chrome/nacl/nacl_broker_listener.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 #ifndef CHROME_NACL_NACL_BROKER_LISTENER_H_
   6 #define CHROME_NACL_NACL_BROKER_LISTENER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/process.h"
  10 #include "chrome/common/nacl_types.h"
  11 #include "content/public/common/sandboxed_process_launcher_delegate.h"
  12 #include "ipc/ipc_listener.h"
  13
  14 namespace IPC {
  15 class Channel;
  16 }
  17
  18 // The BrokerThread class represents the thread that handles the messages from
  19 // the browser process and starts NaCl loader processes.
  20 class NaClBrokerListener : public content::SandboxedProcessLauncherDelegate,
  21                            public IPC::Listener {
  22  public:
  23   NaClBrokerListener();
  24   ~NaClBrokerListener();
  25
  26   void Listen();
  27
  28   // content::SandboxedProcessLauncherDelegate implementation:
  29   virtual void PreSpawnTarget(sandbox::TargetPolicy* policy,
  30                               bool* success) OVERRIDE;
  31
  32   // IPC::Listener implementation.
  33   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
  34   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
  35   virtual void OnChannelError() OVERRIDE;
  36
  37  private:
  38   void OnLaunchLoaderThroughBroker(const std::string& loader_channel_id);
  39   void OnLaunchDebugExceptionHandler(int32 pid,
  40                                      base::ProcessHandle process_handle,
  41                                      const std::string& startup_info);
  42   void OnStopBroker();
  43
  44   base::ProcessHandle browser_handle_;
  45   scoped_ptr<IPC::Channel> channel_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(NaClBrokerListener);
  48 };
  49
  50 #endif  // CHROME_NACL_NACL_BROKER_LISTENER_H_