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http_server.c
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http_server.c
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//
// httpServer.c
// live_transcoder
//
// Created by Guy.Jacubovski on 22/03/2019.
// Copyright © 2019 Kaltura. All rights reserved.
//
#include "core.h"
#include "http_server.h"
static void process_client(AVIOContext *client,http_request_callback callback)
{
uint8_t buf[10240];
int ret, n, reply_code;
uint8_t *resource = NULL;
while ((ret = avio_handshake(client)) > 0) {
av_opt_get(client, "resource", AV_OPT_SEARCH_CHILDREN, &resource);
// check for strlen(resource) is necessary, because av_opt_get()
// may return empty string.
if (resource && strlen(resource))
break;
av_freep(&resource);
}
if (ret < 0)
goto end;
//av_log(client, AV_LOG_TRACE, "resource=%p\n", resource);
if (resource && resource[0] == '/') {
reply_code = callback(resource,buf,sizeof(buf),&n);
} else {
reply_code = AVERROR_HTTP_NOT_FOUND;
}
if ((ret = av_opt_set_int(client, "reply_code", reply_code, AV_OPT_SEARCH_CHILDREN)) < 0) {
LOGGER(CATEGORY_HTTP_SERVER,AV_LOG_ERROR, "Failed to set reply_code: %d (%s)", av_err2str(ret));
goto end;
}
if ((ret = av_opt_set(client, "content_type", "application/json", AV_OPT_SEARCH_CHILDREN)) < 0) {
LOGGER(CATEGORY_HTTP_SERVER,AV_LOG_ERROR, "Failed to set content_type: %d (%s)", ret,av_err2str(ret));
goto end;
}
LOGGER(CATEGORY_HTTP_SERVER,AV_LOG_DEBUG, "Setting reply code to %d", reply_code);
while ((ret = avio_handshake(client)) > 0);
if (ret < 0)
goto end;
LOGGER0(CATEGORY_HTTP_SERVER,AV_LOG_DEBUG, "Handshake performed");
if (reply_code != 200)
goto end;
avio_write(client, buf, n);
end:
LOGGER0(CATEGORY_HTTP_SERVER,AV_LOG_DEBUG, "Flushing client");
avio_flush(client);
LOGGER0(CATEGORY_HTTP_SERVER,AV_LOG_DEBUG, "Closing client");
avio_close(client);
av_freep(&resource);
}
void* httpServerThread(void *vargp)
{
http_server_t* http_server=(http_server_t*)vargp;
LOGGER0(CATEGORY_HTTP_SERVER,AV_LOG_INFO,"http listener thread");
LOGGER0(CATEGORY_RECEIVER,AV_LOG_INFO,"Waiting for accept");
AVIOContext *client = NULL;
int ret=0;
for(;;) {
if ((ret = avio_accept(http_server->http, &client)) < 0) {
LOGGER(CATEGORY_HTTP_SERVER,AV_LOG_INFO,"Failed to avio_accept: %d (%s)", ret,av_err2str(ret));
break;
}
LOGGER0(CATEGORY_HTTP_SERVER,AV_LOG_VERBOSE,"Accepted client from");
process_client(client,http_server->request);
}
LOGGER0(CATEGORY_HTTP_SERVER,AV_LOG_INFO,"Completed receive thread");
return NULL;
}
int http_server_start(http_server_t * http_server)
{
AVDictionary *options = NULL;
int ret=0;
if ((ret = av_dict_set(&options, "listen", "2", 0)) < 0) {
LOGGER(CATEGORY_HTTP_SERVER,AV_LOG_FATAL,"http listener failed set listen mode for %d %s",ret,av_err2str(ret));
return ret;
}
char url[128];
sprintf(url,"http://%s:%d",http_server->listenAddress,http_server->port);
if ((ret = avio_open2(&http_server->http, url, AVIO_FLAG_WRITE, NULL, &options)) < 0) {
LOGGER(CATEGORY_HTTP_SERVER,AV_LOG_FATAL,"Failed to open server: %d %s",ret,av_err2str(ret));
return ret;
}
pthread_create(&http_server->thread_id, NULL, httpServerThread,http_server);
return 0;
}
int http_server_stop(http_server_t *http_server) {
pthread_join(http_server->thread_id,NULL);
return 0;
}
int http_server_close(http_server_t *http_server) {
avio_close(http_server->http);
return 0;
}