From Stefano Pettini: RMT support for ALC and NORM.

svn path=/trunk/; revision=13029

1 files changed, 185 insertions, 0 deletions

diff --git a/epan/dissectors/packet-rmt-lct.h b/epan/dissectors/packet-rmt-lct.h
new file mode 100644
index 0000000000..9cf79448c3
--- /dev/null
+++ b/epan/dissectors/packet-rmt-lct.h
@@ -0,0 +1,185 @@
+/* packet-rmt-lct.h
+ * Reliable Multicast Transport (RMT)
+ * LCT Building Block function definitions
+ * Copyright 2005, Stefano Pettini <spettini@users.sourceforge.net>
+ *
+ * $Id$
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __PACKET_RMT_LCT__
+#define __PACKET_RMT_LCT__
+
+#include "packet-rmt-common.h"
+#include "packet-rmt-fec.h"
+
+/* Type definitions */
+/* ================ */
+
+/* Logical LCT header representation */
+struct _lct
+{
+	guint8 version;
+	guint8 cci_size;
+	guint8 tsi_size;
+	guint8 toi_size;
+	gboolean tsi_present;
+	gboolean toi_present;
+	gboolean sct_present;
+	gboolean ert_present;
+	gboolean close_session;
+	gboolean close_object;
+	guint16 hlen;
+	guint8 codepoint;
+	guint8 *cci;
+	guint64 tsi;
+	guint64 toi;
+	guint8 *toi_extended;
+	nstime_t sct;
+	nstime_t ert;
+	GArray *ext;
+};
+
+/* Ethereal stuff */
+/* ============== */
+
+/* LCT header field definitions */
+struct _lct_hf
+{
+	int header;
+	int version;
+	int fsize_header;
+	int fsize_cci;
+	int fsize_tsi;
+	int fsize_toi;
+	int flags_header;
+	int flags_sct_present;
+	int flags_ert_present;
+	int flags_close_session;
+	int flags_close_object;
+	int hlen;
+	int codepoint;
+	int cci;
+	int tsi;
+	int toi;
+	int toi_extended;
+	int sct;
+	int ert;
+	int ext;
+};
+
+/* LCT subtrees */
+struct _lct_ett
+{
+	gint main;
+	
+	gint fsize;
+	gint flags;
+	gint ext;
+	gint ext_ext;
+};
+
+/* LCT preferences */
+
+#define LCT_PREFS_EXT_192_NONE 0
+#define LCT_PREFS_EXT_192_FLUTE 1
+
+#define LCT_PREFS_EXT_193_NONE 0
+#define LCT_PREFS_EXT_193_FLUTE 1
+
+struct _lct_prefs
+{
+	gboolean codepoint_as_fec_encoding;
+	gint ext_192;
+	gint ext_193;
+};
+
+/* LCT pointers */
+struct _lct_ptr
+{
+	struct _lct *lct;
+	struct _lct_hf *hf;
+	struct _lct_ett *ett;
+	struct _lct_prefs *prefs;
+};
+
+/* Macros to generate static arrays */
+
+#define LCT_FIELD_ARRAY(base_structure, base_protocol)	\
+		{ &base_structure.header,	\
+			{ "Layered Coding Transport (LCT) header", base_protocol ".lct", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.version,	\
+			{ "Version", base_protocol ".lct.version", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.fsize_header,	\
+			{ "Field sizes (bytes)", base_protocol ".lct.fsize", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.fsize_cci,	\
+			{ "Congestion Control Information field size", base_protocol ".lct.fsize.cci", FT_UINT8,	BASE_DEC, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.fsize_tsi,	\
+			{ "Transport Session Identifier field size", base_protocol ".lct.fsize.tsi", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.fsize_toi,	\
+			{ "Transport Object Identifier field size", base_protocol ".lct.fsize.toi", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.flags_header,	\
+			{ "Flags", base_protocol ".lct.flags", FT_NONE, BASE_NONE, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.flags_sct_present,	\
+			{ "Sender Current Time present flag", base_protocol ".lct.flags.sct_present", FT_BOOLEAN, BASE_NONE, TFS(&boolean_set_notset), 0x0, "", HFILL }},	\
+		{ &base_structure.flags_ert_present,	\
+			{ "Expected Residual Time present flag", base_protocol ".lct.flags.ert_present", FT_BOOLEAN, BASE_NONE, TFS(&boolean_set_notset), 0x0, "", HFILL }},	\
+		{ &base_structure.flags_close_session,	\
+			{ "Close Session flag", base_protocol ".lct.flags.close_session", FT_BOOLEAN, BASE_NONE, TFS(&boolean_set_notset), 0x0, "", HFILL }},	\
+		{ &base_structure.flags_close_object,	\
+			{ "Close Object flag", base_protocol ".lct.flags.close_object", FT_BOOLEAN, BASE_NONE, TFS(&boolean_set_notset), 0x0, "", HFILL }},	\
+		{ &base_structure.hlen,	\
+			{ "Header length", base_protocol ".lct.hlen", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.codepoint,	\
+			{ "Codepoint", base_protocol ".lct.codepoint", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.cci,	\
+			{ "Congestion Control Information", base_protocol ".lct.cci", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.tsi,	\
+			{ "Transport Session Identifier", base_protocol ".lct.tsi", FT_UINT64, BASE_DEC, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.toi,	\
+			{ "Transport Object Identifier (up to 64 bites)", base_protocol ".lct.toi", FT_UINT64, BASE_DEC, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.toi_extended,	\
+			{ "Transport Object Identifier (up to 112 bits)", base_protocol ".lct.toi_extended", FT_BYTES, BASE_NONE, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.sct,	\
+			{ "Sender Current Time", base_protocol ".lct.sct", FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.ert,	\
+			{ "Expected Residual Time", base_protocol ".lct.ert", FT_RELATIVE_TIME, BASE_NONE, NULL, 0x0, "", HFILL }},	\
+		{ &base_structure.ext,	\
+			{ "Extension count", base_protocol ".lct.ext", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL }}
+
+#define LCT_SUBTREE_ARRAY(base_structure) \
+	&base_structure.main,	\
+	&base_structure.fsize,	\
+	&base_structure.flags,	\
+	&base_structure.ext,	\
+	&base_structure.ext_ext
+
+/* LCT exported functions */
+/* ====================== */
+
+void lct_info_column(struct _lct *lct, packet_info *pinfo);
+
+void lct_dissector(struct _lct_ptr l, struct _fec_ptr f, tvbuff_t *tvb, proto_tree *tree, guint *offset);
+void lct_dissector_free(struct _lct *lct);
+
+void lct_prefs_set_default(struct _lct_prefs *prefs);
+void lct_prefs_register(struct _lct_prefs *prefs, module_t *module);
+
+#endif