Implementing uploading of a WebRTC diagnostic log.

chrome/browser/media/webrtc_logging_handler_host.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
+#include "base/prefs/pref_service.h"
+#include "base/shared_memory.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/settings/cros_settings.h"
+#include "chrome/browser/chromeos/settings/cros_settings_names.h"
+#include "chrome/browser/media/webrtc_log_uploader.h"
 #include "chrome/common/media/webrtc_logging_messages.h"
+#include "chrome/common/pref_names.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/render_process_host.h"
+#include "net/url_request/url_request_context_getter.h"
 
 using content::BrowserThread;
 
+
 #if defined(OS_ANDROID)
 const size_t kWebRtcLogSize = 1 * 1024 * 1024;  // 1 MB
 #else
 const size_t kWebRtcLogSize = 6 * 1024 * 1024;  // 6 MB
 #endif
 
-WebRtcLoggingHandlerHost::WebRtcLoggingHandlerHost() {
-}
+WebRtcLoggingHandlerHost::WebRtcLoggingHandlerHost() {}
 
-WebRtcLoggingHandlerHost::~WebRtcLoggingHandlerHost() {
-}
+WebRtcLoggingHandlerHost::~WebRtcLoggingHandlerHost() {}
 
 void WebRtcLoggingHandlerHost::OnChannelClosing() {
+  UploadLog();
   content::BrowserMessageFilter::OnChannelClosing();
 }
 
 void WebRtcLoggingHandlerHost::OnDestruct() const {
   BrowserThread::DeleteOnIOThread::Destruct(this);
 }
 
 bool WebRtcLoggingHandlerHost::OnMessageReceived(const IPC::Message& message,
                                                  bool* message_was_ok) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP_EX(WebRtcLoggingHandlerHost, message, *message_was_ok)
     IPC_MESSAGE_HANDLER(WebRtcLoggingMsg_OpenLog, OnOpenLog)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
 
   return handled;
 }
 
 void WebRtcLoggingHandlerHost::OnOpenLog(const std::string& app_session_id,
                                          const std::string& app_url) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-  DCHECK(!base::SharedMemory::IsHandleValid(shared_memory_.handle()));
+  app_session_id_ = app_session_id;
+  app_url_ = app_url;
+  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, base::Bind(
+      &WebRtcLoggingHandlerHost::OpenLogIfAllowed, this));
+}
 
-  if (!shared_memory_.CreateAndMapAnonymous(kWebRtcLogSize)) {
+void WebRtcLoggingHandlerHost::OpenLogIfAllowed() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  bool enabled = false;
+
+  // If the user permits metrics reporting / crash uploading with the checkbox
+  // in the prefs, we allow uploading automatically. We disable uploading
+  // completely for non-official builds.
+#if defined(GOOGLE_CHROME_BUILD)
+#if defined(OS_CHROMEOS)
+  chromeos::CrosSettings::Get()->GetBoolean(chromeos::kStatsReportingPref,
+                                            &enabled);
+#else
+  enabled = g_browser_process->local_state()->GetBoolean(
+      prefs::kMetricsReportingEnabled);
+#endif  // #if defined(OS_CHROMEOS)
+#endif  // defined(GOOGLE_CHROME_BUILD)
+  if (!enabled)
+    return;
+
+  if (!g_browser_process->webrtc_log_uploader()->ApplyForStartLogging())
+    return;
+
+  system_request_context_ = g_browser_process->system_request_context();
+  BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind(
+      &WebRtcLoggingHandlerHost::DoOpenLog, this));
+}
+
+void WebRtcLoggingHandlerHost::DoOpenLog() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK(!shared_memory_);
+
+  shared_memory_.reset(new base::SharedMemory());
+
+  if (!shared_memory_->CreateAndMapAnonymous(kWebRtcLogSize)) {
     DLOG(ERROR) << "Failed to create shared memory.";
     Send(new WebRtcLoggingMsg_OpenLogFailed());
     return;
   }
 
   base::SharedMemoryHandle foreign_memory_handle;
-  if (!shared_memory_.ShareToProcess(peer_handle(),
+  if (!shared_memory_->ShareToProcess(peer_handle(),
                                      &foreign_memory_handle)) {
     Send(new WebRtcLoggingMsg_OpenLogFailed());
     return;
   }
 
-  app_session_id_ = app_session_id;
-  app_url_ = app_url;
   Send(new WebRtcLoggingMsg_LogOpened(foreign_memory_handle, kWebRtcLogSize));
 }
+
+void WebRtcLoggingHandlerHost::UploadLog() {
+  if (!shared_memory_)
+    return;
+
+  BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, base::Bind(
+      &WebRtcLogUploader::UploadLog,
+      base::Unretained(g_browser_process->webrtc_log_uploader()),
+      system_request_context_,
+      Passed(&shared_memory_),
+      kWebRtcLogSize,
+      app_session_id_,
+      app_url_));
+}