| /* |
| * libjingle |
| * Copyright 2012 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <string> |
| |
| #include "talk/app/webrtc/jsepicecandidate.h" |
| #include "talk/app/webrtc/jsepsessiondescription.h" |
| #include "webrtc/p2p/base/candidate.h" |
| #include "webrtc/p2p/base/constants.h" |
| #include "webrtc/p2p/base/sessiondescription.h" |
| #include "talk/session/media/mediasession.h" |
| #include "webrtc/base/gunit.h" |
| #include "webrtc/base/helpers.h" |
| #include "webrtc/base/scoped_ptr.h" |
| #include "webrtc/base/ssladapter.h" |
| #include "webrtc/base/stringencode.h" |
| |
| using webrtc::IceCandidateCollection; |
| using webrtc::IceCandidateInterface; |
| using webrtc::JsepIceCandidate; |
| using webrtc::JsepSessionDescription; |
| using webrtc::SessionDescriptionInterface; |
| using rtc::scoped_ptr; |
| |
| static const char kCandidateUfrag[] = "ufrag"; |
| static const char kCandidatePwd[] = "pwd"; |
| static const char kCandidateUfragVoice[] = "ufrag_voice"; |
| static const char kCandidatePwdVoice[] = "pwd_voice"; |
| static const char kCandidateUfragVideo[] = "ufrag_video"; |
| static const char kCandidatePwdVideo[] = "pwd_video"; |
| |
| // This creates a session description with both audio and video media contents. |
| // In SDP this is described by two m lines, one audio and one video. |
| static cricket::SessionDescription* CreateCricketSessionDescription() { |
| cricket::SessionDescription* desc(new cricket::SessionDescription()); |
| // AudioContentDescription |
| scoped_ptr<cricket::AudioContentDescription> audio( |
| new cricket::AudioContentDescription()); |
| |
| // VideoContentDescription |
| scoped_ptr<cricket::VideoContentDescription> video( |
| new cricket::VideoContentDescription()); |
| |
| audio->AddCodec(cricket::AudioCodec(103, "ISAC", 16000, 0, 0, 0)); |
| desc->AddContent(cricket::CN_AUDIO, cricket::NS_JINGLE_RTP, |
| audio.release()); |
| |
| video->AddCodec(cricket::VideoCodec(120, "VP8", 640, 480, 30, 0)); |
| desc->AddContent(cricket::CN_VIDEO, cricket::NS_JINGLE_RTP, |
| video.release()); |
| |
| EXPECT_TRUE(desc->AddTransportInfo( |
| cricket::TransportInfo( |
| cricket::CN_AUDIO, |
| cricket::TransportDescription( |
| cricket::NS_GINGLE_P2P, |
| std::vector<std::string>(), |
| kCandidateUfragVoice, kCandidatePwdVoice, |
| cricket::ICEMODE_FULL, |
| cricket::CONNECTIONROLE_NONE, |
| NULL, cricket::Candidates())))); |
| EXPECT_TRUE(desc->AddTransportInfo( |
| cricket::TransportInfo(cricket::CN_VIDEO, |
| cricket::TransportDescription( |
| cricket::NS_GINGLE_P2P, |
| std::vector<std::string>(), |
| kCandidateUfragVideo, kCandidatePwdVideo, |
| cricket::ICEMODE_FULL, |
| cricket::CONNECTIONROLE_NONE, |
| NULL, cricket::Candidates())))); |
| return desc; |
| } |
| |
| class JsepSessionDescriptionTest : public testing::Test { |
| protected: |
| virtual void SetUp() { |
| int port = 1234; |
| rtc::SocketAddress address("127.0.0.1", port++); |
| cricket::Candidate candidate(cricket::ICE_CANDIDATE_COMPONENT_RTP, "udp", |
| address, 1, "", "", "local", 0, "1"); |
| candidate_ = candidate; |
| const std::string session_id = |
| rtc::ToString(rtc::CreateRandomId64()); |
| const std::string session_version = |
| rtc::ToString(rtc::CreateRandomId()); |
| jsep_desc_.reset(new JsepSessionDescription("dummy")); |
| ASSERT_TRUE(jsep_desc_->Initialize(CreateCricketSessionDescription(), |
| session_id, session_version)); |
| } |
| |
| std::string Serialize(const SessionDescriptionInterface* desc) { |
| std::string sdp; |
| EXPECT_TRUE(desc->ToString(&sdp)); |
| EXPECT_FALSE(sdp.empty()); |
| return sdp; |
| } |
| |
| SessionDescriptionInterface* DeSerialize(const std::string& sdp) { |
| JsepSessionDescription* desc(new JsepSessionDescription("dummy")); |
| EXPECT_TRUE(desc->Initialize(sdp, NULL)); |
| return desc; |
| } |
| |
| cricket::Candidate candidate_; |
| rtc::scoped_ptr<JsepSessionDescription> jsep_desc_; |
| }; |
| |
| // Test that number_of_mediasections() returns the number of media contents in |
| // a session description. |
| TEST_F(JsepSessionDescriptionTest, CheckSessionDescription) { |
| EXPECT_EQ(2u, jsep_desc_->number_of_mediasections()); |
| } |
| |
| // Test that we can add a candidate to a session description. |
| TEST_F(JsepSessionDescriptionTest, AddCandidateWithoutMid) { |
| JsepIceCandidate jsep_candidate("", 0, candidate_); |
| EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); |
| const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(0); |
| ASSERT_TRUE(ice_candidates != NULL); |
| EXPECT_EQ(1u, ice_candidates->count()); |
| const IceCandidateInterface* ice_candidate = ice_candidates->at(0); |
| ASSERT_TRUE(ice_candidate != NULL); |
| candidate_.set_username(kCandidateUfragVoice); |
| candidate_.set_password(kCandidatePwdVoice); |
| EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_)); |
| EXPECT_EQ(0, ice_candidate->sdp_mline_index()); |
| EXPECT_EQ(0u, jsep_desc_->candidates(1)->count()); |
| } |
| |
| TEST_F(JsepSessionDescriptionTest, AddCandidateWithMid) { |
| // mid and m-line index don't match, in this case mid is preferred. |
| JsepIceCandidate jsep_candidate("video", 0, candidate_); |
| EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); |
| EXPECT_EQ(0u, jsep_desc_->candidates(0)->count()); |
| const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(1); |
| ASSERT_TRUE(ice_candidates != NULL); |
| EXPECT_EQ(1u, ice_candidates->count()); |
| const IceCandidateInterface* ice_candidate = ice_candidates->at(0); |
| ASSERT_TRUE(ice_candidate != NULL); |
| candidate_.set_username(kCandidateUfragVideo); |
| candidate_.set_password(kCandidatePwdVideo); |
| EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_)); |
| // The mline index should have been updated according to mid. |
| EXPECT_EQ(1, ice_candidate->sdp_mline_index()); |
| } |
| |
| TEST_F(JsepSessionDescriptionTest, AddCandidateAlreadyHasUfrag) { |
| candidate_.set_username(kCandidateUfrag); |
| candidate_.set_password(kCandidatePwd); |
| JsepIceCandidate jsep_candidate("audio", 0, candidate_); |
| EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); |
| const IceCandidateCollection* ice_candidates = jsep_desc_->candidates(0); |
| ASSERT_TRUE(ice_candidates != NULL); |
| EXPECT_EQ(1u, ice_candidates->count()); |
| const IceCandidateInterface* ice_candidate = ice_candidates->at(0); |
| ASSERT_TRUE(ice_candidate != NULL); |
| candidate_.set_username(kCandidateUfrag); |
| candidate_.set_password(kCandidatePwd); |
| EXPECT_TRUE(ice_candidate->candidate().IsEquivalent(candidate_)); |
| |
| EXPECT_EQ(0u, jsep_desc_->candidates(1)->count()); |
| } |
| |
| // Test that we can not add a candidate if there is no corresponding media |
| // content in the session description. |
| TEST_F(JsepSessionDescriptionTest, AddBadCandidate) { |
| JsepIceCandidate bad_candidate1("", 55, candidate_); |
| EXPECT_FALSE(jsep_desc_->AddCandidate(&bad_candidate1)); |
| |
| JsepIceCandidate bad_candidate2("some weird mid", 0, candidate_); |
| EXPECT_FALSE(jsep_desc_->AddCandidate(&bad_candidate2)); |
| } |
| |
| // Tests that repeatedly adding the same candidate, with or without credentials, |
| // does not increase the number of candidates in the description. |
| TEST_F(JsepSessionDescriptionTest, AddCandidateDuplicates) { |
| JsepIceCandidate jsep_candidate("", 0, candidate_); |
| EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); |
| EXPECT_EQ(1u, jsep_desc_->candidates(0)->count()); |
| |
| // Add the same candidate again. It should be ignored. |
| EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); |
| EXPECT_EQ(1u, jsep_desc_->candidates(0)->count()); |
| |
| // Create a new candidate, identical except that the ufrag and pwd are now |
| // populated. |
| candidate_.set_username(kCandidateUfragVoice); |
| candidate_.set_password(kCandidatePwdVoice); |
| JsepIceCandidate jsep_candidate_with_credentials("", 0, candidate_); |
| |
| // This should also be identified as redundant and ignored. |
| EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate_with_credentials)); |
| EXPECT_EQ(1u, jsep_desc_->candidates(0)->count()); |
| } |
| |
| // Test that we can serialize a JsepSessionDescription and deserialize it again. |
| TEST_F(JsepSessionDescriptionTest, SerializeDeserialize) { |
| std::string sdp = Serialize(jsep_desc_.get()); |
| |
| scoped_ptr<SessionDescriptionInterface> parsed_jsep_desc(DeSerialize(sdp)); |
| EXPECT_EQ(2u, parsed_jsep_desc->number_of_mediasections()); |
| |
| std::string parsed_sdp = Serialize(parsed_jsep_desc.get()); |
| EXPECT_EQ(sdp, parsed_sdp); |
| } |
| |
| // Tests that we can serialize and deserialize a JsepSesssionDescription |
| // with candidates. |
| TEST_F(JsepSessionDescriptionTest, SerializeDeserializeWithCandidates) { |
| std::string sdp = Serialize(jsep_desc_.get()); |
| |
| // Add a candidate and check that the serialized result is different. |
| JsepIceCandidate jsep_candidate("audio", 0, candidate_); |
| EXPECT_TRUE(jsep_desc_->AddCandidate(&jsep_candidate)); |
| std::string sdp_with_candidate = Serialize(jsep_desc_.get()); |
| EXPECT_NE(sdp, sdp_with_candidate); |
| |
| scoped_ptr<SessionDescriptionInterface> parsed_jsep_desc( |
| DeSerialize(sdp_with_candidate)); |
| std::string parsed_sdp_with_candidate = Serialize(parsed_jsep_desc.get()); |
| |
| EXPECT_EQ(sdp_with_candidate, parsed_sdp_with_candidate); |
| } |