chrome/browser/media/webrtc_logging_handler_host.cc

   1 // Copyright 2013 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_logging_handler_host.h"
   6
   7 #include <string>
   8
   9 #include "base/bind.h"
  10 #include "base/command_line.h"
  11 #include "base/cpu.h"
  12 #include "base/files/file_util.h"
  13 #include "base/logging.h"
  14 #include "base/prefs/pref_service.h"
  15 #include "base/strings/string_number_conversions.h"
  16 #include "base/sys_info.h"
  17 #include "base/time/time.h"
  18 #include "chrome/browser/bad_message.h"
  19 #include "chrome/browser/browser_process.h"
  20 #include "chrome/browser/chromeos/settings/cros_settings.h"
  21 #include "chrome/browser/media/webrtc_log_list.h"
  22 #include "chrome/browser/media/webrtc_log_uploader.h"
  23 #include "chrome/browser/media/webrtc_rtp_dump_handler.h"
  24 #include "chrome/browser/profiles/profile.h"
  25 #include "chrome/common/chrome_switches.h"
  26 #include "chrome/common/chrome_version_info.h"
  27 #include "chrome/common/media/webrtc_logging_messages.h"
  28 #include "chromeos/settings/cros_settings_names.h"
  29 #include "content/public/browser/browser_thread.h"
  30 #include "content/public/browser/content_browser_client.h"
  31 #include "content/public/browser/gpu_data_manager.h"
  32 #include "content/public/browser/render_process_host.h"
  33 #include "gpu/config/gpu_info.h"
  34 #include "net/base/address_family.h"
  35 #include "net/base/ip_address_number.h"
  36 #include "net/url_request/url_request_context_getter.h"
  37
  38 #if defined(OS_LINUX)
  39 #include "base/linux_util.h"
  40 #endif
  41
  42 #if defined(OS_MACOSX)
  43 #include "base/mac/mac_util.h"
  44 #endif
  45
  46 #if defined(OS_CHROMEOS)
  47 #include "chromeos/system/statistics_provider.h"
  48 #endif
  49
  50 using base::IntToString;
  51 using content::BrowserThread;
  52
  53 namespace {
  54
  55 const char kLogNotStoppedOrNoLogOpen[] =
  56     "Logging not stopped or no log open.";
  57
  58 // For privacy reasons when logging IP addresses. The returned "sensitive
  59 // string" is for release builds a string with the end stripped away. Last
  60 // octet for IPv4 and last 80 bits (5 groups) for IPv6. String will be
  61 // "1.2.3.x" and "1.2.3::" respectively. For debug builds, the string is
  62 // not stripped.
  63 std::string IPAddressToSensitiveString(const net::IPAddressNumber& address) {
  64 #if defined(NDEBUG)
  65   std::string sensitive_address;
  66   switch (net::GetAddressFamily(address)) {
  67     case net::ADDRESS_FAMILY_IPV4: {
  68       sensitive_address = net::IPAddressToString(address);
  69       size_t find_pos = sensitive_address.rfind('.');
  70       if (find_pos == std::string::npos)
  71         return std::string();
  72       sensitive_address.resize(find_pos);
  73       sensitive_address += ".x";
  74       break;
  75     }
  76     case net::ADDRESS_FAMILY_IPV6: {
  77       // TODO(grunell): Create a string of format "1:2:3:x:x:x:x:x" to clarify
  78       // that the end has been stripped out.
  79       net::IPAddressNumber sensitive_address_number = address;
  80       sensitive_address_number.resize(net::kIPv6AddressSize - 10);
  81       sensitive_address_number.resize(net::kIPv6AddressSize, 0);
  82       sensitive_address = net::IPAddressToString(sensitive_address_number);
  83       break;
  84     }
  85     case net::ADDRESS_FAMILY_UNSPECIFIED: {
  86       break;
  87     }
  88   }
  89   return sensitive_address;
  90 #else
  91   return net::IPAddressToString(address);
  92 #endif
  93 }
  94
  95 void FormatMetaDataAsLogMessage(
  96     const MetaDataMap& meta_data,
  97     std::string* message) {
  98   for (MetaDataMap::const_iterator it = meta_data.begin();
  99        it != meta_data.end(); ++it) {
 100     *message += it->first + ": " + it->second + '\n';
 101   }
 102   // Remove last '\n'.
 103   message->resize(message->size() - 1);
 104 }
 105
 106 void FireGenericDoneCallback(
 107     const WebRtcLoggingHandlerHost::GenericDoneCallback& callback,
 108     bool success,
 109     const std::string& error_message) {
 110   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 111   DCHECK(!callback.is_null());
 112   content::BrowserThread::PostTask(
 113       content::BrowserThread::UI,
 114       FROM_HERE,
 115       base::Bind(callback, success, error_message));
 116 }
 117
 118 void FireAndResetGenericDoneCallback(
 119     WebRtcLoggingHandlerHost::GenericDoneCallback* callback,
 120     bool success,
 121     const std::string& error_message) {
 122   FireGenericDoneCallback(*callback, success, error_message);
 123   callback->Reset();
 124 }
 125
 126 }  // namespace
 127
 128 WebRtcLogBuffer::WebRtcLogBuffer()
 129     : buffer_(),
 130       circular_(&buffer_[0], sizeof(buffer_), sizeof(buffer_) / 2, false),
 131       read_only_(false) {
 132 }
 133
 134 WebRtcLogBuffer::~WebRtcLogBuffer() {
 135   DCHECK(read_only_ || thread_checker_.CalledOnValidThread());
 136 }
 137
 138 void WebRtcLogBuffer::Log(const std::string& message) {
 139   DCHECK(thread_checker_.CalledOnValidThread());
 140   DCHECK(!read_only_);
 141   circular_.Write(message.c_str(), message.length());
 142   const char eol = '\n';
 143   circular_.Write(&eol, 1);
 144 }
 145
 146 PartialCircularBuffer WebRtcLogBuffer::Read() {
 147   DCHECK(thread_checker_.CalledOnValidThread());
 148   DCHECK(read_only_);
 149   return PartialCircularBuffer(&buffer_[0], sizeof(buffer_));
 150 }
 151
 152 void WebRtcLogBuffer::SetComplete() {
 153   DCHECK(thread_checker_.CalledOnValidThread());
 154   DCHECK(!read_only_) << "Already set? (programmer error)";
 155   read_only_ = true;
 156   // Detach from the current thread so that we can check reads on a different
 157   // thread.  This is to make sure that Read()s still happen on one thread only.
 158   thread_checker_.DetachFromThread();
 159 }
 160
 161 WebRtcLoggingHandlerHost::WebRtcLoggingHandlerHost(Profile* profile)
 162     : BrowserMessageFilter(WebRtcLoggingMsgStart),
 163       profile_(profile),
 164       logging_state_(CLOSED),
 165       upload_log_on_render_close_(false) {
 166   DCHECK(profile_);
 167 }
 168
 169 WebRtcLoggingHandlerHost::~WebRtcLoggingHandlerHost() {}
 170
 171 void WebRtcLoggingHandlerHost::SetMetaData(
 172     scoped_ptr<MetaDataMap> meta_data,
 173     const GenericDoneCallback& callback) {
 174   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 175   DCHECK(!callback.is_null());
 176
 177   std::string error_message;
 178   if (logging_state_ == CLOSED) {
 179     if (!meta_data_.get())
 180       meta_data_ = meta_data.Pass();
 181   } else if (logging_state_ == STARTED) {
 182     std::string meta_data_message;
 183     FormatMetaDataAsLogMessage(*meta_data.get(), &meta_data_message);
 184     LogToCircularBuffer(meta_data_message);
 185   } else {
 186     error_message = "Meta data must be set before stop or upload.";
 187   }
 188
 189   if (error_message.empty() && meta_data.get()) {
 190     // Keep the meta data around for uploading separately from the log.
 191     for (const auto& it : *meta_data.get())
 192       (*meta_data_.get())[it.first] = it.second;
 193   }
 194
 195   FireGenericDoneCallback(callback, error_message.empty(), error_message);
 196 }
 197
 198 void WebRtcLoggingHandlerHost::StartLogging(
 199     const GenericDoneCallback& callback) {
 200   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 201   DCHECK(!callback.is_null());
 202
 203   if (logging_state_ != CLOSED) {
 204     FireGenericDoneCallback(callback, false, "A log is already open");
 205     return;
 206   }
 207
 208   logging_state_ = STARTING;
 209   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind(
 210       &WebRtcLoggingHandlerHost::StartLoggingIfAllowed, this, callback));
 211 }
 212
 213 void WebRtcLoggingHandlerHost::StopLogging(
 214     const GenericDoneCallback& callback) {
 215   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 216   DCHECK(!callback.is_null());
 217
 218   if (logging_state_ != STARTED) {
 219     FireGenericDoneCallback(callback, false, "Logging not started");
 220     return;
 221   }
 222
 223   stop_callback_ = callback;
 224   logging_state_ = STOPPING;
 225   Send(new WebRtcLoggingMsg_StopLogging());
 226 }
 227
 228 void WebRtcLoggingHandlerHost::UploadLog(const UploadDoneCallback& callback) {
 229   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 230   DCHECK(!callback.is_null());
 231
 232   if (logging_state_ != STOPPED) {
 233     if (!callback.is_null()) {
 234       content::BrowserThread::PostTask(content::BrowserThread::UI, FROM_HERE,
 235           base::Bind(callback, false, "", kLogNotStoppedOrNoLogOpen));
 236     }
 237     return;
 238   }
 239
 240   content::BrowserThread::PostTaskAndReplyWithResult(
 241       content::BrowserThread::FILE,
 242       FROM_HERE,
 243       base::Bind(&WebRtcLoggingHandlerHost::GetLogDirectoryAndEnsureExists,
 244                  this),
 245       base::Bind(&WebRtcLoggingHandlerHost::TriggerUpload, this, callback));
 246 }
 247
 248 void WebRtcLoggingHandlerHost::UploadStoredLog(
 249     const std::string& log_id,
 250     const UploadDoneCallback& callback) {
 251   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 252   DCHECK(!callback.is_null());
 253
 254   content::BrowserThread::PostTask(content::BrowserThread::FILE,
 255       FROM_HERE,
 256       base::Bind(&WebRtcLoggingHandlerHost::UploadStoredLogOnFileThread,
 257                  this, log_id, callback));
 258 }
 259
 260 void WebRtcLoggingHandlerHost::UploadStoredLogOnFileThread(
 261     const std::string& log_id,
 262     const UploadDoneCallback& callback) {
 263   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 264
 265   WebRtcLogUploadDoneData upload_data;
 266   upload_data.log_path = GetLogDirectoryAndEnsureExists();
 267   upload_data.callback = callback;
 268   upload_data.host = this;
 269   upload_data.local_log_id = log_id;
 270
 271   g_browser_process->webrtc_log_uploader()->UploadStoredLog(upload_data);
 272 }
 273
 274 void WebRtcLoggingHandlerHost::UploadLogDone() {
 275   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 276   logging_state_ = CLOSED;
 277 }
 278
 279 void WebRtcLoggingHandlerHost::DiscardLog(const GenericDoneCallback& callback) {
 280   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 281   DCHECK(!callback.is_null());
 282
 283   if (logging_state_ != STOPPED) {
 284     FireGenericDoneCallback(callback, false, kLogNotStoppedOrNoLogOpen);
 285     return;
 286   }
 287   g_browser_process->webrtc_log_uploader()->LoggingStoppedDontUpload();
 288   log_buffer_.reset();
 289   meta_data_.reset();
 290   logging_state_ = CLOSED;
 291   rtp_dump_handler_.reset();
 292   stop_rtp_dump_callback_.Reset();
 293   FireGenericDoneCallback(callback, true, "");
 294 }
 295
 296 // Stores the log locally using a hash of log_id + security origin.
 297 void WebRtcLoggingHandlerHost::StoreLog(
 298     const std::string& log_id,
 299     const GenericDoneCallback& callback) {
 300   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 301   DCHECK(!callback.is_null());
 302
 303   if (logging_state_ != STOPPED) {
 304     FireGenericDoneCallback(callback, false, kLogNotStoppedOrNoLogOpen);
 305     return;
 306   }
 307
 308   if (rtp_dump_handler_) {
 309     BrowserThread::PostTask(
 310         BrowserThread::UI,
 311         FROM_HERE,
 312         base::Bind(stop_rtp_dump_callback_, true, true));
 313
 314     rtp_dump_handler_->StopOngoingDumps(
 315         base::Bind(&WebRtcLoggingHandlerHost::StoreLogContinue,
 316                    this, log_id, callback));
 317     return;
 318   }
 319
 320   StoreLogContinue(log_id, callback);
 321 }
 322
 323 void WebRtcLoggingHandlerHost::StoreLogContinue(
 324     const std::string& log_id,
 325     const GenericDoneCallback& callback) {
 326   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 327   DCHECK(!callback.is_null());
 328
 329   scoped_ptr<WebRtcLogPaths> log_paths(new WebRtcLogPaths());
 330   ReleaseRtpDumps(log_paths.get());
 331
 332   content::BrowserThread::PostTaskAndReplyWithResult(
 333       content::BrowserThread::FILE,
 334       FROM_HERE,
 335       base::Bind(&WebRtcLoggingHandlerHost::GetLogDirectoryAndEnsureExists,
 336                  this),
 337       base::Bind(&WebRtcLoggingHandlerHost::StoreLogInDirectory, this, log_id,
 338                  Passed(&log_paths), callback));
 339 }
 340
 341 void WebRtcLoggingHandlerHost::LogMessage(const std::string& message) {
 342   BrowserThread::PostTask(
 343       BrowserThread::IO,
 344       FROM_HERE,
 345       base::Bind(
 346           &WebRtcLoggingHandlerHost::AddLogMessageFromBrowser,
 347           this,
 348           WebRtcLoggingMessageData(base::Time::Now(), message)));
 349 }
 350
 351 void WebRtcLoggingHandlerHost::StartRtpDump(
 352     RtpDumpType type,
 353     const GenericDoneCallback& callback,
 354     const content::RenderProcessHost::WebRtcStopRtpDumpCallback&
 355         stop_callback) {
 356   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 357   DCHECK(stop_rtp_dump_callback_.is_null() ||
 358          stop_rtp_dump_callback_.Equals(stop_callback));
 359
 360   stop_rtp_dump_callback_ = stop_callback;
 361
 362   if (!rtp_dump_handler_) {
 363     content::BrowserThread::PostTaskAndReplyWithResult(
 364         content::BrowserThread::FILE,
 365         FROM_HERE,
 366         base::Bind(&WebRtcLoggingHandlerHost::GetLogDirectoryAndEnsureExists,
 367                    this),
 368         base::Bind(&WebRtcLoggingHandlerHost::CreateRtpDumpHandlerAndStart,
 369                    this,
 370                    type,
 371                    callback));
 372     return;
 373   }
 374
 375   DoStartRtpDump(type, callback);
 376 }
 377
 378 void WebRtcLoggingHandlerHost::StopRtpDump(
 379     RtpDumpType type,
 380     const GenericDoneCallback& callback) {
 381   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 382   DCHECK(!callback.is_null());
 383
 384   if (!rtp_dump_handler_) {
 385     FireGenericDoneCallback(callback, false, "RTP dump has not been started.");
 386     return;
 387   }
 388
 389   if (!stop_rtp_dump_callback_.is_null()) {
 390     BrowserThread::PostTask(
 391         BrowserThread::UI,
 392         FROM_HERE,
 393         base::Bind(stop_rtp_dump_callback_,
 394                    type == RTP_DUMP_INCOMING || type == RTP_DUMP_BOTH,
 395                    type == RTP_DUMP_OUTGOING || type == RTP_DUMP_BOTH));
 396   }
 397
 398   rtp_dump_handler_->StopDump(type, callback);
 399 }
 400
 401 void WebRtcLoggingHandlerHost::OnRtpPacket(scoped_ptr<uint8[]> packet_header,
 402                                            size_t header_length,
 403                                            size_t packet_length,
 404                                            bool incoming) {
 405   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 406
 407   BrowserThread::PostTask(
 408       BrowserThread::IO,
 409       FROM_HERE,
 410       base::Bind(&WebRtcLoggingHandlerHost::DumpRtpPacketOnIOThread,
 411                  this,
 412                  base::Passed(&packet_header),
 413                  header_length,
 414                  packet_length,
 415                  incoming));
 416 }
 417
 418 void WebRtcLoggingHandlerHost::DumpRtpPacketOnIOThread(
 419     scoped_ptr<uint8[]> packet_header,
 420     size_t header_length,
 421     size_t packet_length,
 422     bool incoming) {
 423   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 424
 425   // |rtp_dump_handler_| could be NULL if we are waiting for the FILE thread to
 426   // create/ensure the log directory.
 427   if (rtp_dump_handler_) {
 428     rtp_dump_handler_->OnRtpPacket(
 429         packet_header.get(), header_length, packet_length, incoming);
 430   }
 431 }
 432
 433 void WebRtcLoggingHandlerHost::OnChannelClosing() {
 434   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 435   if (logging_state_ == STARTED || logging_state_ == STOPPED) {
 436     if (upload_log_on_render_close_) {
 437       logging_started_time_ = base::Time();
 438
 439       content::BrowserThread::PostTaskAndReplyWithResult(
 440           content::BrowserThread::FILE,
 441           FROM_HERE,
 442           base::Bind(&WebRtcLoggingHandlerHost::GetLogDirectoryAndEnsureExists,
 443                      this),
 444           base::Bind(&WebRtcLoggingHandlerHost::TriggerUpload, this,
 445                      UploadDoneCallback()));
 446     } else {
 447       g_browser_process->webrtc_log_uploader()->LoggingStoppedDontUpload();
 448     }
 449   }
 450   content::BrowserMessageFilter::OnChannelClosing();
 451 }
 452
 453 void WebRtcLoggingHandlerHost::OnDestruct() const {
 454   BrowserThread::DeleteOnIOThread::Destruct(this);
 455 }
 456
 457 bool WebRtcLoggingHandlerHost::OnMessageReceived(const IPC::Message& message) {
 458   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 459   bool handled = true;
 460   IPC_BEGIN_MESSAGE_MAP(WebRtcLoggingHandlerHost, message)
 461     IPC_MESSAGE_HANDLER(WebRtcLoggingMsg_AddLogMessages, OnAddLogMessages)
 462     IPC_MESSAGE_HANDLER(WebRtcLoggingMsg_LoggingStopped,
 463                         OnLoggingStoppedInRenderer)
 464     IPC_MESSAGE_UNHANDLED(handled = false)
 465   IPC_END_MESSAGE_MAP()
 466
 467   return handled;
 468 }
 469
 470 void WebRtcLoggingHandlerHost::AddLogMessageFromBrowser(
 471     const WebRtcLoggingMessageData& message) {
 472   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 473   if (logging_state_ == STARTED)
 474     LogToCircularBuffer(message.Format(logging_started_time_));
 475 }
 476
 477 void WebRtcLoggingHandlerHost::OnAddLogMessages(
 478     const std::vector<WebRtcLoggingMessageData>& messages) {
 479   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 480   if (logging_state_ == STARTED || logging_state_ == STOPPING) {
 481     for (size_t i = 0; i < messages.size(); ++i) {
 482       LogToCircularBuffer(messages[i].Format(logging_started_time_));
 483     }
 484   }
 485 }
 486
 487 void WebRtcLoggingHandlerHost::OnLoggingStoppedInRenderer() {
 488   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 489   if (logging_state_ != STOPPING) {
 490     // If an out-of-order response is received, stop_callback_ may be invalid,
 491     // and must not be invoked.
 492     DLOG(ERROR) << "OnLoggingStoppedInRenderer invoked in state "
 493                 << logging_state_;
 494     bad_message::ReceivedBadMessage(
 495         this, bad_message::WRLHH_LOGGING_STOPPED_BAD_STATE);
 496     return;
 497   }
 498   logging_started_time_ = base::Time();
 499   logging_state_ = STOPPED;
 500   FireAndResetGenericDoneCallback(&stop_callback_, true, "");
 501 }
 502
 503 void WebRtcLoggingHandlerHost::StartLoggingIfAllowed(
 504     const GenericDoneCallback& callback) {
 505   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 506   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind(
 507       &WebRtcLoggingHandlerHost::DoStartLogging, this,
 508       g_browser_process->webrtc_log_uploader()->ApplyForStartLogging(),
 509       callback));
 510 }
 511
 512 void WebRtcLoggingHandlerHost::DoStartLogging(
 513     bool permissions_granted,
 514     const GenericDoneCallback& callback) {
 515   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 516   if (logging_state_ != STARTING) {
 517     FireGenericDoneCallback(callback, false, "Logging cancelled.");
 518     return;
 519   }
 520
 521   if (!permissions_granted) {
 522     logging_state_ = CLOSED;
 523     FireGenericDoneCallback(callback, false,
 524         "Cannot start, maybe the maximum number of "
 525         "simultaneuos logs has been reached.");
 526     return;
 527   }
 528
 529   DCHECK(!log_buffer_.get());
 530   log_buffer_.reset(new WebRtcLogBuffer());
 531   if (!meta_data_.get())
 532     meta_data_.reset(new MetaDataMap());
 533
 534   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, base::Bind(
 535       &WebRtcLoggingHandlerHost::LogInitialInfoOnFileThread, this, callback));
 536 }
 537
 538 void WebRtcLoggingHandlerHost::LogInitialInfoOnFileThread(
 539     const GenericDoneCallback& callback) {
 540   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 541
 542   net::NetworkInterfaceList network_list;
 543   net::GetNetworkList(&network_list,
 544                       net::EXCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES);
 545
 546   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind(
 547       &WebRtcLoggingHandlerHost::LogInitialInfoOnIOThread, this, network_list,
 548       callback));
 549 }
 550
 551 void WebRtcLoggingHandlerHost::LogInitialInfoOnIOThread(
 552     const net::NetworkInterfaceList& network_list,
 553     const GenericDoneCallback& callback) {
 554   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 555   if (logging_state_ != STARTING) {
 556     FireGenericDoneCallback(callback, false, "Logging cancelled.");
 557     return;
 558   }
 559
 560   // Log start time (current time). We don't use base/i18n/time_formatting.h
 561   // here because we don't want the format of the current locale.
 562   base::Time::Exploded now = {0};
 563   base::Time::Now().LocalExplode(&now);
 564   LogToCircularBuffer(base::StringPrintf(
 565       "Start %d-%02d-%02d %02d:%02d:%02d", now.year, now.month,
 566       now.day_of_month, now.hour, now.minute, now.second));
 567
 568   // Write metadata if received before logging started.
 569   if (meta_data_.get() && !meta_data_->empty()) {
 570     std::string info;
 571     FormatMetaDataAsLogMessage(*meta_data_.get(), &info);
 572     LogToCircularBuffer(info);
 573   }
 574
 575   // Chrome version
 576   chrome::VersionInfo version_info;
 577   LogToCircularBuffer("Chrome version: " + version_info.Version() + " " +
 578                       chrome::VersionInfo::GetVersionStringModifier());
 579
 580   // OS
 581   LogToCircularBuffer(base::SysInfo::OperatingSystemName() + " " +
 582                       base::SysInfo::OperatingSystemVersion() + " " +
 583                       base::SysInfo::OperatingSystemArchitecture());
 584 #if defined(OS_LINUX)
 585   LogToCircularBuffer("Linux distribution: " + base::GetLinuxDistro());
 586 #endif
 587
 588   // CPU
 589   base::CPU cpu;
 590   LogToCircularBuffer(
 591       "Cpu: " + IntToString(cpu.family()) + "." + IntToString(cpu.model()) +
 592       "." + IntToString(cpu.stepping()) + ", x" +
 593       IntToString(base::SysInfo::NumberOfProcessors()) + ", " +
 594       IntToString(base::SysInfo::AmountOfPhysicalMemoryMB()) + "MB");
 595   std::string cpu_brand = cpu.cpu_brand();
 596   // Workaround for crbug.com/249713.
 597   // TODO(grunell): Remove workaround when bug is fixed.
 598   size_t null_pos = cpu_brand.find('\0');
 599   if (null_pos != std::string::npos)
 600     cpu_brand.erase(null_pos);
 601   LogToCircularBuffer("Cpu brand: " + cpu_brand);
 602
 603   // Computer model
 604   std::string computer_model = "Not available";
 605 #if defined(OS_MACOSX)
 606   computer_model = base::mac::GetModelIdentifier();
 607 #elif defined(OS_CHROMEOS)
 608   chromeos::system::StatisticsProvider::GetInstance()->
 609       GetMachineStatistic(chromeos::system::kHardwareClassKey, &computer_model);
 610 #endif
 611   LogToCircularBuffer("Computer model: " + computer_model);
 612
 613   // GPU
 614   gpu::GPUInfo gpu_info = content::GpuDataManager::GetInstance()->GetGPUInfo();
 615   LogToCircularBuffer(
 616       "Gpu: machine-model-name=" + gpu_info.machine_model_name +
 617       ", machine-model-version=" + gpu_info.machine_model_version +
 618       ", vendor-id=" + IntToString(gpu_info.gpu.vendor_id) +
 619       ", device-id=" + IntToString(gpu_info.gpu.device_id) +
 620       ", driver-vendor=" + gpu_info.driver_vendor +
 621       ", driver-version=" + gpu_info.driver_version);
 622   LogToCircularBuffer(
 623       "OpenGL: gl-vendor=" + gpu_info.gl_vendor +
 624       ", gl-renderer=" + gpu_info.gl_renderer +
 625       ", gl-version=" + gpu_info.gl_version);
 626
 627   // Network interfaces
 628   LogToCircularBuffer("Discovered " + IntToString(network_list.size()) +
 629                       " network interfaces:");
 630   for (net::NetworkInterfaceList::const_iterator it = network_list.begin();
 631        it != network_list.end(); ++it) {
 632     LogToCircularBuffer(
 633         "Name: " + it->friendly_name + ", Address: " +
 634         IPAddressToSensitiveString(it->address) + ", Type: " +
 635         net::NetworkChangeNotifier::ConnectionTypeToString(it->type));
 636   }
 637
 638   NotifyLoggingStarted(callback);
 639 }
 640
 641 void WebRtcLoggingHandlerHost::NotifyLoggingStarted(
 642     const GenericDoneCallback& callback) {
 643   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 644   DCHECK_EQ(logging_state_, STARTING);
 645   Send(new WebRtcLoggingMsg_StartLogging());
 646   logging_started_time_ = base::Time::Now();
 647   logging_state_ = STARTED;
 648   FireGenericDoneCallback(callback, true, "");
 649 }
 650
 651 void WebRtcLoggingHandlerHost::LogToCircularBuffer(const std::string& message) {
 652   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 653   DCHECK_NE(logging_state_, CLOSED);
 654   log_buffer_->Log(message);
 655 }
 656
 657 base::FilePath WebRtcLoggingHandlerHost::GetLogDirectoryAndEnsureExists() {
 658   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 659   base::FilePath log_dir_path =
 660       WebRtcLogList::GetWebRtcLogDirectoryForProfile(profile_->GetPath());
 661   base::File::Error error;
 662   if (!base::CreateDirectoryAndGetError(log_dir_path, &error)) {
 663     DLOG(ERROR) << "Could not create WebRTC log directory, error: " << error;
 664     return base::FilePath();
 665   }
 666   return log_dir_path;
 667 }
 668
 669 void WebRtcLoggingHandlerHost::TriggerUpload(
 670     const UploadDoneCallback& callback,
 671     const base::FilePath& log_directory) {
 672   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 673
 674   if (rtp_dump_handler_) {
 675     BrowserThread::PostTask(
 676         BrowserThread::UI,
 677         FROM_HERE,
 678         base::Bind(stop_rtp_dump_callback_, true, true));
 679
 680     rtp_dump_handler_->StopOngoingDumps(
 681         base::Bind(&WebRtcLoggingHandlerHost::DoUploadLogAndRtpDumps,
 682                    this,
 683                    log_directory,
 684                    callback));
 685     return;
 686   }
 687
 688   DoUploadLogAndRtpDumps(log_directory, callback);
 689 }
 690
 691 void WebRtcLoggingHandlerHost::StoreLogInDirectory(
 692     const std::string& log_id,
 693     scoped_ptr<WebRtcLogPaths> log_paths,
 694     const GenericDoneCallback& done_callback,
 695     const base::FilePath& directory) {
 696   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 697   log_paths->log_path = directory;
 698
 699   log_buffer_->SetComplete();
 700   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
 701       base::Bind(&WebRtcLogUploader::LoggingStoppedDoStore,
 702           base::Unretained(g_browser_process->webrtc_log_uploader()),
 703           *log_paths.get(), log_id, Passed(&log_buffer_), Passed(&meta_data_),
 704           done_callback));
 705
 706   logging_state_ = CLOSED;
 707 }
 708
 709 void WebRtcLoggingHandlerHost::DoUploadLogAndRtpDumps(
 710     const base::FilePath& log_directory,
 711     const UploadDoneCallback& callback) {
 712   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 713
 714   WebRtcLogUploadDoneData upload_done_data;
 715   upload_done_data.log_path = log_directory;
 716   upload_done_data.callback = callback;
 717   upload_done_data.host = this;
 718   ReleaseRtpDumps(&upload_done_data);
 719
 720   log_buffer_->SetComplete();
 721   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, base::Bind(
 722       &WebRtcLogUploader::LoggingStoppedDoUpload,
 723       base::Unretained(g_browser_process->webrtc_log_uploader()),
 724       Passed(&log_buffer_),
 725       Passed(&meta_data_),
 726       upload_done_data));
 727
 728   logging_state_ = CLOSED;
 729 }
 730
 731 void WebRtcLoggingHandlerHost::CreateRtpDumpHandlerAndStart(
 732     RtpDumpType type,
 733     const GenericDoneCallback& callback,
 734     const base::FilePath& dump_dir) {
 735   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 736
 737   // |rtp_dump_handler_| may be non-NULL if StartRtpDump is called again before
 738   // GetLogDirectoryAndEnsureExists returns on the FILE thread for a previous
 739   // StartRtpDump.
 740   if (!rtp_dump_handler_)
 741     rtp_dump_handler_.reset(new WebRtcRtpDumpHandler(dump_dir));
 742
 743   DoStartRtpDump(type, callback);
 744 }
 745
 746 void WebRtcLoggingHandlerHost::DoStartRtpDump(
 747     RtpDumpType type, const GenericDoneCallback& callback) {
 748   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 749   DCHECK(rtp_dump_handler_);
 750
 751   std::string error;
 752   bool result = rtp_dump_handler_->StartDump(type, &error);
 753   FireGenericDoneCallback(callback, result, error);
 754 }
 755
 756 bool WebRtcLoggingHandlerHost::ReleaseRtpDumps(WebRtcLogPaths* log_paths) {
 757   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 758   DCHECK(log_paths);
 759
 760   if (!rtp_dump_handler_)
 761     return false;
 762
 763   WebRtcRtpDumpHandler::ReleasedDumps rtp_dumps(
 764       rtp_dump_handler_->ReleaseDumps());
 765   log_paths->incoming_rtp_dump = rtp_dumps.incoming_dump_path;
 766   log_paths->outgoing_rtp_dump = rtp_dumps.outgoing_dump_path;
 767
 768   rtp_dump_handler_.reset();
 769   stop_rtp_dump_callback_.Reset();
 770
 771   return true;
 772 }