/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2011 The OpenLDAP Foundation.
+ * Copyright 1998-2014 The OpenLDAP Foundation.
* Portions Copyright 2007 by Howard Chu, Symas Corporation.
* All rights reserved.
*
#include "ldap_rq.h"
+#ifdef HAVE_POLL
+#include <poll.h>
+#endif
+
#if defined(HAVE_SYS_EPOLL_H) && defined(HAVE_EPOLL)
# include <sys/epoll.h>
#elif defined(SLAP_X_DEVPOLL) && defined(HAVE_SYS_DEVPOLL_H) && defined(HAVE_DEVPOLL)
slap_ssf_t local_ssf = LDAP_PVT_SASL_LOCAL_SSF;
struct runqueue_s slapd_rq;
-#define MAX_DAEMON_THREADS 16
+#ifndef SLAPD_MAX_DAEMON_THREADS
+#define SLAPD_MAX_DAEMON_THREADS 16
+#endif
int slapd_daemon_threads = 1;
int slapd_daemon_mask;
Listener **slap_listeners = NULL;
static volatile sig_atomic_t listening = 1; /* 0 when slap_listeners closed */
+static ldap_pvt_thread_t *listener_tid;
#ifndef SLAPD_LISTEN_BACKLOG
#define SLAPD_LISTEN_BACKLOG 1024
#define DAEMON_ID(fd) (fd & slapd_daemon_mask)
-static ber_socket_t wake_sds[MAX_DAEMON_THREADS][2];
+static ber_socket_t wake_sds[SLAPD_MAX_DAEMON_THREADS][2];
static int emfile;
-static time_t chk_writetime;
-
static volatile int waking;
#ifdef NO_THREADS
#define WAKE_LISTENER(l,w) do { \
#endif /* ! epoll && ! /dev/poll */
} slap_daemon_st;
-static slap_daemon_st slap_daemon[MAX_DAEMON_THREADS];
+static slap_daemon_st slap_daemon[SLAPD_MAX_DAEMON_THREADS];
/*
* NOTE: naming convention for macros:
SLAP_SOCK_SET_WRITE( id, s );
slap_daemon[id].sd_nwriters++;
}
- if (( wake & 2 ) && global_writetimeout && !chk_writetime ) {
- if (id)
- ldap_pvt_thread_mutex_lock( &slap_daemon[0].sd_mutex );
- if (!chk_writetime)
- chk_writetime = slap_get_time();
- if (id)
- ldap_pvt_thread_mutex_unlock( &slap_daemon[0].sd_mutex );
- }
ldap_pvt_thread_mutex_unlock( &slap_daemon[id].sd_mutex );
WAKE_LISTENER(id,wake);
WAKE_LISTENER(id,wake);
}
-time_t
-slapd_get_writetime()
-{
- time_t cur;
- ldap_pvt_thread_mutex_lock( &slap_daemon[0].sd_mutex );
- cur = chk_writetime;
- ldap_pvt_thread_mutex_unlock( &slap_daemon[0].sd_mutex );
- return cur;
-}
-
-void
-slapd_clr_writetime( time_t old )
-{
- ldap_pvt_thread_mutex_lock( &slap_daemon[0].sd_mutex );
- if ( chk_writetime == old )
- chk_writetime = 0;
- ldap_pvt_thread_mutex_unlock( &slap_daemon[0].sd_mutex );
-}
-
static void
slapd_close( ber_socket_t s )
{
#endif
}
+void
+slapd_shutsock( ber_socket_t s )
+{
+ Debug( LDAP_DEBUG_CONNS, "daemon: shutdown socket %ld\n",
+ (long) s, 0, 0 );
+ shutdown( SLAP_FD2SOCK(s), 2 );
+}
+
static void
slap_free_listener_addresses( struct sockaddr **sal )
{
Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
urls ? urls : "<null>", 0, 0 );
- for ( i=0; i<MAX_DAEMON_THREADS; i++ ) {
+ for ( i=0; i<SLAPD_MAX_DAEMON_THREADS; i++ ) {
wake_sds[i][0] = AC_SOCKET_INVALID;
wake_sds[i][1] = AC_SOCKET_INVALID;
}
"daemon: connection_init(%ld, %s, %s) failed.\n",
(long) sfd, peername, sl->sl_name.bv_val );
slapd_close(sfd);
- return 0;
}
- Statslog( LDAP_DEBUG_STATS,
- "conn=%ld fd=%ld ACCEPT from %s (%s)\n",
- c->c_connid, (long) sfd, peername, sl->sl_name.bv_val,
- 0 );
-
return 0;
}
int l;
time_t last_idle_check = 0;
int ebadf = 0;
- int tid = *(int *)ptr;
+ int tid = (ldap_pvt_thread_t *) ptr - listener_tid;
#define SLAPD_IDLE_CHECK_LIMIT 4
now = slap_get_time();
- if ( !tid && ( global_idletimeout > 0 || chk_writetime )) {
+ if ( !tid && ( global_idletimeout > 0 )) {
int check = 0;
/* Set the select timeout.
* Don't just truncate, preserve the fractions of
* seconds to prevent sleeping for zero time.
*/
- if ( chk_writetime ) {
- tv.tv_sec = global_writetimeout;
- tv.tv_usec = 0;
- if ( difftime( chk_writetime, now ) < 0 )
- check = 2;
- } else {
+ {
tv.tv_sec = global_idletimeout / SLAPD_IDLE_CHECK_LIMIT;
tv.tv_usec = global_idletimeout - \
( tv.tv_sec * SLAPD_IDLE_CHECK_LIMIT );
nfds = SLAP_EVENT_MAX(tid);
- if (( chk_writetime || global_idletimeout ) && slap_daemon[tid].sd_nactives ) at = 1;
+ if (( global_idletimeout ) && slap_daemon[tid].sd_nactives ) at = 1;
ldap_pvt_thread_mutex_unlock( &slap_daemon[tid].sd_mutex );
}
}
/* If event is a read */
- if ( SLAP_EVENT_IS_READ( i ))
+ if ( SLAP_EVENT_IS_READ( i )) {
r = 1;
- if ( r || !w ) {
Debug( LDAP_DEBUG_CONNS,
"daemon: read active on %d\n",
fd, 0, 0 );
- if ( r ) {
- SLAP_EVENT_CLR_READ( i );
- } else {
+ SLAP_EVENT_CLR_READ( i );
+ connection_read_activate( fd );
+ } else if ( !w ) {
#ifdef HAVE_EPOLL
- /* Don't keep reporting the hangup
- */
- if ( SLAP_SOCK_IS_ACTIVE( tid, fd )) {
- SLAP_EPOLL_SOCK_SET( tid, fd, EPOLLET );
- }
-#endif
+ /* Don't keep reporting the hangup
+ */
+ if ( SLAP_SOCK_IS_ACTIVE( tid, fd )) {
+ SLAP_EPOLL_SOCK_SET( tid, fd, EPOLLET );
}
- connection_read_activate( fd );
+#endif
}
}
}
slapd_daemon( void )
{
int i, rc;
- ldap_pvt_thread_t *listener_tid;
#ifdef LDAP_CONNECTIONLESS
connectionless_init();
#endif /* LDAP_CONNECTIONLESS */
+ if ( slapd_daemon_threads > SLAPD_MAX_DAEMON_THREADS )
+ slapd_daemon_threads = SLAPD_MAX_DAEMON_THREADS;
+
listener_tid = ch_malloc(slapd_daemon_threads * sizeof(ldap_pvt_thread_t));
/* daemon_init only inits element 0 */
{
/* listener as a separate THREAD */
rc = ldap_pvt_thread_create( &listener_tid[i],
- 0, slapd_daemon_task, (void *)&i );
+ 0, slapd_daemon_task, &listener_tid[i] );
if ( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
destroy_listeners();
ch_free( listener_tid );
+ listener_tid = NULL;
return 0;
}
{
WAKE_LISTENER(0,1);
}
+
+/* return 0 on timeout, 1 on writer ready
+ * -1 on general error
+ */
+int
+slapd_wait_writer( ber_socket_t sd )
+{
+#ifdef HAVE_WINSOCK
+ fd_set writefds;
+ struct timeval tv, *tvp;
+
+ FD_ZERO( &writefds );
+ FD_SET( slapd_ws_sockets[sd], &writefds );
+ if ( global_writetimeout ) {
+ tv.tv_sec = global_writetimeout;
+ tv.tv_usec = 0;
+ tvp = &tv;
+ } else {
+ tvp = NULL;
+ }
+ return select( 0, NULL, &writefds, NULL, tvp );
+#else
+ struct pollfd fds;
+ int timeout = global_writetimeout ? global_writetimeout * 1000 : -1;
+
+ fds.fd = sd;
+ fds.events = POLLOUT;
+
+ return poll( &fds, 1, timeout );
+#endif
+}
projects / openldap / blobdiff