3d2ab595
 Hu Chunming
支持gb28181
|
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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
#include "rtpconfig.h"
#include "rtpabortdescriptors.h"
#include "rtperrors.h"
#include "rtpsocketutilinternal.h"
#include "rtptimeutilities.h"
#include <stdlib.h>
#include <iostream>
using namespace std;
using namespace jrtplib;
#ifdef RTP_SUPPORT_THREAD
#include <jthread/jthread.h>
using namespace jthread;
void checkError(int status)
{
if (status >= 0)
return;
cerr << "ERROR: " << RTPGetErrorString(status) << endl;
exit(-1);
}
class SignalThread : public JThread
{
public:
SignalThread(RTPAbortDescriptors &a, double delay, int sigCount) : m_ad(a), m_delay(delay), m_sigCount(sigCount)
{
}
~SignalThread()
{
while (IsRunning())
{
cout << "Waiting for thread to finish" << endl;
RTPTime::Wait(RTPTime(1.0));
}
}
private:
void *Thread()
{
JThread::ThreadStarted();
cout << "Thread started, waiting " << m_delay << " seconds before sending abort signal" << endl;
RTPTime::Wait(RTPTime(m_delay));
cout << "Sending " << m_sigCount << " abort signals" << endl;
for (int i = 0 ; i < m_sigCount ; i++)
m_ad.SendAbortSignal();
cout << "Thread finished" << endl;
return 0;
}
RTPAbortDescriptors &m_ad;
const double m_delay;
const int m_sigCount;
};
void test1()
{
RTPAbortDescriptors ad;
SignalThread st(ad, 5, 1);
st.Start();
checkError(ad.Init());
fd_set fdset;
FD_ZERO(&fdset);
FD_SET(ad.GetAbortSocket(), &fdset);
if (select(FD_SETSIZE, &fdset, 0, 0, 0) < 0)
{
cerr << "Error in select" << endl;
exit(-1);
}
cout << "Checking if select keeps triggering" << endl;
int count = 0;
RTPTime start = RTPTime::CurrentTime();
while (count < 5)
{
count++;
struct timeval tv = { 1, 0 };
if (select(FD_SETSIZE, &fdset, 0, 0, &tv) < 0)
{
cerr << "Error in select" << endl;
exit(-1);
}
}
RTPTime delay = RTPTime::CurrentTime();
delay -= start;
cout << "Elapsed time is " << delay.GetDouble();
if (delay.GetDouble() < 1.0)
cout << ", seems OK" << endl;
else
cout << ", TAKES TOO LONG!" << endl;
}
void test2()
{
RTPAbortDescriptors ad;
SignalThread st(ad, 5, 5);
st.Start();
checkError(ad.Init());
fd_set fdset;
FD_ZERO(&fdset);
FD_SET(ad.GetAbortSocket(), &fdset);
if (select(FD_SETSIZE, &fdset, 0, 0, 0) < 0)
{
cerr << "Error in select" << endl;
exit(-1);
}
cout << "Reading one signalling byte, should continue immediately since we've sent multiple signals" << endl;
ad.ReadSignallingByte();
if (select(FD_SETSIZE, &fdset, 0, 0, 0) < 0)
{
cerr << "Error in select" << endl;
exit(-1);
}
cout << "Clearing abort signals" << endl;
ad.ClearAbortSignal();
cout << "Waiting for signal, should timeout after one second since we've cleared the signal buffers" << endl;
struct timeval tv = { 1, 0 };
RTPTime start = RTPTime::CurrentTime();
if (select(FD_SETSIZE, &fdset, 0, 0, &tv) < 0)
{
cerr << "Error in select" << endl;
exit(-1);
}
RTPTime delay = RTPTime::CurrentTime();
delay -= start;
cout << "Elapsed time is " << delay.GetDouble();
if (delay.GetDouble() < 1.0)
cout << ", BUFFER NOT CLEARED?" << endl;
else
cout << ", seems OK" << endl;
}
int main(void)
{
#ifdef RTP_SOCKETTYPE_WINSOCK
WSADATA dat;
WSAStartup(MAKEWORD(2, 2), &dat);
#endif // RTP_SOCKETTYPE_WINSOCK
test1();
test2();
#ifdef RTP_SOCKETTYPE_WINSOCK
WSACleanup();
#endif // RTP_SOCKETTYPE_WINSOCK
return 0;
}
#else
int main(void)
{
cerr << "Thread support is needed for this example" << endl;
return 0;
}
#endif // RTP_SUPPORT_THREAD
|
