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      1 // Copyright (c) 2011 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 #include "chrome/browser/nacl_host/nacl_broker_host_win.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/path_service.h"
      9 #include "ipc/ipc_switches.h"
     10 #include "chrome/browser/nacl_host/nacl_broker_service_win.h"
     11 #include "chrome/browser/nacl_host/nacl_process_host.h"
     12 #include "chrome/common/chrome_constants.h"
     13 #include "chrome/common/chrome_switches.h"
     14 #include "chrome/common/nacl_cmd_line.h"
     15 #include "chrome/common/nacl_messages.h"
     16 
     17 NaClBrokerHost::NaClBrokerHost()
     18     : BrowserChildProcessHost(NACL_BROKER_PROCESS),
     19       stopping_(false) {
     20 }
     21 
     22 NaClBrokerHost::~NaClBrokerHost() {
     23 }
     24 
     25 bool NaClBrokerHost::Init() {
     26   // Create the channel that will be used for communicating with the broker.
     27   if (!CreateChannel())
     28     return false;
     29 
     30   // Create the path to the nacl broker/loader executable.
     31   FilePath module_path;
     32   if (!PathService::Get(base::FILE_MODULE, &module_path))
     33     return false;
     34 
     35   FilePath nacl_path = module_path.DirName().Append(chrome::kNaClAppName);
     36   CommandLine* cmd_line = new CommandLine(nacl_path);
     37   nacl::CopyNaClCommandLineArguments(cmd_line);
     38 
     39   cmd_line->AppendSwitchASCII(switches::kProcessType,
     40                               switches::kNaClBrokerProcess);
     41 
     42   cmd_line->AppendSwitchASCII(switches::kProcessChannelID, channel_id());
     43 
     44   BrowserChildProcessHost::Launch(FilePath(), cmd_line);
     45   return true;
     46 }
     47 
     48 bool NaClBrokerHost::OnMessageReceived(const IPC::Message& msg) {
     49   bool handled = true;
     50   IPC_BEGIN_MESSAGE_MAP(NaClBrokerHost, msg)
     51     IPC_MESSAGE_HANDLER(NaClProcessMsg_LoaderLaunched, OnLoaderLaunched)
     52     IPC_MESSAGE_UNHANDLED(handled = false)
     53   IPC_END_MESSAGE_MAP()
     54   return handled;
     55 }
     56 
     57 bool NaClBrokerHost::LaunchLoader(
     58     const std::wstring& loader_channel_id) {
     59   return Send(new NaClProcessMsg_LaunchLoaderThroughBroker(loader_channel_id));
     60 }
     61 
     62 void NaClBrokerHost::OnLoaderLaunched(const std::wstring& loader_channel_id,
     63                                       base::ProcessHandle handle) {
     64   NaClBrokerService::GetInstance()->OnLoaderLaunched(loader_channel_id, handle);
     65 }
     66 
     67 void NaClBrokerHost::StopBroker() {
     68   stopping_ = true;
     69   Send(new NaClProcessMsg_StopBroker());
     70 }
     71