Remove GICE.

webrtc/p2p/base/p2ptransportchannel_unittest.cc

 /*
  *  Copyright 2009 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 14 matching lines @@
 #include "webrtc/base/physicalsocketserver.h"
 #include "webrtc/base/proxyserver.h"
 #include "webrtc/base/socketaddress.h"
 #include "webrtc/base/ssladapter.h"
 #include "webrtc/base/thread.h"
 #include "webrtc/base/virtualsocketserver.h"
 
 using cricket::kDefaultPortAllocatorFlags;
 using cricket::kMinimumStepDelay;
 using cricket::kDefaultStepDelay;
-using cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG;
 using cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET;
 using cricket::ServerAddresses;
 using rtc::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] =
@@ skipping 124 matching lines @@
 
   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) {
     }
+
+    Result reversed() const {
+      return Result(remote_type, remote_proto,
+                    local_type, local_proto,
+                    remote_type2, remote_proto2,
+                    local_type2, remote_proto2,
+                    connect_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;
   };
@@ skipping 20 matching lines @@
     }
     cricket::TransportChannel* channel;
     cricket::Candidate candidate;
   };
 
   struct Endpoint {
     Endpoint()
         : role_(cricket::ICEROLE_UNKNOWN),
           tiebreaker_(0),
           role_conflict_(false),
-          save_candidates_(false),
-          protocol_type_(cricket::ICEPROTO_GOOGLE) {}
+          save_candidates_(false) {}
     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 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);
     }
 
     rtc::FakeNetworkManager network_manager_;
     rtc::scoped_ptr<cricket::BasicPortAllocator> allocator_;
     ChannelData cd1_;
     ChannelData cd2_;
     cricket::IceRole role_;
     uint64 tiebreaker_;
     bool role_conflict_;
     bool save_candidates_;
-    cricket::IceProtocolType protocol_type_;
     std::vector<CandidateData*> saved_candidates_;
   };
 
   ChannelData* GetChannelData(cricket::TransportChannel* channel) {
     if (ep1_.HasChannel(channel))
       return ep1_.GetChannelData(channel);
     else
       return ep2_.GetChannelData(channel);
   }
 
@@ skipping 35 matching lines @@
     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;
@@ skipping 47 matching lines @@
   void SetProxy(int endpoint, rtc::ProxyType type) {
     rtc::ProxyInfo info;
     info.type = type;
     info.address = (type == rtc::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 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);
   }
 
+  bool IsLocalToPrflxOrTheReverse(const Result& expected) {
+    return ((expected.local_type == "local" &&
+             expected.remote_type == "prflx") ||
+            (expected.local_type == "prflx" &&
+             expected.remote_type == "local"));
+  }
+
+  bool CheckCandidate1(const Result& expected) {
+    const std::string& local_type = LocalCandidate(ep1_ch1())->type();
+    const std::string& local_proto = LocalCandidate(ep1_ch1())->protocol();
+    const std::string& remote_type = RemoteCandidate(ep1_ch1())->type();
+    const std::string& remote_proto = RemoteCandidate(ep1_ch1())->protocol();
+    return ((local_proto == expected.local_proto &&
+             remote_proto == expected.remote_proto) &&
+            ((local_type == expected.local_type &&
+              remote_type == expected.remote_type) ||
+             // Sometimes we expect local -> prflx or prflx -> local
+             // and instead get prflx -> local or local -> prflx, and
+             // that's OK.
+             (IsLocalToPrflxOrTheReverse(expected) &&
+              local_type == expected.remote_type &&
+              remote_type == expected.local_type)));
+  }
+
+  void ExpectCandidate1(const Result& expected) {
+    if (CheckCandidate1(expected)) {
+      return;
+    }
+
+    const std::string& local_type = LocalCandidate(ep1_ch1())->type();
+    const std::string& local_proto = LocalCandidate(ep1_ch1())->protocol();
+    const std::string& remote_type = RemoteCandidate(ep1_ch1())->type();
+    const std::string& remote_proto = RemoteCandidate(ep1_ch1())->protocol();
+    EXPECT_EQ(expected.local_type, local_type);
+    EXPECT_EQ(expected.remote_type, remote_type);
+    EXPECT_EQ(expected.local_proto, local_proto);
+    EXPECT_EQ(expected.remote_proto, remote_proto);
+  }
+
+  bool CheckCandidate2(const Result& expected) {
+    const std::string& local_type = LocalCandidate(ep2_ch1())->type();
+    // const std::string& remote_type = RemoteCandidate(ep2_ch1())->type();
+    const std::string& local_proto = LocalCandidate(ep2_ch1())->protocol();
+    const std::string& remote_proto = 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
+    return ((local_proto == expected.local_proto2 &&
+             remote_proto == expected.remote_proto2) &&
+            (local_type == expected.local_type2 ||
+             // Sometimes we expect local -> prflx or prflx -> local
+             // and instead get prflx -> local or local -> prflx, and
+             // that's OK.
+             (IsLocalToPrflxOrTheReverse(expected) &&
+              local_type == expected.remote_type2)));
+  }
+
+  void ExpectCandidate2(const Result& expected) {
+    if (CheckCandidate2(expected)) {
+      return;
+    }
+
+    const std::string& local_type = LocalCandidate(ep2_ch1())->type();
+    const std::string& local_proto = LocalCandidate(ep2_ch1())->protocol();
+    const std::string& remote_type = RemoteCandidate(ep2_ch1())->type();
+    EXPECT_EQ(expected.local_proto2, local_proto);
+    EXPECT_EQ(expected.remote_proto2, remote_type);
+    EXPECT_EQ(expected.local_type2, local_type);
+    if (remote_type != expected.remote_type2) {
+      EXPECT_TRUE(expected.remote_type2 == cricket::LOCAL_PORT_TYPE ||
+                  expected.remote_type2 == cricket::STUN_PORT_TYPE);
+      EXPECT_TRUE(remote_type == cricket::LOCAL_PORT_TYPE ||
+                  remote_type == cricket::STUN_PORT_TYPE ||
+                  remote_type == cricket::PRFLX_PORT_TYPE);
+    }
+  }
+
   void Test(const Result& expected) {
     int32 connect_start = rtc::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 = rtc::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 = rtc::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);
-
+      EXPECT_TRUE_WAIT_MARGIN(CheckCandidate1(expected),
+                              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());
+      ExpectCandidate1(expected);
 
       // 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);
-        }
-      }
+      // Checking for best connection candidates information at remote.
+      EXPECT_TRUE_WAIT(CheckCandidate2(expected), kDefaultTimeout);
+      // For verbose
+      ExpectCandidate2(expected);
 
       converge_time = rtc::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.
@@ skipping 56 matching lines @@
                             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 TestHybridConnectivity(cricket::IceProtocolType proto) {
-    AddAddress(0, kPublicAddrs[0]);
-    AddAddress(1, kPublicAddrs[1]);
-
-    SetAllocationStepDelay(0, kMinimumStepDelay);
-    SetAllocationStepDelay(1, kMinimumStepDelay);
-
-    SetIceRole(0, cricket::ICEROLE_CONTROLLING);
-    SetIceProtocol(0, cricket::ICEPROTO_HYBRID);
-    SetIceTiebreaker(0, kTiebreaker1);
-    SetIceRole(1, cricket::ICEROLE_CONTROLLED);
-    SetIceProtocol(1, proto);
-    SetIceTiebreaker(1, kTiebreaker2);
-
-    CreateChannels(1);
-    // When channel is in hybrid and it's controlling agent, channel will
-    // receive ping request from the remote. Hence connection is readable.
-    // Since channel is in hybrid, it will not send any pings, so no writable
-    // connection. Since channel2 is in controlled state, it will not have
-    // any connections which are readable or writable, as it didn't received
-    // pings (or none) with USE-CANDIDATE attribute.
-    EXPECT_TRUE_WAIT(ep1_ch1()->readable(), 1000);
-
-    // Set real protocol type.
-    ep1_ch1()->SetIceProtocolType(proto);
-
-    // Channel should able to send ping requests and connections become writable
-    // in both directions.
-    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]));
-
-    TestSendRecv(1);
-    DestroyChannels();
-  }
-
   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) {
     if (force_relay_ && c.type() != cricket::RELAY_PORT_TYPE)
       return;
 
     if (GetEndpoint(ch)->save_candidates_) {
@@ skipping 159 matching lines @@
 
 // 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) {
-    // Ideally we want to use TURN server for both GICE and ICE, but in case
-    // of GICE, TURN server usage is not producing results reliabally.
-    // TODO(mallinath): Remove Relay and use TURN server for all tests.
+                          int allocator_flags1, int allocator_flags2) {
     ServerAddresses stun_servers;
     stun_servers.insert(kStunAddr);
     GetEndpoint(0)->allocator_.reset(
         new cricket::BasicPortAllocator(&(GetEndpoint(0)->network_manager_),
         stun_servers,
         rtc::SocketAddress(), rtc::SocketAddress(),
         rtc::SocketAddress()));
     GetEndpoint(1)->allocator_.reset(
         new cricket::BasicPortAllocator(&(GetEndpoint(1)->network_manager_),
         stun_servers,
         rtc::SocketAddress(), rtc::SocketAddress(),
         rtc::SocketAddress()));
 
-    cricket::RelayServerConfig relay_server(cricket::RELAY_GTURN);
-    if (type == cricket::ICEPROTO_RFC5245) {
-      relay_server.type = cricket::RELAY_TURN;
-      relay_server.credentials = kRelayCredentials;
-      relay_server.ports.push_back(cricket::ProtocolAddress(
-          kTurnUdpIntAddr, cricket::PROTO_UDP, false));
-    } else {
-      relay_server.ports.push_back(cricket::ProtocolAddress(
-          kRelayUdpIntAddr, cricket::PROTO_UDP, false));
-      relay_server.ports.push_back(cricket::ProtocolAddress(
-          kRelayTcpIntAddr, cricket::PROTO_TCP, false));
-      relay_server.ports.push_back(cricket::ProtocolAddress(
-          kRelaySslTcpIntAddr, cricket::PROTO_SSLTCP, false));
-    }
+    cricket::RelayServerConfig relay_server(cricket::RELAY_TURN);
+    relay_server.credentials = kRelayCredentials;
+    relay_server.ports.push_back(cricket::ProtocolAddress(
+        kTurnUdpIntAddr, cricket::PROTO_UDP, false));
     GetEndpoint(0)->allocator_->AddRelay(relay_server);
     GetEndpoint(1)->allocator_->AddRelay(relay_server);
 
+    int delay = kMinimumStepDelay;
     ConfigureEndpoint(0, config1);
-    SetIceProtocol(0, type);
     SetAllocatorFlags(0, allocator_flags1);
-    SetAllocationStepDelay(0, delay1);
+    SetAllocationStepDelay(0, delay);
     ConfigureEndpoint(1, config2);
-    SetIceProtocol(1, type);
     SetAllocatorFlags(1, allocator_flags2);
-    SetAllocationStepDelay(1, delay2);
+    SetAllocationStepDelay(1, delay);
 
-    if (type == cricket::ICEPROTO_RFC5245) {
-      set_clear_remote_candidates_ufrag_pwd(true);
-    }
+    set_clear_remote_candidates_ufrag_pwd(true);
   }
   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:
@@ skipping 171 matching lines @@
 /*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 | \
+  TEST_F(P2PTransportChannelTest, z##Test##x##To##y) { \
+    ConfigureEndpoints(x, y, \
                        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); \
+                       PORTALLOCATOR_ENABLE_SHARED_SOCKET);  \
     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) \
@@ skipping 37 matching lines @@
 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) {
+TEST_F(P2PTransportChannelTest, HandleUfragPwdChange) {
   ConfigureEndpoints(OPEN, OPEN,
-                     PORTALLOCATOR_ENABLE_SHARED_UFRAG,
-                     PORTALLOCATOR_ENABLE_SHARED_UFRAG,
-                     kMinimumStepDelay, kMinimumStepDelay,
-                     cricket::ICEPROTO_RFC5245);
+                     kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   CreateChannels(1);
   TestHandleIceUfragPasswordChanged();
   DestroyChannels();
-}
-
-// 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();
-  DestroyChannels();
 }
 
 // Test the operation of GetStats.
 TEST_F(P2PTransportChannelTest, GetStats) {
   ConfigureEndpoints(OPEN, OPEN,
                      kDefaultPortAllocatorFlags,
-                     kDefaultPortAllocatorFlags,
-                     kDefaultStepDelay, kDefaultStepDelay,
-                     cricket::ICEPROTO_GOOGLE);
+                     kDefaultPortAllocatorFlags);
   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(10U, infos[0].sent_total_packets);
   EXPECT_EQ(0U, infos[0].sent_discarded_packets);
   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 create a connection on a STUN ping from unknown address
 // when the signaling is slow.
 TEST_F(P2PTransportChannelTest, PeerReflexiveCandidateBeforeSignaling) {
   ConfigureEndpoints(OPEN, OPEN,
-                     PORTALLOCATOR_ENABLE_SHARED_UFRAG,
-                     PORTALLOCATOR_ENABLE_SHARED_UFRAG,
-                     kDefaultStepDelay, kDefaultStepDelay,
-                     cricket::ICEPROTO_RFC5245);
+                     kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // Emulate no remote credentials coming in.
   set_clear_remote_candidates_ufrag_pwd(false);
   CreateChannels(1);
   // Only have remote credentials come in for ep2, not ep1.
   ep2_ch1()->SetRemoteIceCredentials(kIceUfrag[3], kIcePwd[3]);
 
   // Pause sending ep2's candidates to ep1 until ep1 receives the peer reflexive
   // candidate.
   PauseCandidates(1);
 
@@ skipping 23 matching lines @@
       ep1_ch1()->best_connection()->remote_candidate().type(),
       2000);
   EXPECT_EQ(best_connection, ep1_ch1()->best_connection());
   DestroyChannels();
 }
 
 // Test that we properly create a connection on a STUN ping from unknown address
 // when the signaling is slow and the end points are behind NAT.
 TEST_F(P2PTransportChannelTest, PeerReflexiveCandidateBeforeSignalingWithNAT) {
   ConfigureEndpoints(OPEN, NAT_SYMMETRIC,
-                     PORTALLOCATOR_ENABLE_SHARED_UFRAG,
-                     PORTALLOCATOR_ENABLE_SHARED_UFRAG,
-                     kDefaultStepDelay, kDefaultStepDelay,
-                     cricket::ICEPROTO_RFC5245);
+                     kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   // Emulate no remote credentials coming in.
   set_clear_remote_candidates_ufrag_pwd(false);
   CreateChannels(1);
   // Only have remote credentials come in for ep2, not ep1.
   ep2_ch1()->SetRemoteIceCredentials(kIceUfrag[3], kIcePwd[3]);
   // Pause sending ep2's candidates to ep1 until ep1 receives the peer reflexive
   // candidate.
   PauseCandidates(1);
 
   // The caller should have the best connection connected to the peer reflexive
@@ skipping 21 matching lines @@
   WAIT(ep1_ch1()->writable(), 2000);
   EXPECT_EQ(ep2_ch1()->best_connection(), best_connection);
   EXPECT_EQ("prflx", ep1_ch1()->best_connection()->remote_candidate().type());
   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);
+                     kDefaultPortAllocatorFlags,
+                     kDefaultPortAllocatorFlags);
   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);
+                     kDefaultPortAllocatorFlags);
 
   SetAllocatorFlags(0, kOnlyLocalPorts);
   CreateChannels(1);
   ep1_ch1()->set_incoming_only(true);
 
   // Pump for 1 second and verify that the channels are not connected.
   rtc::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);
+                     kDefaultPortAllocatorFlags);
 
   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;
+                           cricket::PORTALLOCATOR_DISABLE_RELAY;
   // 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() &&
@@ skipping 20 matching lines @@
   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<cricket::PortInterface *> 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<cricket::PortInterface *> 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);
   DestroyChannels();
 }
 
-// This test verifies channel can handle ice messages when channel is in
-// hybrid mode.
-TEST_F(P2PTransportChannelTest, TestConnectivityBetweenHybridandIce) {
-  TestHybridConnectivity(cricket::ICEPROTO_RFC5245);
-}
-
-// This test verifies channel can handle Gice messages when channel is in
-// hybrid mode.
-TEST_F(P2PTransportChannelTest, TestConnectivityBetweenHybridandGice) {
-  TestHybridConnectivity(cricket::ICEPROTO_GOOGLE);
-}
-
 // 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(rtc::DSCP_NO_CHANGE,
             GetEndpoint(0)->cd1_.ch_->DefaultDscpValue());
   EXPECT_EQ(rtc::DSCP_NO_CHANGE,
             GetEndpoint(1)->cd1_.ch_->DefaultDscpValue());
@@ skipping 40 matching lines @@
       RemoteCandidate(ep1_ch1())->address().EqualIPs(kIPv6PublicAddrs[1]));
 
   TestSendRecv(1);
   DestroyChannels();
 }
 
 // Testing forceful TURN connections.
 TEST_F(P2PTransportChannelTest, TestForceTurn) {
   ConfigureEndpoints(NAT_PORT_RESTRICTED, NAT_SYMMETRIC,
                      kDefaultPortAllocatorFlags |
-                         cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET |
-                         cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG,
+                         cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET,
                      kDefaultPortAllocatorFlags |
-                         cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET |
-                         cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG,
-                     kDefaultStepDelay, kDefaultStepDelay,
-                     cricket::ICEPROTO_RFC5245);
+                         cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
   set_force_relay(true);
 
   SetAllocationStepDelay(0, kMinimumStepDelay);
   SetAllocationStepDelay(1, kMinimumStepDelay);
 
   CreateChannels(1);
 
   EXPECT_TRUE_WAIT(ep1_ch1()->readable() &&
                    ep1_ch1()->writable() &&
                    ep2_ch1()->readable() &&
                    ep2_ch1()->writable(),
-                   1000);
+                   2000);
 
   EXPECT_TRUE(ep1_ch1()->best_connection() &&
               ep2_ch1()->best_connection());
 
   EXPECT_EQ("relay", RemoteCandidate(ep1_ch1())->type());
   EXPECT_EQ("relay", LocalCandidate(ep1_ch1())->type());
   EXPECT_EQ("relay", RemoteCandidate(ep2_ch1())->type());
   EXPECT_EQ("relay", LocalCandidate(ep2_ch1())->type());
 
   TestSendRecv(1);
@@ skipping 23 matching lines @@
       AddAddress(endpoint, kCascadedPrivateAddrs[endpoint]);
       nat->AddTranslator(kPrivateAddrs[endpoint], kCascadedNatAddrs[endpoint],
           static_cast<rtc::NATType>(config - NAT_FULL_CONE))->AddClient(
               kCascadedPrivateAddrs[endpoint]);
     }
   }
 };
 
 TEST_F(P2PTransportChannelSameNatTest, TestConesBehindSameCone) {
   ConfigureEndpoints(NAT_FULL_CONE, NAT_FULL_CONE, NAT_FULL_CONE);
-  Test(kLocalUdpToStunUdp);
+  Test(P2PTransportChannelTestBase::Result(
+      "prflx", "udp", "stun", "udp",
+      "stun", "udp", "prflx", "udp", 1000));
 }
 
 // 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) {
@@ skipping 38 matching lines @@
   // 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();
 }
 
+/*
+
+TODO(pthatcher): Once have a way to handle network interfaces changes
+without signalling an ICE restart, put a test like this back.  In the
+mean time, this test only worked for GICE.  With ICE, it's currently
+not possible without an ICE restart.
+
 // 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();
 }
 
+*/
+
 // A collection of tests which tests a single P2PTransportChannel by sending
 // pings.
 class P2PTransportChannelPingTest : public testing::Test,
                                     public sigslot::has_slots<> {
  public:
   P2PTransportChannelPingTest()
       : pss_(new rtc::PhysicalSocketServer),
         vss_(new rtc::VirtualSocketServer(pss_.get())),
         ss_scope_(vss_.get()) {}
 
  protected:
   void PrepareChannel(cricket::P2PTransportChannel* ch) {
     ch->SignalRequestSignaling.connect(
         this, &P2PTransportChannelPingTest::OnChannelRequestSignaling);
-    ch->SetIceProtocolType(cricket::ICEPROTO_RFC5245);
     ch->SetIceRole(cricket::ICEROLE_CONTROLLING);
     ch->SetIceCredentials(kIceUfrag[0], kIcePwd[0]);
     ch->SetRemoteIceCredentials(kIceUfrag[1], kIcePwd[1]);
   }
 
   void OnChannelRequestSignaling(cricket::TransportChannelImpl* channel) {
     channel->OnSignalingReady();
   }
 
   cricket::Candidate CreateCandidate(const std::string& ip,
@@ skipping 149 matching lines @@
   ch.OnCandidate(CreateCandidate("1.1.1.1", 1, 1));
   cricket::Connection* conn1 = WaitForConnectionTo(&ch, "1.1.1.1", 1);
   ASSERT_TRUE(conn1 != nullptr);
 
   conn1->ReceivedPing();
   conn1->OnReadPacket("ABC", 3, rtc::CreatePacketTime(0));
   EXPECT_TRUE_WAIT(ch.best_connection() != nullptr, 1000)
   EXPECT_TRUE_WAIT(ch.receiving(), 1000);
   EXPECT_TRUE_WAIT(!ch.receiving(), 1000);
 }