sdptest.cpp 11.2 KB
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/*
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 *  Copyright (C) 2004-2012 Savoir-Faire Linux Inc.
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 *  Author: Emmanuel Milou <emmanuel.milou@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
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 *
 *  Additional permission under GNU GPL version 3 section 7:
 *
 *  If you modify this program, or any covered work, by linking or
 *  combining it with the OpenSSL project's OpenSSL library (or a
 *  modified version of that library), containing parts covered by the
 *  terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
 *  grants you additional permission to convey the resulting work.
 *  Corresponding Source for a non-source form of such a combination
 *  shall include the source code for the parts of OpenSSL used as well
 *  as that of the covered work.
 */

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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
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#include "sdptest.h"
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#include <iostream>
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#include <cstring>
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#include "audio/codecs/audiocodec.h"
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enum session_type {
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    REMOTE_OFFER,
    LOCAL_OFFER,
};

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static const char *sdp_answer1 = "v=0\r\n"
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                                 "o=bob 2890844730 2890844730 IN IP4 host.example.com\r\n"
                                 "s= \r\n"
                                 "c=IN IP4 host.example.com\r\n"
                                 "t=0 0\r\n"
                                 "m=audio 49920 RTP/AVP 0\r\n"
                                 "a=rtpmap:0 PCMU/8000\r\n"
                                 "m=video 53002 RTP/AVP 32\r\n"
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                                 "a=rtpmap:32 MPV/90000\r\n";
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static const char *sdp_offer1 = "v=0\r\n"
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                                "o=bob 2890844730 2890844730 IN IP4 host.example.com\r\n"
                                "s= \r\n"
                                "c=IN IP4 host.example.com\r\n"
                                "t=0 0\r\n"
                                "m=audio 49920 RTP/AVP 0\r\n"
                                "a=rtpmap:0 PCMU/8000\r\n"
                                "m=video 53002 RTP/AVP 32\r\n"
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                                "a=rtpmap:32 MPV/90000\r\n";
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static const char *sdp_answer2 = "v=0\r\n"
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                                 "o=bob 2890844730 2890844730 IN IP4 host.example.com\r\n"
                                 "s= \r\n"
                                 "c=IN IP4 host.example.com\r\n"
                                 "t=0 0\r\n"
                                 "m=audio 49920 RTP/AVP 3 97 9\r\n"
                                 "a=rtpmap:3 GSM/8000\r\n"
                                 "a=rtpmap:97 iLBC/8000\r\n"
                                 "a=rtpmap:9 G722/8000\r\n"
                                 "m=video 53002 RTP/AVP 32\r\n"
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                                 "a=rtpmap:32 MPV/90000\r\n";
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static const char *sdp_offer2 = "v=0\r\n"
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                                "o=bob 2890844730 2890844730 IN IP4 host.example.com\r\n"
                                "s= \r\n"
                                "c=IN IP4 host.example.com\r\n"
                                "t=0 0\r\n"
                                "m=audio 49920 RTP/AVP 3 97 9\r\n"
                                "a=rtpmap:3 GSM/8000\r\n"
                                "a=rtpmap:97 iLBC/8000\r\n"
                                "a=rtpmap:9 G722/8000\r\n"
                                "m=video 53002 RTP/AVP 32\r\n"
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                                "a=rtpmap:32 MPV/90000\r\n";
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static const char *sdp_reinvite = "v=0\r\n"
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                                  "o=bob 2890844730 2890844730 IN IP4 host.example.com\r\n"
                                  "s= \r\n"
                                  "c=IN IP4 host.exampleReinvite.com\r\n"
                                  "t=0 0\r\n"
                                  "m=audio 42445 RTP/AVP 0\r\n"
                                  "a=rtpmap:0 PCMU/8000\r\n"
                                  "m=video 53002 RTP/AVP 32\r\n"
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                                  "a=rtpmap:32 MPV/90000\r\n";
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static const char *const LOCALHOST = "127.0.0.1";
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void SDPTest::setUp()
{
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    pj_caching_pool_init(&poolCache_, &pj_pool_factory_default_policy, 0);
    testPool_ = pj_pool_create(&poolCache_.factory, "sdptest", 4000, 4000, NULL);
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    session_ = new Sdp(testPool_);
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}

void SDPTest::tearDown()
{
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    delete session_;
    session_ = NULL;
    pj_pool_release(testPool_);
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}

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void SDPTest::receiveAnswerAfterInitialOffer(const pjmedia_sdp_session* remote)
{
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    CPPUNIT_ASSERT(pjmedia_sdp_neg_get_state(session_->negotiator_) == PJMEDIA_SDP_NEG_STATE_LOCAL_OFFER);
    CPPUNIT_ASSERT(pjmedia_sdp_neg_set_remote_answer(session_->memPool_, session_->negotiator_, remote) == PJ_SUCCESS);
    CPPUNIT_ASSERT(pjmedia_sdp_neg_get_state(session_->negotiator_) == PJMEDIA_SDP_NEG_STATE_WAIT_NEGO);
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}
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namespace {
std::vector<std::map<std::string, std::string> >
    createVideoCodecs() {
        std::vector<std::map<std::string, std::string> > videoCodecs;
#ifdef SFL_VIDEO
        std::map<std::string, std::string> codec;
        codec["name"] = "H264";
        codec["enabled"] = "true";
        videoCodecs.push_back(codec);
        codec["name"] = "H263";
        videoCodecs.push_back(codec);
#endif
        return videoCodecs;
    }
}

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void SDPTest::testInitialOfferFirstCodec()
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{
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    std::cout << "------------ SDPTest::testInitialOfferFirstCodec --------------" << std::endl;
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    CPPUNIT_ASSERT(session_->getLocalIP().empty());
    CPPUNIT_ASSERT(session_->getRemoteIP().empty());
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    std::vector<int> codecSelection;
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    codecSelection.push_back(PAYLOAD_CODEC_ULAW);
    codecSelection.push_back(PAYLOAD_CODEC_ALAW);
    codecSelection.push_back(PAYLOAD_CODEC_G722);
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    std::vector<std::map<std::string, std::string> > videoCodecs(createVideoCodecs());
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    session_->setLocalIP(LOCALHOST);
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    session_->setLocalPublishedAudioPort(49567);
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    session_->createOffer(codecSelection, videoCodecs);
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    pjmedia_sdp_session *remoteAnswer;
    pjmedia_sdp_parse(testPool_, (char*) sdp_answer1, strlen(sdp_answer1), &remoteAnswer);
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    receiveAnswerAfterInitialOffer(remoteAnswer);
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    session_->startNegotiation();
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    session_->setMediaTransportInfoFromRemoteSdp();
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    CPPUNIT_ASSERT(session_->getLocalIP() == LOCALHOST);
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    CPPUNIT_ASSERT(session_->getRemoteIP() == "host.example.com");
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}

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void SDPTest::testInitialAnswerFirstCodec()
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{
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    std::cout << "------------ SDPTest::testInitialAnswerFirstCodec -------------" << std::endl;
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    CPPUNIT_ASSERT(session_->getLocalIP().empty());
    CPPUNIT_ASSERT(session_->getRemoteIP().empty());
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    std::vector<int> codecSelection;
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    pjmedia_sdp_session *remoteOffer;

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    codecSelection.push_back(PAYLOAD_CODEC_ULAW);
    codecSelection.push_back(PAYLOAD_CODEC_ALAW);
    codecSelection.push_back(PAYLOAD_CODEC_G722);
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    pjmedia_sdp_parse(testPool_, (char*) sdp_offer1, strlen(sdp_offer1), &remoteOffer);
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    session_->setLocalIP(LOCALHOST);
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    session_->setLocalPublishedAudioPort(49567);
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    session_->receiveOffer(remoteOffer, codecSelection, createVideoCodecs());
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    session_->startNegotiation();
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    session_->setMediaTransportInfoFromRemoteSdp();
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    CPPUNIT_ASSERT(session_->getLocalIP() == LOCALHOST);
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    CPPUNIT_ASSERT(session_->getRemoteIP() == "host.example.com");
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}

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void SDPTest::testInitialOfferLastCodec()
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{
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    std::cout << "------------ SDPTest::testInitialOfferLastCodec --------------------" << std::endl;
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    CPPUNIT_ASSERT(session_->getLocalIP().empty());
    CPPUNIT_ASSERT(session_->getRemoteIP().empty());
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    std::vector<int> codecSelection;
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    codecSelection.push_back(PAYLOAD_CODEC_ULAW);
    codecSelection.push_back(PAYLOAD_CODEC_ALAW);
    codecSelection.push_back(PAYLOAD_CODEC_G722);
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    session_->setLocalIP(LOCALHOST);
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    session_->setLocalPublishedAudioPort(49567);
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    session_->createOffer(codecSelection, createVideoCodecs());
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    pjmedia_sdp_session *remoteAnswer;
    pjmedia_sdp_parse(testPool_, (char*) sdp_answer2, strlen(sdp_answer2), &remoteAnswer);
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    receiveAnswerAfterInitialOffer(remoteAnswer);
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    session_->startNegotiation();
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    session_->setMediaTransportInfoFromRemoteSdp();
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    CPPUNIT_ASSERT(session_->getLocalIP() == LOCALHOST);
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    CPPUNIT_ASSERT(session_->getRemoteIP() == "host.example.com");
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}

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void SDPTest::testInitialAnswerLastCodec()
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{
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    std::cout << "------------ SDPTest::testInitialAnswerLastCodec ------------" << std::endl;
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    CPPUNIT_ASSERT(session_->getLocalIP().empty());
    CPPUNIT_ASSERT(session_->getRemoteIP().empty());
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    std::vector<int> codecSelection;
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    pjmedia_sdp_session *remoteOffer;
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    codecSelection.push_back(PAYLOAD_CODEC_ULAW);
    codecSelection.push_back(PAYLOAD_CODEC_ALAW);
    codecSelection.push_back(PAYLOAD_CODEC_G722);
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    pjmedia_sdp_parse(testPool_, (char*)sdp_offer2, strlen(sdp_offer2), &remoteOffer);
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    session_->setLocalIP(LOCALHOST);
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    session_->setLocalPublishedAudioPort(49567);
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    session_->receiveOffer(remoteOffer, codecSelection, createVideoCodecs());
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    session_->startNegotiation();
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    session_->setMediaTransportInfoFromRemoteSdp();
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    CPPUNIT_ASSERT(session_->getLocalIP() == LOCALHOST);
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    CPPUNIT_ASSERT(session_->getRemoteIP() == "host.example.com");
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}


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void SDPTest::testReinvite()
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{
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    std::cout << "------------ SDPTest::testReinvite --------------------" << std::endl;
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    CPPUNIT_ASSERT(session_->getLocalIP().empty());
    CPPUNIT_ASSERT(session_->getRemoteIP().empty());
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    std::vector<int> codecSelection;
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    codecSelection.push_back(PAYLOAD_CODEC_ULAW);
    codecSelection.push_back(PAYLOAD_CODEC_ALAW);
    codecSelection.push_back(PAYLOAD_CODEC_G722);
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    session_->setLocalIP(LOCALHOST);
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    session_->setLocalPublishedAudioPort(49567);
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    std::vector<std::map<std::string, std::string> > videoCodecs(createVideoCodecs());
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    session_->createOffer(codecSelection, videoCodecs);
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    pjmedia_sdp_session *remoteAnswer;
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    // pjmedia_sdp_parse(testPool_, test[0].offer_answer[0].sdp2, strlen(test[0].offer_answer[0].sdp2), &remoteAnswer);
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    pjmedia_sdp_parse(testPool_, (char*) sdp_answer1, strlen(sdp_answer1), &remoteAnswer);
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    receiveAnswerAfterInitialOffer(remoteAnswer);
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    session_->startNegotiation();
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    session_->setMediaTransportInfoFromRemoteSdp();
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    CPPUNIT_ASSERT(session_->getLocalIP() == LOCALHOST);
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    CPPUNIT_ASSERT(session_->getRemoteIP() == "host.example.com");
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    sfl::AudioCodec *codec = session_->getSessionAudioMedia();
    CPPUNIT_ASSERT(codec and codec->getMimeSubtype() == "PCMU");
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    pjmedia_sdp_session *reinviteOffer;
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    pjmedia_sdp_parse(testPool_, (char*) sdp_reinvite, strlen(sdp_reinvite), &reinviteOffer);
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    session_->receiveOffer(reinviteOffer, codecSelection, videoCodecs);
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    session_->startNegotiation();
    session_->setMediaTransportInfoFromRemoteSdp();
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    CPPUNIT_ASSERT(session_->getRemoteIP() == "host.exampleReinvite.com");
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}