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// Copyright (c) 2012 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.
// Common IPC messages used for child processes.
// Multiply-included message file, hence no include guard.
#include <string>
#include <vector>
#include "base/shared_memory.h"
#include "base/tracked_objects.h"
#include "base/values.h"
#include "content/common/content_export.h"
#include "googleurl/src/gurl.h"
#include "ipc/ipc_message_macros.h"
IPC_ENUM_TRAITS(tracked_objects::ThreadData::Status)
IPC_STRUCT_TRAITS_BEGIN(tracked_objects::LocationSnapshot)
IPC_STRUCT_TRAITS_MEMBER(file_name)
IPC_STRUCT_TRAITS_MEMBER(function_name)
IPC_STRUCT_TRAITS_MEMBER(line_number)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(tracked_objects::BirthOnThreadSnapshot)
IPC_STRUCT_TRAITS_MEMBER(location)
IPC_STRUCT_TRAITS_MEMBER(thread_name)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(tracked_objects::DeathDataSnapshot)
IPC_STRUCT_TRAITS_MEMBER(count)
IPC_STRUCT_TRAITS_MEMBER(run_duration_sum)
IPC_STRUCT_TRAITS_MEMBER(run_duration_max)
IPC_STRUCT_TRAITS_MEMBER(run_duration_sample)
IPC_STRUCT_TRAITS_MEMBER(queue_duration_sum)
IPC_STRUCT_TRAITS_MEMBER(queue_duration_max)
IPC_STRUCT_TRAITS_MEMBER(queue_duration_sample)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(tracked_objects::TaskSnapshot)
IPC_STRUCT_TRAITS_MEMBER(birth)
IPC_STRUCT_TRAITS_MEMBER(death_data)
IPC_STRUCT_TRAITS_MEMBER(death_thread_name)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ParentChildPairSnapshot)
IPC_STRUCT_TRAITS_MEMBER(parent)
IPC_STRUCT_TRAITS_MEMBER(child)
IPC_STRUCT_TRAITS_END()
IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ProcessDataSnapshot)
IPC_STRUCT_TRAITS_MEMBER(tasks)
IPC_STRUCT_TRAITS_MEMBER(descendants)
IPC_STRUCT_TRAITS_MEMBER(process_id)
IPC_STRUCT_TRAITS_END()
#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
#define IPC_MESSAGE_START ChildProcessMsgStart
// Messages sent from the browser to the child process.
// Sent in response to ChildProcessHostMsg_ShutdownRequest to tell the child
// process that it's safe to shutdown.
IPC_MESSAGE_CONTROL0(ChildProcessMsg_Shutdown)
#if defined(IPC_MESSAGE_LOG_ENABLED)
// Tell the child process to begin or end IPC message logging.
IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIPCLoggingEnabled,
bool /* on or off */)
#endif
// Sent to all child processes to enable trace event recording.
IPC_MESSAGE_CONTROL2(ChildProcessMsg_BeginTracing,
std::vector<std::string> /* included_categories */,
std::vector<std::string> /* excluded_categories */)
// Sent to all child processes to disable trace event recording.
IPC_MESSAGE_CONTROL0(ChildProcessMsg_EndTracing)
// Sent to all child processes to get trace buffer fullness.
IPC_MESSAGE_CONTROL0(ChildProcessMsg_GetTraceBufferPercentFull)
// Sent to all child processes to set watch event.
IPC_MESSAGE_CONTROL2(ChildProcessMsg_SetWatchEvent,
std::string /* category_name */,
std::string /* event_name */)
// Sent to all child processes to clear watch event.
IPC_MESSAGE_CONTROL0(ChildProcessMsg_CancelWatchEvent)
// Tell the child process to enable or disable the profiler status.
IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProfilerStatus,
tracked_objects::ThreadData::Status /* profiler status */)
// Send to all the child processes to send back profiler data (ThreadData in
// tracked_objects).
IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildProfilerData,
int /* sequence_number */)
// Send to all the child processes to send back histogram data.
IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildHistogramData,
int /* sequence_number */)
// Sent to child processes to dump their handle table.
IPC_MESSAGE_CONTROL0(ChildProcessMsg_DumpHandles)
#if defined(USE_TCMALLOC)
// Sent to child process to request tcmalloc stats.
IPC_MESSAGE_CONTROL0(ChildProcessMsg_GetTcmallocStats)
#endif
////////////////////////////////////////////////////////////////////////////////
// Messages sent from the child process to the browser.
IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ShutdownRequest)
// Notify the browser that this child process supports tracing.
IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ChildSupportsTracing)
// Reply from child processes acking ChildProcessMsg_TraceChangeStatus(false).
IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_EndTracingAck,
std::vector<std::string> /* known_categories */)
// Sent if the trace buffer becomes full.
IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TraceNotification,
int /* base::debug::TraceLog::Notification */)
// Child processes send trace data back in JSON chunks.
IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TraceDataCollected,
std::string /*json trace data*/)
// Reply to ChildProcessMsg_GetTraceBufferPercentFull.
IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TraceBufferPercentFullReply,
float /*trace buffer percent full*/)
// Send back profiler data (ThreadData in tracked_objects).
IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildProfilerData,
int, /* sequence_number */
tracked_objects::ProcessDataSnapshot /* profiler_data */)
// Send back histograms as vector of pickled-histogram strings.
IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildHistogramData,
int, /* sequence_number */
std::vector<std::string> /* histogram_data */)
// Reply to ChildProcessMsg_DumpHandles when handle table dump is complete.
IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_DumpHandlesDone)
#if defined(OS_WIN)
// Request that the given font be loaded by the host so it's cached by the
// OS. Please see ChildProcessHost::PreCacheFont for details.
IPC_SYNC_MESSAGE_CONTROL1_0(ChildProcessHostMsg_PreCacheFont,
LOGFONT /* font data */)
// Release the cached font
IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ReleaseCachedFonts)
#endif // defined(OS_WIN)
// Asks the browser to create a block of shared memory for the child process to
// fill in and pass back to the browser.
IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_SyncAllocateSharedMemory,
uint32 /* buffer size */,
base::SharedMemoryHandle)
#if defined(USE_TCMALLOC)
// Reply to ChildProcessMsg_GetTcmallocStats.
IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TcmallocStats,
std::string /* output */)
#endif
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