/* * (C) 2011-2012,2014 by Holger Hans Peter Freyther * (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 . */ #undef _GNU_SOURCE #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include 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 = mgcp_strline(buf, &save); line; line = mgcp_strline(NULL, &save)) { printf("line: '%s'\n", line); counter++; } OSMO_ASSERT(counter == EXPECTED_NUMBER_OF_LINES); } #define AUEP1 "AUEP 158663169 ds/e1-1/2@mgw MGCP 1.0\r\n" #define AUEP1_RET "500 158663169 FAIL\r\n" #define AUEP2 "AUEP 18983213 ds/e1-2/1@mgw MGCP 1.0\r\n" #define AUEP2_RET "500 18983213 FAIL\r\n" #define AUEP_NULL "AUEP 18983215 null@mgw MGCP 1.0\r\n" #define AUEP_NULL_RET "200 18983215 OK\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@mgw MGCP 1.0\r\n" #define MDCX_ERR_RET "500 18983213 FAIL\r\n" #define MDCX_UNALLOCATED "MDCX 18983214 ds/e1-1/2@mgw MGCP 1.0\r\n" #define MDCX_RET "500 18983214 FAIL\r\n" #define MDCX3 \ "MDCX 18983215 1@mgw MGCP 1.0\r\n" \ "I: %s\n" #define MDCX3_RET \ "200 18983215 OK\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16002 RTP/AVP 97\r\n" \ "a=rtpmap:97 GSM-EFR/8000\r\n" \ "a=ptime:40\r\n" #define MDCX3A_RET \ "200 18983215 OK\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16002 RTP/AVP 97\r\n" \ "a=rtpmap:97 GSM-EFR/8000\r\n" \ "a=ptime:40\r\n" #define MDCX3_FMTP_RET \ "200 18983215 OK\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16006 RTP/AVP 97\r\n" \ "a=rtpmap:97 GSM-EFR/8000\r\n" \ "a=ptime:40\r\n" #define MDCX4_ADDR0000 \ "MDCX 18983216 1@mgw MGCP 1.0\r\n" \ "M: sendrecv\r" \ "C: 2\r\n" \ "I: %s\r\n" \ "L: p:20, a:AMR, nt:IN\r\n" \ "\n" \ "v=0\r\n" \ "o=- %s 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_ADDR0000_RET \ "527 18983216 FAIL\r\n" #define MDCX4 \ "MDCX 18983217 1@mgw MGCP 1.0\r\n" \ "M: sendrecv\r" \ "C: 2\r\n" \ "I: %s\r\n" \ "L: p:20, a:AMR, nt:IN\r\n" \ "\n" \ "v=0\r\n" \ "o=- %s 23 IN IP4 5.6.7.8\r\n" \ "c=IN IP4 5.6.7.8\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" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16002 RTP/AVP 99\r\n" \ "a=rtpmap:99 AMR/8000\r\n" \ "a=ptime:40\r\n" #define MDCX4_RO_RET(Ident) \ "200 " Ident " OK\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16002 RTP/AVP 112\r\n" \ "a=rtpmap:112 AMR\r\n" \ "a=ptime:40\r\n" #define MDCX4_PT1 \ "MDCX 18983218 1@mgw MGCP 1.0\r\n" \ "M: SENDRECV\r" \ "C: 2\r\n" \ "I: %s\r\n" \ "L: p:20-40, a:AMR, nt:IN\r\n" \ "\n" \ "v=0\r\n" \ "o=- %s 23 IN IP4 5.6.7.8\r\n" \ "c=IN IP4 5.6.7.8\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 18983219 1@mgw MGCP 1.0\r\n" \ "M: sendrecv\r" \ "C: 2\r\n" \ "I: %s\r\n" \ "L: p:20-20, a:AMR, nt:IN\r\n" \ "\n" \ "v=0\r\n" \ "o=- %s 23 IN IP4 5.6.7.8\r\n" \ "c=IN IP4 5.6.7.8\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 18983220 1@mgw MGCP 1.0\r\n" \ "M: sendrecv\r" \ "C: 2\r\n" \ "I: %s\r\n" \ "L: a:AMR, nt:IN\r\n" \ "\n" \ "v=0\r\n" \ "o=- %s 23 IN IP4 5.6.7.8\r\n" \ "c=IN IP4 5.6.7.8\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" /* Test different upper/lower case in options */ #define MDCX4_PT4 \ "MDCX 18983221 1@mgw MGCP 1.0\r\n" \ "m: sendrecv\r" \ "c: 2\r\n" \ "i: %s\r\n" \ "l: A:amr, NT:IN\r\n" \ "\n" \ "v=0\r\n" \ "o=- %s 23 IN IP4 5.6.7.8\r\n" \ "c=IN IP4 5.6.7.8\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 18983222 1@mgw MGCP 1.0\r\n" \ "M: sendonly\r" \ "C: 2\r\n" \ "I: %s\r\n" \ "L: p:20, a:AMR, nt:IN\r\n" \ "\n" \ "v=0\r\n" \ "o=- %s 23 IN IP4 5.6.7.8\r\n" \ "c=IN IP4 5.6.7.8\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 18983223 1@mgw MGCP 1.0\r\n" \ "M: recvonly\r" \ "C: 2\r\n" \ "I: %s\r\n" \ "L: p:20, a:AMR, nt:IN\r\n" #define MDCX_TOO_LONG_CI \ "MDCX 18983224 1@mgw MGCP 1.0\r\n" \ "I: 123456789012345678901234567890123\n" #define MDCX_TOO_LONG_CI_RET "510 18983224 FAIL\r\n" #define MDCX_NULL \ "MDCX 9 null@mgw MGCP 1.0\r\n" \ "I: %s\n" #define MDCX_NULL_RET "502 9 FAIL\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" \ "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: %s\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16002 RTP/AVP 97\r\n" \ "a=rtpmap:97 GSM-EFR/8000\r\n" \ "a=ptime:40\r\n" #define CRCX_RET_NO_RTPMAP \ "200 2 OK\r\n" \ "I: %s\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16002 RTP/AVP 97\r\n" \ "a=ptime:40\r\n" #define CRCX_FMTP_RET \ "200 2 OK\r\n" \ "I: %s\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16006 RTP/AVP 97\r\n" \ "a=rtpmap:97 GSM-EFR/8000\r\n" \ "a=ptime:40\r\n" #define CRCX_ZYN \ "CRCX 2 1@mgw MGCP 1.0\r" \ "M: recvonly\r" \ "C: 2\r\n" \ "\n" \ "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: %s\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16004 RTP/AVP 97\r\n" \ "a=rtpmap:97 GSM-EFR/8000\r\n" \ "a=ptime:20\r\n" #define CRCX_X_OSMO_IGN \ "CRCX 2 1@mgw MGCP 1.0\r\n" \ "M: recvonly\r\n" \ "C: 2\r\n" \ "L: p:20\r\n" \ "X-Osmo-IGN: C foo\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_X_OSMO_IGN_RET \ "200 2 OK\r\n" \ "I: %s\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16010 RTP/AVP 97\r\n" \ "a=rtpmap:97 GSM-EFR/8000\r\n" \ "a=ptime:40\r\n" #define DLCX \ "DLCX 7 1@mgw MGCP 1.0\r\n" \ "I: %s\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" #define DLCX_RET_OSMUX DLCX_RET \ "X-Osmo-CP: EC TI=0, TO=0\r\n" #define DLCX_NULL \ "DLCX 8 null@mgw MGCP 1.0\r\n" \ "I: %s\r\n" \ "C: 2\r\n" #define DLCX_NULL_RET "502 8 FAIL\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 RQNT_NULL \ "RQNT 186908782 null@mgw MGCP 1.0\r\n" \ "X: B244F267488\r\n" \ "S: D/9\r\n" #define RQNT_NULL_RET "502 186908782 FAIL\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" \ "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 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" \ "I: %s\r\n" \ "\r\n" \ "c=IN IP4 8.8.8.8\r\n" \ "m=audio 16434 RTP/AVP 3\r\n" #define CRCX_NO_LCO_NO_SDP \ "CRCX 2 6@mgw MGCP 1.0\r\n" \ "M: recvonly\r\n" \ "C: 2\r\n" #define CRCX_AMR_WITH_FMTP \ "CRCX 2 7@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 111\r\n" \ "a=rtpmap:111 AMR/8000/1\r\n" \ "a=ptime:20\r\n" \ "a=fmtp:111 mode-change-capability=2; octet-align=1\r\n" \ #define CRCX_AMR_WITH_FMTP_RET \ "200 2 OK\r\n" \ "I: %s\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16012 RTP/AVP 111\r\n" \ "a=rtpmap:111 AMR/8000/1\r\n" \ "a=fmtp:111 octet-align=1\r\n" \ "a=ptime:20\r\n" #define CRCX_NO_LCO_NO_SDP_RET \ "200 2 OK\r\n" \ "I: %s\r\n" \ "\r\n" \ "v=0\r\n" \ "o=- %s 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 16008 RTP/AVP 0\r\n" \ "a=ptime:20\r\n" #define CRCX_NULL \ "CRCX 2 null@mgw MGCP 1.0\r\n" \ "m: recvonly\r\n" \ "C: 2\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_NULL_RET "502 2 FAIL\r\n" struct mgcp_test { const char *name; const char *req; const char *exp_resp; int ptype; }; 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}, {"MDCX3", MDCX3, MDCX3_RET, PTYPE_IGNORE}, {"MDCX4_ADDR000", MDCX4_ADDR0000, MDCX4_ADDR0000_RET}, {"MDCX4", MDCX4, MDCX4_RET("18983217"), 99}, {"MDCX4_PT1", MDCX4_PT1, MDCX4_RET("18983218"), 99}, {"MDCX4_PT2", MDCX4_PT2, MDCX4_RET("18983219"), 99}, {"MDCX4_PT3", MDCX4_PT3, MDCX4_RET("18983220"), 99}, {"MDCX4_PT4", MDCX4_PT4, MDCX4_RET("18983221"), 99}, {"MDCX4_SO", MDCX4_SO, MDCX4_RET("18983222"), 99}, {"MDCX4_RO", MDCX4_RO, MDCX4_RO_RET("18983223"), PTYPE_IGNORE}, {"DLCX", DLCX, DLCX_RET, PTYPE_IGNORE}, {"CRCX_ZYN", CRCX_ZYN, CRCX_ZYN_RET, 97}, {"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, PTYPE_IGNORE}, {"CRCX", CRCX, CRCX_FMTP_RET, 97}, {"MDCX3", MDCX3, MDCX3_FMTP_RET, PTYPE_NONE}, {"DLCX", DLCX, DLCX_RET, PTYPE_IGNORE}, {"CRCX", CRCX_NO_LCO_NO_SDP, CRCX_NO_LCO_NO_SDP_RET, 97}, {"CRCX", CRCX_X_OSMO_IGN, CRCX_X_OSMO_IGN_RET, 97}, {"MDCX_TOO_LONG_CI", MDCX_TOO_LONG_CI, MDCX_TOO_LONG_CI_RET}, {"CRCX", CRCX_AMR_WITH_FMTP, CRCX_AMR_WITH_FMTP_RET}, {"AUEP_NULL", AUEP_NULL, AUEP_NULL_RET}, {"CRCX_NULL", CRCX_NULL, CRCX_NULL_RET}, {"MDCX_NULL", MDCX_NULL, MDCX_NULL_RET}, {"DLCX_NULL", DLCX_NULL, DLCX_NULL_RET}, {"RQNT_NULL", RQNT_NULL, RQNT_NULL_RET}, }; static const struct mgcp_test retransmit[] = { {"CRCX", CRCX, CRCX_RET}, {"RQNT1", RQNT, RQNT1_RET}, {"RQNT2", RQNT2, RQNT2_RET}, {"MDCX3", MDCX3, MDCX3A_RET}, {"DLCX", DLCX, DLCX_RET}, }; static struct msgb *create_msg(const char *str, const char *conn_id) { struct msgb *msg; int len; printf("creating message from statically defined input:\n"); printf("---------8<---------\n%s\n---------8<---------\n", str); msg = msgb_alloc_headroom(4096, 128, "MGCP msg"); if (conn_id && strlen(conn_id)) len = sprintf((char *)msg->data, str, conn_id, conn_id); else len = sprintf((char *)msg->data, "%s", str); msg->l2h = msgb_put(msg, len); return msg; } static int dummy_packets = 0; /* override and forward */ int osmo_iofd_sendto_msgb(struct osmo_io_fd *iofd, struct msgb *msg, int flags, const struct osmo_sockaddr *addr) { uint32_t dest_host = htonl(((struct sockaddr_in *)addr)->sin_addr.s_addr); int dest_port = htons(((struct sockaddr_in *)addr)->sin_port); const uint8_t *buf = msgb_data(msg); size_t len = msgb_length(msg); if (len == sizeof(rtp_dummy_payload) && memcmp(buf, rtp_dummy_payload, sizeof(rtp_dummy_payload)) == 0) { 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; } /* Make sure address+port are valid */ OSMO_ASSERT(dest_host); OSMO_ASSERT(dest_port); msgb_free(msg); return len; } 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); } static void mgcp_endpoints_release(struct mgcp_trunk *trunk) { int i; for (i = 0; i < trunk->number_endpoints; i++) mgcp_endp_release(trunk->endpoints[i]); } #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); } /* Extract a connection ID from a response and return in conn_id; * if there is none, return -EINVAL and leave conn_id unchanged. */ static int get_conn_id_from_response(uint8_t *resp, char *conn_id, size_t conn_id_buflen) { const char *conn_id_start; const char *conn_id_end; int conn_id_len; const char *header_I = "\r\nI: "; const char *header_o = "\r\no=- "; /* Try to get the conn_id from the 'I:' or 'o=-' parameter */ if ((conn_id_start = strstr((char *)resp, header_I))) { conn_id_start += strlen(header_I); conn_id_end = strstr(conn_id_start, "\r\n"); } else if ((conn_id_start = strstr((char *)resp, header_o))) { conn_id_start += strlen(header_o); conn_id_end = strchr(conn_id_start, ' '); } else return -EINVAL; if (conn_id_end) conn_id_len = conn_id_end - conn_id_start; else conn_id_len = strlen(conn_id_start); OSMO_ASSERT(conn_id_len <= conn_id_buflen - 1); /* A valid conn_id must at least contain one digit, and must * not exceed a length of 32 digits */ OSMO_ASSERT(conn_id_len <= 32); OSMO_ASSERT(conn_id_len > 0); strncpy(conn_id, conn_id_start, conn_id_len); conn_id[conn_id_len] = '\0'; return 0; } /* Check response, automatically patch connection ID if needed */ static int check_response(uint8_t *resp, const char *exp_resp) { char exp_resp_patched[4096]; const char *exp_resp_ptr; char conn_id[256]; printf("checking response:\n"); /* If the expected response is intened to be patched * (%s placeholder inside) we will patch it with the * connection identifier we just received from the * real response. This is necessary because the CI * is generated by the mgcp code on CRCX and we can * not know it in advance */ if (strstr(exp_resp, "%s")) { if (get_conn_id_from_response(resp, conn_id, sizeof(conn_id)) == 0) { sprintf(exp_resp_patched, exp_resp, conn_id, conn_id); exp_resp_ptr = exp_resp_patched; printf ("using message with patched conn_id for comparison\n"); } else { printf ("patching conn_id failed, using message as statically defined for comparison\n"); exp_resp_ptr = exp_resp; } } else { printf("using message as statically defined for comparison\n"); exp_resp_ptr = exp_resp; } if (strcmp((char *)resp, exp_resp_ptr) != 0) { printf("Unexpected response, please check!\n"); printf ("Got:\n---------8<---------\n%s\n---------8<---------\n\n", resp); printf ("Expected:\n---------8<---------\n%s\n---------8<---------\n", exp_resp_ptr); return -EINVAL; } printf("Response matches our expectations.\n"); return 0; } static void test_messages(void) { struct mgcp_config *cfg; struct mgcp_endpoint *endp; struct mgcp_trunk *trunk; int i; struct mgcp_conn_rtp *conn = NULL; char last_conn_id[256]; int rc; char *last_endpoint = mgcp_debug_get_last_endpoint_name(); cfg = mgcp_config_alloc(); trunk = mgcp_trunk_by_num(cfg, MGCP_TRUNK_VIRTUAL, MGCP_VIRT_TRUNK_ID); trunk->v.vty_number_endpoints = 64; mgcp_trunk_equip(trunk); memset(last_conn_id, 0, sizeof(last_conn_id)); for (i = 0; i < ARRAY_SIZE(tests); i++) { const struct mgcp_test *t = &tests[i]; struct msgb *inp; struct msgb *msg; printf("\n================================================\n"); printf("Testing %s\n", t->name); dummy_packets = 0; inp = create_msg(t->req, last_conn_id); 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); OSMO_ASSERT(false); } } else if (check_response(msg->data, t->exp_resp) != 0) { printf("%s failed.\n", t->name); OSMO_ASSERT(false); } if (msg) { rc = get_conn_id_from_response(msg->data, last_conn_id, sizeof(last_conn_id)); if (rc == 0) printf("(response contains a connection id)\n"); else printf("(response does not contain a connection id)\n"); } if (msg) msgb_free(msg); if (dummy_packets) printf("Dummy packets: %d\n", dummy_packets); if (last_endpoint[0] != '\0') { endp = mgcp_endp_by_name(NULL, last_endpoint, cfg); OSMO_ASSERT(endp); conn = mgcp_conn_get_rtp(endp, "1"); if (conn) { OSMO_ASSERT(conn); if (conn->end.packet_duration_ms != -1) printf("Detected packet duration: %d\n", conn->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 packetization 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 ((conn->conn->mode & CONN_UNMODIFIED) == 0) { printf("Connection mode: %d:%s%s%s%s\n", conn->conn->mode, !conn->conn->mode ? " NONE" : "", conn->conn->mode & MGCP_CONN_SEND_ONLY ? " SEND" : "", conn->conn->mode & MGCP_CONN_RECV_ONLY ? " RECV" : "", conn->conn->mode & MGCP_CONN_LOOPBACK & ~MGCP_CONN_RECV_SEND ? " LOOP" : ""); fprintf(stderr, "RTP output %sabled, NET output %sabled\n", conn->end.output_enabled ? "en" : "dis", conn->end.output_enabled ? "en" : "dis"); } else printf("Connection mode not set\n"); OSMO_ASSERT(conn->end.output_enabled == !!(conn->conn->mode & MGCP_CONN_SEND_ONLY)); conn->conn->mode |= CONN_UNMODIFIED; } endp->local_options.pkt_period_min = 0; endp->local_options.pkt_period_max = 0; } /* Check detected payload type */ if (conn && t->ptype != PTYPE_IGNORE) { OSMO_ASSERT(last_endpoint[0] != '\0'); fprintf(stderr, "endpoint:%s: " "payload type %d (expected %d)\n", last_endpoint, conn->end.codec->payload_type, t->ptype); if (t->ptype != PTYPE_IGNORE) OSMO_ASSERT(conn->end.codec->payload_type == t->ptype); /* Reset them again for next test */ conn->end.codec->payload_type = PTYPE_NONE; } } mgcp_endpoints_release(trunk); talloc_free(cfg); } static void test_retransmission(void) { struct mgcp_config *cfg; struct mgcp_trunk *trunk; int i; char last_conn_id[256]; int rc; cfg = mgcp_config_alloc(); trunk = mgcp_trunk_by_num(cfg, MGCP_TRUNK_VIRTUAL, MGCP_VIRT_TRUNK_ID); trunk->v.vty_number_endpoints = 64; mgcp_trunk_equip(trunk); memset(last_conn_id, 0, sizeof(last_conn_id)); for (i = 0; i < ARRAY_SIZE(retransmit); i++) { const struct mgcp_test *t = &retransmit[i]; struct msgb *inp; struct msgb *msg; printf("\n================================================\n"); printf("Testing %s\n", t->name); inp = create_msg(t->req, last_conn_id); msg = mgcp_handle_message(cfg, inp); msgb_free(inp); if (msg && check_response(msg->data, t->exp_resp) != 0) { printf("%s failed '%s'\n", t->name, (char *)msg->data); OSMO_ASSERT(false); } if (msg && strcmp(t->name, "CRCX") == 0) { rc = get_conn_id_from_response(msg->data, last_conn_id, sizeof(last_conn_id)); OSMO_ASSERT(rc == 0); } if (msg) msgb_free(msg); /* Retransmit... */ printf("Re-transmitting %s\n", t->name); inp = create_msg(t->req, last_conn_id); msg = mgcp_handle_message(cfg, inp); msgb_free(inp); if (check_response(msg->data, t->exp_resp) != 0) { printf("%s failed '%s'\n", t->name, (char *)msg->data); OSMO_ASSERT(false); } msgb_free(msg); } mgcp_endpoints_release(trunk); talloc_free(cfg); } static int rqnt_cb(struct mgcp_endpoint *endp, char _tone) { ptrdiff_t tone = _tone; endp->trunk->cfg->data = (void *)tone; return 0; } static void test_rqnt_cb(void) { struct mgcp_config *cfg; struct mgcp_trunk *trunk; struct msgb *inp, *msg; char conn_id[256]; cfg = mgcp_config_alloc(); trunk = mgcp_trunk_by_num(cfg, MGCP_TRUNK_VIRTUAL, MGCP_VIRT_TRUNK_ID); cfg->rqnt_cb = rqnt_cb; trunk->v.vty_number_endpoints = 64; mgcp_trunk_equip(trunk); inp = create_msg(CRCX, NULL); msg = mgcp_handle_message(cfg, inp); OSMO_ASSERT(msg); OSMO_ASSERT(get_conn_id_from_response(msg->data, conn_id, sizeof(conn_id)) == 0); msgb_free(msg); msgb_free(inp); /* send the RQNT and check for the CB */ inp = create_msg(RQNT, conn_id); 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, conn_id); msgb_free(mgcp_handle_message(cfg, inp)); msgb_free(inp); mgcp_endpoints_release(trunk); 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; struct mgcp_endpoint endp; struct mgcp_endpoint *endpoints[1]; struct mgcp_config *cfg; struct mgcp_trunk *trunk; printf("Testing packet loss calculation.\n"); memset(&endp, 0, sizeof(endp)); cfg = mgcp_config_alloc(); trunk = mgcp_trunk_alloc(cfg, MGCP_TRUNK_VIRTUAL, MGCP_VIRT_TRUNK_ID); endp.type = &ep_typeset.rtp; trunk->v.vty_number_endpoints = 1; trunk->endpoints = endpoints; trunk->endpoints[0] = &endp; endp.trunk = trunk; INIT_LLIST_HEAD(&endp.conns); for (i = 0; i < ARRAY_SIZE(pl_test_dat); ++i) { uint32_t expected; int loss; struct mgcp_conn_rtp *conn = NULL; struct mgcp_conn *_conn = NULL; struct mgcp_rtp_state *state; struct rate_ctr *packets_rx; _conn = mgcp_conn_alloc(NULL, &endp, MGCP_CONN_TYPE_RTP, "test-connection"); conn = mgcp_conn_get_rtp(&endp, _conn->id); state = &conn->state; packets_rx = rate_ctr_group_get_ctr(conn->ctrg, RTP_PACKETS_RX_CTR); 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; packets_rx->current = pl_test_dat[i].packets; calc_loss(conn, &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); } mgcp_conn_free_all(&endp); } talloc_free(trunk); talloc_free(cfg); } int mgcp_parse_stats(struct msgb *msg, uint32_t *ps, uint32_t *os, uint32_t *pr, uint32_t *_or, int *loss, uint32_t *jitter) { char *line, *save; int rc; /* initialize with bad values */ *ps = *os = *pr = *_or = *jitter = UINT_MAX; *loss = INT_MAX; line = strtok_r((char *)msg->l2h, "\r\n", &save); if (!line) return -1; /* this can only parse the message that is created above... */ for_each_non_empty_line(line, save) { switch (line[0]) { case 'P': rc = sscanf(line, "P: PS=%u, OS=%u, PR=%u, OR=%u, PL=%d, JI=%u", ps, os, pr, _or, loss, jitter); return rc == 6 ? 0 : -1; } } return -1; } 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, NULL); 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", NULL); 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"}, /* RTP: SeqNo=1003, TS=180320, Marker */ {2.060000, 20, "\x80\xE2\x03\xEB\x00\x02\xC0\x60\x50\x60\x70\x80" "\x01\x23\x45\x67\x89\xAB\xCD\xEF"}, /* RTP: SeqNo=1004, TS=180480 */ {2.080000, 20, "\x80\x62\x03\xEC\x00\x02\xC1\x00\x50\x60\x70\x80" "\x01\x23\x45\x67\x89\xAB\xCD\xEF"}, /* RTP: SeqNo=1005, TS=180480, 10ms too late */ {2.110000, 20, "\x80\x62\x03\xED\x00\x02\xC1\xA0\x50\x60\x70\x80" "\x01\x23\x45\x67\x89\xAB\xCD\xEF"}, }; static void test_packet_error_detection(int patch_ssrc, int patch_ts) { int i; struct mgcp_trunk *trunk; struct mgcp_endpoint endp; struct mgcp_endpoint *endpoints[1]; struct mgcp_config *cfg; struct mgcp_rtp_state state; struct mgcp_rtp_end *rtp; struct osmo_sockaddr addr = { 0 }; uint32_t last_ssrc = 0; uint32_t last_timestamp = 0; uint32_t last_seqno = 0; uint64_t last_in_ts_err_cnt = 0; uint64_t last_out_ts_err_cnt = 0; struct mgcp_conn_rtp *conn = NULL; struct mgcp_conn *_conn = NULL; struct rate_ctr test_ctr_in; struct rate_ctr test_ctr_out; printf("Testing packet error detection%s%s.\n", patch_ssrc ? ", patch SSRC" : "", patch_ts ? ", patch timestamps" : ""); cfg = mgcp_config_alloc(); trunk = mgcp_trunk_alloc(cfg, MGCP_TRUNK_VIRTUAL, MGCP_VIRT_TRUNK_ID); memset(&endp, 0, sizeof(endp)); memset(&state, 0, sizeof(state)); memset(&test_ctr_in, 0, sizeof(test_ctr_in)); memset(&test_ctr_out, 0, sizeof(test_ctr_out)); state.in_stream.err_ts_ctr = &test_ctr_in; state.out_stream.err_ts_ctr = &test_ctr_out; endp.type = &ep_typeset.rtp; trunk->v.vty_number_endpoints = 1; trunk->endpoints = endpoints; trunk->endpoints[0] = &endp; trunk->force_constant_ssrc = patch_ssrc; trunk->force_aligned_timing = patch_ts; endp.trunk = trunk; INIT_LLIST_HEAD(&endp.conns); _conn = mgcp_conn_alloc(NULL, &endp, MGCP_CONN_TYPE_RTP, "test-connection"); OSMO_ASSERT(_conn); conn = mgcp_conn_get_rtp(&endp, _conn->id); OSMO_ASSERT(conn); rtp = &conn->end; OSMO_ASSERT(mgcp_codec_add(conn, PTYPE_UNDEFINED, "AMR/8000/1", NULL) == 0); rtp->codec = &rtp->codecs[0]; for (i = 0; i < ARRAY_SIZE(test_rtp_packets1); ++i) { struct rtp_packet_info *info = test_rtp_packets1 + i; struct msgb *msg = msgb_alloc(4096, __func__); force_monotonic_time_us = round(1000000.0 * info->txtime); OSMO_ASSERT(info->len <= msgb_tailroom(msg)); OSMO_ASSERT(info->len >= 0); msg->l3h = msgb_put(msg, info->len); memcpy((char*)msgb_l3(msg), info->data, info->len); mgcp_rtp_end_config(&endp, 1, rtp); mgcp_patch_and_count(&endp, &state, rtp, &addr, msg); 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 +%u, out +%u\n", state.out_stream.last_timestamp - last_timestamp, state.out_stream.last_tsdelta, state.out_stream.last_seq - last_seqno, (unsigned int) (state.in_stream.err_ts_ctr->current - last_in_ts_err_cnt), (unsigned int) (state.out_stream.err_ts_ctr->current - last_out_ts_err_cnt)); printf("Stats: Jitter = %u, Transit = %d\n", calc_jitter(&state), state.stats.transit); last_in_ts_err_cnt = state.in_stream.err_ts_ctr->current; last_out_ts_err_cnt = state.out_stream.err_ts_ctr->current; last_timestamp = state.out_stream.last_timestamp; last_seqno = state.out_stream.last_seq; msgb_free(msg); } force_monotonic_time_us = -1; mgcp_conn_free_all(&endp); talloc_free(trunk); talloc_free(cfg); } static void test_multilple_codec(void) { struct mgcp_config *cfg; struct mgcp_trunk *trunk; struct mgcp_endpoint *endp; struct msgb *inp, *resp; struct in_addr addr; struct mgcp_conn_rtp *conn = NULL; char conn_id[256]; char *last_endpoint = mgcp_debug_get_last_endpoint_name(); printf("Testing multiple payload types\n"); cfg = mgcp_config_alloc(); trunk = mgcp_trunk_by_num(cfg, MGCP_TRUNK_VIRTUAL, MGCP_VIRT_TRUNK_ID); trunk->v.vty_number_endpoints = 64; mgcp_trunk_equip(trunk); /* Allocate endpoint 1@mgw with two codecs */ last_endpoint[0] = '\0'; inp = create_msg(CRCX_MULT_1, NULL); resp = mgcp_handle_message(cfg, inp); OSMO_ASSERT(get_conn_id_from_response(resp->data, conn_id, sizeof(conn_id)) == 0); msgb_free(inp); msgb_free(resp); OSMO_ASSERT(strcmp(last_endpoint,"rtpbridge/1@mgw") == 0); endp = mgcp_endp_by_name(NULL, last_endpoint, cfg); OSMO_ASSERT(endp); conn = mgcp_conn_get_rtp(endp, conn_id); OSMO_ASSERT(conn); OSMO_ASSERT(conn->end.codec->payload_type == 18); /* Allocate 2@mgw with three codecs, last one ignored */ last_endpoint[0] = '\0'; inp = create_msg(CRCX_MULT_2, NULL); resp = mgcp_handle_message(cfg, inp); OSMO_ASSERT(get_conn_id_from_response(resp->data, conn_id, sizeof(conn_id)) == 0); msgb_free(inp); msgb_free(resp); OSMO_ASSERT(strcmp(last_endpoint,"rtpbridge/2@mgw") == 0); endp = mgcp_endp_by_name(NULL, last_endpoint, cfg); OSMO_ASSERT(endp); conn = mgcp_conn_get_rtp(endp, conn_id); OSMO_ASSERT(conn); OSMO_ASSERT(conn->end.codec->payload_type == 18); /* Allocate 3@mgw with no codecs, check for PT == 0 */ /* Note: It usually makes no sense to leave the payload type list * out. However RFC 2327 does not clearly forbid this case and * it makes and since we already decided in OS#2658 that a missing * LCO should pick a sane default codec, it makes sense to expect * the same behaviour if SDP lacks proper payload type information */ last_endpoint[0] = '\0'; inp = create_msg(CRCX_MULT_3, NULL); resp = mgcp_handle_message(cfg, inp); OSMO_ASSERT(get_conn_id_from_response(resp->data, conn_id, sizeof(conn_id)) == 0); msgb_free(inp); msgb_free(resp); OSMO_ASSERT(strcmp(last_endpoint,"rtpbridge/3@mgw") == 0); endp = mgcp_endp_by_name(NULL, last_endpoint, cfg); OSMO_ASSERT(endp); conn = mgcp_conn_get_rtp(endp, conn_id); OSMO_ASSERT(conn); OSMO_ASSERT(conn->end.codec->payload_type == 0); /* Allocate 4@mgw with a single codec */ last_endpoint[0] = '\0'; inp = create_msg(CRCX_MULT_4, NULL); resp = mgcp_handle_message(cfg, inp); OSMO_ASSERT(get_conn_id_from_response(resp->data, conn_id, sizeof(conn_id)) == 0); msgb_free(inp); msgb_free(resp); OSMO_ASSERT(strcmp(last_endpoint,"rtpbridge/4@mgw") == 0); endp = mgcp_endp_by_name(NULL, last_endpoint, cfg); OSMO_ASSERT(endp); conn = mgcp_conn_get_rtp(endp, conn_id); OSMO_ASSERT(conn); OSMO_ASSERT(conn->end.codec->payload_type == 18); /* Allocate 5@mgw and let osmo-mgw pick a codec from the list */ last_endpoint[0] = '\0'; inp = create_msg(CRCX_MULT_GSM_EXACT, NULL); resp = mgcp_handle_message(cfg, inp); OSMO_ASSERT(get_conn_id_from_response(resp->data, conn_id, sizeof(conn_id)) == 0); msgb_free(inp); msgb_free(resp); OSMO_ASSERT(strcmp(last_endpoint,"rtpbridge/5@mgw") == 0); endp = mgcp_endp_by_name(NULL, last_endpoint, cfg); OSMO_ASSERT(endp); conn = mgcp_conn_get_rtp(endp, conn_id); OSMO_ASSERT(conn); OSMO_ASSERT(conn->end.codec->payload_type == 0); inp = create_msg(MDCX_NAT_DUMMY, conn_id); last_endpoint[0] = '\0'; resp = mgcp_handle_message(cfg, inp); msgb_free(inp); msgb_free(resp); OSMO_ASSERT(strcmp(last_endpoint,"rtpbridge/5@mgw") == 0); endp = mgcp_endp_by_name(NULL, last_endpoint, cfg); OSMO_ASSERT(endp); conn = mgcp_conn_get_rtp(endp, conn_id); OSMO_ASSERT(conn); OSMO_ASSERT(conn->end.codec->payload_type == 3); OSMO_ASSERT(osmo_sockaddr_port(&conn->end.addr.u.sa) == 16434); memset(&addr, 0, sizeof(addr)); inet_aton("8.8.8.8", &addr); OSMO_ASSERT(conn->end.addr.u.sa.sa_family == AF_INET); OSMO_ASSERT(conn->end.addr.u.sin.sin_addr.s_addr == addr.s_addr); /* Check what happens without that flag */ /* Free the previous endpoint and the data and * check if the connection really vanished... */ mgcp_endp_release(endp); talloc_free(endp->last_response); talloc_free(endp->last_trans); endp->last_response = endp->last_trans = NULL; conn = mgcp_conn_get_rtp(endp, conn_id); OSMO_ASSERT(!conn); last_endpoint[0] = '\0'; inp = create_msg(CRCX_MULT_GSM_EXACT, NULL); resp = mgcp_handle_message(cfg, inp); OSMO_ASSERT(get_conn_id_from_response(resp->data, conn_id, sizeof(conn_id)) == 0); msgb_free(inp); msgb_free(resp); OSMO_ASSERT(strcmp(last_endpoint,"rtpbridge/5@mgw") == 0); endp = mgcp_endp_by_name(NULL, last_endpoint, cfg); OSMO_ASSERT(endp); conn = mgcp_conn_get_rtp(endp, conn_id); OSMO_ASSERT(conn); OSMO_ASSERT(conn->end.codec->payload_type == 0); mgcp_endpoints_release(trunk); talloc_free(cfg); } static void test_no_cycle(void) { struct mgcp_config *cfg; struct mgcp_endpoint *endp; struct mgcp_conn_rtp *conn = NULL; struct mgcp_conn *_conn = NULL; struct mgcp_trunk *trunk; printf("Testing no sequence flow on initial packet\n"); cfg = mgcp_config_alloc(); trunk = mgcp_trunk_by_num(cfg, MGCP_TRUNK_VIRTUAL, MGCP_VIRT_TRUNK_ID); trunk->v.vty_number_endpoints = 64; mgcp_trunk_equip(trunk); endp = mgcp_endp_by_name(NULL, "rtpbridge/1@mgw", cfg); OSMO_ASSERT(endp); _conn = mgcp_conn_alloc(NULL, endp, MGCP_CONN_TYPE_RTP, "test-connection"); OSMO_ASSERT(_conn); conn = mgcp_conn_get_rtp(endp, _conn->id); OSMO_ASSERT(conn); OSMO_ASSERT(conn->state.stats.initialized == 0); mgcp_rtp_annex_count(endp, &conn->state, 0, 0, 2342, false); OSMO_ASSERT(conn->state.stats.initialized == 1); OSMO_ASSERT(conn->state.stats.cycles == 0); OSMO_ASSERT(conn->state.stats.max_seq == 0); mgcp_rtp_annex_count(endp, &conn->state, 1, 0, 2342, false); OSMO_ASSERT(conn->state.stats.initialized == 1); OSMO_ASSERT(conn->state.stats.cycles == 0); OSMO_ASSERT(conn->state.stats.max_seq == 1); /* now jump.. */ mgcp_rtp_annex_count(endp, &conn->state, UINT16_MAX, 0, 2342, false); OSMO_ASSERT(conn->state.stats.initialized == 1); OSMO_ASSERT(conn->state.stats.cycles == 0); OSMO_ASSERT(conn->state.stats.max_seq == UINT16_MAX); /* and wrap */ mgcp_rtp_annex_count(endp, &conn->state, 0, 0, 2342, false); OSMO_ASSERT(conn->state.stats.initialized == 1); OSMO_ASSERT(conn->state.stats.cycles == UINT16_MAX + 1); OSMO_ASSERT(conn->state.stats.max_seq == 0); mgcp_endpoints_release(trunk); talloc_free(cfg); } static void test_no_name(void) { struct mgcp_trunk *trunk; struct mgcp_config *cfg; struct msgb *inp, *msg; printf("Testing no rtpmap name\n"); cfg = mgcp_config_alloc(); trunk = mgcp_trunk_by_num(cfg, MGCP_TRUNK_VIRTUAL, MGCP_VIRT_TRUNK_ID); trunk->v.vty_number_endpoints = 64; trunk->audio_send_name = 0; mgcp_trunk_equip(trunk); inp = create_msg(CRCX, NULL); msg = mgcp_handle_message(cfg, inp); if (check_response(msg->data, CRCX_RET_NO_RTPMAP) != 0) { printf("FAILED: there should not be a RTPMAP: %s\n", (char *)msg->data); OSMO_ASSERT(false); } msgb_free(inp); msgb_free(msg); mgcp_endpoints_release(trunk); talloc_free(cfg); } static void test_osmux_cid(void) { int id, i; OSMO_ASSERT(osmux_cid_pool_count_used() == 0); id = osmux_cid_pool_get_next(); OSMO_ASSERT(id == 0); OSMO_ASSERT(osmux_cid_pool_count_used() == 1); osmux_cid_pool_get(30); OSMO_ASSERT(osmux_cid_pool_count_used() == 2); osmux_cid_pool_get(30); OSMO_ASSERT(osmux_cid_pool_count_used() == 2); osmux_cid_pool_put(id); OSMO_ASSERT(osmux_cid_pool_count_used() == 1); osmux_cid_pool_put(30); OSMO_ASSERT(osmux_cid_pool_count_used() == 0); for (i = 0; i < 256; ++i) { id = osmux_cid_pool_get_next(); /* We called osmux_cid_pool_get_next() above, so next CID is i+1. */ OSMO_ASSERT(id == ((i + 1) & 0xff)); OSMO_ASSERT(osmux_cid_pool_count_used() == i + 1); } id = osmux_cid_pool_get_next(); OSMO_ASSERT(id == -1); for (i = 0; i < 256; ++i) osmux_cid_pool_put(i); OSMO_ASSERT(osmux_cid_pool_count_used() == 0); } static const struct log_info_cat log_categories[] = { }; const struct log_info log_info = { .cat = log_categories, .num_cat = ARRAY_SIZE(log_categories), }; static void test_get_lco_identifier(void) { char *test; printf("Testing get_lco_identifier()\n"); /* Normal case at the beginning */ test = "p:10, a:PCMU"; printf("%s -> %s\n", test, get_lco_identifier(test)); test = "p:10, a:PCMU"; printf("%s -> %s\n", test, get_lco_identifier(test)); /* Begin parsing in the middle of the value part of * the previous LCO option value */ test = "XXXX, p:10, a:PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); test = "XXXX,p:10,a:PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); test = "10,a:PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); test = "10, a:PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); test = "10,a: PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); test = "10 ,a: PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); /* Begin parsing right at the end of the previous LCO * option value */ test = ", a:PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); test = " a:PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); /* Empty string, result should be (null) */ test = ""; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); /* Missing colons, result should be (null) */ test = "p10, aPCMU"; printf("%s -> %s\n", test, get_lco_identifier(test)); /* Colon separated from the identifier, result should be (null) */ test = "10,a :PCMU"; printf("'%s' -> '%s'\n", test, get_lco_identifier(test)); } static void test_check_local_cx_options(void *ctx) { /* Legal cases */ OSMO_ASSERT(check_local_cx_options(ctx, "p:10, a:PCMU") == 0); OSMO_ASSERT(check_local_cx_options(ctx, "a:PCMU") == 0); OSMO_ASSERT(check_local_cx_options(ctx, "a:PCMU, p:10, IN:10") == 0); OSMO_ASSERT(check_local_cx_options(ctx, "one:AAA, two:BB, tree:C") == 0); OSMO_ASSERT(check_local_cx_options(ctx, "p:10, a:PCMU") == 0); OSMO_ASSERT(check_local_cx_options(ctx, "p:10, a:G726-32") == 0); OSMO_ASSERT(check_local_cx_options(ctx, "p:10-20, b:64") == 0); OSMO_ASSERT(check_local_cx_options(ctx, "b:32-64, e:off") == 0); OSMO_ASSERT(check_local_cx_options(ctx, "p:10, a:PCMU;G726-32") == 0); /* Illegal spaces before and after colon */ OSMO_ASSERT(check_local_cx_options(ctx, "a:PCMU, p :10") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "a :PCMU, p:10") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "p: 10, a:PCMU") == -1); /* Check if multiple appearances of LCOs are rejected */ OSMO_ASSERT(check_local_cx_options(ctx, "p:10, a:PCMU, p:10") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "p:10, a:PCMU, a:PCMU, p:10") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "p:10, p:10") == -1); /* Check if empty LCO are rejected */ OSMO_ASSERT(check_local_cx_options(ctx, "p: , a:PCMU") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "p: , a: PCMU") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "p:10, a: PCMU") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "p:, a:PCMU") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "p:10, a:") == -1); /* Garbeled beginning and ends */ OSMO_ASSERT(check_local_cx_options(ctx, ":10, a:10") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "10, a:PCMU") == -1); OSMO_ASSERT(check_local_cx_options(ctx, ", a:PCMU") == -1); OSMO_ASSERT(check_local_cx_options(ctx, " a:PCMU") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "a:PCMU,") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "a:PCMU, ") == -1); /* Illegal strings */ OSMO_ASSERT(check_local_cx_options(ctx, " ") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "") == -1); OSMO_ASSERT(check_local_cx_options(ctx, "AAA") == -1); OSMO_ASSERT(check_local_cx_options(ctx, ":,") == -1); OSMO_ASSERT(check_local_cx_options(ctx, ",:") == -1); OSMO_ASSERT(check_local_cx_options(ctx, ",,,") == -1); } static const struct mgcp_codec_param amr_param_octet_aligned_true = { .amr_octet_aligned_present = true, .amr_octet_aligned = true, }; static const struct mgcp_codec_param amr_param_octet_aligned_false = { .amr_octet_aligned_present = true, .amr_octet_aligned = false, }; static const struct mgcp_codec_param amr_param_octet_aligned_unset = { .amr_octet_aligned_present = false, }; struct testcase_mgcp_codec_decide_codec { int payload_type; const char *audio_name; const struct mgcp_codec_param *param; int expect_rc; }; struct testcase_mgcp_codec_decide_expect { int payload_type_map[2]; }; struct testcase_mgcp_codec_decide { const char *descr; /* two conns on an endpoint, each with N configured codecs */ struct testcase_mgcp_codec_decide_codec codecs[2][10]; struct testcase_mgcp_codec_decide_expect expect[2]; }; static const struct testcase_mgcp_codec_decide test_mgcp_codec_find_convertible_cases[] = { { .descr = "same order, but differing payload type numbers", .codecs = { { { 112, "AMR/8000/1", &amr_param_octet_aligned_true, }, { 0, "PCMU/8000/1", NULL, }, { 111, "GSM-HR-08/8000/1", NULL, }, }, { { 96, "AMR/8000/1", &amr_param_octet_aligned_true, }, { 0, "PCMU/8000/1", NULL, }, { 97, "GSM-HR-08/8000/1", NULL, }, }, }, .expect = { { .payload_type_map = {112, 96}, }, { .payload_type_map = {112, 96}, }, }, }, { .descr = "different order and different payload type numbers", .codecs = { { { 0, "PCMU/8000/1", NULL, }, { 111, "GSM-HR-08/8000/1", NULL, }, { 112, "AMR/8000/1", &amr_param_octet_aligned_true, }, }, { { 97, "GSM-HR-08/8000/1", NULL, }, { 0, "PCMU/8000/1", NULL, }, { 96, "AMR/8000/1", &amr_param_octet_aligned_true, }, }, }, .expect = { { .payload_type_map = {0, 0}, }, { .payload_type_map = {111, 97}, }, }, }, { .descr = "both sides have the same payload_type numbers assigned to differing codecs", .codecs = { { { 0, "PCMU/8000/1", NULL, }, { 96, "GSM-HR-08/8000/1", NULL, }, { 97, "AMR/8000/1", &amr_param_octet_aligned_true, }, }, { { 97, "GSM-HR-08/8000/1", NULL, }, { 0, "PCMU/8000/1", NULL, }, { 96, "AMR/8000/1", &amr_param_octet_aligned_true, }, }, }, .expect = { { .payload_type_map = {0, 0}, }, { .payload_type_map = {96, 97}, }, }, }, { .descr = "conn0 has no codecs", .codecs = { { /* no codecs */ }, { { 96, "AMR/8000/1", &amr_param_octet_aligned_true, }, { 0, "PCMU/8000/1", NULL, }, { 97, "GSM-HR-08/8000/1", NULL, }, }, }, .expect = { { .payload_type_map = {-EINVAL, -EINVAL}, }, { .payload_type_map = {-EINVAL, 96}, }, }, }, { .descr = "conn1 has no codecs", .codecs = { { { 112, "AMR/8000/1", &amr_param_octet_aligned_true, }, { 0, "PCMU/8000/1", NULL, }, { 111, "GSM-HR-08/8000/1", NULL, }, }, { /* no codecs */ }, }, .expect = { { .payload_type_map = {112, -EINVAL}, }, { .payload_type_map = {-EINVAL, -EINVAL}, }, }, }, { .descr = "test AMR with differing octet-aligned settings (both <-> both)", .codecs = { { { 111, "AMR/8000", &amr_param_octet_aligned_true, }, { 112, "AMR/8000", &amr_param_octet_aligned_false, }, }, { { 122, "AMR/8000", &amr_param_octet_aligned_false, }, { 121, "AMR/8000", &amr_param_octet_aligned_true, }, }, }, .expect = { { .payload_type_map = {111, 121}, }, { .payload_type_map = {112, 122} }, }, }, { .descr = "test AMR with differing octet-aligned settings (oa <-> both)", .codecs = { { { 111, "AMR/8000", &amr_param_octet_aligned_true, }, }, { { 122, "AMR/8000", &amr_param_octet_aligned_false, }, { 121, "AMR/8000", &amr_param_octet_aligned_true, }, }, }, .expect = { { .payload_type_map = {111, 121}, }, { .payload_type_map = {111, 121}, }, }, }, { .descr = "test AMR with differing octet-aligned settings (bwe <-> both)", .codecs = { { { 112, "AMR/8000", &amr_param_octet_aligned_false, }, }, { { 122, "AMR/8000", &amr_param_octet_aligned_false, }, { 121, "AMR/8000", &amr_param_octet_aligned_true, }, }, }, .expect = { { .payload_type_map = {112, 122}, }, { .payload_type_map = {112, 122}, }, }, }, { .descr = "test AMR with missing octet-aligned settings (oa <-> unset)", .codecs = { { { 111, "AMR/8000", &amr_param_octet_aligned_true, }, }, { { 122, "AMR/8000", &amr_param_octet_aligned_unset, }, }, }, .expect = { { .payload_type_map = {111, 122}, }, { .payload_type_map = {111, 122}, }, }, }, { .descr = "test AMR with missing octet-aligned settings (bwe <-> unset)", .codecs = { { { 111, "AMR/8000", &amr_param_octet_aligned_false, }, }, { { 122, "AMR/8000", &amr_param_octet_aligned_unset, }, }, }, .expect = { { .payload_type_map = {111, 122}, }, { .payload_type_map = {111, 122}, }, }, }, { .descr = "test AMR with NULL param (oa <-> null)", .codecs = { { { 112, "AMR/8000", &amr_param_octet_aligned_true, }, }, { { 122, "AMR/8000", NULL, }, }, }, .expect = { /* Note: Both 111, anbd 112 will translate to 122. The translation from 112 */ { .payload_type_map = {112, 122} }, { .payload_type_map = {112, 122}, }, }, }, { .descr = "test AMR with NULL param (bwe <-> null)", .codecs = { { { 112, "AMR/8000", &amr_param_octet_aligned_false, }, }, { { 122, "AMR/8000", NULL, }, }, }, .expect = { /* Note: Both 111, anbd 112 will translate to 122. The translation from 112 */ { .payload_type_map = {112, 122} }, { .payload_type_map = {112, 122}, }, }, }, { .descr = "match FOO/8000/1 and FOO/8000 as identical, single channel is implicit", .codecs = { { { 0, "PCMU/8000/1", NULL, }, { 111, "GSM-HR-08/8000/1", NULL, }, { 112, "AMR/8000/1", &amr_param_octet_aligned_true, }, }, { { 97, "GSM-HR-08/8000", NULL, }, { 0, "PCMU/8000", NULL, }, { 96, "AMR/8000", &amr_param_octet_aligned_true, }, }, }, .expect = { { .payload_type_map = {0, 0}, }, { .payload_type_map = {111, 97}, }, }, }, { .descr = "match FOO/8000/1 and FOO as identical, 8k and single channel are implicit", .codecs = { { { 0, "PCMU/8000/1", NULL, }, { 111, "GSM-HR-08/8000/1", NULL, }, { 112, "AMR/8000/1", &amr_param_octet_aligned_true, }, }, { { 97, "GSM-HR-08", NULL, }, { 0, "PCMU", NULL, }, { 96, "AMR", &amr_param_octet_aligned_true, }, }, }, .expect = { { .payload_type_map = {0, 0}, }, { .payload_type_map = {111, 97}, }, }, }, { .descr = "test whether channel number matching is waterproof", .codecs = { { { 111, "GSM-HR-08/8000", }, { 112, "GSM-HR-08/8000/2", .expect_rc = -22}, { 113, "GSM-HR-08/8000/3", .expect_rc = -22}, }, { { 122, "GSM-HR-08/8000/2", .expect_rc = -22}, { 121, "GSM-HR-08/8000/1", }, }, }, .expect = { { .payload_type_map = {111, 121}, }, { .payload_type_map = {111, 121} }, }, }, }; static bool codec_decision(struct mgcp_conn_rtp *conn, unsigned int index_conn_src, unsigned int index_conn_dst, const struct testcase_mgcp_codec_decide_expect *expect) { bool ok = true; int payload_type_conn_src; int payload_type_conn_dst; printf(" - mgcp_codec_decide(&conn[%u], &conn[%u]):\n", index_conn_src, index_conn_dst); if (mgcp_codec_decide(&conn[index_conn_src], &conn[index_conn_dst]) != 0) { if (expect->payload_type_map[index_conn_src] == -EINVAL && expect->payload_type_map[index_conn_dst] == -EINVAL) printf(" codec decision failed (expected)!\n"); else { printf(" ERROR: codec decision failed!\n"); ok = false; } } else { printf(" Codec decision result:\n"); if (conn[index_conn_src].end.codec) { payload_type_conn_src = conn[index_conn_src].end.codec->payload_type; printf(" conn[%u]: codec:%s, pt:%d\n", index_conn_src, conn[index_conn_src].end.codec->subtype_name, payload_type_conn_src); } else { payload_type_conn_src = -EINVAL; printf(" conn[%u]: codec:none, pt:none\n", index_conn_src); } if (conn[index_conn_dst].end.codec) { payload_type_conn_dst = conn[index_conn_dst].end.codec->payload_type; printf(" conn[%u]: codec:%s, pt:%d\n", index_conn_dst, conn[index_conn_dst].end.codec->subtype_name, payload_type_conn_dst); } else { payload_type_conn_dst = -EINVAL; printf(" conn[%u]: codec:none, pt:none\n", index_conn_dst); } if (payload_type_conn_src != expect->payload_type_map[index_conn_src]) { printf(" ERROR: conn[%u] unexpected codec decision, expected pt=%d, got pt=%d\n", index_conn_src, expect->payload_type_map[index_conn_src], payload_type_conn_src); ok = false; } if (payload_type_conn_dst != expect->payload_type_map[index_conn_dst]) { printf(" ERROR: conn[%u] unexpected codec decision, expected pt=%d, got pt=%d\n", index_conn_dst, expect->payload_type_map[index_conn_dst], payload_type_conn_dst); ok = false; } } return ok; } static void test_mgcp_codec_decide(void) { int i; bool ok_all = true; printf("\nTesting mgcp_codec_find_convertible()\n"); for (i = 0; i < ARRAY_SIZE(test_mgcp_codec_find_convertible_cases); i++) { const struct testcase_mgcp_codec_decide *t = &test_mgcp_codec_find_convertible_cases[i]; struct mgcp_conn_rtp conn[2] = { }; int rc; int conn_i; int c; bool ok = true; printf("#%d: %s\n", i, t->descr); /* Build testvector (add codecs to conn, set properties etc... */ for (conn_i = 0; conn_i < 2; conn_i++) { printf(" - add codecs on conn%d:\n", conn_i); for (c = 0; c < ARRAY_SIZE(t->codecs[conn_i]); c++) { const struct testcase_mgcp_codec_decide_codec *codec = &t->codecs[conn_i][c]; if (!codec->audio_name) break; rc = mgcp_codec_add(&conn[conn_i], codec->payload_type, codec->audio_name, codec->param); printf(" %2d: %3d %s%s -> rc=%d\n", c, codec->payload_type, codec->audio_name, codec->param ? (codec->param->amr_octet_aligned_present ? (codec->param->amr_octet_aligned ? " octet-aligned=1" : " octet-aligned=0") : " octet-aligned=unset") : "", rc); if (rc != codec->expect_rc) { printf(" ERROR: expected rc=%d\n", codec->expect_rc); ok = false; } } if (!c) printf(" (none)\n"); } /* Run codec decision and check expectation */ if (!codec_decision(conn, 0, 1, &t->expect[0])) ok = false; if (!codec_decision(conn, 1, 0, &t->expect[1])) ok = false; if (ok) printf(" ===> SUCCESS: codec decision as expected!\n"); else printf(" ===> FAIL: unexpected codec decision!\n"); if (!ok) ok_all = false; } OSMO_ASSERT(ok_all); } void test_conn_id_matching(void) { struct mgcp_endpoint endp = {}; struct mgcp_conn *conn; struct mgcp_conn *conn_match; int i; const char *conn_id_generated = "000023AB"; const char *conn_id_request[] = { "23AB", "0023AB", "000023AB", "00000023AB", "23ab", "0023ab", "000023ab", "00000023ab", }; printf("\nTesting %s\n", __func__); INIT_LLIST_HEAD(&endp.conns); conn = talloc_zero(NULL, struct mgcp_conn); OSMO_ASSERT(conn); osmo_strlcpy(conn->id, conn_id_generated, sizeof(conn->id)); llist_add(&conn->entry, &endp.conns); for (i = 0; i < ARRAY_SIZE(conn_id_request); i++) { const char *needle = conn_id_request[i]; printf("needle='%s' ", needle); conn_match = mgcp_conn_get(&endp, needle); OSMO_ASSERT(conn_match); printf("found '%s'\n", conn_match->id); OSMO_ASSERT(conn_match == conn); } llist_del(&conn->entry); talloc_free(conn); } void test_e1_trunk_nr_from_epname(void) { unsigned int trunk_nr; int rc; /* Note: e1_trunk_nr_from_epname does not check the text * after the E1 trunk number, after the delimiter * character "/" arbitrary text may follow. */ rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-0/s-1/su16-0"); OSMO_ASSERT(trunk_nr == 0); OSMO_ASSERT(rc == 0); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-1/s-1/su16-0"); OSMO_ASSERT(trunk_nr == 1); OSMO_ASSERT(rc == 0); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-2/s-2/su16-0"); OSMO_ASSERT(trunk_nr == 2); OSMO_ASSERT(rc == 0); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-3/s-23/su32-0"); OSMO_ASSERT(trunk_nr == 3); OSMO_ASSERT(rc == 0); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-3/xxxxxxx"); OSMO_ASSERT(trunk_nr == 3); OSMO_ASSERT(rc == 0); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-24/s-1/su16-0"); OSMO_ASSERT(trunk_nr == 24); OSMO_ASSERT(rc == 0); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-64/s-1/su16-0"); OSMO_ASSERT(trunk_nr == 64); OSMO_ASSERT(rc == 0); /* The following endpoint strings should fail, either the * trunk number exceeds the valid range or the trunk prefix * is wrong. Also when the delimiter character "/" at the * end of the trunk is wrong the parsing should fail. */ rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-65/s-1/su16-0"); OSMO_ASSERT(rc == -EINVAL); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1--1/s-1/su16-0"); OSMO_ASSERT(rc == -EINVAL); rc = e1_trunk_nr_from_epname(&trunk_nr, "xxxxxx4zyz"); OSMO_ASSERT(rc == -EINVAL); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1+2/s-1/su16-0"); OSMO_ASSERT(rc == -EINVAL); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e2-24/s-1/su16-0"); OSMO_ASSERT(rc == -EINVAL); rc = e1_trunk_nr_from_epname(&trunk_nr, "ds/e1-24s-1/su16-0"); OSMO_ASSERT(rc == -EINVAL); return; } void test_mgcp_is_rtp_dummy_payload(void) { /* realistic rtp packet */ static const char rtp_payload[] = { 0x80, 0x03, 0xca, 0xd7, 0x62, 0x12, 0x75, 0xc4, 0x43, 0x4b, 0x3e, 0x72, 0xd2, 0x57, 0x7a, 0x1c, 0xda, 0x50, 0x00, 0x49, 0x24, 0x92, 0x49, 0x24, 0x50, 0x00, 0x49, 0x24, 0x92, 0x49, 0x24, 0x50, 0x00, 0x49, 0x24, 0x92, 0x49, 0x24, 0x50, 0x00, 0x49, 0x23, 0x92, 0x49, 0x24 }; struct msgb *msg_dummy = msgb_alloc(RTP_BUF_SIZE, "RTP-msg_dummy"); struct msgb *msg_rtp = msgb_alloc(RTP_BUF_SIZE, "RTP-msg_rtp"); struct msgb *msg_dummy_rtp = msgb_alloc(RTP_BUF_SIZE, "RTP-msg_dummy_rtp"); uint8_t *buf; /* Dummy RTP packet */ buf = msgb_put(msg_dummy, ARRAY_SIZE(rtp_dummy_payload)); memcpy(buf, rtp_dummy_payload, ARRAY_SIZE(rtp_dummy_payload)); /* Normal RTP packet */ buf = msgb_put(msg_rtp, ARRAY_SIZE(rtp_payload)); memcpy(buf, rtp_payload, ARRAY_SIZE(rtp_payload)); /* Dummy RTP packet with normal RTP packet attached, this must not be * recognized as Dummy RTP packet */ buf = msgb_put(msg_dummy_rtp, ARRAY_SIZE(rtp_dummy_payload)); memcpy(buf, rtp_dummy_payload, ARRAY_SIZE(rtp_dummy_payload)); buf = msgb_put(msg_dummy_rtp, ARRAY_SIZE(rtp_payload)); memcpy(buf, rtp_payload, ARRAY_SIZE(rtp_payload)); OSMO_ASSERT(mgcp_is_rtp_dummy_payload(msg_dummy) == true); OSMO_ASSERT(mgcp_is_rtp_dummy_payload(msg_rtp) == false); OSMO_ASSERT(mgcp_is_rtp_dummy_payload(msg_dummy_rtp) == false); msgb_free(msg_dummy); msgb_free(msg_rtp); msgb_free(msg_dummy_rtp); } int main(int argc, char **argv) { void *ctx = talloc_named_const(NULL, 0, "mgcp_test"); void *msgb_ctx = msgb_talloc_ctx_init(ctx, 0); osmo_init_logging2(ctx, &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(); test_get_lco_identifier(); test_check_local_cx_options(ctx); test_mgcp_codec_decide(); test_conn_id_matching(); test_e1_trunk_nr_from_epname(); test_mgcp_is_rtp_dummy_payload(); OSMO_ASSERT(talloc_total_size(msgb_ctx) == 0); OSMO_ASSERT(talloc_total_blocks(msgb_ctx) == 1); talloc_free(msgb_ctx); printf("Done\n"); return EXIT_SUCCESS; }