Initial import.

1 files changed, 127 insertions, 0 deletions

diff --git a/chromium/ipc/ipc_logging.h b/chromium/ipc/ipc_logging.h
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+++ b/chromium/ipc/ipc_logging.h
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+// Copyright (c) 2011 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.
+
+#ifndef IPC_IPC_LOGGING_H_
+#define IPC_IPC_LOGGING_H_
+
+#include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
+
+#ifdef IPC_MESSAGE_LOG_ENABLED
+
+#include <vector>
+
+#include "base/containers/hash_tables.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/singleton.h"
+#include "base/message_loop/message_loop.h"
+#include "ipc/ipc_export.h"
+
+// Logging function. |name| is a string in ASCII and |params| is a string in
+// UTF-8.
+typedef void (*LogFunction)(std::string* name,
+                            const IPC::Message* msg,
+                            std::string* params);
+
+typedef base::hash_map<uint32, LogFunction > LogFunctionMap;
+
+namespace IPC {
+
+class Message;
+class Sender;
+
+// One instance per process.  Needs to be created on the main thread (the UI
+// thread in the browser) but OnPreDispatchMessage/OnPostDispatchMessage
+// can be called on other threads.
+class IPC_EXPORT Logging {
+ public:
+  // Implemented by consumers of log messages.
+  class Consumer {
+   public:
+    virtual void Log(const LogData& data) = 0;
+
+   protected:
+    virtual ~Consumer() {}
+  };
+
+  void SetConsumer(Consumer* consumer);
+
+  ~Logging();
+  static Logging* GetInstance();
+
+  // Enable and Disable are NOT cross-process; they only affect the
+  // current thread/process.  If you want to modify the value for all
+  // processes, perhaps your intent is to call
+  // g_browser_process->SetIPCLoggingEnabled().
+  void Enable();
+  void Disable();
+  bool Enabled() const { return enabled_; }
+
+  // Called by child processes to give the logger object the channel to send
+  // logging data to the browser process.
+  void SetIPCSender(Sender* sender);
+
+  // Called in the browser process when logging data from a child process is
+  // received.
+  void OnReceivedLoggingMessage(const Message& message);
+
+  void OnSendMessage(Message* message, const std::string& channel_id);
+  void OnPreDispatchMessage(const Message& message);
+  void OnPostDispatchMessage(const Message& message,
+                             const std::string& channel_id);
+
+  // Like the *MsgLog functions declared for each message class, except this
+  // calls the correct one based on the message type automatically.  Defined in
+  // ipc_logging.cc.
+  static void GetMessageText(uint32 type, std::string* name,
+                             const Message* message, std::string* params);
+
+  static void set_log_function_map(LogFunctionMap* functions) {
+    log_function_map_ = functions;
+  }
+
+  static LogFunctionMap* log_function_map() {
+    return log_function_map_;
+  }
+
+ private:
+  typedef enum {
+    ANSI_COLOR_RESET = -1,
+    ANSI_COLOR_BLACK,
+    ANSI_COLOR_RED,
+    ANSI_COLOR_GREEN,
+    ANSI_COLOR_YELLOW,
+    ANSI_COLOR_BLUE,
+    ANSI_COLOR_MAGENTA,
+    ANSI_COLOR_CYAN,
+    ANSI_COLOR_WHITE
+  } ANSIColor;
+  const char* ANSIEscape(ANSIColor color);
+  ANSIColor DelayColor(double delay);
+
+  friend struct DefaultSingletonTraits<Logging>;
+  Logging();
+
+  void OnSendLogs();
+  void Log(const LogData& data);
+
+  bool enabled_;
+  bool enabled_on_stderr_;  // only used on POSIX for now
+  bool enabled_color_; // only used on POSIX for now
+
+  std::vector<LogData> queued_logs_;
+  bool queue_invoke_later_pending_;
+
+  Sender* sender_;
+  base::MessageLoop* main_thread_;
+
+  Consumer* consumer_;
+
+  static LogFunctionMap* log_function_map_;
+};
+
+}  // namespace IPC
+
+#endif // IPC_MESSAGE_LOG_ENABLED
+
+#endif  // IPC_IPC_LOGGING_H_