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      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_
     67