2011-01-06 18:32:52 +00:00
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/*
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2012-10-22 16:09:35 +00:00
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* (C) 2011-2012 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2011-2012 by On-Waves
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2011-01-06 18:32:52 +00:00
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <openbsc/mgcp.h>
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2011-02-28 13:37:03 +00:00
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#include <openbsc/mgcp_internal.h>
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2011-01-06 18:32:52 +00:00
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2011-05-12 14:02:07 +00:00
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#include <osmocom/core/application.h>
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2011-03-22 15:47:59 +00:00
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#include <osmocom/core/talloc.h>
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2011-01-06 18:32:52 +00:00
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#include <string.h>
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2012-10-22 16:09:35 +00:00
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#include <limits.h>
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2011-01-06 18:32:52 +00:00
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2012-01-26 23:00:44 +00:00
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#define AUEP1 "AUEP 158663169 ds/e1-1/2@172.16.6.66 MGCP 1.0\r\n"
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2012-01-26 23:36:56 +00:00
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#define AUEP1_RET "200 158663169 OK\r\n"
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2012-01-26 23:00:44 +00:00
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#define AUEP2 "AUEP 18983213 ds/e1-2/1@172.16.6.66 MGCP 1.0\r\n"
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2012-01-26 23:36:56 +00:00
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#define AUEP2_RET "500 18983213 FAIL\r\n"
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2012-03-16 08:53:49 +00:00
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#define EMPTY "\r\n"
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#define EMPTY_RET NULL
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#define SHORT "CRCX \r\n"
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#define SHORT_RET "510 000000 FAIL\r\n"
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2012-12-10 11:54:57 +00:00
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#define MDCX_WRONG_EP "MDCX 18983213 ds/e1-3/1@172.16.6.66 MGCP 1.0\r\n"
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#define MDCX_ERR_RET "510 18983213 FAIL\r\n"
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#define MDCX_UNALLOCATED "MDCX 18983214 ds/e1-1/2@172.16.6.66 MGCP 1.0\r\n"
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#define MDCX_RET "400 18983214 FAIL\r\n"
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#define MDCX3 "MDCX 18983215 1@mgw MGCP 1.0\r\n"
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#define MDCX3_RET "200 18983215 OK\r\n" \
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"I: 1\n" \
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"\n" \
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"v=0\r\n" \
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"o=- 1 23 IN IP4 0.0.0.0\r\n" \
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"c=IN IP4 0.0.0.0\r\n" \
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"t=0 0\r\n" \
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"m=audio 0 RTP/AVP 126\r\n" \
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"a=rtpmap:126 AMR/8000\r\n"
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2012-03-16 08:53:49 +00:00
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#define SHORT2 "CRCX 1"
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#define SHORT2_RET "510 000000 FAIL\r\n"
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#define SHORT3 "CRCX 1 1@mgw"
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#define SHORT4 "CRCX 1 1@mgw MGCP"
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#define SHORT5 "CRCX 1 1@mgw MGCP 1.0"
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2012-01-26 23:36:56 +00:00
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2012-01-26 23:37:23 +00:00
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#define CRCX "CRCX 2 1@mgw MGCP 1.0\r\n" \
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"M: sendrecv\r\n" \
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"C: 2\r\n" \
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"\r\n" \
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"v=0\r\n" \
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"c=IN IP4 123.12.12.123\r\n" \
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"m=audio 5904 RTP/AVP 97\r\n" \
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"a=rtpmap:97 GSM-EFR/8000\r\n"
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#define CRCX_RET "200 2 OK\r\n" \
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"I: 1\n" \
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"\n" \
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"v=0\r\n" \
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"o=- 1 23 IN IP4 0.0.0.0\r\n" \
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"c=IN IP4 0.0.0.0\r\n" \
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"t=0 0\r\n" \
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"m=audio 0 RTP/AVP 126\r\n" \
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"a=rtpmap:126 AMR/8000\r\n"
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#define CRCX_ZYN "CRCX 2 1@mgw MGCP 1.0\r" \
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"M: sendrecv\r" \
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"C: 2\r\r" \
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"v=0\r" \
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"c=IN IP4 123.12.12.123\r" \
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"m=audio 5904 RTP/AVP 97\r" \
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"a=rtpmap:97 GSM-EFR/8000\r"
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2012-01-26 23:36:56 +00:00
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2012-12-07 13:42:03 +00:00
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#define CRCX_ZYN_RET "200 2 OK\r\n" \
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"I: 2\n" \
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"\n" \
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"v=0\r\n" \
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"o=- 2 23 IN IP4 0.0.0.0\r\n" \
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"c=IN IP4 0.0.0.0\r\n" \
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"t=0 0\r\n" \
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"m=audio 0 RTP/AVP 126\r\n" \
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"a=rtpmap:126 AMR/8000\r\n"
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2012-09-14 15:18:12 +00:00
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#define DLCX "DLCX 7 1@mgw MGCP 1.0\r\n" \
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"C: 2\r\n"
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#define DLCX_RET "250 7 OK\r\n" \
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2013-11-25 11:53:28 +00:00
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"P: PS=0, OS=0, PR=0, OR=0, PL=0, JI=0\r\n" \
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"X-Osmo-CP: EC TIS=0, TOS=0, TIR=0, TOR=0\r\n"
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2012-09-14 15:18:12 +00:00
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2012-11-29 11:54:22 +00:00
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#define RQNT "RQNT 186908780 1@mgw MGCP 1.0\r\n" \
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"X: B244F267488\r\n" \
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"S: D/9\r\n"
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2012-12-07 14:04:07 +00:00
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#define RQNT2 "RQNT 186908781 1@mgw MGCP 1.0\r\n" \
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2012-11-29 11:54:22 +00:00
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"X: ADD4F26746F\r\n" \
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"R: D/[0-9#*](N), G/ft, fxr/t38\r\n"
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2012-12-07 14:04:07 +00:00
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#define RQNT1_RET "200 186908780 OK\r\n"
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#define RQNT2_RET "200 186908781 OK\r\n"
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2012-09-14 15:18:12 +00:00
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2012-01-26 23:36:56 +00:00
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struct mgcp_test {
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const char *name;
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const char *req;
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const char *exp_resp;
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};
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2012-12-07 13:42:03 +00:00
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static const struct mgcp_test tests[] = {
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2012-01-26 23:36:56 +00:00
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{ "AUEP1", AUEP1, AUEP1_RET },
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{ "AUEP2", AUEP2, AUEP2_RET },
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2012-12-10 11:54:57 +00:00
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{ "MDCX1", MDCX_WRONG_EP, MDCX_ERR_RET },
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{ "MDCX2", MDCX_UNALLOCATED, MDCX_RET },
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2012-01-26 23:37:23 +00:00
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{ "CRCX", CRCX, CRCX_RET },
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2012-12-10 11:54:57 +00:00
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{ "MDCX3", MDCX3, MDCX3_RET },
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2012-12-07 13:42:03 +00:00
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{ "DLCX", DLCX, DLCX_RET },
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{ "CRCX_ZYN", CRCX_ZYN, CRCX_ZYN_RET },
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2012-03-16 08:53:49 +00:00
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{ "EMPTY", EMPTY, EMPTY_RET },
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{ "SHORT1", SHORT, SHORT_RET },
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{ "SHORT2", SHORT2, SHORT2_RET },
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{ "SHORT3", SHORT3, SHORT2_RET },
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{ "SHORT4", SHORT4, SHORT2_RET },
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2012-12-07 14:04:07 +00:00
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{ "RQNT1", RQNT, RQNT1_RET },
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{ "RQNT2", RQNT2, RQNT2_RET },
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{ "DLCX", DLCX, DLCX_RET },
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};
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static const struct mgcp_test retransmit[] = {
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{ "CRCX", CRCX, CRCX_RET },
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{ "RQNT1", RQNT, RQNT1_RET },
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{ "RQNT2", RQNT2, RQNT2_RET },
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{ "MDCX3", MDCX3, MDCX3_RET },
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2012-09-14 15:18:12 +00:00
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{ "DLCX", DLCX, DLCX_RET },
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2012-01-26 23:36:56 +00:00
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};
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2011-01-06 18:32:52 +00:00
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2012-01-26 23:00:44 +00:00
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static struct msgb *create_msg(const char *str)
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2011-01-06 18:32:52 +00:00
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{
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struct msgb *msg;
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msg = msgb_alloc_headroom(4096, 128, "MGCP msg");
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2012-01-26 23:00:44 +00:00
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int len = sprintf((char *)msg->data, str);
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2011-01-06 18:32:52 +00:00
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msg->l2h = msgb_put(msg, len);
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return msg;
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}
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2012-03-16 08:45:13 +00:00
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static void test_messages(void)
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2011-01-06 18:32:52 +00:00
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{
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2012-01-06 14:04:43 +00:00
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struct mgcp_config *cfg;
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2012-01-26 23:36:56 +00:00
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int i;
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2012-01-06 14:04:43 +00:00
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cfg = mgcp_config_alloc();
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2012-01-26 23:36:56 +00:00
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2011-02-27 23:56:17 +00:00
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cfg->trunk.number_endpoints = 64;
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2011-02-28 13:37:03 +00:00
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mgcp_endpoints_allocate(&cfg->trunk);
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mgcp_endpoints_allocate(mgcp_trunk_alloc(cfg, 1));
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2011-01-06 18:32:52 +00:00
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2012-01-26 23:36:56 +00:00
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for (i = 0; i < ARRAY_SIZE(tests); i++) {
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const struct mgcp_test *t = &tests[i];
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struct msgb *inp;
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struct msgb *msg;
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printf("Testing %s\n", t->name);
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inp = create_msg(t->req);
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msg = mgcp_handle_message(cfg, inp);
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msgb_free(inp);
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2012-03-16 08:53:49 +00:00
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if (!t->exp_resp) {
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if (msg)
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printf("%s failed '%s'\n", t->name, (char *) msg->data);
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} else if (strcmp((char *) msg->data, t->exp_resp) != 0)
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2012-01-26 23:36:56 +00:00
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printf("%s failed '%s'\n", t->name, (char *) msg->data);
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msgb_free(msg);
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}
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2011-01-06 18:32:52 +00:00
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talloc_free(cfg);
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}
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2012-12-07 14:04:07 +00:00
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static void test_retransmission(void)
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{
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struct mgcp_config *cfg;
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int i;
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cfg = mgcp_config_alloc();
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cfg->trunk.number_endpoints = 64;
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mgcp_endpoints_allocate(&cfg->trunk);
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mgcp_endpoints_allocate(mgcp_trunk_alloc(cfg, 1));
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for (i = 0; i < ARRAY_SIZE(retransmit); i++) {
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const struct mgcp_test *t = &retransmit[i];
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struct msgb *inp;
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struct msgb *msg;
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printf("Testing %s\n", t->name);
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inp = create_msg(t->req);
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msg = mgcp_handle_message(cfg, inp);
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msgb_free(inp);
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if (strcmp((char *) msg->data, t->exp_resp) != 0)
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printf("%s failed '%s'\n", t->name, (char *) msg->data);
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msgb_free(msg);
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/* Retransmit... */
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printf("Re-transmitting %s\n", t->name);
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inp = create_msg(t->req);
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msg = mgcp_handle_message(cfg, inp);
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msgb_free(inp);
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if (strcmp((char *) msg->data, t->exp_resp) != 0)
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printf("%s failed '%s'\n", t->name, (char *) msg->data);
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msgb_free(msg);
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}
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talloc_free(cfg);
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}
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static int rqnt_cb(struct mgcp_endpoint *endp, char _tone)
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2012-11-29 11:54:22 +00:00
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{
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ptrdiff_t tone = _tone;
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endp->cfg->data = (void *) tone;
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return 0;
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}
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static void test_rqnt_cb(void)
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{
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struct mgcp_config *cfg;
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struct msgb *inp, *msg;
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cfg = mgcp_config_alloc();
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cfg->rqnt_cb = rqnt_cb;
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cfg->trunk.number_endpoints = 64;
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mgcp_endpoints_allocate(&cfg->trunk);
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mgcp_endpoints_allocate(mgcp_trunk_alloc(cfg, 1));
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inp = create_msg(CRCX);
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msgb_free(mgcp_handle_message(cfg, inp));
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msgb_free(inp);
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/* send the RQNT and check for the CB */
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inp = create_msg(RQNT);
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msg = mgcp_handle_message(cfg, inp);
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if (strncmp((const char *) msg->l2h, "200", 3) != 0) {
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printf("FAILED: message is not 200. '%s'\n", msg->l2h);
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abort();
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}
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if (cfg->data != (void *) '9') {
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printf("FAILED: callback not called: %p\n", cfg->data);
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abort();
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}
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msgb_free(msg);
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msgb_free(inp);
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inp = create_msg(DLCX);
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msgb_free(mgcp_handle_message(cfg, inp));
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msgb_free(inp);
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talloc_free(cfg);
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}
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2012-10-22 16:09:35 +00:00
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struct pl_test {
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int cycles;
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uint16_t base_seq;
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uint16_t max_seq;
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uint32_t packets;
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uint32_t expected;
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int loss;
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};
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static const struct pl_test pl_test_dat[] = {
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/* basic.. just one package */
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{ .cycles = 0, .base_seq = 0, .max_seq = 0, .packets = 1, .expected = 1, .loss = 0},
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/* some packages and a bit of loss */
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{ .cycles = 0, .base_seq = 0, .max_seq = 100, .packets = 100, .expected = 101, .loss = 1},
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/* wrap around */
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{ .cycles = 1<<16, .base_seq = 0xffff, .max_seq = 2, .packets = 4, .expected = 4, .loss = 0},
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/* min loss */
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{ .cycles = 0, .base_seq = 0, .max_seq = 0, .packets = UINT_MAX, .expected = 1, .loss = INT_MIN },
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/* max loss, with wrap around on expected max */
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{ .cycles = INT_MAX, .base_seq = 0, .max_seq = UINT16_MAX, .packets = 0, .expected = ((uint32_t)(INT_MAX) + UINT16_MAX + 1), .loss = INT_MAX },
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};
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static void test_packet_loss_calc(void)
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|
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{
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int i;
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|
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printf("Testing packet loss calculation.\n");
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for (i = 0; i < ARRAY_SIZE(pl_test_dat); ++i) {
|
|
|
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uint32_t expected;
|
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|
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int loss;
|
|
|
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struct mgcp_rtp_state state;
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|
|
|
struct mgcp_rtp_end rtp;
|
|
|
|
memset(&state, 0, sizeof(state));
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|
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memset(&rtp, 0, sizeof(rtp));
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|
state.initialized = 1;
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|
|
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state.base_seq = pl_test_dat[i].base_seq;
|
2013-11-25 11:53:28 +00:00
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|
state.out_stream.last_seq = pl_test_dat[i].max_seq;
|
2012-10-22 16:09:35 +00:00
|
|
|
state.cycles = pl_test_dat[i].cycles;
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|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-10-24 19:53:40 +00:00
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
2011-01-06 18:32:52 +00:00
|
|
|
int main(int argc, char **argv)
|
|
|
|
{
|
2011-05-12 14:02:07 +00:00
|
|
|
osmo_init_logging(&log_info);
|
2011-01-06 18:32:52 +00:00
|
|
|
|
2012-03-16 08:45:13 +00:00
|
|
|
test_messages();
|
2012-12-07 14:04:07 +00:00
|
|
|
test_retransmission();
|
2012-10-22 16:09:35 +00:00
|
|
|
test_packet_loss_calc();
|
2012-11-29 11:54:22 +00:00
|
|
|
test_rqnt_cb();
|
2012-10-24 19:53:40 +00:00
|
|
|
test_mgcp_stats();
|
2012-01-06 14:04:43 +00:00
|
|
|
|
|
|
|
printf("Done\n");
|
|
|
|
return EXIT_SUCCESS;
|
2011-01-06 18:32:52 +00:00
|
|
|
}
|