content/common/child_process_messages.h

   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 // Common IPC messages used for child processes.
   6 // Multiply-included message file, hence no include guard.
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/shared_memory.h"
  12 #include "base/tracked_objects.h"
  13 #include "base/values.h"
  14 #include "cc/resources/shared_bitmap_manager.h"
  15 #include "content/common/content_export.h"
  16 #include "ipc/ipc_message_macros.h"
  17 #include "ui/gfx/gpu_memory_buffer.h"
  18
  19 IPC_ENUM_TRAITS_MAX_VALUE(tracked_objects::ThreadData::Status,
  20                           tracked_objects::ThreadData::STATUS_LAST)
  21
  22 IPC_STRUCT_TRAITS_BEGIN(tracked_objects::LocationSnapshot)
  23   IPC_STRUCT_TRAITS_MEMBER(file_name)
  24   IPC_STRUCT_TRAITS_MEMBER(function_name)
  25   IPC_STRUCT_TRAITS_MEMBER(line_number)
  26 IPC_STRUCT_TRAITS_END()
  27
  28 IPC_STRUCT_TRAITS_BEGIN(tracked_objects::BirthOnThreadSnapshot)
  29   IPC_STRUCT_TRAITS_MEMBER(location)
  30   IPC_STRUCT_TRAITS_MEMBER(thread_name)
  31 IPC_STRUCT_TRAITS_END()
  32
  33 IPC_STRUCT_TRAITS_BEGIN(tracked_objects::DeathDataSnapshot)
  34   IPC_STRUCT_TRAITS_MEMBER(count)
  35   IPC_STRUCT_TRAITS_MEMBER(run_duration_sum)
  36   IPC_STRUCT_TRAITS_MEMBER(run_duration_max)
  37   IPC_STRUCT_TRAITS_MEMBER(run_duration_sample)
  38   IPC_STRUCT_TRAITS_MEMBER(queue_duration_sum)
  39   IPC_STRUCT_TRAITS_MEMBER(queue_duration_max)
  40   IPC_STRUCT_TRAITS_MEMBER(queue_duration_sample)
  41 IPC_STRUCT_TRAITS_END()
  42
  43 IPC_STRUCT_TRAITS_BEGIN(tracked_objects::TaskSnapshot)
  44   IPC_STRUCT_TRAITS_MEMBER(birth)
  45   IPC_STRUCT_TRAITS_MEMBER(death_data)
  46   IPC_STRUCT_TRAITS_MEMBER(death_thread_name)
  47 IPC_STRUCT_TRAITS_END()
  48
  49 IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ParentChildPairSnapshot)
  50   IPC_STRUCT_TRAITS_MEMBER(parent)
  51   IPC_STRUCT_TRAITS_MEMBER(child)
  52 IPC_STRUCT_TRAITS_END()
  53
  54 IPC_STRUCT_TRAITS_BEGIN(tracked_objects::ProcessDataSnapshot)
  55   IPC_STRUCT_TRAITS_MEMBER(tasks)
  56   IPC_STRUCT_TRAITS_MEMBER(descendants)
  57   IPC_STRUCT_TRAITS_MEMBER(process_id)
  58 IPC_STRUCT_TRAITS_END()
  59
  60 IPC_ENUM_TRAITS_MAX_VALUE(gfx::GpuMemoryBufferType,
  61                           gfx::GPU_MEMORY_BUFFER_TYPE_LAST)
  62
  63 #if defined(OS_ANDROID)
  64 IPC_STRUCT_TRAITS_BEGIN(gfx::SurfaceTextureId)
  65   IPC_STRUCT_TRAITS_MEMBER(primary_id)
  66   IPC_STRUCT_TRAITS_MEMBER(secondary_id)
  67 IPC_STRUCT_TRAITS_END()
  68 #endif
  69
  70 IPC_STRUCT_TRAITS_BEGIN(gfx::GpuMemoryBufferHandle)
  71   IPC_STRUCT_TRAITS_MEMBER(type)
  72   IPC_STRUCT_TRAITS_MEMBER(handle)
  73 #if defined(OS_MACOSX)
  74   IPC_STRUCT_TRAITS_MEMBER(io_surface_id)
  75 #endif
  76 #if defined(OS_ANDROID)
  77   IPC_STRUCT_TRAITS_MEMBER(surface_texture_id)
  78 #endif
  79 IPC_STRUCT_TRAITS_END()
  80
  81 #undef IPC_MESSAGE_EXPORT
  82 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  83
  84 #define IPC_MESSAGE_START ChildProcessMsgStart
  85
  86 // Messages sent from the browser to the child process.
  87
  88 // Sent in response to ChildProcessHostMsg_ShutdownRequest to tell the child
  89 // process that it's safe to shutdown.
  90 IPC_MESSAGE_CONTROL0(ChildProcessMsg_Shutdown)
  91
  92 #if defined(IPC_MESSAGE_LOG_ENABLED)
  93 // Tell the child process to begin or end IPC message logging.
  94 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIPCLoggingEnabled,
  95                      bool /* on or off */)
  96 #endif
  97
  98 // Tell the child process to enable or disable the profiler status.
  99 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProfilerStatus,
 100                      tracked_objects::ThreadData::Status /* profiler status */)
 101
 102 // Send to all the child processes to send back profiler data (ThreadData in
 103 // tracked_objects).
 104 IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildProfilerData,
 105                      int /* sequence_number */)
 106
 107 // Send to all the child processes to send back histogram data.
 108 IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildHistogramData,
 109                      int /* sequence_number */)
 110
 111 // Sent to child processes to dump their handle table.
 112 IPC_MESSAGE_CONTROL0(ChildProcessMsg_DumpHandles)
 113
 114 #if defined(USE_TCMALLOC)
 115 // Sent to child process to request tcmalloc stats.
 116 IPC_MESSAGE_CONTROL0(ChildProcessMsg_GetTcmallocStats)
 117 #endif
 118
 119 ////////////////////////////////////////////////////////////////////////////////
 120 // Messages sent from the child process to the browser.
 121
 122 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ShutdownRequest)
 123
 124 // Send back profiler data (ThreadData in tracked_objects).
 125 IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildProfilerData,
 126                      int, /* sequence_number */
 127                      tracked_objects::ProcessDataSnapshot /* profiler_data */)
 128
 129 // Send back histograms as vector of pickled-histogram strings.
 130 IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildHistogramData,
 131                      int, /* sequence_number */
 132                      std::vector<std::string> /* histogram_data */)
 133
 134 // Request a histogram from the browser. The browser will send the histogram
 135 // data only if it has been passed the command line flag
 136 // switches::kDomAutomationController.
 137 IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_GetBrowserHistogram,
 138                             std::string, /* histogram_name */
 139                             std::string /* histogram_json */)
 140
 141 // Reply to ChildProcessMsg_DumpHandles when handle table dump is complete.
 142 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_DumpHandlesDone)
 143
 144 #if defined(OS_WIN)
 145 // Request that the given font be loaded by the host so it's cached by the
 146 // OS. Please see ChildProcessHost::PreCacheFont for details.
 147 IPC_SYNC_MESSAGE_CONTROL1_0(ChildProcessHostMsg_PreCacheFont,
 148                             LOGFONT /* font data */)
 149
 150 // Release the cached font
 151 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ReleaseCachedFonts)
 152 #endif  // defined(OS_WIN)
 153
 154 // Asks the browser to create a block of shared memory for the child process to
 155 // fill in and pass back to the browser.
 156 IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_SyncAllocateSharedMemory,
 157                             uint32 /* buffer size */,
 158                             base::SharedMemoryHandle)
 159
 160 // Asks the browser to create a block of shared memory for the child process to
 161 // fill in and pass back to the browser.
 162 IPC_SYNC_MESSAGE_CONTROL2_1(ChildProcessHostMsg_SyncAllocateSharedBitmap,
 163                             uint32 /* buffer size */,
 164                             cc::SharedBitmapId,
 165                             base::SharedMemoryHandle)
 166
 167 // Informs the browser that the child allocated a shared bitmap.
 168 IPC_MESSAGE_CONTROL3(ChildProcessHostMsg_AllocatedSharedBitmap,
 169                      uint32 /* buffer size */,
 170                      base::SharedMemoryHandle,
 171                      cc::SharedBitmapId)
 172
 173 // Informs the browser that the child deleted a shared bitmap.
 174 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_DeletedSharedBitmap,
 175                      cc::SharedBitmapId)
 176
 177 #if defined(USE_TCMALLOC)
 178 // Reply to ChildProcessMsg_GetTcmallocStats.
 179 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TcmallocStats,
 180                      std::string /* output */)
 181 #endif
 182
 183 // Asks the browser to create a gpu memory buffer.
 184 IPC_SYNC_MESSAGE_CONTROL4_1(ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer,
 185                             uint32 /* width */,
 186                             uint32 /* height */,
 187                             uint32 /* internalformat */,
 188                             uint32 /* usage */,
 189                             gfx::GpuMemoryBufferHandle)