src/chrome/browser/nacl_host/nacl_broker_service_win.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_BROWSER_NACL_HOST_NACL_BROKER_SERVICE_WIN_H_
   6 #define CHROME_BROWSER_NACL_HOST_NACL_BROKER_SERVICE_WIN_H_
   7
   8 #include <map>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/singleton.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "chrome/browser/nacl_host/nacl_broker_host_win.h"
  14
  15 class NaClProcessHost;
  16
  17 class NaClBrokerService {
  18  public:
  19   // Returns the NaClBrokerService singleton.
  20   static NaClBrokerService* GetInstance();
  21
  22   // Can be called several times, must be called before LaunchLoader.
  23   bool StartBroker();
  24
  25   // Send a message to the broker process, causing it to launch
  26   // a Native Client loader process.
  27   bool LaunchLoader(base::WeakPtr<NaClProcessHost> client,
  28                     const std::string& loader_channel_id);
  29
  30   // Called by NaClBrokerHost to notify the service that a loader was launched.
  31   void OnLoaderLaunched(const std::string& channel_id,
  32                         base::ProcessHandle handle);
  33
  34   // Called by NaClProcessHost when a loader process is terminated
  35   void OnLoaderDied();
  36
  37   bool LaunchDebugExceptionHandler(base::WeakPtr<NaClProcessHost> client,
  38                                    int32 pid,
  39                                    base::ProcessHandle process_handle,
  40                                    const std::string& startup_info);
  41
  42   // Called by NaClBrokerHost to notify the service that a debug
  43   // exception handler was started.
  44   void OnDebugExceptionHandlerLaunched(int32 pid, bool success);
  45
  46  private:
  47   typedef std::map<std::string, base::WeakPtr<NaClProcessHost> >
  48       PendingLaunchesMap;
  49   typedef std::map<int, base::WeakPtr<NaClProcessHost> >
  50       PendingDebugExceptionHandlersMap;
  51
  52   friend struct DefaultSingletonTraits<NaClBrokerService>;
  53
  54   NaClBrokerService();
  55   ~NaClBrokerService() {}
  56
  57   NaClBrokerHost* GetBrokerHost();
  58
  59   int loaders_running_;
  60   PendingLaunchesMap pending_launches_;
  61   PendingDebugExceptionHandlersMap pending_debuggers_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(NaClBrokerService);
  64 };
  65
  66 #endif  // CHROME_BROWSER_NACL_HOST_NACL_BROKER_SERVICE_WIN_H_