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      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 // Multiply-included message header, no traditional include guard.
      6 #include <string>
      7 #include <vector>
      8 
      9 #include "base/basictypes.h"
     10 #include "base/sync_socket.h"
     11 #include "ipc/ipc_channel_handle.h"
     12 #include "ipc/ipc_message_macros.h"
     13 #include "ipc/ipc_message_utils.h"
     14 #include "ipc/ipc_platform_file.h"
     15 
     16 #define IPC_MESSAGE_START TracingMsgStart
     17 
     18 // Sent to all child processes to enable trace event recording.
     19 IPC_MESSAGE_CONTROL3(TracingMsg_BeginTracing,
     20                      std::string /*  category_filter_str */,
     21                      base::TimeTicks /* browser_time */,
     22                      int /* base::debug::TraceLog::Options */)
     23 
     24 // Sent to all child processes to disable trace event recording.
     25 IPC_MESSAGE_CONTROL0(TracingMsg_EndTracing)
     26 
     27 // Sent to all child processes to get trace buffer fullness.
     28 IPC_MESSAGE_CONTROL0(TracingMsg_GetTraceBufferPercentFull)
     29 
     30 // Sent to all child processes to set watch event.
     31 IPC_MESSAGE_CONTROL2(TracingMsg_SetWatchEvent,
     32                      std::string /* category_name */,
     33                      std::string /* event_name */)
     34 
     35 // Sent to all child processes to clear watch event.
     36 IPC_MESSAGE_CONTROL0(TracingMsg_CancelWatchEvent)
     37 
     38 // Notify the browser that this child process supports tracing.
     39 IPC_MESSAGE_CONTROL0(TracingHostMsg_ChildSupportsTracing)
     40 
     41 // Reply from child processes acking ChildProcessMsg_TraceChangeStatus(false).
     42 IPC_MESSAGE_CONTROL1(TracingHostMsg_EndTracingAck,
     43                      std::vector<std::string> /* known_categories */)
     44 
     45 // Sent if the trace buffer becomes full.
     46 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceNotification,
     47                      int /* base::debug::TraceLog::Notification */)
     48 
     49 // Child processes send trace data back in JSON chunks.
     50 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceDataCollected,
     51                      std::string /*json trace data*/)
     52 
     53 // Reply to TracingMsg_GetTraceBufferPercentFull.
     54 IPC_MESSAGE_CONTROL1(TracingHostMsg_TraceBufferPercentFullReply,
     55                      float /*trace buffer percent full*/)
     56 
     57