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/* IvySync - Video SyncStarter
*
* (c) Copyright 2008 Denis Roio aka jaromil <jaromil@dyne.org>
* Nederlands Instituut voor Mediakunst
*
* This source code is free software; you can redistribute it and/or
* modify it under the terms of the GNU Public License as published
* by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This source code 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.
* Please refer to the GNU Public License for more details.
*
* You should have received a copy of the GNU Public License along with
* this source code; if not, write to:
* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* to compile this sourcecode: gcc -o ivysync ivysync.c -lpthreads
* it should work on any POSIX system, including embedded hardware
* wherever the IvyTV drivers can also run (see http://ivtv.sf.net)
*
*/
#ifndef __UDPLITESERVER_H__
#define __UDPLITESERVER_H__
#include <sys/socket.h>
#include <sys/types.h>
#include <netdb.h> /* getaddrinfo() */
#include <arpa/inet.h> /* inet_ntop() */
#include <netinet/in.h> /* struct sockaddr_in|6 */
#include <thread.h>
/* CONSTANTS */
#define CS_COV 8 /* UDP-Lite checksum coverage */
#define LOCAL_PORT 2000 /* client (sender) port */
#define SERVER_PORT 15500 /* remote service port */
/* the following determines the size of packets read from the network */
#define READSIZE BUFSIZ
#define TS_LEN CMSG_SPACE(sizeof(struct timeval))
// if you comment out the following line, you will get a UDP application
#undef IPPROTO_UDPLITE
#ifdef IPPROTO_UDPLITE
#include <netinet/udplite.h> /* definitions for UDP-Lite */
#else
#warning "No UDP-Lite support, using UDP instead"
#define IPPROTO_UDPLITE 0
#endif
class UdpLiteSrv : public Thread {
public:
UdpLiteSrv();
~UdpLiteSrv();
void run();
void init(bool *syncbit);
bool *syncstart;
private:
struct sockaddr_storage cliaddr; /* address of connecting host */
socklen_t addrlen; // = sizeof(struct sockaddr_storage);
struct addrinfo hints, /* address resolution aid */
*res; /* resolution results */
struct iovec iov[1]; /* scatter/gather array */
struct msghdr msg; /* for recvmsg(), see below */
struct cmsghdr *cmsg; /* for the timestamp */
struct timeval *stamp;
char buf[READSIZE], /* read buffer */
hbuf[NI_MAXHOST], /* address as string */
sbuf[NI_MAXSERV], /* service port as string */
tsbuf[TS_LEN]; /* to contain timestamp */
int sd, /* socket descriptor */
rc, option, n;
enum {v6andv4, v4only, v6only} type; // = v6andv4; /* IP service type */
};
#endif
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