150d457d
 Hu Chunming
代码暂存，未完成
|
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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
|
#include "RTPReceiver2.h"
#include "rtppacket.h"
#include <thread>
#include "../common_header.h"
#include "../websocket/WebsocketClient.h"
#ifdef __linux__
#include "arpa/inet.h"
#endif
#include "Rtp.h"
const int MAX_RTP_BUFFER_SIZE = 1024*1024*10;
#define Server_cache_max_size 4194304 // 1M = 1 * 1024 * 1024 = 1048576 字节
#define Server_rtp_max_size 1800
RTPReceiver2::RTPReceiver2()
{
mRecvCache = (uint8_t*)malloc(Server_cache_max_size);
mRecvRtpBuffer = (uint8_t*)malloc(Server_rtp_max_size);
}
RTPReceiver2::~RTPReceiver2(){
if (mRecvCache) {
free(mRecvCache);
mRecvCache = nullptr;
}
if (mRecvRtpBuffer) {
free(mRecvRtpBuffer);
mRecvRtpBuffer = nullptr;
}
}
int RTPReceiver2::init(const char* ip, uint16_t port, bool isUdp) {
if (!isUdp) {
LOG_INFO("tcp://%s:%d", ip, port);
startTcpServer(ip, port);
}
else {
LOG_INFO("udp://%s:%d", ip, port);
startUdpServer(ip, port);
}
}
int RTPReceiver2::startUdpServer(const char* ip, uint16_t port) {
int server_fd, ret;
struct sockaddr_in ser_addr;
server_fd = socket(AF_INET, SOCK_DGRAM, 0); //AF_INET:IPV4;SOCK_DGRAM:UDP
if(server_fd < 0)
{
printf("create socket fail!\n");
return -1;
}
memset(&ser_addr, 0, sizeof(ser_addr));
ser_addr.sin_family = AF_INET;
ser_addr.sin_addr.s_addr = htonl(INADDR_ANY); //IP地址，需要进行网络序转换，INADDR_ANY：本地地址
ser_addr.sin_port = htons(port); //端口号，需要网络序转换
ret = bind(server_fd, (struct sockaddr*)&ser_addr, sizeof(ser_addr));
if(ret < 0)
{
printf("socket bind fail!\n");
return -1;
}
char recvBuf[10000];
int recvBufSize;
socklen_t len;
struct sockaddr_in clent_addr; //clent_addr用于记录发送方的地址信息
while(!m_bRtpExit)
{
memset(recvBuf, 0, sizeof(recvBuf));
len = sizeof(clent_addr);
recvBufSize = recvfrom(server_fd, recvBuf, sizeof(recvBuf), 0, (struct sockaddr*)&clent_addr, &len); //recvfrom是拥塞函数，没有数据就一直拥塞
if(recvBufSize <= 0) {
printf("recieve data fail!\n");
break;
}
if ((mPlayer->bufferSize + recvBufSize - RTP_HEADER_SIZE) < MAX_RTP_BUFFER_SIZE) {
memcpy(mPlayer->buffer + mPlayer->bufferSize, recvBuf + RTP_HEADER_SIZE, recvBufSize - RTP_HEADER_SIZE);
mPlayer->bufferSize += recvBufSize - RTP_HEADER_SIZE;
} else {
LOG_ERROR("recvBufSize = {} over GB28181Player_buffer_max_size ", recvBufSize);
}
}
close(server_fd);
return 0;
}
int RTPReceiver2::startTcpServer(const char* ip, uint16_t port) {
int listenfd, connfd;
struct sockaddr_in servaddr;
char buff[4096];
int n;
if( (listenfd = socket(AF_INET, SOCK_STREAM, 0)) == -1 ){
printf("create socket error: %s(errno: %d)\n",strerror(errno),errno);
return 0;
}
memset(&servaddr, 0, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(port);
if( bind(listenfd, (struct sockaddr*)&servaddr, sizeof(servaddr)) == -1){
printf("bind socket error: %s(errno: %d)\n",strerror(errno),errno);
return 0;
}
if( listen(listenfd, 10) == -1){
printf("listen socket error: %s(errno: %d)\n",strerror(errno),errno);
return 0;
}
char recvBuf[10000];
int recvBufSize = 0;
while (!m_bRtpExit)
{
LOG_INFO("阻塞监听新连接...");
// 阻塞接收请求 start
int clientFd = accept(listenfd, (struct sockaddr*)NULL, NULL);
if (clientFd < 0) {
LOG_ERROR("accept connection error");
continue;
}
// 阻塞接收请求 end
LOG_INFO("发现新连接：clientFd=%d", clientFd);
while (!m_bRtpExit) {
recvBufSize = recv(clientFd, recvBuf, sizeof(recvBuf), 0);
if (recvBufSize <= 0) {
LOG_ERROR("::recv error: clientFd={},recvBufSize={}", clientFd, recvBufSize);
break;
}
parseTcpData(recvBuf, recvBufSize);
}
close(clientFd);
LOG_INFO("关闭连接 clientFd={}", clientFd);
}
close(listenfd);
return 0;
}
void RTPReceiver2::parseTcpData(char* recvBuf, int recvBufSize) {
if ((mRecvCacheSize + recvBufSize) > Server_cache_max_size) {
LOG_ERROR("超过缓冲容量上限，忽略本次读取的数据。mRecvCacheSize=%d,recvBufSize=%d",mRecvCacheSize, recvBufSize);
}
else {
memcpy(mRecvCache + mRecvCacheSize, recvBuf, recvBufSize);
mRecvCacheSize += recvBufSize;
}
//LOGI("cacheSize=%d，开始进入解析 ... ...", cacheSize);
while (true) {
if (mRecvCacheSize > 2) {
bool success = false;
if (mRecvCacheSize > 2) {
mRecvRtpBufferSize = ntohs(*(int16_t*)(mRecvCache));
if ((mRecvCacheSize - 2) >= mRecvRtpBufferSize) {
success = true;
}
}
if (success) {
mRecvCacheSize -= 2;
mRecvCacheSize -= mRecvRtpBufferSize;
// 提取RTP
memcpy(mRecvRtpBuffer, mRecvCache + 2, mRecvRtpBufferSize);
memmove(mRecvCache, mRecvCache + 2 + mRecvRtpBufferSize, mRecvCacheSize);
// RTP
RtpHeader rtpHeader;
parseRtpHeader(mRecvRtpBuffer, &rtpHeader);
printf("get a rtp seq=%d,RtpBufferSize=%d,mRecvCacheSize=%d,marker=%d,timestamp=%d\n",
rtpHeader.seq,
mRecvRtpBufferSize,
mRecvCacheSize,rtpHeader.marker, rtpHeader.timestamp);
// 将从mRecvCache提取出来的rtp字节流 mRecvRtpBuffer去掉RTP_HEADER_SIZE，存储到播放器缓存中
if ((mPlayer->bufferSize + mRecvRtpBufferSize - RTP_HEADER_SIZE) < MAX_RTP_BUFFER_SIZE) {
memcpy(mPlayer->buffer + mPlayer->bufferSize, mRecvRtpBuffer + RTP_HEADER_SIZE, mRecvRtpBufferSize - RTP_HEADER_SIZE);
mPlayer->bufferSize += mRecvRtpBufferSize - RTP_HEADER_SIZE;
}
else {
LOG_ERROR("recvBufSize = %d over MAX_RTP_BUFFER_SIZE ", recvBufSize);
}
}
else {
//LOGI("跳出解析:cacheSize=%d,pktSize=%d", cacheSize, pktSize);
break;
}
}
else {
//LOGI("跳出解析:缓冲数据未发现完整数据包");
break;
}
}
}
int RTPReceiver2::allocRtpPort() {
WebsocketClient* pServer = WebsocketClient::getInstance();
int MIN_RTP_PORT = pServer->GetMinRtpPort() ;
int MAX_RTP_PORT = pServer->GetMaxRtpPort();
int s_rtpPort = MIN_RTP_PORT;
srand((unsigned int)time(NULL));
s_rtpPort = MIN_RTP_PORT + (rand() % MIN_RTP_PORT);
if (s_rtpPort % 2)
++s_rtpPort;
int count = 0;
while (true)
{
if (s_rtpPort >= MAX_RTP_PORT) {
s_rtpPort = MIN_RTP_PORT;
count ++;
if (count > 1) {
LOG_ERROR("[{}] - 范围内没有可用的port", m_SipChannelId);
}
}
int i = 0;
for (; i < 2; i++) {
sockaddr_in sRecvAddr;
int s = socket(AF_INET, SOCK_DGRAM, 0);
sRecvAddr.sin_family = AF_INET;
sRecvAddr.sin_addr.s_addr = htonl(INADDR_ANY);
sRecvAddr.sin_port = htons(s_rtpPort + i);
int nResult = bind(s, (sockaddr *)&sRecvAddr, sizeof(sRecvAddr));
if (nResult != 0) {
break;
}
nResult = close(s);
if (nResult != 0) {
LOG_ERROR("[{}] - closesocket failed : {}", m_SipChannelId, nResult);
break;
}
}
if (i == 2)
break;
s_rtpPort += 2;
}
return s_rtpPort;
}
void RTPReceiver2::RequestStreamFailed() {
m_bRtpExit = true;
}
|
