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1 /*
2  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef WEBRTC_TEST_CHANNEL_TRANSPORT_UDP_SOCKET_MANAGER_POSIX_H_
12 #define WEBRTC_TEST_CHANNEL_TRANSPORT_UDP_SOCKET_MANAGER_POSIX_H_
13 
14 #include <sys/types.h>
15 #include <unistd.h>
16 
17 #include <list>
18 #include <map>
19 
20 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
21 #include "webrtc/system_wrappers/interface/thread_wrapper.h"
22 #include "webrtc/test/channel_transport/udp_socket_manager_wrapper.h"
23 #include "webrtc/test/channel_transport/udp_socket_wrapper.h"
24 
25 namespace webrtc {
26 
27 class ConditionVariableWrapper;
28 
29 namespace test {
30 
31 class UdpSocketPosix;
32 class UdpSocketManagerPosixImpl;
33 #define MAX_NUMBER_OF_SOCKET_MANAGERS_LINUX 8
34 
35 class UdpSocketManagerPosix : public UdpSocketManager
36 {
37 public:
38     UdpSocketManagerPosix();
39     virtual ~UdpSocketManagerPosix();
40 
41     virtual bool Init(int32_t id, uint8_t& numOfWorkThreads) OVERRIDE;
42 
43     virtual int32_t ChangeUniqueId(const int32_t id) OVERRIDE;
44 
45     virtual bool Start() OVERRIDE;
46     virtual bool Stop() OVERRIDE;
47 
48     virtual bool AddSocket(UdpSocketWrapper* s) OVERRIDE;
49     virtual bool RemoveSocket(UdpSocketWrapper* s) OVERRIDE;
50 private:
51     int32_t _id;
52     CriticalSectionWrapper* _critSect;
53     uint8_t _numberOfSocketMgr;
54     uint8_t _incSocketMgrNextTime;
55     uint8_t _nextSocketMgrToAssign;
56     UdpSocketManagerPosixImpl* _socketMgr[MAX_NUMBER_OF_SOCKET_MANAGERS_LINUX];
57 };
58 
59 class UdpSocketManagerPosixImpl
60 {
61 public:
62     UdpSocketManagerPosixImpl();
63     virtual ~UdpSocketManagerPosixImpl();
64 
65     virtual bool Start();
66     virtual bool Stop();
67 
68     virtual bool AddSocket(UdpSocketWrapper* s);
69     virtual bool RemoveSocket(UdpSocketWrapper* s);
70 
71 protected:
72     static bool Run(ThreadObj obj);
73     bool Process();
74     void UpdateSocketMap();
75 
76 private:
77     typedef std::list<UdpSocketWrapper*> SocketList;
78     typedef std::list<SOCKET> FdList;
79     ThreadWrapper* _thread;
80     CriticalSectionWrapper* _critSectList;
81 
82     fd_set _readFds;
83 
84     std::map<SOCKET, UdpSocketPosix*> _socketMap;
85     SocketList _addList;
86     FdList _removeList;
87 };
88 
89 }  // namespace test
90 }  // namespace webrtc
91 
92 #endif  // WEBRTC_TEST_CHANNEL_TRANSPORT_UDP_SOCKET_MANAGER_POSIX_H_
93