blob: 02770862327d10701c18eec4a4cd8ba51142cc46 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef IPC_IPC_LISTENER_H_
#define IPC_IPC_LISTENER_H_
#include <stdint.h>
#include "build/build_config.h"
#include "ipc/ipc_export.h"
namespace IPC {
class Message;
// Implemented by consumers of a Channel to receive messages.
class IPC_EXPORT Listener {
public:
// Called when a message is received. Returns true iff the message was
// handled.
virtual bool OnMessageReceived(const Message& message) = 0;
// Called when the channel is connected and we have received the internal
// Hello message from the peer.
virtual void OnChannelConnected(int32_t peer_pid) {}
// Called when an error is detected that causes the channel to close.
// This method is not called when a channel is closed normally.
virtual void OnChannelError() {}
// Called when a message's deserialization failed.
virtual void OnBadMessageReceived(const Message& message) {}
#if defined(OS_POSIX)
// Called on the server side when a channel that listens for connections
// denies an attempt to connect.
virtual void OnChannelDenied() {}
// Called on the server side when a channel that listens for connections
// has an error that causes the listening channel to close.
virtual void OnChannelListenError() {}
#endif // OS_POSIX
protected:
virtual ~Listener() {}
};
} // namespace IPC
#endif // IPC_IPC_LISTENER_H_
|