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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 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 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_
     71