components/nacl/common/nacl_messages.h

   1 // Copyright 2013 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 // Defines messages between the browser and NaCl process.
   6
   7 // Multiply-included message file, no traditional include guard.
   8 #include "base/process/process.h"
   9 #include "components/nacl/common/nacl_types.h"
  10 #include "ipc/ipc_channel_handle.h"
  11 #include "ipc/ipc_message_macros.h"
  12 #include "ipc/ipc_platform_file.h"
  13
  14 #define IPC_MESSAGE_START NaClMsgStart
  15
  16 IPC_STRUCT_TRAITS_BEGIN(nacl::NaClStartParams)
  17   IPC_STRUCT_TRAITS_MEMBER(handles)
  18   IPC_STRUCT_TRAITS_MEMBER(debug_stub_server_bound_socket)
  19   IPC_STRUCT_TRAITS_MEMBER(validation_cache_enabled)
  20   IPC_STRUCT_TRAITS_MEMBER(validation_cache_key)
  21   IPC_STRUCT_TRAITS_MEMBER(version)
  22   IPC_STRUCT_TRAITS_MEMBER(enable_exception_handling)
  23   IPC_STRUCT_TRAITS_MEMBER(enable_debug_stub)
  24   IPC_STRUCT_TRAITS_MEMBER(enable_ipc_proxy)
  25   IPC_STRUCT_TRAITS_MEMBER(uses_irt)
  26   IPC_STRUCT_TRAITS_MEMBER(enable_dyncode_syscalls)
  27 IPC_STRUCT_TRAITS_END()
  28
  29 //-----------------------------------------------------------------------------
  30 // NaClProcess messages
  31 // These are messages sent between the browser and the NaCl process.
  32 // Tells the NaCl process to start.
  33 IPC_MESSAGE_CONTROL1(NaClProcessMsg_Start,
  34                      nacl::NaClStartParams /* params */)
  35
  36 #if defined(OS_WIN)
  37 // Tells the NaCl broker to launch a NaCl loader process.
  38 IPC_MESSAGE_CONTROL1(NaClProcessMsg_LaunchLoaderThroughBroker,
  39                      std::string /* channel ID for the loader */)
  40
  41 // Notify the browser process that the loader was launched successfully.
  42 IPC_MESSAGE_CONTROL2(NaClProcessMsg_LoaderLaunched,
  43                      std::string,  /* channel ID for the loader */
  44                      base::ProcessHandle /* loader process handle */)
  45
  46 // Tells the NaCl broker to attach a debug exception handler to the
  47 // given NaCl loader process.
  48 IPC_MESSAGE_CONTROL3(NaClProcessMsg_LaunchDebugExceptionHandler,
  49                      int32 /* pid of the NaCl process */,
  50                      base::ProcessHandle /* handle of the NaCl process */,
  51                      std::string /* NaCl internal process layout info */)
  52
  53 // Notify the browser process that the broker process finished
  54 // attaching a debug exception handler to the given NaCl loader
  55 // process.
  56 IPC_MESSAGE_CONTROL2(NaClProcessMsg_DebugExceptionHandlerLaunched,
  57                      int32 /* pid */,
  58                      bool /* success */)
  59
  60 // Notify the broker that all loader processes have been terminated and it
  61 // should shutdown.
  62 IPC_MESSAGE_CONTROL0(NaClProcessMsg_StopBroker)
  63
  64 // Used by the NaCl process to request that a Windows debug exception
  65 // handler be attached to it.
  66 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_AttachDebugExceptionHandler,
  67                             std::string, /* Internal process info */
  68                             bool /* Result */)
  69 #endif
  70
  71 // Used by the NaCl process to query a database in the browser.  The database
  72 // contains the signatures of previously validated code chunks.
  73 IPC_SYNC_MESSAGE_CONTROL1_1(NaClProcessMsg_QueryKnownToValidate,
  74                             std::string, /* A validation signature */
  75                             bool /* Can validation be skipped? */)
  76
  77 // Used by the NaCl process to add a validation signature to the validation
  78 // database in the browser.
  79 IPC_MESSAGE_CONTROL1(NaClProcessMsg_SetKnownToValidate,
  80                      std::string /* A validation signature */)
  81
  82 // Used by the NaCl process to acquire trusted information about a file directly
  83 // from the browser, including the file's path as well as a fresh version of the
  84 // file handle.
  85 IPC_SYNC_MESSAGE_CONTROL2_2(NaClProcessMsg_ResolveFileToken,
  86                             uint64, /* file_token_lo */
  87                             uint64, /* file_token_hi */
  88                             IPC::PlatformFileForTransit, /* fd */
  89                             base::FilePath /* Path opened to get fd */)
  90
  91 // Notify the browser process that the server side of the PPAPI channel was
  92 // created successfully.
  93 IPC_MESSAGE_CONTROL1(NaClProcessHostMsg_PpapiChannelCreated,
  94                      IPC::ChannelHandle /* channel_handle */)