source: UsbWattMeter/trunk/curl-7.47.1/lib/curl_rtmp.c@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 8 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-csrc
File size: 11.0 KB
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1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 2012 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
9 * Copyright (C) 2010, Howard Chu, <hyc@highlandsun.com>
10 *
11 * This software is licensed as described in the file COPYING, which
12 * you should have received as part of this distribution. The terms
13 * are also available at https://curl.haxx.se/docs/copyright.html.
14 *
15 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
16 * copies of the Software, and permit persons to whom the Software is
17 * furnished to do so, under the terms of the COPYING file.
18 *
19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 * KIND, either express or implied.
21 *
22 ***************************************************************************/
23
24#include "curl_setup.h"
25
26#ifdef USE_LIBRTMP
27
28#include "urldata.h"
29#include "nonblock.h" /* for curlx_nonblock */
30#include "progress.h" /* for Curl_pgrsSetUploadSize */
31#include "transfer.h"
32#include "warnless.h"
33#include <curl/curl.h>
34#include <librtmp/rtmp.h>
35#include "curl_memory.h"
36/* The last #include file should be: */
37#include "memdebug.h"
38
39#ifdef _WIN32
40#define setsockopt(a,b,c,d,e) (setsockopt)(a,b,c,(const char *)d,(int)e)
41#define SET_RCVTIMEO(tv,s) int tv = s*1000
42#else
43#define SET_RCVTIMEO(tv,s) struct timeval tv = {s,0}
44#endif
45
46#define DEF_BUFTIME (2*60*60*1000) /* 2 hours */
47
48static CURLcode rtmp_setup_connection(struct connectdata *conn);
49static CURLcode rtmp_do(struct connectdata *conn, bool *done);
50static CURLcode rtmp_done(struct connectdata *conn, CURLcode, bool premature);
51static CURLcode rtmp_connect(struct connectdata *conn, bool *done);
52static CURLcode rtmp_disconnect(struct connectdata *conn, bool dead);
53
54static Curl_recv rtmp_recv;
55static Curl_send rtmp_send;
56
57/*
58 * RTMP protocol handler.h, based on https://rtmpdump.mplayerhq.hu
59 */
60
61const struct Curl_handler Curl_handler_rtmp = {
62 "RTMP", /* scheme */
63 rtmp_setup_connection, /* setup_connection */
64 rtmp_do, /* do_it */
65 rtmp_done, /* done */
66 ZERO_NULL, /* do_more */
67 rtmp_connect, /* connect_it */
68 ZERO_NULL, /* connecting */
69 ZERO_NULL, /* doing */
70 ZERO_NULL, /* proto_getsock */
71 ZERO_NULL, /* doing_getsock */
72 ZERO_NULL, /* domore_getsock */
73 ZERO_NULL, /* perform_getsock */
74 rtmp_disconnect, /* disconnect */
75 ZERO_NULL, /* readwrite */
76 PORT_RTMP, /* defport */
77 CURLPROTO_RTMP, /* protocol */
78 PROTOPT_NONE /* flags*/
79};
80
81const struct Curl_handler Curl_handler_rtmpt = {
82 "RTMPT", /* scheme */
83 rtmp_setup_connection, /* setup_connection */
84 rtmp_do, /* do_it */
85 rtmp_done, /* done */
86 ZERO_NULL, /* do_more */
87 rtmp_connect, /* connect_it */
88 ZERO_NULL, /* connecting */
89 ZERO_NULL, /* doing */
90 ZERO_NULL, /* proto_getsock */
91 ZERO_NULL, /* doing_getsock */
92 ZERO_NULL, /* domore_getsock */
93 ZERO_NULL, /* perform_getsock */
94 rtmp_disconnect, /* disconnect */
95 ZERO_NULL, /* readwrite */
96 PORT_RTMPT, /* defport */
97 CURLPROTO_RTMPT, /* protocol */
98 PROTOPT_NONE /* flags*/
99};
100
101const struct Curl_handler Curl_handler_rtmpe = {
102 "RTMPE", /* scheme */
103 rtmp_setup_connection, /* setup_connection */
104 rtmp_do, /* do_it */
105 rtmp_done, /* done */
106 ZERO_NULL, /* do_more */
107 rtmp_connect, /* connect_it */
108 ZERO_NULL, /* connecting */
109 ZERO_NULL, /* doing */
110 ZERO_NULL, /* proto_getsock */
111 ZERO_NULL, /* doing_getsock */
112 ZERO_NULL, /* domore_getsock */
113 ZERO_NULL, /* perform_getsock */
114 rtmp_disconnect, /* disconnect */
115 ZERO_NULL, /* readwrite */
116 PORT_RTMP, /* defport */
117 CURLPROTO_RTMPE, /* protocol */
118 PROTOPT_NONE /* flags*/
119};
120
121const struct Curl_handler Curl_handler_rtmpte = {
122 "RTMPTE", /* scheme */
123 rtmp_setup_connection, /* setup_connection */
124 rtmp_do, /* do_it */
125 rtmp_done, /* done */
126 ZERO_NULL, /* do_more */
127 rtmp_connect, /* connect_it */
128 ZERO_NULL, /* connecting */
129 ZERO_NULL, /* doing */
130 ZERO_NULL, /* proto_getsock */
131 ZERO_NULL, /* doing_getsock */
132 ZERO_NULL, /* domore_getsock */
133 ZERO_NULL, /* perform_getsock */
134 rtmp_disconnect, /* disconnect */
135 ZERO_NULL, /* readwrite */
136 PORT_RTMPT, /* defport */
137 CURLPROTO_RTMPTE, /* protocol */
138 PROTOPT_NONE /* flags*/
139};
140
141const struct Curl_handler Curl_handler_rtmps = {
142 "RTMPS", /* scheme */
143 rtmp_setup_connection, /* setup_connection */
144 rtmp_do, /* do_it */
145 rtmp_done, /* done */
146 ZERO_NULL, /* do_more */
147 rtmp_connect, /* connect_it */
148 ZERO_NULL, /* connecting */
149 ZERO_NULL, /* doing */
150 ZERO_NULL, /* proto_getsock */
151 ZERO_NULL, /* doing_getsock */
152 ZERO_NULL, /* domore_getsock */
153 ZERO_NULL, /* perform_getsock */
154 rtmp_disconnect, /* disconnect */
155 ZERO_NULL, /* readwrite */
156 PORT_RTMPS, /* defport */
157 CURLPROTO_RTMPS, /* protocol */
158 PROTOPT_NONE /* flags*/
159};
160
161const struct Curl_handler Curl_handler_rtmpts = {
162 "RTMPTS", /* scheme */
163 rtmp_setup_connection, /* setup_connection */
164 rtmp_do, /* do_it */
165 rtmp_done, /* done */
166 ZERO_NULL, /* do_more */
167 rtmp_connect, /* connect_it */
168 ZERO_NULL, /* connecting */
169 ZERO_NULL, /* doing */
170 ZERO_NULL, /* proto_getsock */
171 ZERO_NULL, /* doing_getsock */
172 ZERO_NULL, /* domore_getsock */
173 ZERO_NULL, /* perform_getsock */
174 rtmp_disconnect, /* disconnect */
175 ZERO_NULL, /* readwrite */
176 PORT_RTMPS, /* defport */
177 CURLPROTO_RTMPTS, /* protocol */
178 PROTOPT_NONE /* flags*/
179};
180
181static CURLcode rtmp_setup_connection(struct connectdata *conn)
182{
183 RTMP *r = RTMP_Alloc();
184 if(!r)
185 return CURLE_OUT_OF_MEMORY;
186
187 RTMP_Init(r);
188 RTMP_SetBufferMS(r, DEF_BUFTIME);
189 if(!RTMP_SetupURL(r, conn->data->change.url)) {
190 RTMP_Free(r);
191 return CURLE_URL_MALFORMAT;
192 }
193 conn->proto.generic = r;
194 return CURLE_OK;
195}
196
197static CURLcode rtmp_connect(struct connectdata *conn, bool *done)
198{
199 RTMP *r = conn->proto.generic;
200 SET_RCVTIMEO(tv, 10);
201
202 r->m_sb.sb_socket = conn->sock[FIRSTSOCKET];
203
204 /* We have to know if it's a write before we send the
205 * connect request packet
206 */
207 if(conn->data->set.upload)
208 r->Link.protocol |= RTMP_FEATURE_WRITE;
209
210 /* For plain streams, use the buffer toggle trick to keep data flowing */
211 if(!(r->Link.lFlags & RTMP_LF_LIVE) &&
212 !(r->Link.protocol & RTMP_FEATURE_HTTP))
213 r->Link.lFlags |= RTMP_LF_BUFX;
214
215 (void)curlx_nonblock(r->m_sb.sb_socket, FALSE);
216 setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_RCVTIMEO,
217 (char *)&tv, sizeof(tv));
218
219 if(!RTMP_Connect1(r, NULL))
220 return CURLE_FAILED_INIT;
221
222 /* Clients must send a periodic BytesReceived report to the server */
223 r->m_bSendCounter = true;
224
225 *done = TRUE;
226 conn->recv[FIRSTSOCKET] = rtmp_recv;
227 conn->send[FIRSTSOCKET] = rtmp_send;
228 return CURLE_OK;
229}
230
231static CURLcode rtmp_do(struct connectdata *conn, bool *done)
232{
233 RTMP *r = conn->proto.generic;
234
235 if(!RTMP_ConnectStream(r, 0))
236 return CURLE_FAILED_INIT;
237
238 if(conn->data->set.upload) {
239 Curl_pgrsSetUploadSize(conn->data, conn->data->state.infilesize);
240 Curl_setup_transfer(conn, -1, -1, FALSE, NULL, FIRSTSOCKET, NULL);
241 }
242 else
243 Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, NULL, -1, NULL);
244 *done = TRUE;
245 return CURLE_OK;
246}
247
248static CURLcode rtmp_done(struct connectdata *conn, CURLcode status,
249 bool premature)
250{
251 (void)conn; /* unused */
252 (void)status; /* unused */
253 (void)premature; /* unused */
254
255 return CURLE_OK;
256}
257
258static CURLcode rtmp_disconnect(struct connectdata *conn,
259 bool dead_connection)
260{
261 RTMP *r = conn->proto.generic;
262 (void)dead_connection;
263 if(r) {
264 conn->proto.generic = NULL;
265 RTMP_Close(r);
266 RTMP_Free(r);
267 }
268 return CURLE_OK;
269}
270
271static ssize_t rtmp_recv(struct connectdata *conn, int sockindex, char *buf,
272 size_t len, CURLcode *err)
273{
274 RTMP *r = conn->proto.generic;
275 ssize_t nread;
276
277 (void)sockindex; /* unused */
278
279 nread = RTMP_Read(r, buf, curlx_uztosi(len));
280 if(nread < 0) {
281 if(r->m_read.status == RTMP_READ_COMPLETE ||
282 r->m_read.status == RTMP_READ_EOF) {
283 conn->data->req.size = conn->data->req.bytecount;
284 nread = 0;
285 }
286 else
287 *err = CURLE_RECV_ERROR;
288 }
289 return nread;
290}
291
292static ssize_t rtmp_send(struct connectdata *conn, int sockindex,
293 const void *buf, size_t len, CURLcode *err)
294{
295 RTMP *r = conn->proto.generic;
296 ssize_t num;
297
298 (void)sockindex; /* unused */
299
300 num = RTMP_Write(r, (char *)buf, curlx_uztosi(len));
301 if(num < 0)
302 *err = CURLE_SEND_ERROR;
303
304 return num;
305}
306#endif /* USE_LIBRTMP */
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