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
18namespace base {
19
20class DictionaryValue;
21class HistogramDeltaSerialization;
22
23}  // namespace base
24
25// This class handles IPC commands for the service process.
26class ServiceIPCServer : public IPC::Listener, public IPC::Sender {
27 public:
28  explicit ServiceIPCServer(const IPC::ChannelHandle& handle);
29  virtual ~ServiceIPCServer();
30
31  bool Init();
32
33  // IPC::Sender implementation.
34  virtual 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  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
52  virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
53  virtual 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_
87