content/common/content_ipc_logging.cc

   1 // Copyright (c) 2012 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 "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
   6
   7 #if defined(IPC_MESSAGE_LOG_ENABLED)
   8 #define IPC_MESSAGE_MACROS_LOG_ENABLED
   9 #include "content/public/common/content_ipc_logging.h"
  10 #define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
  11     content::RegisterIPCLogger(msg_id, logger)
  12 #include "content/common/all_messages.h"
  13 #endif
  14
  15 #if defined(IPC_MESSAGE_LOG_ENABLED)
  16
  17 #include "base/containers/hash_tables.h"
  18 #include "base/lazy_instance.h"
  19
  20 namespace content {
  21
  22 namespace {
  23
  24 base::LazyInstance<base::hash_map<uint32, LogFunction> >::Leaky
  25     g_log_function_mapping = LAZY_INSTANCE_INITIALIZER;
  26
  27 }  // namespace
  28
  29 void RegisterIPCLogger(uint32 msg_id, LogFunction logger) {
  30   if (g_log_function_mapping == NULL)
  31     IPC::Logging::set_log_function_map(g_log_function_mapping.Pointer());
  32   g_log_function_mapping.Get()[msg_id] = logger;
  33 }
  34
  35 }  // content
  36
  37 #endif