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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include <stdint.h> | |
| 6 #include <stdio.h> | |
| 7 #include <string.h> | |
| 8 | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/bind.h" | |
| 12 #include "base/files/file_path.h" | |
| 13 #include "base/files/file_util.h" | |
| 14 #include "base/files/scoped_file.h" | |
| 15 #include "base/files/scoped_temp_dir.h" | |
| 16 #include "base/location.h" | |
| 17 #include "base/logging.h" | |
| 18 #include "base/macros.h" | |
| 19 #include "base/message_loop/message_loop.h" | |
| 20 #include "base/test/test_io_thread.h" | |
| 21 #include "base/threading/platform_thread.h" // For |Sleep()|. | |
| 22 #include "build/build_config.h" // TODO(vtl): Remove this. | |
| 23 #include "mojo/edk/embedder/platform_channel_pair.h" | |
| 24 #include "mojo/edk/embedder/platform_shared_buffer.h" | |
| 25 #include "mojo/edk/embedder/scoped_platform_handle.h" | |
| 26 #include "mojo/edk/embedder/simple_platform_support.h" | |
| 27 #include "mojo/edk/system/channel.h" | |
| 28 #include "mojo/edk/system/channel_endpoint.h" | |
| 29 #include "mojo/edk/system/message_pipe.h" | |
| 30 #include "mojo/edk/system/message_pipe_dispatcher.h" | |
| 31 #include "mojo/edk/system/platform_handle_dispatcher.h" | |
| 32 #include "mojo/edk/system/raw_channel.h" | |
| 33 #include "mojo/edk/system/shared_buffer_dispatcher.h" | |
| 34 #include "mojo/edk/system/test_utils.h" | |
| 35 #include "mojo/edk/system/waiter.h" | |
| 36 #include "mojo/edk/test/test_utils.h" | |
| 37 #include "testing/gtest/include/gtest/gtest.h" | |
| 38 | |
| 39 namespace mojo { | |
| 40 namespace system { | |
| 41 namespace { | |
| 42 | |
| 43 class RemoteMessagePipeTest : public testing::Test { | |
| 44 public: | |
| 45 RemoteMessagePipeTest() : io_thread_(base::TestIOThread::kAutoStart) {} | |
| 46 virtual ~RemoteMessagePipeTest() {} | |
| 47 | |
| 48 virtual void SetUp() override { | |
| 49 io_thread_.PostTaskAndWait( | |
| 50 FROM_HERE, | |
| 51 base::Bind(&RemoteMessagePipeTest::SetUpOnIOThread, | |
| 52 base::Unretained(this))); | |
| 53 } | |
| 54 | |
| 55 virtual void TearDown() override { | |
| 56 io_thread_.PostTaskAndWait( | |
| 57 FROM_HERE, | |
| 58 base::Bind(&RemoteMessagePipeTest::TearDownOnIOThread, | |
| 59 base::Unretained(this))); | |
| 60 } | |
| 61 | |
| 62 protected: | |
| 63 // This connects the two given |ChannelEndpoint|s. | |
| 64 void ConnectChannelEndpoints(scoped_refptr<ChannelEndpoint> ep0, | |
| 65 scoped_refptr<ChannelEndpoint> ep1) { | |
| 66 io_thread_.PostTaskAndWait( | |
| 67 FROM_HERE, | |
| 68 base::Bind(&RemoteMessagePipeTest::ConnectChannelEndpointsOnIOThread, | |
| 69 base::Unretained(this), | |
| 70 ep0, | |
| 71 ep1)); | |
| 72 } | |
| 73 | |
| 74 // This bootstraps |ep| on |channels_[channel_index]|. It assumes/requires | |
| 75 // that this is the bootstrap case, i.e., that the endpoint IDs are both/will | |
| 76 // both be |Channel::kBootstrapEndpointId|. This returns *without* waiting for | |
| 77 // it to finish connecting. | |
| 78 void BootstrapChannelEndpointNoWait(unsigned channel_index, | |
| 79 scoped_refptr<ChannelEndpoint> ep) { | |
| 80 io_thread_.PostTask( | |
| 81 FROM_HERE, | |
| 82 base::Bind(&RemoteMessagePipeTest::BootstrapChannelEndpointOnIOThread, | |
| 83 base::Unretained(this), | |
| 84 channel_index, | |
| 85 ep)); | |
| 86 } | |
| 87 | |
| 88 void RestoreInitialState() { | |
| 89 io_thread_.PostTaskAndWait( | |
| 90 FROM_HERE, | |
| 91 base::Bind(&RemoteMessagePipeTest::RestoreInitialStateOnIOThread, | |
| 92 base::Unretained(this))); | |
| 93 } | |
| 94 | |
| 95 embedder::PlatformSupport* platform_support() { return &platform_support_; } | |
| 96 base::TestIOThread* io_thread() { return &io_thread_; } | |
| 97 | |
| 98 private: | |
| 99 void SetUpOnIOThread() { | |
| 100 CHECK_EQ(base::MessageLoop::current(), io_thread()->message_loop()); | |
| 101 | |
| 102 embedder::PlatformChannelPair channel_pair; | |
| 103 platform_handles_[0] = channel_pair.PassServerHandle(); | |
| 104 platform_handles_[1] = channel_pair.PassClientHandle(); | |
| 105 } | |
| 106 | |
| 107 void TearDownOnIOThread() { | |
| 108 CHECK_EQ(base::MessageLoop::current(), io_thread()->message_loop()); | |
| 109 | |
| 110 if (channels_[0].get()) { | |
| 111 channels_[0]->Shutdown(); | |
| 112 channels_[0] = nullptr; | |
| 113 } | |
| 114 if (channels_[1].get()) { | |
| 115 channels_[1]->Shutdown(); | |
| 116 channels_[1] = nullptr; | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 void CreateAndInitChannel(unsigned channel_index) { | |
| 121 CHECK_EQ(base::MessageLoop::current(), io_thread()->message_loop()); | |
| 122 CHECK(channel_index == 0 || channel_index == 1); | |
| 123 CHECK(!channels_[channel_index].get()); | |
| 124 | |
| 125 channels_[channel_index] = new Channel(&platform_support_); | |
| 126 CHECK(channels_[channel_index]->Init( | |
| 127 RawChannel::Create(platform_handles_[channel_index].Pass()))); | |
| 128 } | |
| 129 | |
| 130 void ConnectChannelEndpointsOnIOThread(scoped_refptr<ChannelEndpoint> ep0, | |
| 131 scoped_refptr<ChannelEndpoint> ep1) { | |
| 132 CHECK_EQ(base::MessageLoop::current(), io_thread()->message_loop()); | |
| 133 | |
| 134 if (!channels_[0].get()) | |
| 135 CreateAndInitChannel(0); | |
| 136 if (!channels_[1].get()) | |
| 137 CreateAndInitChannel(1); | |
| 138 | |
| 139 MessageInTransit::EndpointId local_id0 = channels_[0]->AttachEndpoint(ep0); | |
| 140 MessageInTransit::EndpointId local_id1 = channels_[1]->AttachEndpoint(ep1); | |
| 141 | |
| 142 CHECK(channels_[0]->RunMessagePipeEndpoint(local_id0, local_id1)); | |
| 143 CHECK(channels_[1]->RunMessagePipeEndpoint(local_id1, local_id0)); | |
| 144 } | |
| 145 | |
| 146 void BootstrapChannelEndpointOnIOThread(unsigned channel_index, | |
| 147 scoped_refptr<ChannelEndpoint> ep) { | |
| 148 CHECK_EQ(base::MessageLoop::current(), io_thread()->message_loop()); | |
| 149 CHECK(channel_index == 0 || channel_index == 1); | |
| 150 | |
| 151 CreateAndInitChannel(channel_index); | |
| 152 MessageInTransit::EndpointId endpoint_id = | |
| 153 channels_[channel_index]->AttachEndpoint(ep); | |
| 154 if (endpoint_id == MessageInTransit::kInvalidEndpointId) | |
| 155 return; | |
| 156 | |
| 157 CHECK_EQ(endpoint_id, Channel::kBootstrapEndpointId); | |
| 158 CHECK(channels_[channel_index]->RunMessagePipeEndpoint( | |
| 159 Channel::kBootstrapEndpointId, Channel::kBootstrapEndpointId)); | |
| 160 } | |
| 161 | |
| 162 void RestoreInitialStateOnIOThread() { | |
| 163 CHECK_EQ(base::MessageLoop::current(), io_thread()->message_loop()); | |
| 164 | |
| 165 TearDownOnIOThread(); | |
| 166 SetUpOnIOThread(); | |
| 167 } | |
| 168 | |
| 169 embedder::SimplePlatformSupport platform_support_; | |
| 170 base::TestIOThread io_thread_; | |
| 171 embedder::ScopedPlatformHandle platform_handles_[2]; | |
| 172 scoped_refptr<Channel> channels_[2]; | |
| 173 | |
| 174 DISALLOW_COPY_AND_ASSIGN(RemoteMessagePipeTest); | |
| 175 }; | |
| 176 | |
| 177 TEST_F(RemoteMessagePipeTest, Basic) { | |
| 178 static const char kHello[] = "hello"; | |
| 179 static const char kWorld[] = "world!!!1!!!1!"; | |
| 180 char buffer[100] = {0}; | |
| 181 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 182 Waiter waiter; | |
| 183 HandleSignalsState hss; | |
| 184 uint32_t context = 0; | |
| 185 | |
| 186 // Connect message pipes. MP 0, port 1 will be attached to channel 0 and | |
| 187 // connected to MP 1, port 0, which will be attached to channel 1. This leaves | |
| 188 // MP 0, port 0 and MP 1, port 1 as the "user-facing" endpoints. | |
| 189 | |
| 190 scoped_refptr<ChannelEndpoint> ep0; | |
| 191 scoped_refptr<MessagePipe> mp0(MessagePipe::CreateLocalProxy(&ep0)); | |
| 192 scoped_refptr<ChannelEndpoint> ep1; | |
| 193 scoped_refptr<MessagePipe> mp1(MessagePipe::CreateProxyLocal(&ep1)); | |
| 194 ConnectChannelEndpoints(ep0, ep1); | |
| 195 | |
| 196 // Write in one direction: MP 0, port 0 -> ... -> MP 1, port 1. | |
| 197 | |
| 198 // Prepare to wait on MP 1, port 1. (Add the waiter now. Otherwise, if we do | |
| 199 // it later, it might already be readable.) | |
| 200 waiter.Init(); | |
| 201 ASSERT_EQ( | |
| 202 MOJO_RESULT_OK, | |
| 203 mp1->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 123, nullptr)); | |
| 204 | |
| 205 // Write to MP 0, port 0. | |
| 206 EXPECT_EQ(MOJO_RESULT_OK, | |
| 207 mp0->WriteMessage(0, | |
| 208 UserPointer<const void>(kHello), | |
| 209 sizeof(kHello), | |
| 210 nullptr, | |
| 211 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 212 | |
| 213 // Wait. | |
| 214 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 215 EXPECT_EQ(123u, context); | |
| 216 hss = HandleSignalsState(); | |
| 217 mp1->RemoveWaiter(1, &waiter, &hss); | |
| 218 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 219 hss.satisfied_signals); | |
| 220 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 221 hss.satisfiable_signals); | |
| 222 | |
| 223 // Read from MP 1, port 1. | |
| 224 EXPECT_EQ(MOJO_RESULT_OK, | |
| 225 mp1->ReadMessage(1, | |
| 226 UserPointer<void>(buffer), | |
| 227 MakeUserPointer(&buffer_size), | |
| 228 nullptr, | |
| 229 nullptr, | |
| 230 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 231 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(buffer_size)); | |
| 232 EXPECT_STREQ(kHello, buffer); | |
| 233 | |
| 234 // Write in the other direction: MP 1, port 1 -> ... -> MP 0, port 0. | |
| 235 | |
| 236 waiter.Init(); | |
| 237 ASSERT_EQ( | |
| 238 MOJO_RESULT_OK, | |
| 239 mp0->AddWaiter(0, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 456, nullptr)); | |
| 240 | |
| 241 EXPECT_EQ(MOJO_RESULT_OK, | |
| 242 mp1->WriteMessage(1, | |
| 243 UserPointer<const void>(kWorld), | |
| 244 sizeof(kWorld), | |
| 245 nullptr, | |
| 246 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 247 | |
| 248 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 249 EXPECT_EQ(456u, context); | |
| 250 hss = HandleSignalsState(); | |
| 251 mp0->RemoveWaiter(0, &waiter, &hss); | |
| 252 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 253 hss.satisfied_signals); | |
| 254 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 255 hss.satisfiable_signals); | |
| 256 | |
| 257 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 258 EXPECT_EQ(MOJO_RESULT_OK, | |
| 259 mp0->ReadMessage(0, | |
| 260 UserPointer<void>(buffer), | |
| 261 MakeUserPointer(&buffer_size), | |
| 262 nullptr, | |
| 263 nullptr, | |
| 264 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 265 EXPECT_EQ(sizeof(kWorld), static_cast<size_t>(buffer_size)); | |
| 266 EXPECT_STREQ(kWorld, buffer); | |
| 267 | |
| 268 // Close MP 0, port 0. | |
| 269 mp0->Close(0); | |
| 270 | |
| 271 // Try to wait for MP 1, port 1 to become readable. This will eventually fail | |
| 272 // when it realizes that MP 0, port 0 has been closed. (It may also fail | |
| 273 // immediately.) | |
| 274 waiter.Init(); | |
| 275 hss = HandleSignalsState(); | |
| 276 MojoResult result = | |
| 277 mp1->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 789, &hss); | |
| 278 if (result == MOJO_RESULT_OK) { | |
| 279 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | |
| 280 waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 281 EXPECT_EQ(789u, context); | |
| 282 hss = HandleSignalsState(); | |
| 283 mp1->RemoveWaiter(1, &waiter, &hss); | |
| 284 } | |
| 285 EXPECT_EQ(0u, hss.satisfied_signals); | |
| 286 EXPECT_EQ(0u, hss.satisfiable_signals); | |
| 287 | |
| 288 // And MP 1, port 1. | |
| 289 mp1->Close(1); | |
| 290 } | |
| 291 | |
| 292 TEST_F(RemoteMessagePipeTest, Multiplex) { | |
| 293 static const char kHello[] = "hello"; | |
| 294 static const char kWorld[] = "world!!!1!!!1!"; | |
| 295 char buffer[100] = {0}; | |
| 296 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 297 Waiter waiter; | |
| 298 HandleSignalsState hss; | |
| 299 uint32_t context = 0; | |
| 300 | |
| 301 // Connect message pipes as in the |Basic| test. | |
| 302 | |
| 303 scoped_refptr<ChannelEndpoint> ep0; | |
| 304 scoped_refptr<MessagePipe> mp0(MessagePipe::CreateLocalProxy(&ep0)); | |
| 305 scoped_refptr<ChannelEndpoint> ep1; | |
| 306 scoped_refptr<MessagePipe> mp1(MessagePipe::CreateProxyLocal(&ep1)); | |
| 307 ConnectChannelEndpoints(ep0, ep1); | |
| 308 | |
| 309 // Now put another message pipe on the channel. | |
| 310 | |
| 311 scoped_refptr<ChannelEndpoint> ep2; | |
| 312 scoped_refptr<MessagePipe> mp2(MessagePipe::CreateLocalProxy(&ep2)); | |
| 313 scoped_refptr<ChannelEndpoint> ep3; | |
| 314 scoped_refptr<MessagePipe> mp3(MessagePipe::CreateProxyLocal(&ep3)); | |
| 315 ConnectChannelEndpoints(ep2, ep3); | |
| 316 | |
| 317 // Write: MP 2, port 0 -> MP 3, port 1. | |
| 318 | |
| 319 waiter.Init(); | |
| 320 ASSERT_EQ( | |
| 321 MOJO_RESULT_OK, | |
| 322 mp3->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 789, nullptr)); | |
| 323 | |
| 324 EXPECT_EQ(MOJO_RESULT_OK, | |
| 325 mp2->WriteMessage(0, | |
| 326 UserPointer<const void>(kHello), | |
| 327 sizeof(kHello), | |
| 328 nullptr, | |
| 329 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 330 | |
| 331 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 332 EXPECT_EQ(789u, context); | |
| 333 hss = HandleSignalsState(); | |
| 334 mp3->RemoveWaiter(1, &waiter, &hss); | |
| 335 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 336 hss.satisfied_signals); | |
| 337 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 338 hss.satisfiable_signals); | |
| 339 | |
| 340 // Make sure there's nothing on MP 0, port 0 or MP 1, port 1 or MP 2, port 0. | |
| 341 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 342 EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT, | |
| 343 mp0->ReadMessage(0, | |
| 344 UserPointer<void>(buffer), | |
| 345 MakeUserPointer(&buffer_size), | |
| 346 nullptr, | |
| 347 nullptr, | |
| 348 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 349 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 350 EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT, | |
| 351 mp1->ReadMessage(1, | |
| 352 UserPointer<void>(buffer), | |
| 353 MakeUserPointer(&buffer_size), | |
| 354 nullptr, | |
| 355 nullptr, | |
| 356 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 357 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 358 EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT, | |
| 359 mp2->ReadMessage(0, | |
| 360 UserPointer<void>(buffer), | |
| 361 MakeUserPointer(&buffer_size), | |
| 362 nullptr, | |
| 363 nullptr, | |
| 364 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 365 | |
| 366 // Read from MP 3, port 1. | |
| 367 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 368 EXPECT_EQ(MOJO_RESULT_OK, | |
| 369 mp3->ReadMessage(1, | |
| 370 UserPointer<void>(buffer), | |
| 371 MakeUserPointer(&buffer_size), | |
| 372 nullptr, | |
| 373 nullptr, | |
| 374 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 375 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(buffer_size)); | |
| 376 EXPECT_STREQ(kHello, buffer); | |
| 377 | |
| 378 // Write: MP 0, port 0 -> MP 1, port 1 again. | |
| 379 | |
| 380 waiter.Init(); | |
| 381 ASSERT_EQ( | |
| 382 MOJO_RESULT_OK, | |
| 383 mp1->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 123, nullptr)); | |
| 384 | |
| 385 EXPECT_EQ(MOJO_RESULT_OK, | |
| 386 mp0->WriteMessage(0, | |
| 387 UserPointer<const void>(kWorld), | |
| 388 sizeof(kWorld), | |
| 389 nullptr, | |
| 390 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 391 | |
| 392 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 393 EXPECT_EQ(123u, context); | |
| 394 hss = HandleSignalsState(); | |
| 395 mp1->RemoveWaiter(1, &waiter, &hss); | |
| 396 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 397 hss.satisfied_signals); | |
| 398 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 399 hss.satisfiable_signals); | |
| 400 | |
| 401 // Make sure there's nothing on the other ports. | |
| 402 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 403 EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT, | |
| 404 mp0->ReadMessage(0, | |
| 405 UserPointer<void>(buffer), | |
| 406 MakeUserPointer(&buffer_size), | |
| 407 nullptr, | |
| 408 nullptr, | |
| 409 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 410 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 411 EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT, | |
| 412 mp2->ReadMessage(0, | |
| 413 UserPointer<void>(buffer), | |
| 414 MakeUserPointer(&buffer_size), | |
| 415 nullptr, | |
| 416 nullptr, | |
| 417 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 418 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 419 EXPECT_EQ(MOJO_RESULT_SHOULD_WAIT, | |
| 420 mp3->ReadMessage(1, | |
| 421 UserPointer<void>(buffer), | |
| 422 MakeUserPointer(&buffer_size), | |
| 423 nullptr, | |
| 424 nullptr, | |
| 425 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 426 | |
| 427 buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 428 EXPECT_EQ(MOJO_RESULT_OK, | |
| 429 mp1->ReadMessage(1, | |
| 430 UserPointer<void>(buffer), | |
| 431 MakeUserPointer(&buffer_size), | |
| 432 nullptr, | |
| 433 nullptr, | |
| 434 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 435 EXPECT_EQ(sizeof(kWorld), static_cast<size_t>(buffer_size)); | |
| 436 EXPECT_STREQ(kWorld, buffer); | |
| 437 | |
| 438 mp0->Close(0); | |
| 439 mp1->Close(1); | |
| 440 mp2->Close(0); | |
| 441 mp3->Close(1); | |
| 442 } | |
| 443 | |
| 444 TEST_F(RemoteMessagePipeTest, CloseBeforeConnect) { | |
| 445 static const char kHello[] = "hello"; | |
| 446 char buffer[100] = {0}; | |
| 447 uint32_t buffer_size = static_cast<uint32_t>(sizeof(buffer)); | |
| 448 Waiter waiter; | |
| 449 HandleSignalsState hss; | |
| 450 uint32_t context = 0; | |
| 451 | |
| 452 // Connect message pipes. MP 0, port 1 will be attached to channel 0 and | |
| 453 // connected to MP 1, port 0, which will be attached to channel 1. This leaves | |
| 454 // MP 0, port 0 and MP 1, port 1 as the "user-facing" endpoints. | |
| 455 | |
| 456 scoped_refptr<ChannelEndpoint> ep0; | |
| 457 scoped_refptr<MessagePipe> mp0(MessagePipe::CreateLocalProxy(&ep0)); | |
| 458 | |
| 459 // Write to MP 0, port 0. | |
| 460 EXPECT_EQ(MOJO_RESULT_OK, | |
| 461 mp0->WriteMessage(0, | |
| 462 UserPointer<const void>(kHello), | |
| 463 sizeof(kHello), | |
| 464 nullptr, | |
| 465 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 466 | |
| 467 BootstrapChannelEndpointNoWait(0, ep0); | |
| 468 | |
| 469 // Close MP 0, port 0 before channel 1 is even connected. | |
| 470 mp0->Close(0); | |
| 471 | |
| 472 scoped_refptr<ChannelEndpoint> ep1; | |
| 473 scoped_refptr<MessagePipe> mp1(MessagePipe::CreateProxyLocal(&ep1)); | |
| 474 | |
| 475 // Prepare to wait on MP 1, port 1. (Add the waiter now. Otherwise, if we do | |
| 476 // it later, it might already be readable.) | |
| 477 waiter.Init(); | |
| 478 ASSERT_EQ( | |
| 479 MOJO_RESULT_OK, | |
| 480 mp1->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 123, nullptr)); | |
| 481 | |
| 482 BootstrapChannelEndpointNoWait(1, ep1); | |
| 483 | |
| 484 // Wait. | |
| 485 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 486 EXPECT_EQ(123u, context); | |
| 487 hss = HandleSignalsState(); | |
| 488 // Note: MP 1, port 1 should definitely should be readable, but it may or may | |
| 489 // not appear as writable (there's a race, and it may not have noticed that | |
| 490 // the other side was closed yet -- e.g., inserting a sleep here would make it | |
| 491 // much more likely to notice that it's no longer writable). | |
| 492 mp1->RemoveWaiter(1, &waiter, &hss); | |
| 493 EXPECT_TRUE((hss.satisfied_signals & MOJO_HANDLE_SIGNAL_READABLE)); | |
| 494 EXPECT_TRUE((hss.satisfiable_signals & MOJO_HANDLE_SIGNAL_READABLE)); | |
| 495 | |
| 496 // Read from MP 1, port 1. | |
| 497 EXPECT_EQ(MOJO_RESULT_OK, | |
| 498 mp1->ReadMessage(1, | |
| 499 UserPointer<void>(buffer), | |
| 500 MakeUserPointer(&buffer_size), | |
| 501 nullptr, | |
| 502 nullptr, | |
| 503 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 504 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(buffer_size)); | |
| 505 EXPECT_STREQ(kHello, buffer); | |
| 506 | |
| 507 // And MP 1, port 1. | |
| 508 mp1->Close(1); | |
| 509 } | |
| 510 | |
| 511 TEST_F(RemoteMessagePipeTest, HandlePassing) { | |
| 512 static const char kHello[] = "hello"; | |
| 513 Waiter waiter; | |
| 514 HandleSignalsState hss; | |
| 515 uint32_t context = 0; | |
| 516 | |
| 517 scoped_refptr<ChannelEndpoint> ep0; | |
| 518 scoped_refptr<MessagePipe> mp0(MessagePipe::CreateLocalProxy(&ep0)); | |
| 519 scoped_refptr<ChannelEndpoint> ep1; | |
| 520 scoped_refptr<MessagePipe> mp1(MessagePipe::CreateProxyLocal(&ep1)); | |
| 521 ConnectChannelEndpoints(ep0, ep1); | |
| 522 | |
| 523 // We'll try to pass this dispatcher. | |
| 524 scoped_refptr<MessagePipeDispatcher> dispatcher( | |
| 525 new MessagePipeDispatcher(MessagePipeDispatcher::kDefaultCreateOptions)); | |
| 526 scoped_refptr<MessagePipe> local_mp(MessagePipe::CreateLocalLocal()); | |
| 527 dispatcher->Init(local_mp, 0); | |
| 528 | |
| 529 // Prepare to wait on MP 1, port 1. (Add the waiter now. Otherwise, if we do | |
| 530 // it later, it might already be readable.) | |
| 531 waiter.Init(); | |
| 532 ASSERT_EQ( | |
| 533 MOJO_RESULT_OK, | |
| 534 mp1->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 123, nullptr)); | |
| 535 | |
| 536 // Write to MP 0, port 0. | |
| 537 { | |
| 538 DispatcherTransport transport( | |
| 539 test::DispatcherTryStartTransport(dispatcher.get())); | |
| 540 EXPECT_TRUE(transport.is_valid()); | |
| 541 | |
| 542 std::vector<DispatcherTransport> transports; | |
| 543 transports.push_back(transport); | |
| 544 EXPECT_EQ(MOJO_RESULT_OK, | |
| 545 mp0->WriteMessage(0, | |
| 546 UserPointer<const void>(kHello), | |
| 547 sizeof(kHello), | |
| 548 &transports, | |
| 549 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 550 transport.End(); | |
| 551 | |
| 552 // |dispatcher| should have been closed. This is |DCHECK()|ed when the | |
| 553 // |dispatcher| is destroyed. | |
| 554 EXPECT_TRUE(dispatcher->HasOneRef()); | |
| 555 dispatcher = nullptr; | |
| 556 } | |
| 557 | |
| 558 // Wait. | |
| 559 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 560 EXPECT_EQ(123u, context); | |
| 561 hss = HandleSignalsState(); | |
| 562 mp1->RemoveWaiter(1, &waiter, &hss); | |
| 563 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 564 hss.satisfied_signals); | |
| 565 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 566 hss.satisfiable_signals); | |
| 567 | |
| 568 // Read from MP 1, port 1. | |
| 569 char read_buffer[100] = {0}; | |
| 570 uint32_t read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 571 DispatcherVector read_dispatchers; | |
| 572 uint32_t read_num_dispatchers = 10; // Maximum to get. | |
| 573 EXPECT_EQ(MOJO_RESULT_OK, | |
| 574 mp1->ReadMessage(1, | |
| 575 UserPointer<void>(read_buffer), | |
| 576 MakeUserPointer(&read_buffer_size), | |
| 577 &read_dispatchers, | |
| 578 &read_num_dispatchers, | |
| 579 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 580 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(read_buffer_size)); | |
| 581 EXPECT_STREQ(kHello, read_buffer); | |
| 582 EXPECT_EQ(1u, read_dispatchers.size()); | |
| 583 EXPECT_EQ(1u, read_num_dispatchers); | |
| 584 ASSERT_TRUE(read_dispatchers[0].get()); | |
| 585 EXPECT_TRUE(read_dispatchers[0]->HasOneRef()); | |
| 586 | |
| 587 EXPECT_EQ(Dispatcher::kTypeMessagePipe, read_dispatchers[0]->GetType()); | |
| 588 dispatcher = static_cast<MessagePipeDispatcher*>(read_dispatchers[0].get()); | |
| 589 | |
| 590 // Add the waiter now, before it becomes readable to avoid a race. | |
| 591 waiter.Init(); | |
| 592 ASSERT_EQ(MOJO_RESULT_OK, | |
| 593 dispatcher->AddWaiter( | |
| 594 &waiter, MOJO_HANDLE_SIGNAL_READABLE, 456, nullptr)); | |
| 595 | |
| 596 // Write to "local_mp", port 1. | |
| 597 EXPECT_EQ(MOJO_RESULT_OK, | |
| 598 local_mp->WriteMessage(1, | |
| 599 UserPointer<const void>(kHello), | |
| 600 sizeof(kHello), | |
| 601 nullptr, | |
| 602 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 603 | |
| 604 // TODO(vtl): FIXME -- We (racily) crash if I close |dispatcher| immediately | |
| 605 // here. (We don't crash if I sleep and then close.) | |
| 606 | |
| 607 // Wait for the dispatcher to become readable. | |
| 608 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 609 EXPECT_EQ(456u, context); | |
| 610 hss = HandleSignalsState(); | |
| 611 dispatcher->RemoveWaiter(&waiter, &hss); | |
| 612 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 613 hss.satisfied_signals); | |
| 614 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 615 hss.satisfiable_signals); | |
| 616 | |
| 617 // Read from the dispatcher. | |
| 618 memset(read_buffer, 0, sizeof(read_buffer)); | |
| 619 read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 620 EXPECT_EQ(MOJO_RESULT_OK, | |
| 621 dispatcher->ReadMessage(UserPointer<void>(read_buffer), | |
| 622 MakeUserPointer(&read_buffer_size), | |
| 623 0, | |
| 624 nullptr, | |
| 625 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 626 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(read_buffer_size)); | |
| 627 EXPECT_STREQ(kHello, read_buffer); | |
| 628 | |
| 629 // Prepare to wait on "local_mp", port 1. | |
| 630 waiter.Init(); | |
| 631 ASSERT_EQ(MOJO_RESULT_OK, | |
| 632 local_mp->AddWaiter( | |
| 633 1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 789, nullptr)); | |
| 634 | |
| 635 // Write to the dispatcher. | |
| 636 EXPECT_EQ(MOJO_RESULT_OK, | |
| 637 dispatcher->WriteMessage(UserPointer<const void>(kHello), | |
| 638 sizeof(kHello), | |
| 639 nullptr, | |
| 640 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 641 | |
| 642 // Wait. | |
| 643 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 644 EXPECT_EQ(789u, context); | |
| 645 hss = HandleSignalsState(); | |
| 646 local_mp->RemoveWaiter(1, &waiter, &hss); | |
| 647 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 648 hss.satisfied_signals); | |
| 649 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 650 hss.satisfiable_signals); | |
| 651 | |
| 652 // Read from "local_mp", port 1. | |
| 653 memset(read_buffer, 0, sizeof(read_buffer)); | |
| 654 read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 655 EXPECT_EQ(MOJO_RESULT_OK, | |
| 656 local_mp->ReadMessage(1, | |
| 657 UserPointer<void>(read_buffer), | |
| 658 MakeUserPointer(&read_buffer_size), | |
| 659 nullptr, | |
| 660 nullptr, | |
| 661 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 662 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(read_buffer_size)); | |
| 663 EXPECT_STREQ(kHello, read_buffer); | |
| 664 | |
| 665 // TODO(vtl): Also test that messages queued up before the handle was sent are | |
| 666 // delivered properly. | |
| 667 | |
| 668 // Close everything that belongs to us. | |
| 669 mp0->Close(0); | |
| 670 mp1->Close(1); | |
| 671 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); | |
| 672 // Note that |local_mp|'s port 0 belong to |dispatcher|, which was closed. | |
| 673 local_mp->Close(1); | |
| 674 } | |
| 675 | |
| 676 #if defined(OS_POSIX) | |
| 677 #define MAYBE_SharedBufferPassing SharedBufferPassing | |
| 678 #else | |
| 679 // Not yet implemented (on Windows). | |
| 680 #define MAYBE_SharedBufferPassing DISABLED_SharedBufferPassing | |
| 681 #endif | |
| 682 TEST_F(RemoteMessagePipeTest, MAYBE_SharedBufferPassing) { | |
| 683 static const char kHello[] = "hello"; | |
| 684 Waiter waiter; | |
| 685 HandleSignalsState hss; | |
| 686 uint32_t context = 0; | |
| 687 | |
| 688 scoped_refptr<ChannelEndpoint> ep0; | |
| 689 scoped_refptr<MessagePipe> mp0(MessagePipe::CreateLocalProxy(&ep0)); | |
| 690 scoped_refptr<ChannelEndpoint> ep1; | |
| 691 scoped_refptr<MessagePipe> mp1(MessagePipe::CreateProxyLocal(&ep1)); | |
| 692 ConnectChannelEndpoints(ep0, ep1); | |
| 693 | |
| 694 // We'll try to pass this dispatcher. | |
| 695 scoped_refptr<SharedBufferDispatcher> dispatcher; | |
| 696 EXPECT_EQ(MOJO_RESULT_OK, | |
| 697 SharedBufferDispatcher::Create( | |
| 698 platform_support(), | |
| 699 SharedBufferDispatcher::kDefaultCreateOptions, | |
| 700 100, | |
| 701 &dispatcher)); | |
| 702 ASSERT_TRUE(dispatcher.get()); | |
| 703 | |
| 704 // Make a mapping. | |
| 705 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping0; | |
| 706 EXPECT_EQ( | |
| 707 MOJO_RESULT_OK, | |
| 708 dispatcher->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping0)); | |
| 709 ASSERT_TRUE(mapping0); | |
| 710 ASSERT_TRUE(mapping0->GetBase()); | |
| 711 ASSERT_EQ(100u, mapping0->GetLength()); | |
| 712 static_cast<char*>(mapping0->GetBase())[0] = 'A'; | |
| 713 static_cast<char*>(mapping0->GetBase())[50] = 'B'; | |
| 714 static_cast<char*>(mapping0->GetBase())[99] = 'C'; | |
| 715 | |
| 716 // Prepare to wait on MP 1, port 1. (Add the waiter now. Otherwise, if we do | |
| 717 // it later, it might already be readable.) | |
| 718 waiter.Init(); | |
| 719 ASSERT_EQ( | |
| 720 MOJO_RESULT_OK, | |
| 721 mp1->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 123, nullptr)); | |
| 722 | |
| 723 // Write to MP 0, port 0. | |
| 724 { | |
| 725 DispatcherTransport transport( | |
| 726 test::DispatcherTryStartTransport(dispatcher.get())); | |
| 727 EXPECT_TRUE(transport.is_valid()); | |
| 728 | |
| 729 std::vector<DispatcherTransport> transports; | |
| 730 transports.push_back(transport); | |
| 731 EXPECT_EQ(MOJO_RESULT_OK, | |
| 732 mp0->WriteMessage(0, | |
| 733 UserPointer<const void>(kHello), | |
| 734 sizeof(kHello), | |
| 735 &transports, | |
| 736 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 737 transport.End(); | |
| 738 | |
| 739 // |dispatcher| should have been closed. This is |DCHECK()|ed when the | |
| 740 // |dispatcher| is destroyed. | |
| 741 EXPECT_TRUE(dispatcher->HasOneRef()); | |
| 742 dispatcher = nullptr; | |
| 743 } | |
| 744 | |
| 745 // Wait. | |
| 746 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 747 EXPECT_EQ(123u, context); | |
| 748 hss = HandleSignalsState(); | |
| 749 mp1->RemoveWaiter(1, &waiter, &hss); | |
| 750 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 751 hss.satisfied_signals); | |
| 752 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 753 hss.satisfiable_signals); | |
| 754 | |
| 755 // Read from MP 1, port 1. | |
| 756 char read_buffer[100] = {0}; | |
| 757 uint32_t read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 758 DispatcherVector read_dispatchers; | |
| 759 uint32_t read_num_dispatchers = 10; // Maximum to get. | |
| 760 EXPECT_EQ(MOJO_RESULT_OK, | |
| 761 mp1->ReadMessage(1, | |
| 762 UserPointer<void>(read_buffer), | |
| 763 MakeUserPointer(&read_buffer_size), | |
| 764 &read_dispatchers, | |
| 765 &read_num_dispatchers, | |
| 766 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 767 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(read_buffer_size)); | |
| 768 EXPECT_STREQ(kHello, read_buffer); | |
| 769 EXPECT_EQ(1u, read_dispatchers.size()); | |
| 770 EXPECT_EQ(1u, read_num_dispatchers); | |
| 771 ASSERT_TRUE(read_dispatchers[0].get()); | |
| 772 EXPECT_TRUE(read_dispatchers[0]->HasOneRef()); | |
| 773 | |
| 774 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, read_dispatchers[0]->GetType()); | |
| 775 dispatcher = static_cast<SharedBufferDispatcher*>(read_dispatchers[0].get()); | |
| 776 | |
| 777 // Make another mapping. | |
| 778 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping1; | |
| 779 EXPECT_EQ( | |
| 780 MOJO_RESULT_OK, | |
| 781 dispatcher->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping1)); | |
| 782 ASSERT_TRUE(mapping1); | |
| 783 ASSERT_TRUE(mapping1->GetBase()); | |
| 784 ASSERT_EQ(100u, mapping1->GetLength()); | |
| 785 EXPECT_NE(mapping1->GetBase(), mapping0->GetBase()); | |
| 786 EXPECT_EQ('A', static_cast<char*>(mapping1->GetBase())[0]); | |
| 787 EXPECT_EQ('B', static_cast<char*>(mapping1->GetBase())[50]); | |
| 788 EXPECT_EQ('C', static_cast<char*>(mapping1->GetBase())[99]); | |
| 789 | |
| 790 // Write stuff either way. | |
| 791 static_cast<char*>(mapping1->GetBase())[1] = 'x'; | |
| 792 EXPECT_EQ('x', static_cast<char*>(mapping0->GetBase())[1]); | |
| 793 static_cast<char*>(mapping0->GetBase())[2] = 'y'; | |
| 794 EXPECT_EQ('y', static_cast<char*>(mapping1->GetBase())[2]); | |
| 795 | |
| 796 // Kill the first mapping; the second should still be valid. | |
| 797 mapping0.reset(); | |
| 798 EXPECT_EQ('A', static_cast<char*>(mapping1->GetBase())[0]); | |
| 799 | |
| 800 // Close everything that belongs to us. | |
| 801 mp0->Close(0); | |
| 802 mp1->Close(1); | |
| 803 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); | |
| 804 | |
| 805 // The second mapping should still be good. | |
| 806 EXPECT_EQ('x', static_cast<char*>(mapping1->GetBase())[1]); | |
| 807 } | |
| 808 | |
| 809 #if defined(OS_POSIX) | |
| 810 #define MAYBE_PlatformHandlePassing PlatformHandlePassing | |
| 811 #else | |
| 812 // Not yet implemented (on Windows). | |
| 813 #define MAYBE_PlatformHandlePassing DISABLED_PlatformHandlePassing | |
| 814 #endif | |
| 815 TEST_F(RemoteMessagePipeTest, MAYBE_PlatformHandlePassing) { | |
| 816 base::ScopedTempDir temp_dir; | |
| 817 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 818 | |
| 819 static const char kHello[] = "hello"; | |
| 820 static const char kWorld[] = "world"; | |
| 821 Waiter waiter; | |
| 822 uint32_t context = 0; | |
| 823 HandleSignalsState hss; | |
| 824 | |
| 825 scoped_refptr<ChannelEndpoint> ep0; | |
| 826 scoped_refptr<MessagePipe> mp0(MessagePipe::CreateLocalProxy(&ep0)); | |
| 827 scoped_refptr<ChannelEndpoint> ep1; | |
| 828 scoped_refptr<MessagePipe> mp1(MessagePipe::CreateProxyLocal(&ep1)); | |
| 829 ConnectChannelEndpoints(ep0, ep1); | |
| 830 | |
| 831 base::FilePath unused; | |
| 832 base::ScopedFILE fp( | |
| 833 CreateAndOpenTemporaryFileInDir(temp_dir.path(), &unused)); | |
| 834 EXPECT_EQ(sizeof(kHello), fwrite(kHello, 1, sizeof(kHello), fp.get())); | |
| 835 // We'll try to pass this dispatcher, which will cause a |PlatformHandle| to | |
| 836 // be passed. | |
| 837 scoped_refptr<PlatformHandleDispatcher> dispatcher( | |
| 838 new PlatformHandleDispatcher( | |
| 839 mojo::test::PlatformHandleFromFILE(fp.Pass()))); | |
| 840 | |
| 841 // Prepare to wait on MP 1, port 1. (Add the waiter now. Otherwise, if we do | |
| 842 // it later, it might already be readable.) | |
| 843 waiter.Init(); | |
| 844 ASSERT_EQ( | |
| 845 MOJO_RESULT_OK, | |
| 846 mp1->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 123, nullptr)); | |
| 847 | |
| 848 // Write to MP 0, port 0. | |
| 849 { | |
| 850 DispatcherTransport transport( | |
| 851 test::DispatcherTryStartTransport(dispatcher.get())); | |
| 852 EXPECT_TRUE(transport.is_valid()); | |
| 853 | |
| 854 std::vector<DispatcherTransport> transports; | |
| 855 transports.push_back(transport); | |
| 856 EXPECT_EQ(MOJO_RESULT_OK, | |
| 857 mp0->WriteMessage(0, | |
| 858 UserPointer<const void>(kWorld), | |
| 859 sizeof(kWorld), | |
| 860 &transports, | |
| 861 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 862 transport.End(); | |
| 863 | |
| 864 // |dispatcher| should have been closed. This is |DCHECK()|ed when the | |
| 865 // |dispatcher| is destroyed. | |
| 866 EXPECT_TRUE(dispatcher->HasOneRef()); | |
| 867 dispatcher = nullptr; | |
| 868 } | |
| 869 | |
| 870 // Wait. | |
| 871 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 872 EXPECT_EQ(123u, context); | |
| 873 hss = HandleSignalsState(); | |
| 874 mp1->RemoveWaiter(1, &waiter, &hss); | |
| 875 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 876 hss.satisfied_signals); | |
| 877 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 878 hss.satisfiable_signals); | |
| 879 | |
| 880 // Read from MP 1, port 1. | |
| 881 char read_buffer[100] = {0}; | |
| 882 uint32_t read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 883 DispatcherVector read_dispatchers; | |
| 884 uint32_t read_num_dispatchers = 10; // Maximum to get. | |
| 885 EXPECT_EQ(MOJO_RESULT_OK, | |
| 886 mp1->ReadMessage(1, | |
| 887 UserPointer<void>(read_buffer), | |
| 888 MakeUserPointer(&read_buffer_size), | |
| 889 &read_dispatchers, | |
| 890 &read_num_dispatchers, | |
| 891 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 892 EXPECT_EQ(sizeof(kWorld), static_cast<size_t>(read_buffer_size)); | |
| 893 EXPECT_STREQ(kWorld, read_buffer); | |
| 894 EXPECT_EQ(1u, read_dispatchers.size()); | |
| 895 EXPECT_EQ(1u, read_num_dispatchers); | |
| 896 ASSERT_TRUE(read_dispatchers[0].get()); | |
| 897 EXPECT_TRUE(read_dispatchers[0]->HasOneRef()); | |
| 898 | |
| 899 EXPECT_EQ(Dispatcher::kTypePlatformHandle, read_dispatchers[0]->GetType()); | |
| 900 dispatcher = | |
| 901 static_cast<PlatformHandleDispatcher*>(read_dispatchers[0].get()); | |
| 902 | |
| 903 embedder::ScopedPlatformHandle h = dispatcher->PassPlatformHandle().Pass(); | |
| 904 EXPECT_TRUE(h.is_valid()); | |
| 905 | |
| 906 fp = mojo::test::FILEFromPlatformHandle(h.Pass(), "rb").Pass(); | |
| 907 EXPECT_FALSE(h.is_valid()); | |
| 908 EXPECT_TRUE(fp); | |
| 909 | |
| 910 rewind(fp.get()); | |
| 911 memset(read_buffer, 0, sizeof(read_buffer)); | |
| 912 EXPECT_EQ(sizeof(kHello), | |
| 913 fread(read_buffer, 1, sizeof(read_buffer), fp.get())); | |
| 914 EXPECT_STREQ(kHello, read_buffer); | |
| 915 | |
| 916 // Close everything that belongs to us. | |
| 917 mp0->Close(0); | |
| 918 mp1->Close(1); | |
| 919 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); | |
| 920 } | |
| 921 | |
| 922 // Test racing closes (on each end). | |
| 923 // Note: A flaky failure would almost certainly indicate a problem in the code | |
| 924 // itself (not in the test). Also, any logged warnings/errors would also | |
| 925 // probably be indicative of bugs. | |
| 926 TEST_F(RemoteMessagePipeTest, RacingClosesStress) { | |
| 927 base::TimeDelta delay = base::TimeDelta::FromMilliseconds(5); | |
| 928 | |
| 929 for (unsigned i = 0; i < 256; i++) { | |
| 930 DVLOG(2) << "---------------------------------------- " << i; | |
| 931 scoped_refptr<ChannelEndpoint> ep0; | |
| 932 scoped_refptr<MessagePipe> mp0(MessagePipe::CreateLocalProxy(&ep0)); | |
| 933 BootstrapChannelEndpointNoWait(0, ep0); | |
| 934 | |
| 935 scoped_refptr<ChannelEndpoint> ep1; | |
| 936 scoped_refptr<MessagePipe> mp1(MessagePipe::CreateProxyLocal(&ep1)); | |
| 937 BootstrapChannelEndpointNoWait(1, ep1); | |
| 938 | |
| 939 if (i & 1u) { | |
| 940 io_thread()->task_runner()->PostTask( | |
| 941 FROM_HERE, base::Bind(&base::PlatformThread::Sleep, delay)); | |
| 942 } | |
| 943 if (i & 2u) | |
| 944 base::PlatformThread::Sleep(delay); | |
| 945 | |
| 946 mp0->Close(0); | |
| 947 | |
| 948 if (i & 4u) { | |
| 949 io_thread()->task_runner()->PostTask( | |
| 950 FROM_HERE, base::Bind(&base::PlatformThread::Sleep, delay)); | |
| 951 } | |
| 952 if (i & 8u) | |
| 953 base::PlatformThread::Sleep(delay); | |
| 954 | |
| 955 mp1->Close(1); | |
| 956 | |
| 957 RestoreInitialState(); | |
| 958 } | |
| 959 } | |
| 960 | |
| 961 // Tests passing an end of a message pipe over a remote message pipe, and then | |
| 962 // passing that end back. | |
| 963 // TODO(vtl): Also test passing a message pipe across two remote message pipes. | |
| 964 TEST_F(RemoteMessagePipeTest, PassMessagePipeHandleAcrossAndBack) { | |
| 965 static const char kHello[] = "hello"; | |
| 966 static const char kWorld[] = "world"; | |
| 967 Waiter waiter; | |
| 968 HandleSignalsState hss; | |
| 969 uint32_t context = 0; | |
| 970 | |
| 971 scoped_refptr<ChannelEndpoint> ep0; | |
| 972 scoped_refptr<MessagePipe> mp0(MessagePipe::CreateLocalProxy(&ep0)); | |
| 973 scoped_refptr<ChannelEndpoint> ep1; | |
| 974 scoped_refptr<MessagePipe> mp1(MessagePipe::CreateProxyLocal(&ep1)); | |
| 975 ConnectChannelEndpoints(ep0, ep1); | |
| 976 | |
| 977 // We'll try to pass this dispatcher. | |
| 978 scoped_refptr<MessagePipeDispatcher> dispatcher( | |
| 979 new MessagePipeDispatcher(MessagePipeDispatcher::kDefaultCreateOptions)); | |
| 980 scoped_refptr<MessagePipe> local_mp(MessagePipe::CreateLocalLocal()); | |
| 981 dispatcher->Init(local_mp, 0); | |
| 982 | |
| 983 // Prepare to wait on MP 1, port 1. (Add the waiter now. Otherwise, if we do | |
| 984 // it later, it might already be readable.) | |
| 985 waiter.Init(); | |
| 986 ASSERT_EQ( | |
| 987 MOJO_RESULT_OK, | |
| 988 mp1->AddWaiter(1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 123, nullptr)); | |
| 989 | |
| 990 // Write to MP 0, port 0. | |
| 991 { | |
| 992 DispatcherTransport transport( | |
| 993 test::DispatcherTryStartTransport(dispatcher.get())); | |
| 994 EXPECT_TRUE(transport.is_valid()); | |
| 995 | |
| 996 std::vector<DispatcherTransport> transports; | |
| 997 transports.push_back(transport); | |
| 998 EXPECT_EQ(MOJO_RESULT_OK, | |
| 999 mp0->WriteMessage(0, | |
| 1000 UserPointer<const void>(kHello), | |
| 1001 sizeof(kHello), | |
| 1002 &transports, | |
| 1003 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1004 transport.End(); | |
| 1005 | |
| 1006 // |dispatcher| should have been closed. This is |DCHECK()|ed when the | |
| 1007 // |dispatcher| is destroyed. | |
| 1008 EXPECT_TRUE(dispatcher->HasOneRef()); | |
| 1009 dispatcher = nullptr; | |
| 1010 } | |
| 1011 | |
| 1012 // Wait. | |
| 1013 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 1014 EXPECT_EQ(123u, context); | |
| 1015 hss = HandleSignalsState(); | |
| 1016 mp1->RemoveWaiter(1, &waiter, &hss); | |
| 1017 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1018 hss.satisfied_signals); | |
| 1019 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1020 hss.satisfiable_signals); | |
| 1021 | |
| 1022 // Read from MP 1, port 1. | |
| 1023 char read_buffer[100] = {0}; | |
| 1024 uint32_t read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 1025 DispatcherVector read_dispatchers; | |
| 1026 uint32_t read_num_dispatchers = 10; // Maximum to get. | |
| 1027 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1028 mp1->ReadMessage(1, | |
| 1029 UserPointer<void>(read_buffer), | |
| 1030 MakeUserPointer(&read_buffer_size), | |
| 1031 &read_dispatchers, | |
| 1032 &read_num_dispatchers, | |
| 1033 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1034 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(read_buffer_size)); | |
| 1035 EXPECT_STREQ(kHello, read_buffer); | |
| 1036 EXPECT_EQ(1u, read_dispatchers.size()); | |
| 1037 EXPECT_EQ(1u, read_num_dispatchers); | |
| 1038 ASSERT_TRUE(read_dispatchers[0].get()); | |
| 1039 EXPECT_TRUE(read_dispatchers[0]->HasOneRef()); | |
| 1040 | |
| 1041 EXPECT_EQ(Dispatcher::kTypeMessagePipe, read_dispatchers[0]->GetType()); | |
| 1042 dispatcher = static_cast<MessagePipeDispatcher*>(read_dispatchers[0].get()); | |
| 1043 read_dispatchers.clear(); | |
| 1044 | |
| 1045 // Now pass it back. | |
| 1046 | |
| 1047 // Prepare to wait on MP 0, port 0. (Add the waiter now. Otherwise, if we do | |
| 1048 // it later, it might already be readable.) | |
| 1049 waiter.Init(); | |
| 1050 ASSERT_EQ( | |
| 1051 MOJO_RESULT_OK, | |
| 1052 mp0->AddWaiter(0, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 456, nullptr)); | |
| 1053 | |
| 1054 // Write to MP 1, port 1. | |
| 1055 { | |
| 1056 DispatcherTransport transport( | |
| 1057 test::DispatcherTryStartTransport(dispatcher.get())); | |
| 1058 EXPECT_TRUE(transport.is_valid()); | |
| 1059 | |
| 1060 std::vector<DispatcherTransport> transports; | |
| 1061 transports.push_back(transport); | |
| 1062 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1063 mp1->WriteMessage(1, | |
| 1064 UserPointer<const void>(kWorld), | |
| 1065 sizeof(kWorld), | |
| 1066 &transports, | |
| 1067 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1068 transport.End(); | |
| 1069 | |
| 1070 // |dispatcher| should have been closed. This is |DCHECK()|ed when the | |
| 1071 // |dispatcher| is destroyed. | |
| 1072 EXPECT_TRUE(dispatcher->HasOneRef()); | |
| 1073 dispatcher = nullptr; | |
| 1074 } | |
| 1075 | |
| 1076 // Wait. | |
| 1077 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 1078 EXPECT_EQ(456u, context); | |
| 1079 hss = HandleSignalsState(); | |
| 1080 mp0->RemoveWaiter(0, &waiter, &hss); | |
| 1081 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1082 hss.satisfied_signals); | |
| 1083 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1084 hss.satisfiable_signals); | |
| 1085 | |
| 1086 // Read from MP 0, port 0. | |
| 1087 read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 1088 read_num_dispatchers = 10; // Maximum to get. | |
| 1089 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1090 mp0->ReadMessage(0, | |
| 1091 UserPointer<void>(read_buffer), | |
| 1092 MakeUserPointer(&read_buffer_size), | |
| 1093 &read_dispatchers, | |
| 1094 &read_num_dispatchers, | |
| 1095 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1096 EXPECT_EQ(sizeof(kWorld), static_cast<size_t>(read_buffer_size)); | |
| 1097 EXPECT_STREQ(kWorld, read_buffer); | |
| 1098 EXPECT_EQ(1u, read_dispatchers.size()); | |
| 1099 EXPECT_EQ(1u, read_num_dispatchers); | |
| 1100 ASSERT_TRUE(read_dispatchers[0].get()); | |
| 1101 EXPECT_TRUE(read_dispatchers[0]->HasOneRef()); | |
| 1102 | |
| 1103 EXPECT_EQ(Dispatcher::kTypeMessagePipe, read_dispatchers[0]->GetType()); | |
| 1104 dispatcher = static_cast<MessagePipeDispatcher*>(read_dispatchers[0].get()); | |
| 1105 read_dispatchers.clear(); | |
| 1106 | |
| 1107 // Add the waiter now, before it becomes readable to avoid a race. | |
| 1108 waiter.Init(); | |
| 1109 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1110 dispatcher->AddWaiter( | |
| 1111 &waiter, MOJO_HANDLE_SIGNAL_READABLE, 789, nullptr)); | |
| 1112 | |
| 1113 // Write to "local_mp", port 1. | |
| 1114 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1115 local_mp->WriteMessage(1, | |
| 1116 UserPointer<const void>(kHello), | |
| 1117 sizeof(kHello), | |
| 1118 nullptr, | |
| 1119 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1120 | |
| 1121 // Wait for the dispatcher to become readable. | |
| 1122 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 1123 EXPECT_EQ(789u, context); | |
| 1124 hss = HandleSignalsState(); | |
| 1125 dispatcher->RemoveWaiter(&waiter, &hss); | |
| 1126 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1127 hss.satisfied_signals); | |
| 1128 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1129 hss.satisfiable_signals); | |
| 1130 | |
| 1131 // Read from the dispatcher. | |
| 1132 memset(read_buffer, 0, sizeof(read_buffer)); | |
| 1133 read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 1134 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1135 dispatcher->ReadMessage(UserPointer<void>(read_buffer), | |
| 1136 MakeUserPointer(&read_buffer_size), | |
| 1137 0, | |
| 1138 nullptr, | |
| 1139 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1140 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(read_buffer_size)); | |
| 1141 EXPECT_STREQ(kHello, read_buffer); | |
| 1142 | |
| 1143 // Prepare to wait on "local_mp", port 1. | |
| 1144 waiter.Init(); | |
| 1145 ASSERT_EQ(MOJO_RESULT_OK, | |
| 1146 local_mp->AddWaiter( | |
| 1147 1, &waiter, MOJO_HANDLE_SIGNAL_READABLE, 789, nullptr)); | |
| 1148 | |
| 1149 // Write to the dispatcher. | |
| 1150 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1151 dispatcher->WriteMessage(UserPointer<const void>(kHello), | |
| 1152 sizeof(kHello), | |
| 1153 nullptr, | |
| 1154 MOJO_WRITE_MESSAGE_FLAG_NONE)); | |
| 1155 | |
| 1156 // Wait. | |
| 1157 EXPECT_EQ(MOJO_RESULT_OK, waiter.Wait(MOJO_DEADLINE_INDEFINITE, &context)); | |
| 1158 EXPECT_EQ(789u, context); | |
| 1159 hss = HandleSignalsState(); | |
| 1160 local_mp->RemoveWaiter(1, &waiter, &hss); | |
| 1161 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1162 hss.satisfied_signals); | |
| 1163 EXPECT_EQ(MOJO_HANDLE_SIGNAL_READABLE | MOJO_HANDLE_SIGNAL_WRITABLE, | |
| 1164 hss.satisfiable_signals); | |
| 1165 | |
| 1166 // Read from "local_mp", port 1. | |
| 1167 memset(read_buffer, 0, sizeof(read_buffer)); | |
| 1168 read_buffer_size = static_cast<uint32_t>(sizeof(read_buffer)); | |
| 1169 EXPECT_EQ(MOJO_RESULT_OK, | |
| 1170 local_mp->ReadMessage(1, | |
| 1171 UserPointer<void>(read_buffer), | |
| 1172 MakeUserPointer(&read_buffer_size), | |
| 1173 nullptr, | |
| 1174 nullptr, | |
| 1175 MOJO_READ_MESSAGE_FLAG_NONE)); | |
| 1176 EXPECT_EQ(sizeof(kHello), static_cast<size_t>(read_buffer_size)); | |
| 1177 EXPECT_STREQ(kHello, read_buffer); | |
| 1178 | |
| 1179 // TODO(vtl): Also test the cases where messages are written and read (at | |
| 1180 // various points) on the message pipe being passed around. | |
| 1181 | |
| 1182 // Close everything that belongs to us. | |
| 1183 mp0->Close(0); | |
| 1184 mp1->Close(1); | |
| 1185 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); | |
| 1186 // Note that |local_mp|'s port 0 belong to |dispatcher|, which was closed. | |
| 1187 local_mp->Close(1); | |
| 1188 } | |
| 1189 | |
| 1190 } // namespace | |
| 1191 } // namespace system | |
| 1192 } // namespace mojo | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 623883002:
Revert "Move mojo edk into mojo/edk" (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master