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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 "chrome/browser/media/webrtc_rtp_dump_handler.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <memory> | |
| 11 #include <utility> | |
| 12 | |
| 13 #include "base/bind.h" | |
| 14 #include "base/files/file_util.h" | |
| 15 #include "base/files/scoped_temp_dir.h" | |
| 16 #include "base/location.h" | |
| 17 #include "base/macros.h" | |
| 18 #include "base/run_loop.h" | |
| 19 #include "base/single_thread_task_runner.h" | |
| 20 #include "base/threading/thread_task_runner_handle.h" | |
| 21 #include "chrome/browser/media/webrtc_rtp_dump_writer.h" | |
| 22 #include "content/public/test/test_browser_thread_bundle.h" | |
| 23 #include "testing/gmock/include/gmock/gmock.h" | |
| 24 #include "testing/gtest/include/gtest/gtest.h" | |
| 25 | |
| 26 class FakeDumpWriter : public WebRtcRtpDumpWriter { | |
| 27 public: | |
| 28 FakeDumpWriter(size_t max_dump_size, | |
| 29 const base::Closure& max_size_reached_callback, | |
| 30 bool end_dump_success) | |
| 31 : WebRtcRtpDumpWriter(base::FilePath(), | |
| 32 base::FilePath(), | |
| 33 max_dump_size, | |
| 34 base::Closure()), | |
| 35 max_dump_size_(max_dump_size), | |
| 36 current_dump_size_(0), | |
| 37 max_size_reached_callback_(max_size_reached_callback), | |
| 38 end_dump_success_(end_dump_success) {} | |
| 39 | |
| 40 void WriteRtpPacket(const uint8_t* packet_header, | |
| 41 size_t header_length, | |
| 42 size_t packet_length, | |
| 43 bool incoming) override { | |
| 44 current_dump_size_ += header_length; | |
| 45 if (current_dump_size_ > max_dump_size_) | |
| 46 max_size_reached_callback_.Run(); | |
| 47 } | |
| 48 | |
| 49 void EndDump(RtpDumpType type, | |
| 50 const EndDumpCallback& finished_callback) override { | |
| 51 bool incoming_success = end_dump_success_; | |
| 52 bool outgoing_success = end_dump_success_; | |
| 53 | |
| 54 if (type == RTP_DUMP_INCOMING) | |
| 55 outgoing_success = false; | |
| 56 else if (type == RTP_DUMP_OUTGOING) | |
| 57 incoming_success = false; | |
| 58 | |
| 59 base::ThreadTaskRunnerHandle::Get()->PostTask( | |
| 60 FROM_HERE, | |
| 61 base::Bind(finished_callback, incoming_success, outgoing_success)); | |
| 62 } | |
| 63 | |
| 64 private: | |
| 65 size_t max_dump_size_; | |
| 66 size_t current_dump_size_; | |
| 67 base::Closure max_size_reached_callback_; | |
| 68 bool end_dump_success_; | |
| 69 }; | |
| 70 | |
| 71 class WebRtcRtpDumpHandlerTest : public testing::Test { | |
| 72 public: | |
| 73 WebRtcRtpDumpHandlerTest() | |
| 74 : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) { | |
| 75 ResetDumpHandler(base::FilePath(), true); | |
| 76 } | |
| 77 | |
| 78 void ResetDumpHandler(const base::FilePath& dir, bool end_dump_success) { | |
| 79 handler_.reset(new WebRtcRtpDumpHandler( | |
| 80 dir.empty() ? base::FilePath(FILE_PATH_LITERAL("dummy")) : dir)); | |
| 81 | |
| 82 std::unique_ptr<WebRtcRtpDumpWriter> writer(new FakeDumpWriter( | |
| 83 10, base::Bind(&WebRtcRtpDumpHandler::OnMaxDumpSizeReached, | |
| 84 base::Unretained(handler_.get())), | |
| 85 end_dump_success)); | |
| 86 | |
| 87 handler_->SetDumpWriterForTesting(std::move(writer)); | |
| 88 } | |
| 89 | |
| 90 void DeleteDumpHandler() { handler_.reset(); } | |
| 91 | |
| 92 void WriteFakeDumpFiles(const base::FilePath& dir, | |
| 93 base::FilePath* incoming_dump, | |
| 94 base::FilePath* outgoing_dump) { | |
| 95 *incoming_dump = dir.AppendASCII("recv"); | |
| 96 *outgoing_dump = dir.AppendASCII("send"); | |
| 97 const char dummy[] = "dummy"; | |
| 98 EXPECT_GT(base::WriteFile(*incoming_dump, dummy, arraysize(dummy)), 0); | |
| 99 EXPECT_GT(base::WriteFile(*outgoing_dump, dummy, arraysize(dummy)), 0); | |
| 100 } | |
| 101 | |
| 102 MOCK_METHOD2(OnStopDumpFinished, | |
| 103 void(bool success, const std::string& error)); | |
| 104 | |
| 105 MOCK_METHOD0(OnStopOngoingDumpsFinished, void(void)); | |
| 106 | |
| 107 protected: | |
| 108 content::TestBrowserThreadBundle thread_bundle_; | |
| 109 std::unique_ptr<WebRtcRtpDumpHandler> handler_; | |
| 110 }; | |
| 111 | |
| 112 TEST_F(WebRtcRtpDumpHandlerTest, StateTransition) { | |
| 113 std::string error; | |
| 114 | |
| 115 RtpDumpType types[3]; | |
| 116 types[0] = RTP_DUMP_INCOMING; | |
| 117 types[1] = RTP_DUMP_OUTGOING; | |
| 118 types[2] = RTP_DUMP_BOTH; | |
| 119 | |
| 120 for (size_t i = 0; i < arraysize(types); ++i) { | |
| 121 DVLOG(2) << "Verifying state transition: type = " << types[i]; | |
| 122 | |
| 123 // Only StartDump is allowed in STATE_NONE. | |
| 124 EXPECT_CALL(*this, OnStopDumpFinished(false, testing::_)); | |
| 125 handler_->StopDump(types[i], | |
| 126 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 127 base::Unretained(this))); | |
| 128 | |
| 129 WebRtcRtpDumpHandler::ReleasedDumps empty_dumps(handler_->ReleaseDumps()); | |
| 130 EXPECT_TRUE(empty_dumps.incoming_dump_path.empty()); | |
| 131 EXPECT_TRUE(empty_dumps.outgoing_dump_path.empty()); | |
| 132 EXPECT_TRUE(handler_->StartDump(types[i], &error)); | |
| 133 base::RunLoop().RunUntilIdle(); | |
| 134 | |
| 135 // Only StopDump is allowed in STATE_STARTED. | |
| 136 EXPECT_FALSE(handler_->StartDump(types[i], &error)); | |
| 137 EXPECT_FALSE(handler_->ReadyToRelease()); | |
| 138 | |
| 139 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)); | |
| 140 handler_->StopDump(types[i], | |
| 141 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 142 base::Unretained(this))); | |
| 143 base::RunLoop().RunUntilIdle(); | |
| 144 | |
| 145 // Only ReleaseDump is allowed in STATE_STOPPED. | |
| 146 EXPECT_FALSE(handler_->StartDump(types[i], &error)); | |
| 147 | |
| 148 EXPECT_CALL(*this, OnStopDumpFinished(false, testing::_)); | |
| 149 handler_->StopDump(types[i], | |
| 150 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 151 base::Unretained(this))); | |
| 152 EXPECT_TRUE(handler_->ReadyToRelease()); | |
| 153 | |
| 154 WebRtcRtpDumpHandler::ReleasedDumps dumps(handler_->ReleaseDumps()); | |
| 155 if (types[i] == RTP_DUMP_INCOMING || types[i] == RTP_DUMP_BOTH) | |
| 156 EXPECT_FALSE(dumps.incoming_dump_path.empty()); | |
| 157 | |
| 158 if (types[i] == RTP_DUMP_OUTGOING || types[i] == RTP_DUMP_BOTH) | |
| 159 EXPECT_FALSE(dumps.outgoing_dump_path.empty()); | |
| 160 | |
| 161 base::RunLoop().RunUntilIdle(); | |
| 162 ResetDumpHandler(base::FilePath(), true); | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 TEST_F(WebRtcRtpDumpHandlerTest, StoppedWhenMaxSizeReached) { | |
| 167 std::string error; | |
| 168 | |
| 169 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_INCOMING, &error)); | |
| 170 | |
| 171 std::vector<uint8_t> buffer(100, 0); | |
| 172 handler_->OnRtpPacket(&buffer[0], buffer.size(), buffer.size(), true); | |
| 173 base::RunLoop().RunUntilIdle(); | |
| 174 | |
| 175 // Dumping should have been stopped, so ready to release. | |
| 176 WebRtcRtpDumpHandler::ReleasedDumps dumps = handler_->ReleaseDumps(); | |
| 177 EXPECT_FALSE(dumps.incoming_dump_path.empty()); | |
| 178 } | |
| 179 | |
| 180 TEST_F(WebRtcRtpDumpHandlerTest, PacketIgnoredIfDumpingNotStarted) { | |
| 181 std::vector<uint8_t> buffer(100, 0); | |
| 182 handler_->OnRtpPacket(&buffer[0], buffer.size(), buffer.size(), true); | |
| 183 handler_->OnRtpPacket(&buffer[0], buffer.size(), buffer.size(), false); | |
| 184 base::RunLoop().RunUntilIdle(); | |
| 185 } | |
| 186 | |
| 187 TEST_F(WebRtcRtpDumpHandlerTest, PacketIgnoredIfDumpingStopped) { | |
| 188 std::string error; | |
| 189 | |
| 190 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_INCOMING, &error)); | |
| 191 | |
| 192 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)); | |
| 193 handler_->StopDump(RTP_DUMP_INCOMING, | |
| 194 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 195 base::Unretained(this))); | |
| 196 | |
| 197 std::vector<uint8_t> buffer(100, 0); | |
| 198 handler_->OnRtpPacket(&buffer[0], buffer.size(), buffer.size(), true); | |
| 199 base::RunLoop().RunUntilIdle(); | |
| 200 } | |
| 201 | |
| 202 TEST_F(WebRtcRtpDumpHandlerTest, CannotStartMoreThanFiveDumps) { | |
| 203 std::string error; | |
| 204 | |
| 205 handler_.reset(); | |
| 206 | |
| 207 std::unique_ptr<WebRtcRtpDumpHandler> handlers[6]; | |
| 208 | |
| 209 for (size_t i = 0; i < arraysize(handlers); ++i) { | |
| 210 handlers[i].reset(new WebRtcRtpDumpHandler(base::FilePath())); | |
| 211 | |
| 212 if (i < arraysize(handlers) - 1) { | |
| 213 EXPECT_TRUE(handlers[i]->StartDump(RTP_DUMP_INCOMING, &error)); | |
| 214 } else { | |
| 215 EXPECT_FALSE(handlers[i]->StartDump(RTP_DUMP_INCOMING, &error)); | |
| 216 } | |
| 217 } | |
| 218 } | |
| 219 | |
| 220 TEST_F(WebRtcRtpDumpHandlerTest, StartStopIncomingThenStartStopOutgoing) { | |
| 221 std::string error; | |
| 222 | |
| 223 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)).Times(2); | |
| 224 | |
| 225 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_INCOMING, &error)); | |
| 226 handler_->StopDump(RTP_DUMP_INCOMING, | |
| 227 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 228 base::Unretained(this))); | |
| 229 | |
| 230 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_OUTGOING, &error)); | |
| 231 handler_->StopDump(RTP_DUMP_OUTGOING, | |
| 232 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 233 base::Unretained(this))); | |
| 234 | |
| 235 base::RunLoop().RunUntilIdle(); | |
| 236 } | |
| 237 | |
| 238 TEST_F(WebRtcRtpDumpHandlerTest, StartIncomingStartOutgoingThenStopBoth) { | |
| 239 std::string error; | |
| 240 | |
| 241 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)); | |
| 242 | |
| 243 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_INCOMING, &error)); | |
| 244 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_OUTGOING, &error)); | |
| 245 | |
| 246 handler_->StopDump(RTP_DUMP_INCOMING, | |
| 247 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 248 base::Unretained(this))); | |
| 249 | |
| 250 base::RunLoop().RunUntilIdle(); | |
| 251 } | |
| 252 | |
| 253 TEST_F(WebRtcRtpDumpHandlerTest, StartBothThenStopIncomingStopOutgoing) { | |
| 254 std::string error; | |
| 255 | |
| 256 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)).Times(2); | |
| 257 | |
| 258 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_BOTH, &error)); | |
| 259 | |
| 260 handler_->StopDump(RTP_DUMP_INCOMING, | |
| 261 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 262 base::Unretained(this))); | |
| 263 handler_->StopDump(RTP_DUMP_OUTGOING, | |
| 264 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 265 base::Unretained(this))); | |
| 266 | |
| 267 base::RunLoop().RunUntilIdle(); | |
| 268 } | |
| 269 | |
| 270 TEST_F(WebRtcRtpDumpHandlerTest, DumpsCleanedUpIfNotReleased) { | |
| 271 base::ScopedTempDir temp_dir; | |
| 272 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 273 ResetDumpHandler(temp_dir.path(), true); | |
| 274 | |
| 275 base::FilePath incoming_dump, outgoing_dump; | |
| 276 WriteFakeDumpFiles(temp_dir.path(), &incoming_dump, &outgoing_dump); | |
| 277 | |
| 278 std::string error; | |
| 279 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_BOTH, &error)); | |
| 280 | |
| 281 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)); | |
| 282 handler_->StopDump(RTP_DUMP_BOTH, | |
| 283 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 284 base::Unretained(this))); | |
| 285 base::RunLoop().RunUntilIdle(); | |
| 286 | |
| 287 handler_.reset(); | |
| 288 base::RunLoop().RunUntilIdle(); | |
| 289 | |
| 290 EXPECT_FALSE(base::PathExists(incoming_dump)); | |
| 291 EXPECT_FALSE(base::PathExists(outgoing_dump)); | |
| 292 } | |
| 293 | |
| 294 TEST_F(WebRtcRtpDumpHandlerTest, DumpDeletedIfEndDumpFailed) { | |
| 295 base::ScopedTempDir temp_dir; | |
| 296 ASSERT_TRUE(temp_dir.CreateUniqueTempDir()); | |
| 297 | |
| 298 // Make the writer return failure on EndStream. | |
| 299 ResetDumpHandler(temp_dir.path(), false); | |
| 300 | |
| 301 base::FilePath incoming_dump, outgoing_dump; | |
| 302 WriteFakeDumpFiles(temp_dir.path(), &incoming_dump, &outgoing_dump); | |
| 303 | |
| 304 std::string error; | |
| 305 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_BOTH, &error)); | |
| 306 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)).Times(2); | |
| 307 | |
| 308 handler_->StopDump(RTP_DUMP_INCOMING, | |
| 309 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 310 base::Unretained(this))); | |
| 311 base::RunLoop().RunUntilIdle(); | |
| 312 | |
| 313 EXPECT_FALSE(base::PathExists(incoming_dump)); | |
| 314 EXPECT_TRUE(base::PathExists(outgoing_dump)); | |
| 315 | |
| 316 handler_->StopDump(RTP_DUMP_OUTGOING, | |
| 317 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 318 base::Unretained(this))); | |
| 319 base::RunLoop().RunUntilIdle(); | |
| 320 EXPECT_FALSE(base::PathExists(outgoing_dump)); | |
| 321 } | |
| 322 | |
| 323 TEST_F(WebRtcRtpDumpHandlerTest, StopOngoingDumpsWhileStoppingDumps) { | |
| 324 std::string error; | |
| 325 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_BOTH, &error)); | |
| 326 | |
| 327 testing::InSequence s; | |
| 328 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)); | |
| 329 EXPECT_CALL(*this, OnStopOngoingDumpsFinished()); | |
| 330 | |
| 331 handler_->StopDump(RTP_DUMP_BOTH, | |
| 332 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 333 base::Unretained(this))); | |
| 334 | |
| 335 handler_->StopOngoingDumps( | |
| 336 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopOngoingDumpsFinished, | |
| 337 base::Unretained(this))); | |
| 338 | |
| 339 base::RunLoop().RunUntilIdle(); | |
| 340 | |
| 341 WebRtcRtpDumpHandler::ReleasedDumps dumps(handler_->ReleaseDumps()); | |
| 342 EXPECT_FALSE(dumps.incoming_dump_path.empty()); | |
| 343 EXPECT_FALSE(dumps.outgoing_dump_path.empty()); | |
| 344 } | |
| 345 | |
| 346 TEST_F(WebRtcRtpDumpHandlerTest, StopOngoingDumpsWhileDumping) { | |
| 347 std::string error; | |
| 348 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_BOTH, &error)); | |
| 349 | |
| 350 EXPECT_CALL(*this, OnStopOngoingDumpsFinished()); | |
| 351 | |
| 352 handler_->StopOngoingDumps( | |
| 353 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopOngoingDumpsFinished, | |
| 354 base::Unretained(this))); | |
| 355 | |
| 356 base::RunLoop().RunUntilIdle(); | |
| 357 | |
| 358 WebRtcRtpDumpHandler::ReleasedDumps dumps(handler_->ReleaseDumps()); | |
| 359 EXPECT_FALSE(dumps.incoming_dump_path.empty()); | |
| 360 EXPECT_FALSE(dumps.outgoing_dump_path.empty()); | |
| 361 } | |
| 362 | |
| 363 TEST_F(WebRtcRtpDumpHandlerTest, StopOngoingDumpsWhenAlreadyStopped) { | |
| 364 std::string error; | |
| 365 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_BOTH, &error)); | |
| 366 | |
| 367 { | |
| 368 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)); | |
| 369 | |
| 370 handler_->StopDump(RTP_DUMP_BOTH, | |
| 371 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 372 base::Unretained(this))); | |
| 373 base::RunLoop().RunUntilIdle(); | |
| 374 } | |
| 375 | |
| 376 EXPECT_CALL(*this, OnStopOngoingDumpsFinished()); | |
| 377 handler_->StopOngoingDumps( | |
| 378 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopOngoingDumpsFinished, | |
| 379 base::Unretained(this))); | |
| 380 } | |
| 381 | |
| 382 TEST_F(WebRtcRtpDumpHandlerTest, StopOngoingDumpsWhileStoppingOneDump) { | |
| 383 std::string error; | |
| 384 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_BOTH, &error)); | |
| 385 | |
| 386 testing::InSequence s; | |
| 387 EXPECT_CALL(*this, OnStopDumpFinished(true, testing::_)); | |
| 388 EXPECT_CALL(*this, OnStopOngoingDumpsFinished()); | |
| 389 | |
| 390 handler_->StopDump(RTP_DUMP_INCOMING, | |
| 391 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopDumpFinished, | |
| 392 base::Unretained(this))); | |
| 393 | |
| 394 handler_->StopOngoingDumps( | |
| 395 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopOngoingDumpsFinished, | |
| 396 base::Unretained(this))); | |
| 397 | |
| 398 base::RunLoop().RunUntilIdle(); | |
| 399 | |
| 400 WebRtcRtpDumpHandler::ReleasedDumps dumps(handler_->ReleaseDumps()); | |
| 401 EXPECT_FALSE(dumps.incoming_dump_path.empty()); | |
| 402 EXPECT_FALSE(dumps.outgoing_dump_path.empty()); | |
| 403 } | |
| 404 | |
| 405 TEST_F(WebRtcRtpDumpHandlerTest, DeleteHandlerBeforeStopCallback) { | |
| 406 std::string error; | |
| 407 | |
| 408 EXPECT_CALL(*this, OnStopOngoingDumpsFinished()) | |
| 409 .WillOnce(testing::InvokeWithoutArgs( | |
| 410 this, &WebRtcRtpDumpHandlerTest::DeleteDumpHandler)); | |
| 411 | |
| 412 EXPECT_TRUE(handler_->StartDump(RTP_DUMP_BOTH, &error)); | |
| 413 | |
| 414 handler_->StopOngoingDumps( | |
| 415 base::Bind(&WebRtcRtpDumpHandlerTest::OnStopOngoingDumpsFinished, | |
| 416 base::Unretained(this))); | |
| 417 | |
| 418 base::RunLoop().RunUntilIdle(); | |
| 419 } | |
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