| /* |
| * 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/gunit.h" |
| #include "talk/base/helpers.h" |
| #include "talk/base/physicalsocketserver.h" |
| #include "talk/base/scoped_ptr.h" |
| #include "talk/base/socketaddress.h" |
| #include "talk/base/virtualsocketserver.h" |
| #include "talk/p2p/base/basicpacketsocketfactory.h" |
| #include "talk/p2p/base/stunport.h" |
| #include "talk/p2p/base/teststunserver.h" |
| |
| using talk_base::SocketAddress; |
| |
| static const SocketAddress kLocalAddr("127.0.0.1", 0); |
| static const SocketAddress kStunAddr("127.0.0.1", 5000); |
| static const SocketAddress kBadAddr("0.0.0.1", 5000); |
| static const SocketAddress kStunHostnameAddr("localhost", 5000); |
| static const SocketAddress kBadHostnameAddr("not-a-real-hostname", 5000); |
| static const int kTimeoutMs = 10000; |
| |
| // Tests connecting a StunPort to a fake STUN server (cricket::StunServer) |
| // TODO: Use a VirtualSocketServer here. We have to use a |
| // PhysicalSocketServer right now since DNS is not part of SocketServer yet. |
| class StunPortTest : public testing::Test, |
| public sigslot::has_slots<> { |
| public: |
| StunPortTest() |
| : pss_(new talk_base::PhysicalSocketServer), |
| ss_(new talk_base::VirtualSocketServer(pss_.get())), |
| ss_scope_(ss_.get()), |
| network_("unittest", "unittest", talk_base::IPAddress(INADDR_ANY), 32), |
| socket_factory_(talk_base::Thread::Current()), |
| stun_server_(new cricket::TestStunServer( |
| talk_base::Thread::Current(), kStunAddr)), |
| done_(false), error_(false), stun_keepalive_delay_(0) { |
| } |
| |
| const cricket::Port* port() const { return stun_port_.get(); } |
| bool done() const { return done_; } |
| bool error() const { return error_; } |
| |
| void CreateStunPort(const talk_base::SocketAddress& server_addr) { |
| stun_port_.reset(cricket::StunPort::Create( |
| talk_base::Thread::Current(), &socket_factory_, &network_, |
| kLocalAddr.ipaddr(), 0, 0, talk_base::CreateRandomString(16), |
| talk_base::CreateRandomString(22), server_addr)); |
| stun_port_->set_stun_keepalive_delay(stun_keepalive_delay_); |
| stun_port_->SignalPortComplete.connect(this, |
| &StunPortTest::OnPortComplete); |
| stun_port_->SignalPortError.connect(this, |
| &StunPortTest::OnPortError); |
| } |
| |
| void CreateSharedStunPort(const talk_base::SocketAddress& server_addr) { |
| socket_.reset(socket_factory_.CreateUdpSocket( |
| talk_base::SocketAddress(kLocalAddr.ipaddr(), 0), 0, 0)); |
| ASSERT_TRUE(socket_ != NULL); |
| socket_->SignalReadPacket.connect(this, &StunPortTest::OnReadPacket); |
| stun_port_.reset(cricket::UDPPort::Create( |
| talk_base::Thread::Current(), &socket_factory_, |
| &network_, socket_.get(), |
| talk_base::CreateRandomString(16), talk_base::CreateRandomString(22))); |
| ASSERT_TRUE(stun_port_ != NULL); |
| stun_port_->set_server_addr(server_addr); |
| stun_port_->SignalPortComplete.connect(this, |
| &StunPortTest::OnPortComplete); |
| stun_port_->SignalPortError.connect(this, |
| &StunPortTest::OnPortError); |
| } |
| |
| void PrepareAddress() { |
| stun_port_->PrepareAddress(); |
| } |
| |
| void OnReadPacket(talk_base::AsyncPacketSocket* socket, const char* data, |
| size_t size, const talk_base::SocketAddress& remote_addr, |
| const talk_base::PacketTime& packet_time) { |
| stun_port_->HandleIncomingPacket( |
| socket, data, size, remote_addr, talk_base::PacketTime()); |
| } |
| |
| void SendData(const char* data, size_t len) { |
| stun_port_->HandleIncomingPacket( |
| socket_.get(), data, len, talk_base::SocketAddress("22.22.22.22", 0), |
| talk_base::PacketTime()); |
| } |
| |
| protected: |
| static void SetUpTestCase() { |
| // Ensure the RNG is inited. |
| talk_base::InitRandom(NULL, 0); |
| } |
| |
| void OnPortComplete(cricket::Port* port) { |
| done_ = true; |
| error_ = false; |
| } |
| void OnPortError(cricket::Port* port) { |
| done_ = true; |
| error_ = true; |
| } |
| void SetKeepaliveDelay(int delay) { |
| stun_keepalive_delay_ = delay; |
| } |
| |
| private: |
| talk_base::scoped_ptr<talk_base::PhysicalSocketServer> pss_; |
| talk_base::scoped_ptr<talk_base::VirtualSocketServer> ss_; |
| talk_base::SocketServerScope ss_scope_; |
| talk_base::Network network_; |
| talk_base::BasicPacketSocketFactory socket_factory_; |
| talk_base::scoped_ptr<cricket::UDPPort> stun_port_; |
| talk_base::scoped_ptr<cricket::TestStunServer> stun_server_; |
| talk_base::scoped_ptr<talk_base::AsyncPacketSocket> socket_; |
| bool done_; |
| bool error_; |
| int stun_keepalive_delay_; |
| }; |
| |
| // Test that we can create a STUN port |
| TEST_F(StunPortTest, TestBasic) { |
| CreateStunPort(kStunAddr); |
| EXPECT_EQ("stun", port()->Type()); |
| EXPECT_EQ(0U, port()->Candidates().size()); |
| } |
| |
| // Test that we can get an address from a STUN server. |
| TEST_F(StunPortTest, TestPrepareAddress) { |
| CreateStunPort(kStunAddr); |
| PrepareAddress(); |
| EXPECT_TRUE_WAIT(done(), kTimeoutMs); |
| ASSERT_EQ(1U, port()->Candidates().size()); |
| EXPECT_TRUE(kLocalAddr.EqualIPs(port()->Candidates()[0].address())); |
| |
| // TODO: Add IPv6 tests here, once either physicalsocketserver supports |
| // IPv6, or this test is changed to use VirtualSocketServer. |
| } |
| |
| // Test that we fail properly if we can't get an address. |
| TEST_F(StunPortTest, TestPrepareAddressFail) { |
| CreateStunPort(kBadAddr); |
| PrepareAddress(); |
| EXPECT_TRUE_WAIT(done(), kTimeoutMs); |
| EXPECT_TRUE(error()); |
| EXPECT_EQ(0U, port()->Candidates().size()); |
| } |
| |
| // Test that we can get an address from a STUN server specified by a hostname. |
| TEST_F(StunPortTest, TestPrepareAddressHostname) { |
| CreateStunPort(kStunHostnameAddr); |
| PrepareAddress(); |
| EXPECT_TRUE_WAIT(done(), kTimeoutMs); |
| ASSERT_EQ(1U, port()->Candidates().size()); |
| EXPECT_TRUE(kLocalAddr.EqualIPs(port()->Candidates()[0].address())); |
| } |
| |
| // Test that we handle hostname lookup failures properly. |
| TEST_F(StunPortTest, TestPrepareAddressHostnameFail) { |
| CreateStunPort(kBadHostnameAddr); |
| PrepareAddress(); |
| EXPECT_TRUE_WAIT(done(), kTimeoutMs); |
| EXPECT_TRUE(error()); |
| EXPECT_EQ(0U, port()->Candidates().size()); |
| } |
| |
| // This test verifies keepalive response messages don't result in |
| // additional candidate generation. |
| TEST_F(StunPortTest, TestKeepAliveResponse) { |
| SetKeepaliveDelay(500); // 500ms of keepalive delay. |
| CreateStunPort(kStunHostnameAddr); |
| PrepareAddress(); |
| EXPECT_TRUE_WAIT(done(), kTimeoutMs); |
| ASSERT_EQ(1U, port()->Candidates().size()); |
| EXPECT_TRUE(kLocalAddr.EqualIPs(port()->Candidates()[0].address())); |
| // Waiting for 1 seond, which will allow us to process |
| // response for keepalive binding request. 500 ms is the keepalive delay. |
| talk_base::Thread::Current()->ProcessMessages(1000); |
| ASSERT_EQ(1U, port()->Candidates().size()); |
| } |
| |
| // Test that a local candidate can be generated using a shared socket. |
| TEST_F(StunPortTest, TestSharedSocketPrepareAddress) { |
| CreateSharedStunPort(kStunAddr); |
| PrepareAddress(); |
| EXPECT_TRUE_WAIT(done(), kTimeoutMs); |
| ASSERT_EQ(1U, port()->Candidates().size()); |
| EXPECT_TRUE(kLocalAddr.EqualIPs(port()->Candidates()[0].address())); |
| } |
| |
| // Test that we still a get a local candidate with invalid stun server hostname. |
| // Also verifing that UDPPort can receive packets when stun address can't be |
| // resolved. |
| TEST_F(StunPortTest, TestSharedSocketPrepareAddressInvalidHostname) { |
| CreateSharedStunPort(kBadHostnameAddr); |
| PrepareAddress(); |
| EXPECT_TRUE_WAIT(done(), kTimeoutMs); |
| ASSERT_EQ(1U, port()->Candidates().size()); |
| EXPECT_TRUE(kLocalAddr.EqualIPs(port()->Candidates()[0].address())); |
| |
| // Send data to port after it's ready. This is to make sure, UDP port can |
| // handle data with unresolved stun server address. |
| std::string data = "some random data, sending to cricket::Port."; |
| SendData(data.c_str(), data.length()); |
| // No crash is success. |
| } |