content/browser/browser_ipc_logging.cc

   1 // Copyright (c) 2011 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 "content/public/browser/browser_ipc_logging.h"
   6
   7 #include "base/bind.h"
   8 #include "content/common/child_process_messages.h"
   9 #include "content/public/browser/browser_child_process_host_iterator.h"
  10 #include "content/public/browser/browser_thread.h"
  11 #include "content/public/browser/render_process_host.h"
  12 #include "ipc/ipc_logging.h"
  13
  14 namespace content {
  15
  16 #if defined(IPC_MESSAGE_LOG_ENABLED)
  17
  18 void EnableIPCLoggingForChildProcesses(bool enabled) {
  19   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  20
  21   BrowserChildProcessHostIterator i;  // default constr references a singleton
  22   while (!i.Done()) {
  23     i.Send(new ChildProcessMsg_SetIPCLoggingEnabled(enabled));
  24     ++i;
  25   }
  26 }
  27
  28 void EnableIPCLogging(bool enable) {
  29   // First enable myself.
  30   if (enable)
  31     IPC::Logging::GetInstance()->Enable();
  32   else
  33     IPC::Logging::GetInstance()->Disable();
  34
  35   // Now tell subprocesses.  Messages to ChildProcess-derived
  36   // processes must be done on the IO thread.
  37   BrowserThread::PostTask(
  38       BrowserThread::IO,
  39       FROM_HERE,
  40       base::Bind(EnableIPCLoggingForChildProcesses, enable));
  41
  42   // Finally, tell the renderers which don't derive from ChildProcess.
  43   // Messages to the renderers must be done on the UI (main) thread.
  44   for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator());
  45        !i.IsAtEnd(); i.Advance())
  46     i.GetCurrentValue()->Send(new ChildProcessMsg_SetIPCLoggingEnabled(enable));
  47 }
  48
  49 #endif  // IPC_MESSAGE_LOG_ENABLED
  50
  51 }  // namespace content