diff options
Diffstat (limited to 'dom/media/webrtc/transport/test/multi_tcp_socket_unittest.cpp')
| -rw-r--r-- | dom/media/webrtc/transport/test/multi_tcp_socket_unittest.cpp | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/dom/media/webrtc/transport/test/multi_tcp_socket_unittest.cpp b/dom/media/webrtc/transport/test/multi_tcp_socket_unittest.cpp new file mode 100644 index 0000000000..d0c3ae6e53 --- /dev/null +++ b/dom/media/webrtc/transport/test/multi_tcp_socket_unittest.cpp @@ -0,0 +1,501 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include <iostream> +#include <vector> + +#include "mozilla/Atomics.h" +#include "runnable_utils.h" +#include "pk11pub.h" + +extern "C" { +#include "nr_api.h" +#include "nr_socket.h" +#include "transport_addr.h" +#include "nr_socket_multi_tcp.h" +} + +#include "stunserver.h" + +#include "nricectx.h" + +#define GTEST_HAS_RTTI 0 +#include "gtest/gtest.h" +#include "gtest_utils.h" + +using namespace mozilla; + +namespace { + +class MultiTcpSocketTest : public MtransportTest { + public: + MultiTcpSocketTest() + : MtransportTest(), socks(3, nullptr), readable(false), ice_ctx_() {} + + void SetUp() { + MtransportTest::SetUp(); + + NrIceCtx::InitializeGlobals(NrIceCtx::GlobalConfig()); + ice_ctx_ = NrIceCtx::Create("stun"); + + test_utils_->SyncDispatchToSTS( + WrapRunnableNM(&TestStunTcpServer::GetInstance, AF_INET)); + test_utils_->SyncDispatchToSTS( + WrapRunnableNM(&TestStunTcpServer::GetInstance, AF_INET6)); + } + + void TearDown() { + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::Shutdown_s)); + + MtransportTest::TearDown(); + } + + DISALLOW_COPY_ASSIGN(MultiTcpSocketTest); + + static void SockReadable(NR_SOCKET s, int how, void* arg) { + MultiTcpSocketTest* obj = static_cast<MultiTcpSocketTest*>(arg); + obj->SetReadable(true); + } + + void Shutdown_s() { + ice_ctx_ = nullptr; + for (auto& sock : socks) { + nr_socket_destroy(&sock); + } + } + + static uint16_t GetRandomPort() { + uint16_t result; + if (PK11_GenerateRandom((unsigned char*)&result, 2) != SECSuccess) { + MOZ_ASSERT(false); + return 0; + } + return result; + } + + static uint16_t EnsureEphemeral(uint16_t port) { + // IANA ephemeral port range (49152 to 65535) + return port | 49152; + } + + void Create_s(nr_socket_tcp_type tcp_type, std::string stun_server_addr, + uint16_t stun_server_port, nr_socket** sock) { + nr_transport_addr local; + // Get start of port range for test + static unsigned short port_s = GetRandomPort(); + int r; + + if (!stun_server_addr.empty()) { + std::vector<NrIceStunServer> stun_servers; + UniquePtr<NrIceStunServer> server(NrIceStunServer::Create( + stun_server_addr, stun_server_port, kNrIceTransportTcp)); + stun_servers.push_back(*server); + + ASSERT_TRUE(NS_SUCCEEDED(ice_ctx_->SetStunServers(stun_servers))); + } + + r = 1; + for (int tries = 10; tries && r; --tries) { + r = nr_str_port_to_transport_addr( + (char*)"127.0.0.1", EnsureEphemeral(port_s++), IPPROTO_TCP, &local); + ASSERT_EQ(0, r); + + r = nr_socket_multi_tcp_create(ice_ctx_->ctx(), nullptr, &local, tcp_type, + 1, 2048, sock); + } + + ASSERT_EQ(0, r); + printf("Creating socket on %s\n", local.as_string); + r = nr_socket_multi_tcp_set_readable_cb( + *sock, &MultiTcpSocketTest::SockReadable, this); + ASSERT_EQ(0, r); + } + + nr_socket* Create(nr_socket_tcp_type tcp_type, + std::string stun_server_addr = "", + uint16_t stun_server_port = 0) { + nr_socket* sock = nullptr; + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::Create_s, tcp_type, + stun_server_addr, stun_server_port, &sock)); + return sock; + } + + void Listen_s(nr_socket* sock) { + nr_transport_addr addr; + int r = nr_socket_getaddr(sock, &addr); + ASSERT_EQ(0, r); + printf("Listening on %s\n", addr.as_string); + r = nr_socket_listen(sock, 5); + ASSERT_EQ(0, r); + } + + void Listen(nr_socket* sock) { + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::Listen_s, sock)); + } + + void Destroy_s(nr_socket* sock) { + int r = nr_socket_destroy(&sock); + ASSERT_EQ(0, r); + } + + void Destroy(nr_socket* sock) { + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::Destroy_s, sock)); + } + + void Connect_s(nr_socket* from, nr_socket* to) { + nr_transport_addr addr_to; + nr_transport_addr addr_from; + int r = nr_socket_getaddr(to, &addr_to); + ASSERT_EQ(0, r); + r = nr_socket_getaddr(from, &addr_from); + ASSERT_EQ(0, r); + printf("Connecting from %s to %s\n", addr_from.as_string, + addr_to.as_string); + r = nr_socket_connect(from, &addr_to); + ASSERT_EQ(0, r); + } + + void Connect(nr_socket* from, nr_socket* to) { + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::Connect_s, from, to)); + } + + void ConnectSo_s(nr_socket* so1, nr_socket* so2) { + nr_transport_addr addr_so1; + nr_transport_addr addr_so2; + int r = nr_socket_getaddr(so1, &addr_so1); + ASSERT_EQ(0, r); + r = nr_socket_getaddr(so2, &addr_so2); + ASSERT_EQ(0, r); + printf("Connecting SO %s <-> %s\n", addr_so1.as_string, addr_so2.as_string); + r = nr_socket_connect(so1, &addr_so2); + ASSERT_EQ(0, r); + r = nr_socket_connect(so2, &addr_so1); + ASSERT_EQ(0, r); + } + + void ConnectSo(nr_socket* from, nr_socket* to) { + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::ConnectSo_s, from, to)); + } + + void SendDataToAddress_s(nr_socket* from, nr_transport_addr* to, + const char* data, size_t len) { + nr_transport_addr addr_from; + + int r = nr_socket_getaddr(from, &addr_from); + ASSERT_EQ(0, r); + printf("Sending %lu bytes %s -> %s\n", (unsigned long)len, + addr_from.as_string, to->as_string); + r = nr_socket_sendto(from, data, len, 0, to); + ASSERT_EQ(0, r); + } + + void SendData(nr_socket* from, nr_transport_addr* to, const char* data, + size_t len) { + test_utils_->SyncDispatchToSTS(WrapRunnable( + this, &MultiTcpSocketTest::SendDataToAddress_s, from, to, data, len)); + } + + void SendDataToSocket_s(nr_socket* from, nr_socket* to, const char* data, + size_t len) { + nr_transport_addr addr_to; + + int r = nr_socket_getaddr(to, &addr_to); + ASSERT_EQ(0, r); + SendDataToAddress_s(from, &addr_to, data, len); + } + + void SendData(nr_socket* from, nr_socket* to, const char* data, size_t len) { + test_utils_->SyncDispatchToSTS(WrapRunnable( + this, &MultiTcpSocketTest::SendDataToSocket_s, from, to, data, len)); + } + + void RecvDataFromAddress_s(nr_transport_addr* expected_from, + nr_socket* sent_to, const char* expected_data, + size_t expected_len) { + SetReadable(false); + size_t buflen = expected_len ? expected_len + 1 : 100; + char received_data[buflen]; + nr_transport_addr addr_to; + nr_transport_addr retaddr; + size_t retlen; + + int r = nr_socket_getaddr(sent_to, &addr_to); + ASSERT_EQ(0, r); + printf("Receiving %lu bytes %s <- %s\n", (unsigned long)expected_len, + addr_to.as_string, expected_from->as_string); + r = nr_socket_recvfrom(sent_to, received_data, buflen, &retlen, 0, + &retaddr); + ASSERT_EQ(0, r); + r = nr_transport_addr_cmp(&retaddr, expected_from, + NR_TRANSPORT_ADDR_CMP_MODE_ALL); + ASSERT_EQ(0, r); + // expected_len == 0 means we just expected some data + if (expected_len == 0) { + ASSERT_GT(retlen, 0U); + } else { + ASSERT_EQ(expected_len, retlen); + r = memcmp(expected_data, received_data, retlen); + ASSERT_EQ(0, r); + } + } + + void RecvData(nr_transport_addr* expected_from, nr_socket* sent_to, + const char* expected_data = nullptr, size_t expected_len = 0) { + ASSERT_TRUE_WAIT(IsReadable(), 1000); + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::RecvDataFromAddress_s, + expected_from, sent_to, expected_data, expected_len)); + } + + void RecvDataFromSocket_s(nr_socket* expected_from, nr_socket* sent_to, + const char* expected_data, size_t expected_len) { + nr_transport_addr addr_from; + + int r = nr_socket_getaddr(expected_from, &addr_from); + ASSERT_EQ(0, r); + + RecvDataFromAddress_s(&addr_from, sent_to, expected_data, expected_len); + } + + void RecvData(nr_socket* expected_from, nr_socket* sent_to, + const char* expected_data, size_t expected_len) { + ASSERT_TRUE_WAIT(IsReadable(), 1000); + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::RecvDataFromSocket_s, + expected_from, sent_to, expected_data, expected_len)); + } + + void RecvDataFailed_s(nr_socket* sent_to, size_t expected_len, + int expected_err) { + SetReadable(false); + char received_data[expected_len + 1]; + nr_transport_addr addr_to; + nr_transport_addr retaddr; + size_t retlen; + + int r = nr_socket_getaddr(sent_to, &addr_to); + ASSERT_EQ(0, r); + r = nr_socket_recvfrom(sent_to, received_data, expected_len + 1, &retlen, 0, + &retaddr); + ASSERT_EQ(expected_err, r) << "Expecting receive failure " << expected_err + << " on " << addr_to.as_string; + } + + void RecvDataFailed(nr_socket* sent_to, size_t expected_len, + int expected_err) { + ASSERT_TRUE_WAIT(IsReadable(), 1000); + test_utils_->SyncDispatchToSTS( + WrapRunnable(this, &MultiTcpSocketTest::RecvDataFailed_s, sent_to, + expected_len, expected_err)); + } + + void TransferData(nr_socket* from, nr_socket* to, const char* data, + size_t len) { + SendData(from, to, data, len); + RecvData(from, to, data, len); + } + + protected: + bool IsReadable() const { return readable; } + void SetReadable(bool r) { readable = r; } + std::vector<nr_socket*> socks; + Atomic<bool> readable; + RefPtr<NrIceCtx> ice_ctx_; +}; +} // namespace + +TEST_F(MultiTcpSocketTest, TestListen) { + socks[0] = Create(TCP_TYPE_PASSIVE); + Listen(socks[0]); +} + +TEST_F(MultiTcpSocketTest, TestConnect) { + socks[0] = Create(TCP_TYPE_PASSIVE); + socks[1] = Create(TCP_TYPE_ACTIVE); + socks[2] = Create(TCP_TYPE_ACTIVE); + Listen(socks[0]); + Connect(socks[1], socks[0]); + Connect(socks[2], socks[0]); +} + +TEST_F(MultiTcpSocketTest, TestTransmit) { + const char data[] = "TestTransmit"; + socks[0] = Create(TCP_TYPE_ACTIVE); + socks[1] = Create(TCP_TYPE_PASSIVE); + Listen(socks[1]); + Connect(socks[0], socks[1]); + + TransferData(socks[0], socks[1], data, sizeof(data)); + TransferData(socks[1], socks[0], data, sizeof(data)); +} + +TEST_F(MultiTcpSocketTest, TestClosePassive) { + const char data[] = "TestClosePassive"; + socks[0] = Create(TCP_TYPE_ACTIVE); + socks[1] = Create(TCP_TYPE_PASSIVE); + Listen(socks[1]); + Connect(socks[0], socks[1]); + + TransferData(socks[0], socks[1], data, sizeof(data)); + TransferData(socks[1], socks[0], data, sizeof(data)); + + /* We have to destroy as only that calls PR_Close() */ + std::cerr << "Destructing socket" << std::endl; + Destroy(socks[1]); + + RecvDataFailed(socks[0], sizeof(data), R_EOD); + + socks[1] = nullptr; +} + +TEST_F(MultiTcpSocketTest, TestCloseActive) { + const char data[] = "TestCloseActive"; + socks[0] = Create(TCP_TYPE_ACTIVE); + socks[1] = Create(TCP_TYPE_PASSIVE); + Listen(socks[1]); + Connect(socks[0], socks[1]); + + TransferData(socks[0], socks[1], data, sizeof(data)); + TransferData(socks[1], socks[0], data, sizeof(data)); + + /* We have to destroy as only that calls PR_Close() */ + std::cerr << "Destructing socket" << std::endl; + Destroy(socks[0]); + + RecvDataFailed(socks[1], sizeof(data), R_EOD); + + socks[0] = nullptr; +} + +TEST_F(MultiTcpSocketTest, TestTwoSendsBeforeReceives) { + const char data1[] = "TestTwoSendsBeforeReceives"; + const char data2[] = "2nd data"; + socks[0] = Create(TCP_TYPE_ACTIVE); + socks[1] = Create(TCP_TYPE_PASSIVE); + Listen(socks[1]); + Connect(socks[0], socks[1]); + + SendData(socks[0], socks[1], data1, sizeof(data1)); + SendData(socks[0], socks[1], data2, sizeof(data2)); + RecvData(socks[0], socks[1], data1, sizeof(data1)); + /* ICE TCP framing turns TCP effectively into datagram mode */ + RecvData(socks[0], socks[1], data2, sizeof(data2)); +} + +TEST_F(MultiTcpSocketTest, TestTwoActiveBidirectionalTransmit) { + const char data1[] = "TestTwoActiveBidirectionalTransmit"; + const char data2[] = "ReplyToTheFirstSocket"; + const char data3[] = "TestMessageFromTheSecondSocket"; + const char data4[] = "ThisIsAReplyToTheSecondSocket"; + socks[0] = Create(TCP_TYPE_PASSIVE); + socks[1] = Create(TCP_TYPE_ACTIVE); + socks[2] = Create(TCP_TYPE_ACTIVE); + Listen(socks[0]); + Connect(socks[1], socks[0]); + Connect(socks[2], socks[0]); + + TransferData(socks[1], socks[0], data1, sizeof(data1)); + TransferData(socks[0], socks[1], data2, sizeof(data2)); + TransferData(socks[2], socks[0], data3, sizeof(data3)); + TransferData(socks[0], socks[2], data4, sizeof(data4)); +} + +TEST_F(MultiTcpSocketTest, TestTwoPassiveBidirectionalTransmit) { + const char data1[] = "TestTwoPassiveBidirectionalTransmit"; + const char data2[] = "FirstReply"; + const char data3[] = "TestTwoPassiveBidirectionalTransmitToTheSecondSock"; + const char data4[] = "SecondReply"; + socks[0] = Create(TCP_TYPE_PASSIVE); + socks[1] = Create(TCP_TYPE_PASSIVE); + socks[2] = Create(TCP_TYPE_ACTIVE); + Listen(socks[0]); + Listen(socks[1]); + Connect(socks[2], socks[0]); + Connect(socks[2], socks[1]); + + TransferData(socks[2], socks[0], data1, sizeof(data1)); + TransferData(socks[0], socks[2], data2, sizeof(data2)); + TransferData(socks[2], socks[1], data3, sizeof(data3)); + TransferData(socks[1], socks[2], data4, sizeof(data4)); +} + +TEST_F(MultiTcpSocketTest, TestActivePassiveWithStunServerMockup) { + /* Fake STUN message able to pass the nr_is_stun_msg check + used in nr_socket_buffered_stun */ + const char stunMessage[] = {'\x00', '\x01', '\x00', '\x04', '\x21', '\x12', + '\xa4', '\x42', '\x00', '\x00', '\x00', '\x00', + '\x00', '\x00', '\x0c', '\x00', '\x00', '\x00', + '\x00', '\x00', '\x1c', '\xed', '\xca', '\xfe'}; + const char data[] = "TestActivePassiveWithStunServerMockup"; + + nr_transport_addr stun_srv_addr; + std::string stun_addr; + uint16_t stun_port; + stun_addr = TestStunTcpServer::GetInstance(AF_INET)->addr(); + stun_port = TestStunTcpServer::GetInstance(AF_INET)->port(); + int r = nr_str_port_to_transport_addr(stun_addr.c_str(), stun_port, + IPPROTO_TCP, &stun_srv_addr); + ASSERT_EQ(0, r); + + socks[0] = Create(TCP_TYPE_PASSIVE, stun_addr, stun_port); + Listen(socks[0]); + socks[1] = Create(TCP_TYPE_ACTIVE, stun_addr, stun_port); + + /* Send a fake STUN request and expect a STUN error response */ + SendData(socks[0], &stun_srv_addr, stunMessage, sizeof(stunMessage)); + RecvData(&stun_srv_addr, socks[0]); + + Connect(socks[1], socks[0]); + TransferData(socks[1], socks[0], data, sizeof(data)); + TransferData(socks[0], socks[1], data, sizeof(data)); +} + +TEST_F(MultiTcpSocketTest, TestConnectTwoSo) { + socks[0] = Create(TCP_TYPE_SO); + socks[1] = Create(TCP_TYPE_SO); + ConnectSo(socks[0], socks[1]); +} + +// test works on localhost only with delay applied: +// tc qdisc add dev lo root netem delay 5ms +TEST_F(MultiTcpSocketTest, DISABLED_TestTwoSoBidirectionalTransmit) { + const char data[] = "TestTwoSoBidirectionalTransmit"; + socks[0] = Create(TCP_TYPE_SO); + socks[1] = Create(TCP_TYPE_SO); + ConnectSo(socks[0], socks[1]); + TransferData(socks[0], socks[1], data, sizeof(data)); + TransferData(socks[1], socks[0], data, sizeof(data)); +} + +TEST_F(MultiTcpSocketTest, TestBigData) { + char buf1[2048]; + char buf2[1024]; + + for (unsigned i = 0; i < sizeof(buf1); ++i) { + buf1[i] = i & 0xff; + } + for (unsigned i = 0; i < sizeof(buf2); ++i) { + buf2[i] = (i + 0x80) & 0xff; + } + socks[0] = Create(TCP_TYPE_ACTIVE); + socks[1] = Create(TCP_TYPE_PASSIVE); + Listen(socks[1]); + Connect(socks[0], socks[1]); + + TransferData(socks[0], socks[1], buf1, sizeof(buf1)); + TransferData(socks[0], socks[1], buf2, sizeof(buf2)); + // opposite dir + SendData(socks[1], socks[0], buf2, sizeof(buf2)); + SendData(socks[1], socks[0], buf1, sizeof(buf1)); + RecvData(socks[1], socks[0], buf2, sizeof(buf2)); + RecvData(socks[1], socks[0], buf1, sizeof(buf1)); +} |