components/nacl/browser/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 COMPONENTS_NACL_BROWSER_NACL_BROKER_SERVICE_WIN_H_
   6 #define COMPONENTS_NACL_BROWSER_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 "components/nacl/browser/nacl_broker_host_win.h"
  14
  15 namespace nacl {
  16
  17 class NaClProcessHost;
  18
  19 class NaClBrokerService {
  20  public:
  21   // Returns the NaClBrokerService singleton.
  22   static NaClBrokerService* GetInstance();
  23
  24   // Can be called several times, must be called before LaunchLoader.
  25   bool StartBroker();
  26
  27   // Send a message to the broker process, causing it to launch
  28   // a Native Client loader process.
  29   bool LaunchLoader(base::WeakPtr<NaClProcessHost> client,
  30                     const std::string& loader_channel_id);
  31
  32   // Called by NaClBrokerHost to notify the service that a loader was launched.
  33   void OnLoaderLaunched(const std::string& channel_id,
  34                         base::ProcessHandle handle);
  35
  36   // Called by NaClProcessHost when a loader process is terminated
  37   void OnLoaderDied();
  38
  39   bool LaunchDebugExceptionHandler(base::WeakPtr<NaClProcessHost> client,
  40                                    int32 pid,
  41                                    base::ProcessHandle process_handle,
  42                                    const std::string& startup_info);
  43
  44   // Called by NaClBrokerHost to notify the service that a debug
  45   // exception handler was started.
  46   void OnDebugExceptionHandlerLaunched(int32 pid, bool success);
  47
  48  private:
  49   typedef std::map<std::string, base::WeakPtr<NaClProcessHost> >
  50       PendingLaunchesMap;
  51   typedef std::map<int, base::WeakPtr<NaClProcessHost> >
  52       PendingDebugExceptionHandlersMap;
  53
  54   friend struct base::DefaultSingletonTraits<NaClBrokerService>;
  55
  56   NaClBrokerService();
  57   ~NaClBrokerService();
  58
  59   NaClBrokerHost* GetBrokerHost();
  60
  61   int loaders_running_;
  62   PendingLaunchesMap pending_launches_;
  63   PendingDebugExceptionHandlersMap pending_debuggers_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(NaClBrokerService);
  66 };
  67
  68 }  // namespace nacl
  69
  70 #endif  // COMPONENTS_NACL_BROWSER_NACL_BROKER_SERVICE_WIN_H_