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::GpuMemoryBufferId)
  71   IPC_STRUCT_TRAITS_MEMBER(primary_id)
  72   IPC_STRUCT_TRAITS_MEMBER(secondary_id)
  73 IPC_STRUCT_TRAITS_END()
  74
  75 IPC_STRUCT_TRAITS_BEGIN(gfx::GpuMemoryBufferHandle)
  76   IPC_STRUCT_TRAITS_MEMBER(type)
  77   IPC_STRUCT_TRAITS_MEMBER(handle)
  78   IPC_STRUCT_TRAITS_MEMBER(global_id)
  79 #if defined(OS_MACOSX)
  80   IPC_STRUCT_TRAITS_MEMBER(io_surface_id)
  81 #endif
  82 #if defined(OS_ANDROID)
  83   IPC_STRUCT_TRAITS_MEMBER(surface_texture_id)
  84 #endif
  85 IPC_STRUCT_TRAITS_END()
  86
  87 #undef IPC_MESSAGE_EXPORT
  88 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  89
  90 #define IPC_MESSAGE_START ChildProcessMsgStart
  91
  92 // Messages sent from the browser to the child process.
  93
  94 // Sent in response to ChildProcessHostMsg_ShutdownRequest to tell the child
  95 // process that it's safe to shutdown.
  96 IPC_MESSAGE_CONTROL0(ChildProcessMsg_Shutdown)
  97
  98 #if defined(IPC_MESSAGE_LOG_ENABLED)
  99 // Tell the child process to begin or end IPC message logging.
 100 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetIPCLoggingEnabled,
 101                      bool /* on or off */)
 102 #endif
 103
 104 // Tell the child process to enable or disable the profiler status.
 105 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProfilerStatus,
 106                      tracked_objects::ThreadData::Status /* profiler status */)
 107
 108 // Send to all the child processes to send back profiler data (ThreadData in
 109 // tracked_objects).
 110 IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildProfilerData,
 111                      int /* sequence_number */)
 112
 113 // Send to all the child processes to send back histogram data.
 114 IPC_MESSAGE_CONTROL1(ChildProcessMsg_GetChildHistogramData,
 115                      int /* sequence_number */)
 116
 117 // Sent to child processes to dump their handle table.
 118 IPC_MESSAGE_CONTROL0(ChildProcessMsg_DumpHandles)
 119
 120 // Sent to child processes to tell them to enter or leave background mode.
 121 IPC_MESSAGE_CONTROL1(ChildProcessMsg_SetProcessBackgrounded,
 122                      bool /* background */)
 123
 124 #if defined(USE_TCMALLOC)
 125 // Sent to child process to request tcmalloc stats.
 126 IPC_MESSAGE_CONTROL0(ChildProcessMsg_GetTcmallocStats)
 127 #endif
 128
 129 ////////////////////////////////////////////////////////////////////////////////
 130 // Messages sent from the child process to the browser.
 131
 132 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ShutdownRequest)
 133
 134 // Send back profiler data (ThreadData in tracked_objects).
 135 IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildProfilerData,
 136                      int, /* sequence_number */
 137                      tracked_objects::ProcessDataSnapshot /* profiler_data */)
 138
 139 // Send back histograms as vector of pickled-histogram strings.
 140 IPC_MESSAGE_CONTROL2(ChildProcessHostMsg_ChildHistogramData,
 141                      int, /* sequence_number */
 142                      std::vector<std::string> /* histogram_data */)
 143
 144 // Request a histogram from the browser. The browser will send the histogram
 145 // data only if it has been passed the command line flag
 146 // switches::kDomAutomationController.
 147 IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_GetBrowserHistogram,
 148                             std::string, /* histogram_name */
 149                             std::string /* histogram_json */)
 150
 151 // Reply to ChildProcessMsg_DumpHandles when handle table dump is complete.
 152 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_DumpHandlesDone)
 153
 154 #if defined(OS_WIN)
 155 // Request that the given font be loaded by the host so it's cached by the
 156 // OS. Please see ChildProcessHost::PreCacheFont for details.
 157 IPC_SYNC_MESSAGE_CONTROL1_0(ChildProcessHostMsg_PreCacheFont,
 158                             LOGFONT /* font data */)
 159
 160 // Release the cached font
 161 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ReleaseCachedFonts)
 162 #endif  // defined(OS_WIN)
 163
 164 // Asks the browser to create a block of shared memory for the child process to
 165 // fill in and pass back to the browser.
 166 IPC_SYNC_MESSAGE_CONTROL1_1(ChildProcessHostMsg_SyncAllocateSharedMemory,
 167                             uint32 /* buffer size */,
 168                             base::SharedMemoryHandle)
 169
 170 // Asks the browser to create a block of shared memory for the child process to
 171 // fill in and pass back to the browser.
 172 IPC_SYNC_MESSAGE_CONTROL2_1(ChildProcessHostMsg_SyncAllocateSharedBitmap,
 173                             uint32 /* buffer size */,
 174                             cc::SharedBitmapId,
 175                             base::SharedMemoryHandle)
 176
 177 // Informs the browser that the child allocated a shared bitmap.
 178 IPC_MESSAGE_CONTROL3(ChildProcessHostMsg_AllocatedSharedBitmap,
 179                      uint32 /* buffer size */,
 180                      base::SharedMemoryHandle,
 181                      cc::SharedBitmapId)
 182
 183 // Informs the browser that the child deleted a shared bitmap.
 184 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_DeletedSharedBitmap,
 185                      cc::SharedBitmapId)
 186
 187 #if defined(USE_TCMALLOC)
 188 // Reply to ChildProcessMsg_GetTcmallocStats.
 189 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TcmallocStats,
 190                      std::string /* output */)
 191 #endif
 192
 193 // Asks the browser to create a gpu memory buffer.
 194 IPC_SYNC_MESSAGE_CONTROL4_1(ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer,
 195                             uint32 /* width */,
 196                             uint32 /* height */,
 197                             uint32 /* internalformat */,
 198                             uint32 /* usage */,
 199                             gfx::GpuMemoryBufferHandle)