void
AirspaceNearestSort::visit_sorted(const Airspaces &airspaces,
AirspaceVisitor &visitor,
const fixed range)
{
populate_queue(airspaces, range);
while (!m_q.empty()) {
visitor.Visit(*m_q.top().second.second.get_airspace());
m_q.pop();
}
}
const AbstractAirspace *
AirspaceNearestSort::find_nearest(const Airspaces &airspaces,
const fixed range)
{
populate_queue(airspaces, range);
if (!m_q.empty()) {
return m_q.top().second.second;
} else {
return nullptr;
}
}
/*
* Main file manager routine. Watches for new data to be appended to the
* slapd replication log. When new data is appended, fm does the following:
* - appends the data to slurpd's private copy of the replication log.
* - truncates the slapd replog
* - adds items to the internal queue of replication work to do
* - signals the replication threads to let them know new work has arrived.
*/
void *
fm(
void *arg
)
{
int rc;
int i;
fd_set readfds;
/* Set up our signal handlers:
* SIG{TERM,INT,HUP} causes a shutdown
*/
(void) SIGNAL( SIGTERM, slurp_set_shutdown );
(void) SIGNAL( SIGINT, slurp_set_shutdown );
#ifdef SIGHUP
(void) SIGNAL( SIGHUP, slurp_set_shutdown );
#endif
#if defined(SIGBREAK) && defined(HAVE_NT_SERVICE_MANAGER)
(void) SIGNAL( SIGBREAK, do_nothing );
#endif
if ( sglob->one_shot_mode ) {
if ( file_nonempty( sglob->slapd_replogfile )) {
populate_queue( sglob->slapd_replogfile );
}
printf( "Processing in one-shot mode:\n" );
printf( "%d total replication records in file,\n",
sglob->rq->rq_getcount( sglob->rq, RQ_COUNT_ALL ));
printf( "%d replication records to process.\n",
sglob->rq->rq_getcount( sglob->rq, RQ_COUNT_NZRC ));
return NULL;
}
/*
* There may be some leftover replication records in our own
* copy of the replication log. If any exist, add them to the
* queue.
*/
if ( file_nonempty( sglob->slurpd_replogfile )) {
populate_queue( sglob->slurpd_replogfile );
}
FD_ZERO( &readfds );
while ( !sglob->slurpd_shutdown ) {
if ( file_nonempty( sglob->slapd_replogfile )) {
/* New work found - copy to slurpd replog file */
#ifdef NEW_LOGGING
LDAP_LOG ( SLURPD, ARGS,
"fm: new work in %s\n", sglob->slapd_replogfile, 0, 0 );
#else
Debug( LDAP_DEBUG_ARGS, "new work in %s\n",
sglob->slapd_replogfile, 0, 0 );
#endif
if (( rc = copy_replog( sglob->slapd_replogfile,
sglob->slurpd_replogfile )) == 0 ) {
populate_queue( sglob->slurpd_replogfile );
} else {
if ( rc < 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( SLURPD, CRIT,
"fm: Fatal error while copying replication log\n" , 0, 0, 0);
#else
Debug( LDAP_DEBUG_ANY,
"Fatal error while copying replication log\n",
0, 0, 0 );
#endif
sglob->slurpd_shutdown = 1;
}
}
} else {
struct timeval tv;
FD_SET( sglob->wake_sds[0], &readfds );
tv.tv_sec = sglob->no_work_interval;
tv.tv_usec = 0;
rc = select( sglob->wake_sds[0]+1, &readfds, NULL, NULL, &tv );
}
/* Garbage-collect queue */
sglob->rq->rq_gc( sglob->rq );
/* Trim replication log file, if needed */
if ( sglob->rq->rq_needtrim( sglob->rq )) {
FILE *fp, *lfp;
if (( rc = acquire_lock( sglob->slurpd_replogfile, &fp,
&lfp )) < 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( SLURPD, ERR,
"fm: Error: cannot acquire lock on \"%s\" for trimming\n",
sglob->slurpd_replogfile, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: cannot acquire lock on \"%s\" for trimming\n",
sglob->slurpd_replogfile, 0, 0 );
#endif
} else {
sglob->rq->rq_write( sglob->rq, fp );
(void) relinquish_lock( sglob->slurpd_replogfile, fp, lfp );
}
}
}
sglob->rq->rq_lock( sglob->rq ); /* lock queue */
ldap_pvt_thread_cond_broadcast( &(sglob->rq->rq_more) ); /* wake repl threads */
for ( i = 0; i < sglob->num_replicas; i++ ) {
(sglob->replicas[ i ])->ri_wake( sglob->replicas[ i ]);
}
sglob->rq->rq_unlock( sglob->rq ); /* unlock queue */
#ifdef NEW_LOGGING
LDAP_LOG ( SLURPD, RESULTS, "fm: exiting\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ARGS, "fm: exiting\n", 0, 0, 0 );
#endif
return NULL;
}
