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-rw-r--r--tests/mgcp/mgcp_test.c1227
1 files changed, 1227 insertions, 0 deletions
diff --git a/tests/mgcp/mgcp_test.c b/tests/mgcp/mgcp_test.c
new file mode 100644
index 00000000..43a453af
--- /dev/null
+++ b/tests/mgcp/mgcp_test.c
@@ -0,0 +1,1227 @@
+/*
+ * (C) 2011-2012,2014 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2011-2012,2014 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#undef _GNU_SOURCE
+#define _GNU_SOURCE
+
+#include <openbsc/mgcp.h>
+#include <openbsc/vty.h>
+#include <openbsc/mgcp_internal.h>
+
+#include <osmocom/core/application.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/utils.h>
+#include <string.h>
+#include <limits.h>
+#include <dlfcn.h>
+#include <time.h>
+#include <math.h>
+
+char *strline_r(char *str, char **saveptr);
+
+const char *strline_test_data =
+ "one CR\r"
+ "two CR\r"
+ "\r"
+ "one CRLF\r\n"
+ "two CRLF\r\n"
+ "\r\n"
+ "one LF\n"
+ "two LF\n"
+ "\n"
+ "mixed (4 lines)\r\r\n\n\r\n";
+
+#define EXPECTED_NUMBER_OF_LINES 13
+
+static void test_strline(void)
+{
+ char *save = NULL;
+ char *line;
+ char buf[2048];
+ int counter = 0;
+
+ osmo_strlcpy(buf, strline_test_data, sizeof(buf));
+
+ for (line = strline_r(buf, &save); line;
+ line = strline_r(NULL, &save)) {
+ printf("line: '%s'\n", line);
+ counter++;
+ }
+
+ OSMO_ASSERT(counter == EXPECTED_NUMBER_OF_LINES);
+}
+
+#define AUEP1 "AUEP 158663169 ds/e1-1/2@172.16.6.66 MGCP 1.0\r\n"
+#define AUEP1_RET "200 158663169 OK\r\n"
+#define AUEP2 "AUEP 18983213 ds/e1-2/1@172.16.6.66 MGCP 1.0\r\n"
+#define AUEP2_RET "500 18983213 FAIL\r\n"
+#define EMPTY "\r\n"
+#define EMPTY_RET NULL
+#define SHORT "CRCX \r\n"
+#define SHORT_RET "510 000000 FAIL\r\n"
+
+#define MDCX_WRONG_EP "MDCX 18983213 ds/e1-3/1@172.16.6.66 MGCP 1.0\r\n"
+#define MDCX_ERR_RET "510 18983213 FAIL\r\n"
+#define MDCX_UNALLOCATED "MDCX 18983214 ds/e1-1/2@172.16.6.66 MGCP 1.0\r\n"
+#define MDCX_RET "400 18983214 FAIL\r\n"
+#define MDCX3 "MDCX 18983215 1@mgw MGCP 1.0\r\n"
+#define MDCX3_RET "200 18983215 OK\r\n" \
+ "I: 1\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "s=-\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 0 RTP/AVP 126\r\n" \
+ "a=rtpmap:126 AMR/8000\r\n" \
+ "a=ptime:20\r\n"
+#define MDCX3_FMTP_RET "200 18983215 OK\r\n" \
+ "I: 3\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 3 23 IN IP4 0.0.0.0\r\n" \
+ "s=-\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 0 RTP/AVP 126\r\n" \
+ "a=rtpmap:126 AMR/8000\r\n" \
+ "a=fmtp:126 0/1/2\r\n" \
+ "a=ptime:20\r\n"
+#define MDCX4 "MDCX 18983216 1@mgw MGCP 1.0\r\n" \
+ "M: sendrecv\r" \
+ "C: 2\r\n" \
+ "I: 1\r\n" \
+ "L: p:20, a:AMR, nt:IN\r\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 4441 RTP/AVP 99\r\n" \
+ "a=rtpmap:99 AMR/8000\r\n" \
+ "a=ptime:40\r\n"
+#define MDCX4_RET(Ident) "200 " Ident " OK\r\n" \
+ "I: 1\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "s=-\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 0 RTP/AVP 126\r\n" \
+ "a=rtpmap:126 AMR/8000\r\n" \
+ "a=ptime:20\r\n"
+
+#define MDCX4_PT1 "MDCX 18983217 1@mgw MGCP 1.0\r\n" \
+ "M: sendrecv\r" \
+ "C: 2\r\n" \
+ "I: 1\r\n" \
+ "L: p:20-40, a:AMR, nt:IN\r\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 4441 RTP/AVP 99\r\n" \
+ "a=rtpmap:99 AMR/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define MDCX4_PT2 "MDCX 18983218 1@mgw MGCP 1.0\r\n" \
+ "M: sendrecv\r" \
+ "C: 2\r\n" \
+ "I: 1\r\n" \
+ "L: p:20-20, a:AMR, nt:IN\r\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 4441 RTP/AVP 99\r\n" \
+ "a=rtpmap:99 AMR/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define MDCX4_PT3 "MDCX 18983219 1@mgw MGCP 1.0\r\n" \
+ "M: sendrecv\r" \
+ "C: 2\r\n" \
+ "I: 1\r\n" \
+ "L: a:AMR, nt:IN\r\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 4441 RTP/AVP 99\r\n" \
+ "a=rtpmap:99 AMR/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define MDCX4_SO "MDCX 18983220 1@mgw MGCP 1.0\r\n" \
+ "M: sendonly\r" \
+ "C: 2\r\n" \
+ "I: 1\r\n" \
+ "L: p:20, a:AMR, nt:IN\r\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 4441 RTP/AVP 99\r\n" \
+ "a=rtpmap:99 AMR/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define MDCX4_RO "MDCX 18983221 1@mgw MGCP 1.0\r\n" \
+ "M: recvonly\r" \
+ "C: 2\r\n" \
+ "I: 1\r\n" \
+ "L: p:20, a:AMR, nt:IN\r\n"
+
+#define SHORT2 "CRCX 1"
+#define SHORT2_RET "510 000000 FAIL\r\n"
+#define SHORT3 "CRCX 1 1@mgw"
+#define SHORT4 "CRCX 1 1@mgw MGCP"
+#define SHORT5 "CRCX 1 1@mgw MGCP 1.0"
+
+#define CRCX "CRCX 2 1@mgw MGCP 1.0\r\n" \
+ "M: recvonly\r\n" \
+ "C: 2\r\n" \
+ "X\r\n" \
+ "L: p:20\r\n" \
+ "\r\n" \
+ "v=0\r\n" \
+ "c=IN IP4 123.12.12.123\r\n" \
+ "m=audio 5904 RTP/AVP 97\r\n" \
+ "a=rtpmap:97 GSM-EFR/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define CRCX_RET "200 2 OK\r\n" \
+ "I: 1\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "s=-\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 0 RTP/AVP 126\r\n" \
+ "a=rtpmap:126 AMR/8000\r\n" \
+ "a=ptime:20\r\n"
+
+#define CRCX_RET_NO_RTPMAP "200 2 OK\r\n" \
+ "I: 1\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 1 23 IN IP4 0.0.0.0\r\n" \
+ "s=-\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 0 RTP/AVP 126\r\n" \
+ "a=ptime:20\r\n"
+
+#define CRCX_FMTP_RET "200 2 OK\r\n" \
+ "I: 3\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 3 23 IN IP4 0.0.0.0\r\n" \
+ "s=-\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 0 RTP/AVP 126\r\n" \
+ "a=rtpmap:126 AMR/8000\r\n" \
+ "a=fmtp:126 0/1/2\r\n" \
+ "a=ptime:20\r\n"
+
+#define CRCX_ZYN "CRCX 2 1@mgw MGCP 1.0\r" \
+ "M: recvonly\r" \
+ "C: 2\r\r" \
+ "v=0\r" \
+ "c=IN IP4 123.12.12.123\r" \
+ "m=audio 5904 RTP/AVP 97\r" \
+ "a=rtpmap:97 GSM-EFR/8000\r"
+
+#define CRCX_ZYN_RET "200 2 OK\r\n" \
+ "I: 2\n" \
+ "\n" \
+ "v=0\r\n" \
+ "o=- 2 23 IN IP4 0.0.0.0\r\n" \
+ "s=-\r\n" \
+ "c=IN IP4 0.0.0.0\r\n" \
+ "t=0 0\r\n" \
+ "m=audio 0 RTP/AVP 126\r\n" \
+ "a=rtpmap:126 AMR/8000\r\n" \
+ "a=ptime:20\r\n"
+
+#define DLCX "DLCX 7 1@mgw MGCP 1.0\r\n" \
+ "C: 2\r\n"
+
+#define DLCX_RET "250 7 OK\r\n" \
+ "P: PS=0, OS=0, PR=0, OR=0, PL=0, JI=0\r\n" \
+ "X-Osmo-CP: EC TIS=0, TOS=0, TIR=0, TOR=0\r\n"
+
+#define RQNT "RQNT 186908780 1@mgw MGCP 1.0\r\n" \
+ "X: B244F267488\r\n" \
+ "S: D/9\r\n"
+
+#define RQNT2 "RQNT 186908781 1@mgw MGCP 1.0\r\n" \
+ "X: ADD4F26746F\r\n" \
+ "R: D/[0-9#*](N), G/ft, fxr/t38\r\n"
+
+#define RQNT1_RET "200 186908780 OK\r\n"
+#define RQNT2_RET "200 186908781 OK\r\n"
+
+#define PTYPE_IGNORE 0 /* == default initializer */
+#define PTYPE_NONE 128
+#define PTYPE_NYI PTYPE_NONE
+
+#define CRCX_MULT_1 "CRCX 2 1@mgw MGCP 1.0\r\n" \
+ "M: recvonly\r\n" \
+ "C: 2\r\n" \
+ "X\r\n" \
+ "L: p:20\r\n" \
+ "\r\n" \
+ "v=0\r\n" \
+ "c=IN IP4 123.12.12.123\r\n" \
+ "m=audio 5904 RTP/AVP 18 97\r\n"\
+ "a=rtpmap:18 G729/8000\r\n" \
+ "a=rtpmap:97 GSM-EFR/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define CRCX_MULT_2 "CRCX 2 2@mgw MGCP 1.0\r\n" \
+ "M: recvonly\r\n" \
+ "C: 2\r\n" \
+ "X\r\n" \
+ "L: p:20\r\n" \
+ "\r\n" \
+ "v=0\r\n" \
+ "c=IN IP4 123.12.12.123\r\n" \
+ "m=audio 5904 RTP/AVP 18 97 101\r\n"\
+ "a=rtpmap:18 G729/8000\r\n" \
+ "a=rtpmap:97 GSM-EFR/8000\r\n" \
+ "a=rtpmap:101 FOO/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define CRCX_MULT_3 "CRCX 2 3@mgw MGCP 1.0\r\n" \
+ "M: recvonly\r\n" \
+ "C: 2\r\n" \
+ "X\r\n" \
+ "L: p:20\r\n" \
+ "\r\n" \
+ "v=0\r\n" \
+ "c=IN IP4 123.12.12.123\r\n" \
+ "m=audio 5904 RTP/AVP\r\n" \
+ "a=rtpmap:18 G729/8000\r\n" \
+ "a=rtpmap:97 GSM-EFR/8000\r\n" \
+ "a=rtpmap:101 FOO/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define CRCX_MULT_4 "CRCX 2 4@mgw MGCP 1.0\r\n" \
+ "M: recvonly\r\n" \
+ "C: 2\r\n" \
+ "X\r\n" \
+ "L: p:20\r\n" \
+ "\r\n" \
+ "v=0\r\n" \
+ "c=IN IP4 123.12.12.123\r\n" \
+ "m=audio 5904 RTP/AVP 18\r\n" \
+ "a=rtpmap:18 G729/8000\r\n" \
+ "a=rtpmap:97 GSM-EFR/8000\r\n" \
+ "a=rtpmap:101 FOO/8000\r\n" \
+ "a=ptime:40\r\n"
+
+#define CRCX_MULT_GSM_EXACT \
+ "CRCX 259260421 5@mgw MGCP 1.0\r\n" \
+ "C: 1355c6041e\r\n" \
+ "I: 3\r\n" \
+ "L: p:20, a:GSM, nt:IN\r\n" \
+ "M: recvonly\r\n" \
+ "\r\n" \
+ "v=0\r\n" \
+ "o=- 1439038275 1439038275 IN IP4 192.168.181.247\r\n" \
+ "s=-\r\nc=IN IP4 192.168.181.247\r\n" \
+ "t=0 0\r\nm=audio 29084 RTP/AVP 255 0 8 3 18 4 96 97 101\r\n" \
+ "a=rtpmap:0 PCMU/8000\r\n" \
+ "a=rtpmap:8 PCMA/8000\r\n" \
+ "a=rtpmap:3 gsm/8000\r\n" \
+ "a=rtpmap:18 G729/8000\r\n" \
+ "a=fmtp:18 annexb=no\r\n" \
+ "a=rtpmap:4 G723/8000\r\n" \
+ "a=rtpmap:96 iLBC/8000\r\n" \
+ "a=fmtp:96 mode=20\r\n" \
+ "a=rtpmap:97 iLBC/8000\r\n" \
+ "a=fmtp:97 mode=30\r\n" \
+ "a=rtpmap:101 telephone-event/8000\r\n" \
+ "a=fmtp:101 0-15\r\n" \
+ "a=recvonly\r\n"
+#define MDCX_NAT_DUMMY \
+ "MDCX 23 5@mgw MGCP 1.0\r\n" \
+ "C: 1355c6041e\r\n" \
+ "\r\n" \
+ "c=IN IP4 8.8.8.8\r\n" \
+ "m=audio 16434 RTP/AVP 255\r\n"
+
+
+struct mgcp_test {
+ const char *name;
+ const char *req;
+ const char *exp_resp;
+ int exp_net_ptype;
+ int exp_bts_ptype;
+
+ const char *extra_fmtp;
+};
+
+static const struct mgcp_test tests[] = {
+ { "AUEP1", AUEP1, AUEP1_RET },
+ { "AUEP2", AUEP2, AUEP2_RET },
+ { "MDCX1", MDCX_WRONG_EP, MDCX_ERR_RET },
+ { "MDCX2", MDCX_UNALLOCATED, MDCX_RET },
+ { "CRCX", CRCX, CRCX_RET, 97, 126 },
+ { "MDCX3", MDCX3, MDCX3_RET, PTYPE_NONE, 126 },
+ { "MDCX4", MDCX4, MDCX4_RET("18983216"), 99, 126 },
+ { "MDCX4_PT1", MDCX4_PT1, MDCX4_RET("18983217"), 99, 126 },
+ { "MDCX4_PT2", MDCX4_PT2, MDCX4_RET("18983218"), 99, 126 },
+ { "MDCX4_PT3", MDCX4_PT3, MDCX4_RET("18983219"), 99, 126 },
+ { "MDCX4_SO", MDCX4_SO, MDCX4_RET("18983220"), 99, 126 },
+ { "MDCX4_RO", MDCX4_RO, MDCX4_RET("18983221"), PTYPE_IGNORE, 126 },
+ { "DLCX", DLCX, DLCX_RET, -1, -1 },
+ { "CRCX_ZYN", CRCX_ZYN, CRCX_ZYN_RET, 97, 126 },
+ { "EMPTY", EMPTY, EMPTY_RET },
+ { "SHORT1", SHORT, SHORT_RET },
+ { "SHORT2", SHORT2, SHORT2_RET },
+ { "SHORT3", SHORT3, SHORT2_RET },
+ { "SHORT4", SHORT4, SHORT2_RET },
+ { "RQNT1", RQNT, RQNT1_RET },
+ { "RQNT2", RQNT2, RQNT2_RET },
+ { "DLCX", DLCX, DLCX_RET, -1, -1 },
+ { "CRCX", CRCX, CRCX_FMTP_RET, 97, 126, .extra_fmtp = "a=fmtp:126 0/1/2" },
+ { "MDCX3", MDCX3, MDCX3_FMTP_RET, PTYPE_NONE, 126 , .extra_fmtp = "a=fmtp:126 0/1/2" },
+ { "DLCX", DLCX, DLCX_RET, -1, -1 , .extra_fmtp = "a=fmtp:126 0/1/2" },
+};
+
+static const struct mgcp_test retransmit[] = {
+ { "CRCX", CRCX, CRCX_RET },
+ { "RQNT1", RQNT, RQNT1_RET },
+ { "RQNT2", RQNT2, RQNT2_RET },
+ { "MDCX3", MDCX3, MDCX3_RET },
+ { "DLCX", DLCX, DLCX_RET },
+};
+
+static struct msgb *create_msg(const char *str)
+{
+ struct msgb *msg;
+
+ msg = msgb_alloc_headroom(4096, 128, "MGCP msg");
+ int len = sprintf((char *)msg->data, "%s", str);
+ msg->l2h = msgb_put(msg, len);
+ return msg;
+}
+
+static int last_endpoint = -1;
+
+static int mgcp_test_policy_cb(struct mgcp_trunk_config *cfg, int endpoint,
+ int state, const char *transactio_id)
+{
+ fprintf(stderr, "Policy CB got state %d on endpoint %d\n",
+ state, endpoint);
+ last_endpoint = endpoint;
+ return MGCP_POLICY_CONT;
+}
+
+#define MGCP_DUMMY_LOAD 0x23
+static int dummy_packets = 0;
+/* override and forward */
+ssize_t sendto(int sockfd, const void *buf, size_t len, int flags,
+ const struct sockaddr *dest_addr, socklen_t addrlen)
+{
+ typedef ssize_t (*sendto_t)(int, const void *, size_t, int,
+ const struct sockaddr *, socklen_t);
+ static sendto_t real_sendto = NULL;
+ uint32_t dest_host = htonl(((struct sockaddr_in *)dest_addr)->sin_addr.s_addr);
+ int dest_port = htons(((struct sockaddr_in *)dest_addr)->sin_port);
+
+ if (!real_sendto)
+ real_sendto = dlsym(RTLD_NEXT, "sendto");
+
+ if (len == 1 && ((const char *)buf)[0] == MGCP_DUMMY_LOAD ) {
+ fprintf(stderr, "Dummy packet to 0x%08x:%d, msg length %zu\n%s\n\n",
+ dest_host, dest_port,
+ len, osmo_hexdump(buf, len));
+ dummy_packets += 1;
+ }
+
+ return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen);
+}
+
+static int64_t force_monotonic_time_us = -1;
+/* override and forward */
+int clock_gettime(clockid_t clk_id, struct timespec *tp)
+{
+ typedef int (*clock_gettime_t)(clockid_t clk_id, struct timespec *tp);
+ static clock_gettime_t real_clock_gettime = NULL;
+
+ if (!real_clock_gettime)
+ real_clock_gettime = dlsym(RTLD_NEXT, "clock_gettime");
+
+ if (clk_id == CLOCK_MONOTONIC && force_monotonic_time_us >= 0) {
+ tp->tv_sec = force_monotonic_time_us / 1000000;
+ tp->tv_nsec = (force_monotonic_time_us % 1000000) * 1000;
+ return 0;
+ }
+
+ return real_clock_gettime(clk_id, tp);
+}
+
+#define CONN_UNMODIFIED (0x1000)
+
+static void test_values(void)
+{
+ /* Check that NONE disables all output */
+ OSMO_ASSERT((MGCP_CONN_NONE & MGCP_CONN_RECV_SEND) == 0)
+
+ /* Check that LOOPBACK enables all output */
+ OSMO_ASSERT((MGCP_CONN_LOOPBACK & MGCP_CONN_RECV_SEND) ==
+ MGCP_CONN_RECV_SEND)
+}
+
+
+static void test_messages(void)
+{
+ struct mgcp_config *cfg;
+ struct mgcp_endpoint *endp;
+ int i;
+
+ cfg = mgcp_config_alloc();
+
+ cfg->trunk.number_endpoints = 64;
+ mgcp_endpoints_allocate(&cfg->trunk);
+
+ cfg->policy_cb = mgcp_test_policy_cb;
+
+ mgcp_endpoints_allocate(mgcp_trunk_alloc(cfg, 1));
+
+ /* reset endpoints */
+ for (i = 0; i < cfg->trunk.number_endpoints; i++) {
+ endp = &cfg->trunk.endpoints[i];
+ endp->net_end.codec.payload_type = PTYPE_NONE;
+ endp->net_end.packet_duration_ms = -1;
+
+ OSMO_ASSERT(endp->conn_mode == MGCP_CONN_NONE);
+ endp->conn_mode |= CONN_UNMODIFIED;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
+ const struct mgcp_test *t = &tests[i];
+ struct msgb *inp;
+ struct msgb *msg;
+
+ printf("Testing %s\n", t->name);
+
+ last_endpoint = -1;
+ dummy_packets = 0;
+
+ osmo_talloc_replace_string(cfg, &cfg->trunk.audio_fmtp_extra, t->extra_fmtp);
+
+ inp = create_msg(t->req);
+ msg = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ if (!t->exp_resp) {
+ if (msg)
+ printf("%s failed '%s'\n", t->name, (char *) msg->data);
+ } else if (strcmp((char *) msg->data, t->exp_resp) != 0)
+ printf("%s failed '%s'\n", t->name, (char *) msg->data);
+ msgb_free(msg);
+
+ if (dummy_packets)
+ printf("Dummy packets: %d\n", dummy_packets);
+
+ if (last_endpoint != -1) {
+ endp = &cfg->trunk.endpoints[last_endpoint];
+
+ if (endp->net_end.packet_duration_ms != -1)
+ printf("Detected packet duration: %d\n",
+ endp->net_end.packet_duration_ms);
+ else
+ printf("Packet duration not set\n");
+ if (endp->local_options.pkt_period_min ||
+ endp->local_options.pkt_period_max)
+ printf("Requested packetetization period: "
+ "%d-%d\n",
+ endp->local_options.pkt_period_min,
+ endp->local_options.pkt_period_max);
+ else
+ printf("Requested packetization period not set\n");
+
+ if ((endp->conn_mode & CONN_UNMODIFIED) == 0) {
+ printf("Connection mode: %d:%s%s%s%s\n",
+ endp->conn_mode,
+ !endp->conn_mode ? " NONE" : "",
+ endp->conn_mode & MGCP_CONN_SEND_ONLY ?
+ " SEND" : "",
+ endp->conn_mode & MGCP_CONN_RECV_ONLY ?
+ " RECV" : "",
+ endp->conn_mode & MGCP_CONN_LOOPBACK &
+ ~MGCP_CONN_RECV_SEND ?
+ " LOOP" : "");
+ fprintf(stderr,
+ "BTS output %sabled, NET output %sabled\n",
+ endp->bts_end.output_enabled ? "en" : "dis",
+ endp->net_end.output_enabled ? "en" : "dis");
+ } else
+ printf("Connection mode not set\n");
+
+ OSMO_ASSERT(endp->net_end.output_enabled ==
+ (endp->conn_mode & MGCP_CONN_SEND_ONLY ? 1 : 0));
+ OSMO_ASSERT(endp->bts_end.output_enabled ==
+ (endp->conn_mode & MGCP_CONN_RECV_ONLY ? 1 : 0));
+
+ endp->net_end.packet_duration_ms = -1;
+ endp->local_options.pkt_period_min = 0;
+ endp->local_options.pkt_period_max = 0;
+ endp->conn_mode |= CONN_UNMODIFIED;
+ }
+
+
+ /* Check detected payload type */
+ if (t->exp_net_ptype != PTYPE_IGNORE ||
+ t->exp_bts_ptype != PTYPE_IGNORE) {
+ OSMO_ASSERT(last_endpoint != -1);
+ endp = &cfg->trunk.endpoints[last_endpoint];
+
+ fprintf(stderr, "endpoint %d: "
+ "payload type BTS %d (exp %d), NET %d (exp %d)\n",
+ last_endpoint,
+ endp->bts_end.codec.payload_type, t->exp_bts_ptype,
+ endp->net_end.codec.payload_type, t->exp_net_ptype);
+
+ if (t->exp_bts_ptype != PTYPE_IGNORE)
+ OSMO_ASSERT(endp->bts_end.codec.payload_type ==
+ t->exp_bts_ptype);
+ if (t->exp_net_ptype != PTYPE_IGNORE)
+ OSMO_ASSERT(endp->net_end.codec.payload_type ==
+ t->exp_net_ptype);
+
+ /* Reset them again for next test */
+ endp->net_end.codec.payload_type = PTYPE_NONE;
+ }
+ }
+
+ talloc_free(cfg);
+}
+
+static void test_retransmission(void)
+{
+ struct mgcp_config *cfg;
+ int i;
+
+ cfg = mgcp_config_alloc();
+
+ cfg->trunk.number_endpoints = 64;
+ mgcp_endpoints_allocate(&cfg->trunk);
+
+ mgcp_endpoints_allocate(mgcp_trunk_alloc(cfg, 1));
+
+ /* reset endpoints */
+ for (i = 0; i < cfg->trunk.number_endpoints; i++) {
+ struct mgcp_endpoint *endp;
+ endp = &cfg->trunk.endpoints[i];
+ endp->bts_end.packet_duration_ms = 20;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(retransmit); i++) {
+ const struct mgcp_test *t = &retransmit[i];
+ struct msgb *inp;
+ struct msgb *msg;
+
+ printf("Testing %s\n", t->name);
+
+ inp = create_msg(t->req);
+ msg = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ if (strcmp((char *) msg->data, t->exp_resp) != 0)
+ printf("%s failed '%s'\n", t->name, (char *) msg->data);
+ msgb_free(msg);
+
+ /* Retransmit... */
+ printf("Re-transmitting %s\n", t->name);
+ inp = create_msg(t->req);
+ msg = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ if (strcmp((char *) msg->data, t->exp_resp) != 0)
+ printf("%s failed '%s'\n", t->name, (char *) msg->data);
+ msgb_free(msg);
+ }
+
+ talloc_free(cfg);
+}
+
+static int rqnt_cb(struct mgcp_endpoint *endp, char _tone)
+{
+ ptrdiff_t tone = _tone;
+ endp->cfg->data = (void *) tone;
+ return 0;
+}
+
+static void test_rqnt_cb(void)
+{
+ struct mgcp_config *cfg;
+ struct msgb *inp, *msg;
+
+ cfg = mgcp_config_alloc();
+ cfg->rqnt_cb = rqnt_cb;
+
+ cfg->trunk.number_endpoints = 64;
+ mgcp_endpoints_allocate(&cfg->trunk);
+
+ mgcp_endpoints_allocate(mgcp_trunk_alloc(cfg, 1));
+
+ inp = create_msg(CRCX);
+ msgb_free(mgcp_handle_message(cfg, inp));
+ msgb_free(inp);
+
+ /* send the RQNT and check for the CB */
+ inp = create_msg(RQNT);
+ msg = mgcp_handle_message(cfg, inp);
+ if (strncmp((const char *) msg->l2h, "200", 3) != 0) {
+ printf("FAILED: message is not 200. '%s'\n", msg->l2h);
+ abort();
+ }
+
+ if (cfg->data != (void *) '9') {
+ printf("FAILED: callback not called: %p\n", cfg->data);
+ abort();
+ }
+
+ msgb_free(msg);
+ msgb_free(inp);
+
+ inp = create_msg(DLCX);
+ msgb_free(mgcp_handle_message(cfg, inp));
+ msgb_free(inp);
+ talloc_free(cfg);
+}
+
+struct pl_test {
+ int cycles;
+ uint16_t base_seq;
+ uint16_t max_seq;
+ uint32_t packets;
+
+ uint32_t expected;
+ int loss;
+};
+
+static const struct pl_test pl_test_dat[] = {
+ /* basic.. just one package */
+ { .cycles = 0, .base_seq = 0, .max_seq = 0, .packets = 1, .expected = 1, .loss = 0},
+ /* some packages and a bit of loss */
+ { .cycles = 0, .base_seq = 0, .max_seq = 100, .packets = 100, .expected = 101, .loss = 1},
+ /* wrap around */
+ { .cycles = 1<<16, .base_seq = 0xffff, .max_seq = 2, .packets = 4, .expected = 4, .loss = 0},
+ /* min loss */
+ { .cycles = 0, .base_seq = 0, .max_seq = 0, .packets = UINT_MAX, .expected = 1, .loss = INT_MIN },
+ /* max loss, with wrap around on expected max */
+ { .cycles = INT_MAX, .base_seq = 0, .max_seq = UINT16_MAX, .packets = 0, .expected = ((uint32_t)(INT_MAX) + UINT16_MAX + 1), .loss = INT_MAX },
+};
+
+static void test_packet_loss_calc(void)
+{
+ int i;
+ printf("Testing packet loss calculation.\n");
+
+ for (i = 0; i < ARRAY_SIZE(pl_test_dat); ++i) {
+ uint32_t expected;
+ int loss;
+ struct mgcp_rtp_state state;
+ struct mgcp_rtp_end rtp;
+ memset(&state, 0, sizeof(state));
+ memset(&rtp, 0, sizeof(rtp));
+
+ state.stats_initialized = 1;
+ state.stats_base_seq = pl_test_dat[i].base_seq;
+ state.stats_max_seq = pl_test_dat[i].max_seq;
+ state.stats_cycles = pl_test_dat[i].cycles;
+
+ rtp.packets = pl_test_dat[i].packets;
+ mgcp_state_calc_loss(&state, &rtp, &expected, &loss);
+
+ if (loss != pl_test_dat[i].loss || expected != pl_test_dat[i].expected) {
+ printf("FAIL: Wrong exp/loss at idx(%d) Loss(%d vs. %d) Exp(%u vs. %u)\n",
+ i, loss, pl_test_dat[i].loss,
+ expected, pl_test_dat[i].expected);
+ }
+ }
+}
+
+static void test_mgcp_stats(void)
+{
+ printf("Testing stat parsing\n");
+
+ uint32_t bps, bos, pr, _or, jitter;
+ struct msgb *msg;
+ int loss;
+ int rc;
+
+ msg = create_msg(DLCX_RET);
+ rc = mgcp_parse_stats(msg, &bps, &bos, &pr, &_or, &loss, &jitter);
+ printf("Parsing result: %d\n", rc);
+ if (bps != 0 || bos != 0 || pr != 0 || _or != 0 || loss != 0 || jitter != 0)
+ printf("FAIL: Parsing failed1.\n");
+ msgb_free(msg);
+
+ msg = create_msg("250 7 OK\r\nP: PS=10, OS=20, PR=30, OR=40, PL=-3, JI=40\r\n");
+ rc = mgcp_parse_stats(msg, &bps, &bos, &pr, &_or, &loss, &jitter);
+ printf("Parsing result: %d\n", rc);
+ if (bps != 10 || bos != 20 || pr != 30 || _or != 40 || loss != -3 || jitter != 40)
+ printf("FAIL: Parsing failed2.\n");
+ msgb_free(msg);
+}
+
+struct rtp_packet_info {
+ float txtime;
+ int len;
+ char *data;
+};
+
+struct rtp_packet_info test_rtp_packets1[] = {
+ /* RTP: SeqNo=0, TS=0 */
+ {0.000000, 20, "\x80\x62\x00\x00\x00\x00\x00\x00\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=1, TS=160 */
+ {0.020000, 20, "\x80\x62\x00\x01\x00\x00\x00\xA0\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=2, TS=320 */
+ {0.040000, 20, "\x80\x62\x00\x02\x00\x00\x01\x40\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* Repeat RTP timestamp: */
+ /* RTP: SeqNo=3, TS=320 */
+ {0.060000, 20, "\x80\x62\x00\x03\x00\x00\x01\x40\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=4, TS=480 */
+ {0.080000, 20, "\x80\x62\x00\x04\x00\x00\x01\xE0\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=5, TS=640 */
+ {0.100000, 20, "\x80\x62\x00\x05\x00\x00\x02\x80\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* Double skip RTP timestamp (delta = 2*160): */
+ /* RTP: SeqNo=6, TS=960 */
+ {0.120000, 20, "\x80\x62\x00\x06\x00\x00\x03\xC0\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=7, TS=1120 */
+ {0.140000, 20, "\x80\x62\x00\x07\x00\x00\x04\x60\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=8, TS=1280 */
+ {0.160000, 20, "\x80\x62\x00\x08\x00\x00\x05\x00\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* Non 20ms RTP timestamp (delta = 120): */
+ /* RTP: SeqNo=9, TS=1400 */
+ {0.180000, 20, "\x80\x62\x00\x09\x00\x00\x05\x78\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=10, TS=1560 */
+ {0.200000, 20, "\x80\x62\x00\x0A\x00\x00\x06\x18\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=11, TS=1720 */
+ {0.220000, 20, "\x80\x62\x00\x0B\x00\x00\x06\xB8\x11\x22\x33\x44"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* SSRC changed to 0x10203040, RTP timestamp jump */
+ /* RTP: SeqNo=12, TS=34688 */
+ {0.240000, 20, "\x80\x62\x00\x0C\x00\x00\x87\x80\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=13, TS=34848 */
+ {0.260000, 20, "\x80\x62\x00\x0D\x00\x00\x88\x20\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=14, TS=35008 */
+ {0.280000, 20, "\x80\x62\x00\x0E\x00\x00\x88\xC0\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* Non 20ms RTP timestamp (delta = 120): */
+ /* RTP: SeqNo=15, TS=35128 */
+ {0.300000, 20, "\x80\x62\x00\x0F\x00\x00\x89\x38\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=16, TS=35288 */
+ {0.320000, 20, "\x80\x62\x00\x10\x00\x00\x89\xD8\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=17, TS=35448 */
+ {0.340000, 20, "\x80\x62\x00\x11\x00\x00\x8A\x78\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x8A\xAB\xCD\xEF"},
+ /* SeqNo increment by 2, RTP timestamp delta = 320: */
+ /* RTP: SeqNo=19, TS=35768 */
+ {0.360000, 20, "\x80\x62\x00\x13\x00\x00\x8B\xB8\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=20, TS=35928 */
+ {0.380000, 20, "\x80\x62\x00\x14\x00\x00\x8C\x58\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=21, TS=36088 */
+ {0.380000, 20, "\x80\x62\x00\x15\x00\x00\x8C\xF8\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* Repeat last packet */
+ /* RTP: SeqNo=21, TS=36088 */
+ {0.400000, 20, "\x80\x62\x00\x15\x00\x00\x8C\xF8\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=22, TS=36248 */
+ {0.420000, 20, "\x80\x62\x00\x16\x00\x00\x8D\x98\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=23, TS=36408 */
+ {0.440000, 20, "\x80\x62\x00\x17\x00\x00\x8E\x38\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* Don't increment SeqNo but increment timestamp by 160 */
+ /* RTP: SeqNo=23, TS=36568 */
+ {0.460000, 20, "\x80\x62\x00\x17\x00\x00\x8E\xD8\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=24, TS=36728 */
+ {0.480000, 20, "\x80\x62\x00\x18\x00\x00\x8F\x78\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=25, TS=36888 */
+ {0.500000, 20, "\x80\x62\x00\x19\x00\x00\x90\x18\x10\x20\x30\x40"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* SSRC changed to 0x50607080, RTP timestamp jump, Delay of 1.5s,
+ * SeqNo jump */
+ /* RTP: SeqNo=1000, TS=160000 */
+ {2.000000, 20, "\x80\x62\x03\xE8\x00\x02\x71\x00\x50\x60\x70\x80"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=1001, TS=160160 */
+ {2.020000, 20, "\x80\x62\x03\xE9\x00\x02\x71\xA0\x50\x60\x70\x80"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+ /* RTP: SeqNo=1002, TS=160320 */
+ {2.040000, 20, "\x80\x62\x03\xEA\x00\x02\x72\x40\x50\x60\x70\x80"
+ "\x01\x23\x45\x67\x89\xAB\xCD\xEF"},
+};
+
+void mgcp_patch_and_count(struct mgcp_endpoint *endp, struct mgcp_rtp_state *state,
+ struct mgcp_rtp_end *rtp_end, struct sockaddr_in *addr,
+ char *data, int len);
+
+static void test_packet_error_detection(int patch_ssrc, int patch_ts)
+{
+ int i;
+
+ struct mgcp_trunk_config trunk;
+ struct mgcp_endpoint endp;
+ struct mgcp_rtp_state state;
+ struct mgcp_rtp_end *rtp = &endp.net_end;
+ struct sockaddr_in addr = {0};
+ char buffer[4096];
+ uint32_t last_ssrc = 0;
+ uint32_t last_timestamp = 0;
+ uint32_t last_seqno = 0;
+ int last_in_ts_err_cnt = 0;
+ int last_out_ts_err_cnt = 0;
+
+ printf("Testing packet error detection%s%s.\n",
+ patch_ssrc ? ", patch SSRC" : "",
+ patch_ts ? ", patch timestamps" : "");
+
+ memset(&trunk, 0, sizeof(trunk));
+ memset(&endp, 0, sizeof(endp));
+ memset(&state, 0, sizeof(state));
+
+ trunk.number_endpoints = 1;
+ trunk.endpoints = &endp;
+ trunk.force_constant_ssrc = patch_ssrc;
+ trunk.force_aligned_timing = patch_ts;
+
+ endp.tcfg = &trunk;
+
+ mgcp_initialize_endp(&endp);
+
+ rtp->codec.payload_type = 98;
+
+ for (i = 0; i < ARRAY_SIZE(test_rtp_packets1); ++i) {
+ struct rtp_packet_info *info = test_rtp_packets1 + i;
+
+ force_monotonic_time_us = round(1000000.0 * info->txtime);
+
+ OSMO_ASSERT(info->len <= sizeof(buffer));
+ OSMO_ASSERT(info->len >= 0);
+ memmove(buffer, info->data, info->len);
+
+ mgcp_rtp_end_config(&endp, 1, rtp);
+
+ mgcp_patch_and_count(&endp, &state, rtp, &addr,
+ buffer, info->len);
+
+ if (state.out_stream.ssrc != last_ssrc) {
+ printf("Output SSRC changed to %08x\n",
+ state.out_stream.ssrc);
+ last_ssrc = state.out_stream.ssrc;
+ }
+
+ printf("In TS: %d, dTS: %d, Seq: %d\n",
+ state.in_stream.last_timestamp,
+ state.in_stream.last_tsdelta,
+ state.in_stream.last_seq);
+
+ printf("Out TS change: %d, dTS: %d, Seq change: %d, "
+ "TS Err change: in %+d, out %+d\n",
+ state.out_stream.last_timestamp - last_timestamp,
+ state.out_stream.last_tsdelta,
+ state.out_stream.last_seq - last_seqno,
+ state.in_stream.err_ts_counter - last_in_ts_err_cnt,
+ state.out_stream.err_ts_counter - last_out_ts_err_cnt);
+
+ printf("Stats: Jitter = %u, Transit = %d\n",
+ mgcp_state_calc_jitter(&state), state.stats_transit);
+
+ last_in_ts_err_cnt = state.in_stream.err_ts_counter;
+ last_out_ts_err_cnt = state.out_stream.err_ts_counter;
+ last_timestamp = state.out_stream.last_timestamp;
+ last_seqno = state.out_stream.last_seq;
+ }
+
+ force_monotonic_time_us = -1;
+}
+
+static void test_multilple_codec(void)
+{
+ struct mgcp_config *cfg;
+ struct mgcp_endpoint *endp;
+ struct msgb *inp, *resp;
+ struct in_addr addr;
+
+ printf("Testing multiple payload types\n");
+
+ cfg = mgcp_config_alloc();
+ cfg->trunk.number_endpoints = 64;
+ mgcp_endpoints_allocate(&cfg->trunk);
+ cfg->policy_cb = mgcp_test_policy_cb;
+ mgcp_endpoints_allocate(mgcp_trunk_alloc(cfg, 1));
+
+ /* Allocate endpoint 1@mgw with two codecs */
+ last_endpoint = -1;
+ inp = create_msg(CRCX_MULT_1);
+ resp = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ msgb_free(resp);
+
+ OSMO_ASSERT(last_endpoint == 1);
+ endp = &cfg->trunk.endpoints[last_endpoint];
+ OSMO_ASSERT(endp->net_end.codec.payload_type == 18);
+ OSMO_ASSERT(endp->net_end.alt_codec.payload_type == 97);
+
+ /* Allocate 2@mgw with three codecs, last one ignored */
+ last_endpoint = -1;
+ inp = create_msg(CRCX_MULT_2);
+ resp = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ msgb_free(resp);
+
+ OSMO_ASSERT(last_endpoint == 2);
+ endp = &cfg->trunk.endpoints[last_endpoint];
+ OSMO_ASSERT(endp->net_end.codec.payload_type == 18);
+ OSMO_ASSERT(endp->net_end.alt_codec.payload_type == 97);
+
+ /* Allocate 3@mgw with no codecs, check for PT == -1 */
+ last_endpoint = -1;
+ inp = create_msg(CRCX_MULT_3);
+ resp = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ msgb_free(resp);
+
+ OSMO_ASSERT(last_endpoint == 3);
+ endp = &cfg->trunk.endpoints[last_endpoint];
+ OSMO_ASSERT(endp->net_end.codec.payload_type == -1);
+ OSMO_ASSERT(endp->net_end.alt_codec.payload_type == -1);
+
+ /* Allocate 4@mgw with a single codec */
+ last_endpoint = -1;
+ inp = create_msg(CRCX_MULT_4);
+ resp = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ msgb_free(resp);
+
+ OSMO_ASSERT(last_endpoint == 4);
+ endp = &cfg->trunk.endpoints[last_endpoint];
+ OSMO_ASSERT(endp->net_end.codec.payload_type == 18);
+ OSMO_ASSERT(endp->net_end.alt_codec.payload_type == -1);
+
+ /* Allocate 5@mgw at select GSM.. */
+ last_endpoint = -1;
+ inp = create_msg(CRCX_MULT_GSM_EXACT);
+ talloc_free(cfg->trunk.audio_name);
+ cfg->trunk.audio_name = "GSM/8000";
+ cfg->trunk.no_audio_transcoding = 1;
+ resp = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ msgb_free(resp);
+
+ OSMO_ASSERT(last_endpoint == 5);
+ endp = &cfg->trunk.endpoints[last_endpoint];
+ OSMO_ASSERT(endp->net_end.codec.payload_type == 3);
+ OSMO_ASSERT(endp->net_end.alt_codec.payload_type == -1);
+
+ inp = create_msg(MDCX_NAT_DUMMY);
+ last_endpoint = -1;
+ resp = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ msgb_free(resp);
+ OSMO_ASSERT(last_endpoint == 5);
+ endp = &cfg->trunk.endpoints[last_endpoint];
+ OSMO_ASSERT(endp->net_end.codec.payload_type == 3);
+ OSMO_ASSERT(endp->net_end.alt_codec.payload_type == -1);
+ OSMO_ASSERT(endp->net_end.rtp_port == htons(16434));
+ memset(&addr, 0, sizeof(addr));
+ inet_aton("8.8.8.8", &addr);
+ OSMO_ASSERT(endp->net_end.addr.s_addr == addr.s_addr);
+
+ /* Check what happens without that flag */
+
+ /* Free the previous endpoint and the data ... */
+ mgcp_release_endp(endp);
+ talloc_free(endp->last_response);
+ talloc_free(endp->last_trans);
+ endp->last_response = endp->last_trans = NULL;
+
+ last_endpoint = -1;
+ inp = create_msg(CRCX_MULT_GSM_EXACT);
+ cfg->trunk.no_audio_transcoding = 0;
+ resp = mgcp_handle_message(cfg, inp);
+ msgb_free(inp);
+ msgb_free(resp);
+
+ OSMO_ASSERT(last_endpoint == 5);
+ endp = &cfg->trunk.endpoints[last_endpoint];
+ OSMO_ASSERT(endp->net_end.codec.payload_type == 255);
+ OSMO_ASSERT(endp->net_end.alt_codec.payload_type == 0);
+
+ talloc_free(cfg);
+}
+
+static void test_no_cycle(void)
+{
+ struct mgcp_config *cfg;
+ struct mgcp_endpoint *endp;
+
+ printf("Testing no sequence flow on initial packet\n");
+
+ cfg = mgcp_config_alloc();
+ cfg->trunk.number_endpoints = 64;
+ mgcp_endpoints_allocate(&cfg->trunk);
+
+ endp = &cfg->trunk.endpoints[1];
+ OSMO_ASSERT(endp->net_state.stats_initialized == 0);
+
+ mgcp_rtp_annex_count(endp, &endp->net_state, 0, 0, 2342);
+ OSMO_ASSERT(endp->net_state.stats_initialized == 1);
+ OSMO_ASSERT(endp->net_state.stats_cycles == 0);
+ OSMO_ASSERT(endp->net_state.stats_max_seq == 0);
+
+ mgcp_rtp_annex_count(endp, &endp->net_state, 1, 0, 2342);
+ OSMO_ASSERT(endp->net_state.stats_initialized == 1);
+ OSMO_ASSERT(endp->net_state.stats_cycles == 0);
+ OSMO_ASSERT(endp->net_state.stats_max_seq == 1);
+
+ /* now jump.. */
+ mgcp_rtp_annex_count(endp, &endp->net_state, UINT16_MAX, 0, 2342);
+ OSMO_ASSERT(endp->net_state.stats_initialized == 1);
+ OSMO_ASSERT(endp->net_state.stats_cycles == 0);
+ OSMO_ASSERT(endp->net_state.stats_max_seq == UINT16_MAX);
+
+ /* and wrap */
+ mgcp_rtp_annex_count(endp, &endp->net_state, 0, 0, 2342);
+ OSMO_ASSERT(endp->net_state.stats_initialized == 1);
+ OSMO_ASSERT(endp->net_state.stats_cycles == UINT16_MAX + 1);
+ OSMO_ASSERT(endp->net_state.stats_max_seq == 0);
+
+ talloc_free(cfg);
+}
+
+static void test_no_name(void)
+{
+ struct mgcp_config *cfg;
+ struct mgcp_endpoint *endp;
+ struct msgb *inp, *msg;
+ int i;
+
+ printf("Testing no rtpmap name\n");
+ cfg = mgcp_config_alloc();
+
+ cfg->trunk.number_endpoints = 64;
+ cfg->trunk.audio_send_name = 0;
+ mgcp_endpoints_allocate(&cfg->trunk);
+
+ cfg->policy_cb = mgcp_test_policy_cb;
+
+ mgcp_endpoints_allocate(mgcp_trunk_alloc(cfg, 1));
+
+ /* reset endpoints */
+ for (i = 0; i < cfg->trunk.number_endpoints; i++) {
+ endp = &cfg->trunk.endpoints[i];
+ endp->net_end.codec.payload_type = PTYPE_NONE;
+ endp->net_end.packet_duration_ms = -1;
+
+ OSMO_ASSERT(endp->conn_mode == MGCP_CONN_NONE);
+ endp->conn_mode |= CONN_UNMODIFIED;
+ }
+
+ inp = create_msg(CRCX);
+ msg = mgcp_handle_message(cfg, inp);
+ if (strcmp((char *) msg->data, CRCX_RET_NO_RTPMAP) != 0)
+ printf("FAILED: there should not be a RTPMAP: %s\n",
+ (char *) msg->data);
+ msgb_free(inp);
+ msgb_free(msg);
+
+ mgcp_release_endp(&cfg->trunk.endpoints[1]);
+ talloc_free(cfg);
+}
+
+static void test_osmux_cid(void)
+{
+ int id, i;
+
+ OSMO_ASSERT(osmux_used_cid() == 0);
+ id = osmux_get_cid();
+ OSMO_ASSERT(id == 0);
+ OSMO_ASSERT(osmux_used_cid() == 1);
+ osmux_put_cid(id);
+ OSMO_ASSERT(osmux_used_cid() == 0);
+
+ for (i = 0; i < 256; ++i) {
+ id = osmux_get_cid();
+ OSMO_ASSERT(id == i);
+ OSMO_ASSERT(osmux_used_cid() == i + 1);
+ }
+
+ id = osmux_get_cid();
+ OSMO_ASSERT(id == -1);
+
+ for (i = 0; i < 256; ++i)
+ osmux_put_cid(i);
+ OSMO_ASSERT(osmux_used_cid() == 0);
+}
+
+int main(int argc, char **argv)
+{
+ msgb_talloc_ctx_init(NULL, 0);
+ osmo_init_logging(&log_info);
+
+ test_strline();
+ test_values();
+ test_messages();
+ test_retransmission();
+ test_packet_loss_calc();
+ test_rqnt_cb();
+ test_mgcp_stats();
+ test_packet_error_detection(1, 0);
+ test_packet_error_detection(0, 0);
+ test_packet_error_detection(0, 1);
+ test_packet_error_detection(1, 1);
+ test_multilple_codec();
+ test_no_cycle();
+ test_no_name();
+ test_osmux_cid();
+
+ printf("Done\n");
+ return EXIT_SUCCESS;
+}