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/*****************************************************************
* gmerlin-avdecoder - a general purpose multimedia decoding library
*
* Copyright (c) 2001 - 2012 Members of the Gmerlin project
* gmerlin-general@lists.sourceforge.net
* http://gmerlin.sourceforge.net
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#include <fcntl.h>
#include <sys/types.h>
#include <errno.h>
#include <string.h>
#ifdef _WIN32
#include <winsock2.h>
#include <ws2spi.h>
#include <ws2tcpip.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#endif
#include <avdec_private.h>
#define LOG_DOMAIN "udp"
int bgav_udp_open(const bgav_options_t * opt, int port)
{
int ret;
size_t tmp = 0;
struct addrinfo * addr;
addr = bgav_hostbyname(opt, NULL, port, SOCK_DGRAM, AI_PASSIVE);
/* Create the socket */
if((ret = socket(PF_INET, SOCK_DGRAM, 0)) < 0)
{
gavl_log(GAVL_LOG_ERROR, LOG_DOMAIN, "Cannot create socket");
return -1;
}
/* Give the socket a name. */
if(bind(ret, addr->ai_addr, addr->ai_addrlen) < 0)
{
gavl_log(GAVL_LOG_ERROR, LOG_DOMAIN,
"Cannot bind inet socket: %s", strerror(errno));
return -1;
}
// getsockopt(ret, SOL_SOCKET, SO_RCVBUF, &tmp, &optlen);
tmp = 65536;
setsockopt(ret, SOL_SOCKET, SO_RCVBUF, &tmp, sizeof(tmp));
gavl_log(GAVL_LOG_INFO, LOG_DOMAIN,
"UDP Socket bound on port %d\n", port);
freeaddrinfo(addr);
return ret;
}
int bgav_udp_read(int fd, uint8_t * data, int len)
{
int bytes_read;
for(;;)
{
bytes_read = recv(fd, data, len, 0);
if (bytes_read < 0)
{
if((errno == EAGAIN) ||
(errno == EINTR))
return -1;
}
else
break;
}
return bytes_read;
}
int bgav_udp_write(const bgav_options_t * opt,
int fd, uint8_t * data, int len,
struct addrinfo * addr)
{
for(;;)
{
if(sendto(fd, data, len, 0, addr->ai_addr, addr->ai_addrlen) < len)
{
if((errno == EAGAIN) ||
(errno == EINTR))
{
gavl_log(GAVL_LOG_ERROR, LOG_DOMAIN,
"Sending UDP packet failed: %s\n", strerror(errno));
return -1;
}
}
}
return len;
}
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