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95cbcec8f9
curl/lib/curl_rtmp.c
Daniel Stenberg 95cbcec8f9
urldata: merge "struct DynamicStatic" into "struct UrlState" 
Both were used for the same purposes and there was no logical separation
between them. Combined, this also saves 16 bytes in less holes in my
test build.

Closes #6798
2021-03-26 23:19:20 +01:00

331 lines
12 KiB
C
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2012 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 2010, Howard Chu, <hyc@highlandsun.com>
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_LIBRTMP
#include "curl_rtmp.h"
#include "urldata.h"
#include "nonblock.h" /* for curlx_nonblock */
#include "progress.h" /* for Curl_pgrsSetUploadSize */
#include "transfer.h"
#include "warnless.h"
#include <curl/curl.h>
#include <librtmp/rtmp.h>
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
#if defined(WIN32) && !defined(USE_LWIPSOCK)
#define setsockopt(a,b,c,d,e) (setsockopt)(a,b,c,(const char *)d,(int)e)
#define SET_RCVTIMEO(tv,s) int tv = s*1000
#elif defined(LWIP_SO_SNDRCVTIMEO_NONSTANDARD)
#define SET_RCVTIMEO(tv,s) int tv = s*1000
#else
#define SET_RCVTIMEO(tv,s) struct timeval tv = {s,0}
#endif
#define DEF_BUFTIME (2*60*60*1000) /* 2 hours */
static CURLcode rtmp_setup_connection(struct Curl_easy *data,
struct connectdata *conn);
static CURLcode rtmp_do(struct Curl_easy *data, bool *done);
static CURLcode rtmp_done(struct Curl_easy *data, CURLcode, bool premature);
static CURLcode rtmp_connect(struct Curl_easy *data, bool *done);
static CURLcode rtmp_disconnect(struct Curl_easy *data,
struct connectdata *conn, bool dead);
static Curl_recv rtmp_recv;
static Curl_send rtmp_send;
/*
* RTMP protocol handler.h, based on https://rtmpdump.mplayerhq.hu
*/
const struct Curl_handler Curl_handler_rtmp = {
"RTMP", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
ZERO_NULL, /* domore_getsock */
ZERO_NULL, /* perform_getsock */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* readwrite */
ZERO_NULL, /* connection_check */
PORT_RTMP, /* defport */
CURLPROTO_RTMP, /* protocol */
CURLPROTO_RTMP, /* family */
PROTOPT_NONE /* flags*/
};
const struct Curl_handler Curl_handler_rtmpt = {
"RTMPT", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
ZERO_NULL, /* domore_getsock */
ZERO_NULL, /* perform_getsock */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* readwrite */
ZERO_NULL, /* connection_check */
PORT_RTMPT, /* defport */
CURLPROTO_RTMPT, /* protocol */
CURLPROTO_RTMPT, /* family */
PROTOPT_NONE /* flags*/
};
const struct Curl_handler Curl_handler_rtmpe = {
"RTMPE", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
ZERO_NULL, /* domore_getsock */
ZERO_NULL, /* perform_getsock */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* readwrite */
ZERO_NULL, /* connection_check */
PORT_RTMP, /* defport */
CURLPROTO_RTMPE, /* protocol */
CURLPROTO_RTMPE, /* family */
PROTOPT_NONE /* flags*/
};
const struct Curl_handler Curl_handler_rtmpte = {
"RTMPTE", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
ZERO_NULL, /* domore_getsock */
ZERO_NULL, /* perform_getsock */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* readwrite */
ZERO_NULL, /* connection_check */
PORT_RTMPT, /* defport */
CURLPROTO_RTMPTE, /* protocol */
CURLPROTO_RTMPTE, /* family */
PROTOPT_NONE /* flags*/
};
const struct Curl_handler Curl_handler_rtmps = {
"RTMPS", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
ZERO_NULL, /* domore_getsock */
ZERO_NULL, /* perform_getsock */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* readwrite */
ZERO_NULL, /* connection_check */
PORT_RTMPS, /* defport */
CURLPROTO_RTMPS, /* protocol */
CURLPROTO_RTMP, /* family */
PROTOPT_NONE /* flags*/
};
const struct Curl_handler Curl_handler_rtmpts = {
"RTMPTS", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_getsock */
ZERO_NULL, /* doing_getsock */
ZERO_NULL, /* domore_getsock */
ZERO_NULL, /* perform_getsock */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* readwrite */
ZERO_NULL, /* connection_check */
PORT_RTMPS, /* defport */
CURLPROTO_RTMPTS, /* protocol */
CURLPROTO_RTMPT, /* family */
PROTOPT_NONE /* flags*/
};
static CURLcode rtmp_setup_connection(struct Curl_easy *data,
struct connectdata *conn)
{
RTMP *r = RTMP_Alloc();
if(!r)
return CURLE_OUT_OF_MEMORY;
RTMP_Init(r);
RTMP_SetBufferMS(r, DEF_BUFTIME);
if(!RTMP_SetupURL(r, data->state.url)) {
RTMP_Free(r);
return CURLE_URL_MALFORMAT;
}
conn->proto.rtmp = r;
return CURLE_OK;
}
static CURLcode rtmp_connect(struct Curl_easy *data, bool *done)
{
struct connectdata *conn = data->conn;
RTMP *r = conn->proto.rtmp;
SET_RCVTIMEO(tv, 10);
r->m_sb.sb_socket = (int)conn->sock[FIRSTSOCKET];
/* We have to know if it's a write before we send the
* connect request packet
*/
if(data->set.upload)
r->Link.protocol |= RTMP_FEATURE_WRITE;
/* For plain streams, use the buffer toggle trick to keep data flowing */
if(!(r->Link.lFlags & RTMP_LF_LIVE) &&
!(r->Link.protocol & RTMP_FEATURE_HTTP))
r->Link.lFlags |= RTMP_LF_BUFX;
(void)curlx_nonblock(r->m_sb.sb_socket, FALSE);
setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_RCVTIMEO,
(char *)&tv, sizeof(tv));
if(!RTMP_Connect1(r, NULL))
return CURLE_FAILED_INIT;
/* Clients must send a periodic BytesReceived report to the server */
r->m_bSendCounter = true;
*done = TRUE;
conn->recv[FIRSTSOCKET] = rtmp_recv;
conn->send[FIRSTSOCKET] = rtmp_send;
return CURLE_OK;
}
static CURLcode rtmp_do(struct Curl_easy *data, bool *done)
{
struct connectdata *conn = data->conn;
RTMP *r = conn->proto.rtmp;
if(!RTMP_ConnectStream(r, 0))
return CURLE_FAILED_INIT;
if(data->set.upload) {
Curl_pgrsSetUploadSize(data, data->state.infilesize);
Curl_setup_transfer(data, -1, -1, FALSE, FIRSTSOCKET);
}
else
Curl_setup_transfer(data, FIRSTSOCKET, -1, FALSE, -1);
*done = TRUE;
return CURLE_OK;
}
static CURLcode rtmp_done(struct Curl_easy *data, CURLcode status,
bool premature)
{
(void)data; /* unused */
(void)status; /* unused */
(void)premature; /* unused */
return CURLE_OK;
}
static CURLcode rtmp_disconnect(struct Curl_easy *data,
struct connectdata *conn,
bool dead_connection)
{
RTMP *r = conn->proto.rtmp;
(void)data;
(void)dead_connection;
if(r) {
conn->proto.rtmp = NULL;
RTMP_Close(r);
RTMP_Free(r);
}
return CURLE_OK;
}
static ssize_t rtmp_recv(struct Curl_easy *data, int sockindex, char *buf,
size_t len, CURLcode *err)
{
struct connectdata *conn = data->conn;
RTMP *r = conn->proto.rtmp;
ssize_t nread;
(void)sockindex; /* unused */
nread = RTMP_Read(r, buf, curlx_uztosi(len));
if(nread < 0) {
if(r->m_read.status == RTMP_READ_COMPLETE ||
r->m_read.status == RTMP_READ_EOF) {
data->req.size = data->req.bytecount;
nread = 0;
}
else
*err = CURLE_RECV_ERROR;
}
return nread;
}
static ssize_t rtmp_send(struct Curl_easy *data, int sockindex,
const void *buf, size_t len, CURLcode *err)
{
struct connectdata *conn = data->conn;
RTMP *r = conn->proto.rtmp;
ssize_t num;
(void)sockindex; /* unused */
num = RTMP_Write(r, (char *)buf, curlx_uztosi(len));
if(num < 0)
*err = CURLE_SEND_ERROR;
return num;
}
#endif /* USE_LIBRTMP */
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