openldap/servers/slurpd/main.c

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/* $OpenLDAP$ */
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/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
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/*
* Copyright (c) 1996 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
/*
* main.c - main routine for slurpd.
*/
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#include "portable.h"
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#include <ac/stdlib.h>
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#include <stdio.h>
#include "slurp.h"
#include "globals.h"
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#include "lutil.h"
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int
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main(
int argc,
char **argv
)
{
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#ifdef NO_THREADS
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/* Haven't yet written the non-threaded version */
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fputs( "slurpd currently requires threads support\n", stderr );
return( 1 );
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#else
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int i;
/* initialize thread package */
ldap_pvt_thread_initialize();
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/*
* Create and initialize globals. init_globals() also initializes
* the main replication queue.
*/
if (( sglob = init_globals()) == NULL ) {
fprintf( stderr, "Out of memory initializing globals\n" );
exit( EXIT_FAILURE );
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}
/*
* Process command-line args and fill in globals.
*/
if ( doargs( argc, argv, sglob ) < 0 ) {
exit( EXIT_FAILURE );
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}
/*
* Read slapd config file and initialize Re (per-replica) structs.
*/
if ( slurpd_read_config( sglob->slapd_configfile ) < 0 ) {
fprintf( stderr,
"Errors encountered while processing config file \"%s\"\n",
sglob->slapd_configfile );
exit( EXIT_FAILURE );
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}
/*
* Make sure our directory exists
*/
if ( mkdir(sglob->slurpd_rdir, 0755) == -1 && errno != EEXIST) {
perror(sglob->slurpd_rdir);
exit( 1 );
}
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/*
* Get any saved state information off the disk.
*/
if ( sglob->st->st_read( sglob->st )) {
fprintf( stderr, "Malformed slurpd status file \"%s\"\n",
sglob->slurpd_status_file, 0, 0 );
exit( EXIT_FAILURE );
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}
/*
* All readonly data should now be initialized.
* Check for any fatal error conditions before we get started
*/
if ( sanity() < 0 ) {
exit( EXIT_FAILURE );
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}
/*
* Detach from the controlling terminal
* unless the -d flag is given or in one-shot mode.
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*/
if ( ! (sglob->no_detach || sglob->one_shot_mode) )
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lutil_detach( 0, 0 );
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/*
* Start the main file manager thread (in fm.c).
*/
if ( ldap_pvt_thread_create( &(sglob->fm_tid),
0, fm, (void *) NULL ) != 0 )
{
Debug( LDAP_DEBUG_ANY, "file manager ldap_pvt_thread_create failed\n",
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0, 0, 0 );
exit( EXIT_FAILURE );
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}
/*
* wait for fm to finish if in oneshot mode
*/
if ( sglob->one_shot_mode ) {
ldap_pvt_thread_join( sglob->fm_tid, (void *) NULL );
}
/*
* Start threads - one thread for each replica
*/
for ( i = 0; sglob->replicas[ i ] != NULL; i++ ) {
start_replica_thread( sglob->replicas[ i ]);
}
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/*
* Wait for the fm thread to finish.
*/
if ( !sglob->one_shot_mode ) {
ldap_pvt_thread_join( sglob->fm_tid, (void *) NULL );
}
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/*
* Wait for the replica threads to finish.
*/
for ( i = 0; sglob->replicas[ i ] != NULL; i++ ) {
ldap_pvt_thread_join( sglob->replicas[ i ]->ri_tid, (void *) NULL );
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}
/* destroy the thread package */
ldap_pvt_thread_destroy();
Debug( LDAP_DEBUG_ANY, "slurpd: terminated.\n", 0, 0, 0 );
return 0;
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#endif /* !NO_THREADS */
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}