chrome/service/service_ipc_server.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_SERVICE_SERVICE_IPC_SERVER_H_
   6 #define CHROME_SERVICE_SERVICE_IPC_SERVER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/scoped_ptr.h"
  12 #include "ipc/ipc_channel_handle.h"
  13 #include "ipc/ipc_listener.h"
  14 #include "ipc/ipc_sync_channel.h"
  15 #include "ipc/ipc_sync_message_filter.h"
  16 #include "ipc/ipc_sender.h"
  17
  18 namespace base {
  19
  20 class DictionaryValue;
  21 class HistogramDeltaSerialization;
  22
  23 }  // namespace base
  24
  25 // This class handles IPC commands for the service process.
  26 class ServiceIPCServer : public IPC::Listener, public IPC::Sender {
  27  public:
  28   explicit ServiceIPCServer(const IPC::ChannelHandle& handle);
  29   ~ServiceIPCServer() override;
  30
  31   bool Init();
  32
  33   // IPC::Sender implementation.
  34   bool Send(IPC::Message* msg) override;
  35
  36   IPC::SyncChannel* channel() { return channel_.get(); }
  37
  38   // Safe to call on any thread, as long as it's guaranteed that the thread's
  39   // lifetime is less than the main thread.
  40   IPC::SyncMessageFilter* sync_message_filter() {
  41     return sync_message_filter_.get();
  42   }
  43
  44   bool is_client_connected() const { return client_connected_; }
  45
  46
  47  private:
  48   friend class MockServiceIPCServer;
  49
  50   // IPC::Listener implementation.
  51   bool OnMessageReceived(const IPC::Message& msg) override;
  52   void OnChannelConnected(int32 peer_pid) override;
  53   void OnChannelError() override;
  54
  55   // IPC message handlers.
  56   void OnEnableCloudPrintProxyWithRobot(
  57       const std::string& robot_auth_code,
  58       const std::string& robot_email,
  59       const std::string& user_email,
  60       const base::DictionaryValue& user_settings);
  61   void OnGetCloudPrintProxyInfo();
  62   void OnGetHistograms();
  63   void OnGetPrinters();
  64   void OnDisableCloudPrintProxy();
  65
  66   void OnShutdown();
  67   void OnUpdateAvailable();
  68
  69   // Helper method to create the sync channel.
  70   void CreateChannel();
  71
  72   IPC::ChannelHandle channel_handle_;
  73   scoped_ptr<IPC::SyncChannel> channel_;
  74   // Indicates whether a client is currently connected to the channel.
  75   bool client_connected_;
  76
  77   // Allows threads other than the main thread to send sync messages.
  78   scoped_refptr<IPC::SyncMessageFilter> sync_message_filter_;
  79
  80   // Calculates histograms deltas.
  81   scoped_ptr<base::HistogramDeltaSerialization> histogram_delta_serializer_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(ServiceIPCServer);
  84 };
  85
  86 #endif  // CHROME_SERVICE_SERVICE_IPC_SERVER_H_