henrike@webrtc.org | f7795df | 2014-05-13 18:00:26 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2006 The WebRTC Project Authors. All rights reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #include <math.h> |
| 12 | #include <time.h> |
| 13 | #if defined(WEBRTC_POSIX) |
| 14 | #include <netinet/in.h> |
| 15 | #endif |
| 16 | |
| 17 | #include "webrtc/base/logging.h" |
| 18 | #include "webrtc/base/gunit.h" |
| 19 | #include "webrtc/base/testclient.h" |
| 20 | #include "webrtc/base/testutils.h" |
| 21 | #include "webrtc/base/thread.h" |
| 22 | #include "webrtc/base/timeutils.h" |
| 23 | #include "webrtc/base/virtualsocketserver.h" |
| 24 | |
| 25 | using namespace rtc; |
| 26 | |
| 27 | // Sends at a constant rate but with random packet sizes. |
| 28 | struct Sender : public MessageHandler { |
| 29 | Sender(Thread* th, AsyncSocket* s, uint32 rt) |
| 30 | : thread(th), socket(new AsyncUDPSocket(s)), |
| 31 | done(false), rate(rt), count(0) { |
| 32 | last_send = rtc::Time(); |
| 33 | thread->PostDelayed(NextDelay(), this, 1); |
| 34 | } |
| 35 | |
| 36 | uint32 NextDelay() { |
| 37 | uint32 size = (rand() % 4096) + 1; |
| 38 | return 1000 * size / rate; |
| 39 | } |
| 40 | |
| 41 | void OnMessage(Message* pmsg) { |
| 42 | ASSERT_EQ(1u, pmsg->message_id); |
| 43 | |
| 44 | if (done) |
| 45 | return; |
| 46 | |
| 47 | uint32 cur_time = rtc::Time(); |
| 48 | uint32 delay = cur_time - last_send; |
| 49 | uint32 size = rate * delay / 1000; |
| 50 | size = std::min<uint32>(size, 4096); |
| 51 | size = std::max<uint32>(size, sizeof(uint32)); |
| 52 | |
| 53 | count += size; |
| 54 | memcpy(dummy, &cur_time, sizeof(cur_time)); |
| 55 | socket->Send(dummy, size, options); |
| 56 | |
| 57 | last_send = cur_time; |
| 58 | thread->PostDelayed(NextDelay(), this, 1); |
| 59 | } |
| 60 | |
| 61 | Thread* thread; |
| 62 | scoped_ptr<AsyncUDPSocket> socket; |
| 63 | rtc::PacketOptions options; |
| 64 | bool done; |
| 65 | uint32 rate; // bytes per second |
| 66 | uint32 count; |
| 67 | uint32 last_send; |
| 68 | char dummy[4096]; |
| 69 | }; |
| 70 | |
| 71 | struct Receiver : public MessageHandler, public sigslot::has_slots<> { |
| 72 | Receiver(Thread* th, AsyncSocket* s, uint32 bw) |
| 73 | : thread(th), socket(new AsyncUDPSocket(s)), bandwidth(bw), done(false), |
| 74 | count(0), sec_count(0), sum(0), sum_sq(0), samples(0) { |
| 75 | socket->SignalReadPacket.connect(this, &Receiver::OnReadPacket); |
| 76 | thread->PostDelayed(1000, this, 1); |
| 77 | } |
| 78 | |
| 79 | ~Receiver() { |
| 80 | thread->Clear(this); |
| 81 | } |
| 82 | |
| 83 | void OnReadPacket(AsyncPacketSocket* s, const char* data, size_t size, |
| 84 | const SocketAddress& remote_addr, |
| 85 | const PacketTime& packet_time) { |
| 86 | ASSERT_EQ(socket.get(), s); |
| 87 | ASSERT_GE(size, 4U); |
| 88 | |
| 89 | count += size; |
| 90 | sec_count += size; |
| 91 | |
| 92 | uint32 send_time = *reinterpret_cast<const uint32*>(data); |
| 93 | uint32 recv_time = rtc::Time(); |
| 94 | uint32 delay = recv_time - send_time; |
| 95 | sum += delay; |
| 96 | sum_sq += delay * delay; |
| 97 | samples += 1; |
| 98 | } |
| 99 | |
| 100 | void OnMessage(Message* pmsg) { |
| 101 | ASSERT_EQ(1u, pmsg->message_id); |
| 102 | |
| 103 | if (done) |
| 104 | return; |
| 105 | |
| 106 | // It is always possible for us to receive more than expected because |
| 107 | // packets can be further delayed in delivery. |
| 108 | if (bandwidth > 0) |
| 109 | ASSERT_TRUE(sec_count <= 5 * bandwidth / 4); |
| 110 | sec_count = 0; |
| 111 | thread->PostDelayed(1000, this, 1); |
| 112 | } |
| 113 | |
| 114 | Thread* thread; |
| 115 | scoped_ptr<AsyncUDPSocket> socket; |
| 116 | uint32 bandwidth; |
| 117 | bool done; |
| 118 | size_t count; |
| 119 | size_t sec_count; |
| 120 | double sum; |
| 121 | double sum_sq; |
| 122 | uint32 samples; |
| 123 | }; |
| 124 | |
| 125 | class VirtualSocketServerTest : public testing::Test { |
| 126 | public: |
| 127 | VirtualSocketServerTest() : ss_(new VirtualSocketServer(NULL)), |
| 128 | kIPv4AnyAddress(IPAddress(INADDR_ANY), 0), |
| 129 | kIPv6AnyAddress(IPAddress(in6addr_any), 0) { |
| 130 | } |
| 131 | |
| 132 | void CheckAddressIncrementalization(const SocketAddress& post, |
| 133 | const SocketAddress& pre) { |
| 134 | EXPECT_EQ(post.port(), pre.port() + 1); |
| 135 | IPAddress post_ip = post.ipaddr(); |
| 136 | IPAddress pre_ip = pre.ipaddr(); |
| 137 | EXPECT_EQ(pre_ip.family(), post_ip.family()); |
| 138 | if (post_ip.family() == AF_INET) { |
| 139 | in_addr pre_ipv4 = pre_ip.ipv4_address(); |
| 140 | in_addr post_ipv4 = post_ip.ipv4_address(); |
| 141 | int difference = ntohl(post_ipv4.s_addr) - ntohl(pre_ipv4.s_addr); |
| 142 | EXPECT_EQ(1, difference); |
| 143 | } else if (post_ip.family() == AF_INET6) { |
| 144 | in6_addr post_ip6 = post_ip.ipv6_address(); |
| 145 | in6_addr pre_ip6 = pre_ip.ipv6_address(); |
| 146 | uint32* post_as_ints = reinterpret_cast<uint32*>(&post_ip6.s6_addr); |
| 147 | uint32* pre_as_ints = reinterpret_cast<uint32*>(&pre_ip6.s6_addr); |
| 148 | EXPECT_EQ(post_as_ints[3], pre_as_ints[3] + 1); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | void BasicTest(const SocketAddress& initial_addr) { |
| 153 | AsyncSocket* socket = ss_->CreateAsyncSocket(initial_addr.family(), |
| 154 | SOCK_DGRAM); |
| 155 | socket->Bind(initial_addr); |
| 156 | SocketAddress server_addr = socket->GetLocalAddress(); |
| 157 | // Make sure VSS didn't switch families on us. |
| 158 | EXPECT_EQ(server_addr.family(), initial_addr.family()); |
| 159 | |
| 160 | TestClient* client1 = new TestClient(new AsyncUDPSocket(socket)); |
| 161 | AsyncSocket* socket2 = |
| 162 | ss_->CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); |
| 163 | TestClient* client2 = new TestClient(new AsyncUDPSocket(socket2)); |
| 164 | |
| 165 | SocketAddress client2_addr; |
| 166 | EXPECT_EQ(3, client2->SendTo("foo", 3, server_addr)); |
| 167 | EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &client2_addr)); |
| 168 | |
| 169 | SocketAddress client1_addr; |
| 170 | EXPECT_EQ(6, client1->SendTo("bizbaz", 6, client2_addr)); |
| 171 | EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &client1_addr)); |
| 172 | EXPECT_EQ(client1_addr, server_addr); |
| 173 | |
| 174 | SocketAddress empty = EmptySocketAddressWithFamily(initial_addr.family()); |
| 175 | for (int i = 0; i < 10; i++) { |
| 176 | client2 = new TestClient(AsyncUDPSocket::Create(ss_, empty)); |
| 177 | |
| 178 | SocketAddress next_client2_addr; |
| 179 | EXPECT_EQ(3, client2->SendTo("foo", 3, server_addr)); |
| 180 | EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &next_client2_addr)); |
| 181 | CheckAddressIncrementalization(next_client2_addr, client2_addr); |
| 182 | // EXPECT_EQ(next_client2_addr.port(), client2_addr.port() + 1); |
| 183 | |
| 184 | SocketAddress server_addr2; |
| 185 | EXPECT_EQ(6, client1->SendTo("bizbaz", 6, next_client2_addr)); |
| 186 | EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &server_addr2)); |
| 187 | EXPECT_EQ(server_addr2, server_addr); |
| 188 | |
| 189 | client2_addr = next_client2_addr; |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | // initial_addr should be made from either INADDR_ANY or in6addr_any. |
| 194 | void ConnectTest(const SocketAddress& initial_addr) { |
| 195 | testing::StreamSink sink; |
| 196 | SocketAddress accept_addr; |
| 197 | const SocketAddress kEmptyAddr = |
| 198 | EmptySocketAddressWithFamily(initial_addr.family()); |
| 199 | |
| 200 | // Create client |
| 201 | AsyncSocket* client = ss_->CreateAsyncSocket(initial_addr.family(), |
| 202 | SOCK_STREAM); |
| 203 | sink.Monitor(client); |
| 204 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); |
| 205 | EXPECT_TRUE(client->GetLocalAddress().IsNil()); |
| 206 | |
| 207 | // Create server |
| 208 | AsyncSocket* server = ss_->CreateAsyncSocket(initial_addr.family(), |
| 209 | SOCK_STREAM); |
| 210 | sink.Monitor(server); |
| 211 | EXPECT_NE(0, server->Listen(5)); // Bind required |
| 212 | EXPECT_EQ(0, server->Bind(initial_addr)); |
| 213 | EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); |
| 214 | EXPECT_EQ(0, server->Listen(5)); |
| 215 | EXPECT_EQ(server->GetState(), AsyncSocket::CS_CONNECTING); |
| 216 | |
| 217 | // No pending server connections |
| 218 | EXPECT_FALSE(sink.Check(server, testing::SSE_READ)); |
| 219 | EXPECT_TRUE(NULL == server->Accept(&accept_addr)); |
| 220 | EXPECT_EQ(AF_UNSPEC, accept_addr.family()); |
| 221 | |
| 222 | // Attempt connect to listening socket |
| 223 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 224 | EXPECT_NE(client->GetLocalAddress(), kEmptyAddr); // Implicit Bind |
| 225 | EXPECT_NE(AF_UNSPEC, client->GetLocalAddress().family()); // Implicit Bind |
| 226 | EXPECT_NE(client->GetLocalAddress(), server->GetLocalAddress()); |
| 227 | |
| 228 | // Client is connecting |
| 229 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CONNECTING); |
| 230 | EXPECT_FALSE(sink.Check(client, testing::SSE_OPEN)); |
| 231 | EXPECT_FALSE(sink.Check(client, testing::SSE_CLOSE)); |
| 232 | |
| 233 | ss_->ProcessMessagesUntilIdle(); |
| 234 | |
| 235 | // Client still connecting |
| 236 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CONNECTING); |
| 237 | EXPECT_FALSE(sink.Check(client, testing::SSE_OPEN)); |
| 238 | EXPECT_FALSE(sink.Check(client, testing::SSE_CLOSE)); |
| 239 | |
| 240 | // Server has pending connection |
| 241 | EXPECT_TRUE(sink.Check(server, testing::SSE_READ)); |
| 242 | Socket* accepted = server->Accept(&accept_addr); |
| 243 | EXPECT_TRUE(NULL != accepted); |
| 244 | EXPECT_NE(accept_addr, kEmptyAddr); |
| 245 | EXPECT_EQ(accepted->GetRemoteAddress(), accept_addr); |
| 246 | |
| 247 | EXPECT_EQ(accepted->GetState(), AsyncSocket::CS_CONNECTED); |
| 248 | EXPECT_EQ(accepted->GetLocalAddress(), server->GetLocalAddress()); |
| 249 | EXPECT_EQ(accepted->GetRemoteAddress(), client->GetLocalAddress()); |
| 250 | |
| 251 | ss_->ProcessMessagesUntilIdle(); |
| 252 | |
| 253 | // Client has connected |
| 254 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CONNECTED); |
| 255 | EXPECT_TRUE(sink.Check(client, testing::SSE_OPEN)); |
| 256 | EXPECT_FALSE(sink.Check(client, testing::SSE_CLOSE)); |
| 257 | EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); |
| 258 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 259 | } |
| 260 | |
| 261 | void ConnectToNonListenerTest(const SocketAddress& initial_addr) { |
| 262 | testing::StreamSink sink; |
| 263 | SocketAddress accept_addr; |
| 264 | const SocketAddress nil_addr; |
| 265 | const SocketAddress empty_addr = |
| 266 | EmptySocketAddressWithFamily(initial_addr.family()); |
| 267 | |
| 268 | // Create client |
| 269 | AsyncSocket* client = ss_->CreateAsyncSocket(initial_addr.family(), |
| 270 | SOCK_STREAM); |
| 271 | sink.Monitor(client); |
| 272 | |
| 273 | // Create server |
| 274 | AsyncSocket* server = ss_->CreateAsyncSocket(initial_addr.family(), |
| 275 | SOCK_STREAM); |
| 276 | sink.Monitor(server); |
| 277 | EXPECT_EQ(0, server->Bind(initial_addr)); |
| 278 | EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); |
| 279 | // Attempt connect to non-listening socket |
| 280 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 281 | |
| 282 | ss_->ProcessMessagesUntilIdle(); |
| 283 | |
| 284 | // No pending server connections |
| 285 | EXPECT_FALSE(sink.Check(server, testing::SSE_READ)); |
| 286 | EXPECT_TRUE(NULL == server->Accept(&accept_addr)); |
| 287 | EXPECT_EQ(accept_addr, nil_addr); |
| 288 | |
| 289 | // Connection failed |
| 290 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); |
| 291 | EXPECT_FALSE(sink.Check(client, testing::SSE_OPEN)); |
| 292 | EXPECT_TRUE(sink.Check(client, testing::SSE_ERROR)); |
| 293 | EXPECT_EQ(client->GetRemoteAddress(), nil_addr); |
| 294 | } |
| 295 | |
| 296 | void CloseDuringConnectTest(const SocketAddress& initial_addr) { |
| 297 | testing::StreamSink sink; |
| 298 | SocketAddress accept_addr; |
| 299 | const SocketAddress empty_addr = |
| 300 | EmptySocketAddressWithFamily(initial_addr.family()); |
| 301 | |
| 302 | // Create client and server |
| 303 | scoped_ptr<AsyncSocket> client(ss_->CreateAsyncSocket(initial_addr.family(), |
| 304 | SOCK_STREAM)); |
| 305 | sink.Monitor(client.get()); |
| 306 | scoped_ptr<AsyncSocket> server(ss_->CreateAsyncSocket(initial_addr.family(), |
| 307 | SOCK_STREAM)); |
| 308 | sink.Monitor(server.get()); |
| 309 | |
| 310 | // Initiate connect |
| 311 | EXPECT_EQ(0, server->Bind(initial_addr)); |
| 312 | EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); |
| 313 | |
| 314 | EXPECT_EQ(0, server->Listen(5)); |
| 315 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 316 | |
| 317 | // Server close before socket enters accept queue |
| 318 | EXPECT_FALSE(sink.Check(server.get(), testing::SSE_READ)); |
| 319 | server->Close(); |
| 320 | |
| 321 | ss_->ProcessMessagesUntilIdle(); |
| 322 | |
| 323 | // Result: connection failed |
| 324 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); |
| 325 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_ERROR)); |
| 326 | |
| 327 | server.reset(ss_->CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); |
| 328 | sink.Monitor(server.get()); |
| 329 | |
| 330 | // Initiate connect |
| 331 | EXPECT_EQ(0, server->Bind(initial_addr)); |
| 332 | EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); |
| 333 | |
| 334 | EXPECT_EQ(0, server->Listen(5)); |
| 335 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 336 | |
| 337 | ss_->ProcessMessagesUntilIdle(); |
| 338 | |
| 339 | // Server close while socket is in accept queue |
| 340 | EXPECT_TRUE(sink.Check(server.get(), testing::SSE_READ)); |
| 341 | server->Close(); |
| 342 | |
| 343 | ss_->ProcessMessagesUntilIdle(); |
| 344 | |
| 345 | // Result: connection failed |
| 346 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); |
| 347 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_ERROR)); |
| 348 | |
| 349 | // New server |
| 350 | server.reset(ss_->CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); |
| 351 | sink.Monitor(server.get()); |
| 352 | |
| 353 | // Initiate connect |
| 354 | EXPECT_EQ(0, server->Bind(initial_addr)); |
| 355 | EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); |
| 356 | |
| 357 | EXPECT_EQ(0, server->Listen(5)); |
| 358 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 359 | |
| 360 | ss_->ProcessMessagesUntilIdle(); |
| 361 | |
| 362 | // Server accepts connection |
| 363 | EXPECT_TRUE(sink.Check(server.get(), testing::SSE_READ)); |
| 364 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 365 | ASSERT_TRUE(NULL != accepted.get()); |
| 366 | sink.Monitor(accepted.get()); |
| 367 | |
| 368 | // Client closes before connection complets |
| 369 | EXPECT_EQ(accepted->GetState(), AsyncSocket::CS_CONNECTED); |
| 370 | |
| 371 | // Connected message has not been processed yet. |
| 372 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CONNECTING); |
| 373 | client->Close(); |
| 374 | |
| 375 | ss_->ProcessMessagesUntilIdle(); |
| 376 | |
| 377 | // Result: accepted socket closes |
| 378 | EXPECT_EQ(accepted->GetState(), AsyncSocket::CS_CLOSED); |
| 379 | EXPECT_TRUE(sink.Check(accepted.get(), testing::SSE_CLOSE)); |
| 380 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 381 | } |
| 382 | |
| 383 | void CloseTest(const SocketAddress& initial_addr) { |
| 384 | testing::StreamSink sink; |
| 385 | const SocketAddress kEmptyAddr; |
| 386 | |
| 387 | // Create clients |
| 388 | AsyncSocket* a = ss_->CreateAsyncSocket(initial_addr.family(), SOCK_STREAM); |
| 389 | sink.Monitor(a); |
| 390 | a->Bind(initial_addr); |
| 391 | EXPECT_EQ(a->GetLocalAddress().family(), initial_addr.family()); |
| 392 | |
| 393 | |
| 394 | scoped_ptr<AsyncSocket> b(ss_->CreateAsyncSocket(initial_addr.family(), |
| 395 | SOCK_STREAM)); |
| 396 | sink.Monitor(b.get()); |
| 397 | b->Bind(initial_addr); |
| 398 | EXPECT_EQ(b->GetLocalAddress().family(), initial_addr.family()); |
| 399 | |
| 400 | EXPECT_EQ(0, a->Connect(b->GetLocalAddress())); |
| 401 | EXPECT_EQ(0, b->Connect(a->GetLocalAddress())); |
| 402 | |
| 403 | ss_->ProcessMessagesUntilIdle(); |
| 404 | |
| 405 | EXPECT_TRUE(sink.Check(a, testing::SSE_OPEN)); |
| 406 | EXPECT_EQ(a->GetState(), AsyncSocket::CS_CONNECTED); |
| 407 | EXPECT_EQ(a->GetRemoteAddress(), b->GetLocalAddress()); |
| 408 | |
| 409 | EXPECT_TRUE(sink.Check(b.get(), testing::SSE_OPEN)); |
| 410 | EXPECT_EQ(b->GetState(), AsyncSocket::CS_CONNECTED); |
| 411 | EXPECT_EQ(b->GetRemoteAddress(), a->GetLocalAddress()); |
| 412 | |
| 413 | EXPECT_EQ(1, a->Send("a", 1)); |
| 414 | b->Close(); |
| 415 | EXPECT_EQ(1, a->Send("b", 1)); |
| 416 | |
| 417 | ss_->ProcessMessagesUntilIdle(); |
| 418 | |
| 419 | char buffer[10]; |
| 420 | EXPECT_FALSE(sink.Check(b.get(), testing::SSE_READ)); |
| 421 | EXPECT_EQ(-1, b->Recv(buffer, 10)); |
| 422 | |
| 423 | EXPECT_TRUE(sink.Check(a, testing::SSE_CLOSE)); |
| 424 | EXPECT_EQ(a->GetState(), AsyncSocket::CS_CLOSED); |
| 425 | EXPECT_EQ(a->GetRemoteAddress(), kEmptyAddr); |
| 426 | |
| 427 | // No signal for Closer |
| 428 | EXPECT_FALSE(sink.Check(b.get(), testing::SSE_CLOSE)); |
| 429 | EXPECT_EQ(b->GetState(), AsyncSocket::CS_CLOSED); |
| 430 | EXPECT_EQ(b->GetRemoteAddress(), kEmptyAddr); |
| 431 | } |
| 432 | |
| 433 | void TcpSendTest(const SocketAddress& initial_addr) { |
| 434 | testing::StreamSink sink; |
| 435 | const SocketAddress kEmptyAddr; |
| 436 | |
| 437 | // Connect two sockets |
| 438 | AsyncSocket* a = ss_->CreateAsyncSocket(initial_addr.family(), SOCK_STREAM); |
| 439 | sink.Monitor(a); |
| 440 | a->Bind(initial_addr); |
| 441 | EXPECT_EQ(a->GetLocalAddress().family(), initial_addr.family()); |
| 442 | |
| 443 | AsyncSocket* b = ss_->CreateAsyncSocket(initial_addr.family(), SOCK_STREAM); |
| 444 | sink.Monitor(b); |
| 445 | b->Bind(initial_addr); |
| 446 | EXPECT_EQ(b->GetLocalAddress().family(), initial_addr.family()); |
| 447 | |
| 448 | EXPECT_EQ(0, a->Connect(b->GetLocalAddress())); |
| 449 | EXPECT_EQ(0, b->Connect(a->GetLocalAddress())); |
| 450 | |
| 451 | ss_->ProcessMessagesUntilIdle(); |
| 452 | |
| 453 | const size_t kBufferSize = 2000; |
| 454 | ss_->set_send_buffer_capacity(kBufferSize); |
| 455 | ss_->set_recv_buffer_capacity(kBufferSize); |
| 456 | |
| 457 | const size_t kDataSize = 5000; |
| 458 | char send_buffer[kDataSize], recv_buffer[kDataSize]; |
| 459 | for (size_t i = 0; i < kDataSize; ++i) |
| 460 | send_buffer[i] = static_cast<char>(i % 256); |
| 461 | memset(recv_buffer, 0, sizeof(recv_buffer)); |
| 462 | size_t send_pos = 0, recv_pos = 0; |
| 463 | |
| 464 | // Can't send more than send buffer in one write |
| 465 | int result = a->Send(send_buffer + send_pos, kDataSize - send_pos); |
| 466 | EXPECT_EQ(static_cast<int>(kBufferSize), result); |
| 467 | send_pos += result; |
| 468 | |
| 469 | ss_->ProcessMessagesUntilIdle(); |
| 470 | EXPECT_FALSE(sink.Check(a, testing::SSE_WRITE)); |
| 471 | EXPECT_TRUE(sink.Check(b, testing::SSE_READ)); |
| 472 | |
| 473 | // Receive buffer is already filled, fill send buffer again |
| 474 | result = a->Send(send_buffer + send_pos, kDataSize - send_pos); |
| 475 | EXPECT_EQ(static_cast<int>(kBufferSize), result); |
| 476 | send_pos += result; |
| 477 | |
| 478 | ss_->ProcessMessagesUntilIdle(); |
| 479 | EXPECT_FALSE(sink.Check(a, testing::SSE_WRITE)); |
| 480 | EXPECT_FALSE(sink.Check(b, testing::SSE_READ)); |
| 481 | |
| 482 | // No more room in send or receive buffer |
| 483 | result = a->Send(send_buffer + send_pos, kDataSize - send_pos); |
| 484 | EXPECT_EQ(-1, result); |
| 485 | EXPECT_TRUE(a->IsBlocking()); |
| 486 | |
| 487 | // Read a subset of the data |
| 488 | result = b->Recv(recv_buffer + recv_pos, 500); |
| 489 | EXPECT_EQ(500, result); |
| 490 | recv_pos += result; |
| 491 | |
| 492 | ss_->ProcessMessagesUntilIdle(); |
| 493 | EXPECT_TRUE(sink.Check(a, testing::SSE_WRITE)); |
| 494 | EXPECT_TRUE(sink.Check(b, testing::SSE_READ)); |
| 495 | |
| 496 | // Room for more on the sending side |
| 497 | result = a->Send(send_buffer + send_pos, kDataSize - send_pos); |
| 498 | EXPECT_EQ(500, result); |
| 499 | send_pos += result; |
| 500 | |
| 501 | // Empty the recv buffer |
| 502 | while (true) { |
| 503 | result = b->Recv(recv_buffer + recv_pos, kDataSize - recv_pos); |
| 504 | if (result < 0) { |
| 505 | EXPECT_EQ(-1, result); |
| 506 | EXPECT_TRUE(b->IsBlocking()); |
| 507 | break; |
| 508 | } |
| 509 | recv_pos += result; |
| 510 | } |
| 511 | |
| 512 | ss_->ProcessMessagesUntilIdle(); |
| 513 | EXPECT_TRUE(sink.Check(b, testing::SSE_READ)); |
| 514 | |
| 515 | // Continue to empty the recv buffer |
| 516 | while (true) { |
| 517 | result = b->Recv(recv_buffer + recv_pos, kDataSize - recv_pos); |
| 518 | if (result < 0) { |
| 519 | EXPECT_EQ(-1, result); |
| 520 | EXPECT_TRUE(b->IsBlocking()); |
| 521 | break; |
| 522 | } |
| 523 | recv_pos += result; |
| 524 | } |
| 525 | |
| 526 | // Send last of the data |
| 527 | result = a->Send(send_buffer + send_pos, kDataSize - send_pos); |
| 528 | EXPECT_EQ(500, result); |
| 529 | send_pos += result; |
| 530 | |
| 531 | ss_->ProcessMessagesUntilIdle(); |
| 532 | EXPECT_TRUE(sink.Check(b, testing::SSE_READ)); |
| 533 | |
| 534 | // Receive the last of the data |
| 535 | while (true) { |
| 536 | result = b->Recv(recv_buffer + recv_pos, kDataSize - recv_pos); |
| 537 | if (result < 0) { |
| 538 | EXPECT_EQ(-1, result); |
| 539 | EXPECT_TRUE(b->IsBlocking()); |
| 540 | break; |
| 541 | } |
| 542 | recv_pos += result; |
| 543 | } |
| 544 | |
| 545 | ss_->ProcessMessagesUntilIdle(); |
| 546 | EXPECT_FALSE(sink.Check(b, testing::SSE_READ)); |
| 547 | |
| 548 | // The received data matches the sent data |
| 549 | EXPECT_EQ(kDataSize, send_pos); |
| 550 | EXPECT_EQ(kDataSize, recv_pos); |
| 551 | EXPECT_EQ(0, memcmp(recv_buffer, send_buffer, kDataSize)); |
| 552 | } |
| 553 | |
| 554 | void TcpSendsPacketsInOrderTest(const SocketAddress& initial_addr) { |
| 555 | const SocketAddress kEmptyAddr; |
| 556 | |
| 557 | // Connect two sockets |
| 558 | AsyncSocket* a = ss_->CreateAsyncSocket(initial_addr.family(), |
| 559 | SOCK_STREAM); |
| 560 | AsyncSocket* b = ss_->CreateAsyncSocket(initial_addr.family(), |
| 561 | SOCK_STREAM); |
| 562 | a->Bind(initial_addr); |
| 563 | EXPECT_EQ(a->GetLocalAddress().family(), initial_addr.family()); |
| 564 | |
| 565 | b->Bind(initial_addr); |
| 566 | EXPECT_EQ(b->GetLocalAddress().family(), initial_addr.family()); |
| 567 | |
| 568 | EXPECT_EQ(0, a->Connect(b->GetLocalAddress())); |
| 569 | EXPECT_EQ(0, b->Connect(a->GetLocalAddress())); |
| 570 | ss_->ProcessMessagesUntilIdle(); |
| 571 | |
| 572 | // First, deliver all packets in 0 ms. |
| 573 | char buffer[2] = { 0, 0 }; |
| 574 | const char cNumPackets = 10; |
| 575 | for (char i = 0; i < cNumPackets; ++i) { |
| 576 | buffer[0] = '0' + i; |
| 577 | EXPECT_EQ(1, a->Send(buffer, 1)); |
| 578 | } |
| 579 | |
| 580 | ss_->ProcessMessagesUntilIdle(); |
| 581 | |
| 582 | for (char i = 0; i < cNumPackets; ++i) { |
| 583 | EXPECT_EQ(1, b->Recv(buffer, sizeof(buffer))); |
| 584 | EXPECT_EQ(static_cast<char>('0' + i), buffer[0]); |
| 585 | } |
| 586 | |
| 587 | // Next, deliver packets at random intervals |
| 588 | const uint32 mean = 50; |
| 589 | const uint32 stddev = 50; |
| 590 | |
| 591 | ss_->set_delay_mean(mean); |
| 592 | ss_->set_delay_stddev(stddev); |
| 593 | ss_->UpdateDelayDistribution(); |
| 594 | |
| 595 | for (char i = 0; i < cNumPackets; ++i) { |
| 596 | buffer[0] = 'A' + i; |
| 597 | EXPECT_EQ(1, a->Send(buffer, 1)); |
| 598 | } |
| 599 | |
| 600 | ss_->ProcessMessagesUntilIdle(); |
| 601 | |
| 602 | for (char i = 0; i < cNumPackets; ++i) { |
| 603 | EXPECT_EQ(1, b->Recv(buffer, sizeof(buffer))); |
| 604 | EXPECT_EQ(static_cast<char>('A' + i), buffer[0]); |
| 605 | } |
| 606 | } |
| 607 | |
| 608 | void BandwidthTest(const SocketAddress& initial_addr) { |
| 609 | AsyncSocket* send_socket = |
| 610 | ss_->CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); |
| 611 | AsyncSocket* recv_socket = |
| 612 | ss_->CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); |
| 613 | ASSERT_EQ(0, send_socket->Bind(initial_addr)); |
| 614 | ASSERT_EQ(0, recv_socket->Bind(initial_addr)); |
| 615 | EXPECT_EQ(send_socket->GetLocalAddress().family(), initial_addr.family()); |
| 616 | EXPECT_EQ(recv_socket->GetLocalAddress().family(), initial_addr.family()); |
| 617 | ASSERT_EQ(0, send_socket->Connect(recv_socket->GetLocalAddress())); |
| 618 | |
| 619 | uint32 bandwidth = 64 * 1024; |
| 620 | ss_->set_bandwidth(bandwidth); |
| 621 | |
| 622 | Thread* pthMain = Thread::Current(); |
| 623 | Sender sender(pthMain, send_socket, 80 * 1024); |
| 624 | Receiver receiver(pthMain, recv_socket, bandwidth); |
| 625 | |
| 626 | pthMain->ProcessMessages(5000); |
| 627 | sender.done = true; |
| 628 | pthMain->ProcessMessages(5000); |
| 629 | |
| 630 | ASSERT_TRUE(receiver.count >= 5 * 3 * bandwidth / 4); |
| 631 | ASSERT_TRUE(receiver.count <= 6 * bandwidth); // queue could drain for 1s |
| 632 | |
| 633 | ss_->set_bandwidth(0); |
| 634 | } |
| 635 | |
| 636 | void DelayTest(const SocketAddress& initial_addr) { |
| 637 | time_t seed = ::time(NULL); |
| 638 | LOG(LS_VERBOSE) << "seed = " << seed; |
| 639 | srand(static_cast<unsigned int>(seed)); |
| 640 | |
| 641 | const uint32 mean = 2000; |
| 642 | const uint32 stddev = 500; |
| 643 | |
| 644 | ss_->set_delay_mean(mean); |
| 645 | ss_->set_delay_stddev(stddev); |
| 646 | ss_->UpdateDelayDistribution(); |
| 647 | |
| 648 | AsyncSocket* send_socket = |
| 649 | ss_->CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); |
| 650 | AsyncSocket* recv_socket = |
| 651 | ss_->CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); |
| 652 | ASSERT_EQ(0, send_socket->Bind(initial_addr)); |
| 653 | ASSERT_EQ(0, recv_socket->Bind(initial_addr)); |
| 654 | EXPECT_EQ(send_socket->GetLocalAddress().family(), initial_addr.family()); |
| 655 | EXPECT_EQ(recv_socket->GetLocalAddress().family(), initial_addr.family()); |
| 656 | ASSERT_EQ(0, send_socket->Connect(recv_socket->GetLocalAddress())); |
| 657 | |
| 658 | Thread* pthMain = Thread::Current(); |
| 659 | // Avg packet size is 2K, so at 200KB/s for 10s, we should see about |
| 660 | // 1000 packets, which is necessary to get a good distribution. |
| 661 | Sender sender(pthMain, send_socket, 100 * 2 * 1024); |
| 662 | Receiver receiver(pthMain, recv_socket, 0); |
| 663 | |
| 664 | pthMain->ProcessMessages(10000); |
| 665 | sender.done = receiver.done = true; |
| 666 | ss_->ProcessMessagesUntilIdle(); |
| 667 | |
| 668 | const double sample_mean = receiver.sum / receiver.samples; |
| 669 | double num = |
| 670 | receiver.samples * receiver.sum_sq - receiver.sum * receiver.sum; |
| 671 | double den = receiver.samples * (receiver.samples - 1); |
| 672 | const double sample_stddev = sqrt(num / den); |
| 673 | LOG(LS_VERBOSE) << "mean=" << sample_mean << " stddev=" << sample_stddev; |
| 674 | |
| 675 | EXPECT_LE(500u, receiver.samples); |
| 676 | // We initially used a 0.1 fudge factor, but on the build machine, we |
| 677 | // have seen the value differ by as much as 0.13. |
| 678 | EXPECT_NEAR(mean, sample_mean, 0.15 * mean); |
| 679 | EXPECT_NEAR(stddev, sample_stddev, 0.15 * stddev); |
| 680 | |
| 681 | ss_->set_delay_mean(0); |
| 682 | ss_->set_delay_stddev(0); |
| 683 | ss_->UpdateDelayDistribution(); |
| 684 | } |
| 685 | |
| 686 | // Test cross-family communication between a client bound to client_addr and a |
| 687 | // server bound to server_addr. shouldSucceed indicates if communication is |
| 688 | // expected to work or not. |
| 689 | void CrossFamilyConnectionTest(const SocketAddress& client_addr, |
| 690 | const SocketAddress& server_addr, |
| 691 | bool shouldSucceed) { |
| 692 | testing::StreamSink sink; |
| 693 | SocketAddress accept_address; |
| 694 | const SocketAddress kEmptyAddr; |
| 695 | |
| 696 | // Client gets a IPv4 address |
| 697 | AsyncSocket* client = ss_->CreateAsyncSocket(client_addr.family(), |
| 698 | SOCK_STREAM); |
| 699 | sink.Monitor(client); |
| 700 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); |
| 701 | EXPECT_EQ(client->GetLocalAddress(), kEmptyAddr); |
| 702 | client->Bind(client_addr); |
| 703 | |
| 704 | // Server gets a non-mapped non-any IPv6 address. |
| 705 | // IPv4 sockets should not be able to connect to this. |
| 706 | AsyncSocket* server = ss_->CreateAsyncSocket(server_addr.family(), |
| 707 | SOCK_STREAM); |
| 708 | sink.Monitor(server); |
| 709 | server->Bind(server_addr); |
| 710 | server->Listen(5); |
| 711 | |
| 712 | if (shouldSucceed) { |
| 713 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 714 | ss_->ProcessMessagesUntilIdle(); |
| 715 | EXPECT_TRUE(sink.Check(server, testing::SSE_READ)); |
| 716 | Socket* accepted = server->Accept(&accept_address); |
| 717 | EXPECT_TRUE(NULL != accepted); |
| 718 | EXPECT_NE(kEmptyAddr, accept_address); |
| 719 | ss_->ProcessMessagesUntilIdle(); |
| 720 | EXPECT_TRUE(sink.Check(client, testing::SSE_OPEN)); |
| 721 | EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); |
| 722 | } else { |
| 723 | // Check that the connection failed. |
| 724 | EXPECT_EQ(-1, client->Connect(server->GetLocalAddress())); |
| 725 | ss_->ProcessMessagesUntilIdle(); |
| 726 | |
| 727 | EXPECT_FALSE(sink.Check(server, testing::SSE_READ)); |
| 728 | EXPECT_TRUE(NULL == server->Accept(&accept_address)); |
| 729 | EXPECT_EQ(accept_address, kEmptyAddr); |
| 730 | EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); |
| 731 | EXPECT_FALSE(sink.Check(client, testing::SSE_OPEN)); |
| 732 | EXPECT_EQ(client->GetRemoteAddress(), kEmptyAddr); |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | // Test cross-family datagram sending between a client bound to client_addr |
| 737 | // and a server bound to server_addr. shouldSucceed indicates if sending is |
| 738 | // expected to succed or not. |
| 739 | void CrossFamilyDatagramTest(const SocketAddress& client_addr, |
| 740 | const SocketAddress& server_addr, |
| 741 | bool shouldSucceed) { |
| 742 | AsyncSocket* socket = ss_->CreateAsyncSocket(SOCK_DGRAM); |
| 743 | socket->Bind(server_addr); |
| 744 | SocketAddress bound_server_addr = socket->GetLocalAddress(); |
| 745 | TestClient* client1 = new TestClient(new AsyncUDPSocket(socket)); |
| 746 | |
| 747 | AsyncSocket* socket2 = ss_->CreateAsyncSocket(SOCK_DGRAM); |
| 748 | socket2->Bind(client_addr); |
| 749 | TestClient* client2 = new TestClient(new AsyncUDPSocket(socket2)); |
| 750 | SocketAddress client2_addr; |
| 751 | |
| 752 | if (shouldSucceed) { |
| 753 | EXPECT_EQ(3, client2->SendTo("foo", 3, bound_server_addr)); |
| 754 | EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &client2_addr)); |
| 755 | SocketAddress client1_addr; |
| 756 | EXPECT_EQ(6, client1->SendTo("bizbaz", 6, client2_addr)); |
| 757 | EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &client1_addr)); |
| 758 | EXPECT_EQ(client1_addr, bound_server_addr); |
| 759 | } else { |
| 760 | EXPECT_EQ(-1, client2->SendTo("foo", 3, bound_server_addr)); |
| 761 | EXPECT_FALSE(client1->CheckNextPacket("foo", 3, 0)); |
| 762 | } |
| 763 | } |
| 764 | |
| 765 | protected: |
| 766 | virtual void SetUp() { |
| 767 | Thread::Current()->set_socketserver(ss_); |
| 768 | } |
| 769 | virtual void TearDown() { |
| 770 | Thread::Current()->set_socketserver(NULL); |
| 771 | } |
| 772 | |
| 773 | VirtualSocketServer* ss_; |
| 774 | const SocketAddress kIPv4AnyAddress; |
| 775 | const SocketAddress kIPv6AnyAddress; |
| 776 | }; |
| 777 | |
| 778 | TEST_F(VirtualSocketServerTest, basic_v4) { |
| 779 | SocketAddress ipv4_test_addr(IPAddress(INADDR_ANY), 5000); |
| 780 | BasicTest(ipv4_test_addr); |
| 781 | } |
| 782 | |
| 783 | TEST_F(VirtualSocketServerTest, basic_v6) { |
| 784 | SocketAddress ipv6_test_addr(IPAddress(in6addr_any), 5000); |
| 785 | BasicTest(ipv6_test_addr); |
| 786 | } |
| 787 | |
| 788 | TEST_F(VirtualSocketServerTest, connect_v4) { |
| 789 | ConnectTest(kIPv4AnyAddress); |
| 790 | } |
| 791 | |
| 792 | TEST_F(VirtualSocketServerTest, connect_v6) { |
| 793 | ConnectTest(kIPv6AnyAddress); |
| 794 | } |
| 795 | |
| 796 | TEST_F(VirtualSocketServerTest, connect_to_non_listener_v4) { |
| 797 | ConnectToNonListenerTest(kIPv4AnyAddress); |
| 798 | } |
| 799 | |
| 800 | TEST_F(VirtualSocketServerTest, connect_to_non_listener_v6) { |
| 801 | ConnectToNonListenerTest(kIPv6AnyAddress); |
| 802 | } |
| 803 | |
| 804 | TEST_F(VirtualSocketServerTest, close_during_connect_v4) { |
| 805 | CloseDuringConnectTest(kIPv4AnyAddress); |
| 806 | } |
| 807 | |
| 808 | TEST_F(VirtualSocketServerTest, close_during_connect_v6) { |
| 809 | CloseDuringConnectTest(kIPv6AnyAddress); |
| 810 | } |
| 811 | |
| 812 | TEST_F(VirtualSocketServerTest, close_v4) { |
| 813 | CloseTest(kIPv4AnyAddress); |
| 814 | } |
| 815 | |
| 816 | TEST_F(VirtualSocketServerTest, close_v6) { |
| 817 | CloseTest(kIPv6AnyAddress); |
| 818 | } |
| 819 | |
| 820 | TEST_F(VirtualSocketServerTest, tcp_send_v4) { |
| 821 | TcpSendTest(kIPv4AnyAddress); |
| 822 | } |
| 823 | |
| 824 | TEST_F(VirtualSocketServerTest, tcp_send_v6) { |
| 825 | TcpSendTest(kIPv6AnyAddress); |
| 826 | } |
| 827 | |
| 828 | TEST_F(VirtualSocketServerTest, TcpSendsPacketsInOrder_v4) { |
| 829 | TcpSendsPacketsInOrderTest(kIPv4AnyAddress); |
| 830 | } |
| 831 | |
| 832 | TEST_F(VirtualSocketServerTest, TcpSendsPacketsInOrder_v6) { |
| 833 | TcpSendsPacketsInOrderTest(kIPv6AnyAddress); |
| 834 | } |
| 835 | |
| 836 | TEST_F(VirtualSocketServerTest, bandwidth_v4) { |
| 837 | SocketAddress ipv4_test_addr(IPAddress(INADDR_ANY), 1000); |
| 838 | BandwidthTest(ipv4_test_addr); |
| 839 | } |
| 840 | |
| 841 | TEST_F(VirtualSocketServerTest, bandwidth_v6) { |
| 842 | SocketAddress ipv6_test_addr(IPAddress(in6addr_any), 1000); |
| 843 | BandwidthTest(ipv6_test_addr); |
| 844 | } |
| 845 | |
| 846 | TEST_F(VirtualSocketServerTest, delay_v4) { |
| 847 | SocketAddress ipv4_test_addr(IPAddress(INADDR_ANY), 1000); |
| 848 | DelayTest(ipv4_test_addr); |
| 849 | } |
| 850 | |
| 851 | // See: https://code.google.com/p/webrtc/issues/detail?id=2409 |
| 852 | TEST_F(VirtualSocketServerTest, DISABLED_delay_v6) { |
| 853 | SocketAddress ipv6_test_addr(IPAddress(in6addr_any), 1000); |
| 854 | DelayTest(ipv6_test_addr); |
| 855 | } |
| 856 | |
| 857 | // Works, receiving socket sees 127.0.0.2. |
| 858 | TEST_F(VirtualSocketServerTest, CanConnectFromMappedIPv6ToIPv4Any) { |
| 859 | CrossFamilyConnectionTest(SocketAddress("::ffff:127.0.0.2", 0), |
| 860 | SocketAddress("0.0.0.0", 5000), |
| 861 | true); |
| 862 | } |
| 863 | |
| 864 | // Fails. |
| 865 | TEST_F(VirtualSocketServerTest, CantConnectFromUnMappedIPv6ToIPv4Any) { |
| 866 | CrossFamilyConnectionTest(SocketAddress("::2", 0), |
| 867 | SocketAddress("0.0.0.0", 5000), |
| 868 | false); |
| 869 | } |
| 870 | |
| 871 | // Fails. |
| 872 | TEST_F(VirtualSocketServerTest, CantConnectFromUnMappedIPv6ToMappedIPv6) { |
| 873 | CrossFamilyConnectionTest(SocketAddress("::2", 0), |
| 874 | SocketAddress("::ffff:127.0.0.1", 5000), |
| 875 | false); |
| 876 | } |
| 877 | |
| 878 | // Works. receiving socket sees ::ffff:127.0.0.2. |
| 879 | TEST_F(VirtualSocketServerTest, CanConnectFromIPv4ToIPv6Any) { |
| 880 | CrossFamilyConnectionTest(SocketAddress("127.0.0.2", 0), |
| 881 | SocketAddress("::", 5000), |
| 882 | true); |
| 883 | } |
| 884 | |
| 885 | // Fails. |
| 886 | TEST_F(VirtualSocketServerTest, CantConnectFromIPv4ToUnMappedIPv6) { |
| 887 | CrossFamilyConnectionTest(SocketAddress("127.0.0.2", 0), |
| 888 | SocketAddress("::1", 5000), |
| 889 | false); |
| 890 | } |
| 891 | |
| 892 | // Works. Receiving socket sees ::ffff:127.0.0.1. |
| 893 | TEST_F(VirtualSocketServerTest, CanConnectFromIPv4ToMappedIPv6) { |
| 894 | CrossFamilyConnectionTest(SocketAddress("127.0.0.1", 0), |
| 895 | SocketAddress("::ffff:127.0.0.2", 5000), |
| 896 | true); |
| 897 | } |
| 898 | |
| 899 | // Works, receiving socket sees a result from GetNextIP. |
| 900 | TEST_F(VirtualSocketServerTest, CanConnectFromUnboundIPv6ToIPv4Any) { |
| 901 | CrossFamilyConnectionTest(SocketAddress("::", 0), |
| 902 | SocketAddress("0.0.0.0", 5000), |
| 903 | true); |
| 904 | } |
| 905 | |
| 906 | // Works, receiving socket sees whatever GetNextIP gave the client. |
| 907 | TEST_F(VirtualSocketServerTest, CanConnectFromUnboundIPv4ToIPv6Any) { |
| 908 | CrossFamilyConnectionTest(SocketAddress("0.0.0.0", 0), |
| 909 | SocketAddress("::", 5000), |
| 910 | true); |
| 911 | } |
| 912 | |
| 913 | TEST_F(VirtualSocketServerTest, CanSendDatagramFromUnboundIPv4ToIPv6Any) { |
| 914 | CrossFamilyDatagramTest(SocketAddress("0.0.0.0", 0), |
| 915 | SocketAddress("::", 5000), |
| 916 | true); |
| 917 | } |
| 918 | |
| 919 | TEST_F(VirtualSocketServerTest, CanSendDatagramFromMappedIPv6ToIPv4Any) { |
| 920 | CrossFamilyDatagramTest(SocketAddress("::ffff:127.0.0.1", 0), |
| 921 | SocketAddress("0.0.0.0", 5000), |
| 922 | true); |
| 923 | } |
| 924 | |
| 925 | TEST_F(VirtualSocketServerTest, CantSendDatagramFromUnMappedIPv6ToIPv4Any) { |
| 926 | CrossFamilyDatagramTest(SocketAddress("::2", 0), |
| 927 | SocketAddress("0.0.0.0", 5000), |
| 928 | false); |
| 929 | } |
| 930 | |
| 931 | TEST_F(VirtualSocketServerTest, CantSendDatagramFromUnMappedIPv6ToMappedIPv6) { |
| 932 | CrossFamilyDatagramTest(SocketAddress("::2", 0), |
| 933 | SocketAddress("::ffff:127.0.0.1", 5000), |
| 934 | false); |
| 935 | } |
| 936 | |
| 937 | TEST_F(VirtualSocketServerTest, CanSendDatagramFromIPv4ToIPv6Any) { |
| 938 | CrossFamilyDatagramTest(SocketAddress("127.0.0.2", 0), |
| 939 | SocketAddress("::", 5000), |
| 940 | true); |
| 941 | } |
| 942 | |
| 943 | TEST_F(VirtualSocketServerTest, CantSendDatagramFromIPv4ToUnMappedIPv6) { |
| 944 | CrossFamilyDatagramTest(SocketAddress("127.0.0.2", 0), |
| 945 | SocketAddress("::1", 5000), |
| 946 | false); |
| 947 | } |
| 948 | |
| 949 | TEST_F(VirtualSocketServerTest, CanSendDatagramFromIPv4ToMappedIPv6) { |
| 950 | CrossFamilyDatagramTest(SocketAddress("127.0.0.1", 0), |
| 951 | SocketAddress("::ffff:127.0.0.2", 5000), |
| 952 | true); |
| 953 | } |
| 954 | |
| 955 | TEST_F(VirtualSocketServerTest, CanSendDatagramFromUnboundIPv6ToIPv4Any) { |
| 956 | CrossFamilyDatagramTest(SocketAddress("::", 0), |
| 957 | SocketAddress("0.0.0.0", 5000), |
| 958 | true); |
| 959 | } |
| 960 | |
| 961 | TEST_F(VirtualSocketServerTest, CreatesStandardDistribution) { |
| 962 | const uint32 kTestMean[] = { 10, 100, 333, 1000 }; |
| 963 | const double kTestDev[] = { 0.25, 0.1, 0.01 }; |
| 964 | // TODO: The current code only works for 1000 data points or more. |
| 965 | const uint32 kTestSamples[] = { /*10, 100,*/ 1000 }; |
| 966 | for (size_t midx = 0; midx < ARRAY_SIZE(kTestMean); ++midx) { |
| 967 | for (size_t didx = 0; didx < ARRAY_SIZE(kTestDev); ++didx) { |
| 968 | for (size_t sidx = 0; sidx < ARRAY_SIZE(kTestSamples); ++sidx) { |
| 969 | ASSERT_LT(0u, kTestSamples[sidx]); |
| 970 | const uint32 kStdDev = |
| 971 | static_cast<uint32>(kTestDev[didx] * kTestMean[midx]); |
| 972 | VirtualSocketServer::Function* f = |
| 973 | VirtualSocketServer::CreateDistribution(kTestMean[midx], |
| 974 | kStdDev, |
| 975 | kTestSamples[sidx]); |
| 976 | ASSERT_TRUE(NULL != f); |
| 977 | ASSERT_EQ(kTestSamples[sidx], f->size()); |
| 978 | double sum = 0; |
| 979 | for (uint32 i = 0; i < f->size(); ++i) { |
| 980 | sum += (*f)[i].second; |
| 981 | } |
| 982 | const double mean = sum / f->size(); |
| 983 | double sum_sq_dev = 0; |
| 984 | for (uint32 i = 0; i < f->size(); ++i) { |
| 985 | double dev = (*f)[i].second - mean; |
| 986 | sum_sq_dev += dev * dev; |
| 987 | } |
| 988 | const double stddev = sqrt(sum_sq_dev / f->size()); |
| 989 | EXPECT_NEAR(kTestMean[midx], mean, 0.1 * kTestMean[midx]) |
| 990 | << "M=" << kTestMean[midx] |
| 991 | << " SD=" << kStdDev |
| 992 | << " N=" << kTestSamples[sidx]; |
| 993 | EXPECT_NEAR(kStdDev, stddev, 0.1 * kStdDev) |
| 994 | << "M=" << kTestMean[midx] |
| 995 | << " SD=" << kStdDev |
| 996 | << " N=" << kTestSamples[sidx]; |
| 997 | delete f; |
| 998 | } |
| 999 | } |
| 1000 | } |
| 1001 | } |