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/*
* vdrdiscovery.h
*
* Simple broadcast protocol to search VDR with xineliboutput server
* from (local) network.
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: vdrdiscovery.h,v 1.5 2009-02-10 15:26:11 phintuka Exp $
*
*/
#ifndef _VDRDISCOVERY_H_
#define _VDRDISCOVERY_H_
#define DISCOVERY_MSG_MAXSIZE 1024
#ifdef __cplusplus
extern "C" {
#endif
struct sockaddr_in;
/*
* Client interface
*/
/*
* udp_discovery_find_server()
*
* Search for server. Return address and port.
* Returns 0 on success.
*/
int udp_discovery_find_server(int *port, char *address);
/*
* Server interface
*/
/*
* udp_discovery_init()
*
* Initialize server socket. Return value is the socket file descriptor,
* and can be used for polling.
* Returns < 0 on error.
*/
int udp_discovery_init(void);
/*
* udp_discovery_broadcast()
*
* Send server announcement.
* Returns 0 on success.
*/
int udp_discovery_broadcast(int fd_discovery, int server_port, const char *server_address);
/*
* udp_discovery_recv()
*
* Receive query or announcement.
* Returns number of bytes received, <= 0 on error.
* Result is null-terminated string, not more than DISCOVERY_MSG_MAXSIZE bytes.
*/
int udp_discovery_recv(int fd_discovery, char *buf, int timeout,
struct sockaddr_in *source);
/*
* udp_discovery_is_valid_search()
*
* Check if string is valid search message.
* Returns 1 for valid messages, 0 for invalid messages.
*/
int udp_discovery_is_valid_search(const char *buf);
#ifdef __cplusplus
};
#endif
#endif // _VDRDISCOVERY_H_
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