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sysadm |
1.1 |
/*
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* Copyright (C) 2000 Ross Combs (rocombs@cs.nmsu.edu)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "common/setup_before.h"
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#include <stdio.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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# ifdef HAVE_MEMORY_H
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# include <memory.h>
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# endif
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#endif
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#include "compat/memset.h"
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#include <errno.h>
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#include "compat/strerror.h"
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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# include <sys/socket.h>
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#endif
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#include "compat/socket.h"
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#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include "compat/netinet_in.h"
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#ifdef HAVE_ARPA_INET_H
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# include <arpa/inet.h> /* FIXME: probably not needed... do some systems put types in here or something? */
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#endif
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#include "compat/psock.h"
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#include "common/packet.h"
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#include "common/bn_type.h"
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#include "common/udp_protocol.h"
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#include "connection.h"
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#include "common/addr.h"
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#include "common/tag.h"
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#include "common/hexdump.h"
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#include "common/eventlog.h"
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#include "udptest_send.h"
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#include "common/setup_after.h"
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extern FILE * hexstrm; /* from main.c */
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extern int udptest_send(t_connection const * c)
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{
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t_packet * upacket;
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struct sockaddr_in caddr;
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unsigned int tries,successes;
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memset(&caddr,0,sizeof(caddr));
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caddr.sin_family = PSOCK_AF_INET;
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caddr.sin_port = htons(conn_get_game_port(c));
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caddr.sin_addr.s_addr = htonl(conn_get_game_addr(c));
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for (tries=successes=0; successes!=2 && tries<5; tries++)
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{
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if (!(upacket = packet_create(packet_class_udp)))
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{
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eventlog(eventlog_level_error,__FUNCTION__,"[%d] could not allocate memory for packet",conn_get_socket(c));
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continue;
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}
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packet_set_size(upacket,sizeof(t_server_udptest));
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packet_set_type(upacket,SERVER_UDPTEST);
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bn_int_tag_set(&upacket->u.server_udptest.bnettag,BNETTAG);
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if (hexstrm)
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{
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fprintf(hexstrm,"%d: send class=%s[0x%02x] type=%s[0x%04x] ",
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conn_get_game_socket(c),
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packet_get_class_str(upacket),(unsigned int)packet_get_class(upacket),
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packet_get_type_str(upacket,packet_dir_from_server),packet_get_type(upacket));
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fprintf(hexstrm,"from=%s ",
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addr_num_to_addr_str(conn_get_game_addr(c),conn_get_game_port(c)));
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fprintf(hexstrm,"to=%s ",
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addr_num_to_addr_str(ntohl(caddr.sin_addr.s_addr),ntohs(caddr.sin_port)));
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fprintf(hexstrm,"length=%u\n",
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packet_get_size(upacket));
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hexdump(hexstrm,packet_get_raw_data(upacket,0),packet_get_size(upacket));
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}
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if (psock_sendto(conn_get_game_socket(c),
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packet_get_raw_data_const(upacket,0),packet_get_size(upacket),
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0,(struct sockaddr *)&caddr,(psock_t_socklen)sizeof(caddr))!=(int)packet_get_size(upacket))
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eventlog(eventlog_level_error,__FUNCTION__,"[%d] failed to send UDPTEST to %s (attempt %u) (psock_sendto: %s)",conn_get_socket(c),addr_num_to_addr_str(ntohl(caddr.sin_addr.s_addr),conn_get_game_port(c)),tries+1,pstrerror(psock_errno()));
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else
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successes++;
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packet_del_ref(upacket);
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}
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if (successes!=2)
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return -1;
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return 0;
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}
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