////////////////////////////////////
+// //
+// Copyright Test Competence Center (TCC) ETH 2003 //
+// //
+// The copyright to the computer program(s) herein is the property of TCC. //
+// The program(s) may be used and/or copied only with the written permission //
+// of TCC or in accordance with the terms and conditions stipulated in the //
+// agreement/contract under which the program(s) has been supplied. //
+// //
+///////////////////////////////////////////////////////////////////////////////
+//
+// File: ROHC_EncDec.cc
+// Description: ROHC
+// Rev: R3A01 +// Prodnr: CNL 113 426
+// Updated: 2007-02-07
+// Contact: http://ttcn.ericsson.se
+//
+
+/* Based on RFC 3095, July 2001 */
+
+#include "IP_Types.hh"
+#include "UDP_Types.hh"
+#include "RTP_Types.hh"
+#include "ROHC_Types.hh"
+
+/* ============ Constants ============ */
+
+/* Encoding and decoding is performed using static buffers */
+#define MAX_PACKET_SIZE 1500
+#define HEXDUMP_BUFFER_SIZE 1500
+
+/* ROHC mode constants */
+#define ROHC_mode_C 0
+#define ROHC_mode_U 1
+#define ROHC_mode_O 2
+#define ROHC_mode_R 3
+
+/* Inner and outer IP level numbers */
+#define Inner_IP 1
+#define Outer_IP 0
+
+/* ============ Utilities ============ */
+
+#define isIR(val) (((val) & 0xFE) == 0xFC)
+#define isIRDYN(val) ((val) == 0xF8)
+#define isUOR2(val) (((val) & 0xE0) == 0xC0)
+
+/* Shifts the passed bit value from the position 0 to position N. */
+#define ShiftUpBit(val, position) ((val) << (position)) & (0x01 << (position))
+
+/* Shifts the passed bit value from the position N to position 0. */
+#define ShiftDownBit(val, position) (((val) >> (position)) & 0x01)
+
+/* Logs an event, when the 'value' field in the type 'typename' is not
+ implemented. 'typename' must be provided in '"'s */
+#define Log_not_implemented_union_field(typename, value) \
+TTCN_error("Encoding of the selected union field (%u) in type " \
+ typename " is not implemented", (value));
+
+/* Prints a hexdump of the buffer 'buf' in length 'length'. */
+#define Log_hexdump(buf, length) \
+TTCN_logger.log(TTCN_DEBUG, "Buffer (length = %d):\n%s", \
+ (length), debug_hexdump((buf), debug_buf, (length)));
+
+/* Logs the name of the function on entering */
+#define Log_function_name_on_enter() \
+TTCN_logger.log(TTCN_DEBUG, "Entering %s", __FUNCTION__);
+
+/* Logs the name of the function on leaving */
+#define Log_function_name_on_leave() \
+TTCN_logger.log(TTCN_DEBUG, "Leaving %s", __FUNCTION__);
+
+/* Logs an object */
+#define Log_object(o) \
+TTCN_logger.begin_event(TTCN_DEBUG); \
+(o).log(); \
+TTCN_logger.end_event(); \
+
+//**********************************************************
+// NAMESPACE
+//**********************************************************
+
+namespace ROHC__Types {
+
+using namespace General__Types;
+using namespace IP__Types;
+using namespace UDP__Types;
+using namespace RTP__Types;
+
+/* Umbrella type for parsing an incoming ROHC packet */
+typedef struct
+{
+ ROHC__context & context;
+ int cid;
+ int compressed_ah_data_len[2];
+ bool ipx_gre_cksum_present[2];
+} t_dat;
+
+/* TODO: this is not a thread-safe thing to do. For FT, it does not
+ matter, but the buffer should be allocated dynamically. */
+static char debug_buf[HEXDUMP_BUFFER_SIZE];
+
+static char *
+debug_hexdump(const unsigned char *src_buf, char *dest_buf, unsigned int len)
+{
+ unsigned int offset = 0;
+ char val;
+
+ memset(dest_buf, 0, HEXDUMP_BUFFER_SIZE);
+
+ if (src_buf == NULL || len == 0)
+ return dest_buf;
+
+ for (unsigned int i = 0; i < len; i++)
+ {
+ if ((i % 16) == 0 && i > 0)
+ {
+ dest_buf[offset] = 0x0A; /* newline after each line */
+ offset++;
+ }
+ if ((i % 8) == 0)
+ {
+ dest_buf[offset] = 0x20; /* space after 8 characters */
+ offset++;
+ }
+ val = (src_buf[i] >> 4) & 0x0F; /* First digit */
+ val = (val < 10) ? (val + 48) : (val + 65 - 10);
+ dest_buf[offset] = val;
+ offset++;
+ val = src_buf[i] & 0x0F; /* Second digit */
+ val = (val < 10) ? (val + 48) : (val + 65 - 10);
+ dest_buf[offset] += val;
+ offset++;
+ dest_buf[offset] = 0x20; /* space after the value */
+ offset++;
+ }
+
+ return dest_buf;
+}
+
+/* ============ Consistency check routines ============ */
+void
+Check_field_value(char *text, int urherenow, int wannabe)
+{
+ if (wannabe != urherenow)
+ {
+ TTCN_logger.log(TTCN_WARNING, "Field '%s' must be %u, %u is given",
+ text, wannabe, urherenow);
+ }
+}
+
+void
+Check_field_presence(char *text, bool flag, bool presence)
+{
+ if (flag && !presence)
+ {
+ TTCN_logger.log(TTCN_WARNING, "Field '%s' must be present, when "
+ "its presence flag is set", text);
+ }
+ else if (!flag && presence)
+ {
+ TTCN_logger.log(TTCN_WARNING, "Field '%s' must not be present, when "
+ "its presence flag is unset", text);
+ }
+}
+
+void
+Check_feedback_code__size(const INT3b & code, const OPTIONAL < LIN1 > &size)
+{
+ if (size.ispresent() && code > 0)
+ {
+ TTCN_logger.log(TTCN_WARNING,
+ "Code field must be 0, when size field is specified");
+ }
+}
+
+void
+Check_feedback_optlen__optsize(const INT4b & len,
+ const OPTIONAL < OCTETSTRING > &data)
+{
+ if (data.ispresent() && (data().lengthof() != len))
+ {
+ int flen = len;
+ int fdatalen = data().lengthof();
+ TTCN_logger.log(TTCN_WARNING,
+ "Feedback option length (%u) is different from "
+ "the length of feedback option data (%u)", flen, fdatalen);
+ }
+ else if (!data.ispresent() && len > 0)
+ {
+ int flen = len;
+ TTCN_logger.log(TTCN_WARNING,
+ "No feedback option data, but feedback option length "
+ "is not 0 (%u)", flen);
+ }
+}
+
+void
+Check_ps_bit__xi_format(const BIT1 & psbit,
+ const OPTIONAL < XI__list > &xilist)
+{
+ if (!xilist.ispresent())
+ return;
+ if (xilist().get_selection() == XI__list::ALT_xi__item8 && (*psbit) == 0)
+ {
+ TTCN_logger.log(TTCN_WARNING, "PS bit is 0, 4-bit indices must be used");
+ }
+ else if (xilist().get_selection() == XI__list::ALT_xi__item4 && (*psbit) == 1)
+ {
+ TTCN_logger.log(TTCN_WARNING, "PS bit is 1, 8-bit indices must be used");
+ }
+}
+
+INTEGER
+ComputeCRC(const unsigned char *buf, int length, int crclen)
+{
+ int crcval, poly, shiftmask;
+
+ Log_function_name_on_enter();
+ TTCN_logger.log(TTCN_DEBUG, "Calculating CRC-%d over:", crclen);
+ Log_hexdump(buf, length);
+
+ switch (crclen)
+ {
+ case 3:
+ poly = 0x06;
+ crcval = 0x07;
+ shiftmask = 0x03;
+ break;
+
+ case 7:
+ poly = 0x79;
+ crcval = 0x7F;
+ shiftmask = 0x3F;
+ break;
+
+ case 8:
+ poly = 0xE0;
+ crcval = 0xFF;
+ shiftmask = 0x7F;
+ break;
+
+ case 32:
+ poly = 0xEDB88320;
+ crcval = 0xFFFFFFFF;
+ shiftmask = 0x7FFFFFFF;
+ break;
+
+ default:
+ poly = 0;
+ TTCN_error("Unknown CRC length(%d)\n", crclen);
+ break;
+ }
+
+ if (poly == 0)
+ return 0;
+
+ for (int i = 0; i < length; i++)
+ {
+ for (int j = 0; j < 8; j++)
+ {
+ if ((crcval & 0x01) ^ (ShiftDownBit(buf[i], j)))
+ {
+ crcval = (crcval >> 1) & shiftmask;
+ crcval ^= poly;
+ }
+ else
+ {
+ crcval = (crcval >> 1) & shiftmask;
+ }
+ }
+ }
+
+ /* CRC-32 in ROHC needs to be negated at the end */
+ if (crclen == 32)
+ {
+ crcval ^= 0xffffffff;
+ }
+
+ Log_function_name_on_leave();
+
+ unsigned int ui = (unsigned int)crcval;
+ char sbuf[16];
+ sprintf(sbuf, "%u", ui);
+
+ return INTEGER(sbuf);
+}
+
+/* ============ Encoding functions for base types ============ */
+
+/** Returns the index of the innermost IP level, based on the number of
+ IP levels in the context. */
+int
+getInnermostIPidx(t_dat *dat)
+{
+ // More than 1 levels: the innermost is always the index = 1
+ if (dat->context.ip__ctx().size_of() > 1)
+ return Inner_IP;
+ else
+ // The index is the one and only 0.
+ return Outer_IP;
+}
+
+/* Returns the index of the inner or outer IP level in the context, based on the
+ number of the IP levels in the context. If the return value is negative,
+ it indicates that the outer IP level does not exists. Negative value is
+ never returned, if the ip_level is the Inner IP level. */
+int
+getIPidx(t_dat *dat, int ip_level)
+{
+ if (ip_level == Outer_IP)
+ {
+ if (dat->context.ip__ctx().size_of() > 1)
+ return Outer_IP;
+ else
+ return -1;
+ }
+ else if (ip_level == Inner_IP)
+ return getInnermostIPidx(dat);
+ else
+ return ip_level;
+}
+
+/** Initializes the context of the specified IP level. */
+void
+initIPcontext(t_dat *dat, int ip_level, int ip_version)
+{
+ unsigned char ctemp = 0;
+ IP__context & field = dat->context.ip__ctx()[ip_level];
+
+ Log_function_name_on_enter();
+
+ field.version() = INTEGER(ip_version);
+ if (! field.rnd__bit().is_bound()) field.rnd__bit() = BOOLEAN(ctemp);
+ if (! field.ah__present().is_bound()) field.ah__present() = BOOLEAN(ctemp);
+ if (! field.gre__present().is_bound()) field.gre__present() = BOOLEAN(ctemp);
+ if (! field.esp__present().is_bound()) field.esp__present() = BOOLEAN(ctemp);
+ if (! field.ah__data__len().is_bound())
+ field.ah__data__len() = INTEGER(ctemp);
+ if (! field.gre__cksum__present().is_bound())
+ field.gre__cksum__present() = BOOLEAN(ctemp);
+
+ Log_object(dat->context);
+
+ Log_function_name_on_leave();
+}
+
+/** Initializes the UDP context. */
+void
+initUDPcontext(t_dat *dat)
+{
+ unsigned char ctemp = 1;
+ UDP__context & field = dat->context.udp__ctx();
+
+ if (! field.udp__cksum().is_bound()) field.udp__cksum() = BOOLEAN(ctemp);
+}
+
+/** Initializes the specified CID's context. */
+void
+initCIDcontext(t_dat *dat)
+{
+ unsigned char ctemp = 0;
+ ROHC__context & field = dat->context;
+
+ if (! field.mode().is_bound()) field.mode() = INTEGER(cg__ROHC__mode__U);
+ if (! field.profile().is_bound()) field.profile() = INTEGER(ctemp);
+ if (! field.pkt().is_bound()) field.pkt() = Packet__type(Packet__type::IR);
+ if (! field.ip__ctx().is_bound()) initIPcontext(dat, 0, 4);
+ initUDPcontext(dat);
+}
+
+/** Initializes the umbrella type before the ROHC packet parsing starts. */
+t_dat
+initTDAT(ROHC__config & config, int cid)
+{
+ t_dat dat = { config.context()[cid], cid, {0, 0}, {false, false} };
+
+ // Expect AH auth data and GRE checksum after the compressed header
+ // by default. If the uncompressed form is used, these values will be
+ // set to 0 or false during parsing.
+ dat.compressed_ah_data_len[0] =
+ config.context()[cid].ip__ctx()[0].ah__data__len();
+ dat.ipx_gre_cksum_present[0] =
+ config.context()[cid].ip__ctx()[0].gre__cksum__present();
+ if (config.context()[cid].ip__ctx().size_of() > 1)
+ {
+ dat.compressed_ah_data_len[1] =
+ config.context()[cid].ip__ctx()[1].ah__data__len();
+ dat.ipx_gre_cksum_present[1] =
+ config.context()[cid].ip__ctx()[1].gre__cksum__present();
+ }
+ return dat;
+}
+
+/** Returns, whether there is any compressed IPv4 level,
+ where the RND bit is 0. */
+bool
+isAnyIPv4RNDunset(t_dat *dat)
+{
+ for (int i = 0; i < 2; i++)
+ {
+ int ip_idx = getIPidx(dat, i);
+
+ if (ip_idx >= 0) // IP level exists
+ {
+ if (! dat->context.ip__ctx()[ip_idx].rnd__bit())
+ return true;
+ }
+ }
+ return false;
+}
+
+/* Encodes an OCTETSTING value */
+int
+Set_octetstring(unsigned char *buf, const OCTETSTRING & val)
+{
+ memcpy(&(buf[0]), val, val.lengthof());
+ return val.lengthof();
+}
+
+/* Encodes a LIN2_BO_LAST value */
+int
+Set_LIN2_BO_LAST(unsigned char *buf, const LIN2__BO__LAST & val)
+{
+ buf[0] = (val >> 8) & 0xFF;
+ buf[1] = val & 0xFF;
+ return 2;
+}
+
+/* Encodes a LIN4_BO_LAST value */
+int
+Set_LIN4_BO_LAST(unsigned char *buf, const LIN4__BO__LAST & val)
+{
+ buf[0] = (val >> 24) & 0xFF;
+ buf[1] = (val >> 16) & 0xFF;
+ buf[2] = (val >> 8) & 0xFF;
+ buf[3] = val & 0xFF;
+ return 4;
+}
+
+/* Encodes a LIN1 value */
+int
+Set_LIN1(unsigned char *buf, const LIN1 & val)
+{
+ buf[0] = val & 0xFF;
+ return 1;
+}
+
+/* Returns the length of the SDVL encoded CID value 'val'. If the value
+ is invalid, exits via the ttcn_error(). */
+int
+SDVL_encoded_CID_length(int val)
+{
+ if (val <= 0x7F)
+ return 1;
+ else if (val <= 0x3FFF)
+ return 2;
+ else if (val <= 0x1FFFFF)
+ return 3;
+ else if (val <= 0x1FFFFFFF)
+ return 4;
+ else
+ TTCN_error("Value %u is too big for the SDVL encoder "
+ "(at most 29 bits can be used)", val);
+
+ return 0;
+}
+
+int
+Set_SDVL_field(unsigned char *buf, const INTEGER & val, int encoded_length)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if ((val <= 0x7F && encoded_length == 0) || encoded_length == 1)
+ {
+ buf[len] = val & 0x7F;
+ len += 1;
+ }
+ else if ((val <= 0x3FFF && encoded_length == 0) || encoded_length == 2)
+ {
+ buf[len] = 0x80 | ((val >> 8) & 0x7F);
+ len += 1;
+ buf[len] = val & 0xFF;
+ len += 1;
+ }
+ else if ((val <= 0x1FFFFF && encoded_length == 0) || encoded_length == 3)
+ {
+ buf[len] = 0xC0 | ((val >> 16) & 0x3F);
+ len += 1;
+ buf[len] = (val >> 8) & 0xFF;
+ len += 1;
+ buf[len] = val & 0xFF;
+ len += 1;
+ }
+ else if ((val <= 0x1FFFFFFF && encoded_length == 0) || encoded_length == 4)
+ {
+ buf[len] = 0xE0 | ((val >> 24) & 0x1F);
+ len += 1;
+ buf[len] = (val >> 16) & 0xFF;
+ len += 1;
+ buf[len] = (val >> 8) & 0xFF;
+ len += 1;
+ buf[len] = val & 0xFF;
+ len += 1;
+ }
+ else
+ {
+ int tmp = val;
+ TTCN_error("Value %u (specified length is %u) is too big for the "
+ "SDVL encoder (at most 29 bits can be used)",
+ tmp, encoded_length);
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+/* ============ Encoding wrappers for optional base types ============ */
+
+/* Encodes an optional OCTETSTING value */
+int
+Set_octetstring_opt(unsigned char *buf, const OPTIONAL < OCTETSTRING > &val)
+{
+ if (!val.ispresent())
+ return 0;
+ return Set_octetstring(buf, val());
+}
+
+/* Encodes an optional LIN2_BO_LAST value */
+int
+Set_LIN2_BO_LAST_opt(unsigned char *buf,
+ const OPTIONAL < LIN2__BO__LAST > &val)
+{
+ if (!val.ispresent())
+ return 0;
+ return Set_LIN2_BO_LAST(buf, val());
+}
+
+/* Encodes an optional LIN4_BO_LAST value */
+int
+Set_LIN4_BO_LAST_opt(unsigned char *buf,
+ const OPTIONAL < LIN4__BO__LAST > &val)
+{
+ if (!val.ispresent())
+ return 0;
+ return Set_LIN4_BO_LAST(buf, val());
+}
+
+/* Encodes an optional LIN1 value */
+int
+Set_LIN1_opt(unsigned char *buf, const OPTIONAL < LIN1 > &val)
+{
+ if (!val.ispresent())
+ return 0;
+ return Set_LIN1(buf, val());
+}
+
+int
+Set_SDVL_field_opt(unsigned char *buf,
+ const OPTIONAL < INTEGER > &val, int length)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!val.ispresent())
+ return 0;
+ len += Set_SDVL_field(buf, val(), length);
+ Log_function_name_on_leave();
+ return len;
+}
+
+/* ============ Encoding functions for common ROHC types ============ */
+
+int
+Set_CID(unsigned char *buf, const INTEGER & cid, BOOLEAN const &large_cid)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (large_cid == false)
+ {
+ if (cid > 0)
+ {
+ buf[len] = 0xE0 + (cid & 0x0F);
+ len += 1;
+ }
+ }
+ else
+ len += Set_SDVL_field(&buf[len], cid, 0);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+/* CSRC and IP extension header item list encoding */
+int
+Set_Item_list_opt(unsigned char *buf, const OPTIONAL < Item__list > &item_list)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!item_list.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+
+ /* Item list is an IP extension header list */
+ if (item_list().get_selection() == Item__list::ALT_ip__item__list)
+ {
+ IP__Item__list ip_item_list = item_list().ip__item__list();
+
+ for (int num = 0; num < ip_item_list.size_of(); num++)
+ {
+ int start_pos = len;
+
+ switch (ip_item_list[num].get_selection())
+ {
+ case Item::ALT_ipv6__ext__item:
+ {
+ IPv6__ext__item & item = ip_item_list[num].ipv6__ext__item();
+
+ len += Set_LIN1(&buf[len], item.nexthead());
+ /* Length of the header in 8-octet units, not including
+ the first 8 octets. */
+ if (item.hdr__ext__len() == 0)
+ {
+ if ((item.data().lengthof() + 2) % 8 != 0)
+ {
+ TTCN_error("Invalid length (%u) of the IPv6 extension header",
+ item.data().lengthof());
+ }
+ buf[len] = (item.data().lengthof() + 2) / 8 - 1;
+ len += 1;
+ }
+ else
+ len += Set_LIN1(&buf[len], item.hdr__ext__len());
+ len += Set_octetstring(&buf[len], item.data());
+ break;
+ }
+ case Item::ALT_mine__item:
+ {
+ MINE__item & item = ip_item_list[num].mine__item();
+
+ Check_field_value("MINE protocol", item.protocol(), c__ip__proto__mine);
+ Check_field_value("MINE reserved", *item.reserved(), 0);
+
+ len += Set_LIN1(&buf[len], item.protocol());
+ buf[len] = (*item.s__bit()) << 7;
+ buf[len] += *item.reserved();
+ len += 1;
+ len += Set_LIN2_BO_LAST(&buf[len], item.cksum());
+ len += Set_octetstring(&buf[len], item.dstaddr());
+ len += Set_octetstring_opt(&buf[len], item.srcaddr());
+ break;
+ }
+ case Item::ALT_ah__item:
+ {
+ AH__item & item = ip_item_list[num].ah__item();
+
+ Check_field_value("AH nexthead", item.nexthead(), c__ip__proto__ah);
+ len += Set_LIN1(&buf[len], item.nexthead());
+
+ /* RFC 2402: This 8-bit field specifies the length of AH in
+ 32-bit words (4-byte units), minus "2". */
+ if (item.payload__len() == 0)
+ {
+ if (item.auth__data().ispresent())
+ buf[len] = (item.auth__data()().lengthof() / 4) + 3 - 2;
+ else
+ buf[len] = 1;
+ len += 1;
+ }
+ else
+ len += Set_LIN1(&buf[len], item.payload__len());
+
+ Check_field_value("AH reserved", item.reserved(), 0);
+ len += Set_LIN2_BO_LAST(&buf[len], item.reserved());
+ len += Set_LIN4_BO_LAST(&buf[len], item.spi());
+ len += Set_LIN4_BO_LAST(&buf[len], item.sn());
+ len += Set_octetstring_opt(&buf[len], item.auth__data());
+ break;
+ }
+ case Item::ALT_esp__item:
+ {
+ ESP__item & item = ip_item_list[num].esp__item();
+
+ Check_field_value("ESP nexthead", item.nexthead(), c__ip__proto__esp);
+ len += Set_LIN1(&buf[len], item.nexthead());
+ len += Set_LIN4_BO_LAST(&buf[len], item.spi());
+ len += Set_LIN4_BO_LAST(&buf[len], item.sn());
+ break;
+ }
+ case Item::ALT_gre__item:
+ {
+ GRE__item & item = ip_item_list[num].gre__item();
+
+ Check_field_value("GRE nexthead", item.nexthead(), c__ip__proto__gre2);
+ len += Set_LIN1(&buf[len], item.nexthead());
+ buf[len] = (*item.C__bit()) << 7;
+ Check_field_value("GRE reserved1", (int) *item.reserved__1(), 0);
+ buf[len] += (*item.reserved__1()) << 6;
+ buf[len] += (*item.K__bit()) << 5;
+ buf[len] += (*item.S__bit()) << 4;
+ Check_field_value("GRE reserved2", (int) *item.reserved__2(), 0);
+ buf[len] += (*item.reserved__2()) << 3;
+ buf[len] += *item.version();
+ len += 1;
+ Check_field_presence("checksum", *item.C__bit() == 1,
+ item.cksum().ispresent());
+ Check_field_presence("key", *item.K__bit() == 1,
+ item.key().ispresent());
+ Check_field_presence("sn", *item.S__bit() == 1,
+ item.sn().ispresent());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], item.cksum());
+ len += Set_LIN4_BO_LAST_opt(&buf[len], item.key());
+ len += Set_LIN4_BO_LAST_opt(&buf[len], item.sn());
+ break;
+ }
+ default:
+ {
+ Log_not_implemented_union_field("Item",
+ ip_item_list[num].get_selection());
+ break;
+ }
+ }
+ TTCN_logger.log(TTCN_DEBUG, "%uth item:", num);
+ Log_hexdump(&(buf[start_pos]), len - start_pos);
+ }
+ }
+ else if (item_list().get_selection() == Item__list::ALT_csrc__item__list)
+ {
+ /* Item list is CSRC item list */
+ for (int num = 0; num < item_list().csrc__item__list().size_of(); num++)
+ {
+ int start_pos = len;
+
+ len += Set_octetstring( &buf[len],
+ item_list().csrc__item__list()[num] );
+ TTCN_logger.log(TTCN_DEBUG, "%uth item:", num);
+ Log_hexdump(&(buf[start_pos]), len - start_pos);
+ }
+ }
+ else if (item_list().get_selection() == Item__list::ALT_raw__data)
+ {
+ /* Item list is a raw octetstring */
+ for (int num = 0; num < item_list().csrc__item__list().size_of(); num++)
+ {
+ int start_pos = len;
+
+ len += Set_octetstring(&buf[len], item_list().raw__data()[num] );
+ TTCN_logger.log(TTCN_DEBUG, "%uth item:", num);
+ Log_hexdump(&(buf[start_pos]), len - start_pos);
+ }
+ }
+ else
+ {
+ Log_not_implemented_union_field("Item_list", item_list().get_selection());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_XI_list_opt(unsigned char *buf, const OPTIONAL < XI__list > &xilist,
+ const OPTIONAL < BITSTRING > &padding, int length)
+{
+ int len = 0;
+ int halfbyte = 0;
+
+ Log_function_name_on_enter();
+
+ if (!xilist.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+
+ switch (xilist().get_selection())
+ {
+ case XI__list::ALT_xi__item4:
+ {
+ if (length != xilist().xi__item4().size_of())
+ TTCN_logger.log(TTCN_WARNING,
+ "Number of indices != value of CC field");
+ for (int num = 0; num < xilist().xi__item4().size_of(); num++)
+ {
+ if (halfbyte)
+ {
+ buf[len] += ((*xilist().xi__item4()[num].x__ind()) << 3) & 0x08;
+ buf[len] += xilist().xi__item4()[num].index() & 0x07;
+ len += 1;
+ }
+ else
+ {
+ buf[len] = ((*xilist().xi__item4()[num].x__ind()) << 7) & 0x80;
+ buf[len] += (xilist().xi__item4()[num].index() << 4) & 0x70;
+ }
+ halfbyte = 1 - halfbyte; // Invert the value (0 -> 1 or 1 -> 0)
+ }
+ break;
+ }
+
+ case XI__list::ALT_xi__item8:
+ {
+ if (length != xilist().xi__item8().size_of())
+ TTCN_logger.log(TTCN_WARNING,
+ "Number of indices != value of CC field");
+ for (int num = 0; num < xilist().xi__item8().size_of(); num++)
+ {
+ buf[len] = ((*xilist().xi__item8()[num].x__ind()) << 7) & 0x80;
+ buf[len] += xilist().xi__item8()[num].index() & 0x7F;
+ len += 1;
+ }
+ break;
+ }
+
+ default:
+ Log_not_implemented_union_field("XI_list", xilist().get_selection());
+ break;
+ }
+
+ if (padding.ispresent() && halfbyte == 0)
+ {
+ TTCN_logger.log(TTCN_WARNING, "Specified padding is ignored");
+ }
+ else if (!padding.ispresent() && halfbyte)
+ {
+ TTCN_logger.log(TTCN_WARNING,
+ "Padding not specified, padding bits left uninitialized");
+ }
+ else if (padding.ispresent())
+ {
+ Check_field_value("Index padding", *padding(), 0);
+ buf[len] += (*padding()) & 0x0F;
+ len += 1;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Encoding_Type_0(unsigned char *buf, const Enc__Type__0 & enct0)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_presence("gen_id", *enct0.gp__bit() == 1,
+ enct0.gen__id().ispresent());
+
+ Check_field_value("Encoding type", *enct0.et(), 0);
+ buf[len] = ((*enct0.et()) << 6) & 0xC0;
+ buf[len] += ShiftUpBit(*enct0.gp__bit(), 5);
+ buf[len] += ShiftUpBit(*enct0.ps__bit(), 4);
+ buf[len] += enct0.cc() & 0x0F;
+ len += 1;
+ len += Set_LIN1_opt(&buf[len], enct0.gen__id());
+ Check_ps_bit__xi_format(enct0.ps__bit(), enct0.xi__list());
+ len += Set_XI_list_opt(&buf[len], enct0.xi__list(), enct0.padding(),
+ enct0.cc());
+ len += Set_Item_list_opt(&buf[len], enct0.item__list());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+
+int
+Set_Encoding_Type_1(unsigned char *buf, const Enc__Type__1 & enct1)
+{
+ int len = 0;
+ int n = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_presence("gen_id", *enct1.gp__bit() == 1,
+ enct1.gen__id().ispresent());
+
+ Check_field_value("Encoding type", *enct1.et(), 1);
+ buf[len] = ((*enct1.et()) << 6) & 0xC0;
+ buf[len] += ShiftUpBit(*enct1.gp__bit(), 5);
+ buf[len] += ShiftUpBit(*enct1.ps__bit(), 4);
+ buf[len] += enct1.xi1() & 0x0F;
+ len += 1;
+ len += Set_LIN1_opt(&buf[len], enct1.gen__id());
+ len += Set_LIN1_opt(&buf[len], enct1.ref__id());
+ len += Set_octetstring(&buf[len], enct1.insbitmask());
+
+ // Count the number of 1's in the bitmask
+ for (int i = 0; i < enct1.insbitmask().lengthof(); ++i)
+ {
+ if (enct1.insbitmask() & int2oct(i + 1, enct1.insbitmask().lengthof()))
+ ++n;
+ }
+
+ Check_ps_bit__xi_format(enct1.ps__bit(), enct1.xi__list());
+ len += Set_XI_list_opt(&buf[len], enct1.xi__list(), enct1.padding(), n);
+ len += Set_Item_list_opt(&buf[len], enct1.item__list());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+
+int
+Set_Encoding_Type_2(unsigned char *buf, const Enc__Type__2 & enct2)
+{
+ int len = 0;
+
+ Check_field_presence("gen_id", *enct2.gp__bit() == 1,
+ enct2.gen__id().ispresent());
+
+ Check_field_value("Encoding type", *enct2.et(), 2);
+ buf[len] = ((*enct2.et()) << 6) & 0xC0;
+ buf[len] += ShiftUpBit(*enct2.gp__bit(), 5);
+ buf[len] += ShiftUpBit(*enct2.res(), 4);
+ buf[len] += enct2.count() & 0x0F;
+ len += 1;
+ len += Set_LIN1_opt(&buf[len], enct2.gen__id());
+ len += Set_LIN1_opt(&buf[len], enct2.ref__id());
+ len += Set_octetstring(&buf[len], enct2.rembitmask());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+
+int
+Set_Encoding_Type_3(unsigned char *buf, const Enc__Type__3 & enct3)
+{
+ int len = 0;
+ int n = 0;
+
+ Check_field_presence("gen_id", *enct3.gp__bit() == 1,
+ enct3.gen__id().ispresent());
+
+ Check_field_value("Encoding type", *enct3.et(), 3);
+ buf[len] = ((*enct3.et()) << 6) & 0xC0;
+ buf[len] += ShiftUpBit(*enct3.gp__bit(), 5);
+ buf[len] += ShiftUpBit(*enct3.ps__bit(), 4);
+ buf[len] += enct3.xi1() & 0x0F;
+ len += 1;
+ len += Set_LIN1_opt(&buf[len], enct3.gen__id());
+ len += Set_LIN1_opt(&buf[len], enct3.ref__id());
+ len += Set_octetstring(&buf[len], enct3.rembitmask());
+ len += Set_octetstring(&buf[len], enct3.insbitmask());
+
+ // Count the number of 1's in the bitmask
+ for (int i = 0; i < enct3.insbitmask().lengthof(); ++i)
+ {
+ if (enct3.insbitmask() & int2oct(i + 1, enct3.insbitmask().lengthof()))
+ ++n;
+ }
+ Check_ps_bit__xi_format(enct3.ps__bit(), enct3.xi__list());
+ len += Set_XI_list_opt(&buf[len], enct3.xi__list(), enct3.padding(), n);
+ len += Set_Item_list_opt(&buf[len], enct3.item__list());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Compr_head_list_opt(unsigned char *buf,
+ const OPTIONAL < Compr__head__list > &chl)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!chl.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ if (chl().get_selection() == Compr__head__list::ALT_enctype0)
+ len += Set_Encoding_Type_0(&buf[len], chl().enctype0());
+ else if (chl().get_selection() == Compr__head__list::ALT_enctype1)
+ len += Set_Encoding_Type_1(&buf[len], chl().enctype1());
+ else if (chl().get_selection() == Compr__head__list::ALT_enctype2)
+ len += Set_Encoding_Type_2(&buf[len], chl().enctype2());
+ else if (chl().get_selection() == Compr__head__list::ALT_enctype3)
+ len += Set_Encoding_Type_3(&buf[len], chl().enctype3());
+ else
+ {
+ Log_not_implemented_union_field("Compr_head_list", chl().get_selection());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_AEGSeqnum_opt(unsigned char *buf, const OPTIONAL < AEGSeqnum > &oseqn)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!oseqn.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ if (oseqn().get_selection() == AEGSeqnum::ALT_short__form)
+ {
+ Check_field_value("form-bit", (int) *oseqn().short__form().ind(), 0);
+ buf[len] = ShiftUpBit(*oseqn().short__form().ind(), 7);
+ buf[len] += oseqn().short__form().lsb__of__seqnum() & 0x7F;
+ len += 1;
+ }
+ else if (oseqn().get_selection() == AEGSeqnum::ALT_long__form)
+ {
+ Check_field_value("form-bit", (int) *oseqn().long__form().ind(), 1);
+ buf[len] = ShiftUpBit(*oseqn().long__form().ind(), 7);
+ buf[len] += (oseqn().long__form().lsb__of__seqnum() >> 24) & 0x7F;
+ len += 1;
+
+ buf[len] = (oseqn().long__form().lsb__of__seqnum() >> 16) & 0xFF;
+ len += 1;
+
+ buf[len] = (oseqn().long__form().lsb__of__seqnum() >> 8) & 0xFF;
+ len += 1;
+
+ buf[len] = oseqn().long__form().lsb__of__seqnum() & 0xFF;
+ len += 1;
+ }
+ else
+ Log_not_implemented_union_field("AEGSeqnum", oseqn().get_selection());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_IPv4_static_chain(unsigned char *buf, const IPv4__Static & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("IPv4 version", chain.version(), 4);
+ buf[len] = (chain.version() << 4) & 0xF0;
+ Check_field_value("IPv4 reserved (static chain)", chain.reserved(), 0);
+ buf[len] += chain.reserved() & 0x0F;
+ len += 1;
+ len += Set_LIN1(&buf[len], chain.proto());
+ len += Set_octetstring(&buf[len], chain.srcaddr());
+ len += Set_octetstring(&buf[len], chain.dstaddr());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_IPv6_static_chain(unsigned char *buf, const IPv6__Static & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("IPv6 version", chain.version(), 6);
+ buf[len] = (chain.version() << 4) & 0xF0;
+ buf[len] += (chain.flowlabel() >> 16) & 0x0F;
+ len += 1;
+
+ buf[len] = (chain.flowlabel() >> 8) & 0xFF;
+ len += 1;
+ buf[len] = chain.flowlabel() & 0xFF;
+ len += 1;
+
+ len += Set_LIN1(&buf[len], chain.nexthead());
+ len += Set_octetstring(&buf[len], chain.srcaddr());
+ len += Set_octetstring(&buf[len], chain.dstaddr());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_UDP_static_chain(unsigned char *buf, const UDP__Static & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Set_LIN2_BO_LAST(&buf[len], chain.srcport());
+ len += Set_LIN2_BO_LAST(&buf[len], chain.dstport());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_RTP_static_chain(unsigned char *buf, const RTP__Static & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Set_octetstring(&buf[len], chain.ssrc());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_RTP_dynamic_chain(unsigned char *buf, const RTP__Dynamic & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("RTP version", chain.vfield(), 2);
+ buf[len] = (chain.vfield() << 6) & 0xC0;
+ buf[len] += ShiftUpBit(*chain.pbit(), 5);
+ buf[len] += ShiftUpBit(*chain.rxbit(), 4);
+ buf[len] += chain.ccfield() & 0x0F;
+ len += 1;
+ buf[len] = ShiftUpBit(*chain.mbit(), 7);
+ buf[len] += chain.ptfield() & 0x7F;
+ len += 1;
+ len += Set_LIN2_BO_LAST(&buf[len], chain.rtpseqnum());
+ len += Set_LIN4_BO_LAST(&buf[len], chain.rtpts());
+ len += Set_Encoding_Type_0(&buf[len], chain.gencsrclist());
+ Check_field_presence("RTP rx", *chain.rxbit() == 1,
+ chain.rx__field().ispresent());
+ if (chain.rx__field().ispresent())
+ {
+ Check_field_value("RX reserved", (int) *chain.rx__field()().reserved(), 0);
+ buf[len] = ((*chain.rx__field()().reserved()) << 5) & 0xE0;
+ buf[len] += ShiftUpBit(*chain.rx__field()().xbit(), 4);
+ buf[len] += (chain.rx__field()().mode() << 2) & 0x0C;
+ buf[len] += ShiftUpBit(*chain.rx__field()().tisbit(), 1);
+ buf[len] += ShiftUpBit(*chain.rx__field()().tssbit(), 0);
+ len += 1;
+ }
+ Check_field_presence("TS Stride",
+ chain.rx__field().ispresent() &&
+ (*chain.rx__field()().tssbit()) == 1,
+ chain.ts__stride().ispresent());
+ Check_field_presence("TIME Stride",
+ chain.rx__field().ispresent() &&
+ (*chain.rx__field()().tisbit()) == 1,
+ chain.time__stride().ispresent());
+ len += Set_SDVL_field_opt(&buf[len], chain.ts__stride(), 0);
+ len += Set_SDVL_field_opt(&buf[len], chain.time__stride(), 0);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_RTP_flags_fields_opt(unsigned char *buf,
+ const OPTIONAL < RTP__flags__fields > &field)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!field.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ buf[len] = (field().mode() << 6) & 0xC0;
+ buf[len] += ShiftUpBit(*field().r__pt(), 5);
+ buf[len] += ShiftUpBit(*field().m__bit(), 4);
+ buf[len] += ShiftUpBit(*field().r__x(), 3);
+ buf[len] += ShiftUpBit(*field().csrc(), 2);
+ buf[len] += ShiftUpBit(*field().tss(), 1);
+ buf[len] += ShiftUpBit(*field().tis(), 0);
+ len += 1;
+
+ Check_field_presence("RTP flags",
+ *field().r__pt() == 1, field().flags().ispresent());
+ if (field().flags().ispresent())
+ {
+ buf[len] = (((*field().flags()().r__p()) << 7) & 0x80) +
+ (field().flags()().rtp__pt() & 0x7F);
+ len += 1;
+ }
+ Check_field_presence("Compressed CSRC list",
+ *field().csrc() == 1, field().csrc__list().ispresent());
+ len += Set_Compr_head_list_opt(&buf[len], field().csrc__list());
+ Check_field_presence("TS_STRIDE",
+ *field().tss() == 1, field().ts__stride().ispresent());
+ len += Set_SDVL_field_opt(&buf[len], field().ts__stride(), 0);
+ Check_field_presence("TIME_STRIDE",
+ *field().tis() == 1,
+ field().time__stride().ispresent());
+ len += Set_SDVL_field_opt(&buf[len], field().time__stride(), 0);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_IPv4_dynamic_chain(unsigned char *buf, const IPv4__Dynamic & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Set_LIN1(&buf[len], chain.tos());
+ len += Set_LIN1(&buf[len], chain.ttl());
+ len += Set_LIN2_BO_LAST(&buf[len], chain.identification());
+
+ buf[len] = ShiftUpBit(*chain.df__bit(), 7);
+ buf[len] += ShiftUpBit(*chain.rnd__bit(), 6);
+ buf[len] += ShiftUpBit(*chain.nbo__bit(), 5);
+ Check_field_value("IPv4 reserved (dynamic chain)", *chain.reserved(), 0);
+ buf[len] += (*chain.reserved()) & 0x1F;
+ len += 1;
+ len += Set_Encoding_Type_0(&buf[len], chain.genextheadlist());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_IPv6_dynamic_chain(unsigned char *buf, const IPv6__Dynamic & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Set_LIN1(&buf[len], chain.trafficclass());
+ len += Set_LIN1(&buf[len], chain.hoplimit());
+ len += Set_Encoding_Type_0(&buf[len], chain.genextheadlist());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+/* ============ Encoding functions for ROHC types ============ */
+int
+Set_feedback(unsigned char *buf, const Feedback__u & feedback,
+ BOOLEAN const &large_cid)
+{
+ int len = 0, crcpos = 0, crcstart = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("feedback type", (int) *feedback.feedback__type(), 30);
+ Check_feedback_code__size(feedback.code(), feedback.size());
+ buf[len] = ((*feedback.feedback__type()) << 3) & 0xF8;
+ buf[len] += feedback.code() & 0x07;
+ len += 1;
+
+ len += Set_LIN1_opt(&buf[len], feedback.size());
+
+ crcstart = len;
+
+ len += Set_CID(&buf[len], feedback.feedback__data().cid(), large_cid);
+
+ switch (feedback.feedback__data().feedback__type().get_selection())
+ {
+ case Feedback__type::ALT_feedback1:
+ {
+ Feedback1 fback1 =
+ feedback.feedback__data().feedback__type().feedback1();
+
+ len += Set_octetstring(&buf[len], fback1);
+ break;
+ }
+
+ case Feedback__type::ALT_feedback2:
+ {
+ Feedback2 fback2 =
+ feedback.feedback__data().feedback__type().feedback2();
+
+ buf[len] = (fback2.acktype() << 6) & 0xC0;
+ buf[len] += (fback2.mode() << 4) & 0x30;
+ buf[len] += (fback2.sn() >> 8) & 0x0F;
+ len += 1;
+
+ buf[len] = fback2.sn() & 0xFF;
+ len += 1;
+
+ if (fback2.feedback__opts().ispresent())
+ {
+ Feedback__opts & fbopts = fback2.feedback__opts();
+
+ for (int num = 0; num < fbopts.size_of(); num++)
+ {
+ buf[len] = (fbopts[num].opt__type() << 4) & 0xF0;
+ Check_feedback_optlen__optsize(fbopts[num].opt__len(),
+ fbopts[num].opt__data());
+ buf[len] += fbopts[num].opt__len() & 0x0F;
+ len += 1;
+
+ len += Set_octetstring_opt(&buf[len], fbopts[num].opt__data());
+ if (fbopts[num].opt__data().ispresent())
+ {
+ if ((fbopts[num].opt__len() == 1)
+ && (fbopts[num].opt__type() == 1) && (buf[len - 1] == 0))
+ crcpos = len - 1;
+ }
+ }
+ }
+ break;
+ }
+
+ default:
+ break;
+ }
+
+ if (feedback.size().ispresent() && feedback.size() == 0)
+ {
+ buf[1] = (len - 2) & 0xFF;
+ }
+ if ((!feedback.size().ispresent()) && feedback.code() == 0)
+ {
+ buf[0] = (buf[0] & 0xF8) + ((len - 1) & 0x07);
+ }
+
+ if ((crcpos > crcstart) && (buf[crcpos] == 0))
+ buf[crcpos] = ComputeCRC(&(buf[crcstart]), len - crcstart, 8);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_ROHC_Feedback_opt(unsigned char *buf,
+ const OPTIONAL < Feedback > &feedback,
+ BOOLEAN const &large_cid)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!feedback.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ for (int num = 0; num < feedback().size_of(); num++)
+ {
+ len += Set_feedback(&buf[len], feedback()[num], large_cid);
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+ return len;
+}
+
+/* Inserts CID infomation into the buffer by moving memory areas */
+int
+Set_CID_for_packets(unsigned char *buf, ROHC__config const &config,
+ int cid, int buflen)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (config.large__cid() == false)
+ { /* Small CID: first octet is the CID */
+ if (cid > 0)
+ {
+ // Overlapping memory areas, use memmove
+ memmove(&(buf[1]), &(buf[0]), buflen);
+ buf[0] = 0xE0 + (cid & 0x0F);
+ len += 1;
+ }
+ }
+ else
+ { /* Large CID: CID is placed after the first octet */
+ int cidlen = SDVL_encoded_CID_length(cid);
+
+ // Overlapping memory areas, use memmove
+ memmove(&(buf[1 + cidlen]), &(buf[1]), buflen - 1);
+ len += Set_SDVL_field(&(buf[1]), cid, 0);
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_ROHC_Header_Profile0(unsigned char *buf,
+ const Profile0__headers & hdr,
+ ROHC__config const &config)
+{
+ int len = 0, crcpos = 0, cidlen, cid;
+
+ Log_function_name_on_enter();
+
+ switch (hdr.get_selection())
+ {
+ case Profile0__headers::ALT_ir:
+ {
+ cid = hdr.ir().cid();
+ Check_field_value("packet type", (int) *hdr.ir().type__ind(), 126);
+ buf[len] = ((*hdr.ir().type__ind()) << 1) & 0xFE;
+ buf[len] += (*hdr.ir().d()) & 0x01;
+ len += 1;
+ Check_field_value("profile", hdr.ir().profile(), 0);
+ len += Set_LIN1(&buf[len], hdr.ir().profile());
+ crcpos = len;
+ len += Set_LIN1(&buf[len], hdr.ir().crc());
+ len += Set_octetstring(&buf[len], hdr.ir().orig__packet());
+ break;
+ }
+
+ case Profile0__headers::ALT_normal:
+ {
+ cid = hdr.normal().cid();
+ len += Set_octetstring(&buf[len], hdr.normal().orig__packet());
+ break;
+ }
+
+ default:
+ Log_not_implemented_union_field("Profile0_headers", hdr.get_selection());
+ break;
+ }
+
+ cidlen = Set_CID_for_packets(buf, config, cid, len);
+ crcpos += cidlen;
+ len += cidlen;
+
+ if (hdr.get_selection() == Profile0__headers::ALT_ir && hdr.ir().crc() == 0)
+ {
+ buf[crcpos] = ComputeCRC(&(buf[0]), crcpos, 8);
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+ return len;
+}
+
+int
+Set_Static_Chain_Profile1(unsigned char *buf, const Static__Chain & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ for (int num = 0; num < chain.size_of(); num++)
+ {
+ switch (chain[num].get_selection())
+ {
+ case Static__Chain__u::ALT_ipv4__stat:
+ len += Set_IPv4_static_chain(&buf[len], chain[num].ipv4__stat());
+ break;
+ case Static__Chain__u::ALT_ipv6__stat:
+ len += Set_IPv6_static_chain(&buf[len], chain[num].ipv6__stat());
+ break;
+ case Static__Chain__u::ALT_udp__stat:
+ len += Set_UDP_static_chain(&buf[len], chain[num].udp__stat());
+ break;
+ case Static__Chain__u::ALT_rtp__stat:
+ len += Set_RTP_static_chain(&buf[len], chain[num].rtp__stat());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Static_Chain_u", chain[num].get_selection());
+ break;
+ }
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Dynamic_Chain_Profile1(unsigned char *buf, const Dynamic__Chain & dynch)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ for (int num = 0; num < dynch.size_of(); num++)
+ {
+ switch (dynch[num].get_selection())
+ {
+ case Dynamic__Chain__u::ALT_ipv4__dyn:
+ len += Set_IPv4_dynamic_chain(&buf[len], dynch[num].ipv4__dyn());
+ break;
+ case Dynamic__Chain__u::ALT_ipv6__dyn:
+ len += Set_IPv6_dynamic_chain(&buf[len], dynch[num].ipv6__dyn());
+ break;
+ case Dynamic__Chain__u::ALT_udp__dyn:
+ len += Set_LIN2_BO_LAST(&buf[len], dynch[num].udp__dyn().cksum());
+ break;
+ case Dynamic__Chain__u::ALT_rtp__dyn:
+ len += Set_RTP_dynamic_chain(&buf[len], dynch[num].rtp__dyn());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Dynamic_Chain_u", dynch[num].get_selection());
+ break;
+ }
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_ir(unsigned char *buf,
+ const Profile1__IR__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 126);
+ buf[len] = ((*hdr.type__ind()) << 1) & 0xFE;
+ Check_field_presence("dynamic chain", *hdr.d() == 1,
+ hdr.dyn__chain().ispresent());
+ buf[len] += ShiftUpBit(*hdr.d(), 0);
+ len += 1;
+ Check_field_value("profile", hdr.profile(), 1);
+ len += Set_LIN1(&buf[len], hdr.profile());
+ len += Set_LIN1(&buf[len], hdr.crc());
+ len += Set_Static_Chain_Profile1(&buf[len], hdr.stat__chain());
+ if (hdr.dyn__chain().ispresent())
+ len += Set_Dynamic_Chain_Profile1(&buf[len], hdr.dyn__chain());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_irdyn(unsigned char *buf,
+ const Profile1__IR__DYN__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 248);
+ buf[len] = *hdr.type__ind();
+ len += 1;
+ Check_field_value("profile", hdr.profile(), 1);
+ len += Set_LIN1(&buf[len], hdr.profile());
+ len += Set_LIN1(&buf[len], hdr.crc());
+ len += Set_Dynamic_Chain_Profile1(&buf[len], hdr.dyn__chain());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_r0(unsigned char *buf,
+ const Profile1__R__0__header & hdr)
+{
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 0);
+ buf[0] = ((*hdr.type__ind()) << 6) & 0xC0;
+ buf[0] += hdr.sn() & 0x3F;
+
+ Log_hexdump(buf, 1);
+ Log_function_name_on_leave();
+
+ return 1;
+}
+
+int
+Set_Profile1_ROHC_Header_r0crc(unsigned char *buf,
+ const Profile1__R__0__CRC__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 1);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ buf[len] += (hdr.sn() >> 1) & 0x3F;
+ len += 1;
+ buf[len] = (hdr.sn() << 7) & 0x80;
+ buf[len] += hdr.crc() & 0x7F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_uo0(unsigned char *buf,
+ const Profile1__UO__0__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 0);
+ buf[len] = ((*hdr.type__ind()) << 7) & 0x80;
+ buf[len] += (hdr.sn() << 3) & 0x78;
+ buf[len] += hdr.crc() & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_r1(unsigned char *buf,
+ const Profile1__R__1__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 2);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ buf[len] += hdr.sn() & 0x3F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.m__bit(), 7);
+ buf[len] += ShiftUpBit(*hdr.x__bit(), 6);
+ buf[len] += hdr.ts() & 0x3F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_r1id(unsigned char *buf,
+ const Profile1__R__1__ID__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 2);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ buf[len] += hdr.sn() & 0x3F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.m__bit(), 7);
+ buf[len] += ShiftUpBit(*hdr.x__bit(), 6);
+ Check_field_value("T-bit", (int) *hdr.t__bit(), 0);
+ buf[len] += ShiftUpBit(*hdr.t__bit(), 5);
+ buf[len] += hdr.ip__id() & 0x1F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_r1ts(unsigned char *buf,
+ const Profile1__R__1__TS__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 2);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ buf[len] += hdr.sn() & 0x3F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.m__bit(), 7);
+ buf[len] += ShiftUpBit(*hdr.x__bit(), 6);
+ Check_field_value("T-bit", (int) *hdr.t__bit(), 1);
+ buf[len] += ShiftUpBit(*hdr.t__bit(), 5);
+ buf[len] += hdr.ts() & 0x1F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_uo1(unsigned char *buf,
+ const Profile1__UO__1__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 2);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ buf[len] += hdr.ts() & 0x3F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.m__bit(), 7);
+ buf[len] += (hdr.sn() << 3) & 0x78;
+ buf[len] += hdr.crc() & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_uo1id(unsigned char *buf,
+ const Profile1__UO__1__ID__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 2);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ Check_field_value("T-bit", (int) *hdr.t__bit(), 0);
+ buf[len] += ShiftUpBit(*hdr.t__bit(), 5);
+ buf[len] += hdr.ip__id() & 0x1F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.x__bit(), 7);
+ buf[len] += (hdr.sn() << 3) & 0x78;
+ buf[len] += hdr.crc() & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_uo1ts(unsigned char *buf,
+ const Profile1__UO__1__TS__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 2);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ Check_field_value("T-bit", (int) *hdr.t__bit(), 1);
+ buf[len] += ShiftUpBit(*hdr.t__bit(), 5);
+ buf[len] += hdr.ts() & 0x1F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.m__bit(), 7);
+ buf[len] += (hdr.sn() << 3) & 0x78;
+ buf[len] += hdr.crc() & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_uor2(unsigned char *buf,
+ const Profile1__UOR__2__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 6);
+ buf[len] = ((*hdr.type__ind()) << 5) & 0xE0;
+ buf[len] += (hdr.ts() >> 1) & 0x1F;
+ len += 1;
+ buf[len] = (hdr.ts() << 7) & 0x80;
+ buf[len] += ShiftUpBit(*hdr.m__bit(), 6);
+ buf[len] += hdr.sn() & 0x3F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.x__bit(), 7);
+ buf[len] += hdr.crc() & 0x7F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_uor2id(unsigned char *buf,
+ const Profile1__UOR__2__ID__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 6);
+ buf[len] = ((*hdr.type__ind()) << 5) & 0xE0;
+ buf[len] += hdr.ip__id() & 0x1F;
+ len += 1;
+ Check_field_value("T-bit", (int) *hdr.t__bit(), 0);
+ buf[len] = ShiftUpBit(*hdr.t__bit(), 7);
+ buf[len] += ShiftUpBit(*hdr.m__bit(), 6);
+ buf[len] += hdr.sn() & 0x3F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.x__bit(), 7);
+ buf[len] += hdr.crc() & 0x7F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_uor2ts(unsigned char *buf,
+ const Profile1__UOR__2__TS__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 6);
+ Log_hexdump(buf, len);
+ buf[len] = ((*hdr.type__ind()) << 5) & 0xE0;
+ buf[len] += hdr.ts() & 0x1F;
+ len += 1;
+ Check_field_value("T-bit", (int) *hdr.t__bit(), 1);
+ buf[len] = ShiftUpBit(*hdr.t__bit(), 7);
+ buf[len] += ShiftUpBit(*hdr.m__bit(), 6);
+ buf[len] += hdr.sn() & 0x3F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.x__bit(), 7);
+ buf[len] += hdr.crc() & 0x7F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_Inner_IP_flags_opt(unsigned char *buf,
+ const OPTIONAL < Inner__IP__flags > &field)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!field.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ buf[len] = ShiftUpBit(*field().tos(), 7);
+ buf[len] += ShiftUpBit(*field().ttl(), 6);
+ buf[len] += ShiftUpBit(*field().df(), 5);
+ buf[len] += ShiftUpBit(*field().pr(), 4);
+ buf[len] += ShiftUpBit(*field().ipx(), 3);
+ buf[len] += ShiftUpBit(*field().nbo(), 2);
+ buf[len] += ShiftUpBit(*field().rnd__bit(), 1);
+ buf[len] += ShiftUpBit(*field().ip2__bit(), 0);
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_Outer_IP_flags_opt(unsigned char *buf,
+ const OPTIONAL < Outer__IP__flags > &field)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!field.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ buf[len] = ShiftUpBit(*field().tos2(), 7);
+ buf[len] += ShiftUpBit(*field().ttl2(), 6);
+ buf[len] += ShiftUpBit(*field().df2(), 5);
+ buf[len] += ShiftUpBit(*field().pr2(), 4);
+ buf[len] += ShiftUpBit(*field().ipx2(), 3);
+ buf[len] += ShiftUpBit(*field().nbo2(), 2);
+ buf[len] += ShiftUpBit(*field().rnd2(), 1);
+ buf[len] += ShiftUpBit(*field().i2__bit(), 0);
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ipx_headers_opt(unsigned char *buf,
+ const OPTIONAL < IP__Ext__heads > &field)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!field.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ buf[len] = ShiftUpBit(*field().cl(), 7);
+ buf[len] += ShiftUpBit(*field().aseq(), 6);
+ buf[len] += ShiftUpBit(*field().eseq(), 5);
+ buf[len] += ShiftUpBit(*field().gseq(), 4);
+ buf[len] += (*field().res()) & 0x0F;
+ len += 1;
+
+ Check_field_presence("AH SN", *field().aseq() == 1,
+ field().ah__seq().ispresent());
+ Check_field_presence("ESP SN", *field().eseq() == 1,
+ field().esp__seq().ispresent());
+ Check_field_presence("GRE SN", *field().gseq() == 1,
+ field().gre__seq().ispresent());
+ Check_field_presence("Compressed header list", *field().cl() == 1,
+ field().compr__head__list().ispresent());
+ len += Set_AEGSeqnum_opt(&buf[len], field().ah__seq());
+ len += Set_AEGSeqnum_opt(&buf[len], field().esp__seq());
+ len += Set_AEGSeqnum_opt(&buf[len], field().gre__seq());
+ len += Set_Compr_head_list_opt(&buf[len], field().compr__head__list());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_Inner_IP_fields_opt(unsigned char *buf,
+ const OPTIONAL < Inner__IP__flags > &flags,
+ const OPTIONAL < Inner__IP__fields > &field)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!field.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ Check_field_presence("TOS (inner IP)",
+ flags.ispresent() && (*flags().tos() == 1),
+ field().tos().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().tos());
+ Check_field_presence("TTL (inner IP)",
+ flags.ispresent() && (*flags().ttl() == 1),
+ field().ttl().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().ttl());
+ Check_field_presence("PROTO (inner IP)",
+ flags.ispresent() && (*flags().pr() == 1),
+ field().proto().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().proto());
+
+ Check_field_presence("IP extension headers (inner IP)",
+ flags.ispresent() && (*flags().ipx() == 1),
+ field().ext__heads().ispresent());
+ len += Set_Profile1_ipx_headers_opt(&buf[len], field().ext__heads());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_Outer_IP_fields_opt(unsigned char *buf,
+ const OPTIONAL < Outer__IP__flags > &flags,
+ const OPTIONAL < Outer__IP__fields > &field)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!field.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ Check_field_presence("TOS (outer IP)",
+ flags.ispresent() && (*flags().tos2() == 1),
+ field().tos().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().tos());
+ Check_field_presence("TTL (outer IP)",
+ flags.ispresent() && (*flags().ttl2() == 1),
+ field().ttl().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().ttl());
+ Check_field_presence("PROTO (outer IP)",
+ flags.ispresent() && (*flags().pr2() == 1),
+ field().proto().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().proto());
+
+ Check_field_presence("IP extension headers (outer IP)",
+ flags.ispresent() && (*flags().ipx2() == 1),
+ field().ext__heads().ispresent());
+ len += Set_Profile1_ipx_headers_opt(&buf[len], field().ext__heads());
+ Check_field_presence("IP-ID (outer IP)",
+ flags.ispresent() && (*flags().i2__bit() == 1),
+ field().ip__id().ispresent());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], field().ip__id());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_Extension0(unsigned char *buf, const Extension0 & ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("extension type", (int) *ext.ext__type(), 0);
+ buf[len] = ((*ext.ext__type()) << 6) & 0xC0;
+ buf[len] += (ext.sn() << 3) & 0x38;
+ buf[len] += ext.plust() & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_Extension1(unsigned char *buf, const Extension1 & ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("extension type", (int) *ext.ext__type(), 1);
+ buf[len] = ((*ext.ext__type()) << 6) & 0xC0;
+ buf[len] += (ext.sn() << 3) & 0x38;
+ buf[len] += ext.plust() & 0x07;
+ len += 1;
+ len += Set_LIN1(&buf[len], ext.minust());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_Extension2(unsigned char *buf, const Extension2 & ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("extension type", (int) *ext.ext__type(), 2);
+ buf[len] = ((*ext.ext__type()) << 6) & 0xC0;
+ buf[len] += (ext.sn() << 3) & 0x38;
+ buf[len] += (ext.plust() >> 8) & 0x07;
+ len += 1;
+ buf[len] = ext.plust() & 0xFF;
+ len += 1;
+ len += Set_LIN1(&buf[len], ext.minust());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_Extension3(unsigned char *buf, const Extension3 & ext)
+{
+ int len = 0;
+ int ts_length = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("extension type", (int) *ext.ext__type(), 3);
+ buf[len] = ((*ext.ext__type()) << 6) & 0xC0;
+ buf[len] += ShiftUpBit(*ext.s__bit(), 5);
+ buf[len] += ShiftUpBit(*ext.r__ts__bit(), 4);
+ buf[len] += ShiftUpBit(*ext.tsc__bit(), 3);
+ buf[len] += ShiftUpBit(*ext.i__bit(), 2);
+ buf[len] += ShiftUpBit(*ext.ip__bit(), 1);
+ buf[len] += ShiftUpBit(*ext.rtp__bit(), 0);
+ len += 1;
+
+ Check_field_presence("Inner IP flags",
+ *ext.ip__bit() == 1,
+ ext.inner__ip__flags().ispresent());
+ len += Set_Profile1_Inner_IP_flags_opt(&buf[len], ext.inner__ip__flags());
+ Check_field_presence("Outer IP flags",
+ ext.inner__ip__flags().ispresent() &&
+ (*ext.inner__ip__flags()().ip2__bit() == 1),
+ ext.outer__ip__flags().ispresent());
+ len += Set_Profile1_Outer_IP_flags_opt(&buf[len], ext.outer__ip__flags());
+ Check_field_presence("SN", *ext.s__bit() == 1, ext.sn().ispresent());
+ len += Set_LIN1_opt(&buf[len], ext.sn());
+ Check_field_presence("RTP TS", *ext.r__ts__bit() == 1, ext.ts().ispresent());
+ if (ext.ts__length().ispresent()) ts_length = ext.ts__length()();
+ len += Set_SDVL_field_opt(&buf[len], ext.ts(), ts_length);
+ Check_field_presence("Inner IP fields",
+ *ext.ip__bit() == 1, ext.inner__ip__hdr().ispresent());
+ len += Set_Profile1_Inner_IP_fields_opt(&buf[len], ext.inner__ip__flags(),
+ ext.inner__ip__hdr());
+ Check_field_presence("Inner IP-ID",
+ *ext.i__bit() == 1, ext.ip__id().ispresent());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], ext.ip__id());
+ Check_field_presence("Outer IP fields",
+ ext.inner__ip__flags().ispresent() &&
+ (*ext.inner__ip__flags()().ip2__bit() == 1),
+ ext.outer__ip__hdr().ispresent());
+ len += Set_Profile1_Outer_IP_fields_opt(&buf[len], ext.outer__ip__flags(),
+ ext.outer__ip__hdr());
+ Check_field_presence("RTP flags and fields",
+ *ext.rtp__bit() == 1, ext.rtp__fl__fi().ispresent());
+ len += Set_RTP_flags_fields_opt(&buf[len], ext.rtp__fl__fi());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_Extension_opt(unsigned char *buf,
+ const OPTIONAL < Profile1__Extension >
+ &ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (ext.ispresent())
+ {
+ if (ext().get_selection() == Profile1__Extension::ALT_ext0)
+ {
+ len += Set_Profile1_ROHC_Header_Extension0(&buf[len], ext().ext0());
+ }
+ else if (ext().get_selection() == Profile1__Extension::ALT_ext1)
+ {
+ len += Set_Profile1_ROHC_Header_Extension1(&buf[len], ext().ext1());
+ }
+ else if (ext().get_selection() == Profile1__Extension::ALT_ext2)
+ {
+ len += Set_Profile1_ROHC_Header_Extension2(&buf[len], ext().ext2());
+ }
+ else if (ext().get_selection() == Profile1__Extension::ALT_ext3)
+ {
+ len += Set_Profile1_ROHC_Header_Extension3(&buf[len], ext().ext3());
+ }
+ else
+ {
+ Log_not_implemented_union_field("Profile1_Extension",
+ ext().get_selection());
+ }
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header_ipid_ah_gre(unsigned char *buf,
+ const Profile1__headers & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.ip__id__outer());
+ len += Set_octetstring_opt(&buf[len], hdr.ah__outer());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.gre__cksum1());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.ip__id__inner());
+ len += Set_octetstring_opt(&buf[len], hdr.ah__inner());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.gre__cksum2());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile1_ROHC_Header(unsigned char *buf,
+ const Profile1__headers & hdr,
+ ROHC__config const &config)
+{
+ int len = 0, crcpos = 0, cidlen = 0, cid;
+
+ Log_function_name_on_enter();
+
+ switch (hdr.base__header().get_selection())
+ {
+ case Profile1__base__header::ALT_ir:
+ cid = hdr.base__header().ir().cid();
+ crcpos = len + 2;
+ len += Set_Profile1_ROHC_Header_ir(&buf[len], hdr.base__header().ir());
+ break;
+ case Profile1__base__header::ALT_ir__dyn:
+ cid = hdr.base__header().ir__dyn().cid();
+ crcpos = len + 2;
+ len += Set_Profile1_ROHC_Header_irdyn(&buf[len],
+ hdr.base__header().ir__dyn());
+ break;
+ case Profile1__base__header::ALT_r__0:
+ cid = hdr.base__header().r__0().cid();
+ len += Set_Profile1_ROHC_Header_r0(&buf[len], hdr.base__header().r__0());
+ break;
+ case Profile1__base__header::ALT_r__0__crc:
+ cid = hdr.base__header().r__0__crc().cid();
+ len += Set_Profile1_ROHC_Header_r0crc(&buf[len],
+ hdr.base__header().r__0__crc());
+ break;
+ case Profile1__base__header::ALT_uo__0:
+ cid = hdr.base__header().uo__0().cid();
+ len += Set_Profile1_ROHC_Header_uo0(&buf[len], hdr.base__header().uo__0());
+ break;
+ case Profile1__base__header::ALT_r__1:
+ cid = hdr.base__header().r__1().cid();
+ len += Set_Profile1_ROHC_Header_r1(&buf[len], hdr.base__header().r__1());
+ break;
+ case Profile1__base__header::ALT_r__1__id:
+ cid = hdr.base__header().r__1__id().cid();
+ len +=
+ Set_Profile1_ROHC_Header_r1id(&buf[len], hdr.base__header().r__1__id());
+ break;
+ case Profile1__base__header::ALT_r__1__ts:
+ cid = hdr.base__header().r__1__ts().cid();
+ len +=
+ Set_Profile1_ROHC_Header_r1ts(&buf[len], hdr.base__header().r__1__ts());
+ break;
+ case Profile1__base__header::ALT_uo__1:
+ cid = hdr.base__header().uo__1().cid();
+ len += Set_Profile1_ROHC_Header_uo1(&buf[len], hdr.base__header().uo__1());
+ break;
+ case Profile1__base__header::ALT_uo__1__id:
+ cid = hdr.base__header().uo__1__id().cid();
+ len +=
+ Set_Profile1_ROHC_Header_uo1id(&buf[len],
+ hdr.base__header().uo__1__id());
+ break;
+ case Profile1__base__header::ALT_uo__1__ts:
+ cid = hdr.base__header().uo__1__ts().cid();
+ len +=
+ Set_Profile1_ROHC_Header_uo1ts(&buf[len],
+ hdr.base__header().uo__1__ts());
+ break;
+ case Profile1__base__header::ALT_uor__2:
+ cid = hdr.base__header().uor__2().cid();
+ len +=
+ Set_Profile1_ROHC_Header_uor2(&buf[len], hdr.base__header().uor__2());
+ break;
+ case Profile1__base__header::ALT_uor__2__id:
+ cid = hdr.base__header().uor__2__id().cid();
+ len +=
+ Set_Profile1_ROHC_Header_uor2id(&buf[len],
+ hdr.base__header().uor__2__id());
+ break;
+ case Profile1__base__header::ALT_uor__2__ts:
+ cid = hdr.base__header().uor__2__ts().cid();
+ len +=
+ Set_Profile1_ROHC_Header_uor2ts(&buf[len],
+ hdr.base__header().uor__2__ts());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Profile1_base_header", hdr.base__header().get_selection());
+ break;
+ }
+
+ len += Set_Profile1_ROHC_Header_Extension_opt(&buf[len], hdr.ext());
+ len += Set_Profile1_ROHC_Header_ipid_ah_gre(&buf[len], hdr);
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.udp__cksum());
+
+ cidlen = Set_CID_for_packets(buf, config, cid, len);
+ crcpos += cidlen;
+ len += cidlen;
+
+ if (hdr.base__header().get_selection() == Profile1__base__header::ALT_ir
+ && hdr.base__header().ir().crc() == 0)
+ buf[crcpos] = ComputeCRC(&(buf[0]), len, 8);
+ else if (hdr.base__header().get_selection() ==
+ Profile1__base__header::ALT_ir__dyn
+ && hdr.base__header().ir__dyn().crc() == 0)
+ buf[crcpos] = ComputeCRC(&(buf[0]), len, 8);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_Static_Chain(unsigned char
+ *buf, const Profile2__Static__Chain & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ for (int num = 0; num < chain.size_of(); num++)
+ {
+ switch (chain[num].get_selection())
+ {
+ case Static__Chain__u::ALT_ipv4__stat:
+ len += Set_IPv4_static_chain(&buf[len], chain[num].ipv4__stat());
+ break;
+ case Static__Chain__u::ALT_ipv6__stat:
+ len += Set_IPv6_static_chain(&buf[len], chain[num].ipv6__stat());
+ break;
+ case Static__Chain__u::ALT_udp__stat:
+ len += Set_UDP_static_chain(&buf[len], chain[num].udp__stat());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Profile2_Static_Chain", chain[num].get_selection());
+ break;
+ }
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_Dynamic_Chain(unsigned char
+ *buf, const Profile2__Dynamic__Chain & dynch)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ for (int num = 0; num < dynch.size_of(); num++)
+ {
+ switch (dynch[num].get_selection())
+ {
+ case Profile2__Dynamic__Chain__u::ALT_ipv4__dyn:
+ len += Set_IPv4_dynamic_chain(&buf[len], dynch[num].ipv4__dyn());
+ break;
+ case Profile2__Dynamic__Chain__u::ALT_ipv6__dyn:
+ len += Set_IPv6_dynamic_chain(&buf[len], dynch[num].ipv6__dyn());
+ break;
+ case Profile2__Dynamic__Chain__u::ALT_udp__dyn:
+ len += Set_LIN2_BO_LAST(&buf[len], dynch[num].udp__dyn().cksum());
+ len += Set_LIN2_BO_LAST(&buf[len], dynch[num].udp__dyn().udp__sn());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Profile2_Dynamic_Chain", dynch[num].get_selection());
+ break;
+ }
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_ir(unsigned char
+ *buf, const Profile2__IR__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 126);
+ buf[len] = ((*hdr.type__ind()) << 1) & 0xFE;
+ Check_field_presence("dynamic chain", *hdr.d() == 1,
+ hdr.dyn__chain().ispresent());
+ buf[len] += ShiftUpBit(*hdr.d(), 0);
+ len += 1;
+ Check_field_value("profile", hdr.profile(), 2);
+ len += Set_LIN1(&buf[len], hdr.profile());
+ len += Set_LIN1(&buf[len], hdr.crc());
+ len += Set_Profile2_Static_Chain(&buf[len], hdr.stat__chain());
+ if (hdr.dyn__chain().ispresent())
+ len += Set_Profile2_Dynamic_Chain(&buf[len], hdr.dyn__chain());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_irdyn(unsigned
+ char *buf,
+ const Profile2__IR__DYN__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 248);
+ buf[len] = *hdr.type__ind();
+ len += 1;
+ Check_field_value("profile", hdr.profile(), 2);
+ len += Set_LIN1(&buf[len], hdr.profile());
+ len += Set_LIN1(&buf[len], hdr.crc());
+ len += Set_Profile2_Dynamic_Chain(&buf[len], hdr.dyn__chain());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_r1(unsigned char
+ *buf, const Profile2__R__1__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 2);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ buf[len] += hdr.sn() & 0x3F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.x__bit(), 7);
+ buf[len] += hdr.ip__id() & 0x7F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_uo1(unsigned char
+ *buf, const Profile2__UO__1__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 2);
+ buf[len] = ((*hdr.type__ind()) << 6) & 0xC0;
+ buf[len] += hdr.ip__id() & 0x3F;
+ len += 1;
+ buf[len] = (hdr.sn() << 3) & 0xF8;
+ buf[len] += hdr.crc() & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_uor2(unsigned char *buf,
+ const Profile2__UOR__2__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 6);
+ buf[len] = ((*hdr.type__ind()) << 5) & 0xE0;
+ buf[len] += hdr.sn() & 0x1F;
+ len += 1;
+ buf[len] = ShiftUpBit(*hdr.x__bit(), 7);
+ buf[len] += hdr.crc() & 0x7F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_Inner_IP_flags_opt(unsigned char *buf,
+ const OPTIONAL < Profile2__Inner__IP__flags >
+ &field)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!field.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ buf[len] = ShiftUpBit(*field().tos(), 7);
+ buf[len] += ShiftUpBit(*field().ttl(), 6);
+ buf[len] += ShiftUpBit(*field().df(), 5);
+ buf[len] += ShiftUpBit(*field().pr(), 4);
+ buf[len] += ShiftUpBit(*field().ipx(), 3);
+ buf[len] += ShiftUpBit(*field().nbo(), 2);
+ buf[len] += ShiftUpBit(*field().rnd__bit(), 1);
+ Check_field_value("inner IP flags, reserved", (int) *field().reserved(), 0);
+ buf[len] += ShiftUpBit(*field().reserved(), 0);
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_Inner_IP_fields_opt(unsigned char *buf,
+ const OPTIONAL < Profile2__Inner__IP__flags >
+ &flags,
+ const OPTIONAL < Inner__IP__fields > &field)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (!field.ispresent())
+ {
+ Log_function_name_on_leave();
+ return len;
+ }
+ Check_field_presence("TOS (inner IP)",
+ flags.ispresent() && (*flags().tos() == 1),
+ field().tos().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().tos());
+ Check_field_presence("TTL (inner IP)",
+ flags.ispresent() && (*flags().ttl() == 1),
+ field().ttl().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().ttl());
+ Check_field_presence("PROTO (inner IP)",
+ flags.ispresent() && (*flags().pr() == 1),
+ field().proto().ispresent());
+ len += Set_LIN1_opt(&buf[len], field().proto());
+
+ len += Set_Profile1_ipx_headers_opt(&buf[len], field().ext__heads());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+
+int
+Set_Profile2_ROHC_Header_Extension0(unsigned char *buf,
+ const Profile2__Extension0 & ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("extension type", (int) *ext.ext__type(), 0);
+ buf[len] = ((*ext.ext__type()) << 6) & 0xC0;
+ buf[len] += (ext.sn() << 3) & 0x38;
+ buf[len] += ext.ip__id() & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_Extension1(unsigned char *buf,
+ const Profile2__Extension1 & ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("extension type", (int) *ext.ext__type(), 1);
+ buf[len] = ((*ext.ext__type()) << 6) & 0xC0;
+ buf[len] += (ext.sn() << 3) & 0x38;
+ buf[len] += (ext.ip__id() >> 8) & 0x07;
+ len += 1;
+ buf[len] = ext.ip__id() & 0xFF;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_Extension2(unsigned char *buf,
+ const Profile2__Extension2 & ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("extension type", (int) *ext.ext__type(), 2);
+ buf[len] = ((*ext.ext__type()) << 6) & 0xC0;
+ buf[len] += (ext.sn() << 3) & 0x38;
+ buf[len] += (ext.ip__id2() >> 8) & 0x07;
+ len += 1;
+ buf[len] = ext.ip__id2() & 0xFF;
+ len += 1;
+ buf[len] = ext.ip__id() & 0xFF;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_Extension3(unsigned char *buf,
+ const Profile2__Extension3 & ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("extension type", (int) *ext.ext__type(), 3);
+ buf[len] = ((*ext.ext__type()) << 6) & 0xC0;
+ buf[len] += ShiftUpBit(*ext.s__bit(), 5);
+ buf[len] += ((ext.mode()) << 3) & 0x18;
+ buf[len] += ShiftUpBit(*ext.i__bit(), 2);
+ buf[len] += ShiftUpBit(*ext.ip__bit(), 1);
+ buf[len] += ShiftUpBit(*ext.ip2__bit(), 0);
+ len += 1;
+
+ Check_field_presence("Inner IP flags",
+ *ext.ip__bit() == 1,
+ ext.inner__ip__flags().ispresent());
+ len += Set_Profile2_Inner_IP_flags_opt(&buf[len], ext.inner__ip__flags());
+ Check_field_presence("Outer IP flags",
+ *ext.ip2__bit() == 1,
+ ext.outer__ip__flags().ispresent());
+ len += Set_Profile1_Outer_IP_flags_opt(&buf[len], ext.outer__ip__flags());
+ Check_field_presence("SN", *ext.s__bit() == 1, ext.sn().ispresent());
+ len += Set_LIN1_opt(&buf[len], ext.sn());
+ Check_field_presence("Inner IP fields",
+ *ext.ip__bit() == 1, ext.inner__ip__hdr().ispresent());
+ len += Set_Profile2_Inner_IP_fields_opt(&buf[len], ext.inner__ip__flags(),
+ ext.inner__ip__hdr());
+ Check_field_presence("Inner IP-ID",
+ *ext.i__bit() == 1, ext.ip__id().ispresent());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], ext.ip__id());
+ Check_field_presence("Outer IP fields",
+ *ext.ip2__bit() == 1, ext.outer__ip__hdr().ispresent());
+ len += Set_Profile1_Outer_IP_fields_opt(&buf[len], ext.outer__ip__flags(),
+ ext.outer__ip__hdr());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_Extension_opt(unsigned char *buf,
+ const OPTIONAL < Profile2__Extension >
+ &ext)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (ext.ispresent())
+ {
+ if (ext().get_selection() == Profile2__Extension::ALT_ext0)
+ {
+ len += Set_Profile2_ROHC_Header_Extension0(&buf[len], ext().ext0());
+ }
+ else if (ext().get_selection() == Profile2__Extension::ALT_ext1)
+ {
+ len += Set_Profile2_ROHC_Header_Extension1(&buf[len], ext().ext1());
+ }
+ else if (ext().get_selection() == Profile2__Extension::ALT_ext2)
+ {
+ len += Set_Profile2_ROHC_Header_Extension2(&buf[len], ext().ext2());
+ }
+ else if (ext().get_selection() == Profile2__Extension::ALT_ext3)
+ {
+ len += Set_Profile2_ROHC_Header_Extension3(&buf[len], ext().ext3());
+ }
+ else
+ {
+ Log_not_implemented_union_field("Profile2_Extension",
+ ext().get_selection());
+ }
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header_ipid_ah_gre(unsigned char *buf,
+ const Profile2__headers & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.ip__id__outer());
+ len += Set_octetstring_opt(&buf[len], hdr.ah__outer());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.gre__cksum1());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.ip__id__inner());
+ len += Set_octetstring_opt(&buf[len], hdr.ah__inner());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.gre__cksum2());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile2_ROHC_Header(unsigned char *buf,
+ const Profile2__headers & hdr,
+ ROHC__config const &config)
+{
+ int len = 0, crcpos = 0, cidlen = 0, cid;
+
+ Log_function_name_on_enter();
+
+ switch (hdr.base__header().get_selection())
+ {
+ case Profile2__base__header::ALT_ir:
+ cid = hdr.base__header().ir().cid();
+ crcpos = len + 2;
+ len += Set_Profile2_ROHC_Header_ir(&buf[len], hdr.base__header().ir());
+ break;
+ case Profile2__base__header::ALT_ir__dyn:
+ cid = hdr.base__header().ir__dyn().cid();
+ crcpos = len + 2;
+ len +=
+ Set_Profile2_ROHC_Header_irdyn(&buf[len], hdr.base__header().ir__dyn());
+ break;
+ case Profile1__base__header::ALT_r__0:
+ cid = hdr.base__header().r__0().cid();
+ len += Set_Profile1_ROHC_Header_r0(&buf[len], hdr.base__header().r__0());
+ break;
+ case Profile1__base__header::ALT_r__0__crc:
+ cid = hdr.base__header().r__0__crc().cid();
+ len +=
+ Set_Profile1_ROHC_Header_r0crc(&buf[len],
+ hdr.base__header().r__0__crc());
+ break;
+ case Profile1__base__header::ALT_uo__0:
+ cid = hdr.base__header().uo__0().cid();
+ len += Set_Profile1_ROHC_Header_uo0(&buf[len], hdr.base__header().uo__0());
+ break;
+ case Profile2__base__header::ALT_r__1:
+ cid = hdr.base__header().r__1().cid();
+ len += Set_Profile2_ROHC_Header_r1(&buf[len], hdr.base__header().r__1());
+ break;
+ case Profile2__base__header::ALT_uo__1:
+ cid = hdr.base__header().uo__1().cid();
+ len += Set_Profile2_ROHC_Header_uo1(&buf[len], hdr.base__header().uo__1());
+ break;
+ case Profile2__base__header::ALT_uor__2:
+ cid = hdr.base__header().uor__2().cid();
+ len +=
+ Set_Profile2_ROHC_Header_uor2(&buf[len], hdr.base__header().uor__2());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Profile2_base_header", hdr.base__header().get_selection());
+ break;
+ }
+
+ len += Set_Profile2_ROHC_Header_Extension_opt(&buf[len], hdr.ext());
+ len += Set_Profile2_ROHC_Header_ipid_ah_gre(&buf[len], hdr);
+ len += Set_LIN2_BO_LAST_opt(&buf[len], hdr.udp__cksum());
+
+ cidlen = Set_CID_for_packets(buf, config, cid, len);
+ crcpos += cidlen;
+ len += cidlen;
+
+ if (hdr.base__header().get_selection() == Profile2__base__header::ALT_ir)
+ {
+ if (hdr.base__header().ir().crc() == 0)
+ buf[crcpos] = ComputeCRC(&(buf[0]), len, 8);
+ }
+ else
+ if (hdr.base__header().
+ get_selection() == Profile2__base__header::ALT_ir__dyn)
+ {
+ if (hdr.base__header().ir__dyn().crc() == 0)
+ buf[crcpos] = ComputeCRC(&(buf[0]), len, 8);
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+} /* Set_Profile2_ROHC_Header */
+
+int
+Set_Profile4_Static_Chain(unsigned char *buf,
+ const Profile4__Static__Chain & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ for (int num = 0; num < chain.size_of(); num++)
+ {
+ switch (chain[num].get_selection())
+ {
+ case Static__Chain__u::ALT_ipv4__stat:
+ len += Set_IPv4_static_chain(&buf[len], chain[num].ipv4__stat());
+ break;
+ case Static__Chain__u::ALT_ipv6__stat:
+ len += Set_IPv6_static_chain(&buf[len], chain[num].ipv6__stat());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Profile4_Static_Chain", chain[num].get_selection());
+ break;
+ }
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile4_IPv4_dynamic(unsigned char *buf,
+ const Profile4__IPv4__Dynamic & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Set_LIN1(&buf[len], chain.tos());
+ len += Set_LIN1(&buf[len], chain.ttl());
+ len += Set_LIN2_BO_LAST(&buf[len], chain.identification());
+
+ buf[len] = ShiftUpBit(*chain.df__bit(), 7);
+ buf[len] += ShiftUpBit(*chain.rnd__bit(), 6);
+ buf[len] += ShiftUpBit(*chain.nbo__bit(), 5);
+ buf[len] += ShiftUpBit(*chain.sid__bit(), 4);
+ Check_field_value("IPv4 reserved (dynamic chain)", *chain.reserved(), 0);
+ buf[len] += (*chain.reserved()) & 0x0F;
+ len += 1;
+ len += Set_Encoding_Type_0(&buf[len], chain.genextheadlist());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile4_Dynamic_Chain(unsigned char *buf,
+ const Profile4__Dynamic__Chain & dynch)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ for (int num = 0; num < dynch.size_of(); num++)
+ {
+ switch (dynch[num].get_selection())
+ {
+ case Profile4__Dynamic__Chain__u::ALT_ipv4__dyn:
+ len += Set_Profile4_IPv4_dynamic(&buf[len], dynch[num].ipv4__dyn());
+ break;
+ case Profile4__Dynamic__Chain__u::ALT_ipv6__dyn:
+ len += Set_IPv6_dynamic_chain(&buf[len], dynch[num].ipv6__dyn());
+ break;
+ case Profile4__Dynamic__Chain__u::ALT_sn:
+ len += Set_LIN2_BO_LAST(&buf[len], dynch[num].sn());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Profile4_Dynamic_Chain", dynch[num].get_selection());
+ break;
+ }
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile4_ROHC_Header_ir(unsigned char *buf,
+ const Profile4__IR__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 126);
+ buf[len] = ((*hdr.type__ind()) << 1) & 0xFE;
+ Check_field_presence("dynamic chain", *hdr.d() == 1,
+ hdr.dyn__chain().ispresent());
+ buf[len] += ShiftUpBit(*hdr.d(), 0);
+ len += 1;
+ Check_field_value("profile", hdr.profile(), 4);
+ len += Set_LIN1(&buf[len], hdr.profile());
+ len += Set_LIN1(&buf[len], hdr.crc());
+ len += Set_Profile4_Static_Chain(&buf[len], hdr.stat__chain());
+ if (hdr.dyn__chain().ispresent())
+ len += Set_Profile4_Dynamic_Chain(&buf[len], hdr.dyn__chain());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile4_ROHC_Header_irdyn(unsigned char *buf,
+ const Profile4__IR__DYN__header & hdr)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Check_field_value("packet type", (int) *hdr.type__ind(), 248);
+ buf[len] = *hdr.type__ind();
+ len += 1;
+ Check_field_value("profile", hdr.profile(), 4);
+ len += Set_LIN1(&buf[len], hdr.profile());
+ len += Set_LIN1(&buf[len], hdr.crc());
+ len += Set_Profile4_Dynamic_Chain(&buf[len], hdr.dyn__chain());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile4_ROHC_Header_ipid_ah_gre(unsigned char *buf,
+ const Profile4__headers & other_headers)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Set_LIN2_BO_LAST_opt(&buf[len], other_headers.ip__id__outer());
+ len += Set_octetstring_opt(&buf[len], other_headers.ah__outer());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], other_headers.gre__cksum1());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], other_headers.ip__id__inner());
+ len += Set_octetstring_opt(&buf[len], other_headers.ah__inner());
+ len += Set_LIN2_BO_LAST_opt(&buf[len], other_headers.gre__cksum2());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Set_Profile4_ROHC_Header(unsigned char *buf,
+ const Profile4__headers & hdr,
+ ROHC__config const &config)
+{
+ int len = 0, crcpos = 0, cidlen = 0, cid;
+
+ Log_function_name_on_enter();
+
+ switch (hdr.base__header().get_selection())
+ {
+ case Profile4__base__header::ALT_ir:
+ cid = hdr.base__header().ir().cid();
+ crcpos = len + 2;
+ len += Set_Profile4_ROHC_Header_ir(&buf[len], hdr.base__header().ir());
+ break;
+ case Profile4__base__header::ALT_ir__dyn:
+ cid = hdr.base__header().ir__dyn().cid();
+ crcpos = len + 2;
+ len +=
+ Set_Profile4_ROHC_Header_irdyn(&buf[len], hdr.base__header().ir__dyn());
+ break;
+ case Profile1__base__header::ALT_r__0:
+ cid = hdr.base__header().r__0().cid();
+ len += Set_Profile1_ROHC_Header_r0(&buf[len], hdr.base__header().r__0());
+ break;
+ case Profile1__base__header::ALT_r__0__crc:
+ cid = hdr.base__header().r__0__crc().cid();
+ len +=
+ Set_Profile1_ROHC_Header_r0crc(&buf[len],
+ hdr.base__header().r__0__crc());
+ break;
+ case Profile1__base__header::ALT_uo__0:
+ cid = hdr.base__header().uo__0().cid();
+ len += Set_Profile1_ROHC_Header_uo0(&buf[len], hdr.base__header().uo__0());
+ break;
+ case Profile2__base__header::ALT_r__1:
+ cid = hdr.base__header().r__1().cid();
+ len += Set_Profile2_ROHC_Header_r1(&buf[len], hdr.base__header().r__1());
+ break;
+ case Profile2__base__header::ALT_uo__1:
+ cid = hdr.base__header().uo__1().cid();
+ len += Set_Profile2_ROHC_Header_uo1(&buf[len], hdr.base__header().uo__1());
+ break;
+ case Profile2__base__header::ALT_uor__2:
+ cid = hdr.base__header().uor__2().cid();
+ len +=
+ Set_Profile2_ROHC_Header_uor2(&buf[len], hdr.base__header().uor__2());
+ break;
+ default:
+ Log_not_implemented_union_field
+ ("Profile4_base_header", hdr.base__header().get_selection());
+ break;
+ }
+
+ len += Set_Profile2_ROHC_Header_Extension_opt(&buf[len], hdr.ext());
+ len += Set_Profile4_ROHC_Header_ipid_ah_gre(&buf[len], hdr);
+ if (hdr.additional__IP().ispresent())
+ {
+ len += Set_Profile4_Dynamic_Chain(&buf[len], hdr.additional__IP()());
+ }
+
+ cidlen = Set_CID_for_packets(buf, config, cid, len);
+ crcpos += cidlen;
+ len += cidlen;
+
+ if (hdr.base__header().get_selection() == Profile4__base__header::ALT_ir)
+ {
+ if (hdr.base__header().ir().crc() == 0)
+ buf[crcpos] = ComputeCRC(&(buf[0]), len, 8);
+ }
+ else if (hdr.base__header().get_selection() ==
+ Profile4__base__header::ALT_ir__dyn)
+ {
+ if (hdr.base__header().ir__dyn().crc() == 0)
+ buf[crcpos] = ComputeCRC(&(buf[0]), len, 8);
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+OCTETSTRING
+f__ROHC__enc(ROHC__packet__u const &pdu, ROHC__config const &config)
+{
+ unsigned char buf[MAX_PACKET_SIZE];
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ TTCN_logger.begin_event(TTCN_DEBUG);
+ config.log();
+ pdu.log();
+ TTCN_logger.end_event();
+
+ if (pdu.get_selection() == ROHC__packet__u::ALT_segment)
+ {
+ // Processing padding
+ len += Set_octetstring_opt(&buf[len], pdu.segment().padding());
+ // Processing feedback
+ len +=
+ Set_ROHC_Feedback_opt(&buf[len],
+ pdu.segment().feedback(), config.large__cid());
+ // Processing segment header
+ Check_field_value("segment header id",
+ pdu.segment().segment__header__id(), 127);
+ buf[len] = (pdu.segment().segment__header__id() << 1) & 0xFE;
+ if (pdu.segment().final())
+ buf[len] += 1;
+ len += 1;
+ // Processing payload
+ len += Set_octetstring_opt(&buf[len], pdu.segment().payload());
+ // Processing CRC
+ if (pdu.segment().crc().ispresent())
+ {
+ buf[len] = (pdu.segment().crc()() >> 24) & 0xFF;
+ len += 1;
+ buf[len] = (pdu.segment().crc()() >> 16) & 0xFF;
+ len += 1;
+ buf[len] = (pdu.segment().crc()() >> 8) & 0xFF;
+ len += 1;
+ buf[len] = pdu.segment().crc()() & 0xFF;
+ len += 1;
+ }
+ }
+ else if (pdu.get_selection() == ROHC__packet__u::ALT_rohc)
+ {
+ // Processing padding
+ len += Set_octetstring_opt(&buf[len], pdu.rohc().padding());
+ // Processing feedback
+ len += Set_ROHC_Feedback_opt(&buf[len],
+ pdu.rohc().feedback(), config.large__cid());
+ // Processing ROHC header
+ switch (pdu.rohc().header().get_selection())
+ {
+ case Header::ALT_prof0:
+ len += Set_ROHC_Header_Profile0(&buf[len], pdu.rohc().header().prof0(),
+ config);
+ break;
+ case Header::ALT_prof1:
+ len += Set_Profile1_ROHC_Header(&buf[len], pdu.rohc().header().prof1(),
+ config);
+ break;
+ case Header::ALT_prof2:
+ len += Set_Profile2_ROHC_Header(&buf[len], pdu.rohc().header().prof2(),
+ config);
+ break;
+ case Header::ALT_prof4:
+ len += Set_Profile4_ROHC_Header(&buf[len], pdu.rohc().header().prof4(),
+ config);
+ break;
+ default:
+ Log_not_implemented_union_field("Header",
+ pdu.rohc().header().get_selection());
+ break;
+ }
+
+ // Processing payload
+ len += Set_octetstring_opt(&buf[len], pdu.rohc().payload());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return OCTETSTRING(len, &(buf[0]));
+}
+
+
+
+
+
+/* ============ Decoding functions for base types ============ */
+
+/* Mirrors the bits of an octet and returns the same pointer. */
+unsigned char *
+Convert_bitstring(unsigned char *buf, int len)
+{
+ unsigned char dst_buf = 0;
+
+ if (len > 8)
+ {
+ TTCN_error("Bitstring is too long, at most 8 bits can be converted");
+ }
+ for (int i = 0; i < 8; i++)
+ {
+ dst_buf += ShiftUpBit(ShiftDownBit(buf[0], i), 7 - i);
+ }
+ buf[0] = dst_buf;
+
+ return buf;
+}
+
+/* Decodes an OCTETSTING value */
+int
+Get_octetstring(const unsigned char *buf, OCTETSTRING & octstr, int length)
+{
+ octstr = OCTETSTRING(length, buf);
+ return length;
+}
+
+/* Decodes a LIN1 value */
+int
+Get_LIN1(const unsigned char *buf, LIN1 & var)
+{
+ var = LIN1(buf[0]);
+ return 1;
+}
+
+/* Decodes a LIN2_BO_LAST value */
+int
+Get_LIN2_BO_LAST(const unsigned char *buf, LIN2__BO__LAST & var)
+{
+ var = (buf[0] << 8) + buf[1];
+ return 2;
+}
+
+/* Decodes a LIN4_BO_LAST value */
+int
+Get_LIN4_BO_LAST(const unsigned char *buf, LIN4__BO__LAST & var)
+{
+ var = (buf[0] << 24) + (buf[1] << 16) + (buf[2] << 8) + buf[3];
+ return 4;
+}
+
+int
+Get_SDVL_field(const unsigned char *buf, INTEGER & dest)
+{
+ int len = 0;
+ int decoded_value;
+
+ Log_function_name_on_enter();
+
+ if ((buf[len] & 0x80) == 0)
+ {
+ dest = buf[len] & 0x7F;
+ len += 1;
+ }
+ else if ((buf[len] & 0xC0) == 0x80)
+ {
+ dest = ((buf[len] << 8) & 0x3F00) + (buf[len + 1] & 0xFF);
+ len += 2;
+ }
+ else if ((buf[len] & 0xE0) == 0xC0)
+ {
+ dest =
+ ((buf[len] << 16) & 0x1F0000) +
+ ((buf[len + 1] << 8) & 0xFF00) + (buf[len + 2] & 0xFF);
+ len += 3;
+ }
+ else // if ((buf[len] & 0xE0) == 0xE0)
+ {
+ dest =
+ ((buf[len] << 24) & 0x1F000000) +
+ ((buf[len + 1] << 16) & 0xFF0000) +
+ ((buf[len + 2] << 8) & 0xFF00) + (buf[len + 3] & 0xFF);
+ len += 4;
+ }
+
+ decoded_value = dest;
+ TTCN_logger.log(TTCN_DEBUG, "Decoded value is %u (encoded on %u octets)",
+ decoded_value, len);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+/* ============ Decoding wrappers for optional base types ============ */
+
+/* Decodes a optional octetstring value */
+int
+Get_octetstring_opt(const unsigned char *buf, OPTIONAL < OCTETSTRING > &var,
+ bool hasvalue, int length)
+{
+ if (hasvalue)
+ {
+ return Get_octetstring(buf, var(), length);
+ }
+ var = OMIT_VALUE;
+ return 0;
+}
+
+/* Decodes a optional LIN1 value */
+int
+Get_LIN1_opt(const unsigned char *buf, OPTIONAL < LIN1 > &var, bool hasvalue)
+{
+ if (hasvalue)
+ {
+ return Get_LIN1(buf, var());
+ }
+ var = OMIT_VALUE;
+ return 0;
+}
+
+/* Decodes a optional LIN2_BO_LAST value */
+int
+Get_LIN2_BO_LAST_opt(const unsigned char *buf,
+ OPTIONAL < LIN2__BO__LAST > &var, bool hasvalue)
+{
+ if (hasvalue)
+ {
+ return Get_LIN2_BO_LAST(buf, var());
+ }
+ var = OMIT_VALUE;
+ return 0;
+}
+
+/* Decodes a optional LIN4_BO_LAST value */
+int
+Get_LIN4_BO_LAST_opt(const unsigned char *buf,
+ OPTIONAL < LIN4__BO__LAST > &var, bool hasvalue)
+{
+ if (hasvalue)
+ {
+ return Get_LIN4_BO_LAST(buf, var());
+ }
+ var = OMIT_VALUE;
+ return 0;
+}
+
+/* Decodes a optional SDVL value */
+int
+Get_SDVL_field_opt(const unsigned char *buf,
+ OPTIONAL < INTEGER > &var, bool hasvalue)
+{
+ if (hasvalue)
+ {
+ return Get_SDVL_field(buf, var());
+ }
+ var = OMIT_VALUE;
+ return 0;
+}
+
+/* ============ Decoding functions for ROHC types ============ */
+
+/* Returns the number of matching octets, that are the same as the passed
+ 'octet'. */
+int
+Strip_leading_octet(const unsigned char *buf, int length, unsigned char octet)
+{
+ int len = 0;
+
+ while ((buf[len] == octet) && (len < length))
+ len += 1;
+ return len;
+}
+
+int
+Get_ROHC_Padding(const unsigned char *buf, int length,
+ OPTIONAL < Padding > &p_padding, ROHC__config & config)
+{
+ int len = Strip_leading_octet(buf, length, 0xE0);
+
+ Log_function_name_on_enter();
+
+ if (len > 0)
+ {
+ p_padding = OCTETSTRING(len, &(buf[0]));
+ Log_hexdump(buf, len);
+ }
+ else
+ p_padding = OMIT_VALUE;
+
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_CID(const unsigned char *buf, INT14b__BO__LAST & cid,
+ ROHC__config & config)
+{
+ int len = 0;
+ int dec_cid;
+
+ Log_function_name_on_enter();
+
+ if (config.large__cid() == false)
+ {
+ if ((buf[len] & 0xF0) == 0xE0)
+ {
+ cid = buf[len] & 0x0F;
+ len += 1;
+ }
+ else
+ cid = 0;
+ }
+ else
+ {
+ len += Get_SDVL_field(&buf[len], cid);
+ }
+
+ dec_cid = cid;
+ TTCN_logger.log(TTCN_DEBUG, "Decoded CID = %u", dec_cid);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_feedback(const unsigned char *buf, Feedback__u & feedback,
+ ROHC__config & config)
+{
+ int len = 0, fbsize = 0, cidlen;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 3) & 0x1F;
+ feedback.feedback__type() = BITSTRING(5, &ctemp);
+ feedback.code() = buf[len] & 0x07;
+ fbsize = feedback.code();
+ len += 1;
+ len += Get_LIN1_opt(&buf[len], feedback.size(), feedback.code() == 0);
+ if (feedback.size().ispresent())
+ {
+ fbsize = feedback.size()();
+ }
+
+ cidlen = Get_CID(&buf[len], feedback.feedback__data().cid(), config);
+ fbsize -= cidlen;
+ len += cidlen;
+
+ if (fbsize == 1) /* Feedback type 1 */
+ {
+ len += Get_octetstring(&buf[len],
+ feedback.feedback__data().feedback__type().
+ feedback1(), fbsize);
+ }
+ else /* Feedback type 2 */
+ {
+ int optnum = 0;
+ Feedback__opts fbopts;
+ Feedback2 feedback2;
+
+ feedback2.acktype() = (buf[len] >> 6) & 0x03;
+ feedback2.mode() = (buf[len] >> 4) & 0x03;
+ ctemp = buf[len] & 0x0F;
+ len += 1;
+ fbsize -= 1;
+ feedback2.sn() = ((ctemp << 8) & 0x0F00) + buf[len];
+ len += 1;
+ fbsize -= 1;
+ feedback2.feedback__opts() = OMIT_VALUE;
+ while (fbsize > 0)
+ {
+ fbopts[optnum].opt__type() = (buf[len] >> 4) & 0x0F;
+ fbopts[optnum].opt__len() = buf[len] & 0x0F;
+ len += 1;
+ fbsize -= 1;
+ if (fbopts[optnum].opt__len())
+ {
+ len += Get_octetstring(&buf[len], fbopts[optnum].opt__data(),
+ fbopts[optnum].opt__len());
+ fbsize -= fbopts[optnum].opt__len();
+ }
+ else
+ fbopts[optnum].opt__data() = OMIT_VALUE;
+ feedback2.feedback__opts() = fbopts;
+ optnum += 1;
+ }
+
+ feedback.feedback__data().feedback__type().feedback2() = feedback2;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_ROHC_Feedback(const unsigned char *buf,
+ int length,
+ OPTIONAL < Feedback > &feedback, ROHC__config & config)
+{
+ int len = 0, fbnum = 0;
+
+ Log_function_name_on_enter();
+
+ feedback = OMIT_VALUE;
+ while (((buf[len] & 0xF8) == 0xF0) && (len < length))
+ {
+ len += Get_feedback(&buf[len], feedback()[fbnum], config);
+ fbnum++;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_XI_list(const unsigned char *buf,
+ OPTIONAL < XI__list > &xilist, int m,
+ const BITSTRING & ps_bit, int *itemnum,
+ OPTIONAL < BITSTRING > &padding)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ if (!m)
+ {
+ xilist = OMIT_VALUE;
+ padding = OMIT_VALUE;
+ return len;
+ }
+
+ if ((*ps_bit) == 1)
+ {
+ for (int num = 0; num < m; num++)
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ xilist().xi__item8()[num].x__ind() = BITSTRING(1, &ctemp);
+ if (ctemp)
+ *itemnum += 1;
+ xilist().xi__item8()[num].index() = buf[len] & 0x7F;
+ len += 1;
+ }
+ padding = OMIT_VALUE;
+ }
+ else
+ {
+ int halfbyte = 0;
+
+ for (int num = 0; num < m; num++)
+ {
+ if (halfbyte)
+ {
+ ctemp = ShiftDownBit(buf[len], 3);
+ xilist().xi__item4()[num].x__ind() = BITSTRING(1, &ctemp);
+ if (ctemp)
+ *itemnum += 1;
+ xilist().xi__item4()[num].index() = buf[len] & 0x07;
+ len += 1;
+ }
+ else
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ xilist().xi__item4()[num].x__ind() = BITSTRING(1, &ctemp);
+ if (ctemp)
+ *itemnum += 1;
+ xilist().xi__item4()[num].index() = (buf[len] >> 4) & 0x07;
+ }
+ halfbyte = 1 - halfbyte; /* Invert the value */
+ }
+ /* Padding */
+ if (halfbyte == 1)
+ {
+ ctemp = buf[len] & 0x0F;
+ padding() = BITSTRING(4, &ctemp);
+ len += 1;
+ }
+ else
+ padding = OMIT_VALUE;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Item_list(const unsigned char *buf,
+ OPTIONAL < Item__list > &item_list, int n,
+ Item__list::union_selection_type selection,
+ t_dat *dat, int ip_idx)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (n == 0)
+ {
+ item_list = OMIT_VALUE;
+ Log_function_name_on_leave();
+ return len;
+ }
+
+ TTCN_logger.log(TTCN_DEBUG, "Expecting %u items", n);
+
+ /* Item list is an IP extension header list */
+ if (selection == Item__list::ALT_ip__item__list)
+ {
+ IP__Item__list & itlist = item_list().ip__item__list();
+ for (int num = 0; num < n; num++)
+ {
+ int headid = buf[len];
+ len += 1;
+
+ TTCN_logger.log(TTCN_DEBUG, "%uth item", num);
+
+ if (headid == c__ip__proto__ah)
+ {
+ AH__item & item = itlist[num].ah__item();
+ int payload_length, ah_data_len;
+
+ TTCN_logger.log(TTCN_DEBUG, "AH header found");
+ item.nexthead() = headid;
+ len += Get_LIN1(&buf[len], item.payload__len());
+ payload_length = item.payload__len();
+ ah_data_len = (item.payload__len() - 1) * 4;
+ len += Get_LIN2_BO_LAST(&buf[len], item.reserved());
+ len += Get_LIN4_BO_LAST(&buf[len], item.spi());
+ len += Get_LIN4_BO_LAST(&buf[len], item.sn());
+ len += Get_octetstring_opt(&buf[len], item.auth__data(),
+ item.payload__len() != 1, ah_data_len);
+ dat->context.ip__ctx()[ip_idx].ah__data__len() = ah_data_len;
+ dat->context.ip__ctx()[ip_idx].ah__present() = true;
+ // There is no compressed AH data after the base header
+ dat->compressed_ah_data_len[ip_idx] = 0;
+ TTCN_logger.log(TTCN_DEBUG,
+ "AH payload length is %d meaning %d octets",
+ payload_length, ah_data_len);
+ Log_hexdump(buf, len);
+ }
+ else if (headid == c__ip__proto__mine)
+ {
+ unsigned char ctemp;
+ MINE__item & item = itlist[num].mine__item();
+
+ TTCN_logger.log(TTCN_DEBUG, "MINE header found");
+ item.protocol() = headid;
+ ctemp = ShiftDownBit(buf[len], 7);
+ item.s__bit() = BITSTRING(1, &ctemp);
+ item.reserved() = BITSTRING(7, &buf[len]);
+ len += 1;
+ len += Get_LIN2_BO_LAST(&buf[len], item.cksum());
+ len += Get_octetstring(&buf[len], item.dstaddr(), 4);
+ len += Get_octetstring_opt(&buf[len], item.srcaddr(),
+ *item.s__bit() == 1, 4);
+ Log_hexdump(buf, len);
+ }
+ else if (headid == c__ip__proto__esp)
+ {
+ ESP__item & item = itlist[num].esp__item();
+
+ TTCN_logger.log(TTCN_DEBUG, "ESP header found");
+ item.nexthead() = headid;
+ len += Get_LIN4_BO_LAST(&buf[len], item.spi());
+ len += Get_LIN4_BO_LAST(&buf[len], item.sn());
+
+ dat->context.ip__ctx()[ip_idx].esp__present() = true;
+ Log_hexdump(buf, len);
+ }
+ else if (headid == c__ip__proto__gre2)
+ {
+ GRE__item & item = itlist[num].gre__item();
+ unsigned char ctemp;
+
+ TTCN_logger.log(TTCN_DEBUG, "GRE header found");
+ item.nexthead() = headid;
+ ctemp = ShiftDownBit(buf[len], 7);
+ item.C__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ item.reserved__1() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ item.K__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ item.S__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 3);
+ item.reserved__2() = BITSTRING(1, &ctemp);
+ ctemp = buf[len] & 0x07;
+ item.version() = BITSTRING(3, &ctemp);
+ len += 1;
+ len += Get_LIN2_BO_LAST_opt(&buf[len], item.cksum(),
+ *item.C__bit() == 1);
+ len += Get_LIN4_BO_LAST_opt(&buf[len], item.key(),
+ *item.K__bit() == 1);
+ len += Get_LIN4_BO_LAST_opt(&buf[len], item.sn(), *item.S__bit() == 1);
+
+ dat->context.ip__ctx()[ip_idx].gre__cksum__present() = (*item.C__bit() == 1);
+ dat->context.ip__ctx()[ip_idx].gre__present() = true;
+ // There is no compressed GRE data after the base header
+ dat->ipx_gre_cksum_present[ip_idx] = false;
+ Log_hexdump(buf, len);
+ }
+ else /* Assuming IPv6 extension header */
+ /* TODO check: why only these were supported:
+ if (headid == 0 || headid == 43 || headid == 60) */
+ {
+ IPv6__ext__item & item = itlist[num].ipv6__ext__item();
+ int ext_len;
+ int ext_len_oct;
+
+ TTCN_logger.log(TTCN_DEBUG, "IPv6 header found (type %d)", headid);
+ item.nexthead() = headid;
+ len += Get_LIN1(&buf[len], item.hdr__ext__len());
+ ext_len_oct = item.hdr__ext__len();
+ ext_len = (item.hdr__ext__len() + 1) * 8;
+ TTCN_logger.log(TTCN_DEBUG,
+ "IPv6 extension length is %d meaning %d octets",
+ ext_len_oct, ext_len);
+ // 2 octets already been read
+ len += Get_octetstring(&buf[len], item.data(), ext_len - 2);
+ Log_hexdump(buf, len);
+ }
+ } /* for (num) */
+ }
+ else if (selection == Item__list::ALT_csrc__item__list)
+ {
+ for (int num = 0; num < n; num++)
+ {
+ TTCN_logger.log(TTCN_DEBUG, "%uth item", num);
+
+ len +=
+ Get_octetstring(&buf[len], item_list().csrc__item__list()[num], 4);
+ }
+ }
+ else if (selection == Item__list::ALT_raw__data)
+ {
+ /* TODO: RAW_data field is just a temporary hack for Profile4 tests */
+ RAW__data & itlist = item_list().raw__data();
+
+ for (int num = 0; num < n; num++)
+ {
+ int headid = char2int(buf[len]);
+
+ if (headid == 0 || headid == 43 || headid == 60)
+ {
+ int itemlimit = char2int(buf[len + 1]) + 1 * 8;
+ for (int itemlen = 0; itemlen < itemlimit; itemlen++)
+ {
+ if (itemlen == 0)
+ itlist[num] = OCTETSTRING(1, &buf[len]);
+ else
+ itlist[num] = itlist[num] + OCTETSTRING(1, &buf[len]);
+ len += 1;
+ }
+ }
+ else if (headid == 51)
+ {
+ int itemlimit = char2int(buf[len + 1]) + 1 * 8;
+ for (int itemlen = 0; itemlen < itemlimit; itemlen++)
+ {
+ if (itemlen == 0)
+ itlist[num] = OCTETSTRING(1, &buf[len]);
+ else
+ itlist[num] = itlist[num] + OCTETSTRING(1, &buf[len]);
+ len += 1;
+ }
+ }
+ else if (headid == 50)
+ {
+ for (int itemlen = 0; itemlen < 9; itemlen++)
+ {
+ if (itemlen == 0)
+ itlist[num] = OCTETSTRING(1, &buf[len]);
+ else
+ itlist[num] = itlist[num] + OCTETSTRING(1, &buf[len]);
+ len += 1;
+ }
+ }
+ else if (headid == 55 || headid == 47)
+ {
+ for (int itemlen = 0; itemlen < 13; itemlen++)
+ {
+ if (itemlen == 0)
+ itlist[num] = OCTETSTRING(1, &buf[len]);
+ else
+ itlist[num] = itlist[num] + OCTETSTRING(1, &buf[len]);
+ len += 1;
+ }
+ }
+ else
+ TTCN_logger.log(TTCN_WARNING,
+ "Unrecognized element in encoding type 0");
+ }
+ }
+ else
+ {
+ Log_not_implemented_union_field("Item_list", selection);
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Encoding_Type_0(Enc__Type__0 & enct0, const unsigned char *buf,
+ Item__list::union_selection_type selection,
+ t_dat *dat, int ip_idx)
+{
+ unsigned char ctemp;
+ int itemnum = 0;
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ enct0.et() = BITSTRING(2, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ enct0.gp__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ enct0.ps__bit() = BITSTRING(1, &ctemp);
+ enct0.cc() = buf[len] & 0x0F;
+ len += 1;
+ len += Get_LIN1_opt(&buf[len], enct0.gen__id(), (*enct0.gp__bit()) == 1);
+ len += Get_XI_list(&buf[len], enct0.xi__list(),
+ enct0.cc(), enct0.ps__bit(), &itemnum, enct0.padding());
+ len += Get_Item_list(&buf[len], enct0.item__list(), itemnum, selection,
+ dat, ip_idx);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Encoding_Type_1(Enc__Type__1 & enct1, const unsigned char *buf,
+ Item__list::union_selection_type selection,
+ t_dat *dat, int ip_idx)
+{
+ unsigned char ctemp;
+ int knum = 0, itemnum = 0, len = 0;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ enct1.et() = BITSTRING(2, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ enct1.gp__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ enct1.ps__bit() = BITSTRING(1, &ctemp);
+ enct1.xi1() = buf[len] & 0x0F;
+ len += 1;
+ len += Get_LIN1_opt(&buf[len], enct1.gen__id(), (*enct1.gp__bit()) == 1);
+ len += Get_LIN1(&buf[len], enct1.ref__id());
+ if ((buf[len] & 0x80) == 0) /* 1 octet insertion mask */
+ {
+ for (int i = 0; i < 8; i++)
+ {
+ if (ShiftDownBit(buf[len], i) == 1)
+ knum++;
+ }
+ len += Get_octetstring(&buf[len], enct1.insbitmask(), 1);
+ }
+ else /* 2 octets insertion mask */
+ {
+ for (int i = 0; i < 8; i++)
+ if (ShiftDownBit(buf[len], i) == 1)
+ knum++;
+ for (int i = 0; i < 8; i++)
+ if (ShiftDownBit(buf[len + 1], i) == 1)
+ knum++;
+ len += Get_octetstring(&buf[len], enct1.insbitmask(), 2);
+ }
+
+ /* Determine whether xi1 already contains the first index */
+ if ((*enct1.ps__bit()) == 0)
+ {
+ knum--;
+ }
+ len +=
+ Get_XI_list(&buf[len], enct1.xi__list(),
+ knum, enct1.ps__bit(), &itemnum, enct1.padding());
+ len += Get_Item_list(&buf[len], enct1.item__list(), itemnum, selection,
+ dat, ip_idx);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+
+int
+Get_Encoding_Type_2(Enc__Type__2 & enct2, const unsigned char *buf,
+ Item__list::union_selection_type selection)
+{
+ unsigned char ctemp;
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ enct2.et() = BITSTRING(2, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ enct2.gp__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ enct2.res() = BITSTRING(1, &ctemp);
+ enct2.count() = buf[len] & 0x0F;
+ len += 1;
+ len += Get_LIN1_opt(&buf[len], enct2.gen__id(), (*enct2.gp__bit()) == 1);
+ len += Get_LIN1(&buf[len], enct2.ref__id());
+ if ((buf[len] & 0x80) == 0)
+ len += Get_octetstring(&buf[len], enct2.rembitmask(), 1);
+ else
+ len += Get_octetstring(&buf[len], enct2.rembitmask(), 2);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+
+int
+Get_Encoding_Type_3(Enc__Type__3 & enct3, const unsigned char *buf,
+ Item__list::union_selection_type selection,
+ t_dat *dat, int ip_idx)
+{
+ unsigned char ctemp;
+ int itemnum = 0;
+ int knum = 0;
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ enct3.et() = BITSTRING(2, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ enct3.gp__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ enct3.ps__bit() = BITSTRING(1, &ctemp);
+ enct3.xi1() = buf[len] & 0x0F;
+ len += 1;
+ len += Get_LIN1_opt(&buf[len], enct3.gen__id(), (*enct3.gp__bit()) == 1);
+ len += Get_LIN1(&buf[len], enct3.ref__id());
+ if ((buf[len] & 0x80) == 0)
+ len += Get_octetstring(&buf[len], enct3.rembitmask(), 1);
+ else
+ len += Get_octetstring(&buf[len], enct3.rembitmask(), 2);
+
+ if ((buf[len] & 0x80) == 0) /* 1 octet insertion mask */
+ {
+ for (int i = 0; i < 8; i++)
+ {
+ if (ShiftDownBit(buf[len], i) == 1)
+ knum++;
+ }
+ len += Get_octetstring(&buf[len], enct3.insbitmask(), 1);
+ }
+ else /* 2 octets insertion mask */
+ {
+ for (int i = 0; i < 8; i++)
+ if (ShiftDownBit(buf[len], i) == 1)
+ knum++;
+ for (int i = 0; i < 8; i++)
+ if (ShiftDownBit(buf[len + 1], i) == 1)
+ knum++;
+ len += Get_octetstring(&buf[len], enct3.insbitmask(), 2);
+ }
+
+ /* Determine whether xi1 already contains the first index */
+ if ((*enct3.ps__bit()) == 0)
+ {
+ knum--;
+ }
+ len += Get_XI_list(&buf[len], enct3.xi__list(),
+ knum, enct3.ps__bit(), &itemnum, enct3.padding());
+ len += Get_Item_list(&buf[len], enct3.item__list(), itemnum, selection,
+ dat, ip_idx);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Compr_head_list(Compr__head__list & chl, const unsigned char *buf,
+ Item__list::union_selection_type selection,
+ t_dat *dat, int ip_idx)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if ((buf[len] & 0xC0) == 0)
+ len += Get_Encoding_Type_0(chl.enctype0(), &buf[len], selection,
+ dat, ip_idx);
+ else if ((buf[len] & 0xC0) == 0x40)
+ len += Get_Encoding_Type_1(chl.enctype1(), &buf[len], selection,
+ dat, ip_idx);
+ else if ((buf[len] & 0xC0) == 0x80)
+ len += Get_Encoding_Type_2(chl.enctype2(), &buf[len], selection);
+ else
+ len += Get_Encoding_Type_3(chl.enctype3(), &buf[len], selection,
+ dat, ip_idx);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_ipv4_dynamic(const unsigned char *buf, IPv4__Dynamic & chain,
+ t_dat *dat, int ip_level)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ len += Get_LIN1(&buf[len], chain.tos());
+ len += Get_LIN1(&buf[len], chain.ttl());
+ len += Get_LIN2_BO_LAST(&buf[len], chain.identification());
+ ctemp = ShiftDownBit(buf[len], 7);
+ chain.df__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ chain.rnd__bit() = BITSTRING(1, &ctemp);
+ dat->context.ip__ctx()[ip_level].rnd__bit() = BOOLEAN(ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ chain.nbo__bit() = BITSTRING(1, &ctemp);
+ ctemp = buf[len] & 0x1F;
+ chain.reserved() = BITSTRING(5, &ctemp);
+ len += 1;
+ len += Get_Encoding_Type_0(chain.genextheadlist(),
+ &buf[len], Item__list::ALT_ip__item__list,
+ dat, ip_level);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_ipv4_static(const unsigned char *buf, IPv4__Static & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ chain.version() = (buf[len] >> 4) & 0x0F;
+ chain.reserved() = buf[len] & 0x0F;
+ len += 1;
+ len += Get_LIN1(&buf[len], chain.proto());
+ len += Get_octetstring(&buf[len], chain.srcaddr(), 4);
+ len += Get_octetstring(&buf[len], chain.dstaddr(), 4);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_ipv6_static(const unsigned char *buf, IPv6__Static & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ chain.version() = (buf[len] >> 4) & 0x0F;
+ chain.flowlabel() =
+ ((buf[len] & 0x0F) << 16) + (buf[len + 1] << 8) + buf[len + 2];
+ len += 3;
+ len += Get_LIN1(&buf[len], chain.nexthead());
+ len += Get_octetstring(&buf[len], chain.srcaddr(), 16);
+ len += Get_octetstring(&buf[len], chain.dstaddr(), 16);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_ipv6_dynamic(const unsigned char *buf, IPv6__Dynamic & chain,
+ t_dat *dat, int ip_level)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Get_LIN1(&buf[len], chain.trafficclass());
+ len += Get_LIN1(&buf[len], chain.hoplimit());
+ len += Get_Encoding_Type_0(chain.genextheadlist(), &buf[len],
+ Item__list::ALT_ip__item__list, dat, ip_level);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_udp_static(const unsigned char *buf, UDP__Static & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Get_LIN2_BO_LAST(&buf[len], chain.srcport());
+ len += Get_LIN2_BO_LAST(&buf[len], chain.dstport());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_udp_dynamic_wo_sn(const unsigned char *buf,
+ UDP__Dynamic & chain, t_dat *dat)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Get_LIN2_BO_LAST(&buf[len], chain.cksum());
+ if (chain.cksum() == 0)
+ {
+ /* Checksum value 0 means that no UDP checksum is present in the
+ forthcoming compressed packets. */
+ dat->context.udp__ctx().udp__cksum() = false;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_udp_dynamic_w_sn(const unsigned char *buf,
+ Profile2__UDP__Dynamic & chain, t_dat *dat)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Get_LIN2_BO_LAST(&buf[len], chain.cksum());
+ len += Get_LIN2_BO_LAST(&buf[len], chain.udp__sn());
+ if (chain.cksum() == 0)
+ {
+ /* Checksum value 0 means that no UDP checksum is present in the
+ forthcoming compressed packets. */
+ dat->context.udp__ctx().udp__cksum() = false;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_rtp_static(const unsigned char *buf, RTP__Static & chain)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ len += Get_octetstring(&buf[len], chain.ssrc(), 4);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_rtp_dynamic(const unsigned char *buf, RTP__Dynamic & chain,
+ t_dat *dat)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ chain.vfield() = (buf[len] >> 6) & 0x03;
+ ctemp = ShiftDownBit(buf[len], 5);
+ chain.pbit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ chain.rxbit() = BITSTRING(1, &ctemp);
+ chain.ccfield() = buf[len] & 0x0F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ chain.mbit() = BITSTRING(1, &ctemp);
+ chain.ptfield() = buf[len] & 0x7F;
+ len += 1;
+ len += Get_LIN2_BO_LAST(&buf[len], chain.rtpseqnum());
+ len += Get_LIN4_BO_LAST(&buf[len], chain.rtpts());
+ len += Get_Encoding_Type_0(chain.gencsrclist(),
+ &buf[len], Item__list::ALT_csrc__item__list,
+ dat, 0);
+ if ((*chain.rxbit()) == 1)
+ {
+ Rx__Field & rxfield = chain.rx__field();
+
+ ctemp = (buf[len] >> 5) & 0x07;
+ rxfield.reserved() = BITSTRING(3, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ rxfield.xbit() = BITSTRING(1, &ctemp);
+ rxfield.mode() = (buf[len] >> 2) & 0x03;
+ ctemp = ShiftDownBit(buf[len], 1);
+ rxfield.tisbit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ rxfield.tssbit() = BITSTRING(1, &ctemp);
+ len += 1;
+ len += Get_SDVL_field_opt(&buf[len], chain.ts__stride(),
+ *rxfield.tssbit() == 1);
+ len += Get_SDVL_field_opt(&buf[len], chain.time__stride(),
+ *rxfield.tisbit() == 1);
+ }
+ else
+ {
+ chain.rx__field() = OMIT_VALUE;
+ chain.ts__stride() = OMIT_VALUE;
+ chain.time__stride() = OMIT_VALUE;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+/* Reads the compressed IP-ID field after the base header */
+int
+Get_IP_ID_compressed_opt(unsigned char *buf,
+ OPTIONAL < LIN2__BO__LAST > &field,
+ t_dat *dat, int ip_level)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (dat->context.pkt() != Packet__type::IR && dat->context.pkt() != Packet__type::IR__DYN)
+ {
+ int ip_idx = getIPidx(dat, ip_level);
+ TTCN_logger.log(TTCN_DEBUG, "iplevel = %d, ip_idx = %d", ip_level, ip_idx);
+
+ if (ip_idx >= 0)
+ {
+ if (dat->context.ip__ctx()[ip_idx].rnd__bit())
+ len += Get_LIN2_BO_LAST(&buf[len], field());
+ else
+ field = OMIT_VALUE;
+ }
+ else
+ field = OMIT_VALUE;
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+/* Reads the AH data field after the base header */
+int
+Get_AH_data_opt(unsigned char *buf,
+ OPTIONAL < OCTETSTRING > &field, t_dat *dat,
+ int ip_level)
+{
+ int len = 0;
+ int ip_idx = getIPidx(dat, ip_level);
+
+ Log_function_name_on_enter();
+
+ TTCN_logger.log(TTCN_DEBUG, "iplevel = %d, ip_idx = %d", ip_level, ip_idx);
+
+ /* AH present */
+ if (ip_idx >= 0)
+ {
+ int ah_len = dat->compressed_ah_data_len[ip_idx];
+
+ if (ah_len > 0)
+ len += Get_octetstring(&buf[len], field(), ah_len);
+ else
+ field = OMIT_VALUE;
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+/* Reads the GRE checksum field after the base header */
+int
+Get_GRE_cksum_opt(unsigned char *buf,
+ OPTIONAL < LIN2__BO__LAST > &field, t_dat *dat,
+ int ip_level)
+{
+ int len = 0;
+ int ip_idx = getIPidx(dat, ip_level);
+
+ Log_function_name_on_enter();
+
+ TTCN_logger.log(TTCN_DEBUG, "iplevel = %d, ip_idx = %d", ip_level, ip_idx);
+
+ /* Compressed packet and GRE present */
+ if (ip_idx >= 0)
+ {
+ if (dat->ipx_gre_cksum_present[ip_idx])
+ len += Get_LIN2_BO_LAST(&buf[len], field());
+ else
+ field = OMIT_VALUE;
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+/* Reads the UDP checksum field after the base header */
+int
+Get_UDP_cksum_opt(unsigned char *buf,
+ OPTIONAL < LIN2__BO__LAST > &field, t_dat *dat)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (dat->context.pkt() != Packet__type::IR && dat->context.pkt() != Packet__type::IR__DYN &&
+ dat->context.udp__ctx().udp__cksum())
+ {
+ len += Get_LIN2_BO_LAST(&buf[len], field());
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_AEGSeqnum_opt(OPTIONAL < AEGSeqnum > &seqn, const unsigned char *buf,
+ bool hasvalue)
+{
+ unsigned char ctemp;
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (hasvalue)
+ {
+ if ((buf[len] & 0x80) == 0)
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ seqn().short__form().ind() = BITSTRING(1, &ctemp);
+ seqn().short__form().lsb__of__seqnum() = buf[len] & 0x7F;
+ len += 1;
+ }
+ else
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ seqn().long__form().ind() = BITSTRING(1, &ctemp);
+ seqn().long__form().lsb__of__seqnum() =
+ ((buf[len] & 0x7F) << 24) +
+ (buf[len + 1] << 16) + (buf[len + 2] << 8) + buf[len + 3];
+ len += 4;
+ }
+ }
+ else
+ seqn = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Inner_IP_flags_opt(unsigned char *buf,
+ OPTIONAL < Inner__IP__flags > &field,
+ t_dat *dat, bool hasvalue)
+{
+ int len = 0;
+ int ip_idx = getIPidx(dat, Inner_IP);
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ TTCN_logger.log(TTCN_DEBUG, "iplevel = %d, ip_idx = %d", Inner_IP, ip_idx);
+
+ if (hasvalue)
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ field().tos() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ field().ttl() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ field().df() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ field().pr() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 3);
+ field().ipx() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 2);
+ field().nbo() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 1);
+ field().rnd__bit() = BITSTRING(1, &ctemp);
+ dat->context.ip__ctx()[ip_idx].rnd__bit() = BOOLEAN(ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ field().ip2__bit() = BITSTRING(1, &ctemp);
+ len += 1;
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Outer_IP_flags_opt(unsigned char *buf,
+ OPTIONAL < Outer__IP__flags > &field,
+ t_dat *dat, bool hasvalue)
+{
+ int len = 0;
+ int ip_idx = getIPidx(dat, Outer_IP);
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ TTCN_logger.log(TTCN_DEBUG, "iplevel = %d, ip_idx = %d", Outer_IP, ip_idx);
+
+ if (hasvalue)
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ field().tos2() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ field().ttl2() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ field().df2() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ field().pr2() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 3);
+ field().ipx2() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 2);
+ field().nbo2() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 1);
+ field().rnd2() = BITSTRING(1, &ctemp);
+ dat->context.ip__ctx()[ip_idx].rnd__bit() = BOOLEAN(ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ field().i2__bit() = BITSTRING(1, &ctemp);
+ len += 1;
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_ipx_headers_opt(unsigned char *buf, OPTIONAL < IP__Ext__heads > &field,
+ t_dat *dat, bool hasvalue, int ip_idx)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ TTCN_logger.log(TTCN_DEBUG, "present = %d, ip_idx = %d", hasvalue, ip_idx);
+
+ if (hasvalue)
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ field().cl() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ field().aseq() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ field().eseq() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ field().gseq() = BITSTRING(1, &ctemp);
+ ctemp = buf[len] & 0x0F;
+ field().res() = BITSTRING(4, &ctemp);
+ len += 1;
+
+ len +=
+ Get_AEGSeqnum_opt(field().ah__seq(), &buf[len], *field().aseq() == 1);
+ len +=
+ Get_AEGSeqnum_opt(field().esp__seq(), &buf[len], *field().eseq() == 1);
+ len +=
+ Get_AEGSeqnum_opt(field().gre__seq(), &buf[len], *field().gseq() == 1);
+
+ if (*field().cl() == 1)
+ {
+ len += Get_Compr_head_list(field().compr__head__list(), &buf[len],
+ Item__list::ALT_ip__item__list,
+ dat, ip_idx);
+ }
+ else
+ field().compr__head__list() = OMIT_VALUE;
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Inner_IP_fields_opt(unsigned char *buf,
+ OPTIONAL < Inner__IP__fields > &field,
+ OPTIONAL < Inner__IP__flags > &flags,
+ t_dat *dat, bool hasvalue)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (hasvalue)
+ {
+ len += Get_LIN1_opt(&buf[len], field().tos(), (*flags().tos()) == 1);
+ len += Get_LIN1_opt(&buf[len], field().ttl(), (*flags().ttl()) == 1);
+ len += Get_LIN1_opt(&buf[len], field().proto(), (*flags().pr()) == 1);
+ len += Get_ipx_headers_opt(&buf[len], field().ext__heads(), dat,
+ (*flags().ipx()) == 1, getIPidx(dat, Inner_IP));
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Outer_IP_fields_opt(unsigned char *buf,
+ OPTIONAL < Outer__IP__fields > &field,
+ OPTIONAL < Outer__IP__flags > &flags,
+ t_dat *dat, bool hasvalue)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (hasvalue)
+ {
+ len += Get_LIN1_opt(&buf[len], field().tos(), (*flags().tos2()) == 1);
+ len += Get_LIN1_opt(&buf[len], field().ttl(), (*flags().ttl2()) == 1);
+ len += Get_LIN1_opt(&buf[len], field().proto(), (*flags().pr2()) == 1);
+ len += Get_ipx_headers_opt(&buf[len], field().ext__heads(), dat,
+ (*flags().ipx2()) == 1, getIPidx(dat, Outer_IP));
+ len += Get_LIN2_BO_LAST_opt(&buf[len], field().ip__id(),
+ (*flags().i2__bit()) == 1);
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_RTP_flags_fields_opt(unsigned char *buf,
+ OPTIONAL < RTP__flags__fields > &field,
+ t_dat *dat, bool hasvalue)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ if (hasvalue)
+ {
+ field().mode() = (buf[len] >> 6) & 0x03;
+ ctemp = ShiftDownBit(buf[len], 5);
+ field().r__pt() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ field().m__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 3);
+ field().r__x() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 2);
+ field().csrc() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 1);
+ field().tss() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ field().tis() = BITSTRING(1, &ctemp);
+ len += 1;
+
+ if (*field().r__pt() == 1)
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ field().flags()().r__p() = BITSTRING(1, &ctemp);
+ field().flags()().rtp__pt() = buf[len] & 0x7F;
+ len += 1;
+ }
+ else
+ field().flags() = OMIT_VALUE;
+
+ if (*field().csrc() == 1)
+ {
+ len += Get_Compr_head_list(field().csrc__list(),
+ &buf[len], Item__list::ALT_csrc__item__list,
+ dat, 0);
+ }
+ else
+ field().csrc__list() = OMIT_VALUE;
+
+ len += Get_SDVL_field_opt(&buf[len], field().ts__stride(),
+ *field().tss() == 1);
+ len += Get_SDVL_field_opt(&buf[len], field().time__stride(),
+ *field().tis() == 1);
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile0_ROHC_Header(unsigned char *buf, t_dat *dat, int length,
+ Profile0__headers & p_header, int cid)
+{
+ unsigned char ctemp;
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (isIR(buf[len]))
+ {
+ Profile0__IR__packet & bhead = p_header.ir();
+
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 1) & 0x7F;
+ bhead.type__ind() = BITSTRING(7, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ bhead.d() = BITSTRING(1, &ctemp);
+ len += 1;
+ len += Get_LIN1(&buf[len], bhead.profile());
+ dat->context.profile() = bhead.profile();
+ len += Get_LIN1(&buf[len], bhead.crc());
+ Get_octetstring(&buf[len], bhead.orig__packet(), length - len);
+ len = length;
+ }
+ else
+ {
+ Profile0__normal__packet & bhead = p_header.normal();
+ bhead.cid() = cid;
+ Get_octetstring(&buf[len], bhead.orig__packet(), length - len);
+ len = length;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_Dynamic_Chain(Dynamic__Chain & dynch,
+ const unsigned char *buf, t_dat *dat)
+{
+ int len = 0, num;
+
+ Log_function_name_on_enter();
+
+ for (num = 0; num < dat->context.ip__ctx().size_of(); num++)
+ {
+ if (dat->context.ip__ctx()[num].version() == 4)
+ {
+ len += Get_ipv4_dynamic(&buf[len], dynch[num].ipv4__dyn(), dat, num);
+ }
+ else if (dat->context.ip__ctx()[num].version() == 6)
+ {
+ len += Get_ipv6_dynamic(&buf[len], dynch[num].ipv6__dyn(), dat, num);
+ }
+ else
+ {
+ int ipver = dat->context.ip__ctx()[num].version();
+ TTCN_error("Invalid IP version %u on level %d", ipver, num);
+ }
+ }
+
+ num = dynch.size_of();
+ len += Get_udp_dynamic_wo_sn(&buf[len], dynch[num].udp__dyn(), dat);
+
+ num = dynch.size_of();
+ len += Get_rtp_dynamic(&buf[len], dynch[num].rtp__dyn(), dat);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_Static_Chain(unsigned char *buf, Static__Chain & chain,
+ t_dat *dat)
+{
+ int len = 0, num = 0, nextheader = 0;
+
+ Log_function_name_on_enter();
+
+ while (nextheader != c__ip__proto__udp)
+ {
+ if (((buf[len] >> 4) & 0x0F) == 4)
+ {
+ initIPcontext(dat, num, 4);
+ len += Get_ipv4_static(&buf[len], chain[num].ipv4__stat());
+ nextheader = chain[num].ipv4__stat().proto();
+ }
+ else if (((buf[len] >> 4) & 0x0F) == 6)
+ {
+ initIPcontext(dat, num, 6);
+ len += Get_ipv6_static(&buf[len], chain[num].ipv6__stat());
+ nextheader = chain[num].ipv6__stat().nexthead();
+ }
+ else
+ {
+ TTCN_error("Invalid IP version %u on level %u (nextheader = %d)",
+ buf[len], num, nextheader);
+ }
+ num += 1;
+ }
+
+ len += Get_udp_static(&buf[len], chain[num].udp__stat());
+ num += 1;
+
+ len += Get_rtp_static(&buf[len], chain[num].rtp__stat());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_extension0(unsigned char *buf, Extension0 & ext,
+ t_dat *dat)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ ext.ext__type() = BITSTRING(2, &ctemp);
+ ext.sn() = (buf[len] >> 3) & 0x07;
+ ext.plust() = buf[len] & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_extension1(unsigned char *buf, Extension1 & ext,
+ t_dat *dat)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ ext.ext__type() = BITSTRING(2, &ctemp);
+ ext.sn() = (buf[len] >> 3) & 0x07;
+ ext.plust() = buf[len] & 0x07;
+ len += 1;
+ ext.minust() = buf[len];
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_extension2(unsigned char *buf, Extension2 & ext,
+ t_dat *dat)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ ext.ext__type() = BITSTRING(2, &ctemp);
+ ext.sn() = (buf[len] >> 3) & 0x07;
+ ext.plust() = ((buf[len] & 0x07) << 8) + (buf[len + 1] & 0xFF);
+ len += 2;
+ ext.minust() = buf[len];
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_extension3(unsigned char *buf, Extension3 & ext,
+ t_dat *dat)
+{
+ int len = 0;
+ int ts_length = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ ext.ext__type() = BITSTRING(2, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ ext.s__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ ext.r__ts__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 3);
+ ext.tsc__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 2);
+ ext.i__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 1);
+ ext.ip__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ ext.rtp__bit() = BITSTRING(1, &ctemp);
+ len += 1;
+
+ len += Get_Inner_IP_flags_opt(&buf[len], ext.inner__ip__flags(),
+ dat, *ext.ip__bit() == 1);
+
+ len += Get_Outer_IP_flags_opt(&buf[len], ext.outer__ip__flags(), dat,
+ (ext.inner__ip__flags().ispresent() &&
+ (*ext.inner__ip__flags()().ip2__bit()) == 1));
+
+ len += Get_LIN1_opt(&buf[len], ext.sn(), *ext.s__bit() == 1);
+ ts_length = Get_SDVL_field_opt(&buf[len], ext.ts(), *ext.r__ts__bit() == 1);
+ if (ts_length > 0)
+ {
+ ext.ts__length()() = ts_length;
+ }
+ else
+ {
+ ext.ts__length() = OMIT_VALUE;
+ }
+ len += ts_length;
+ len += Get_Inner_IP_fields_opt(&buf[len], ext.inner__ip__hdr(),
+ ext.inner__ip__flags(), dat,
+ *ext.ip__bit() == 1);
+
+ len += Get_LIN2_BO_LAST_opt(&buf[len], ext.ip__id(), *ext.i__bit() == 1);
+ len += Get_Outer_IP_fields_opt(&buf[len], ext.outer__ip__hdr(),
+ ext.outer__ip__flags(), dat,
+ (ext.inner__ip__flags().ispresent() &&
+ (*ext.inner__ip__flags()().ip2__bit()) == 1));
+
+ len += Get_RTP_flags_fields_opt(&buf[len], ext.rtp__fl__fi(), dat,
+ *ext.rtp__bit() == 1);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_extensions_opt(unsigned char *buf,
+ OPTIONAL < Profile1__Extension > &ext,
+ t_dat *dat, bool hasvalue)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (hasvalue)
+ {
+ if ((buf[len] & 0xC0) == 0)
+ {
+ len += Get_Profile1_extension0(&buf[len], ext().ext0(), dat);
+ }
+ else if ((buf[len] & 0xC0) == 0x40)
+ {
+ len += Get_Profile1_extension1(&buf[len], ext().ext1(), dat);
+ }
+ else if ((buf[len] & 0xC0) == 0x80)
+ {
+ len += Get_Profile1_extension2(&buf[len], ext().ext2(), dat);
+ }
+ else /* if ((buf[len] & 0xC0) == 0xC0) */
+ {
+ len += Get_Profile1_extension3(&buf[len], ext().ext3(), dat);
+ }
+ }
+ else
+ {
+ ext = OMIT_VALUE;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_ir(unsigned char *buf, Profile1__IR__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::IR);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 1) & 0x7F;
+ bhead.type__ind() = BITSTRING(7, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ bhead.d() = BITSTRING(1, &ctemp);
+ len += 1;
+
+ len += Get_LIN1(&buf[len], bhead.profile());
+ dat->context.profile() = bhead.profile();
+ len += Get_LIN1(&buf[len], bhead.crc());
+
+ len += Get_Profile1_Static_Chain(&buf[len], bhead.stat__chain(), dat);
+
+ if (*bhead.d() == 1)
+ len += Get_Profile1_Dynamic_Chain(bhead.dyn__chain(), &buf[len], dat);
+ else
+ bhead.dyn__chain() = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_irdyn(unsigned char *buf,
+ Profile1__IR__DYN__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::IR__DYN);
+ bhead.cid() = cid;
+ bhead.type__ind() = BITSTRING(8, &buf[len]);
+ len += 1;
+ len += Get_LIN1(&buf[len], bhead.profile());
+ dat->context.profile() = bhead.profile();
+ len += Get_LIN1(&buf[len], bhead.crc());
+
+ len += Get_Profile1_Dynamic_Chain(bhead.dyn__chain(), &buf[len], dat);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_r0(unsigned char *buf,
+ Profile1__R__0__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::R__0);
+
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_r0crc(unsigned char *buf,
+ Profile1__R__0__CRC__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::R__0__CRC);
+
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ ctemp = (buf[len] << 1) & 0x7E;
+ len += 1;
+ ctemp += ShiftDownBit(buf[len], 7);
+ bhead.sn() = ctemp;
+ bhead.crc() = buf[len] & 0x7F;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_uo0(unsigned char *buf,
+ Profile1__UO__0__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UO__0);
+ bhead.cid() = cid;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.type__ind() = BITSTRING(1, &ctemp);
+ bhead.sn() = (buf[len] >> 3) & 0x0F;
+ bhead.crc() = buf[len] & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_r1(unsigned char *buf,
+ Profile1__R__1__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile1__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::R__1);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.m__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.ts() = buf[len] & 0x3F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile1_extensions_opt(&buf[len], ext, dat,
+ *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_r1_id(unsigned char *buf,
+ Profile1__R__1__ID__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile1__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::R__1__ID);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.m__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ bhead.t__bit() = BITSTRING(1, &ctemp);
+ bhead.ip__id() = buf[len] & 0x1F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile1_extensions_opt(&buf[len], ext, dat,
+ *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_r1_ts(unsigned char *buf,
+ Profile1__R__1__TS__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile1__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::R__1__TS);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.m__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ bhead.t__bit() = BITSTRING(1, &ctemp);
+ bhead.ts() = buf[len] & 0x1F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile1_extensions_opt(&buf[len], ext, dat,
+ *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_uo1(unsigned char *buf,
+ Profile1__UO__1__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UO__1);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ bhead.ts() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.m__bit() = BITSTRING(1, &ctemp);
+ bhead.sn() = (buf[len] >> 3) & 0x0F;
+ bhead.crc() = buf[len] & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_uo1_id(unsigned char *buf,
+ Profile1__UO__1__ID__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile1__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UO__1__ID);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ bhead.t__bit() = BITSTRING(1, &ctemp);
+ bhead.ip__id() = buf[len] & 0x1F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.sn() = (buf[len] >> 3) & 0x0F;
+ bhead.crc() = buf[len] & 0x07;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile1_extensions_opt(&buf[len], ext,
+ dat, *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_uo1_ts(unsigned char *buf,
+ Profile1__UO__1__TS__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UO__1__TS);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ bhead.t__bit() = BITSTRING(1, &ctemp);
+ bhead.ts() = buf[len] & 0x1F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.m__bit() = BITSTRING(1, &ctemp);
+ bhead.sn() = (buf[len] >> 3) & 0x0F;
+ bhead.crc() = buf[len] & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_uor2(unsigned char *buf,
+ Profile1__UOR__2__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile1__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UOR__2);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 5) & 0x07;
+ bhead.type__ind() = BITSTRING(3, &ctemp);
+ ctemp = (buf[len] & 0x1F) << 1;
+ len += 1;
+ ctemp += ShiftDownBit(buf[len], 7);
+ bhead.ts() = ctemp;
+ ctemp = ShiftDownBit(buf[len], 6);
+ bhead.m__bit() = BITSTRING(1, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.crc() = buf[len] & 0x7F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile1_extensions_opt(&buf[len], ext,
+ dat, *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_uor2_id(unsigned char *buf,
+ Profile1__UOR__2__ID__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile1__Extension > & ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UOR__2__ID);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 5) & 0x07;
+ bhead.type__ind() = BITSTRING(3, &ctemp);
+ bhead.ip__id() = buf[len] & 0x1F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.t__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ bhead.m__bit() = BITSTRING(1, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.crc() = buf[len] & 0x7F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile1_extensions_opt(&buf[len], ext,
+ dat, *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header_uor2_ts(unsigned char *buf,
+ Profile1__UOR__2__TS__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile1__Extension > & ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UOR__2__TS);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 5) & 0x07;
+ bhead.type__ind() = BITSTRING(3, &ctemp);
+ bhead.ts() = buf[len] & 0x1F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.t__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ bhead.m__bit() = BITSTRING(1, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.crc() = buf[len] & 0x7F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile1_extensions_opt(&buf[len], ext,
+ dat, *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile1_ROHC_Header(unsigned char *buf, t_dat *dat, int length,
+ Profile1__headers & hdr, int cid)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (isIR(buf[len]))
+ {
+ len += Get_Profile1_ROHC_Header_ir(&buf[len],
+ hdr.base__header().ir(), dat, cid);
+ }
+ else if (isIRDYN(buf[len]))
+ {
+ len += Get_Profile1_ROHC_Header_irdyn(&buf[len],
+ hdr.base__header().ir__dyn(),
+ dat, cid);
+ }
+ else if (isUOR2(buf[len]))
+ {
+ if (isAnyIPv4RNDunset(dat))
+ {
+ if (buf[len + 1] & 0x80) // T = 1
+ {
+ len += Get_Profile1_ROHC_Header_uor2_ts(&buf[len],
+ hdr.base__header().
+ uor__2__ts(), dat, cid,
+ hdr.ext());
+ }
+ else // T = 0
+ {
+ len += Get_Profile1_ROHC_Header_uor2_id(&buf[len],
+ hdr.base__header().
+ uor__2__id(), dat, cid,
+ hdr.ext());
+ }
+ }
+ else // at least one RND is unset
+ {
+ len += Get_Profile1_ROHC_Header_uor2(&buf[len],
+ hdr.base__header().uor__2(),
+ dat, cid, hdr.ext());
+ }
+ }
+ else if (dat->context.mode() == ROHC_mode_R)
+ {
+ if ((buf[len] & 0xC0) == 0)
+ {
+ len += Get_Profile1_ROHC_Header_r0(&buf[len],
+ hdr.base__header().r__0(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x40)
+ {
+ len += Get_Profile1_ROHC_Header_r0crc(&buf[len],
+ hdr.base__header().r__0__crc(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x80) // PT-1
+ {
+ if (isAnyIPv4RNDunset(dat))
+ {
+ if (buf[len + 1] & 0x20) // T = 1
+ {
+ len += Get_Profile1_ROHC_Header_r1_ts(&buf[len],
+ hdr.base__header().r__1__ts(),
+ dat, cid, hdr.ext());
+ }
+ else // T = 0
+ {
+ len += Get_Profile1_ROHC_Header_r1_id(&buf[len],
+ hdr.base__header().r__1__id(),
+ dat, cid, hdr.ext());
+ }
+ }
+ else // at least one RND is unset
+ {
+ len += Get_Profile1_ROHC_Header_r1(&buf[len],
+ hdr.base__header().r__1(),
+ dat, cid, hdr.ext());
+ }
+ }
+ }
+ else if (dat->context.mode() != ROHC_mode_R) // U-O modes
+ {
+ if ((buf[len] & 0x80) == 0)
+ {
+ len += Get_Profile1_ROHC_Header_uo0(&buf[len],
+ hdr.base__header().uo__0(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x80) // PT-1
+ {
+ if (isAnyIPv4RNDunset(dat))
+ {
+ if (buf[len] & 0x20) // T = 1
+ {
+ len += Get_Profile1_ROHC_Header_uo1_ts(&buf[len],
+ hdr.base__header().uo__1__ts(),
+ dat, cid);
+ }
+ else // T = 0
+ {
+ len += Get_Profile1_ROHC_Header_uo1_id(&buf[len],
+ hdr.base__header().uo__1__id(),
+ dat, cid, hdr.ext());
+ }
+ }
+ else // at least one RND is unset
+ {
+ len += Get_Profile1_ROHC_Header_uo1(&buf[len],
+ hdr.base__header().uo__1(),
+ dat, cid);
+ }
+ }
+ }
+
+ if (!hdr.ext().is_bound())
+ hdr.ext() = OMIT_VALUE;
+ len += Get_IP_ID_compressed_opt(&buf[len], hdr.ip__id__outer(),
+ dat, Outer_IP);
+ len += Get_AH_data_opt(&buf[len], hdr.ah__outer(), dat, Outer_IP);
+ len += Get_GRE_cksum_opt(&buf[len], hdr.gre__cksum1(), dat, Outer_IP);
+ len += Get_IP_ID_compressed_opt(&buf[len], hdr.ip__id__inner(),
+ dat, Inner_IP);
+ len += Get_AH_data_opt(&buf[len], hdr.ah__inner(), dat, Inner_IP);
+ len += Get_GRE_cksum_opt(&buf[len], hdr.gre__cksum2(), dat, Inner_IP);
+ len += Get_UDP_cksum_opt(&buf[len], hdr.udp__cksum(), dat);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+} /* Get_Profile1_ROHC_Header */
+
+int
+Get_Profile2_Dynamic_Chain(Profile2__Dynamic__Chain & dynch,
+ const unsigned char *buf, t_dat *dat)
+{
+ int len = 0, num;
+
+ Log_function_name_on_enter();
+
+ for (num = 0; num < dat->context.ip__ctx().size_of(); num++)
+ {
+ if (dat->context.ip__ctx()[num].version() == 4)
+ {
+ len += Get_ipv4_dynamic(&buf[len], dynch[num].ipv4__dyn(), dat, num);
+ }
+ else if (dat->context.ip__ctx()[num].version() == 6)
+ {
+ len += Get_ipv6_dynamic(&buf[len], dynch[num].ipv6__dyn(), dat, num);
+ }
+ else
+ {
+ int ipver = dat->context.ip__ctx()[num].version();
+ TTCN_error("Invalid IP version %u on level %d", ipver, num);
+ }
+ }
+
+ num = dynch.size_of();
+ len += Get_udp_dynamic_w_sn(&buf[len], dynch[num].udp__dyn(), dat);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_extension0(unsigned char *buf, Profile2__Extension0 & ext,
+ t_dat *dat)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ ext.ext__type() = BITSTRING(2, &ctemp);
+ ext.sn() = (buf[len] >> 3) & 0x07;
+ ext.ip__id() = buf[len] & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_extension1(unsigned char *buf, Profile2__Extension1 & ext,
+ t_dat *dat)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ ext.ext__type() = BITSTRING(2, &ctemp);
+ ext.sn() = (buf[len] >> 3) & 0x07;
+ ext.ip__id() = ((buf[len] & 0x07) << 8) + (buf[len + 1] & 0xFF);
+ len += 2;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_extension2(unsigned char *buf, Profile2__Extension2 & ext,
+ t_dat *dat)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ ext.ext__type() = BITSTRING(2, &ctemp);
+ ext.sn() = (buf[len] >> 3) & 0x07;
+ ext.ip__id2() = ((buf[len] & 0x07) << 8) + (buf[len + 1] & 0xFF);
+ len += 2;
+ ext.ip__id() = buf[len];
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_Inner_IP_flags_opt(unsigned char *buf,
+ OPTIONAL < Profile2__Inner__IP__flags > &field,
+ t_dat *dat, bool hasvalue)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ if (hasvalue)
+ {
+ ctemp = ShiftDownBit(buf[len], 7);
+ field().tos() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ field().ttl() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ field().df() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ field().pr() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 3);
+ field().ipx() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 2);
+ field().nbo() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 1);
+ field().rnd__bit() = BITSTRING(1, &ctemp);
+ dat->context.ip__ctx()[getIPidx(dat, Inner_IP)].rnd__bit() = BOOLEAN(ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ field().reserved() = BITSTRING(1, &ctemp);
+ len += 1;
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_Inner_IP_fields_opt(unsigned char *buf,
+ OPTIONAL < Inner__IP__fields > &field,
+ OPTIONAL < Profile2__Inner__IP__flags >
+ &flags, t_dat *dat,
+ bool hasvalue)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (hasvalue)
+ {
+ len += Get_LIN1_opt(&buf[len], field().tos(), (*flags().tos()) == 1);
+ len += Get_LIN1_opt(&buf[len], field().ttl(), (*flags().ttl()) == 1);
+ len += Get_LIN1_opt(&buf[len], field().proto(), (*flags().pr()) == 1);
+ len += Get_ipx_headers_opt(&buf[len], field().ext__heads(), dat,
+ (*flags().ipx()) == 1, getIPidx(dat, Inner_IP));
+ }
+ else
+ field = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_extension3(unsigned char *buf, Profile2__Extension3 & ext,
+ t_dat *dat)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Profile2__Inner__IP__flags inipflags;
+
+ Log_function_name_on_enter();
+
+ ctemp = (buf[len] >> 6) & 0x03;
+ ext.ext__type() = BITSTRING(2, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ ext.s__bit() = BITSTRING(1, &ctemp);
+ ext.mode() = (buf[len] >> 3) & 0x03;
+ ctemp = ShiftDownBit(buf[len], 2);
+ ext.i__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 1);
+ ext.ip__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ ext.ip2__bit() = BITSTRING(1, &ctemp);
+ len += 1;
+
+ len +=
+ Get_Profile2_Inner_IP_flags_opt(&buf[len], ext.inner__ip__flags(),
+ dat, *ext.ip__bit() == 1);
+
+ len += Get_Outer_IP_flags_opt(&buf[len], ext.outer__ip__flags(), dat,
+ *ext.ip2__bit() == 1);
+
+ len += Get_LIN1_opt(&buf[len], ext.sn(), *ext.s__bit() == 1);
+
+ len += Get_Profile2_Inner_IP_fields_opt(&buf[len], ext.inner__ip__hdr(),
+ ext.inner__ip__flags(), dat,
+ *ext.ip__bit() == 1);
+
+ len += Get_LIN2_BO_LAST_opt(&buf[len], ext.ip__id(), *ext.i__bit() == 1);
+
+ len += Get_Outer_IP_fields_opt(&buf[len], ext.outer__ip__hdr(),
+ ext.outer__ip__flags(), dat,
+ *ext.ip2__bit() == 1);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_extensions_opt(unsigned char *buf,
+ OPTIONAL < Profile2__Extension > &ext,
+ t_dat *dat, bool hasvalue)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (hasvalue)
+ {
+ if ((buf[len] & 0xC0) == 0)
+ {
+ len += Get_Profile2_extension0(&buf[len], ext().ext0(), dat);
+ }
+ else if ((buf[len] & 0xC0) == 0x40)
+ {
+ len += Get_Profile2_extension1(&buf[len], ext().ext1(), dat);
+ }
+ else if ((buf[len] & 0xC0) == 0x80)
+ {
+ len += Get_Profile2_extension2(&buf[len], ext().ext2(), dat);
+ }
+ else /* if ((buf[len] & 0xC0) == 0xC0) */
+ {
+ len += Get_Profile2_extension3(&buf[len], ext().ext3(), dat);
+ }
+ }
+ else
+ {
+ ext = OMIT_VALUE;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_Static_Chain(unsigned char *buf, Profile2__Static__Chain & chain,
+ t_dat *dat)
+{
+ int len = 0, num = 0, nextheader = 0;
+
+ Log_function_name_on_enter();
+
+ while (nextheader != c__ip__proto__udp)
+ {
+ if (((buf[len] >> 4) & 0x0F) == 4)
+ {
+ initIPcontext(dat, num, 4);
+ len += Get_ipv4_static(&buf[len], chain[num].ipv4__stat());
+ nextheader = chain[num].ipv4__stat().proto();
+ }
+ else if (((buf[len] >> 4) & 0x0F) == 6)
+ {
+ initIPcontext(dat, num, 6);
+ len += Get_ipv6_static(&buf[len], chain[num].ipv6__stat());
+ nextheader = chain[num].ipv6__stat().nexthead();
+ }
+ else
+ {
+ TTCN_error("Invalid IP version %u on level %u", buf[len], num);
+ }
+ num += 1;
+ }
+
+ len += Get_udp_static(&buf[len], chain[num].udp__stat());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_ROHC_Header_ir(unsigned char *buf, Profile2__IR__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::IR);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 1) & 0x7F;
+ bhead.type__ind() = BITSTRING(7, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ bhead.d() = BITSTRING(1, &ctemp);
+ len += 1;
+ len += Get_LIN1(&buf[len], bhead.profile());
+ dat->context.profile() = bhead.profile();
+ len += Get_LIN1(&buf[len], bhead.crc());
+
+ len += Get_Profile2_Static_Chain(&buf[len], bhead.stat__chain(), dat);
+
+ if (*bhead.d() == 1)
+ len += Get_Profile2_Dynamic_Chain(bhead.dyn__chain(), &buf[len], dat);
+ else
+ bhead.dyn__chain() = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_ROHC_Header_irdyn(unsigned char *buf,
+ Profile2__IR__DYN__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::IR__DYN);
+ bhead.cid() = cid;
+ bhead.type__ind() = BITSTRING(8, &buf[len]);
+ len += 1;
+ len += Get_LIN1(&buf[len], bhead.profile());
+ dat->context.profile() = bhead.profile();
+ len += Get_LIN1(&buf[len], bhead.crc());
+
+ len += Get_Profile2_Dynamic_Chain(bhead.dyn__chain(), &buf[len], dat);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_ROHC_Header_r1(unsigned char *buf,
+ Profile2__R__1__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile2__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::R__1);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.ip__id() = buf[len] & 0x7F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile2_extensions_opt(&buf[len], ext,
+ dat, *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_ROHC_Header_uo1(unsigned char *buf,
+ Profile2__UO__1__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UO__1);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ bhead.ip__id() = buf[len] & 0x3F;
+ len += 1;
+ bhead.sn() = (buf[len] >> 3) & 0x1F;
+ bhead.crc() = buf[len] & 0x07;
+ len += 1;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_ROHC_Header_uor2(unsigned char *buf,
+ Profile2__UOR__2__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile2__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UOR__2);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 5) & 0x07;
+ bhead.type__ind() = BITSTRING(3, &ctemp);
+ bhead.sn() = buf[len] & 0x1F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.crc() = buf[len] & 0x7F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile2_extensions_opt(&buf[len], ext,
+ dat, *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile2_ROHC_Header(unsigned char *buf, int length,
+ Profile2__headers & hdr,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (isIR(buf[len]))
+ {
+ len += Get_Profile2_ROHC_Header_ir(&buf[len],
+ hdr.base__header().ir(), dat, cid);
+ }
+ else if (isIRDYN(buf[len]))
+ {
+ len += Get_Profile2_ROHC_Header_irdyn(&buf[len],
+ hdr.base__header().ir__dyn(),
+ dat, cid);
+ }
+ else if (isUOR2(buf[len]))
+ {
+ len += Get_Profile2_ROHC_Header_uor2(&buf[len],
+ hdr.base__header().uor__2(),
+ dat, cid, hdr.ext());
+ }
+ else if (dat->context.mode() == ROHC_mode_R)
+ {
+ if ((buf[len] & 0xC0) == 0)
+ {
+ len += Get_Profile1_ROHC_Header_r0(&buf[len],
+ hdr.base__header().r__0(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x40)
+ {
+ len += Get_Profile1_ROHC_Header_r0crc(&buf[len],
+ hdr.base__header().r__0__crc(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x80)
+ {
+ len += Get_Profile2_ROHC_Header_r1(&buf[len],
+ hdr.base__header().r__1(),
+ dat, cid, hdr.ext());
+ }
+ else
+ {
+ TTCN_error("Unknown compressed packet (R mode) (0x%02x)", buf[len]);
+ }
+ }
+ else if (dat->context.mode() != ROHC_mode_R) // U-O modes
+ {
+ if ((buf[len] & 0x80) == 0)
+ {
+ len += Get_Profile1_ROHC_Header_uo0(&buf[len],
+ hdr.base__header().uo__0(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x80)
+ {
+ len += Get_Profile2_ROHC_Header_uo1(&buf[len],
+ hdr.base__header().uo__1(),
+ dat, cid);
+ }
+ else
+ {
+ TTCN_error("Unknown compressed packet (U-O mode) (0x%02x)", buf[len]);
+ }
+ }
+
+ if (!hdr.ext().is_bound())
+ hdr.ext() = OMIT_VALUE;
+ len += Get_IP_ID_compressed_opt(&buf[len], hdr.ip__id__outer(),
+ dat, Outer_IP);
+ len += Get_AH_data_opt(&buf[len], hdr.ah__outer(), dat, Outer_IP);
+ len += Get_GRE_cksum_opt(&buf[len], hdr.gre__cksum1(), dat, Outer_IP);
+ len += Get_IP_ID_compressed_opt(&buf[len], hdr.ip__id__inner(),
+ dat, Inner_IP);
+ len += Get_AH_data_opt(&buf[len], hdr.ah__inner(), dat, Inner_IP);
+ len += Get_GRE_cksum_opt(&buf[len], hdr.gre__cksum2(), dat, Inner_IP);
+ len += Get_UDP_cksum_opt(&buf[len], hdr.udp__cksum(), dat);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+} /* Get_Profile2_ROHC_Header */
+
+int
+Get_Profile4_ipv4_dynamic(const unsigned char *buf,
+ Profile4__IPv4__Dynamic & chain,
+ t_dat *dat, int ip_level)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ len += Get_LIN1(&buf[len], chain.tos());
+ len += Get_LIN1(&buf[len], chain.ttl());
+ len += Get_LIN2_BO_LAST(&buf[len], chain.identification());
+ ctemp = ShiftDownBit(buf[len], 7);
+ chain.df__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 6);
+ chain.rnd__bit() = BITSTRING(1, &ctemp);
+ dat->context.ip__ctx()[ip_level].rnd__bit() = BOOLEAN(ctemp);
+ ctemp = ShiftDownBit(buf[len], 5);
+ chain.nbo__bit() = BITSTRING(1, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 4);
+ chain.sid__bit() = BITSTRING(1, &ctemp);
+ ctemp = buf[len] & 0x0F;
+ chain.reserved() = BITSTRING(4, &ctemp);
+ len += 1;
+ len += Get_Encoding_Type_0(chain.genextheadlist(),
+ &buf[len], Item__list::ALT_ip__item__list,
+ dat, ip_level);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile4_Dynamic_Chain(Profile4__Dynamic__Chain & dynch,
+ const unsigned char *buf, t_dat *dat)
+{
+ int len = 0, num;
+
+ Log_function_name_on_enter();
+
+ for (num = 0; num < dat->context.ip__ctx().size_of() && num < 2; num++)
+ {
+ if (dat->context.ip__ctx()[num].version() == 4)
+ {
+ len += Get_Profile4_ipv4_dynamic(&buf[len], dynch[num].ipv4__dyn(),
+ dat, num);
+ }
+ else if (dat->context.ip__ctx()[num].version() == 6)
+ {
+ len += Get_ipv6_dynamic(&buf[len], dynch[num].ipv6__dyn(), dat, num);
+ }
+ else
+ {
+ int ipver = dat->context.ip__ctx()[num].version();
+ TTCN_error("Invalid IP version %u on level %d", ipver, num);
+ }
+ }
+
+ num = dynch.size_of();
+ len += Get_LIN2_BO_LAST(&buf[len], dynch[num].sn());
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile4_Additional_Dynamic_Chain_opt(OPTIONAL < Profile4__Dynamic__Chain >
+ &dynch,
+ const unsigned char *buf,
+ t_dat *dat)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (dat->context.ip__ctx().size_of() > 2)
+ {
+ for (int num = 2; num < dat->context.ip__ctx().size_of(); num++)
+ {
+ if (dat->context.ip__ctx()[num].version() == 4)
+ {
+ len += Get_Profile4_ipv4_dynamic(&buf[len],
+ dynch()[num - 2].ipv4__dyn(),
+ dat, num);
+ }
+ else if (dat->context.ip__ctx()[num].version() == 6)
+ {
+ len += Get_ipv6_dynamic(&buf[len], dynch()[num - 2].ipv6__dyn(),
+ dat, num);
+ }
+ else
+ {
+ int ipver = dat->context.ip__ctx()[num].version();
+ TTCN_error("Invalid IP version %u on level %d", ipver, num);
+ }
+ }
+ }
+ else
+ dynch = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile4_Static_Chain(unsigned char *buf, Profile4__Static__Chain & chain,
+ t_dat *dat)
+{
+ int len = 0, num = 0, nextheader = 0;
+ bool terminated = false;
+
+ Log_function_name_on_enter();
+
+ do
+ {
+ /* Version does not include the MSB bit of the version field */
+ int ver = (buf[len] >> 4) & 0x07;
+
+ terminated = (buf[len] & 0x80 > 0) ? true : false;
+ if (ver == c__ip__version__ipv4)
+ {
+ // version is stored with the MSB bit
+ initIPcontext(dat, num, (buf[len] >> 4) & 0x0F);
+ len += Get_ipv4_static(&buf[len], chain[num].ipv4__stat());
+ nextheader = chain[num].ipv4__stat().proto();
+ }
+ else if (ver == c__ip__version__ipv6)
+ {
+ // version is stored with the MSB bit
+ initIPcontext(dat, num, (buf[len] >> 4) & 0x0F);
+ len += Get_ipv6_static(&buf[len], chain[num].ipv6__stat());
+ nextheader = chain[num].ipv6__stat().nexthead();
+ }
+ else
+ {
+ TTCN_error("Invalid IP version %u on level %u", ver, num);
+ }
+ /* Explicit MSB termination */
+ if (terminated)
+ {
+ TTCN_logger.log(TTCN_DEBUG, "MSB static chain termination on level %u",
+ num);
+ }
+ num += 1;
+ }
+ while ((nextheader == c__ip__proto__ipv4 || nextheader == c__ip__proto__ipv6) &&
+ !terminated);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile4_ROHC_Header_ir(unsigned char *buf, Profile4__IR__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::IR);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 1) & 0x7F;
+ bhead.type__ind() = BITSTRING(7, &ctemp);
+ ctemp = ShiftDownBit(buf[len], 0);
+ bhead.d() = BITSTRING(1, &ctemp);
+ len += 1;
+ len += Get_LIN1(&buf[len], bhead.profile());
+ dat->context.profile() = bhead.profile();
+ len += Get_LIN1(&buf[len], bhead.crc());
+
+ len += Get_Profile4_Static_Chain(&buf[len], bhead.stat__chain(), dat);
+
+ if (*bhead.d() == 1)
+ len += Get_Profile4_Dynamic_Chain(bhead.dyn__chain(), &buf[len], dat);
+ else
+ bhead.dyn__chain() = OMIT_VALUE;
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile4_ROHC_Header_irdyn(unsigned char *buf,
+ Profile4__IR__DYN__header & bhead,
+ t_dat *dat, int cid)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::IR__DYN);
+ bhead.cid() = cid;
+ bhead.type__ind() = BITSTRING(8, &buf[len]);
+ len += 1;
+ len += Get_LIN1(&buf[len], bhead.profile());
+ dat->context.profile() = bhead.profile();
+ len += Get_LIN1(&buf[len], bhead.crc());
+
+ len += Get_Profile4_Dynamic_Chain(bhead.dyn__chain(), &buf[len], dat);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile4_ROHC_Header_r1(unsigned char *buf,
+ Profile2__R__1__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile2__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::R__1);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 6) & 0x03;
+ bhead.type__ind() = BITSTRING(2, &ctemp);
+ bhead.sn() = buf[len] & 0x3F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.ip__id() = buf[len] & 0x7F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile2_extensions_opt(&buf[len], ext,
+ dat, *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile4_ROHC_Header_uor2(unsigned char *buf,
+ Profile2__UOR__2__header & bhead,
+ t_dat *dat, int cid,
+ OPTIONAL < Profile2__Extension > &ext)
+{
+ int len = 0;
+ unsigned char ctemp;
+
+ Log_function_name_on_enter();
+
+ dat->context.pkt() = Packet__type(Packet__type::UOR__2);
+ bhead.cid() = cid;
+ ctemp = (buf[len] >> 5) & 0x07;
+ bhead.type__ind() = BITSTRING(3, &ctemp);
+ bhead.sn() = buf[len] & 0x1F;
+ len += 1;
+ ctemp = ShiftDownBit(buf[len], 7);
+ bhead.x__bit() = BITSTRING(1, &ctemp);
+ bhead.crc() = buf[len] & 0x7F;
+ len += 1;
+
+ if (*bhead.x__bit())
+ {
+ len += Get_Profile2_extensions_opt(&buf[len], ext,
+ dat, *bhead.x__bit());
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+int
+Get_Profile4_ROHC_Header(unsigned char *buf, int length,
+ Profile4__headers & hdr, t_dat *dat,
+ int cid)
+{
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ if (isIR(buf[len]))
+ {
+ len += Get_Profile4_ROHC_Header_ir(&buf[len],
+ hdr.base__header().ir(), dat, cid);
+ }
+ else if (isIRDYN(buf[len]))
+ {
+ len += Get_Profile4_ROHC_Header_irdyn(&buf[len],
+ hdr.base__header().ir__dyn(),
+ dat, cid);
+ }
+ else if (isUOR2(buf[len]))
+ {
+ len += Get_Profile4_ROHC_Header_uor2(&buf[len],
+ hdr.base__header().uor__2(),
+ dat, cid, hdr.ext());
+ }
+ else if (dat->context.mode() == ROHC_mode_R)
+ {
+ if ((buf[len] & 0xC0) == 0)
+ {
+ len += Get_Profile1_ROHC_Header_r0(&buf[len],
+ hdr.base__header().r__0(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x40)
+ {
+ len += Get_Profile1_ROHC_Header_r0crc(&buf[len],
+ hdr.base__header().r__0__crc(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x80)
+ {
+ len += Get_Profile4_ROHC_Header_r1(&buf[len],
+ hdr.base__header().r__1(),
+ dat, cid, hdr.ext());
+ }
+ else
+ {
+ TTCN_error("Unknown compressed packet (R mode) (0x%02x)", buf[len]);
+ }
+ }
+ else if (dat->context.mode() != ROHC_mode_R) // U-O modes
+ {
+ if ((buf[len] & 0x80) == 0)
+ {
+ len += Get_Profile1_ROHC_Header_uo0(&buf[len],
+ hdr.base__header().uo__0(),
+ dat, cid);
+ }
+ else if ((buf[len] & 0xC0) == 0x80)
+ {
+ len += Get_Profile2_ROHC_Header_uo1(&buf[len],
+ hdr.base__header().uo__1(),
+ dat, cid);
+ }
+ else
+ {
+ TTCN_error("Unknown compressed packet (U-O modes) (0x%02x)", buf[len]);
+ }
+ }
+
+ if (!hdr.ext().is_bound())
+ hdr.ext() = OMIT_VALUE;
+ len += Get_IP_ID_compressed_opt(&buf[len], hdr.ip__id__outer(),
+ dat, Outer_IP);
+ len += Get_AH_data_opt(&buf[len], hdr.ah__outer(), dat, Outer_IP);
+ len += Get_GRE_cksum_opt(&buf[len], hdr.gre__cksum1(), dat, Outer_IP);
+ len += Get_IP_ID_compressed_opt(&buf[len], hdr.ip__id__inner(),
+ dat, Inner_IP);
+ len += Get_AH_data_opt(&buf[len], hdr.ah__inner(), dat, Inner_IP);
+ len += Get_GRE_cksum_opt(&buf[len], hdr.gre__cksum2(), dat, Inner_IP);
+ len += Get_Profile4_Additional_Dynamic_Chain_opt(hdr.additional__IP(),
+ &buf[len], dat);
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+} /* Get_Profile4_ROHC_Header */
+
+int
+Get_ROHC_Header(const unsigned char *p_buf,
+ int length, Header & p_header, ROHC__config & config)
+{
+ unsigned char buf[MAX_PACKET_SIZE];
+ int len = 0, cidlen = 0;
+ INTEGER cid;
+
+ Log_function_name_on_enter();
+
+ memcpy(buf, p_buf, length);
+
+ if (config.large__cid())
+ {
+ /* Skip packet type octet */
+ cidlen = Get_CID(&p_buf[1], cid, config);
+ /* Move the packet type octet right after the CID */
+ buf[cidlen] = buf[0];
+ }
+ else
+ {
+ cidlen = Get_CID(&p_buf[0], cid, config);
+ }
+ len += cidlen;
+
+ if (isIR(buf[len]) || isIRDYN(buf[len]))
+ {
+ config.context()[cid].profile() = buf[len + 1];
+ }
+
+ t_dat dat = initTDAT(config, cid);
+ initCIDcontext(&dat);
+
+ switch (config.context()[cid].profile())
+ {
+ case 0:
+ len += Get_Profile0_ROHC_Header(&buf[len], &dat,
+ length - cidlen, p_header.prof0(),
+ (int) cid);
+ break;
+ case 1:
+ len += Get_Profile1_ROHC_Header(&buf[len], &dat, length - cidlen,
+ p_header.prof1(), (int) cid);
+ break;
+ case 2:
+ len += Get_Profile2_ROHC_Header(&buf[len], length - cidlen,
+ p_header.prof2(), &dat,
+ (int) cid);
+ break;
+ case 4:
+ len += Get_Profile4_ROHC_Header(&buf[len], length - cidlen,
+ p_header.prof4(), &dat,
+ (int) cid);
+ break;
+ default:
+ break;
+ }
+
+ Log_hexdump(buf, len);
+ Log_function_name_on_leave();
+
+ return len;
+}
+
+ROHC__packet__u
+f__ROHC__dec(OCTETSTRING const &data, ROHC__config & p_config)
+{
+ ROHC__packet__u packet;
+ OPTIONAL < Padding > padding;
+ OPTIONAL < Feedback > feedback;
+ const unsigned char *buf = (const unsigned char *) data;
+ int len = 0;
+
+ Log_function_name_on_enter();
+
+ Log_object(p_config);
+
+ // Processing padding
+ Log_hexdump(buf, data.lengthof() - len);
+ len += Get_ROHC_Padding(&buf[len], data.lengthof() - len, padding, p_config);
+ // Processing feedback
+ len += Get_ROHC_Feedback(&buf[len], data.lengthof() - len, feedback, p_config);
+ // Processing ROHC header
+ if ((buf[len] & 0xFE) == 0xFE)
+ {
+ packet.segment().padding() = padding;
+ packet.segment().feedback() = feedback;
+ packet.segment().segment__header__id() = 0x7F;
+ if (ShiftDownBit(buf[len], 0))
+ {
+ packet.segment().final() = BOOLEAN(true);
+ len += 1;
+ if (data.lengthof() - len < 4)
+ {
+ packet.segment().payload() =
+ OCTETSTRING(data.lengthof() - len, &buf[len]);
+ len = data.lengthof();
+ packet.segment().crc() = OMIT_VALUE;
+ }
+ else
+ {
+ packet.segment().payload() =
+ OCTETSTRING(data.lengthof() - len - 4, &buf[len]);
+ len = data.lengthof() - 4;
+ packet.segment().crc() =
+ ((buf[len] << 24) & 0xFF000000) +
+ ((buf[len + 1] << 16) & 0xFF0000) +
+ ((buf[len + 2] << 8) & 0xFF00) + (buf[len + 3] & 0xFF);
+ }
+ }
+ else
+ {
+ packet.segment().final() = BOOLEAN(false);
+ len += 1;
+ packet.segment().payload() =
+ OCTETSTRING(data.lengthof() - len, &buf[len]);
+ packet.segment().crc() = OMIT_VALUE;
+ }
+
+ }
+ else
+ {
+ packet.rohc().padding() = padding;
+ packet.rohc().feedback() = feedback;
+ len += Get_ROHC_Header(&buf[len],
+ data.lengthof() - len, packet.rohc().header(),
+ p_config);
+ if (data.lengthof() == len)
+ {
+ packet.rohc().payload() = OMIT_VALUE;
+ }
+ else
+ {
+ packet.rohc().payload() = OCTETSTRING(data.lengthof() - len, &buf[len]);
+ }
+ }
+
+ TTCN_logger.begin_event(TTCN_DEBUG);
+ p_config.log();
+ packet.log();
+ TTCN_logger.end_event();
+
+ Log_function_name_on_leave();
+
+ return packet;
+}
+
+INTEGER
+f__ROHC__CRC(OCTETSTRING const &data, INTEGER const &crclen)
+{
+ const unsigned char *buf = (const unsigned char *) data;
+ INTEGER crcval;
+ int crclength = crclen;
+
+ Log_function_name_on_enter();
+
+ TTCN_logger.log(TTCN_DEBUG, "Calculating CRC-%d over:", crclength);
+ Log_hexdump(buf, data.lengthof());
+
+ crcval = INTEGER(ComputeCRC(&(buf[0]), data.lengthof(), crclength));
+ Log_function_name_on_leave();
+ return crcval;
+}
+
+OCTETSTRING
+f__FBCK__enc(Feedback__data const &feedback_data, ROHC__config const &config)
+{
+ unsigned char buf[MAX_PACKET_SIZE];
+ int len = 0, crcpos = 0;
+ INTEGER cid;
+
+ Log_function_name_on_enter();
+
+ cid = feedback_data.cid();
+ if (config.large__cid() == false)
+ {
+ if (cid > 0)
+ {
+ buf[len] = 0xE0 + (cid & 0x0F);
+ len += 1;
+ }
+ }
+ else
+ len += Set_SDVL_field(&buf[len], cid, 0);
+ switch (feedback_data.feedback__type().get_selection())
+ {
+ case Feedback__type::ALT_feedback1:
+ const unsigned char *tempbuf;
+ tempbuf =
+ (const unsigned char *) feedback_data.feedback__type().feedback1();
+ buf[len] = tempbuf[0];
+ len += 1;
+ break;
+ case Feedback__type::ALT_feedback2:
+ {
+ Feedback2 fback2;
+ fback2 = feedback_data.feedback__type().feedback2();
+ buf[len] = (fback2.acktype() << 6) & 0xC0;
+ buf[len] += (fback2.mode() << 4) & 0x30;
+ buf[len] += (fback2.sn() >> 8) & 0x0F;
+ len += 1;
+ buf[len] = fback2.sn() & 0xFF;
+ len += 1;
+ if (fback2.feedback__opts().ispresent())
+ {
+ Feedback__opts & fbopts = fback2.feedback__opts();
+ for (int num2 = 0; num2 < fbopts.size_of(); num2++)
+ {
+ buf[len] = (fbopts[num2].opt__type() << 4) & 0xF0;
+ buf[len] += fbopts[num2].opt__len() & 0x0F;
+ len += 1;
+ len += Set_octetstring_opt(&buf[len], fbopts[num2].opt__data());
+ if (fbopts[num2].opt__data().ispresent())
+ {
+ OCTETSTRING opt;
+ opt = fbopts[num2].opt__data();
+ if (fbopts[num2].opt__len() != opt.lengthof())
+ TTCN_logger.
+ log(TTCN_WARNING,
+ "Feedback option length mismatch: %d, %d",
+ (int) fbopts[num2].opt__len(), opt.lengthof());
+ else
+ if ((fbopts[num2].opt__len() == 1)
+ && (fbopts[num2].opt__type() == 1) && (buf[len - 1] == 0))
+ crcpos = len - 1;
+ }
+ }
+ }
+ break;
+ }
+
+ default:
+ break;
+ }
+
+ if ((crcpos > 0) && (buf[crcpos] == 0))
+ buf[crcpos] = ComputeCRC(&(buf[0]), len, 8);
+
+ Log_function_name_on_leave();
+
+ return OCTETSTRING(len, &(buf[0]));
+}
+
+Feedback__data
+f__FBCK__dec(OCTETSTRING const &data, ROHC__config const &config)
+{
+ Feedback__data feedback_data;
+ const unsigned char *buf;
+ unsigned char ctemp;
+ int len = 0, fbsize, cidlen = 0;
+ buf = (const unsigned char *) data;
+ fbsize = data.lengthof();
+
+ Log_function_name_on_enter();
+
+ if (config.large__cid() == false)
+ {
+ if ((buf[len] & 0xF0) == 0xE0)
+ {
+ feedback_data.cid() = buf[len] & 0x0F;
+ len += 1;
+ fbsize -= 1;
+ }
+ else
+ feedback_data.cid() = 0;
+ }
+ else
+ {
+ cidlen = Get_SDVL_field(&buf[len], feedback_data.cid());
+ len += cidlen;
+ fbsize -= cidlen;
+ }
+
+ if (fbsize == 1)
+ {
+ feedback_data.feedback__type().feedback1() = OCTETSTRING(1, &buf[len]);
+ len += 1;
+ }
+ else if (fbsize >= 1)
+ {
+ int optnum;
+ Feedback__opts fbopts;
+ Feedback2 feedback2;
+ feedback2.acktype() = (buf[len] >> 6) & 0x03;
+ feedback2.mode() = (buf[len] >> 4) & 0x03;
+ ctemp = buf[len] & 0x0F;
+ len += 1;
+ fbsize -= 1;
+ feedback2.sn() = ((ctemp << 8) & 0x0F00) + buf[len];
+ len += 1;
+ fbsize -= 1;
+ optnum = 0;
+ feedback2.feedback__opts() = OMIT_VALUE;
+ while (fbsize)
+ {
+ fbopts[optnum].opt__type() = (buf[len] >> 4) & 0x0F;
+ fbopts[optnum].opt__len() = buf[len] & 0x0F;
+ len += 1;
+ fbsize -= 1;
+ if (fbopts[optnum].opt__len())
+ {
+ len += Get_octetstring(&buf[len], fbopts[optnum].opt__data(),
+ fbopts[optnum].opt__len());
+ fbsize -= fbopts[optnum].opt__len();
+ }
+ else
+ fbopts[optnum].opt__data() = OMIT_VALUE;
+ feedback2.feedback__opts() = fbopts;
+ optnum += 1;
+ }
+
+ feedback_data.feedback__type().feedback2() = feedback2;
+ }
+ else
+ TTCN_logger.log(TTCN_WARNING, "Size mismatch in feedback(%d)", fbsize);
+
+ Log_function_name_on_leave();
+
+ return feedback_data;
+}
+
+}//namespace
diff --git a/ROHC_CNL113426_LATEST/src/ROHC_Types.ttcn b/ROHC_CNL113426_LATEST/src/ROHC_Types.ttcn new file mode 100644 index 00000000..5ca513ee --- /dev/null +++ b/ROHC_CNL113426_LATEST/src/ROHC_Types.ttcn @@ -0,0 +1,1079 @@ +/////////////////////////////////////////////////////////////////////////////// +// // +// Copyright Test Competence Center(TCC) ETH 2003 // +// // +// The copyright to the computer program(s) herein is the property of TCC. // +// The program(s) may be used and/or copied only with the written permission // +// of TCC or in accordance with the terms and conditions stipulated in the // +// agreement/contract under which the program(s) has been supplied. // +// // +/////////////////////////////////////////////////////////////////////////////// +// +// File: ROHC_Types.ttcn +// Description: ROHC +// Rev: R3A01 +// Prodnr: CNL 113 426 +// Updated: 2006.04.13 +// Contact: http://ttcn.ericsson.se +// + +/* Based on RFC 3095, July 2001 */ + +/* TODO: improvements:: +- Profile4_Dynamic_Chain_u should not contain the sn field + +ethesi */ + +module ROHC_Types +{ +import from General_Types all; + +external function f_ROHC_enc(in ROHC_packet_u pdu, in ROHC_config p_config) +return octetstring; +external function f_ROHC_dec(in octetstring data, inout ROHC_config p_config) +return ROHC_packet_u; +external function f_ROHC_CRC(in octetstring data, in integer crclen) +return integer; +external function f_FBCK_enc(in Feedback_data pdu, in ROHC_config p_config) +return octetstring; +external function f_FBCK_dec(in octetstring data, in ROHC_config p_config) +return Feedback_data; + +/* Constants for ROHC mode field values including mode cancellation */ +const integer cg_ROHC_mode_C := 0; +const integer cg_ROHC_mode_U := 1; +const integer cg_ROHC_mode_O := 2; +const integer cg_ROHC_mode_R := 3; + +/* Constants for ROHC feedback type */ +const integer cg_ROHC_fbck_type_ACK := 0; +const integer cg_ROHC_fbck_type_NACK := 1; +const integer cg_ROHC_fbck_type_SNACK := 2; +const integer cg_ROHC_fbck_type_reserved := 3; + +type bitstring ROHC_BIT7_BO_LAST length (7) with {variant "BYTEORDER(last)"}; + +type enumerated Packet_type { R_0(0), R_0_CRC(1), UO_0(2), R_1(3), R_1_ID(4), + R_1_TS(5), UO_1(6), UO_1_ID(7), UO_1_TS(8), UOR_2(9), UOR_2_ID(10), + UOR_2_TS(11), IR(12), IR_DYN(13), NOPKT(14) }; + +/* ==================== ROHC configuration and context ==================== */ + + type record IP_context { + /* Version of this IP level. MSB bit may be set (Profile 4 only). */ + integer version, + /* RND bit of this IP level (RND or RND2) */ + boolean rnd_bit, + /* Whether AH is present in the IPX index list */ + boolean ah_present, + /* Whether GRE is present in the IPX index list */ + boolean gre_present, + /* Whether ESP is present in the IPX index list */ + boolean esp_present, + /* Length of the compressed AH data field after the base header */ + integer ah_data_len, + /* Whether GRE header has GRE checksum or not */ + boolean gre_cksum_present + }; + + type record UDP_context { + boolean udp_cksum + }; + + type record of IP_context IP_contexts; + + type record ROHC_context { + integer mode, + integer profile, + /* The decoded packet type */ + Packet_type pkt, + IP_contexts ip_ctx, + UDP_context udp_ctx + }; + + type record of integer int_array; + + type record of ROHC_context ROHC_context_rof; + + type record ROHC_config { + boolean large_cid, + int_array rtp_ports, + ROHC_context_rof context + }; + + type port ROHC_ASP_SP_PT message + { + inout ROHC_packet_u; + inout octetstring; + } with { extension "internal" } + + + /* ROHC Configuration port */ + type record ROHC_ROHCCFG_REQ_setconfig + { + ROHC_config config + } + + type enumerated ROHC_ROHCCFG_REQ_operation { rohccfg_getconfig } + + type union ROHC_ROHCCFG_REQ + { + ROHC_ROHCCFG_REQ_operation simpleop, + ROHC_ROHCCFG_REQ_setconfig setconfig + } + + type enumerated ROHC_ROHCCFG_RSP_operation { rohccfg_ok } + + type record ROHC_ROHCCFG_RSP_config + { + ROHC_config config + } + + type union ROHC_ROHCCFG_RSP + { + ROHC_ROHCCFG_RSP_operation simpleop, + ROHC_ROHCCFG_RSP_config config + } + + type port ROHC_PORTCFG_PT message + { + inout ROHC_config; + inout charstring; + inout ROHC_ROHCCFG_REQ; + inout ROHC_ROHCCFG_RSP; + } with { extension "internal" } + + type union ROHC_packet_u + { + ROHC_packet rohc, + Segment_packet segment + } + + type record ROHC_packet /* p.42 */ + { + Padding padding optional, + Feedback feedback optional, + Header header, + Payload payload optional + }; + +/* TODO CHECK: why this is needed ? +type record Reconstructed_unit +{ + octetstring reconstructed_packet, + OCT4 CRC +}; */ + + type record Segment_packet /* p.50 */ + { + Padding padding optional, + Feedback feedback optional, + INT7b segment_header_id, /* Must be 127 (0x7F) */ + boolean final, + Payload payload optional, + integer crc optional + }; + + type octetstring Padding; /* Must be a serie of 0xE0 */ + type octetstring Payload; + + type OCT1n Feedback1; /* p.91 */ + + type record Feedback_opts_u /* p.91 */ + { + INT4b opt_type, + INT4b opt_len, + octetstring opt_data optional + }; + + type record of Feedback_opts_u Feedback_opts; /* p.91 */ + + type record Feedback2 /* p.91 */ + { + INT2b acktype, + INT2b mode, + INT12b_BO_LAST sn, + Feedback_opts feedback_opts optional + }; + + type union Feedback_type /* p.46 */ + { + Feedback1 feedback1, + Feedback2 feedback2 + }; + + type record Feedback_data /* p.46 */ + { + INT14b_BO_LAST cid, + Feedback_type feedback_type + }; + + type record Feedback_u /* p.45 */ + { + BIT5 feedback_type, /* Must be '11110'B */ + INT3b code, + LIN1 size optional, + /* TODO: size could be 0, so feedback_data should be optional; + although it's a weird case, but still possible */ + Feedback_data feedback_data + }; + + type record of Feedback_u Feedback; /* p.42 */ + + type union Header /* p.77 */ + { + Profile0_headers prof0, + Profile1_headers prof1, + Profile2_headers prof2, + Profile4_headers prof4 + }; + + //Profile0 + + type union Profile0_headers + { + Profile0_IR_packet ir, + Profile0_normal_packet normal + }; + + type record Profile0_IR_packet /* p.127 */ + { + INT14b_BO_LAST cid, + BIT7 type_ind, /* Must be '1111110'B */ + BIT1 d, /* Must be 0 */ + LIN1 profile, /* Must be 0 */ + LIN1 crc, + octetstring orig_packet + }; + + type record Profile0_normal_packet /* p.128 */ + { + INT14b_BO_LAST cid, + octetstring orig_packet + }; + + //Profile1 + + type record Profile1_headers /* p.77 */ + { + Profile1_base_header base_header, + Profile1_Extension ext optional, + LIN2_BO_LAST ip_id_outer optional, + octetstring ah_outer optional, + LIN2_BO_LAST gre_cksum1 optional, + LIN2_BO_LAST ip_id_inner optional, + octetstring ah_inner optional, + LIN2_BO_LAST gre_cksum2 optional, + LIN2_BO_LAST udp_cksum optional + }; + + type union Profile1_base_header + { + Profile1_IR_header ir, + Profile1_IR_DYN_header ir_dyn, + Profile1_R_0_header r_0, + Profile1_R_0_CRC_header r_0_crc, + Profile1_UO_0_header uo_0, + Profile1_R_1_header r_1, + Profile1_R_1_ID_header r_1_id, + Profile1_R_1_TS_header r_1_ts, + Profile1_UO_1_header uo_1, + Profile1_UO_1_ID_header uo_1_id, + Profile1_UO_1_TS_header uo_1_ts, + Profile1_UOR_2_header uor_2, + Profile1_UOR_2_ID_header uor_2_id, + Profile1_UOR_2_TS_header uor_2_ts + }; + + type union Static_Chain_u /* p.91 */ + { + IPv4_Static ipv4_stat, + IPv6_Static ipv6_stat, + UDP_Static udp_stat, + RTP_Static rtp_stat, + ESP_Static esp_stat + }; + + type union Dynamic_Chain_u /* p.91 */ + { + IPv4_Dynamic ipv4_dyn, + IPv6_Dynamic ipv6_dyn, + UDP_Dynamic udp_dyn, + RTP_Dynamic rtp_dyn, + ESP_Dynamic esp_dyn + }; + + type record of Static_Chain_u Static_Chain; /* p.91 */ + + type record of Dynamic_Chain_u Dynamic_Chain; /* p.91 */ + + type record Profile1_IR_header /* p.45 */ /* p.91 */ + { + INT14b_BO_LAST cid, + BIT7 type_ind, /* Must be '1111110'B */ + BIT1 d, + LIN1 profile, /* Must be 1 */ + LIN1 crc, + Static_Chain stat_chain, + Dynamic_Chain dyn_chain optional + }; + + type record Profile1_IR_DYN_header /* p.46 */ /* p.92 */ + { + INT14b_BO_LAST cid, + BIT8 type_ind, /* Must be '11111000'B */ + LIN1 profile, /* Must be 1 */ + LIN1 crc, + Dynamic_Chain dyn_chain + }; + + type record Profile1_R_0_header /* p.74 */ + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '00'B */ + INT6b sn + }; + + type record Profile1_R_0_CRC_header /* p.74 */ + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '01'B */ + INT7b sn, + INT7b crc + }; + + type record Profile1_UO_0_header /* p.75 */ + { + INT14b_BO_LAST cid, + BIT1 type_ind, /* Must be '0'B */ + INT4b sn, + INT3b crc + }; + + type record Profile1_R_1_header /* p.75 */ + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '10'B */ + INT6b sn, + BIT1 m_bit, + BIT1 x_bit, + INT6b ts + }; + + type record Profile1_R_1_ID_header /* p.75 */ + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '10'B */ + INT6b sn, + BIT1 m_bit, + BIT1 x_bit, + BIT1 t_bit, /* Must be '0'B */ + INT5b ip_id + }; + + type record Profile1_R_1_TS_header /* p.75 */ + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '10'B */ + INT6b sn, + BIT1 m_bit, + BIT1 x_bit, + BIT1 t_bit, /* Must be '1'B */ + INT5b ts + }; + + type record Profile1_UO_1_header /* p.76 */ + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '10'B */ + INT6b ts, + BIT1 m_bit, + INT4b sn, + INT3b crc + }; + + type record Profile1_UO_1_ID_header /* p.76 */ + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '10'B */ + BIT1 t_bit, /* Must be '0'B */ + INT5b ip_id, + BIT1 x_bit, + INT4b sn, + INT3b crc + }; + + type record Profile1_UO_1_TS_header /* p.76 */ + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '10'B */ + BIT1 t_bit, /* Must be '1'B */ + INT5b ts, + BIT1 m_bit, + INT4b sn, + INT3b crc + }; + + type record Profile1_UOR_2_header /* p.77 */ + { + INT14b_BO_LAST cid, + BIT3 type_ind, /* Must be '110'B */ + INT6b ts, + BIT1 m_bit, + INT6b sn, + BIT1 x_bit, + INT7b crc + }; + + type record Profile1_UOR_2_ID_header /* p.77 */ + { + INT14b_BO_LAST cid, + BIT3 type_ind, /* Must be '110'B */ + INT5b ip_id, + BIT1 t_bit, /* Must be '0'B */ + BIT1 m_bit, + INT6b sn, + BIT1 x_bit, + INT7b crc + }; + + type record Profile1_UOR_2_TS_header /* p.77 */ + { + INT14b_BO_LAST cid, + BIT3 type_ind, /* Must be '110'B */ + INT5b ts, + BIT1 t_bit, /* Must be '1'B */ + BIT1 m_bit, + INT6b sn, + BIT1 x_bit, + INT7b crc + }; + + type record Short_Seqnum /* p.120 */ + { + BIT1 ind, /* Must be '0'B */ + INT7b lsb_of_seqnum + }; + + type record Long_Seqnum /* p.120 */ + { + BIT1 ind, /* Must be '1'B */ + INT31b_BO_LAST lsb_of_seqnum + }; + + type union AEGSeqnum /* p.112 */ + { + Short_Seqnum short_form, + Long_Seqnum long_form + }; + + type record XI_Item4_r /* p.121 */ + { + BIT1 x_ind, + INT3b index + }; + + type record XI_Item8_r /* p.121 */ + { + BIT1 x_ind, + INT7b index + }; + + type record of XI_Item4_r XI_Item4; + + type record of XI_Item8_r XI_Item8; + + type union XI_list /* p.113 */ + { + XI_Item4 xi_item4, + XI_Item8 xi_item8 + }; + + type record IPv6_ext_item + { + LIN1 nexthead, + LIN1 hdr_ext_len, + octetstring data + } + + type record MINE_item { + LIN1 protocol, + BIT1 s_bit, + ROHC_BIT7_BO_LAST reserved, + LIN2_BO_LAST cksum, + OCT4 dstaddr, + OCT4 srcaddr optional + } with { + variant "FIELDORDER(msb)"; + variant (srcaddr) "PRESENCE(s_bit = '1'B)"; + } + +/* TODO: check why better use INTn intead of OCTn */ + type record AH_item /* RFC 2402, p.3 */ + { + LIN1 nexthead, /* Must be 51 */ + LIN1 payload_len, + LIN2_BO_LAST reserved, /* Must be 0 */ + LIN4_BO_LAST spi, + LIN4_BO_LAST sn, + octetstring auth_data optional + } + + type record ESP_item + { + LIN1 nexthead, /* Must be 50 */ + LIN4_BO_LAST spi, + LIN4_BO_LAST sn + } + + type record GRE_item + { + LIN1 nexthead, /* Must be 47 */ + BIT1 C_bit, + BIT1 reserved_1, /* Must be '0'B */ + BIT1 K_bit, + BIT1 S_bit, + BIT1 reserved_2, /* Must be '0'B */ + BIT3 version, + LIN2_BO_LAST cksum optional, + LIN4_BO_LAST key optional, + LIN4_BO_LAST sn optional + } + + type union Item + { + IPv6_ext_item ipv6_ext_item, + AH_item ah_item, + ESP_item esp_item, + GRE_item gre_item, + MINE_item mine_item +/* TODO CHECK: could we use it ? + octetstring any_item */ + } + + type record of Item IP_Item_list; + + type record of OCT4n CSRC_Item_list; + + /* TODO: temporary solution for profile4 tests */ + type record of octetstring RAW_data; + + type union Item_list + { + CSRC_Item_list csrc_item_list, + IP_Item_list ip_item_list, + /* TODO: temporary solution for profile4 tests */ + RAW_data raw_data + } + + type record Enc_Type_0 /* p.112 */ + { + BIT2 et, /* Must be '00'B */ + BIT1 gp_bit, + BIT1 ps_bit, + INT4b cc, + LIN1 gen_id optional, + XI_list xi_list optional, + BIT4 padding optional, /* Must be '0000'B */ + Item_list item_list optional + }; + + type record Enc_Type_1 /* p.114 */ + { + BIT2 et, /* Must be '01'B */ + BIT1 gp_bit, + BIT1 ps_bit, + INT4b xi1, + LIN1 gen_id optional, + LIN1 ref_id, + octetstring insbitmask, + XI_list xi_list optional, + BIT4 padding optional, /* Must be '0000'B */ + Item_list item_list optional + }; + + type record Enc_Type_2 /* p.115 */ + { + BIT2 et, /* Must be '10'B */ + BIT1 gp_bit, + BIT1 res, + INT4b count, + LIN1 gen_id optional, + LIN1 ref_id, + octetstring rembitmask + }; + + type record Enc_Type_3 /* p.115 */ + { + BIT2 et, /* Must be '11'B */ + BIT1 gp_bit, + BIT1 ps_bit, + INT4b xi1, + LIN1 gen_id optional, + LIN1 ref_id, + octetstring rembitmask, + octetstring insbitmask, + XI_list xi_list optional, + BIT4 padding optional, /* Must be '0000'B */ + Item_list item_list optional + }; + + type record IPv4_Static /* p.94 */ + { + INT4b version, /* Must be '0100'B */ + INT4b reserved, /* Must be '0000'B */ + LIN1 proto, + OCT4 srcaddr, + OCT4 dstaddr + }; + + type record IPv4_Dynamic /* p.94 */ + { + LIN1 tos, + LIN1 ttl, + LIN2_BO_LAST identification, + BIT1 df_bit, + BIT1 rnd_bit, + BIT1 nbo_bit, + BIT5 reserved, /* Must be '00000'B */ + Enc_Type_0 genextheadlist + }; + + type record IPv6_Static /* p.93 */ + { + INT4b version, /* Must be '0110'B */ + INT20b_BO_LAST flowlabel, + LIN1 nexthead, + OCT16 srcaddr, + OCT16 dstaddr + }; + + type record IPv6_Dynamic /* p.93 */ + { + LIN1 trafficclass, + LIN1 hoplimit, + Enc_Type_0 genextheadlist + }; + + type record UDP_Static /* p.95 */ + { + LIN2_BO_LAST srcport, + LIN2_BO_LAST dstport + }; + + type record UDP_Dynamic /* p.95 */ + { + LIN2_BO_LAST cksum + }; + + type record RTP_Static /* p.96 */ + { + OCT4 ssrc + }; + + type record Rx_Field /* p.96 */ + { + BIT3 reserved, /* Must be '000'B */ + BIT1 xbit, + INT2b mode, + BIT1 tisbit, + BIT1 tssbit + }; + + type record RTP_Dynamic /* p.96 */ + { + INT2b vfield, /* Must be '10'B */ + BIT1 pbit, + BIT1 rxbit, + INT4b ccfield, + BIT1 mbit, + INT7b ptfield, + LIN2_BO_LAST rtpseqnum, + LIN4_BO_LAST rtpts, + Enc_Type_0 gencsrclist, + Rx_Field rx_field optional, + integer ts_stride optional, + integer time_stride optional + }; + + type record ESP_Static /* p.97 */ + { + LIN4_BO_LAST spi + }; + + type record ESP_Dynamic /* p.97 */ + { + LIN4_BO_LAST seqnum + }; + + type union Compr_head_list /* p.112 */ + { + Enc_Type_0 enctype0, + Enc_Type_1 enctype1, + Enc_Type_2 enctype2, + Enc_Type_3 enctype3 + }; + + type record IP_Ext_heads /* p.111 */ + { + BIT1 cl, + BIT1 aseq, + BIT1 eseq, + BIT1 gseq, + BIT4 res, + AEGSeqnum ah_seq optional, + AEGSeqnum esp_seq optional, + AEGSeqnum gre_seq optional, + Compr_head_list compr_head_list optional + }; + + type record Outer_IP_fields /* p.82 */ + { + LIN1 tos optional, + LIN1 ttl optional, + LIN1 proto optional, + IP_Ext_heads ext_heads optional, + LIN2_BO_LAST ip_id optional + }; + + type record Outer_IP_flags /* p.81 */ + { + BIT1 tos2, + BIT1 ttl2, + BIT1 df2, + BIT1 pr2, + BIT1 ipx2, + BIT1 nbo2, + BIT1 rnd2, + BIT1 i2_bit + }; + + type record Inner_IP_fields /* p.81 */ + { + LIN1 tos optional, + LIN1 ttl optional, + LIN1 proto optional, + IP_Ext_heads ext_heads optional + }; + + type record Inner_IP_flags /* p.80 */ + { + BIT1 tos, + BIT1 ttl, + BIT1 df, + BIT1 pr, + BIT1 ipx, + BIT1 nbo, + BIT1 rnd_bit, + BIT1 ip2_bit + }; + + type record RTP_flags + { + BIT1 r_p, + INT7b rtp_pt + } + + type record RTP_flags_fields /* p.82 */ + { + INT2b mode, + BIT1 r_pt, + BIT1 m_bit, + BIT1 r_x, + BIT1 csrc, + BIT1 tss, + BIT1 tis, + RTP_flags flags optional, + Compr_head_list csrc_list optional, + integer ts_stride optional, + integer time_stride optional + } + + type record Extension0 /* p.79 */ + { + BIT2 ext_type, /* Must be '00'B */ + INT3b sn, + INT3b plust + } + + type record Extension1 /* p.79 */ + { + BIT2 ext_type, /* Must be '01'B */ + INT3b sn, + INT3b plust, + LIN1 minust + }; + + type record Extension2 /* p.79 */ + { + BIT2 ext_type, /* Must be '10'B */ + INT3b sn, + INT11b_BO_LAST plust, + LIN1 minust + }; + + type record Extension3 /* p.79 */ + { + BIT2 ext_type, /* Must be '11'B */ + BIT1 s_bit, + BIT1 r_ts_bit, + BIT1 tsc_bit, + BIT1 i_bit, + BIT1 ip_bit, + BIT1 rtp_bit, + Inner_IP_flags inner_ip_flags optional, + Outer_IP_flags outer_ip_flags optional, + LIN1 sn optional, + integer ts optional, + /* This field contains the length of the SDVL encoded TS value counted in + octets. */ + integer ts_length optional, + Inner_IP_fields inner_ip_hdr optional, + LIN2_BO_LAST ip_id optional, + Outer_IP_fields outer_ip_hdr optional, + RTP_flags_fields rtp_fl_fi optional + }; + + type union Profile1_Extension /* p.79 */ + { + Extension0 ext0, + Extension1 ext1, + Extension2 ext2, + Extension3 ext3 + }; + + //Profile2 + + type record Profile2_headers /* p.77 */ + { + Profile2_base_header base_header, + Profile2_Extension ext optional, + LIN2_BO_LAST ip_id_outer optional, + octetstring ah_outer optional, + LIN2_BO_LAST gre_cksum1 optional, + LIN2_BO_LAST ip_id_inner optional, + octetstring ah_inner optional, + LIN2_BO_LAST gre_cksum2 optional, + LIN2_BO_LAST udp_cksum optional + }; + + type union Profile2_base_header + { + Profile2_IR_header ir, + Profile2_IR_DYN_header ir_dyn, + Profile1_R_0_header r_0, + Profile1_R_0_CRC_header r_0_crc, + Profile1_UO_0_header uo_0, + Profile2_R_1_header r_1, + Profile2_UO_1_header uo_1, + Profile2_UOR_2_header uor_2 + }; + + type union Profile2_Static_Chain_u + { + IPv4_Static ipv4_stat, + IPv6_Static ipv6_stat, + UDP_Static udp_stat + }; + + type record Profile2_UDP_Dynamic + { + LIN2_BO_LAST cksum, + LIN2_BO_LAST udp_sn + }; + + type union Profile2_Dynamic_Chain_u + { + IPv4_Dynamic ipv4_dyn, + IPv6_Dynamic ipv6_dyn, + Profile2_UDP_Dynamic udp_dyn + }; + + type record of Profile2_Static_Chain_u Profile2_Static_Chain; + + type record of Profile2_Dynamic_Chain_u Profile2_Dynamic_Chain; + + type record Profile2_IR_header + { + INT14b_BO_LAST cid, + BIT7 type_ind, /* Must be '1111110'B */ + BIT1 d, + LIN1 profile, /* Must be 2 */ + LIN1 crc, + Profile2_Static_Chain stat_chain, + Profile2_Dynamic_Chain dyn_chain optional + }; + + type record Profile2_IR_DYN_header /* p.46 */ /* p.92 */ + { + INT14b_BO_LAST cid, + BIT8 type_ind, /* Must be '11111000'B */ + LIN1 profile, /* Must be 2 */ + LIN1 crc, + Profile2_Dynamic_Chain dyn_chain + }; + + type record Profile2_R_1_header + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '10'B */ + INT6b sn, + BIT1 x_bit, + INT7b ip_id + }; + + type record Profile2_UO_1_header + { + INT14b_BO_LAST cid, + BIT2 type_ind, /* Must be '10'B */ + INT6b ip_id, + INT5b sn, + INT3b crc + }; + + type record Profile2_UOR_2_header + { + INT14b_BO_LAST cid, + BIT3 type_ind, /* Must be '110'B */ + INT5b sn, + BIT1 x_bit, + INT7b crc + }; + + type record Profile2_Inner_IP_flags + { + BIT1 tos, + BIT1 ttl, + BIT1 df, + BIT1 pr, + BIT1 ipx, + BIT1 nbo, + BIT1 rnd_bit, + BIT1 reserved /* Must be '0'B */ + }; + + type union Profile2_Extension + { + Profile2_Extension0 ext0, + Profile2_Extension1 ext1, + Profile2_Extension2 ext2, + Profile2_Extension3 ext3 + }; + + type record Profile2_Extension0 + { + BIT2 ext_type, /* Must be '00'B */ + INT3b sn, + INT3b ip_id + } + + type record Profile2_Extension1 + { + BIT2 ext_type, /* Must be '01'B */ + INT3b sn, + INT11b_BO_LAST ip_id + }; + + type record Profile2_Extension2 + { + BIT2 ext_type, /* Must be '10'B */ + INT3b sn, + INT11b_BO_LAST ip_id2, + LIN1 ip_id + }; + + type record Profile2_Extension3 + { + BIT2 ext_type, /* Must be '11'B */ + BIT1 s_bit, + INT2b mode, + BIT1 i_bit, + BIT1 ip_bit, + BIT1 ip2_bit, + Profile2_Inner_IP_flags inner_ip_flags optional, + Outer_IP_flags outer_ip_flags optional, + LIN1 sn optional, + Inner_IP_fields inner_ip_hdr optional, + LIN2_BO_LAST ip_id optional, + Outer_IP_fields outer_ip_hdr optional + }; + + //Profile4 + + type record Profile4_headers + { + Profile4_base_header base_header, + Profile2_Extension ext optional, + LIN2_BO_LAST ip_id_outer optional, + octetstring ah_outer optional, + LIN2_BO_LAST gre_cksum1 optional, + LIN2_BO_LAST ip_id_inner optional, + octetstring ah_inner optional, + LIN2_BO_LAST gre_cksum2 optional, + Profile4_Dynamic_Chain additional_IP optional + }; + + type union Profile4_base_header + { + Profile4_IR_header ir, + Profile4_IR_DYN_header ir_dyn, + Profile1_R_0_header r_0, + Profile1_R_0_CRC_header r_0_crc, + Profile1_UO_0_header uo_0, + Profile2_R_1_header r_1, + Profile2_UO_1_header uo_1, + Profile2_UOR_2_header uor_2 + }; + + type union Profile4_Static_Chain_u + { + IPv4_Static ipv4_stat, + IPv6_Static ipv6_stat + }; + + type record Profile4_IPv4_Dynamic + { + LIN1 tos, + LIN1 ttl, + LIN2_BO_LAST identification, + BIT1 df_bit, + BIT1 rnd_bit, + BIT1 nbo_bit, + BIT1 sid_bit, + BIT4 reserved, /* Must be '0000'B */ + Enc_Type_0 genextheadlist + }; + + type union Profile4_Dynamic_Chain_u + { + Profile4_IPv4_Dynamic ipv4_dyn, + IPv6_Dynamic ipv6_dyn, + LIN2_BO_LAST sn + }; + + type record of Profile4_Static_Chain_u Profile4_Static_Chain; + + type record of Profile4_Dynamic_Chain_u Profile4_Dynamic_Chain; + + type record Profile4_IR_header + { + INT14b_BO_LAST cid, + BIT7 type_ind, /* Must be '1111110'B */ + BIT1 d, + LIN1 profile, /* Must be 4 */ + LIN1 crc, + Profile4_Static_Chain stat_chain, + Profile4_Dynamic_Chain dyn_chain optional + }; + + type record Profile4_IR_DYN_header + { + INT14b_BO_LAST cid, + BIT8 type_ind, /* Must be '11111000'B */ + LIN1 profile, /* Must be 4 */ + LIN1 crc, + Profile4_Dynamic_Chain dyn_chain + }; + +} with { encode "RAW" } + |