blob: 34c78a15e87a85d7980c31a7a5f03326969766f8 (
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
// 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.
// P2PSocketDispatcher is a per-renderer object that dispatchers all
// P2P messages received from the browser and relays all P2P messages
// sent to the browser. P2PSocketClient instances register themselves
// with the dispatcher using RegisterClient() and UnregisterClient().
//
// Relationship of classes.
//
// P2PSocketHost P2PSocketClient
// ^ ^
// | |
// v IPC v
// P2PSocketDispatcherHost <---------> P2PSocketDispatcher
//
// P2PSocketDispatcher receives and dispatches messages on the
// IO thread.
#ifndef CONTENT_RENDERER_P2P_SOCKET_DISPATCHER_H_
#define CONTENT_RENDERER_P2P_SOCKET_DISPATCHER_H_
#include <vector>
#include "base/callback_forward.h"
#include "base/compiler_specific.h"
#include "base/id_map.h"
#include "base/observer_list_threadsafe.h"
#include "base/synchronization/lock.h"
#include "content/common/content_export.h"
#include "content/common/p2p_sockets.h"
#include "ipc/ipc_channel_proxy.h"
#include "net/base/net_util.h"
namespace base {
class MessageLoopProxy;
} // namespace base
namespace net {
class IPEndPoint;
} // namespace net
namespace content {
class NetworkListObserver;
class RenderViewImpl;
class P2PHostAddressRequest;
class P2PSocketClient;
class CONTENT_EXPORT P2PSocketDispatcher
: public IPC::ChannelProxy::MessageFilter {
public:
P2PSocketDispatcher(base::MessageLoopProxy* ipc_message_loop);
// Add a new network list observer. Each observer is called
// immidiately after it is registered and then later whenever
// network configuration changes. Can be called on any thread. The
// observer is always called on the thread it was added.
void AddNetworkListObserver(NetworkListObserver* network_list_observer);
// Removes network list observer. Must be called on the thread on
// which the observer was added.
void RemoveNetworkListObserver(NetworkListObserver* network_list_observer);
protected:
virtual ~P2PSocketDispatcher();
private:
friend class P2PHostAddressRequest;
friend class P2PSocketClient;
// Send a message asynchronously.
virtual void Send(IPC::Message* message);
// IPC::ChannelProxy::MessageFilter override. Called on IO thread.
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE;
virtual void OnFilterRemoved() OVERRIDE;
virtual void OnChannelClosing() OVERRIDE;
// Returns the IO message loop.
base::MessageLoopProxy* message_loop();
// Called by P2PSocketClient.
int RegisterClient(P2PSocketClient* client);
void UnregisterClient(int id);
void SendP2PMessage(IPC::Message* msg);
// Called by DnsRequest.
int RegisterHostAddressRequest(P2PHostAddressRequest* request);
void UnregisterHostAddressRequest(int id);
// Incoming message handlers.
void OnNetworkListChanged(const net::NetworkInterfaceList& networks);
void OnGetHostAddressResult(int32 request_id,
const net::IPAddressNumber& address);
void OnSocketCreated(int socket_id, const net::IPEndPoint& address);
void OnIncomingTcpConnection(int socket_id, const net::IPEndPoint& address);
void OnSendComplete(int socket_id);
void OnError(int socket_id);
void OnDataReceived(int socket_id, const net::IPEndPoint& address,
const std::vector<char>& data);
P2PSocketClient* GetClient(int socket_id);
scoped_refptr<base::MessageLoopProxy> message_loop_;
IDMap<P2PSocketClient> clients_;
IDMap<P2PHostAddressRequest> host_address_requests_;
bool network_notifications_started_;
scoped_refptr<ObserverListThreadSafe<NetworkListObserver> >
network_list_observers_;
IPC::Channel* channel_;
DISALLOW_COPY_AND_ASSIGN(P2PSocketDispatcher);
};
} // namespace content
#endif // CONTENT_RENDERER_P2P_SOCKET_DISPATCHER_H_
|
