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webrtc/talk/p2p/client/portallocator_unittest.cc

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/*
* 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/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/network.h"
#include "talk/base/physicalsocketserver.h"
#include "talk/base/socketaddress.h"
#include "talk/base/thread.h"
#include "talk/base/virtualsocketserver.h"
#include "talk/p2p/base/basicpacketsocketfactory.h"
#include "talk/p2p/base/constants.h"
#include "talk/p2p/base/p2ptransportchannel.h"
#include "talk/p2p/base/portallocatorsessionproxy.h"
#include "talk/p2p/base/testrelayserver.h"
#include "talk/p2p/base/teststunserver.h"
#include "talk/p2p/client/basicportallocator.h"
#include "talk/p2p/client/httpportallocator.h"
using talk_base::SocketAddress;
using talk_base::Thread;
static const SocketAddress kClientAddr("11.11.11.11", 0);
static const SocketAddress kNatAddr("77.77.77.77", talk_base::NAT_SERVER_PORT);
static const SocketAddress kRemoteClientAddr("22.22.22.22", 0);
static const SocketAddress kStunAddr("99.99.99.1", cricket::STUN_SERVER_PORT);
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);
// Minimum and maximum port for port range tests.
static const int kMinPort = 10000;
static const int kMaxPort = 10099;
// Based on ICE_UFRAG_LENGTH
static const char kIceUfrag0[] = "TESTICEUFRAG0000";
// Based on ICE_PWD_LENGTH
static const char kIcePwd0[] = "TESTICEPWD00000000000000";
static const char kContentName[] = "test content";
static const int kDefaultAllocationTimeout = 1000;
namespace cricket {
// Helper for dumping candidates
std::ostream& operator<<(std::ostream& os, const cricket::Candidate& c) {
os << c.ToString();
return os;
}
} // namespace cricket
class PortAllocatorTest : public testing::Test, public sigslot::has_slots<> {
public:
static void SetUpTestCase() {
// Ensure the RNG is inited.
talk_base::InitRandom(NULL, 0);
}
PortAllocatorTest()
: pss_(new talk_base::PhysicalSocketServer),
vss_(new talk_base::VirtualSocketServer(pss_.get())),
fss_(new talk_base::FirewallSocketServer(vss_.get())),
ss_scope_(fss_.get()),
nat_factory_(vss_.get(), kNatAddr),
nat_socket_factory_(&nat_factory_),
stun_server_(Thread::Current(), kStunAddr),
relay_server_(Thread::Current(), kRelayUdpIntAddr, kRelayUdpExtAddr,
kRelayTcpIntAddr, kRelayTcpExtAddr,
kRelaySslTcpIntAddr, kRelaySslTcpExtAddr),
allocator_(new cricket::BasicPortAllocator(
&network_manager_, kStunAddr,
kRelayUdpIntAddr, kRelayTcpIntAddr, kRelaySslTcpIntAddr)),
candidate_allocation_done_(false) {
allocator_->set_step_delay(cricket::kMinimumStepDelay);
}
void AddInterface(const SocketAddress& addr) {
network_manager_.AddInterface(addr);
}
bool SetPortRange(int min_port, int max_port) {
return allocator_->SetPortRange(min_port, max_port);
}
talk_base::NATServer* CreateNatServer(const SocketAddress& addr,
talk_base::NATType type) {
return new talk_base::NATServer(type, vss_.get(), addr, vss_.get(), addr);
}
bool CreateSession(int component) {
session_.reset(CreateSession("session", component));
if (!session_)
return false;
return true;
}
bool CreateSession(int component, const std::string& content_name) {
session_.reset(CreateSession("session", content_name, component));
if (!session_)
return false;
return true;
}
cricket::PortAllocatorSession* CreateSession(
const std::string& sid, int component) {
return CreateSession(sid, kContentName, component);
}
cricket::PortAllocatorSession* CreateSession(
const std::string& sid, const std::string& content_name, int component) {
return CreateSession(sid, content_name, component, kIceUfrag0, kIcePwd0);
}
cricket::PortAllocatorSession* CreateSession(
const std::string& sid, const std::string& content_name, int component,
const std::string& ice_ufrag, const std::string& ice_pwd) {
cricket::PortAllocatorSession* session =
allocator_->CreateSession(
sid, content_name, component, ice_ufrag, ice_pwd);
session->SignalPortReady.connect(this,
&PortAllocatorTest::OnPortReady);
session->SignalCandidatesReady.connect(this,
&PortAllocatorTest::OnCandidatesReady);
session->SignalCandidatesAllocationDone.connect(this,
&PortAllocatorTest::OnCandidatesAllocationDone);
return session;
}
static bool CheckCandidate(const cricket::Candidate& c,
int component, const std::string& type,
const std::string& proto,
const SocketAddress& addr) {
return (c.component() == component && c.type() == type &&
c.protocol() == proto && c.address().ipaddr() == addr.ipaddr() &&
((addr.port() == 0 && (c.address().port() != 0)) ||
(c.address().port() == addr.port())));
}
static bool CheckPort(const talk_base::SocketAddress& addr,
int min_port, int max_port) {
return (addr.port() >= min_port && addr.port() <= max_port);
}
void OnCandidatesAllocationDone(cricket::PortAllocatorSession* session) {
// We should only get this callback once, except in the mux test where
// we have multiple port allocation sessions.
if (session == session_.get()) {
ASSERT_FALSE(candidate_allocation_done_);
candidate_allocation_done_ = true;
}
}
// Check if all ports allocated have send-buffer size |expected|. If
// |expected| == -1, check if GetOptions returns SOCKET_ERROR.
void CheckSendBufferSizesOfAllPorts(int expected) {
std::vector<cricket::PortInterface*>::iterator it;
for (it = ports_.begin(); it < ports_.end(); ++it) {
int send_buffer_size;
if (expected == -1) {
EXPECT_EQ(SOCKET_ERROR,
(*it)->GetOption(talk_base::Socket::OPT_SNDBUF,
&send_buffer_size));
} else {
EXPECT_EQ(0, (*it)->GetOption(talk_base::Socket::OPT_SNDBUF,
&send_buffer_size));
ASSERT_EQ(expected, send_buffer_size);
}
}
}
protected:
cricket::BasicPortAllocator& allocator() {
return *allocator_;
}
void OnPortReady(cricket::PortAllocatorSession* ses,
cricket::PortInterface* port) {
LOG(LS_INFO) << "OnPortReady: " << port->ToString();
ports_.push_back(port);
}
void OnCandidatesReady(cricket::PortAllocatorSession* ses,
const std::vector<cricket::Candidate>& candidates) {
for (size_t i = 0; i < candidates.size(); ++i) {
LOG(LS_INFO) << "OnCandidatesReady: " << candidates[i].ToString();
candidates_.push_back(candidates[i]);
}
}
bool HasRelayAddress(const cricket::ProtocolAddress& proto_addr) {
for (size_t i = 0; i < allocator_->relays().size(); ++i) {
cricket::RelayServerConfig server_config = allocator_->relays()[i];
cricket::PortList::const_iterator relay_port;
for (relay_port = server_config.ports.begin();
relay_port != server_config.ports.end(); ++relay_port) {
if (proto_addr.address == relay_port->address &&
proto_addr.proto == relay_port->proto)
return true;
}
}
return false;
}
talk_base::scoped_ptr<talk_base::PhysicalSocketServer> pss_;
talk_base::scoped_ptr<talk_base::VirtualSocketServer> vss_;
talk_base::scoped_ptr<talk_base::FirewallSocketServer> fss_;
talk_base::SocketServerScope ss_scope_;
talk_base::NATSocketFactory nat_factory_;
talk_base::BasicPacketSocketFactory nat_socket_factory_;
cricket::TestStunServer stun_server_;
cricket::TestRelayServer relay_server_;
talk_base::FakeNetworkManager network_manager_;
talk_base::scoped_ptr<cricket::BasicPortAllocator> allocator_;
talk_base::scoped_ptr<cricket::PortAllocatorSession> session_;
std::vector<cricket::PortInterface*> ports_;
std::vector<cricket::Candidate> candidates_;
bool candidate_allocation_done_;
};
// Tests that we can init the port allocator and create a session.
TEST_F(PortAllocatorTest, TestBasic) {
EXPECT_EQ(&network_manager_, allocator().network_manager());
EXPECT_EQ(kStunAddr, allocator().stun_address());
ASSERT_EQ(1u, allocator().relays().size());
EXPECT_EQ(cricket::RELAY_GTURN, allocator().relays()[0].type);
// Empty relay credentials are used for GTURN.
EXPECT_TRUE(allocator().relays()[0].credentials.username.empty());
EXPECT_TRUE(allocator().relays()[0].credentials.password.empty());
EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress(
kRelayUdpIntAddr, cricket::PROTO_UDP)));
EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress(
kRelayTcpIntAddr, cricket::PROTO_TCP)));
EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress(
kRelaySslTcpIntAddr, cricket::PROTO_SSLTCP)));
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
}
// Tests that we can get all the desired addresses successfully.
TEST_F(PortAllocatorTest, TestGetAllPortsWithMinimumStepDelay) {
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(4U, ports_.size());
EXPECT_PRED5(CheckCandidate, candidates_[0],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[1],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[2],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[3],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr);
EXPECT_PRED5(CheckCandidate, candidates_[4],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[5],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[6],
cricket::ICE_CANDIDATE_COMPONENT_RTP,
"relay", "ssltcp", kRelaySslTcpIntAddr);
EXPECT_TRUE(candidate_allocation_done_);
}
// Verify candidates with default step delay of 1sec.
TEST_F(PortAllocatorTest, TestGetAllPortsWithOneSecondStepDelay) {
AddInterface(kClientAddr);
allocator_->set_step_delay(cricket::kDefaultStepDelay);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(2U, candidates_.size(), 1000);
EXPECT_EQ(2U, ports_.size());
ASSERT_EQ_WAIT(4U, candidates_.size(), 2000);
EXPECT_EQ(3U, ports_.size());
EXPECT_PRED5(CheckCandidate, candidates_[2],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[3],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr);
ASSERT_EQ_WAIT(6U, candidates_.size(), 1500);
EXPECT_PRED5(CheckCandidate, candidates_[4],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[5],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr);
EXPECT_EQ(4U, ports_.size());
ASSERT_EQ_WAIT(7U, candidates_.size(), 2000);
EXPECT_PRED5(CheckCandidate, candidates_[6],
cricket::ICE_CANDIDATE_COMPONENT_RTP,
"relay", "ssltcp", kRelaySslTcpIntAddr);
EXPECT_EQ(4U, ports_.size());
EXPECT_TRUE(candidate_allocation_done_);
// If we Stop gathering now, we shouldn't get a second "done" callback.
session_->StopGettingPorts();
}
TEST_F(PortAllocatorTest, TestSetupVideoRtpPortsWithNormalSendBuffers) {
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP,
cricket::CN_VIDEO));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_TRUE(candidate_allocation_done_);
// If we Stop gathering now, we shouldn't get a second "done" callback.
session_->StopGettingPorts();
// All ports should have normal send-buffer sizes (64KB).
CheckSendBufferSizesOfAllPorts(64 * 1024);
}
TEST_F(PortAllocatorTest, TestSetupVideoRtpPortsWithLargeSendBuffers) {
AddInterface(kClientAddr);
allocator_->set_flags(allocator_->flags() |
cricket::PORTALLOCATOR_USE_LARGE_SOCKET_SEND_BUFFERS);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP,
cricket::CN_VIDEO));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_TRUE(candidate_allocation_done_);
// If we Stop gathering now, we shouldn't get a second "done" callback.
session_->StopGettingPorts();
// All ports should have large send-buffer sizes (128KB).
CheckSendBufferSizesOfAllPorts(128 * 1024);
}
TEST_F(PortAllocatorTest, TestSetupVideoRtcpPortsAndCheckSendBuffers) {
AddInterface(kClientAddr);
allocator_->set_flags(allocator_->flags() |
cricket::PORTALLOCATOR_USE_LARGE_SOCKET_SEND_BUFFERS);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTCP,
cricket::CN_DATA));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_TRUE(candidate_allocation_done_);
// If we Stop gathering now, we shouldn't get a second "done" callback.
session_->StopGettingPorts();
// No ports should have send-buffer size set.
CheckSendBufferSizesOfAllPorts(-1);
}
TEST_F(PortAllocatorTest, TestSetupNonVideoPortsAndCheckSendBuffers) {
AddInterface(kClientAddr);
allocator_->set_flags(allocator_->flags() |
cricket::PORTALLOCATOR_USE_LARGE_SOCKET_SEND_BUFFERS);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP,
cricket::CN_DATA));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_TRUE(candidate_allocation_done_);
// If we Stop gathering now, we shouldn't get a second "done" callback.
session_->StopGettingPorts();
// No ports should have send-buffer size set.
CheckSendBufferSizesOfAllPorts(-1);
}
// Tests that we can get callback after StopGetAllPorts.
TEST_F(PortAllocatorTest, TestStopGetAllPorts) {
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(2U, ports_.size());
session_->StopGettingPorts();
EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout);
}
// Test that we restrict client ports appropriately when a port range is set.
// We check the candidates for udp/stun/tcp ports, and the from address
// for relay ports.
TEST_F(PortAllocatorTest, TestGetAllPortsPortRange) {
AddInterface(kClientAddr);
// Check that an invalid port range fails.
EXPECT_FALSE(SetPortRange(kMaxPort, kMinPort));
// Check that a null port range succeeds.
EXPECT_TRUE(SetPortRange(0, 0));
// Check that a valid port range succeeds.
EXPECT_TRUE(SetPortRange(kMinPort, kMaxPort));
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(4U, ports_.size());
// Check the port number for the UDP port object.
EXPECT_PRED3(CheckPort, candidates_[0].address(), kMinPort, kMaxPort);
// Check the port number for the STUN port object.
EXPECT_PRED3(CheckPort, candidates_[1].address(), kMinPort, kMaxPort);
// Check the port number used to connect to the relay server.
EXPECT_PRED3(CheckPort, relay_server_.GetConnection(0).source(),
kMinPort, kMaxPort);
// Check the port number for the TCP port object.
EXPECT_PRED3(CheckPort, candidates_[5].address(), kMinPort, kMaxPort);
EXPECT_TRUE(candidate_allocation_done_);
}
// Test that we don't crash or malfunction if we have no network adapters.
TEST_F(PortAllocatorTest, TestGetAllPortsNoAdapters) {
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
talk_base::Thread::Current()->ProcessMessages(100);
// Without network adapter, we should not get any candidate.
EXPECT_EQ(0U, candidates_.size());
EXPECT_TRUE(candidate_allocation_done_);
}
// Test that we can get OnCandidatesAllocationDone callback when all the ports
// are disabled.
TEST_F(PortAllocatorTest, TestDisableAllPorts) {
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->set_flags(cricket::PORTALLOCATOR_DISABLE_UDP |
cricket::PORTALLOCATOR_DISABLE_STUN |
cricket::PORTALLOCATOR_DISABLE_RELAY |
cricket::PORTALLOCATOR_DISABLE_TCP);
session_->StartGettingPorts();
talk_base::Thread::Current()->ProcessMessages(100);
EXPECT_EQ(0U, candidates_.size());
EXPECT_TRUE(candidate_allocation_done_);
}
// Test that we don't crash or malfunction if we can't create UDP sockets.
TEST_F(PortAllocatorTest, TestGetAllPortsNoUdpSockets) {
AddInterface(kClientAddr);
fss_->set_udp_sockets_enabled(false);
EXPECT_TRUE(CreateSession(1));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(5U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(2U, ports_.size());
EXPECT_PRED5(CheckCandidate, candidates_[0],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[1],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr);
EXPECT_PRED5(CheckCandidate, candidates_[2],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[3],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[4],
cricket::ICE_CANDIDATE_COMPONENT_RTP,
"relay", "ssltcp", kRelaySslTcpIntAddr);
EXPECT_TRUE(candidate_allocation_done_);
}
// Test that we don't crash or malfunction if we can't create UDP sockets or
// listen on TCP sockets. We still give out a local TCP address, since
// apparently this is needed for the remote side to accept our connection.
TEST_F(PortAllocatorTest, TestGetAllPortsNoUdpSocketsNoTcpListen) {
AddInterface(kClientAddr);
fss_->set_udp_sockets_enabled(false);
fss_->set_tcp_listen_enabled(false);
EXPECT_TRUE(CreateSession(1));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(5U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(2U, ports_.size());
EXPECT_PRED5(CheckCandidate, candidates_[0],
1, "relay", "udp", kRelayUdpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[1],
1, "relay", "udp", kRelayUdpExtAddr);
EXPECT_PRED5(CheckCandidate, candidates_[2],
1, "relay", "tcp", kRelayTcpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[3],
1, "local", "tcp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[4],
1, "relay", "ssltcp", kRelaySslTcpIntAddr);
EXPECT_TRUE(candidate_allocation_done_);
}
// Test that we don't crash or malfunction if we can't create any sockets.
// TODO: Find a way to exit early here.
TEST_F(PortAllocatorTest, TestGetAllPortsNoSockets) {
AddInterface(kClientAddr);
fss_->set_tcp_sockets_enabled(false);
fss_->set_udp_sockets_enabled(false);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
WAIT(candidates_.size() > 0, 2000);
// TODO - Check candidate_allocation_done signal.
// In case of Relay, ports creation will succeed but sockets will fail.
// There is no error reporting from RelayEntry to handle this failure.
}
// Testing STUN timeout.
TEST_F(PortAllocatorTest, TestGetAllPortsNoUdpAllowed) {
fss_->AddRule(false, talk_base::FP_UDP, talk_base::FD_ANY, kClientAddr);
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
EXPECT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(2U, ports_.size());
EXPECT_PRED5(CheckCandidate, candidates_[0],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[1],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr);
// RelayPort connection timeout is 3sec. TCP connection with RelayServer
// will be tried after 3 seconds.
EXPECT_EQ_WAIT(6U, candidates_.size(), 4000);
EXPECT_EQ(3U, ports_.size());
EXPECT_PRED5(CheckCandidate, candidates_[2],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[3],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[4],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "ssltcp",
kRelaySslTcpIntAddr);
EXPECT_PRED5(CheckCandidate, candidates_[5],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr);
// Stun Timeout is 9sec.
EXPECT_TRUE_WAIT(candidate_allocation_done_, 9000);
}
// Test to verify ICE restart process.
TEST_F(PortAllocatorTest, TestGetAllPortsRestarts) {
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(1));
session_->StartGettingPorts();
EXPECT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(4U, ports_.size());
EXPECT_TRUE(candidate_allocation_done_);
// TODO - Extend this to verify ICE restart.
}
TEST_F(PortAllocatorTest, TestBasicMuxFeatures) {
AddInterface(kClientAddr);
allocator().set_flags(cricket::PORTALLOCATOR_ENABLE_BUNDLE);
// Session ID - session1.
talk_base::scoped_ptr<cricket::PortAllocatorSession> session1(
CreateSession("session1", cricket::ICE_CANDIDATE_COMPONENT_RTP));
talk_base::scoped_ptr<cricket::PortAllocatorSession> session2(
CreateSession("session1", cricket::ICE_CANDIDATE_COMPONENT_RTCP));
session1->StartGettingPorts();
session2->StartGettingPorts();
// Each session should receive two proxy ports of local and stun.
ASSERT_EQ_WAIT(14U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(8U, ports_.size());
talk_base::scoped_ptr<cricket::PortAllocatorSession> session3(
CreateSession("session1", cricket::ICE_CANDIDATE_COMPONENT_RTP));
session3->StartGettingPorts();
// Already allocated candidates and ports will be sent to the newly
// allocated proxy session.
ASSERT_EQ_WAIT(21U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(12U, ports_.size());
}
// This test verifies by changing ice_ufrag and/or ice_pwd
// will result in different set of candidates when BUNDLE is enabled.
// If BUNDLE is disabled, CreateSession will always allocate new
// set of candidates.
TEST_F(PortAllocatorTest, TestBundleIceRestart) {
AddInterface(kClientAddr);
allocator().set_flags(cricket::PORTALLOCATOR_ENABLE_BUNDLE);
// Session ID - session1.
talk_base::scoped_ptr<cricket::PortAllocatorSession> session1(
CreateSession("session1", kContentName,
cricket::ICE_CANDIDATE_COMPONENT_RTP,
kIceUfrag0, kIcePwd0));
session1->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(4U, ports_.size());
// Allocate a different session with sid |session1| and different ice_ufrag.
talk_base::scoped_ptr<cricket::PortAllocatorSession> session2(
CreateSession("session1", kContentName,
cricket::ICE_CANDIDATE_COMPONENT_RTP,
"TestIceUfrag", kIcePwd0));
session2->StartGettingPorts();
ASSERT_EQ_WAIT(14U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(8U, ports_.size());
// Verifying the candidate address different from previously allocated
// address.
// Skipping verification of component id and candidate type.
EXPECT_NE(candidates_[0].address(), candidates_[7].address());
EXPECT_NE(candidates_[1].address(), candidates_[8].address());
// Allocating a different session with sid |session1| and
// different ice_pwd.
talk_base::scoped_ptr<cricket::PortAllocatorSession> session3(
CreateSession("session1", kContentName,
cricket::ICE_CANDIDATE_COMPONENT_RTP,
kIceUfrag0, "TestIcePwd"));
session3->StartGettingPorts();
ASSERT_EQ_WAIT(21U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(12U, ports_.size());
// Verifying the candidate address different from previously
// allocated address.
EXPECT_NE(candidates_[7].address(), candidates_[14].address());
EXPECT_NE(candidates_[8].address(), candidates_[15].address());
// Allocating a session with by changing both ice_ufrag and ice_pwd.
talk_base::scoped_ptr<cricket::PortAllocatorSession> session4(
CreateSession("session1", kContentName,
cricket::ICE_CANDIDATE_COMPONENT_RTP,
"TestIceUfrag", "TestIcePwd"));
session4->StartGettingPorts();
ASSERT_EQ_WAIT(28U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(16U, ports_.size());
// Verifying the candidate address different from previously
// allocated address.
EXPECT_NE(candidates_[14].address(), candidates_[21].address());
EXPECT_NE(candidates_[15].address(), candidates_[22].address());
}
// Test that when the PORTALLOCATOR_ENABLE_SHARED_UFRAG is enabled we got same
// ufrag and pwd for the collected candidates.
TEST_F(PortAllocatorTest, TestEnableSharedUfrag) {
allocator().set_flags(allocator().flags() |
cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG);
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_PRED5(CheckCandidate, candidates_[0],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[1],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[5],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr);
EXPECT_EQ(4U, ports_.size());
EXPECT_EQ(kIceUfrag0, candidates_[0].username());
EXPECT_EQ(kIceUfrag0, candidates_[1].username());
EXPECT_EQ(kIceUfrag0, candidates_[2].username());
EXPECT_EQ(kIcePwd0, candidates_[0].password());
EXPECT_EQ(kIcePwd0, candidates_[1].password());
EXPECT_TRUE(candidate_allocation_done_);
}
// Test that when the PORTALLOCATOR_ENABLE_SHARED_UFRAG isn't enabled we got
// different ufrag and pwd for the collected candidates.
TEST_F(PortAllocatorTest, TestDisableSharedUfrag) {
allocator().set_flags(allocator().flags() &
~cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG);
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_PRED5(CheckCandidate, candidates_[0],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[1],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", kClientAddr);
EXPECT_EQ(4U, ports_.size());
// Port should generate random ufrag and pwd.
EXPECT_NE(kIceUfrag0, candidates_[0].username());
EXPECT_NE(kIceUfrag0, candidates_[1].username());
EXPECT_NE(candidates_[0].username(), candidates_[1].username());
EXPECT_NE(kIcePwd0, candidates_[0].password());
EXPECT_NE(kIcePwd0, candidates_[1].password());
EXPECT_NE(candidates_[0].password(), candidates_[1].password());
EXPECT_TRUE(candidate_allocation_done_);
}
// Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled only one port
// is allocated for udp and stun. Also verify there is only one candidate
// (local) if stun candidate is same as local candidate, which will be the case
// in a public network like the below test.
TEST_F(PortAllocatorTest, TestEnableSharedSocketWithoutNat) {
AddInterface(kClientAddr);
allocator_->set_flags(allocator().flags() |
cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG |
cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(6U, candidates_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(3U, ports_.size());
EXPECT_PRED5(CheckCandidate, candidates_[0],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr);
EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout);
}
// Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled only one port
// is allocated for udp and stun. In this test we should expect both stun and
// local candidates as client behind a nat.
TEST_F(PortAllocatorTest, TestEnableSharedSocketWithNat) {
AddInterface(kClientAddr);
talk_base::scoped_ptr<talk_base::NATServer> nat_server(
CreateNatServer(kNatAddr, talk_base::NAT_OPEN_CONE));
allocator_.reset(new cricket::BasicPortAllocator(
&network_manager_, &nat_socket_factory_, kStunAddr));
allocator_->set_step_delay(cricket::kMinimumStepDelay);
allocator_->set_flags(allocator().flags() |
cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG |
cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout);
ASSERT_EQ(2U, ports_.size());
EXPECT_PRED5(CheckCandidate, candidates_[0],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr);
EXPECT_PRED5(CheckCandidate, candidates_[1],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp",
talk_base::SocketAddress(kNatAddr.ipaddr(), 0));
EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout);
EXPECT_EQ(3U, candidates_.size());
}
// This test verifies when PORTALLOCATOR_ENABLE_SHARED_SOCKET flag is enabled
// and fail to generate STUN candidate, local UDP candidate is generated
// properly.
TEST_F(PortAllocatorTest, TestEnableSharedSocketNoUdpAllowed) {
allocator().set_flags(allocator().flags() |
cricket::PORTALLOCATOR_DISABLE_RELAY |
cricket::PORTALLOCATOR_DISABLE_TCP |
cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG |
cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET);
fss_->AddRule(false, talk_base::FP_UDP, talk_base::FD_ANY, kClientAddr);
AddInterface(kClientAddr);
EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP));
session_->StartGettingPorts();
ASSERT_EQ_WAIT(1U, ports_.size(), kDefaultAllocationTimeout);
EXPECT_EQ(1U, candidates_.size());
EXPECT_PRED5(CheckCandidate, candidates_[0],
cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr);
// STUN timeout is 9sec. We need to wait to get candidate done signal.
EXPECT_TRUE_WAIT(candidate_allocation_done_, 10000);
EXPECT_EQ(1U, candidates_.size());
}
// Test that the httpportallocator correctly maintains its lists of stun and
// relay servers, by never allowing an empty list.
TEST(HttpPortAllocatorTest, TestHttpPortAllocatorHostLists) {
talk_base::FakeNetworkManager network_manager;
cricket::HttpPortAllocator alloc(&network_manager, "unit test agent");
EXPECT_EQ(1U, alloc.relay_hosts().size());
EXPECT_EQ(1U, alloc.stun_hosts().size());
std::vector<std::string> relay_servers;
std::vector<talk_base::SocketAddress> stun_servers;
alloc.SetRelayHosts(relay_servers);
alloc.SetStunHosts(stun_servers);
EXPECT_EQ(1U, alloc.relay_hosts().size());
EXPECT_EQ(1U, alloc.stun_hosts().size());
relay_servers.push_back("1.unittest.corp.google.com");
relay_servers.push_back("2.unittest.corp.google.com");
stun_servers.push_back(
talk_base::SocketAddress("1.unittest.corp.google.com", 0));
stun_servers.push_back(
talk_base::SocketAddress("2.unittest.corp.google.com", 0));
alloc.SetRelayHosts(relay_servers);
alloc.SetStunHosts(stun_servers);
EXPECT_EQ(2U, alloc.relay_hosts().size());
EXPECT_EQ(2U, alloc.stun_hosts().size());
}
// Test that the HttpPortAllocator uses correct URL to create sessions.
TEST(HttpPortAllocatorTest, TestSessionRequestUrl) {
talk_base::FakeNetworkManager network_manager;
cricket::HttpPortAllocator alloc(&network_manager, "unit test agent");
// Disable PORTALLOCATOR_ENABLE_SHARED_UFRAG.
alloc.set_flags(alloc.flags() & ~cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG);
talk_base::scoped_ptr<cricket::HttpPortAllocatorSessionBase> session(
static_cast<cricket::HttpPortAllocatorSession*>(
alloc.CreateSessionInternal(
"test content", 0, kIceUfrag0, kIcePwd0)));
std::string url = session->GetSessionRequestUrl();
LOG(LS_INFO) << "url: " << url;
EXPECT_EQ(std::string(cricket::HttpPortAllocator::kCreateSessionURL), url);
// Enable PORTALLOCATOR_ENABLE_SHARED_UFRAG.
alloc.set_flags(alloc.flags() | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG);
session.reset(static_cast<cricket::HttpPortAllocatorSession*>(
alloc.CreateSessionInternal("test content", 0, kIceUfrag0, kIcePwd0)));
url = session->GetSessionRequestUrl();
LOG(LS_INFO) << "url: " << url;
std::vector<std::string> parts;
talk_base::split(url, '?', &parts);
ASSERT_EQ(2U, parts.size());
std::vector<std::string> args_parts;
talk_base::split(parts[1], '&', &args_parts);
std::map<std::string, std::string> args;
for (std::vector<std::string>::iterator it = args_parts.begin();
it != args_parts.end(); ++it) {
std::vector<std::string> parts;
talk_base::split(*it, '=', &parts);
ASSERT_EQ(2U, parts.size());
args[talk_base::s_url_decode(parts[0])] = talk_base::s_url_decode(parts[1]);
}
EXPECT_EQ(kIceUfrag0, args["username"]);
EXPECT_EQ(kIcePwd0, args["password"]);
}
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