| 1 |
/*
|
| 2 |
* Copyright (C) 2000,2001 Onlyer (onlyer@263.net)
|
| 3 |
*
|
| 4 |
* This program is free software; you can redistribute it and/or
|
| 5 |
* modify it under the terms of the GNU General Public License
|
| 6 |
* as published by the Free Software Foundation; either version 2
|
| 7 |
* of the License, or (at your option) any later version.
|
| 8 |
*
|
| 9 |
* This program is distributed in the hope that it will be useful,
|
| 10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 12 |
* GNU General Public License for more details.
|
| 13 |
*
|
| 14 |
* You should have received a copy of the GNU General Public License
|
| 15 |
* along with this program; if not, write to the Free Software
|
| 16 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
| 17 |
*/
|
| 18 |
#include "common/setup_before.h"
|
| 19 |
#include "setup.h"
|
| 20 |
|
| 21 |
#ifdef HAVE_STRING_H
|
| 22 |
# include <string.h>
|
| 23 |
#else
|
| 24 |
# ifdef HAVE_STRINGS_H
|
| 25 |
# include <strings.h>
|
| 26 |
# endif
|
| 27 |
# ifdef HAVE_MEMORY_H
|
| 28 |
# include <memory.h>
|
| 29 |
# endif
|
| 30 |
#endif
|
| 31 |
#ifdef STDC_HEADERS
|
| 32 |
# include <stdlib.h>
|
| 33 |
#else
|
| 34 |
# ifdef HAVE_MALLOC_H
|
| 35 |
# include <malloc.h>
|
| 36 |
# endif
|
| 37 |
#endif
|
| 38 |
#include "compat/memset.h"
|
| 39 |
#include <errno.h>
|
| 40 |
#include "compat/strerror.h"
|
| 41 |
#ifdef TIME_WITH_SYS_TIME
|
| 42 |
# include <time.h>
|
| 43 |
# include <sys/time.h>
|
| 44 |
#else
|
| 45 |
# ifdef HAVE_SYS_TIME_H
|
| 46 |
# include <sys/time.h>
|
| 47 |
# else
|
| 48 |
# include <time.h>
|
| 49 |
# endif
|
| 50 |
#endif
|
| 51 |
#ifdef HAVE_FCNTL_H
|
| 52 |
# include <fcntl.h>
|
| 53 |
#else
|
| 54 |
# ifdef HAVE_SYS_FILE_H
|
| 55 |
# include <sys/file.h>
|
| 56 |
# endif
|
| 57 |
#endif
|
| 58 |
#ifdef HAVE_UNISTD_H
|
| 59 |
# include <unistd.h>
|
| 60 |
#endif
|
| 61 |
#ifdef HAVE_SYS_SOCKET_H
|
| 62 |
# include <sys/socket.h>
|
| 63 |
#endif
|
| 64 |
#include "compat/psock.h"
|
| 65 |
#ifdef HAVE_SYS_TYPES_H
|
| 66 |
# include <sys/types.h>
|
| 67 |
#endif
|
| 68 |
#ifdef HAVE_NETINET_IN_H
|
| 69 |
# include <netinet/in.h>
|
| 70 |
#endif
|
| 71 |
#include "compat/netinet_in.h"
|
| 72 |
#ifdef HAVE_ARPA_INET_H
|
| 73 |
# include <arpa/inet.h>
|
| 74 |
#endif
|
| 75 |
#include "compat/inet_ntoa.h"
|
| 76 |
#include "compat/psock.h"
|
| 77 |
|
| 78 |
#include "d2gs.h"
|
| 79 |
#include "net.h"
|
| 80 |
#include "s2s.h"
|
| 81 |
#include "gamequeue.h"
|
| 82 |
#include "game.h"
|
| 83 |
#include "connection.h"
|
| 84 |
#include "d2charstatus.h"
|
| 85 |
#include "serverqueue.h"
|
| 86 |
#include "common/fdwatch.h"
|
| 87 |
#include "server.h"
|
| 88 |
#include "prefs.h"
|
| 89 |
#include "d2ladder.h"
|
| 90 |
#ifndef WIN32
|
| 91 |
#include "handle_signal.h"
|
| 92 |
#endif
|
| 93 |
#include "common/addr.h"
|
| 94 |
#include "common/list.h"
|
| 95 |
#include "common/hashtable.h"
|
| 96 |
#include "common/eventlog.h"
|
| 97 |
#ifdef WIN32
|
| 98 |
# include <conio.h> /* for kbhit() and getch() */
|
| 99 |
#endif
|
| 100 |
#include "common/setup_after.h"
|
| 101 |
|
| 102 |
static int server_listen(void);
|
| 103 |
static int server_accept(int sock);
|
| 104 |
static int server_handle_timed_event(void);
|
| 105 |
static int server_handle_socket(void);
|
| 106 |
static int server_loop(void);
|
| 107 |
static int server_cleanup(void);
|
| 108 |
|
| 109 |
t_addrlist * server_listen_addrs;
|
| 110 |
extern int g_ServiceStatus;
|
| 111 |
|
| 112 |
static int server_listen(void)
|
| 113 |
{
|
| 114 |
t_addr * curr_laddr;
|
| 115 |
t_addr_data laddr_data;
|
| 116 |
int sock;
|
| 117 |
|
| 118 |
if (!(server_listen_addrs=addrlist_create(prefs_get_servaddrs(),INADDR_ANY,D2CS_SERVER_PORT))) {
|
| 119 |
eventlog(eventlog_level_error,__FUNCTION__,"error create listening address list");
|
| 120 |
return -1;
|
| 121 |
}
|
| 122 |
BEGIN_LIST_TRAVERSE_DATA(server_listen_addrs,curr_laddr)
|
| 123 |
{
|
| 124 |
sock=net_listen(addr_get_ip(curr_laddr),addr_get_port(curr_laddr),PSOCK_SOCK_STREAM);
|
| 125 |
if (sock<0) {
|
| 126 |
eventlog(eventlog_level_error,__FUNCTION__,"error listen socket");
|
| 127 |
return -1;
|
| 128 |
}
|
| 129 |
|
| 130 |
if (psock_ctl(sock,PSOCK_NONBLOCK)<0) {
|
| 131 |
eventlog(eventlog_level_error,__FUNCTION__,"error set listen socket in non-blocking mode");
|
| 132 |
}
|
| 133 |
|
| 134 |
laddr_data.i = sock;
|
| 135 |
addr_set_data(curr_laddr,laddr_data);
|
| 136 |
|
| 137 |
if (fdwatch_add_fd(sock, fdwatch_type_read, d2cs_server_handle_accept, curr_laddr)<0) {
|
| 138 |
eventlog(eventlog_level_error,__FUNCTION__,"error adding socket %d to fdwatch pool (max sockets?)",sock);
|
| 139 |
psock_close(sock);
|
| 140 |
return -1;
|
| 141 |
}
|
| 142 |
|
| 143 |
eventlog(eventlog_level_info,__FUNCTION__,"listen on %s", addr_num_to_addr_str(addr_get_ip(curr_laddr),addr_get_port(curr_laddr)));
|
| 144 |
}
|
| 145 |
END_LIST_TRAVERSE_DATA()
|
| 146 |
return 0;
|
| 147 |
}
|
| 148 |
|
| 149 |
static int server_accept(int sock)
|
| 150 |
{
|
| 151 |
int csock;
|
| 152 |
struct sockaddr_in caddr, raddr;
|
| 153 |
psock_t_socklen caddr_len, raddr_len;
|
| 154 |
int val;
|
| 155 |
unsigned int ip;
|
| 156 |
unsigned short port;
|
| 157 |
t_connection *cc;
|
| 158 |
|
| 159 |
caddr_len=sizeof(caddr);
|
| 160 |
memset(&caddr,0,sizeof(caddr));
|
| 161 |
csock=psock_accept(sock,(struct sockaddr *)&caddr,&caddr_len);
|
| 162 |
if (csock<0) {
|
| 163 |
eventlog(eventlog_level_error,__FUNCTION__,"error accept new connection");
|
| 164 |
return -1;
|
| 165 |
} else eventlog(eventlog_level_info,__FUNCTION__,"accept connection from %s",inet_ntoa(caddr.sin_addr));
|
| 166 |
|
| 167 |
val=1;
|
| 168 |
if (psock_setsockopt(csock, PSOCK_SOL_SOCKET, PSOCK_SO_KEEPALIVE, &val,sizeof(val))<0) {
|
| 169 |
eventlog(eventlog_level_warn,__FUNCTION__,"error set sock option keep alive");
|
| 170 |
}
|
| 171 |
if (psock_ctl(csock, PSOCK_NONBLOCK)<0) {
|
| 172 |
eventlog(eventlog_level_error,__FUNCTION__,"error set socket to non-blocking mode");
|
| 173 |
psock_close(csock);
|
| 174 |
return -1;
|
| 175 |
}
|
| 176 |
|
| 177 |
raddr_len=sizeof(raddr);
|
| 178 |
memset(&raddr,0,sizeof(raddr));
|
| 179 |
ip=port=0;
|
| 180 |
if (psock_getsockname(csock,(struct sockaddr *)&raddr,&raddr_len)<0) {
|
| 181 |
eventlog(eventlog_level_warn,__FUNCTION__,"unable to get local socket info");
|
| 182 |
} else {
|
| 183 |
if (raddr.sin_family!=PSOCK_AF_INET) {
|
| 184 |
eventlog(eventlog_level_warn,__FUNCTION__,"got bad socket family %d",raddr.sin_family);
|
| 185 |
} else {
|
| 186 |
ip=ntohl(raddr.sin_addr.s_addr);
|
| 187 |
port=ntohs(raddr.sin_port);
|
| 188 |
}
|
| 189 |
}
|
| 190 |
if (!(cc = d2cs_conn_create(csock,ip,port,ntohl(caddr.sin_addr.s_addr),ntohs(caddr.sin_port)))) {
|
| 191 |
eventlog(eventlog_level_error,__FUNCTION__,"error create new connection");
|
| 192 |
psock_close(csock);
|
| 193 |
return -1;
|
| 194 |
}
|
| 195 |
if (conn_add_fd(cc, fdwatch_type_read, d2cs_server_handle_tcp)<0) {
|
| 196 |
eventlog(eventlog_level_error,__FUNCTION__,"error adding socket %d to fdwatch pool (max sockets?)",csock);
|
| 197 |
d2cs_conn_set_state(cc,conn_state_destroy);
|
| 198 |
return -1;
|
| 199 |
}
|
| 200 |
|
| 201 |
return 0;
|
| 202 |
}
|
| 203 |
|
| 204 |
static int server_handle_timed_event(void)
|
| 205 |
{
|
| 206 |
static time_t prev_list_purgetime=0;
|
| 207 |
static time_t prev_gamequeue_checktime=0;
|
| 208 |
static time_t prev_s2s_checktime=0;
|
| 209 |
static time_t prev_sq_checktime=0;
|
| 210 |
static time_t prev_d2ladder_refresh_time=0;
|
| 211 |
static time_t prev_s2s_keepalive_time=0;
|
| 212 |
static time_t prev_timeout_checktime;
|
| 213 |
static time_t prev_dump_charstatus_list_interval=0;
|
| 214 |
time_t now;
|
| 215 |
|
| 216 |
now=time(NULL);
|
| 217 |
if (now-prev_list_purgetime>(signed)prefs_get_list_purgeinterval()) {
|
| 218 |
hashtable_purge(d2cs_connlist());
|
| 219 |
d2cs_gamelist_check_voidgame();
|
| 220 |
prev_list_purgetime=now;
|
| 221 |
}
|
| 222 |
if (now-prev_gamequeue_checktime>(signed)prefs_get_gamequeue_checkinterval()) {
|
| 223 |
gqlist_update_all_clients();
|
| 224 |
prev_gamequeue_checktime=now;
|
| 225 |
}
|
| 226 |
if (now-prev_s2s_checktime>(signed)prefs_get_s2s_retryinterval()) {
|
| 227 |
s2s_check();
|
| 228 |
prev_s2s_checktime=now;
|
| 229 |
}
|
| 230 |
if (now-prev_sq_checktime>(signed)prefs_get_sq_checkinterval()) {
|
| 231 |
sqlist_check_timeout();
|
| 232 |
prev_sq_checktime=now;
|
| 233 |
}
|
| 234 |
if (now-prev_d2ladder_refresh_time>(signed)prefs_get_d2ladder_refresh_interval()) {
|
| 235 |
d2ladder_refresh();
|
| 236 |
prev_d2ladder_refresh_time=now;
|
| 237 |
}
|
| 238 |
if (now-prev_s2s_keepalive_time>(signed)prefs_get_s2s_keepalive_interval()) {
|
| 239 |
d2gs_keepalive();
|
| 240 |
prev_s2s_keepalive_time=now;
|
| 241 |
}
|
| 242 |
if (now-prev_timeout_checktime>(signed)prefs_get_timeout_checkinterval()) {
|
| 243 |
connlist_check_timeout();
|
| 244 |
prev_timeout_checktime=now;
|
| 245 |
}
|
| 246 |
/* by Leaflet */
|
| 247 |
if (now-prev_dump_charstatus_list_interval>(signed)prefs_dump_charstatus_list_interval()) {
|
| 248 |
charstatus_list_dump(cmdline_get_charstatus_file());
|
| 249 |
prev_dump_charstatus_list_interval=now;
|
| 250 |
}
|
| 251 |
return 0;
|
| 252 |
}
|
| 253 |
|
| 254 |
extern int d2cs_server_handle_accept(void *data, t_fdwatch_type rw)
|
| 255 |
{
|
| 256 |
int sock;
|
| 257 |
|
| 258 |
sock = addr_get_data((t_addr *)data).i;
|
| 259 |
server_accept(sock);
|
| 260 |
return 0;
|
| 261 |
}
|
| 262 |
|
| 263 |
extern int d2cs_server_handle_tcp(void *data, t_fdwatch_type rw)
|
| 264 |
{
|
| 265 |
t_connection *c = (t_connection *)data;
|
| 266 |
|
| 267 |
if (rw & fdwatch_type_read) conn_add_socket_flag(c,SOCKET_FLAG_READ);
|
| 268 |
if (rw & fdwatch_type_write) conn_add_socket_flag(c,SOCKET_FLAG_WRITE);
|
| 269 |
if (conn_handle_socket(c)<0)
|
| 270 |
d2cs_conn_set_state(c, conn_state_destroy);
|
| 271 |
|
| 272 |
return 0;
|
| 273 |
}
|
| 274 |
|
| 275 |
static int server_handle_socket(void)
|
| 276 |
{
|
| 277 |
switch (fdwatch(BNETD_POLL_INTERVAL)) {
|
| 278 |
case -1:
|
| 279 |
if (
|
| 280 |
#ifdef PSOCK_EINTR
|
| 281 |
psock_errno()!=PSOCK_EINTR &&
|
| 282 |
#endif
|
| 283 |
1) {
|
| 284 |
eventlog(eventlog_level_error,__FUNCTION__,"select failed (select: %s)",pstrerror(psock_errno()));
|
| 285 |
return -1;
|
| 286 |
}
|
| 287 |
/* fall through */
|
| 288 |
case 0:
|
| 289 |
return 0;
|
| 290 |
default:
|
| 291 |
break;
|
| 292 |
}
|
| 293 |
|
| 294 |
fdwatch_handle();
|
| 295 |
|
| 296 |
return 0;
|
| 297 |
}
|
| 298 |
|
| 299 |
static int server_loop(void)
|
| 300 |
{
|
| 301 |
unsigned int count;
|
| 302 |
|
| 303 |
count=0;
|
| 304 |
while (1) {
|
| 305 |
|
| 306 |
#ifdef WIN32
|
| 307 |
if (g_ServiceStatus<0 && kbhit() && getch()=='q')
|
| 308 |
signal_quit_wrapper();
|
| 309 |
if (g_ServiceStatus == 0) signal_quit_wrapper();
|
| 310 |
|
| 311 |
while (g_ServiceStatus == 2) Sleep(1000);
|
| 312 |
#endif
|
| 313 |
|
| 314 |
if (handle_signal()<0) break;
|
| 315 |
if (++count>=(1000/BNETD_POLL_INTERVAL)) {
|
| 316 |
server_handle_timed_event();
|
| 317 |
count=0;
|
| 318 |
}
|
| 319 |
server_handle_socket();
|
| 320 |
d2cs_connlist_reap();
|
| 321 |
}
|
| 322 |
return 0;
|
| 323 |
}
|
| 324 |
|
| 325 |
static int server_cleanup(void)
|
| 326 |
{
|
| 327 |
t_addr * curr_laddr;
|
| 328 |
int sock;
|
| 329 |
|
| 330 |
BEGIN_LIST_TRAVERSE_DATA(server_listen_addrs,curr_laddr)
|
| 331 |
{
|
| 332 |
sock=addr_get_data(curr_laddr).i;
|
| 333 |
psock_close(sock);
|
| 334 |
}
|
| 335 |
END_LIST_TRAVERSE_DATA()
|
| 336 |
addrlist_destroy(server_listen_addrs);
|
| 337 |
return 0;
|
| 338 |
}
|
| 339 |
|
| 340 |
extern int d2cs_server_process(void)
|
| 341 |
{
|
| 342 |
#ifndef WIN32
|
| 343 |
handle_signal_init();
|
| 344 |
#endif
|
| 345 |
if (psock_init()<0) {
|
| 346 |
eventlog(eventlog_level_error,__FUNCTION__,"failed to init network");
|
| 347 |
return -1;
|
| 348 |
}
|
| 349 |
eventlog(eventlog_level_info,__FUNCTION__,"network initialized");
|
| 350 |
if (s2s_init()<0) {
|
| 351 |
eventlog(eventlog_level_error,__FUNCTION__,"failed to init s2s connection");
|
| 352 |
return -1;
|
| 353 |
}
|
| 354 |
if (server_listen()<0) {
|
| 355 |
eventlog(eventlog_level_error,__FUNCTION__,"failed to setup listen socket");
|
| 356 |
return -1;
|
| 357 |
}
|
| 358 |
eventlog(eventlog_level_info,__FUNCTION__,"entering server loop");
|
| 359 |
server_loop();
|
| 360 |
eventlog(eventlog_level_info,__FUNCTION__,"exit from server loop,cleanup");
|
| 361 |
server_cleanup();
|
| 362 |
return 0;
|
| 363 |
}
|
Parent Directory
| 
Revision Log