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/*
* qstat
* by Steve Jankowski
*
* qserver functions
* Copyright 2004 Ludwig Nussel
*
* Licensed under the Artistic License, see LICENSE.txt for license terms
*/
#include "qstat.h"
#include "qserver.h"
#include "debug.h"
#ifndef _WIN32
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
// TODO: get rid of this and use send_packet instead, remove n_requests hack from a2s
query_status_t qserver_send_initial(struct qserver* server, const char* data, size_t len)
{
int status = INPROGRESS;
if( data )
{
int ret;
debug( 2, "[%s] send", server->type->type_prefix );
if( 4 <= get_debug_level() )
{
output_packet( server, data, len, 1 );
}
if ( server->flags & FLAG_BROADCAST)
{
ret = send_broadcast(server, data, len);
}
else
{
ret = send( server->fd, data, len, 0);
}
if ( ret == SOCKET_ERROR)
{
send_error( server, ret );
status = SYS_ERROR;
}
}
if ( server->retry1 == n_retries || server->flags & FLAG_BROADCAST)
{
gettimeofday( &server->packet_time1, NULL);
}
else
{
server->n_retries++;
}
server->retry1--;
server->n_packets++;
return status;
}
query_status_t qserver_send(struct qserver* server, const char* data, size_t len)
{
int status = INPROGRESS;
if(data)
{
int ret;
if ( server->flags & FLAG_BROADCAST)
{
ret = send_broadcast(server, data, len);
}
else
{
ret = send( server->fd, data, len, 0);
}
if ( ret == SOCKET_ERROR)
{
send_error( server, ret );
status = SYS_ERROR;
}
}
server->retry1 = n_retries-1;
gettimeofday( &server->packet_time1, NULL);
server->n_requests++;
server->n_packets++;
return status;
}
int send_broadcast( struct qserver *server, const char *pkt, size_t pktlen)
{
struct sockaddr_in addr;
addr.sin_family= AF_INET;
if ( no_port_offset || server->flags & TF_NO_PORT_OFFSET)
{
addr.sin_port= htons(server->port);
}
else
{
addr.sin_port= htons((unsigned short)( server->port + server->type->port_offset ));
}
addr.sin_addr.s_addr= server->ipaddr;
memset( &(addr.sin_zero), 0, sizeof(addr.sin_zero));
return sendto( server->fd, (const char*) pkt, pktlen, 0, (struct sockaddr *) &addr, sizeof(addr));
}
int register_send( struct qserver *server )
{
if ( server->retry1 == n_retries || server->flags & FLAG_BROADCAST )
{
server->n_requests++;
}
else
{
server->n_retries++;
}
// New request so reset the sent time. This ensures
// that we record an accurate ping time even on retry
gettimeofday( &server->packet_time1, NULL);
server->retry1--;
server->n_packets++;
return INPROGRESS;
}
query_status_t send_packet( struct qserver* server, const char* data, size_t len )
{
debug( 2, "[%s] send", server->type->type_prefix );
if( 4 <= get_debug_level() )
{
output_packet( server, data, len, 1 );
}
if( data )
{
int ret;
if ( server->flags & FLAG_BROADCAST )
{
ret = send_broadcast( server, data, len );
}
else
{
ret = send( server->fd, data, len, 0 );
}
if ( ret == SOCKET_ERROR )
{
return send_error( server, ret );
}
}
register_send( server );
return INPROGRESS;
}
query_status_t send_error( struct qserver *server, int rc )
{
unsigned int ipaddr = ntohl(server->ipaddr);
const char* errstr = strerror(errno);
fprintf(stderr, "Error on %d.%d.%d.%d: %s, skipping ...\n",
(ipaddr >> 24) &0xff,
(ipaddr >> 16) &0xff,
(ipaddr >> 8) &0xff,
ipaddr &0xff,
errstr
);
return SYS_ERROR;
}
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