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| 1 /* | |
| 2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include <memory> | |
| 12 #include <string> | |
| 13 | |
| 14 #include "webrtc/api/jsepicecandidate.h" | |
| 15 #include "webrtc/api/jsepsessiondescription.h" | |
| 16 #include "webrtc/base/gunit.h" | |
| 17 #include "webrtc/base/helpers.h" | |
| 18 #include "webrtc/base/ssladapter.h" | |
| 19 #include "webrtc/base/stringencode.h" | |
| 20 #include "webrtc/p2p/base/candidate.h" | |
| 21 #include "webrtc/p2p/base/p2pconstants.h" | |
| 22 #include "webrtc/p2p/base/sessiondescription.h" | |
| 23 #include "webrtc/pc/mediasession.h" | |
| 24 | |
| 25 using webrtc::IceCandidateCollection; | |
| 26 using webrtc::IceCandidateInterface; | |
| 27 using webrtc::JsepIceCandidate; | |
| 28 using webrtc::JsepSessionDescription; | |
| 29 using webrtc::SessionDescriptionInterface; | |
| 30 | |
| 31 static const char kCandidateUfrag[] = "ufrag"; | |
| 32 static const char kCandidatePwd[] = "pwd"; | |
| 33 static const char kCandidateUfragVoice[] = "ufrag_voice"; | |
| 34 static const char kCandidatePwdVoice[] = "pwd_voice"; | |
| 35 static const char kCandidateUfragVideo[] = "ufrag_video"; | |
| 36 static const char kCandidatePwdVideo[] = "pwd_video"; | |
| 37 | |
| 38 // This creates a session description with both audio and video media contents. | |
| 39 // In SDP this is described by two m lines, one audio and one video. | |
| 40 static cricket::SessionDescription* CreateCricketSessionDescription() { | |
| 41 cricket::SessionDescription* desc(new cricket::SessionDescription()); | |
| 42 // AudioContentDescription | |
| 43 std::unique_ptr<cricket::AudioContentDescription> audio( | |
| 44 new cricket::AudioContentDescription()); | |
| 45 | |
| 46 // VideoContentDescription | |
| 47 std::unique_ptr<cricket::VideoContentDescription> video( | |
| 48 new cricket::VideoContentDescription()); | |
| 49 | |
| 50 audio->AddCodec(cricket::AudioCodec(103, "ISAC", 16000, 0, 0)); | |
| 51 desc->AddContent(cricket::CN_AUDIO, cricket::NS_JINGLE_RTP, | |
| 52 audio.release()); | |
| 53 | |
| 54 video->AddCodec(cricket::VideoCodec(120, "VP8")); | |
| 55 desc->AddContent(cricket::CN_VIDEO, cricket::NS_JINGLE_RTP, | |
| 56 video.release()); | |
| 57 | |
| 58 EXPECT_TRUE(desc->AddTransportInfo(cricket::TransportInfo( | |
| 59 cricket::CN_AUDIO, | |
| 60 cricket::TransportDescription( | |
| 61 std::vector<std::string>(), kCandidateUfragVoice, kCandidatePwdVoice, | |
| 62 cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_NONE, NULL)))); | |
| 63 EXPECT_TRUE(desc->AddTransportInfo(cricket::TransportInfo( | |
| 64 cricket::CN_VIDEO, | |
| 65 cricket::TransportDescription( | |
| 66 std::vector<std::string>(), kCandidateUfragVideo, kCandidatePwdVideo, | |
| 67 cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_NONE, NULL)))); | |
| 68 return desc; | |
| 69 } | |
| 70 | |
| 71 class JsepSessionDescriptionTest : public testing::Test { | |
| 72 protected: | |
| 73 virtual void SetUp() { | |
| 74 int port = 1234; | |
| 75 rtc::SocketAddress address("127.0.0.1", port++); | |
| 76 cricket::Candidate candidate(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", | |
| 77 address, 1, "", "", "local", 0, "1"); | |
| 78 candidate_ = candidate; | |
| 79 const std::string session_id = | |
| 80 rtc::ToString(rtc::CreateRandomId64()); | |
| 81 const std::string session_version = | |
| 82 rtc::ToString(rtc::CreateRandomId()); | |
| 83 jsep_desc_.reset(new JsepSessionDescription("dummy")); | |
| 84 ASSERT_TRUE(jsep_desc_->Initialize(CreateCricketSessionDescription(), | |
| 85 session_id, session_version)); | |
| 86 } | |
| 87 | |
| 88 std::string Serialize(const SessionDescriptionInterface* desc) { | |
| 89 std::string sdp; | |
| 90 EXPECT_TRUE(desc->ToString(&sdp)); | |
| 91 EXPECT_FALSE(sdp.empty()); | |
| 92 return sdp; | |
| 93 } | |
| 94 | |
| 95 SessionDescriptionInterface* DeSerialize(const std::string& sdp) { | |
| 96 JsepSessionDescription* desc(new JsepSessionDescription("dummy")); | |
| 97 EXPECT_TRUE(desc->Initialize(sdp, NULL)); | |
| 98 return desc; | |
| 99 } | |
| 100 | |
| 101 cricket::Candidate candidate_; | |
| 102 std::unique_ptr<JsepSessionDescription> jsep_desc_; | |
| 103 }; | |
| 104 | |
| 105 // Test that number_of_mediasections() returns the number of media contents in | |
| 106 // a session description. | |
| 107 TEST_F(JsepSessionDescriptionTest, CheckSessionDescription) { | |
| 108 EXPECT_EQ(2u, jsep_desc_->number_of_mediasections()); | |
| 109 } | |
| 110 | |
| 111 // Test that we can add a candidate to a session description without MID. | |
| 112 TEST_F(JsepSessionDescriptionTest, AddCandidateWithoutMid) { | |
| 113 JsepIceCandidate jsep_candidate("", 0, candidate_); | |
| 114 EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); | |
| 115 const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(0); | |
| 116 ASSERT_TRUE(ice_candidates != NULL); | |
| 117 EXPECT_EQ(1u, ice_candidates->count()); | |
| 118 const IceCandidateInterface* ice_candidate = ice_candidates->at(0); | |
| 119 ASSERT_TRUE(ice_candidate != NULL); | |
| 120 candidate_.set_username(kCandidateUfragVoice); | |
| 121 candidate_.set_password(kCandidatePwdVoice); | |
| 122 EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_)); | |
| 123 EXPECT_EQ(0, ice_candidate->sdp_mline_index()); | |
| 124 EXPECT_EQ(0u, jsep_desc_->candidates(1)->count()); | |
| 125 } | |
| 126 | |
| 127 // Test that we can add and remove candidates to a session description with | |
| 128 // MID. Removing candidates requires MID (transport_name). | |
| 129 TEST_F(JsepSessionDescriptionTest, AddAndRemoveCandidatesWithMid) { | |
| 130 // mid and m-line index don't match, in this case mid is preferred. | |
| 131 std::string mid = "video"; | |
| 132 JsepIceCandidate jsep_candidate(mid, 0, candidate_); | |
| 133 EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); | |
| 134 EXPECT_EQ(0u, jsep_desc_->candidates(0)->count()); | |
| 135 const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(1); | |
| 136 ASSERT_TRUE(ice_candidates != NULL); | |
| 137 EXPECT_EQ(1u, ice_candidates->count()); | |
| 138 const IceCandidateInterface* ice_candidate = ice_candidates->at(0); | |
| 139 ASSERT_TRUE(ice_candidate != NULL); | |
| 140 candidate_.set_username(kCandidateUfragVideo); | |
| 141 candidate_.set_password(kCandidatePwdVideo); | |
| 142 EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_)); | |
| 143 // The mline index should have been updated according to mid. | |
| 144 EXPECT_EQ(1, ice_candidate->sdp_mline_index()); | |
| 145 | |
| 146 std::vector<cricket::Candidate> candidates(1, candidate_); | |
| 147 candidates[0].set_transport_name(mid); | |
| 148 EXPECT_EQ(1u, jsep_desc_->RemoveCandidates(candidates)); | |
| 149 EXPECT_EQ(0u, jsep_desc_->candidates(0)->count()); | |
| 150 EXPECT_EQ(0u, jsep_desc_->candidates(1)->count()); | |
| 151 } | |
| 152 | |
| 153 TEST_F(JsepSessionDescriptionTest, AddCandidateAlreadyHasUfrag) { | |
| 154 candidate_.set_username(kCandidateUfrag); | |
| 155 candidate_.set_password(kCandidatePwd); | |
| 156 JsepIceCandidate jsep_candidate("audio", 0, candidate_); | |
| 157 EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); | |
| 158 const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(0); | |
| 159 ASSERT_TRUE(ice_candidates != NULL); | |
| 160 EXPECT_EQ(1u, ice_candidates->count()); | |
| 161 const IceCandidateInterface* ice_candidate = ice_candidates->at(0); | |
| 162 ASSERT_TRUE(ice_candidate != NULL); | |
| 163 candidate_.set_username(kCandidateUfrag); | |
| 164 candidate_.set_password(kCandidatePwd); | |
| 165 EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_)); | |
| 166 | |
| 167 EXPECT_EQ(0u, jsep_desc_->candidates(1)->count()); | |
| 168 } | |
| 169 | |
| 170 // Test that we can not add a candidate if there is no corresponding media | |
| 171 // content in the session description. | |
| 172 TEST_F(JsepSessionDescriptionTest, AddBadCandidate) { | |
| 173 JsepIceCandidate bad_candidate1("", 55, candidate_); | |
| 174 EXPECT_FALSE(jsep_desc_->AddCandidate(&bad_candidate1)); | |
| 175 | |
| 176 JsepIceCandidate bad_candidate2("some weird mid", 0, candidate_); | |
| 177 EXPECT_FALSE(jsep_desc_->AddCandidate(&bad_candidate2)); | |
| 178 } | |
| 179 | |
| 180 // Tests that repeatedly adding the same candidate, with or without credentials, | |
| 181 // does not increase the number of candidates in the description. | |
| 182 TEST_F(JsepSessionDescriptionTest, AddCandidateDuplicates) { | |
| 183 JsepIceCandidate jsep_candidate("", 0, candidate_); | |
| 184 EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); | |
| 185 EXPECT_EQ(1u, jsep_desc_->candidates(0)->count()); | |
| 186 | |
| 187 // Add the same candidate again. It should be ignored. | |
| 188 EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); | |
| 189 EXPECT_EQ(1u, jsep_desc_->candidates(0)->count()); | |
| 190 | |
| 191 // Create a new candidate, identical except that the ufrag and pwd are now | |
| 192 // populated. | |
| 193 candidate_.set_username(kCandidateUfragVoice); | |
| 194 candidate_.set_password(kCandidatePwdVoice); | |
| 195 JsepIceCandidate jsep_candidate_with_credentials("", 0, candidate_); | |
| 196 | |
| 197 // This should also be identified as redundant and ignored. | |
| 198 EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate_with_credentials)); | |
| 199 EXPECT_EQ(1u, jsep_desc_->candidates(0)->count()); | |
| 200 } | |
| 201 | |
| 202 // Test that we can serialize a JsepSessionDescription and deserialize it again. | |
| 203 TEST_F(JsepSessionDescriptionTest, SerializeDeserialize) { | |
| 204 std::string sdp = Serialize(jsep_desc_.get()); | |
| 205 | |
| 206 std::unique_ptr<SessionDescriptionInterface> parsed_jsep_desc( | |
| 207 DeSerialize(sdp)); | |
| 208 EXPECT_EQ(2u, parsed_jsep_desc->number_of_mediasections()); | |
| 209 | |
| 210 std::string parsed_sdp = Serialize(parsed_jsep_desc.get()); | |
| 211 EXPECT_EQ(sdp, parsed_sdp); | |
| 212 } | |
| 213 | |
| 214 // Tests that we can serialize and deserialize a JsepSesssionDescription | |
| 215 // with candidates. | |
| 216 TEST_F(JsepSessionDescriptionTest, SerializeDeserializeWithCandidates) { | |
| 217 std::string sdp = Serialize(jsep_desc_.get()); | |
| 218 | |
| 219 // Add a candidate and check that the serialized result is different. | |
| 220 JsepIceCandidate jsep_candidate("audio", 0, candidate_); | |
| 221 EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); | |
| 222 std::string sdp_with_candidate = Serialize(jsep_desc_.get()); | |
| 223 EXPECT_NE(sdp, sdp_with_candidate); | |
| 224 | |
| 225 std::unique_ptr<SessionDescriptionInterface> parsed_jsep_desc( | |
| 226 DeSerialize(sdp_with_candidate)); | |
| 227 std::string parsed_sdp_with_candidate = Serialize(parsed_jsep_desc.get()); | |
| 228 | |
| 229 EXPECT_EQ(sdp_with_candidate, parsed_sdp_with_candidate); | |
| 230 } | |
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Chromium Code Reviews
Issue 2514883002:
Create //webrtc/api:libjingle_peerconnection_api + refactorings. (Closed)
