/* * libjingle * Copyright 2009 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 "talk/base/dscp.h" #include "talk/base/fakenetwork.h" #include "talk/base/firewallsocketserver.h" #include "talk/base/gunit.h" #include "talk/base/helpers.h" #include "talk/base/logging.h" #include "talk/base/natserver.h" #include "talk/base/natsocketfactory.h" #include "talk/base/physicalsocketserver.h" #include "talk/base/proxyserver.h" #include "talk/base/socketaddress.h" #include "talk/base/thread.h" #include "talk/base/virtualsocketserver.h" #include "talk/p2p/base/p2ptransportchannel.h" #include "talk/p2p/base/testrelayserver.h" #include "talk/p2p/base/teststunserver.h" #include "talk/p2p/client/basicportallocator.h" using cricket::kDefaultPortAllocatorFlags; using cricket::kMinimumStepDelay; using cricket::kDefaultStepDelay; using cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG; using cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET; using talk_base::SocketAddress; static const int kDefaultTimeout = 1000; static const int kOnlyLocalPorts = cricket::PORTALLOCATOR_DISABLE_STUN | cricket::PORTALLOCATOR_DISABLE_RELAY | cricket::PORTALLOCATOR_DISABLE_TCP; // Addresses on the public internet. static const SocketAddress kPublicAddrs[2] = { SocketAddress("11.11.11.11", 0), SocketAddress("22.22.22.22", 0) }; // IPv6 Addresses on the public internet. static const SocketAddress kIPv6PublicAddrs[2] = { SocketAddress("2400:4030:1:2c00:be30:abcd:efab:cdef", 0), SocketAddress("2620:0:1000:1b03:2e41:38ff:fea6:f2a4", 0) }; // For configuring multihomed clients. static const SocketAddress kAlternateAddrs[2] = { SocketAddress("11.11.11.101", 0), SocketAddress("22.22.22.202", 0) }; // Addresses for HTTP proxy servers. static const SocketAddress kHttpsProxyAddrs[2] = { SocketAddress("11.11.11.1", 443), SocketAddress("22.22.22.1", 443) }; // Addresses for SOCKS proxy servers. static const SocketAddress kSocksProxyAddrs[2] = { SocketAddress("11.11.11.1", 1080), SocketAddress("22.22.22.1", 1080) }; // Internal addresses for NAT boxes. static const SocketAddress kNatAddrs[2] = { SocketAddress("192.168.1.1", 0), SocketAddress("192.168.2.1", 0) }; // Private addresses inside the NAT private networks. static const SocketAddress kPrivateAddrs[2] = { SocketAddress("192.168.1.11", 0), SocketAddress("192.168.2.22", 0) }; // For cascaded NATs, the internal addresses of the inner NAT boxes. static const SocketAddress kCascadedNatAddrs[2] = { SocketAddress("192.168.10.1", 0), SocketAddress("192.168.20.1", 0) }; // For cascaded NATs, private addresses inside the inner private networks. static const SocketAddress kCascadedPrivateAddrs[2] = { SocketAddress("192.168.10.11", 0), SocketAddress("192.168.20.22", 0) }; // The address of the public STUN server. static const SocketAddress kStunAddr("99.99.99.1", cricket::STUN_SERVER_PORT); // The addresses for the public relay server. static const SocketAddress kRelayUdpIntAddr("99.99.99.2", 5000); static const SocketAddress kRelayUdpExtAddr("99.99.99.3", 5001); static const SocketAddress kRelayTcpIntAddr("99.99.99.2", 5002); static const SocketAddress kRelayTcpExtAddr("99.99.99.3", 5003); static const SocketAddress kRelaySslTcpIntAddr("99.99.99.2", 5004); static const SocketAddress kRelaySslTcpExtAddr("99.99.99.3", 5005); // Based on ICE_UFRAG_LENGTH static const char* kIceUfrag[4] = {"TESTICEUFRAG0000", "TESTICEUFRAG0001", "TESTICEUFRAG0002", "TESTICEUFRAG0003"}; // Based on ICE_PWD_LENGTH static const char* kIcePwd[4] = {"TESTICEPWD00000000000000", "TESTICEPWD00000000000001", "TESTICEPWD00000000000002", "TESTICEPWD00000000000003"}; static const uint64 kTiebreaker1 = 11111; static const uint64 kTiebreaker2 = 22222; // This test simulates 2 P2P endpoints that want to establish connectivity // with each other over various network topologies and conditions, which can be // specified in each individial test. // A virtual network (via VirtualSocketServer) along with virtual firewalls and // NATs (via Firewall/NATSocketServer) are used to simulate the various network // conditions. We can configure the IP addresses of the endpoints, // block various types of connectivity, or add arbitrary levels of NAT. // We also run a STUN server and a relay server on the virtual network to allow // our typical P2P mechanisms to do their thing. // For each case, we expect the P2P stack to eventually settle on a specific // form of connectivity to the other side. The test checks that the P2P // negotiation successfully establishes connectivity within a certain time, // and that the result is what we expect. // Note that this class is a base class for use by other tests, who will provide // specialized test behavior. class P2PTransportChannelTestBase : public testing::Test, public talk_base::MessageHandler, public sigslot::has_slots<> { public: P2PTransportChannelTestBase() : main_(talk_base::Thread::Current()), pss_(new talk_base::PhysicalSocketServer), vss_(new talk_base::VirtualSocketServer(pss_.get())), nss_(new talk_base::NATSocketServer(vss_.get())), ss_(new talk_base::FirewallSocketServer(nss_.get())), ss_scope_(ss_.get()), stun_server_(main_, kStunAddr), relay_server_(main_, kRelayUdpIntAddr, kRelayUdpExtAddr, kRelayTcpIntAddr, kRelayTcpExtAddr, kRelaySslTcpIntAddr, kRelaySslTcpExtAddr), socks_server1_(ss_.get(), kSocksProxyAddrs[0], ss_.get(), kSocksProxyAddrs[0]), socks_server2_(ss_.get(), kSocksProxyAddrs[1], ss_.get(), kSocksProxyAddrs[1]), clear_remote_candidates_ufrag_pwd_(false) { ep1_.role_ = cricket::ICEROLE_CONTROLLING; ep2_.role_ = cricket::ICEROLE_CONTROLLED; ep1_.allocator_.reset(new cricket::BasicPortAllocator( &ep1_.network_manager_, kStunAddr, kRelayUdpIntAddr, kRelayTcpIntAddr, kRelaySslTcpIntAddr)); ep2_.allocator_.reset(new cricket::BasicPortAllocator( &ep2_.network_manager_, kStunAddr, kRelayUdpIntAddr, kRelayTcpIntAddr, kRelaySslTcpIntAddr)); } protected: enum Config { OPEN, // Open to the Internet NAT_FULL_CONE, // NAT, no filtering NAT_ADDR_RESTRICTED, // NAT, must send to an addr to recv NAT_PORT_RESTRICTED, // NAT, must send to an addr+port to recv NAT_SYMMETRIC, // NAT, endpoint-dependent bindings NAT_DOUBLE_CONE, // Double NAT, both cone NAT_SYMMETRIC_THEN_CONE, // Double NAT, symmetric outer, cone inner BLOCK_UDP, // Firewall, UDP in/out blocked BLOCK_UDP_AND_INCOMING_TCP, // Firewall, UDP in/out and TCP in blocked BLOCK_ALL_BUT_OUTGOING_HTTP, // Firewall, only TCP out on 80/443 PROXY_HTTPS, // All traffic through HTTPS proxy PROXY_SOCKS, // All traffic through SOCKS proxy NUM_CONFIGS }; struct Result { Result(const std::string& lt, const std::string& lp, const std::string& rt, const std::string& rp, const std::string& lt2, const std::string& lp2, const std::string& rt2, const std::string& rp2, int wait) : local_type(lt), local_proto(lp), remote_type(rt), remote_proto(rp), local_type2(lt2), local_proto2(lp2), remote_type2(rt2), remote_proto2(rp2), connect_wait(wait) { } std::string local_type; std::string local_proto; std::string remote_type; std::string remote_proto; std::string local_type2; std::string local_proto2; std::string remote_type2; std::string remote_proto2; int connect_wait; }; struct ChannelData { bool CheckData(const char* data, int len) { bool ret = false; if (!ch_packets_.empty()) { std::string packet = ch_packets_.front(); ret = (packet == std::string(data, len)); ch_packets_.pop_front(); } return ret; } std::string name_; // TODO - Currently not used. std::list ch_packets_; talk_base::scoped_ptr ch_; }; struct Endpoint { Endpoint() : signaling_delay_(0), role_(cricket::ICEROLE_UNKNOWN), tiebreaker_(0), role_conflict_(false), protocol_type_(cricket::ICEPROTO_GOOGLE) {} bool HasChannel(cricket::TransportChannel* ch) { return (ch == cd1_.ch_.get() || ch == cd2_.ch_.get()); } ChannelData* GetChannelData(cricket::TransportChannel* ch) { if (!HasChannel(ch)) return NULL; if (cd1_.ch_.get() == ch) return &cd1_; else return &cd2_; } void SetSignalingDelay(int delay) { signaling_delay_ = delay; } void SetIceRole(cricket::IceRole role) { role_ = role; } cricket::IceRole ice_role() { return role_; } void SetIceProtocolType(cricket::IceProtocolType type) { protocol_type_ = type; } cricket::IceProtocolType protocol_type() { return protocol_type_; } void SetIceTiebreaker(uint64 tiebreaker) { tiebreaker_ = tiebreaker; } uint64 GetIceTiebreaker() { return tiebreaker_; } void OnRoleConflict(bool role_conflict) { role_conflict_ = role_conflict; } bool role_conflict() { return role_conflict_; } void SetAllocationStepDelay(uint32 delay) { allocator_->set_step_delay(delay); } void SetAllowTcpListen(bool allow_tcp_listen) { allocator_->set_allow_tcp_listen(allow_tcp_listen); } talk_base::FakeNetworkManager network_manager_; talk_base::scoped_ptr allocator_; ChannelData cd1_; ChannelData cd2_; int signaling_delay_; cricket::IceRole role_; uint64 tiebreaker_; bool role_conflict_; cricket::IceProtocolType protocol_type_; }; struct CandidateData : public talk_base::MessageData { CandidateData(cricket::TransportChannel* ch, const cricket::Candidate& c) : channel(ch), candidate(c) { } cricket::TransportChannel* channel; cricket::Candidate candidate; }; ChannelData* GetChannelData(cricket::TransportChannel* channel) { if (ep1_.HasChannel(channel)) return ep1_.GetChannelData(channel); else return ep2_.GetChannelData(channel); } void CreateChannels(int num) { std::string ice_ufrag_ep1_cd1_ch = kIceUfrag[0]; std::string ice_pwd_ep1_cd1_ch = kIcePwd[0]; std::string ice_ufrag_ep2_cd1_ch = kIceUfrag[1]; std::string ice_pwd_ep2_cd1_ch = kIcePwd[1]; ep1_.cd1_.ch_.reset(CreateChannel( 0, cricket::ICE_CANDIDATE_COMPONENT_DEFAULT, ice_ufrag_ep1_cd1_ch, ice_pwd_ep1_cd1_ch, ice_ufrag_ep2_cd1_ch, ice_pwd_ep2_cd1_ch)); ep2_.cd1_.ch_.reset(CreateChannel( 1, cricket::ICE_CANDIDATE_COMPONENT_DEFAULT, ice_ufrag_ep2_cd1_ch, ice_pwd_ep2_cd1_ch, ice_ufrag_ep1_cd1_ch, ice_pwd_ep1_cd1_ch)); if (num == 2) { std::string ice_ufrag_ep1_cd2_ch = kIceUfrag[2]; std::string ice_pwd_ep1_cd2_ch = kIcePwd[2]; std::string ice_ufrag_ep2_cd2_ch = kIceUfrag[3]; std::string ice_pwd_ep2_cd2_ch = kIcePwd[3]; // In BUNDLE each endpoint must share common ICE credentials. if (ep1_.allocator_->flags() & cricket::PORTALLOCATOR_ENABLE_BUNDLE) { ice_ufrag_ep1_cd2_ch = ice_ufrag_ep1_cd1_ch; ice_pwd_ep1_cd2_ch = ice_pwd_ep1_cd1_ch; } if (ep2_.allocator_->flags() & cricket::PORTALLOCATOR_ENABLE_BUNDLE) { ice_ufrag_ep2_cd2_ch = ice_ufrag_ep2_cd1_ch; ice_pwd_ep2_cd2_ch = ice_pwd_ep2_cd1_ch; } ep1_.cd2_.ch_.reset(CreateChannel( 0, cricket::ICE_CANDIDATE_COMPONENT_DEFAULT, ice_ufrag_ep1_cd2_ch, ice_pwd_ep1_cd2_ch, ice_ufrag_ep2_cd2_ch, ice_pwd_ep2_cd2_ch)); ep2_.cd2_.ch_.reset(CreateChannel( 1, cricket::ICE_CANDIDATE_COMPONENT_DEFAULT, ice_ufrag_ep2_cd2_ch, ice_pwd_ep2_cd2_ch, ice_ufrag_ep1_cd2_ch, ice_pwd_ep1_cd2_ch)); } } cricket::P2PTransportChannel* CreateChannel( int endpoint, int component, const std::string& local_ice_ufrag, const std::string& local_ice_pwd, const std::string& remote_ice_ufrag, const std::string& remote_ice_pwd) { cricket::P2PTransportChannel* channel = new cricket::P2PTransportChannel( "test content name", component, NULL, GetAllocator(endpoint)); channel->SignalRequestSignaling.connect( this, &P2PTransportChannelTestBase::OnChannelRequestSignaling); channel->SignalCandidateReady.connect(this, &P2PTransportChannelTestBase::OnCandidate); channel->SignalReadPacket.connect( this, &P2PTransportChannelTestBase::OnReadPacket); channel->SignalRoleConflict.connect( this, &P2PTransportChannelTestBase::OnRoleConflict); channel->SetIceProtocolType(GetEndpoint(endpoint)->protocol_type()); channel->SetIceCredentials(local_ice_ufrag, local_ice_pwd); if (clear_remote_candidates_ufrag_pwd_) { // This only needs to be set if we're clearing them from the // candidates. Some unit tests rely on this not being set. channel->SetRemoteIceCredentials(remote_ice_ufrag, remote_ice_pwd); } channel->SetIceRole(GetEndpoint(endpoint)->ice_role()); channel->SetIceTiebreaker(GetEndpoint(endpoint)->GetIceTiebreaker()); channel->Connect(); return channel; } void DestroyChannels() { ep1_.cd1_.ch_.reset(); ep2_.cd1_.ch_.reset(); ep1_.cd2_.ch_.reset(); ep2_.cd2_.ch_.reset(); } cricket::P2PTransportChannel* ep1_ch1() { return ep1_.cd1_.ch_.get(); } cricket::P2PTransportChannel* ep1_ch2() { return ep1_.cd2_.ch_.get(); } cricket::P2PTransportChannel* ep2_ch1() { return ep2_.cd1_.ch_.get(); } cricket::P2PTransportChannel* ep2_ch2() { return ep2_.cd2_.ch_.get(); } // Common results. static const Result kLocalUdpToLocalUdp; static const Result kLocalUdpToStunUdp; static const Result kLocalUdpToPrflxUdp; static const Result kPrflxUdpToLocalUdp; static const Result kStunUdpToLocalUdp; static const Result kStunUdpToStunUdp; static const Result kPrflxUdpToStunUdp; static const Result kLocalUdpToRelayUdp; static const Result kPrflxUdpToRelayUdp; static const Result kLocalTcpToLocalTcp; static const Result kLocalTcpToPrflxTcp; static const Result kPrflxTcpToLocalTcp; static void SetUpTestCase() { // Ensure the RNG is inited. talk_base::InitRandom(NULL, 0); } talk_base::NATSocketServer* nat() { return nss_.get(); } talk_base::FirewallSocketServer* fw() { return ss_.get(); } Endpoint* GetEndpoint(int endpoint) { if (endpoint == 0) { return &ep1_; } else if (endpoint == 1) { return &ep2_; } else { return NULL; } } cricket::PortAllocator* GetAllocator(int endpoint) { return GetEndpoint(endpoint)->allocator_.get(); } void AddAddress(int endpoint, const SocketAddress& addr) { GetEndpoint(endpoint)->network_manager_.AddInterface(addr); } void RemoveAddress(int endpoint, const SocketAddress& addr) { GetEndpoint(endpoint)->network_manager_.RemoveInterface(addr); } void SetProxy(int endpoint, talk_base::ProxyType type) { talk_base::ProxyInfo info; info.type = type; info.address = (type == talk_base::PROXY_HTTPS) ? kHttpsProxyAddrs[endpoint] : kSocksProxyAddrs[endpoint]; GetAllocator(endpoint)->set_proxy("unittest/1.0", info); } void SetAllocatorFlags(int endpoint, int flags) { GetAllocator(endpoint)->set_flags(flags); } void SetSignalingDelay(int endpoint, int delay) { GetEndpoint(endpoint)->SetSignalingDelay(delay); } void SetIceProtocol(int endpoint, cricket::IceProtocolType type) { GetEndpoint(endpoint)->SetIceProtocolType(type); } void SetIceRole(int endpoint, cricket::IceRole role) { GetEndpoint(endpoint)->SetIceRole(role); } void SetIceTiebreaker(int endpoint, uint64 tiebreaker) { GetEndpoint(endpoint)->SetIceTiebreaker(tiebreaker); } bool GetRoleConflict(int endpoint) { return GetEndpoint(endpoint)->role_conflict(); } void SetAllocationStepDelay(int endpoint, uint32 delay) { return GetEndpoint(endpoint)->SetAllocationStepDelay(delay); } void SetAllowTcpListen(int endpoint, bool allow_tcp_listen) { return GetEndpoint(endpoint)->SetAllowTcpListen(allow_tcp_listen); } void Test(const Result& expected) { int32 connect_start = talk_base::Time(), connect_time; // Create the channels and wait for them to connect. CreateChannels(1); EXPECT_TRUE_WAIT_MARGIN(ep1_ch1() != NULL && ep2_ch1() != NULL && ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), expected.connect_wait, 1000); connect_time = talk_base::TimeSince(connect_start); if (connect_time < expected.connect_wait) { LOG(LS_INFO) << "Connect time: " << connect_time << " ms"; } else { LOG(LS_INFO) << "Connect time: " << "TIMEOUT (" << expected.connect_wait << " ms)"; } // Allow a few turns of the crank for the best connections to emerge. // This may take up to 2 seconds. if (ep1_ch1()->best_connection() && ep2_ch1()->best_connection()) { int32 converge_start = talk_base::Time(), converge_time; int converge_wait = 2000; EXPECT_TRUE_WAIT_MARGIN( LocalCandidate(ep1_ch1())->type() == expected.local_type && LocalCandidate(ep1_ch1())->protocol() == expected.local_proto && RemoteCandidate(ep1_ch1())->type() == expected.remote_type && RemoteCandidate(ep1_ch1())->protocol() == expected.remote_proto, converge_wait, converge_wait); // Also do EXPECT_EQ on each part so that failures are more verbose. EXPECT_EQ(expected.local_type, LocalCandidate(ep1_ch1())->type()); EXPECT_EQ(expected.local_proto, LocalCandidate(ep1_ch1())->protocol()); EXPECT_EQ(expected.remote_type, RemoteCandidate(ep1_ch1())->type()); EXPECT_EQ(expected.remote_proto, RemoteCandidate(ep1_ch1())->protocol()); // Verifying remote channel best connection information. This is done // only for the RFC 5245 as controlled agent will use USE-CANDIDATE // from controlling (ep1) agent. We can easily predict from EP1 result // matrix. if (ep2_.protocol_type_ == cricket::ICEPROTO_RFC5245) { // Checking for best connection candidates information at remote. EXPECT_TRUE_WAIT( LocalCandidate(ep2_ch1())->type() == expected.local_type2 && LocalCandidate(ep2_ch1())->protocol() == expected.local_proto2 && RemoteCandidate(ep2_ch1())->protocol() == expected.remote_proto2, kDefaultTimeout); // For verbose EXPECT_EQ(expected.local_type2, LocalCandidate(ep2_ch1())->type()); EXPECT_EQ(expected.local_proto2, LocalCandidate(ep2_ch1())->protocol()); EXPECT_EQ(expected.remote_proto2, RemoteCandidate(ep2_ch1())->protocol()); // Removed remote_type comparision aginst best connection remote // candidate. This is done to handle remote type discrepancy from // local to stun based on the test type. // For example in case of Open -> NAT, ep2 channels will have LULU // and in other cases like NAT -> NAT it will be LUSU. To avoid these // mismatches and we are doing comparision in different way. // i.e. when don't match its remote type is either local or stun. // TODO(ronghuawu): Refine the test criteria. // https://code.google.com/p/webrtc/issues/detail?id=1953 if (expected.remote_type2 != RemoteCandidate(ep2_ch1())->type()) EXPECT_TRUE(expected.remote_type2 == cricket::LOCAL_PORT_TYPE || expected.remote_type2 == cricket::STUN_PORT_TYPE); EXPECT_TRUE( RemoteCandidate(ep2_ch1())->type() == cricket::LOCAL_PORT_TYPE || RemoteCandidate(ep2_ch1())->type() == cricket::STUN_PORT_TYPE || RemoteCandidate(ep2_ch1())->type() == cricket::PRFLX_PORT_TYPE); } converge_time = talk_base::TimeSince(converge_start); if (converge_time < converge_wait) { LOG(LS_INFO) << "Converge time: " << converge_time << " ms"; } else { LOG(LS_INFO) << "Converge time: " << "TIMEOUT (" << converge_wait << " ms)"; } } // Try sending some data to other end. TestSendRecv(1); // Destroy the channels, and wait for them to be fully cleaned up. DestroyChannels(); } void TestSendRecv(int channels) { for (int i = 0; i < 10; ++i) { const char* data = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"; int len = static_cast(strlen(data)); // local_channel1 <==> remote_channel1 EXPECT_EQ_WAIT(len, SendData(ep1_ch1(), data, len), 1000); EXPECT_TRUE_WAIT(CheckDataOnChannel(ep2_ch1(), data, len), 1000); EXPECT_EQ_WAIT(len, SendData(ep2_ch1(), data, len), 1000); EXPECT_TRUE_WAIT(CheckDataOnChannel(ep1_ch1(), data, len), 1000); if (channels == 2 && ep1_ch2() && ep2_ch2()) { // local_channel2 <==> remote_channel2 EXPECT_EQ_WAIT(len, SendData(ep1_ch2(), data, len), 1000); EXPECT_TRUE_WAIT(CheckDataOnChannel(ep2_ch2(), data, len), 1000); EXPECT_EQ_WAIT(len, SendData(ep2_ch2(), data, len), 1000); EXPECT_TRUE_WAIT(CheckDataOnChannel(ep1_ch2(), data, len), 1000); } } } // This test waits for the transport to become readable and writable on both // end points. Once they are, the end points set new local ice credentials to // restart the ice gathering. Finally it waits for the transport to select a // new connection using the newly generated ice candidates. // Before calling this function the end points must be configured. void TestHandleIceUfragPasswordChanged() { ep1_ch1()->SetRemoteIceCredentials(kIceUfrag[1], kIcePwd[1]); ep2_ch1()->SetRemoteIceCredentials(kIceUfrag[0], kIcePwd[0]); EXPECT_TRUE_WAIT_MARGIN(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000, 1000); const cricket::Candidate* old_local_candidate1 = LocalCandidate(ep1_ch1()); const cricket::Candidate* old_local_candidate2 = LocalCandidate(ep2_ch1()); const cricket::Candidate* old_remote_candidate1 = RemoteCandidate(ep1_ch1()); const cricket::Candidate* old_remote_candidate2 = RemoteCandidate(ep2_ch1()); ep1_ch1()->SetIceCredentials(kIceUfrag[2], kIcePwd[2]); ep1_ch1()->SetRemoteIceCredentials(kIceUfrag[3], kIcePwd[3]); ep2_ch1()->SetIceCredentials(kIceUfrag[3], kIcePwd[3]); ep2_ch1()->SetRemoteIceCredentials(kIceUfrag[2], kIcePwd[2]); EXPECT_TRUE_WAIT_MARGIN(LocalCandidate(ep1_ch1())->generation() != old_local_candidate1->generation(), 1000, 1000); EXPECT_TRUE_WAIT_MARGIN(LocalCandidate(ep2_ch1())->generation() != old_local_candidate2->generation(), 1000, 1000); EXPECT_TRUE_WAIT_MARGIN(RemoteCandidate(ep1_ch1())->generation() != old_remote_candidate1->generation(), 1000, 1000); EXPECT_TRUE_WAIT_MARGIN(RemoteCandidate(ep2_ch1())->generation() != old_remote_candidate2->generation(), 1000, 1000); EXPECT_EQ(1u, RemoteCandidate(ep2_ch1())->generation()); EXPECT_EQ(1u, RemoteCandidate(ep1_ch1())->generation()); } void TestSignalRoleConflict() { SetIceProtocol(0, cricket::ICEPROTO_RFC5245); SetIceTiebreaker(0, kTiebreaker1); // Default EP1 is in controlling state. SetIceProtocol(1, cricket::ICEPROTO_RFC5245); SetIceRole(1, cricket::ICEROLE_CONTROLLING); SetIceTiebreaker(1, kTiebreaker2); // Creating channels with both channels role set to CONTROLLING. CreateChannels(1); // Since both the channels initiated with controlling state and channel2 // has higher tiebreaker value, channel1 should receive SignalRoleConflict. EXPECT_TRUE_WAIT(GetRoleConflict(0), 1000); EXPECT_FALSE(GetRoleConflict(1)); EXPECT_TRUE_WAIT(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000); EXPECT_TRUE(ep1_ch1()->best_connection() && ep2_ch1()->best_connection()); TestSendRecv(1); } void OnChannelRequestSignaling(cricket::TransportChannelImpl* channel) { channel->OnSignalingReady(); } // We pass the candidates directly to the other side. void OnCandidate(cricket::TransportChannelImpl* ch, const cricket::Candidate& c) { main_->PostDelayed(GetEndpoint(ch)->signaling_delay_, this, 0, new CandidateData(ch, c)); } void OnMessage(talk_base::Message* msg) { talk_base::scoped_ptr data( static_cast(msg->pdata)); cricket::P2PTransportChannel* rch = GetRemoteChannel(data->channel); cricket::Candidate c = data->candidate; if (clear_remote_candidates_ufrag_pwd_) { c.set_username(""); c.set_password(""); } LOG(LS_INFO) << "Candidate(" << data->channel->component() << "->" << rch->component() << "): " << c.type() << ", " << c.protocol() << ", " << c.address().ToString() << ", " << c.username() << ", " << c.generation(); rch->OnCandidate(c); } void OnReadPacket(cricket::TransportChannel* channel, const char* data, size_t len, int flags) { std::list& packets = GetPacketList(channel); packets.push_front(std::string(data, len)); } void OnRoleConflict(cricket::TransportChannelImpl* channel) { GetEndpoint(channel)->OnRoleConflict(true); cricket::IceRole new_role = GetEndpoint(channel)->ice_role() == cricket::ICEROLE_CONTROLLING ? cricket::ICEROLE_CONTROLLED : cricket::ICEROLE_CONTROLLING; channel->SetIceRole(new_role); } int SendData(cricket::TransportChannel* channel, const char* data, size_t len) { return channel->SendPacket(data, len, talk_base::DSCP_NO_CHANGE, 0); } bool CheckDataOnChannel(cricket::TransportChannel* channel, const char* data, int len) { return GetChannelData(channel)->CheckData(data, len); } static const cricket::Candidate* LocalCandidate( cricket::P2PTransportChannel* ch) { return (ch && ch->best_connection()) ? &ch->best_connection()->local_candidate() : NULL; } static const cricket::Candidate* RemoteCandidate( cricket::P2PTransportChannel* ch) { return (ch && ch->best_connection()) ? &ch->best_connection()->remote_candidate() : NULL; } Endpoint* GetEndpoint(cricket::TransportChannel* ch) { if (ep1_.HasChannel(ch)) { return &ep1_; } else if (ep2_.HasChannel(ch)) { return &ep2_; } else { return NULL; } } cricket::P2PTransportChannel* GetRemoteChannel( cricket::TransportChannel* ch) { if (ch == ep1_ch1()) return ep2_ch1(); else if (ch == ep1_ch2()) return ep2_ch2(); else if (ch == ep2_ch1()) return ep1_ch1(); else if (ch == ep2_ch2()) return ep1_ch2(); else return NULL; } std::list& GetPacketList(cricket::TransportChannel* ch) { return GetChannelData(ch)->ch_packets_; } void set_clear_remote_candidates_ufrag_pwd(bool clear) { clear_remote_candidates_ufrag_pwd_ = clear; } private: talk_base::Thread* main_; talk_base::scoped_ptr pss_; talk_base::scoped_ptr vss_; talk_base::scoped_ptr nss_; talk_base::scoped_ptr ss_; talk_base::SocketServerScope ss_scope_; cricket::TestStunServer stun_server_; cricket::TestRelayServer relay_server_; talk_base::SocksProxyServer socks_server1_; talk_base::SocksProxyServer socks_server2_; Endpoint ep1_; Endpoint ep2_; bool clear_remote_candidates_ufrag_pwd_; }; // The tests have only a few outcomes, which we predefine. const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kLocalUdpToLocalUdp("local", "udp", "local", "udp", "local", "udp", "local", "udp", 1000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kLocalUdpToStunUdp("local", "udp", "stun", "udp", "local", "udp", "stun", "udp", 1000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kLocalUdpToPrflxUdp("local", "udp", "prflx", "udp", "prflx", "udp", "local", "udp", 1000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kPrflxUdpToLocalUdp("prflx", "udp", "local", "udp", "local", "udp", "prflx", "udp", 1000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kStunUdpToLocalUdp("stun", "udp", "local", "udp", "local", "udp", "stun", "udp", 1000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kStunUdpToStunUdp("stun", "udp", "stun", "udp", "stun", "udp", "stun", "udp", 1000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kPrflxUdpToStunUdp("prflx", "udp", "stun", "udp", "local", "udp", "prflx", "udp", 1000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kLocalUdpToRelayUdp("local", "udp", "relay", "udp", "relay", "udp", "local", "udp", 2000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kPrflxUdpToRelayUdp("prflx", "udp", "relay", "udp", "relay", "udp", "prflx", "udp", 2000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kLocalTcpToLocalTcp("local", "tcp", "local", "tcp", "local", "tcp", "local", "tcp", 3000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kLocalTcpToPrflxTcp("local", "tcp", "prflx", "tcp", "prflx", "tcp", "local", "tcp", 3000); const P2PTransportChannelTestBase::Result P2PTransportChannelTestBase:: kPrflxTcpToLocalTcp("prflx", "tcp", "local", "tcp", "local", "tcp", "prflx", "tcp", 3000); // Test the matrix of all the connectivity types we expect to see in the wild. // Just test every combination of the configs in the Config enum. class P2PTransportChannelTest : public P2PTransportChannelTestBase { protected: static const Result* kMatrix[NUM_CONFIGS][NUM_CONFIGS]; static const Result* kMatrixSharedUfrag[NUM_CONFIGS][NUM_CONFIGS]; static const Result* kMatrixSharedSocketAsGice[NUM_CONFIGS][NUM_CONFIGS]; static const Result* kMatrixSharedSocketAsIce[NUM_CONFIGS][NUM_CONFIGS]; void ConfigureEndpoints(Config config1, Config config2, int allocator_flags1, int allocator_flags2, int delay1, int delay2, cricket::IceProtocolType type) { ConfigureEndpoint(0, config1); SetIceProtocol(0, type); SetAllocatorFlags(0, allocator_flags1); SetAllocationStepDelay(0, delay1); ConfigureEndpoint(1, config2); SetIceProtocol(1, type); SetAllocatorFlags(1, allocator_flags2); SetAllocationStepDelay(1, delay2); } void ConfigureEndpoint(int endpoint, Config config) { switch (config) { case OPEN: AddAddress(endpoint, kPublicAddrs[endpoint]); break; case NAT_FULL_CONE: case NAT_ADDR_RESTRICTED: case NAT_PORT_RESTRICTED: case NAT_SYMMETRIC: AddAddress(endpoint, kPrivateAddrs[endpoint]); // Add a single NAT of the desired type nat()->AddTranslator(kPublicAddrs[endpoint], kNatAddrs[endpoint], static_cast(config - NAT_FULL_CONE))-> AddClient(kPrivateAddrs[endpoint]); break; case NAT_DOUBLE_CONE: case NAT_SYMMETRIC_THEN_CONE: AddAddress(endpoint, kCascadedPrivateAddrs[endpoint]); // Add a two cascaded NATs of the desired types nat()->AddTranslator(kPublicAddrs[endpoint], kNatAddrs[endpoint], (config == NAT_DOUBLE_CONE) ? talk_base::NAT_OPEN_CONE : talk_base::NAT_SYMMETRIC)-> AddTranslator(kPrivateAddrs[endpoint], kCascadedNatAddrs[endpoint], talk_base::NAT_OPEN_CONE)-> AddClient(kCascadedPrivateAddrs[endpoint]); break; case BLOCK_UDP: case BLOCK_UDP_AND_INCOMING_TCP: case BLOCK_ALL_BUT_OUTGOING_HTTP: case PROXY_HTTPS: case PROXY_SOCKS: AddAddress(endpoint, kPublicAddrs[endpoint]); // Block all UDP fw()->AddRule(false, talk_base::FP_UDP, talk_base::FD_ANY, kPublicAddrs[endpoint]); if (config == BLOCK_UDP_AND_INCOMING_TCP) { // Block TCP inbound to the endpoint fw()->AddRule(false, talk_base::FP_TCP, SocketAddress(), kPublicAddrs[endpoint]); } else if (config == BLOCK_ALL_BUT_OUTGOING_HTTP) { // Block all TCP to/from the endpoint except 80/443 out fw()->AddRule(true, talk_base::FP_TCP, kPublicAddrs[endpoint], SocketAddress(talk_base::IPAddress(INADDR_ANY), 80)); fw()->AddRule(true, talk_base::FP_TCP, kPublicAddrs[endpoint], SocketAddress(talk_base::IPAddress(INADDR_ANY), 443)); fw()->AddRule(false, talk_base::FP_TCP, talk_base::FD_ANY, kPublicAddrs[endpoint]); } else if (config == PROXY_HTTPS) { // Block all TCP to/from the endpoint except to the proxy server fw()->AddRule(true, talk_base::FP_TCP, kPublicAddrs[endpoint], kHttpsProxyAddrs[endpoint]); fw()->AddRule(false, talk_base::FP_TCP, talk_base::FD_ANY, kPublicAddrs[endpoint]); SetProxy(endpoint, talk_base::PROXY_HTTPS); } else if (config == PROXY_SOCKS) { // Block all TCP to/from the endpoint except to the proxy server fw()->AddRule(true, talk_base::FP_TCP, kPublicAddrs[endpoint], kSocksProxyAddrs[endpoint]); fw()->AddRule(false, talk_base::FP_TCP, talk_base::FD_ANY, kPublicAddrs[endpoint]); SetProxy(endpoint, talk_base::PROXY_SOCKS5); } break; default: break; } } }; // Shorthands for use in the test matrix. #define LULU &kLocalUdpToLocalUdp #define LUSU &kLocalUdpToStunUdp #define LUPU &kLocalUdpToPrflxUdp #define PULU &kPrflxUdpToLocalUdp #define SULU &kStunUdpToLocalUdp #define SUSU &kStunUdpToStunUdp #define PUSU &kPrflxUdpToStunUdp #define LURU &kLocalUdpToRelayUdp #define PURU &kPrflxUdpToRelayUdp #define LTLT &kLocalTcpToLocalTcp #define LTPT &kLocalTcpToPrflxTcp #define PTLT &kPrflxTcpToLocalTcp // TODO: Enable these once TestRelayServer can accept external TCP. #define LTRT NULL #define LSRS NULL // Test matrix. Originator behavior defined by rows, receiever by columns. // Currently the p2ptransportchannel.cc (specifically the // P2PTransportChannel::OnUnknownAddress) operates in 2 modes depend on the // remote candidates - ufrag per port or shared ufrag. // For example, if the remote candidates have the shared ufrag, for the unknown // address reaches the OnUnknownAddress, we will try to find the matched // remote candidate based on the address and protocol, if not found, a new // remote candidate will be created for this address. But if the remote // candidates have different ufrags, we will try to find the matched remote // candidate by comparing the ufrag. If not found, an error will be returned. // Because currently the shared ufrag feature is under the experiment and will // be rolled out gradually. We want to test the different combinations of peers // with/without the shared ufrag enabled. And those different combinations have // different expectation of the best connection. For example in the OpenToCONE // case, an unknown address will be updated to a "host" remote candidate if the // remote peer uses different ufrag per port. But in the shared ufrag case, // a "stun" (should be peer-reflexive eventually) candidate will be created for // that. So the expected best candidate will be LUSU instead of LULU. // With all these, we have to keep 2 test matrixes for the tests: // kMatrix - for the tests that the remote peer uses different ufrag per port. // kMatrixSharedUfrag - for the tests that remote peer uses shared ufrag. // The different between the two matrixes are on: // OPToCONE, OPTo2CON, // COToCONE, COToADDR, COToPORT, COToSYMM, COTo2CON, COToSCON, // ADToCONE, ADToADDR, ADTo2CON, // POToADDR, // SYToADDR, // 2CToCONE, 2CToADDR, 2CToPORT, 2CToSYMM, 2CTo2CON, 2CToSCON, // SCToADDR, // TODO: Fix NULLs caused by lack of TCP support in NATSocket. // TODO: Fix NULLs caused by no HTTP proxy support. // TODO: Rearrange rows/columns from best to worst. // TODO(ronghuawu): Keep only one test matrix once the shared ufrag is enabled. const P2PTransportChannelTest::Result* P2PTransportChannelTest::kMatrix[NUM_CONFIGS][NUM_CONFIGS] = { // OPEN CONE ADDR PORT SYMM 2CON SCON !UDP !TCP HTTP PRXH PRXS /*OP*/ {LULU, LULU, LULU, LULU, LULU, LULU, LULU, LTLT, LTLT, LSRS, NULL, LTLT}, /*CO*/ {LULU, LULU, LULU, SULU, SULU, LULU, SULU, NULL, NULL, LSRS, NULL, LTRT}, /*AD*/ {LULU, LULU, LULU, SUSU, SUSU, LULU, SUSU, NULL, NULL, LSRS, NULL, LTRT}, /*PO*/ {LULU, LUSU, LUSU, SUSU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*SY*/ {LULU, LUSU, LUSU, LURU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*2C*/ {LULU, LULU, LULU, SULU, SULU, LULU, SULU, NULL, NULL, LSRS, NULL, LTRT}, /*SC*/ {LULU, LUSU, LUSU, LURU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*!U*/ {LTLT, NULL, NULL, NULL, NULL, NULL, NULL, LTLT, LTLT, LSRS, NULL, LTRT}, /*!T*/ {LTRT, NULL, NULL, NULL, NULL, NULL, NULL, LTLT, LTRT, LSRS, NULL, LTRT}, /*HT*/ {LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, NULL, LSRS}, /*PR*/ {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, /*PR*/ {LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LSRS, NULL, LTRT}, }; const P2PTransportChannelTest::Result* P2PTransportChannelTest::kMatrixSharedUfrag[NUM_CONFIGS][NUM_CONFIGS] = { // OPEN CONE ADDR PORT SYMM 2CON SCON !UDP !TCP HTTP PRXH PRXS /*OP*/ {LULU, LUSU, LULU, LULU, LULU, LUSU, LULU, LTLT, LTLT, LSRS, NULL, LTLT}, /*CO*/ {LULU, LUSU, LUSU, SUSU, SUSU, LUSU, SUSU, NULL, NULL, LSRS, NULL, LTRT}, /*AD*/ {LULU, LUSU, LUSU, SUSU, SUSU, LUSU, SUSU, NULL, NULL, LSRS, NULL, LTRT}, /*PO*/ {LULU, LUSU, LUSU, SUSU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*SY*/ {LULU, LUSU, LUSU, LURU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*2C*/ {LULU, LUSU, LUSU, SUSU, SUSU, LUSU, SUSU, NULL, NULL, LSRS, NULL, LTRT}, /*SC*/ {LULU, LUSU, LUSU, LURU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*!U*/ {LTLT, NULL, NULL, NULL, NULL, NULL, NULL, LTLT, LTLT, LSRS, NULL, LTRT}, /*!T*/ {LTRT, NULL, NULL, NULL, NULL, NULL, NULL, LTLT, LTRT, LSRS, NULL, LTRT}, /*HT*/ {LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, NULL, LSRS}, /*PR*/ {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, /*PR*/ {LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LSRS, NULL, LTRT}, }; const P2PTransportChannelTest::Result* P2PTransportChannelTest::kMatrixSharedSocketAsGice [NUM_CONFIGS][NUM_CONFIGS] = { // OPEN CONE ADDR PORT SYMM 2CON SCON !UDP !TCP HTTP PRXH PRXS /*OP*/ {LULU, LUSU, LUSU, LUSU, LUSU, LUSU, LUSU, LTLT, LTLT, LSRS, NULL, LTLT}, /*CO*/ {LULU, LUSU, LUSU, LUSU, LUSU, LUSU, LUSU, NULL, NULL, LSRS, NULL, LTRT}, /*AD*/ {LULU, LUSU, LUSU, LUSU, LUSU, LUSU, LUSU, NULL, NULL, LSRS, NULL, LTRT}, /*PO*/ {LULU, LUSU, LUSU, LUSU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*SY*/ {LULU, LUSU, LUSU, LURU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*2C*/ {LULU, LUSU, LUSU, LUSU, LUSU, LUSU, LUSU, NULL, NULL, LSRS, NULL, LTRT}, /*SC*/ {LULU, LUSU, LUSU, LURU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*!U*/ {LTLT, NULL, NULL, NULL, NULL, NULL, NULL, LTLT, LTLT, LSRS, NULL, LTRT}, /*!T*/ {LTRT, NULL, NULL, NULL, NULL, NULL, NULL, LTLT, LTRT, LSRS, NULL, LTRT}, /*HT*/ {LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, NULL, LSRS}, /*PR*/ {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, /*PR*/ {LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LSRS, NULL, LTRT}, }; const P2PTransportChannelTest::Result* P2PTransportChannelTest::kMatrixSharedSocketAsIce [NUM_CONFIGS][NUM_CONFIGS] = { // OPEN CONE ADDR PORT SYMM 2CON SCON !UDP !TCP HTTP PRXH PRXS /*OP*/ {LULU, LUSU, LUSU, LUSU, LUPU, LUSU, LUPU, PTLT, LTPT, LSRS, NULL, PTLT}, /*CO*/ {LULU, LUSU, LUSU, LUSU, LUPU, LUSU, LUPU, NULL, NULL, LSRS, NULL, LTRT}, /*AD*/ {LULU, LUSU, LUSU, LUSU, LUPU, LUSU, LUPU, NULL, NULL, LSRS, NULL, LTRT}, /*PO*/ {LULU, LUSU, LUSU, LUSU, LURU, LUSU, LURU, NULL, NULL, LSRS, NULL, LTRT}, /*SY*/ {PULU, PUSU, PUSU, PURU, PURU, PUSU, PURU, NULL, NULL, LSRS, NULL, LTRT}, /*2C*/ {LULU, LUSU, LUSU, LUSU, LUPU, LUSU, LUPU, NULL, NULL, LSRS, NULL, LTRT}, /*SC*/ {PULU, PUSU, PUSU, PURU, PURU, PUSU, PURU, NULL, NULL, LSRS, NULL, LTRT}, /*!U*/ {PTLT, NULL, NULL, NULL, NULL, NULL, NULL, PTLT, LTPT, LSRS, NULL, LTRT}, /*!T*/ {LTRT, NULL, NULL, NULL, NULL, NULL, NULL, PTLT, LTRT, LSRS, NULL, LTRT}, /*HT*/ {LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, LSRS, NULL, LSRS}, /*PR*/ {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL}, /*PR*/ {LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LTRT, LSRS, NULL, LTRT}, }; // The actual tests that exercise all the various configurations. // Test names are of the form P2PTransportChannelTest_TestOPENToNAT_FULL_CONE // Same test case is run in both GICE and ICE mode. // kDefaultStepDelay - is used for all Gice cases. // kMinimumStepDelay - is used when both end points have // PORTALLOCATOR_ENABLE_SHARED_UFRAG flag enabled. // Technically we should be able to use kMinimumStepDelay irrespective of // protocol type. But which might need modifications to current result matrices // for tests in this file. #define P2P_TEST_DECLARATION(x, y, z) \ TEST_F(P2PTransportChannelTest, z##Test##x##To##y##AsGiceNoneSharedUfrag) { \ ConfigureEndpoints(x, y, kDefaultPortAllocatorFlags, \ kDefaultPortAllocatorFlags, \ kDefaultStepDelay, kDefaultStepDelay, \ cricket::ICEPROTO_GOOGLE); \ if (kMatrix[x][y] != NULL) \ Test(*kMatrix[x][y]); \ else \ LOG(LS_WARNING) << "Not yet implemented"; \ } \ TEST_F(P2PTransportChannelTest, z##Test##x##To##y##AsGiceP0SharedUfrag) { \ ConfigureEndpoints(x, y, PORTALLOCATOR_ENABLE_SHARED_UFRAG, \ kDefaultPortAllocatorFlags, \ kDefaultStepDelay, kDefaultStepDelay, \ cricket::ICEPROTO_GOOGLE); \ if (kMatrix[x][y] != NULL) \ Test(*kMatrix[x][y]); \ else \ LOG(LS_WARNING) << "Not yet implemented"; \ } \ TEST_F(P2PTransportChannelTest, z##Test##x##To##y##AsGiceP1SharedUfrag) { \ ConfigureEndpoints(x, y, kDefaultPortAllocatorFlags, \ PORTALLOCATOR_ENABLE_SHARED_UFRAG, \ kDefaultStepDelay, kDefaultStepDelay, \ cricket::ICEPROTO_GOOGLE); \ if (kMatrixSharedUfrag[x][y] != NULL) \ Test(*kMatrixSharedUfrag[x][y]); \ else \ LOG(LS_WARNING) << "Not yet implemented"; \ } \ TEST_F(P2PTransportChannelTest, z##Test##x##To##y##AsGiceBothSharedUfrag) { \ ConfigureEndpoints(x, y, PORTALLOCATOR_ENABLE_SHARED_UFRAG, \ PORTALLOCATOR_ENABLE_SHARED_UFRAG, \ kDefaultStepDelay, kDefaultStepDelay, \ cricket::ICEPROTO_GOOGLE); \ if (kMatrixSharedUfrag[x][y] != NULL) \ Test(*kMatrixSharedUfrag[x][y]); \ else \ LOG(LS_WARNING) << "Not yet implemented"; \ } \ TEST_F(P2PTransportChannelTest, \ z##Test##x##To##y##AsGiceBothSharedUfragWithMinimumStepDelay) { \ ConfigureEndpoints(x, y, PORTALLOCATOR_ENABLE_SHARED_UFRAG, \ PORTALLOCATOR_ENABLE_SHARED_UFRAG, \ kMinimumStepDelay, kMinimumStepDelay, \ cricket::ICEPROTO_GOOGLE); \ if (kMatrixSharedUfrag[x][y] != NULL) \ Test(*kMatrixSharedUfrag[x][y]); \ else \ LOG(LS_WARNING) << "Not yet implemented"; \ } \ TEST_F(P2PTransportChannelTest, \ z##Test##x##To##y##AsGiceBothSharedUfragSocket) { \ ConfigureEndpoints(x, y, PORTALLOCATOR_ENABLE_SHARED_UFRAG | \ PORTALLOCATOR_ENABLE_SHARED_SOCKET, \ PORTALLOCATOR_ENABLE_SHARED_UFRAG | \ PORTALLOCATOR_ENABLE_SHARED_SOCKET, \ kMinimumStepDelay, kMinimumStepDelay, \ cricket::ICEPROTO_GOOGLE); \ if (kMatrixSharedSocketAsGice[x][y] != NULL) \ Test(*kMatrixSharedSocketAsGice[x][y]); \ else \ LOG(LS_WARNING) << "Not yet implemented"; \ } \ TEST_F(P2PTransportChannelTest, z##Test##x##To##y##AsIce) { \ ConfigureEndpoints(x, y, PORTALLOCATOR_ENABLE_SHARED_UFRAG | \ PORTALLOCATOR_ENABLE_SHARED_SOCKET, \ PORTALLOCATOR_ENABLE_SHARED_UFRAG | \ PORTALLOCATOR_ENABLE_SHARED_SOCKET, \ kMinimumStepDelay, kMinimumStepDelay, \ cricket::ICEPROTO_RFC5245); \ if (kMatrixSharedSocketAsIce[x][y] != NULL) \ Test(*kMatrixSharedSocketAsIce[x][y]); \ else \ LOG(LS_WARNING) << "Not yet implemented"; \ } #define P2P_TEST(x, y) \ P2P_TEST_DECLARATION(x, y,) #define FLAKY_P2P_TEST(x, y) \ P2P_TEST_DECLARATION(x, y, DISABLED_) // TODO(holmer): Disabled due to randomly failing on webrtc buildbots. // Issue: webrtc/2383 #define P2P_TEST_SET(x) \ P2P_TEST(x, OPEN) \ FLAKY_P2P_TEST(x, NAT_FULL_CONE) \ FLAKY_P2P_TEST(x, NAT_ADDR_RESTRICTED) \ P2P_TEST(x, NAT_PORT_RESTRICTED) \ P2P_TEST(x, NAT_SYMMETRIC) \ FLAKY_P2P_TEST(x, NAT_DOUBLE_CONE) \ P2P_TEST(x, NAT_SYMMETRIC_THEN_CONE) \ P2P_TEST(x, BLOCK_UDP) \ P2P_TEST(x, BLOCK_UDP_AND_INCOMING_TCP) \ P2P_TEST(x, BLOCK_ALL_BUT_OUTGOING_HTTP) \ P2P_TEST(x, PROXY_HTTPS) \ P2P_TEST(x, PROXY_SOCKS) #define FLAKY_P2P_TEST_SET(x) \ P2P_TEST(x, OPEN) \ P2P_TEST(x, NAT_FULL_CONE) \ P2P_TEST(x, NAT_ADDR_RESTRICTED) \ P2P_TEST(x, NAT_PORT_RESTRICTED) \ P2P_TEST(x, NAT_SYMMETRIC) \ P2P_TEST(x, NAT_DOUBLE_CONE) \ P2P_TEST(x, NAT_SYMMETRIC_THEN_CONE) \ P2P_TEST(x, BLOCK_UDP) \ P2P_TEST(x, BLOCK_UDP_AND_INCOMING_TCP) \ P2P_TEST(x, BLOCK_ALL_BUT_OUTGOING_HTTP) \ P2P_TEST(x, PROXY_HTTPS) \ P2P_TEST(x, PROXY_SOCKS) P2P_TEST_SET(OPEN) P2P_TEST_SET(NAT_FULL_CONE) P2P_TEST_SET(NAT_ADDR_RESTRICTED) P2P_TEST_SET(NAT_PORT_RESTRICTED) P2P_TEST_SET(NAT_SYMMETRIC) P2P_TEST_SET(NAT_DOUBLE_CONE) P2P_TEST_SET(NAT_SYMMETRIC_THEN_CONE) P2P_TEST_SET(BLOCK_UDP) P2P_TEST_SET(BLOCK_UDP_AND_INCOMING_TCP) P2P_TEST_SET(BLOCK_ALL_BUT_OUTGOING_HTTP) P2P_TEST_SET(PROXY_HTTPS) P2P_TEST_SET(PROXY_SOCKS) // Test that we restart candidate allocation when local ufrag&pwd changed. // Standard Ice protocol is used. TEST_F(P2PTransportChannelTest, HandleUfragPwdChangeAsIce) { ConfigureEndpoints(OPEN, OPEN, PORTALLOCATOR_ENABLE_SHARED_UFRAG, PORTALLOCATOR_ENABLE_SHARED_UFRAG, kMinimumStepDelay, kMinimumStepDelay, cricket::ICEPROTO_RFC5245); CreateChannels(1); TestHandleIceUfragPasswordChanged(); } // Test that we restart candidate allocation when local ufrag&pwd changed. // Standard Ice protocol is used. TEST_F(P2PTransportChannelTest, HandleUfragPwdChangeBundleAsIce) { ConfigureEndpoints(OPEN, OPEN, PORTALLOCATOR_ENABLE_SHARED_UFRAG, PORTALLOCATOR_ENABLE_SHARED_UFRAG, kMinimumStepDelay, kMinimumStepDelay, cricket::ICEPROTO_RFC5245); SetAllocatorFlags(0, cricket::PORTALLOCATOR_ENABLE_BUNDLE); SetAllocatorFlags(1, cricket::PORTALLOCATOR_ENABLE_BUNDLE); CreateChannels(2); TestHandleIceUfragPasswordChanged(); } // Test that we restart candidate allocation when local ufrag&pwd changed. // Google Ice protocol is used. TEST_F(P2PTransportChannelTest, HandleUfragPwdChangeAsGice) { ConfigureEndpoints(OPEN, OPEN, PORTALLOCATOR_ENABLE_SHARED_UFRAG, PORTALLOCATOR_ENABLE_SHARED_UFRAG, kDefaultStepDelay, kDefaultStepDelay, cricket::ICEPROTO_GOOGLE); CreateChannels(1); TestHandleIceUfragPasswordChanged(); } // Test that ICE restart works when bundle is enabled. // Google Ice protocol is used. TEST_F(P2PTransportChannelTest, HandleUfragPwdChangeBundleAsGice) { ConfigureEndpoints(OPEN, OPEN, PORTALLOCATOR_ENABLE_SHARED_UFRAG, PORTALLOCATOR_ENABLE_SHARED_UFRAG, kDefaultStepDelay, kDefaultStepDelay, cricket::ICEPROTO_GOOGLE); SetAllocatorFlags(0, cricket::PORTALLOCATOR_ENABLE_BUNDLE); SetAllocatorFlags(1, cricket::PORTALLOCATOR_ENABLE_BUNDLE); CreateChannels(2); TestHandleIceUfragPasswordChanged(); } // Test the operation of GetStats. TEST_F(P2PTransportChannelTest, GetStats) { ConfigureEndpoints(OPEN, OPEN, kDefaultPortAllocatorFlags, kDefaultPortAllocatorFlags, kDefaultStepDelay, kDefaultStepDelay, cricket::ICEPROTO_GOOGLE); CreateChannels(1); EXPECT_TRUE_WAIT_MARGIN(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000, 1000); TestSendRecv(1); cricket::ConnectionInfos infos; ASSERT_TRUE(ep1_ch1()->GetStats(&infos)); ASSERT_EQ(1U, infos.size()); EXPECT_TRUE(infos[0].new_connection); EXPECT_TRUE(infos[0].best_connection); EXPECT_TRUE(infos[0].readable); EXPECT_TRUE(infos[0].writable); EXPECT_FALSE(infos[0].timeout); EXPECT_EQ(10 * 36U, infos[0].sent_total_bytes); EXPECT_EQ(10 * 36U, infos[0].recv_total_bytes); EXPECT_GT(infos[0].rtt, 0U); DestroyChannels(); } // Test that we properly handle getting a STUN error due to slow signaling. TEST_F(P2PTransportChannelTest, DISABLED_SlowSignaling) { ConfigureEndpoints(OPEN, NAT_SYMMETRIC, kDefaultPortAllocatorFlags, kDefaultPortAllocatorFlags, kDefaultStepDelay, kDefaultStepDelay, cricket::ICEPROTO_GOOGLE); // Make signaling from the callee take 500ms, so that the initial STUN pings // from the callee beat the signaling, and so the caller responds with a // unknown username error. We should just eat that and carry on; mishandling // this will instead cause all the callee's connections to be discarded. SetSignalingDelay(1, 1000); CreateChannels(1); const cricket::Connection* best_connection = NULL; // Wait until the callee's connections are created. WAIT((best_connection = ep2_ch1()->best_connection()) != NULL, 1000); // Wait to see if they get culled; they shouldn't. WAIT(ep2_ch1()->best_connection() != best_connection, 1000); EXPECT_TRUE(ep2_ch1()->best_connection() == best_connection); DestroyChannels(); } // Test that if remote candidates don't have ufrag and pwd, we still work. TEST_F(P2PTransportChannelTest, RemoteCandidatesWithoutUfragPwd) { set_clear_remote_candidates_ufrag_pwd(true); ConfigureEndpoints(OPEN, OPEN, PORTALLOCATOR_ENABLE_SHARED_UFRAG, PORTALLOCATOR_ENABLE_SHARED_UFRAG, kMinimumStepDelay, kMinimumStepDelay, cricket::ICEPROTO_GOOGLE); CreateChannels(1); const cricket::Connection* best_connection = NULL; // Wait until the callee's connections are created. WAIT((best_connection = ep2_ch1()->best_connection()) != NULL, 1000); // Wait to see if they get culled; they shouldn't. WAIT(ep2_ch1()->best_connection() != best_connection, 1000); EXPECT_TRUE(ep2_ch1()->best_connection() == best_connection); DestroyChannels(); } // Test that a host behind NAT cannot be reached when incoming_only // is set to true. TEST_F(P2PTransportChannelTest, IncomingOnlyBlocked) { ConfigureEndpoints(NAT_FULL_CONE, OPEN, kDefaultPortAllocatorFlags, kDefaultPortAllocatorFlags, kDefaultStepDelay, kDefaultStepDelay, cricket::ICEPROTO_GOOGLE); SetAllocatorFlags(0, kOnlyLocalPorts); CreateChannels(1); ep1_ch1()->set_incoming_only(true); // Pump for 1 second and verify that the channels are not connected. talk_base::Thread::Current()->ProcessMessages(1000); EXPECT_FALSE(ep1_ch1()->readable()); EXPECT_FALSE(ep1_ch1()->writable()); EXPECT_FALSE(ep2_ch1()->readable()); EXPECT_FALSE(ep2_ch1()->writable()); DestroyChannels(); } // Test that a peer behind NAT can connect to a peer that has // incoming_only flag set. TEST_F(P2PTransportChannelTest, IncomingOnlyOpen) { ConfigureEndpoints(OPEN, NAT_FULL_CONE, kDefaultPortAllocatorFlags, kDefaultPortAllocatorFlags, kDefaultStepDelay, kDefaultStepDelay, cricket::ICEPROTO_GOOGLE); SetAllocatorFlags(0, kOnlyLocalPorts); CreateChannels(1); ep1_ch1()->set_incoming_only(true); EXPECT_TRUE_WAIT_MARGIN(ep1_ch1() != NULL && ep2_ch1() != NULL && ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000, 1000); DestroyChannels(); } TEST_F(P2PTransportChannelTest, TestTcpConnectionsFromActiveToPassive) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); SetAllocationStepDelay(0, kMinimumStepDelay); SetAllocationStepDelay(1, kMinimumStepDelay); int kOnlyLocalTcpPorts = cricket::PORTALLOCATOR_DISABLE_UDP | cricket::PORTALLOCATOR_DISABLE_STUN | cricket::PORTALLOCATOR_DISABLE_RELAY | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG; // Disable all protocols except TCP. SetAllocatorFlags(0, kOnlyLocalTcpPorts); SetAllocatorFlags(1, kOnlyLocalTcpPorts); SetAllowTcpListen(0, true); // actpass. SetAllowTcpListen(1, false); // active. CreateChannels(1); EXPECT_TRUE_WAIT(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000); EXPECT_TRUE( ep1_ch1()->best_connection() && ep2_ch1()->best_connection() && LocalCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[0]) && RemoteCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[1])); std::string kTcpProtocol = "tcp"; EXPECT_EQ(kTcpProtocol, RemoteCandidate(ep1_ch1())->protocol()); EXPECT_EQ(kTcpProtocol, LocalCandidate(ep1_ch1())->protocol()); EXPECT_EQ(kTcpProtocol, RemoteCandidate(ep2_ch1())->protocol()); EXPECT_EQ(kTcpProtocol, LocalCandidate(ep2_ch1())->protocol()); TestSendRecv(1); DestroyChannels(); } TEST_F(P2PTransportChannelTest, TestBundleAllocatorToBundleAllocator) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); SetAllocatorFlags(0, cricket::PORTALLOCATOR_ENABLE_BUNDLE); SetAllocatorFlags(1, cricket::PORTALLOCATOR_ENABLE_BUNDLE); CreateChannels(2); EXPECT_TRUE_WAIT(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000); EXPECT_TRUE(ep1_ch1()->best_connection() && ep2_ch1()->best_connection()); EXPECT_FALSE(ep1_ch2()->readable()); EXPECT_FALSE(ep1_ch2()->writable()); EXPECT_FALSE(ep2_ch2()->readable()); EXPECT_FALSE(ep2_ch2()->writable()); TestSendRecv(1); // Only 1 channel is writable per Endpoint. DestroyChannels(); } TEST_F(P2PTransportChannelTest, TestBundleAllocatorToNonBundleAllocator) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); // Enable BUNDLE flag at one side. SetAllocatorFlags(0, cricket::PORTALLOCATOR_ENABLE_BUNDLE); CreateChannels(2); EXPECT_TRUE_WAIT(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000); EXPECT_TRUE_WAIT(ep1_ch2()->readable() && ep1_ch2()->writable() && ep2_ch2()->readable() && ep2_ch2()->writable(), 1000); EXPECT_TRUE(ep1_ch1()->best_connection() && ep2_ch1()->best_connection()); EXPECT_TRUE(ep1_ch2()->best_connection() && ep2_ch2()->best_connection()); TestSendRecv(2); DestroyChannels(); } TEST_F(P2PTransportChannelTest, TestIceRoleConflictWithoutBundle) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); TestSignalRoleConflict(); } TEST_F(P2PTransportChannelTest, TestIceRoleConflictWithBundle) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); SetAllocatorFlags(0, cricket::PORTALLOCATOR_ENABLE_BUNDLE); SetAllocatorFlags(1, cricket::PORTALLOCATOR_ENABLE_BUNDLE); TestSignalRoleConflict(); } // Tests that the ice configs (protocol, tiebreaker and role) can be passed // down to ports. TEST_F(P2PTransportChannelTest, TestIceConfigWillPassDownToPort) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); SetIceRole(0, cricket::ICEROLE_CONTROLLING); SetIceProtocol(0, cricket::ICEPROTO_GOOGLE); SetIceTiebreaker(0, kTiebreaker1); SetIceRole(1, cricket::ICEROLE_CONTROLLING); SetIceProtocol(1, cricket::ICEPROTO_RFC5245); SetIceTiebreaker(1, kTiebreaker2); CreateChannels(1); EXPECT_EQ_WAIT(2u, ep1_ch1()->ports().size(), 1000); const std::vector ports_before = ep1_ch1()->ports(); for (size_t i = 0; i < ports_before.size(); ++i) { EXPECT_EQ(cricket::ICEROLE_CONTROLLING, ports_before[i]->GetIceRole()); EXPECT_EQ(cricket::ICEPROTO_GOOGLE, ports_before[i]->IceProtocol()); EXPECT_EQ(kTiebreaker1, ports_before[i]->IceTiebreaker()); } ep1_ch1()->SetIceRole(cricket::ICEROLE_CONTROLLED); ep1_ch1()->SetIceProtocolType(cricket::ICEPROTO_RFC5245); ep1_ch1()->SetIceTiebreaker(kTiebreaker2); const std::vector ports_after = ep1_ch1()->ports(); for (size_t i = 0; i < ports_after.size(); ++i) { EXPECT_EQ(cricket::ICEROLE_CONTROLLED, ports_before[i]->GetIceRole()); EXPECT_EQ(cricket::ICEPROTO_RFC5245, ports_before[i]->IceProtocol()); // SetIceTiebreaker after Connect() has been called will fail. So expect the // original value. EXPECT_EQ(kTiebreaker1, ports_before[i]->IceTiebreaker()); } EXPECT_TRUE_WAIT(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000); EXPECT_TRUE(ep1_ch1()->best_connection() && ep2_ch1()->best_connection()); TestSendRecv(1); } // Verify that we can set DSCP value and retrieve properly from P2PTC. TEST_F(P2PTransportChannelTest, TestDefaultDscpValue) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); CreateChannels(1); EXPECT_EQ(talk_base::DSCP_NO_CHANGE, GetEndpoint(0)->cd1_.ch_->DefaultDscpValue()); EXPECT_EQ(talk_base::DSCP_NO_CHANGE, GetEndpoint(1)->cd1_.ch_->DefaultDscpValue()); GetEndpoint(0)->cd1_.ch_->SetOption( talk_base::Socket::OPT_DSCP, talk_base::DSCP_CS6); GetEndpoint(1)->cd1_.ch_->SetOption( talk_base::Socket::OPT_DSCP, talk_base::DSCP_CS6); EXPECT_EQ(talk_base::DSCP_CS6, GetEndpoint(0)->cd1_.ch_->DefaultDscpValue()); EXPECT_EQ(talk_base::DSCP_CS6, GetEndpoint(1)->cd1_.ch_->DefaultDscpValue()); GetEndpoint(0)->cd1_.ch_->SetOption( talk_base::Socket::OPT_DSCP, talk_base::DSCP_AF41); GetEndpoint(1)->cd1_.ch_->SetOption( talk_base::Socket::OPT_DSCP, talk_base::DSCP_AF41); EXPECT_EQ(talk_base::DSCP_AF41, GetEndpoint(0)->cd1_.ch_->DefaultDscpValue()); EXPECT_EQ(talk_base::DSCP_AF41, GetEndpoint(1)->cd1_.ch_->DefaultDscpValue()); } // Verify IPv6 connection is preferred over IPv4. TEST_F(P2PTransportChannelTest, TestIPv6Connections) { AddAddress(0, kIPv6PublicAddrs[0]); AddAddress(0, kPublicAddrs[0]); AddAddress(1, kIPv6PublicAddrs[1]); AddAddress(1, kPublicAddrs[1]); SetAllocationStepDelay(0, kMinimumStepDelay); SetAllocationStepDelay(1, kMinimumStepDelay); // Enable IPv6 SetAllocatorFlags(0, cricket::PORTALLOCATOR_ENABLE_IPV6); SetAllocatorFlags(1, cricket::PORTALLOCATOR_ENABLE_IPV6); CreateChannels(1); EXPECT_TRUE_WAIT(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000); EXPECT_TRUE( ep1_ch1()->best_connection() && ep2_ch1()->best_connection() && LocalCandidate(ep1_ch1())->address().EqualIPs(kIPv6PublicAddrs[0]) && RemoteCandidate(ep1_ch1())->address().EqualIPs(kIPv6PublicAddrs[1])); TestSendRecv(1); DestroyChannels(); } // Test what happens when we have 2 users behind the same NAT. This can lead // to interesting behavior because the STUN server will only give out the // address of the outermost NAT. class P2PTransportChannelSameNatTest : public P2PTransportChannelTestBase { protected: void ConfigureEndpoints(Config nat_type, Config config1, Config config2) { ASSERT(nat_type >= NAT_FULL_CONE && nat_type <= NAT_SYMMETRIC); talk_base::NATSocketServer::Translator* outer_nat = nat()->AddTranslator(kPublicAddrs[0], kNatAddrs[0], static_cast(nat_type - NAT_FULL_CONE)); ConfigureEndpoint(outer_nat, 0, config1); ConfigureEndpoint(outer_nat, 1, config2); } void ConfigureEndpoint(talk_base::NATSocketServer::Translator* nat, int endpoint, Config config) { ASSERT(config <= NAT_SYMMETRIC); if (config == OPEN) { AddAddress(endpoint, kPrivateAddrs[endpoint]); nat->AddClient(kPrivateAddrs[endpoint]); } else { AddAddress(endpoint, kCascadedPrivateAddrs[endpoint]); nat->AddTranslator(kPrivateAddrs[endpoint], kCascadedNatAddrs[endpoint], static_cast(config - NAT_FULL_CONE))->AddClient( kCascadedPrivateAddrs[endpoint]); } } }; TEST_F(P2PTransportChannelSameNatTest, TestConesBehindSameCone) { ConfigureEndpoints(NAT_FULL_CONE, NAT_FULL_CONE, NAT_FULL_CONE); Test(kLocalUdpToStunUdp); } // Test what happens when we have multiple available pathways. // In the future we will try different RTTs and configs for the different // interfaces, so that we can simulate a user with Ethernet and VPN networks. class P2PTransportChannelMultihomedTest : public P2PTransportChannelTestBase { }; // Test that we can establish connectivity when both peers are multihomed. TEST_F(P2PTransportChannelMultihomedTest, DISABLED_TestBasic) { AddAddress(0, kPublicAddrs[0]); AddAddress(0, kAlternateAddrs[0]); AddAddress(1, kPublicAddrs[1]); AddAddress(1, kAlternateAddrs[1]); Test(kLocalUdpToLocalUdp); } // Test that we can quickly switch links if an interface goes down. TEST_F(P2PTransportChannelMultihomedTest, TestFailover) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); AddAddress(1, kAlternateAddrs[1]); // Use only local ports for simplicity. SetAllocatorFlags(0, kOnlyLocalPorts); SetAllocatorFlags(1, kOnlyLocalPorts); // Create channels and let them go writable, as usual. CreateChannels(1); EXPECT_TRUE_WAIT(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000); EXPECT_TRUE( ep1_ch1()->best_connection() && ep2_ch1()->best_connection() && LocalCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[0]) && RemoteCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[1])); // Blackhole any traffic to or from the public addrs. LOG(LS_INFO) << "Failing over..."; fw()->AddRule(false, talk_base::FP_ANY, talk_base::FD_ANY, kPublicAddrs[1]); // We should detect loss of connectivity within 5 seconds or so. EXPECT_TRUE_WAIT(!ep1_ch1()->writable(), 7000); // We should switch over to use the alternate addr immediately // when we lose writability. EXPECT_TRUE_WAIT( ep1_ch1()->best_connection() && ep2_ch1()->best_connection() && LocalCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[0]) && RemoteCandidate(ep1_ch1())->address().EqualIPs(kAlternateAddrs[1]), 3000); DestroyChannels(); } // Test that we can switch links in a coordinated fashion. TEST_F(P2PTransportChannelMultihomedTest, TestDrain) { AddAddress(0, kPublicAddrs[0]); AddAddress(1, kPublicAddrs[1]); // Use only local ports for simplicity. SetAllocatorFlags(0, kOnlyLocalPorts); SetAllocatorFlags(1, kOnlyLocalPorts); // Create channels and let them go writable, as usual. CreateChannels(1); EXPECT_TRUE_WAIT(ep1_ch1()->readable() && ep1_ch1()->writable() && ep2_ch1()->readable() && ep2_ch1()->writable(), 1000); EXPECT_TRUE( ep1_ch1()->best_connection() && ep2_ch1()->best_connection() && LocalCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[0]) && RemoteCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[1])); // Remove the public interface, add the alternate interface, and allocate // a new generation of candidates for the new interface (via Connect()). LOG(LS_INFO) << "Draining..."; AddAddress(1, kAlternateAddrs[1]); RemoveAddress(1, kPublicAddrs[1]); ep2_ch1()->Connect(); // We should switch over to use the alternate address after // an exchange of pings. EXPECT_TRUE_WAIT( ep1_ch1()->best_connection() && ep2_ch1()->best_connection() && LocalCandidate(ep1_ch1())->address().EqualIPs(kPublicAddrs[0]) && RemoteCandidate(ep1_ch1())->address().EqualIPs(kAlternateAddrs[1]), 3000); DestroyChannels(); }