ramkomd.c 14.4 KB
Newer Older
Linus Tolke Y's avatar
Linus Tolke Y committed
1
/*
2
 * $Id: ramkomd.c,v 0.84 1999/05/16 21:46:31 ceder Exp $
Per Cederqvist's avatar
Per Cederqvist committed
3
 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996  Lysator Academic Computer Association.
Linus Tolke Y's avatar
Linus Tolke Y committed
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
 *
 * This file is part of the LysKOM server.
 * 
 * LysKOM is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 1, or (at your option) 
 * any later version.
 * 
 * LysKOM 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.  See the GNU General Public License
 * for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with LysKOM; see the file COPYING.  If not, write to
 * Lysator, c/o ISY, Linkoping University, S-581 83 Linkoping, SWEDEN,
 * or the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, 
 * MA 02139, USA.
 *
 * Please mail bug reports to bug-lyskom@lysator.liu.se. 
 */
25 26 27 28 29 30 31
/*
 * The next comment block is a historic comment, written in Swedish
 * using ISO 646 since nobody in Lysator knew about ISO 8859-1 by
 * then.  It translates, rougly, to "This is the main program of the
 * server.  It will hopefully be bigger than it is at the moment.
 * Created by Willfr 31-mar-1990."
 */
Per Cederqvist's avatar
Per Cederqvist committed
32 33 34 35 36 37 38 39 40
/*
 * Detta {r serverns huvudprogram. Det kommer f|rhoppningsvis bli st|rre
 * {n det {r just nu...
 *
 * Created by Willf|r 31/3-90
 *
 * It has grown! /ceder
 */

David Byers's avatar
David Byers committed
41 42 43 44 45

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

46
static const char *
47
rcsid = "$Id: ramkomd.c,v 0.84 1999/05/16 21:46:31 ceder Exp $";
48 49
#include "rcs.h"
USE(rcsid);
Per Cederqvist's avatar
Per Cederqvist committed
50

51 52 53
#ifdef HAVE_LOCALE_H
#  include <locale.h>
#endif
Per Cederqvist's avatar
Per Cederqvist committed
54
#include <stdio.h>
Per Cederqvist's avatar
Per Cederqvist committed
55
#include <signal.h>
Per Cederqvist's avatar
Per Cederqvist committed
56 57 58
#ifdef HAVE_STDARG_H
#  include <stdarg.h>
#endif
59 60 61 62 63 64
#ifdef HAVE_STDLIB_H
#  include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#  include <string.h>
#endif
Per Cederqvist's avatar
Per Cederqvist committed
65
#include <sys/wait.h>
Per Cederqvist's avatar
Per Cederqvist committed
66
#include <time.h>
67
#ifdef HAVE_SYS_RESOURCE_H
Per Cederqvist's avatar
Per Cederqvist committed
68
#  include <sys/time.h>
69 70
#  include <sys/resource.h>
#endif
Per Cederqvist's avatar
Per Cederqvist committed
71
#include <unistd.h>
Per Cederqvist's avatar
Per Cederqvist committed
72 73 74 75
#include <setjmp.h>
#if defined(HAVE_SYS_PARAM_H) && !defined(HAVE_GETCWD)
# include <sys/param.h>
#endif
Per Cederqvist's avatar
Per Cederqvist committed
76
#include <errno.h>
Per Cederqvist's avatar
Per Cederqvist committed
77
#include <sys/types.h>
78
#include <sys/socket.h>
Per Cederqvist's avatar
Per Cederqvist committed
79
#include <fcntl.h>
Per Cederqvist's avatar
Per Cederqvist committed
80

Per Cederqvist's avatar
Per Cederqvist committed
81
#include "exp.h"
82
#include "s-string.h"
Per Cederqvist's avatar
Per Cederqvist committed
83
#include "misc-types.h"
84
#include "kom-types.h"
Per Cederqvist's avatar
Per Cederqvist committed
85
#include "com.h"
86
#include "async.h"
Per Cederqvist's avatar
Per Cederqvist committed
87 88 89
#include "connections.h"
#include "internal-connections.h"
#include "kom-errno.h"
Per Cederqvist's avatar
Per Cederqvist committed
90
#include "isc-malloc.h"
91
#include "isc-interface.h"
David Byers's avatar
David Byers committed
92
#include "kom-config.h"
Per Cederqvist's avatar
Per Cederqvist committed
93
#include "cache.h"
Per Cederqvist's avatar
Per Cederqvist committed
94 95
#include "string-malloc.h"
#include "lyskomd.h"
Per Cederqvist's avatar
Per Cederqvist committed
96
#include "log.h"
Per Cederqvist's avatar
Per Cederqvist committed
97 98 99
#include "internal-services.h"
#include "server/smalloc.h"
#include "kom-memory.h"
100 101
#include "conf-file.h"
#include "param.h"
102 103
#include "server-config.h"
#include "manipulate.h"
104
#include "version-info.h"
105
#include "aux-items.h"
David Byers's avatar
David Byers committed
106
#include "admin.h"
107
#include "unused.h"
Per Cederqvist's avatar
Per Cederqvist committed
108
#include "sigflags.h"
Per Cederqvist's avatar
Per Cederqvist committed
109
#include "local-to-global.h"
110
#include "server-time.h"
111 112 113
#ifdef TRACED_ALLOCATIONS
#  include "trace-alloc.h"
#endif
114

115 116 117 118
#if defined(HAVE_SETRLIMIT) && defined(RLIMIT_OFILE) && !defined(RLIMIT_NOFILE)
#  define RLIMIT_NOFILE RLIMIT_OFILE
#endif

119 120
Kom_err		  kom_errno = KOM_NO_ERROR;
unsigned long	  err_stat = 0;
121
time_t            current_time = 0;
122 123


Per Cederqvist's avatar
Per Cederqvist committed
124
#ifndef NDEBUG
125
int	buglevel = 0;
126
#endif
Per Cederqvist's avatar
Per Cederqvist committed
127

128
static IscSession *listen_client = NULL;      /* ISC listen identifier */
Per Cederqvist's avatar
Per Cederqvist committed
129

130
static void dump_exit_statistics(void);
David Byers's avatar
David Byers committed
131
static void free_kom_info(void);
132

Per Cederqvist's avatar
Per Cederqvist committed
133
static void
Per Cederqvist's avatar
Per Cederqvist committed
134
server_init(const char *host, const char * client_port)
Per Cederqvist's avatar
Per Cederqvist committed
135
{
Per Cederqvist's avatar
Per Cederqvist committed
136
    IscConfig config;
137
    IscAddress *isc_adr = NULL;
138 139 140 141
#ifdef HAVE_STRUCT_SIGACTION
    struct sigaction act;
#endif

Per Cederqvist's avatar
Per Cederqvist committed
142 143 144
    /*
    ** Setup some parameters here
    */
145
    config.version = 1006;
Per Cederqvist's avatar
Per Cederqvist committed
146 147 148 149
    config.master.version = 1001;
    config.master.memfn.alloc = &isc_malloc_wrapper;
    config.master.memfn.realloc = &isc_realloc_wrapper;
    config.master.memfn.free = &isc_free_wrapper;
150
    config.master.abortfn = NULL; /* Use default abort function. */
151
    config.session.version = 1002;
152
    config.session.max.msgsize = -1; /* Use default sizes. */
Per Cederqvist's avatar
Per Cederqvist committed
153 154 155 156
    config.session.max.queuedsize = -1;
    config.session.max.dequeuelen = -1;
    config.session.max.openretries = -1;
    config.session.max.backlog = -1;
157
    config.session.fd_relocate = PROTECTED_FDS;
Per Cederqvist's avatar
Per Cederqvist committed
158

159
    kom_server_mcb  = isc_initialize(&config);
Per Cederqvist's avatar
Per Cederqvist committed
160
    if ( kom_server_mcb == NULL )
Per Cederqvist's avatar
Per Cederqvist committed
161 162
	restart_kom("server_init: can't isc_initialize()\n");

163
    listen_client = isc_listentcp(kom_server_mcb, host, client_port);
Per Cederqvist's avatar
Per Cederqvist committed
164 165
    if (listen_client == NULL)
        restart_kom("server_init: can't isc_listentcp(CLIENT)\n");
Per Cederqvist's avatar
Per Cederqvist committed
166

167 168 169 170
    isc_adr = isc_getladdress (listen_client);
    if (isc_adr == NULL)
	restart_kom("server_init(): can't isc_getladdress (listen_client)\n");

David Byers's avatar
David Byers committed
171
    kom_log("Listening for clients on %d.\n", isc_getportnum(isc_adr));
172 173
    isc_freeaddress (isc_adr);
    
Per Cederqvist's avatar
Per Cederqvist committed
174 175 176 177 178 179

    /*
     * Ignore SIGPIPE, which the server gets if it tries to write to a
     * socket and the client has died. The server will anyhow handle
     * this situation correct.
     */
180 181 182 183
#ifdef HAVE_STRUCT_SIGACTION
    sigemptyset(&act.sa_mask);
    act.sa_flags = 0;
    act.sa_handler = SIG_IGN;
184
    sigaction(SIGPIPE, &act, NULL);
185
#else
Per Cederqvist's avatar
Per Cederqvist committed
186
    signal(SIGPIPE, SIG_IGN);
187
#endif
Per Cederqvist's avatar
Per Cederqvist committed
188 189 190
}

static void
191
init_data_base(void)
Per Cederqvist's avatar
Per Cederqvist committed
192
{
David Byers's avatar
David Byers committed
193 194 195
    kom_log("Database = %s\n",  param.datafile_name);
    kom_log("Backup = %s\n", param.backupfile_name);
    kom_log("2nd Backup = %s\n", param.backupfile_name_2);
Per Cederqvist's avatar
Per Cederqvist committed
196 197
    
    if ( init_cache() == FAILURE )
198
	restart_kom ("Cannot find database.\n");
Per Cederqvist's avatar
Per Cederqvist committed
199 200
}

Per Cederqvist's avatar
Per Cederqvist committed
201
static void
202
sighandler_hup (int UNUSED(sig))
Per Cederqvist's avatar
Per Cederqvist committed
203
{
204
#ifndef HAVE_STRUCT_SIGACTION
205
    signal(SIGHUP, sighandler_hup);
206
#endif
David Byers's avatar
David Byers committed
207
    kom_log ("Signal HUP received. Shutting down server.\n");
Per Cederqvist's avatar
Per Cederqvist committed
208
    go_and_die = 1;
Per Cederqvist's avatar
Per Cederqvist committed
209 210
}

Per Cederqvist's avatar
Per Cederqvist committed
211
static void
212
sighandler_quit (int UNUSED(sig))
Per Cederqvist's avatar
Per Cederqvist committed
213
{
David Byers's avatar
David Byers committed
214
    kom_log ("Signal QUIT received - syncing...\n");
Per Cederqvist's avatar
Per Cederqvist committed
215
    cache_sync_all();
David Byers's avatar
David Byers committed
216
    kom_log ("Dumping core now.\n");
Per Cederqvist's avatar
Per Cederqvist committed
217 218 219
    abort();
}

Per Cederqvist's avatar
Per Cederqvist committed
220
static void
221
sighandler_usr1 (int UNUSED(sig))
Per Cederqvist's avatar
Per Cederqvist committed
222
{
223
#ifndef HAVE_STRUCT_SIGACTION
224
    signal(SIGUSR1, sighandler_usr1);
225
#endif
Per Cederqvist's avatar
Per Cederqvist committed
226
    do_statistics = 1;
Per Cederqvist's avatar
Per Cederqvist committed
227 228
}

Per Cederqvist's avatar
Per Cederqvist committed
229
static void
230
sighandler_usr2 (int UNUSED(sig))
Per Cederqvist's avatar
Per Cederqvist committed
231 232 233
{
    int		  child;

234
#ifndef HAVE_STRUCT_SIGACTION
235
    signal(SIGUSR2, sighandler_usr2);
236
#endif
237

David Byers's avatar
David Byers committed
238
    kom_log ("Signal USR2 received - will dump core now.  (Check that child dies.)\n");
Per Cederqvist's avatar
Per Cederqvist committed
239 240 241
    if ((child = fork()) == 0)
    {
	abort();
David Byers's avatar
David Byers committed
242
	kom_log ("Abort() failed!!!");
Per Cederqvist's avatar
Per Cederqvist committed
243 244 245 246
	exit(1);
    }
    else if (child < 0)
    {
David Byers's avatar
David Byers committed
247
	kom_log ("Couldn't fork.\n");
Per Cederqvist's avatar
Per Cederqvist committed
248 249 250 251 252 253 254
    }
    else
    {
	wait (NULL);
    }
}

Per Cederqvist's avatar
Per Cederqvist committed
255
static void
Per Cederqvist's avatar
Per Cederqvist committed
256 257 258 259
save_pid(void)
{
    FILE *fp;

260
    if ((fp = fopen(param.pid_name, "w")) == NULL)
Per Cederqvist's avatar
Per Cederqvist committed
261 262
	return;

263
    fprintf(fp, "%ld\n", (long)getpid());
Per Cederqvist's avatar
Per Cederqvist committed
264 265 266
    fclose(fp);
}

Per Cederqvist's avatar
Per Cederqvist committed
267
static void
268
go_daemon(void)
Per Cederqvist's avatar
Per Cederqvist committed
269 270 271
{
    pid_t child;
    int fd;
272 273 274 275
#ifdef HAVE_STRUCT_SIGACTION
    struct sigaction act;
#endif
    
276 277 278 279 280
    if (buglevel != 0)
    {
	return;
    }

Per Cederqvist's avatar
Per Cederqvist committed
281 282 283 284 285
    if (getppid() != 1)
    {
	/* We were not invoked from /etc/inittab, so
	   disassociate from controlling terminal. */

286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303
#ifdef HAVE_STRUCT_SIGACTION
	sigemptyset(&act.sa_mask);
	act.sa_flags = 0;
	act.sa_handler = SIG_IGN;

#  ifdef SIGTTOU
	sigaction(SIGTTOU, &act, NULL);
#  endif
#  ifdef SIGTTIN
	sigaction(SIGTTIN, &act, NULL);
#  endif
#  ifdef SIGTSTP
	sigaction(SIGTSTP, &act, NULL);
#  endif

#else  /* !HAVE_STRUCT_SIGACTION */

#  ifdef SIGTTOU
Per Cederqvist's avatar
Per Cederqvist committed
304
	signal(SIGTTOU, SIG_IGN);
305 306
#  endif
#  ifdef SIGTTIN
Per Cederqvist's avatar
Per Cederqvist committed
307
	signal(SIGTTIN, SIG_IGN);
308 309
#  endif
#  ifdef SIGTSTP
Per Cederqvist's avatar
Per Cederqvist committed
310
	signal(SIGTSTP, SIG_IGN);
311 312
#  endif

Per Cederqvist's avatar
Per Cederqvist committed
313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328
#endif

	child = fork();
	if (child < 0)
	    restart_kom("fork failed: %d\n", errno);
	else if (child > 0)
	    exit (0);		/* parent */
	
	setsid();
    }

    /* Close all file descriptors */
    for (fd = 0; fd < MAX_NO_OF_CONNECTIONS + PROTECTED_FDS; fd++)
	close(fd);
    if (open("/dev/null", O_RDONLY) != 0
	||open("/dev/null", O_WRONLY) != 1
329
	||open(param.logfile_name, O_WRONLY|O_CREAT|O_APPEND, 0644) != 2)
Per Cederqvist's avatar
Per Cederqvist committed
330 331 332
    {
	/* Kinda stupid to try to log an error message now, but
	   who knows? */
333
	restart_kom("open of log file failed: %d\n", errno);
Per Cederqvist's avatar
Per Cederqvist committed
334
    }
David Byers's avatar
David Byers committed
335 336
    kom_log("*** Version %s (process %lu) coming up.\n",
            kom_version_info.server_version, (unsigned long)getpid());
Per Cederqvist's avatar
Per Cederqvist committed
337 338
}

339
static void
340
initialize(const char *config_file)
341
{
342 343 344 345
#if defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE)
    struct rlimit rlim;
#endif

346
    read_configuration(config_file);
347
    initialize_aux_items(param.aux_def_file);
348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363

#ifdef HAVE_LOCALE_H
    if (param.use_locale != NULL)
	if (setlocale(LC_CTYPE, param.use_locale) == NULL)
	{
	    fprintf(stderr, "setlocale: ");
	    perror(param.use_locale);
	    exit(1);
	}
#else
    if (param.use_locale != NULL)
    {
	fprintf(stderr, "locale not supported in your environment.\n");
	exit(1);
    }
#endif
364 365

#if defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE)
366 367 368 369 370 371
    if (getrlimit(RLIMIT_NOFILE, &rlim) < 0)
    {
	perror("getrlimit(RLIMIT_NOFILE) failed");
	exit(1);
    }

Per Cederqvist's avatar
Per Cederqvist committed
372
    if (param.no_files != -1)
373 374 375
    {
	if (param.no_files > rlim.rlim_max)
	{
376 377 378 379
	    fprintf(stderr, "attempt to raise open files from %ld to %ld, "
		    "but only %ld is allowed\n",
		    (long)rlim.rlim_cur, (long)param.no_files,
		    (long)rlim.rlim_max);
380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411
	    rlim.rlim_cur = rlim.rlim_max;
	}
	else
	    rlim.rlim_cur = param.no_files;
	
	if (setrlimit(RLIMIT_NOFILE, &rlim) < 0)
	{
	    perror("setrlimit failed");
	    exit(1);
	}
    }
#else
    if (param.no_files != -1)
    {
	fprintf(stderr,
		"can't alter number of open files in your environment.\n");
	exit(1);
    }
#endif

    /* Find out how many connections we can handle. */
#if defined (HAVE_SYSCONF)
    MAX_NO_OF_CONNECTIONS = sysconf(_SC_OPEN_MAX) - PROTECTED_FDS;
#else
# ifdef HAVE_GETDTABLESIZE
    MAX_NO_OF_CONNECTIONS = getdtablesize() - PROTECTED_FDS;
# else
    /* If we don't have getdtablesize or sysconf, MAX_NO_OF_CONNECTIONS is
       set at compile time. */
# endif
#endif

412 413 414 415
#if defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE)
    /* Check that getrlimit and sysconf/getdtablesize/the compiled default
       makes sense. */
    if (rlim.rlim_cur > MAX_NO_OF_CONNECTIONS + PROTECTED_FDS)
David Byers's avatar
David Byers committed
416
	kom_log("WARNING: getrlimit indicates that %ld files can be open, "
417 418 419
	    "but MAX_NO_OF_CONNECTIONS is only %ld\n",
	    (long)rlim.rlim_cur, (long)MAX_NO_OF_CONNECTIONS);
    else if (rlim.rlim_cur < MAX_NO_OF_CONNECTIONS + PROTECTED_FDS)
David Byers's avatar
David Byers committed
420
	kom_log("warning: getrlimit indicates that only %ld files can be open, "
421 422 423 424
	    "but MAX_NO_OF_CONNECTIONS is %ld (this should be harmless)\n",
	    (long)rlim.rlim_cur, (long)MAX_NO_OF_CONNECTIONS);
#endif

425
    go_daemon();
Per Cederqvist's avatar
Per Cederqvist committed
426
    server_init(param.ip_client_host, param.ip_client_port);
427
    init_data_base();
428 429
}

Per Cederqvist's avatar
Per Cederqvist committed
430 431 432
/* Stop complaint from gcc 2.0 about "no previous prototype for `main'". */
int main(int argc, char **argv);

433
	
Per Cederqvist's avatar
Per Cederqvist committed
434 435 436 437 438
int
main (int    argc,
      char **argv)
{
    int i;
439 440
    char *default_config_file;
    char *config_file;
441 442 443
#ifdef HAVE_STRUCT_SIGACTION
    struct sigaction act;
#endif
444
    current_time = time(NULL);
Per Cederqvist's avatar
Per Cederqvist committed
445

446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461
#ifdef TRACED_ALLOCATIONS
    /* We must do this before we allocate any memory... */
    {
      char buf[1024];
      char *nl;

      fputs("Where does the trace want to go today? [stderr]\n", stdout);
      fflush(stdout);
      if (fgets(buf, sizeof(buf), stdin) != buf)
	  restart_kom("main(): unable to read trace location\n");
      if ((nl = strchr(buf, '\n')) != NULL)
	  *nl = '\0';
      trace_alloc_file(buf);
    }
#endif

David Byers's avatar
David Byers committed
462
    kom_log("*** Version %s (process %lu) started.\n",
463
	kom_version_info.server_version, (unsigned long)getpid());
464
#ifdef DEBUG_CALLS
David Byers's avatar
David Byers committed
465 466
    kom_log("WARNING: This server was compiled with --with-debug-calls.\n");
    kom_log("It isn't safe to use in a production environment.\n");
467
#endif
468

Per Cederqvist's avatar
Per Cederqvist committed
469
#ifdef ENCRYPT_PASSWORDS
470
    /* Seed the random number generator. */
Per Cederqvist's avatar
Per Cederqvist committed
471 472
    srand(time(NULL) + getpid());
#endif
Per Cederqvist's avatar
Per Cederqvist committed
473

474 475
    /* Initialize the string handling package. */
    s_set_storage_management(string_malloc, string_realloc, string_free);
476

477
    /* Parse command line arguments. */
Per Cederqvist's avatar
Per Cederqvist committed
478 479 480 481 482 483 484
    for (i = 1; i < argc && argv[i][0] == '-'; i++)
	switch (argv[i][1])
	{
	case 'd':
	    buglevel++;
	    break;

485
	default:
486
	    restart_kom("usage: %s [-d ...] [config-file]\n", argv[0]);
487
	}
Per Cederqvist's avatar
Per Cederqvist committed
488

489

490
    /* Read in the configuration file. */
491

492 493 494
    default_config_file = smalloc(strlen(DEFAULT_DBASE_DIR) +
				  strlen(CONFIG_FILE) + 2);
    sprintf(default_config_file, "%s/%s", DEFAULT_DBASE_DIR, CONFIG_FILE);
Per Cederqvist's avatar
Per Cederqvist committed
495
    if (i < argc)
496 497 498
	config_file = argv[i++];
    else
	config_file = default_config_file;
Per Cederqvist's avatar
Per Cederqvist committed
499

500 501
    if (i < argc)
	    restart_kom("usage: %s [-d ...] [config-file]\n", argv[0]);
502

503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518
#ifdef HAVE_STRUCT_SIGACTION
    sigemptyset(&act.sa_mask);
    act.sa_flags = 0;

    act.sa_handler = sighandler_hup;
    sigaction(SIGHUP, &act, NULL);

    act.sa_handler = sighandler_quit;
    sigaction(SIGQUIT, &act, NULL);

    act.sa_handler = sighandler_usr1;
    sigaction(SIGUSR1, &act, NULL);

    act.sa_handler = sighandler_usr2;
    sigaction(SIGUSR2, &act, NULL);
#else
Per Cederqvist's avatar
Per Cederqvist committed
519 520 521 522
    signal(SIGHUP, sighandler_hup);
    signal(SIGQUIT, sighandler_quit);
    signal(SIGUSR1, sighandler_usr1);
    signal(SIGUSR2, sighandler_usr2);
523 524
#endif

525
    initialize(config_file);	/* Read config, listen, and start db */
526
    chdir(param.core_dir);
527 528
    sfree(default_config_file);

Per Cederqvist's avatar
Per Cederqvist committed
529
    save_pid();
Per Cederqvist's avatar
Per Cederqvist committed
530

Per Cederqvist's avatar
Per Cederqvist committed
531
    toploop();
Per Cederqvist's avatar
Per Cederqvist committed
532 533

    logout_all_clients();
534
    isc_shutdown(kom_server_mcb);
Per Cederqvist's avatar
Per Cederqvist committed
535
    cache_sync_all();
Per Cederqvist's avatar
Per Cederqvist committed
536

David Byers's avatar
David Byers committed
537
    free_kom_info();
David Byers's avatar
David Byers committed
538 539 540

    /* Finish */

541 542
    dump_exit_statistics();

David Byers's avatar
David Byers committed
543
    kom_log("%s terminated normally.\n", argv[0]);
544 545 546 547 548 549 550

    /* Don't actually die until something is entered on stdin in debug
       mode.  This is mainly here for the benefit of the test suite,
       but is could also be useful to be able to attach a debugger and
       do pre-mortem debugging of the process at this point.  */
    if (buglevel > 0)
    {
David Byers's avatar
David Byers committed
551
	kom_log("Press enter to terminate lyskomd\n");
552 553
	getchar();
    }
David Byers's avatar
David Byers committed
554

555
    exit(0);
556 557 558 559 560 561 562 563 564
}

static void 
dump_exit_statistics(void)
{
    FILE *stat_file;
    time_t now;

    time(&now);
565
    stat_file = fopen(param.memuse_name, "a");
Per Cederqvist's avatar
Per Cederqvist committed
566 567 568 569

    if ( stat_file == NULL )
	restart_kom("Can't open file to save memory usage to.\n");

570 571
    fprintf(stat_file, "\nLysKOM Server going down at %s\n", ctime(&now));

572 573 574 575
    dump_cache_stats (stat_file);

    free_all_tmp();
    free_all_cache();
576
    free_all_jubel();
577

Per Cederqvist's avatar
Per Cederqvist committed
578 579
    dump_smalloc_counts(stat_file);
    dump_alloc_counts(stat_file);
580
    dump_cache_mem_usage(stat_file);
Per Cederqvist's avatar
Per Cederqvist committed
581
    dump_string_alloc_counts(stat_file);
582
    dump_allocated_connections(stat_file);
583
    dump_isc_alloc_counts(stat_file);
584
    dump_l2g_stats(stat_file);
Per Cederqvist's avatar
Per Cederqvist committed
585
    fclose (stat_file);
Per Cederqvist's avatar
Per Cederqvist committed
586
}
David Byers's avatar
David Byers committed
587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603

static void
free_kom_info(void)
{
    unsigned long i;

    if (kom_info.aux_item_list.items != NULL)
    {
        for (i = 0; i < kom_info.aux_item_list.length; i++)
        {
            s_clear(&kom_info.aux_item_list.items[i].data);
        }
        sfree(kom_info.aux_item_list.items);
    }
    kom_info.aux_item_list.length = 0;
    kom_info.aux_item_list.items = 0;
}