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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef IPC_IPC_LISTENER_H_ | 5 #ifndef IPC_IPC_LISTENER_H_ |
6 #define IPC_IPC_LISTENER_H_ | 6 #define IPC_IPC_LISTENER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include <stdint.h> |
| 9 |
9 #include "build/build_config.h" | 10 #include "build/build_config.h" |
10 #include "ipc/ipc_export.h" | 11 #include "ipc/ipc_export.h" |
11 | 12 |
12 namespace IPC { | 13 namespace IPC { |
13 | 14 |
14 class Message; | 15 class Message; |
15 | 16 |
16 // Implemented by consumers of a Channel to receive messages. | 17 // Implemented by consumers of a Channel to receive messages. |
17 class IPC_EXPORT Listener { | 18 class IPC_EXPORT Listener { |
18 public: | 19 public: |
19 // Called when a message is received. Returns true iff the message was | 20 // Called when a message is received. Returns true iff the message was |
20 // handled. | 21 // handled. |
21 virtual bool OnMessageReceived(const Message& message) = 0; | 22 virtual bool OnMessageReceived(const Message& message) = 0; |
22 | 23 |
23 // Called when the channel is connected and we have received the internal | 24 // Called when the channel is connected and we have received the internal |
24 // Hello message from the peer. | 25 // Hello message from the peer. |
25 virtual void OnChannelConnected(int32 peer_pid) {} | 26 virtual void OnChannelConnected(int32_t peer_pid) {} |
26 | 27 |
27 // Called when an error is detected that causes the channel to close. | 28 // Called when an error is detected that causes the channel to close. |
28 // This method is not called when a channel is closed normally. | 29 // This method is not called when a channel is closed normally. |
29 virtual void OnChannelError() {} | 30 virtual void OnChannelError() {} |
30 | 31 |
31 // Called when a message's deserialization failed. | 32 // Called when a message's deserialization failed. |
32 virtual void OnBadMessageReceived(const Message& message) {} | 33 virtual void OnBadMessageReceived(const Message& message) {} |
33 | 34 |
34 #if defined(OS_POSIX) | 35 #if defined(OS_POSIX) |
35 // Called on the server side when a channel that listens for connections | 36 // Called on the server side when a channel that listens for connections |
36 // denies an attempt to connect. | 37 // denies an attempt to connect. |
37 virtual void OnChannelDenied() {} | 38 virtual void OnChannelDenied() {} |
38 | 39 |
39 // Called on the server side when a channel that listens for connections | 40 // Called on the server side when a channel that listens for connections |
40 // has an error that causes the listening channel to close. | 41 // has an error that causes the listening channel to close. |
41 virtual void OnChannelListenError() {} | 42 virtual void OnChannelListenError() {} |
42 #endif // OS_POSIX | 43 #endif // OS_POSIX |
43 | 44 |
44 protected: | 45 protected: |
45 virtual ~Listener() {} | 46 virtual ~Listener() {} |
46 }; | 47 }; |
47 | 48 |
48 } // namespace IPC | 49 } // namespace IPC |
49 | 50 |
50 #endif // IPC_IPC_LISTENER_H_ | 51 #endif // IPC_IPC_LISTENER_H_ |
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