#include "ldap_rq.h"
#if defined(HAVE_SYS_EPOLL_H) && defined(HAVE_EPOLL)
-#include <sys/epoll.h>
+# include <sys/epoll.h>
#endif
#ifdef HAVE_TCPD
-#include <tcpd.h>
-#define SLAP_STRING_UNKNOWN STRING_UNKNOWN
-
+# include <tcpd.h>
int allow_severity = LOG_INFO;
int deny_severity = LOG_NOTICE;
+
+# define SLAP_STRING_UNKNOWN STRING_UNKNOWN
#else /* ! TCP Wrappers */
-#define SLAP_STRING_UNKNOWN "unknown"
+# define SLAP_STRING_UNKNOWN "unknown"
#endif /* ! TCP Wrappers */
#ifdef LDAP_PF_LOCAL
-#include <sys/stat.h>
+# include <sys/stat.h>
/* this should go in <ldap.h> as soon as it is accepted */
-#define LDAPI_MOD_URLEXT "x-mod"
+# define LDAPI_MOD_URLEXT "x-mod"
#endif /* LDAP_PF_LOCAL */
#ifdef LDAP_PF_INET6
static int emfile;
static int waking;
-#define WAKE_LISTENER(w) do { \
- if ((w) && waking < 5) { waking++; tcp_write( wake_sds[1], "0", 1 ); } \
- } while(0)
+#define WAKE_LISTENER(w) do { \
+ if ((w) && waking < 5) { \
+ waking++; \
+ tcp_write( wake_sds[1], "0", 1 ); \
+ } \
+} while(0)
-volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0;
+volatile sig_atomic_t slapd_shutdown = 0;
+volatile sig_atomic_t slapd_gentle_shutdown = 0;
volatile sig_atomic_t slapd_abrupt_shutdown = 0;
static struct slap_daemon {
int sd_epfd;
int sd_nfds;
#else
-
#ifndef HAVE_WINSOCK
/* In winsock, accept() returns values higher than dtblsize
so don't bother with this optimization */
int sd_nfds;
#endif
-
fd_set sd_actives;
fd_set sd_readers;
fd_set sd_writers;
} slap_daemon;
#ifdef HAVE_EPOLL
-#define SLAP_EVENTS_ARE_INDEXED 0
-#define SLAP_SOCK_IX(s) (slap_daemon.sd_index[s])
-#define SLAP_SOCK_EP(s) (slap_daemon.sd_epolls[SLAP_SOCK_IX(s)])
-#define SLAP_SOCK_EV(s) (SLAP_SOCK_EP(s).events)
-#define SLAP_SOCK_IS_ACTIVE(s) (SLAP_SOCK_IX(s) != -1)
-#define SLAP_SOCK_NOT_ACTIVE(s) (SLAP_SOCK_IX(s) == -1)
-#define SLAP_SOCK_IS_SET(s, mode) (SLAP_SOCK_EV(s) & mode)
-
-#define SLAP_SOCK_IS_READ(s) SLAP_SOCK_IS_SET(s, EPOLLIN)
-#define SLAP_SOCK_IS_WRITE(s) SLAP_SOCK_IS_SET(s, EPOLLOUT)
-
-#define SLAP_SET_SOCK(s, mode) do { \
- if ((SLAP_SOCK_EV(s) & mode) != mode) { \
- SLAP_SOCK_EV(s) |= mode; \
- epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_MOD, s, \
- &SLAP_SOCK_EP(s)); \
- } \
+# define SLAP_EVENTS_ARE_INDEXED 0
+# define SLAP_SOCK_IX(s) (slap_daemon.sd_index[(s)])
+# define SLAP_SOCK_EP(s) (slap_daemon.sd_epolls[SLAP_SOCK_IX(s)])
+# define SLAP_SOCK_EV(s) (SLAP_SOCK_EP(s).events)
+# define SLAP_SOCK_IS_ACTIVE(s) (SLAP_SOCK_IX(s) != -1)
+# define SLAP_SOCK_NOT_ACTIVE(s) (SLAP_SOCK_IX(s) == -1)
+# define SLAP_SOCK_IS_SET(s, mode) (SLAP_SOCK_EV(s) & (mode))
+
+# define SLAP_SOCK_IS_READ(s) SLAP_SOCK_IS_SET((s), EPOLLIN)
+# define SLAP_SOCK_IS_WRITE(s) SLAP_SOCK_IS_SET((s), EPOLLOUT)
+
+# define SLAP_SET_SOCK(s, mode) do { \
+ if ((SLAP_SOCK_EV(s) & (mode)) != (mode)) { \
+ SLAP_SOCK_EV(s) |= (mode); \
+ epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_MOD, (s), \
+ &SLAP_SOCK_EP(s)); \
+ } \
} while(0)
-#define SLAP_CLR_SOCK(s, mode) do { \
- if ((SLAP_SOCK_EV(s) & mode)) { \
- SLAP_SOCK_EV(s) &= ~mode; \
- epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_MOD, s, \
- &SLAP_SOCK_EP(s)); \
- } \
+# define SLAP_CLR_SOCK(s, mode) do { \
+ if ((SLAP_SOCK_EV(s) & (mode))) { \
+ SLAP_SOCK_EV(s) &= ~(mode); \
+ epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_MOD, s, \
+ &SLAP_SOCK_EP(s)); \
+ } \
} while(0)
-#define SLAP_SOCK_SET_READ(s) SLAP_SET_SOCK(s, EPOLLIN)
-#define SLAP_SOCK_SET_WRITE(s) SLAP_SET_SOCK(s, EPOLLOUT)
+# define SLAP_SOCK_SET_READ(s) SLAP_SET_SOCK(s, EPOLLIN)
+# define SLAP_SOCK_SET_WRITE(s) SLAP_SET_SOCK(s, EPOLLOUT)
-#define SLAP_SOCK_CLR_READ(s) SLAP_CLR_SOCK(s, EPOLLIN)
-#define SLAP_SOCK_CLR_WRITE(s) SLAP_CLR_SOCK(s, EPOLLOUT)
+# ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+# define SLAP_SOCK_SET_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_SOCK_IX(s)] = 1 )
+# define SLAP_SOCK_CLR_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_SOCK_IX(s)] = 0 )
+# define SLAP_SOCK_IS_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_SOCK_IX(s)] == 1 )
+# endif
-#define SLAP_CLR_EVENT(i, mode) (revents[i].events &= ~mode)
+# define SLAP_SOCK_CLR_READ(s) SLAP_CLR_SOCK((s), EPOLLIN)
+# define SLAP_SOCK_CLR_WRITE(s) SLAP_CLR_SOCK((s), EPOLLOUT)
+# define SLAP_CLR_EVENT(i, mode) (revents[(i)].events &= ~(mode))
-#define SLAP_EVENT_MAX slap_daemon.sd_nfds
+# define SLAP_EVENT_MAX slap_daemon.sd_nfds
/* If a Listener address is provided, store that as the epoll data.
* Otherwise, store the address of this socket's slot in the
* index array. If we can't do this add, the system is out of
* resources and we need to shutdown.
*/
-#define SLAP_ADD_SOCK(s, l) do { \
- int rc; \
- SLAP_SOCK_IX(s) = slap_daemon.sd_nfds; \
- SLAP_SOCK_EP(s).data.ptr = (l) ? (l) : (void *)(&SLAP_SOCK_IX(s)); \
- SLAP_SOCK_EV(s) = EPOLLIN; \
- rc = epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_ADD, s, \
- &SLAP_SOCK_EP(s)); \
- if ( rc == 0 ) slap_daemon.sd_nfds++; \
- else { \
- Debug( LDAP_DEBUG_ANY, "daemon: epoll_ctl ADD failed, errno %d, shutting down\n", \
- errno, 0, 0 ); \
- slapd_shutdown = 2; \
- } \
-} while(0)
-
-#define SLAP_EV_LISTENER(ptr) (((int *)(ptr) >= slap_daemon.sd_index && \
- (int *)(ptr) <= (slap_daemon.sd_index+dtblsize)) ? 0 : 1)
-
-#define SLAP_EV_PTRFD(ptr) (SLAP_EV_LISTENER(ptr) ? \
- ((Listener *)ptr)->sl_sd : (int *)(ptr) - slap_daemon.sd_index)
-
-#define SLAP_DEL_SOCK(s) do { \
- int fd, rc, index = SLAP_SOCK_IX(s); \
- rc = epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_DEL, s, \
- &SLAP_SOCK_EP(s)); \
- slap_daemon.sd_epolls[index] = slap_daemon.sd_epolls[slap_daemon.sd_nfds-1]; \
- fd = SLAP_EV_PTRFD(slap_daemon.sd_epolls[index].data.ptr); \
- slap_daemon.sd_index[fd] = index; \
- slap_daemon.sd_index[s] = -1; \
- slap_daemon.sd_nfds--; \
-} while(0)
-
-#define SLAP_EVENT_CLR_READ(i) SLAP_CLR_EVENT(i, EPOLLIN)
-#define SLAP_EVENT_CLR_WRITE(i) SLAP_CLR_EVENT(i, EPOLLOUT)
-
-#define SLAP_CHK_EVENT(i, mode) (revents[i].events & mode)
-
-#define SLAP_EVENT_IS_READ(i) SLAP_CHK_EVENT(i, EPOLLIN)
-#define SLAP_EVENT_IS_WRITE(i) SLAP_CHK_EVENT(i, EPOLLOUT)
-#define SLAP_EVENT_IS_LISTENER(i) SLAP_EV_LISTENER(revents[i].data.ptr)
-#define SLAP_EVENT_LISTENER(i) (revents[i].data.ptr)
-
-#define SLAP_EVENT_FD(i) SLAP_EV_PTRFD(revents[i].data.ptr)
-#define SLAP_SOCK_SET_MUTE(s) SLAP_SOCK_CLR_READ(s)
-#define SLAP_SOCK_CLR_MUTE(s) SLAP_SOCK_SET_READ(s)
-#define SLAP_SOCK_IS_MUTE(s) (!SLAP_SOCK_IS_READ(s))
-
-#define SLAP_SOCK_SET_INIT \
- slap_daemon.sd_epolls = ch_calloc(1, sizeof(struct epoll_event) * dtblsize * 2); \
- slap_daemon.sd_index = ch_malloc(sizeof(int) * dtblsize); \
- slap_daemon.sd_epfd = epoll_create( dtblsize ); \
- for (i=0; i<dtblsize; i++) slap_daemon.sd_index[i] = -1
-
-
-#define SLAP_EVENT_DECL \
- struct epoll_event *revents
-
-#define SLAP_EVENT_INIT \
- revents = slap_daemon.sd_epolls + dtblsize; \
-
-#define SLAP_EVENT_WAIT(tvp) \
- epoll_wait( slap_daemon.sd_epfd, revents, dtblsize, tvp ? tvp->tv_sec * 1000 : -1 )
+# define SLAP_ADD_SOCK(s, l) do { \
+ int rc; \
+ SLAP_SOCK_IX((s)) = slap_daemon.sd_nfds; \
+ SLAP_SOCK_EP((s)).data.ptr = (l) ? (l) : (void *)(&SLAP_SOCK_IX(s)); \
+ SLAP_SOCK_EV((s)) = EPOLLIN; \
+ rc = epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_ADD, \
+ (s), &SLAP_SOCK_EP((s))); \
+ if ( rc == 0 ) { \
+ slap_daemon.sd_nfds++; \
+ } else { \
+ Debug( LDAP_DEBUG_ANY, \
+ "daemon: epoll_ctl(ADD,fd=%d) failed, errno=%d, shutting down\n", \
+ s, errno, 0 ); \
+ slapd_shutdown = 2; \
+ } \
+} while (0)
+
+# define SLAP_EV_LISTENER(ptr) (((int *)(ptr) >= slap_daemon.sd_index && \
+ (int *)(ptr) <= (slap_daemon.sd_index+dtblsize)) ? 0 : 1 )
+
+# define SLAP_EV_PTRFD(ptr) (SLAP_EV_LISTENER(ptr) ? \
+ ((Listener *)ptr)->sl_sd : (int *)(ptr) - slap_daemon.sd_index)
+
+# define SLAP_DEL_SOCK(s) do { \
+ int fd, rc, index = SLAP_SOCK_IX((s)); \
+ if ( index < 0 ) break; \
+ rc = epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_DEL, \
+ (s), &SLAP_SOCK_EP((s))); \
+ slap_daemon.sd_epolls[index] = \
+ slap_daemon.sd_epolls[slap_daemon.sd_nfds-1]; \
+ fd = SLAP_EV_PTRFD(slap_daemon.sd_epolls[index].data.ptr); \
+ slap_daemon.sd_index[fd] = index; \
+ slap_daemon.sd_index[(s)] = -1; \
+ slap_daemon.sd_nfds--; \
+} while (0)
+
+# define SLAP_EVENT_CLR_READ(i) SLAP_CLR_EVENT((i), EPOLLIN)
+# define SLAP_EVENT_CLR_WRITE(i) SLAP_CLR_EVENT((i), EPOLLOUT)
+
+# define SLAP_CHK_EVENT(i, mode) (revents[(i)].events & mode)
+
+# define SLAP_EVENT_IS_READ(i) SLAP_CHK_EVENT((i), EPOLLIN)
+# define SLAP_EVENT_IS_WRITE(i) SLAP_CHK_EVENT((i), EPOLLOUT)
+# define SLAP_EVENT_IS_LISTENER(i) SLAP_EV_LISTENER(revents[(i)].data.ptr)
+# define SLAP_EVENT_LISTENER(i) (revents[(i)].data.ptr)
+
+# define SLAP_EVENT_FD(i) SLAP_EV_PTRFD(revents[(i)].data.ptr)
+
+# define SLAP_SOCK_SET_INIT do { \
+ slap_daemon.sd_epolls = ch_calloc(1, \
+ sizeof(struct epoll_event) * dtblsize * 2); \
+ slap_daemon.sd_index = ch_malloc(sizeof(int) * dtblsize); \
+ slap_daemon.sd_epfd = epoll_create( dtblsize ); \
+ for (i=0; i<dtblsize; i++) slap_daemon.sd_index[i] = -1; \
+} while (0)
+
+# define SLAP_EVENT_DECL struct epoll_event *revents
+
+# define SLAP_EVENT_INIT do { \
+ revents = slap_daemon.sd_epolls + dtblsize; \
+} while (0)
+
+# define SLAP_EVENT_WAIT(tvp) \
+ epoll_wait( slap_daemon.sd_epfd, revents, \
+ dtblsize, (tvp) ? (tvp)->tv_sec * 1000 : -1 )
#else
-
/* select */
-#define SLAP_EVENTS_ARE_INDEXED 1
-#define SLAP_EVENT_DECL \
+
+# define SLAP_EVENTS_ARE_INDEXED 1
+# define SLAP_EVENT_DECL \
fd_set readfds, writefds
-#define SLAP_EVENT_INIT \
+# define SLAP_EVENT_INIT do { \
AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) ); \
- if ( nwriters ) \
+ if ( nwriters ) { \
AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) ); \
- else \
- FD_ZERO( &writefds )
-
-#ifdef FD_SETSIZE
-#define CHK_SETSIZE \
- if (dtblsize > FD_SETSIZE) dtblsize = FD_SETSIZE
-#else
-#define CHK_SETSIZE
-#endif
-
-#define SLAP_SOCK_SET_INIT \
- CHK_SETSIZE; \
- FD_ZERO(&slap_daemon.sd_readers); \
- FD_ZERO(&slap_daemon.sd_writers)
-
-#define SLAP_SOCK_IS_ACTIVE(fd) FD_ISSET(fd, &slap_daemon.sd_actives)
-
-#define SLAP_SOCK_IS_READ(fd) FD_ISSET(fd, &slap_daemon.sd_readers)
-#define SLAP_SOCK_IS_WRITE(fd) FD_ISSET(fd, &slap_daemon.sd_writers)
-
-#define SLAP_SOCK_NOT_ACTIVE(fd) (!SLAP_SOCK_IS_ACTIVE(fd) && \
+ } else { \
+ FD_ZERO( &writefds ); \
+ } \
+} while (0)
+
+# ifdef FD_SETSIZE
+# define CHK_SETSIZE do { \
+ if (dtblsize > FD_SETSIZE) dtblsize = FD_SETSIZE; \
+} while (0)
+# else
+# define CHK_SETSIZE do { ; } while (0)
+# endif
+
+# define SLAP_SOCK_SET_INIT do { \
+ CHK_SETSIZE; \
+ FD_ZERO(&slap_daemon.sd_readers); \
+ FD_ZERO(&slap_daemon.sd_writers); \
+} while (0)
+
+# define SLAP_SOCK_IS_ACTIVE(fd) FD_ISSET((fd), &slap_daemon.sd_actives)
+# define SLAP_SOCK_IS_READ(fd) FD_ISSET((fd), &slap_daemon.sd_readers)
+# define SLAP_SOCK_IS_WRITE(fd) FD_ISSET((fd), &slap_daemon.sd_writers)
+
+# define SLAP_SOCK_NOT_ACTIVE(fd) (!SLAP_SOCK_IS_ACTIVE(fd) && \
!SLAP_SOCK_IS_READ(fd) && !SLAP_SOCK_IS_WRITE(fd))
-#ifdef HAVE_WINSOCK
-#define SLAP_SOCK_SET_READ(fd) do { \
- if (!SLAP_SOCK_IS_READ(fd)) {FD_SET(fd, &slap_daemon.sd_readers);} \
+# ifdef HAVE_WINSOCK
+# define SLAP_SOCK_SET_READ(fd) do { \
+ if (!SLAP_SOCK_IS_READ(fd)) { FD_SET((fd), &slap_daemon.sd_readers); } \
} while(0)
-#define SLAP_SOCK_SET_WRITE(fd) do { \
- if (!SLAP_SOCK_IS_WRITE(fd)) {FD_SET(fd, &slap_daemon.sd_writers);} \
+# define SLAP_SOCK_SET_WRITE(fd) do { \
+ if (!SLAP_SOCK_IS_WRITE(fd)) { FD_SET((fd), &slap_daemon.sd_writers); } \
} while(0)
-#define SLAP_ADDTEST(s)
-#define SLAP_EVENT_MAX dtblsize
-#else
-#define SLAP_SOCK_SET_READ(fd) FD_SET(fd, &slap_daemon.sd_readers)
-#define SLAP_SOCK_SET_WRITE(fd) FD_SET(fd, &slap_daemon.sd_writers)
-
-#define SLAP_EVENT_MAX slap_daemon.sd_nfds
-#define SLAP_ADDTEST(s) if (s >= slap_daemon.sd_nfds) slap_daemon.sd_nfds = s+1
-#endif
-
-#define SLAP_SOCK_CLR_READ(fd) FD_CLR(fd, &slap_daemon.sd_readers)
-#define SLAP_SOCK_CLR_WRITE(fd) FD_CLR(fd, &slap_daemon.sd_writers)
-
-#define SLAP_ADD_SOCK(s, l) do { \
- SLAP_ADDTEST(s); \
- FD_SET(s, &slap_daemon.sd_actives); \
- FD_SET(s, &slap_daemon.sd_readers); \
+# define SLAP_ADDTEST(s) do { } while 0
+# define SLAP_EVENT_MAX dtblsize
+# else
+# define SLAP_SOCK_SET_READ(fd) FD_SET((fd), &slap_daemon.sd_readers)
+# define SLAP_SOCK_SET_WRITE(fd) FD_SET((fd), &slap_daemon.sd_writers)
+
+# define SLAP_EVENT_MAX slap_daemon.sd_nfds
+# define SLAP_ADDTEST(s) do { \
+ if ((s) >= slap_daemon.sd_nfds) slap_daemon.sd_nfds = (s)+1; \
+} while (0)
+# endif
+
+# define SLAP_SOCK_CLR_READ(fd) FD_CLR((fd), &slap_daemon.sd_readers)
+# define SLAP_SOCK_CLR_WRITE(fd) FD_CLR((fd), &slap_daemon.sd_writers)
+
+# define SLAP_ADD_SOCK(s, l) do { \
+ SLAP_ADDTEST((s)); \
+ FD_SET((s), &slap_daemon.sd_actives); \
+ FD_SET((s), &slap_daemon.sd_readers); \
} while(0)
-#define SLAP_DEL_SOCK(s) do { \
- FD_CLR(s, &slap_daemon.sd_actives); \
- FD_CLR(s, &slap_daemon.sd_readers); \
- FD_CLR(s, &slap_daemon.sd_writers); \
+# define SLAP_DEL_SOCK(s) do { \
+ FD_CLR((s), &slap_daemon.sd_actives); \
+ FD_CLR((s), &slap_daemon.sd_readers); \
+ FD_CLR((s), &slap_daemon.sd_writers); \
} while(0)
-#define SLAP_EVENT_IS_READ(fd) FD_ISSET(fd, &readfds)
-#define SLAP_EVENT_IS_WRITE(fd) FD_ISSET(fd, &writefds)
+# define SLAP_EVENT_IS_READ(fd) FD_ISSET((fd), &readfds)
+# define SLAP_EVENT_IS_WRITE(fd) FD_ISSET((fd), &writefds)
-#define SLAP_EVENT_CLR_READ(fd) FD_CLR(fd, &readfds)
-#define SLAP_EVENT_CLR_WRITE(fd) FD_CLR(fd, &writefds)
-
-#define SLAP_EVENT_WAIT(tvp) \
- select( SLAP_EVENT_MAX, &readfds, \
- nwriters > 0 ? &writefds : NULL, NULL, tvp )
-
-#define SLAP_SOCK_SET_MUTE(s) FD_CLR(s, &readfds)
-#define SLAP_SOCK_CLR_MUTE(s) FD_SET(s, &readfds)
-#define SLAP_SOCK_IS_MUTE(s) (!FD_ISSET(s, &readfds))
+# define SLAP_EVENT_CLR_READ(fd) FD_CLR((fd), &readfds)
+# define SLAP_EVENT_CLR_WRITE(fd) FD_CLR((fd), &writefds)
+# define SLAP_EVENT_WAIT(tvp) \
+ select( SLAP_EVENT_MAX, &readfds, \
+ nwriters > 0 ? &writefds : NULL, NULL, (tvp) )
#endif
-
#ifdef HAVE_SLP
/*
* SLP related functions
assert( SLAP_SOCK_NOT_ACTIVE(s) );
- if ( isactive ) {
- slap_daemon.sd_nactives++;
- }
+ if ( isactive ) slap_daemon.sd_nactives++;
SLAP_ADD_SOCK(s, sl);
Debug( LDAP_DEBUG_CONNS, "daemon: added %ldr\n",
(long) s, 0, 0 );
+
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ WAKE_LISTENER(1);
+#endif
}
/*
* Remove the descriptor from daemon control
*/
-void slapd_remove(ber_socket_t s, int wasactive, int wake) {
+void slapd_remove(
+ ber_socket_t s,
+ int wasactive,
+ int wake )
+{
int waswriter;
+ int wasreader;
+
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- if ( wasactive ) {
- slap_daemon.sd_nactives--;
- }
+ if ( wasactive ) slap_daemon.sd_nactives--;
+
waswriter = SLAP_SOCK_IS_WRITE(s);
+ wasreader = SLAP_SOCK_IS_READ(s);
Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
- (long) s, SLAP_SOCK_IS_READ(s) ? "r" : "",
+ (long) s,
+ wasreader ? "r" : "",
waswriter ? "w" : "" );
+
if ( waswriter ) slap_daemon.sd_nwriters--;
SLAP_DEL_SOCK(s);
if ( emfile ) {
int i;
for ( i = 0; slap_listeners[i] != NULL; i++ ) {
- if ( slap_listeners[i]->sl_sd != AC_SOCKET_INVALID ) {
- if ( slap_listeners[i]->sl_sd == s ) continue;
- if ( slap_listeners[i]->sl_is_mute ) {
- slap_listeners[i]->sl_is_mute = 0;
- emfile--;
- break;
- }
+ Listener *lr = slap_listeners[i];
+
+ if ( lr->sl_sd == AC_SOCKET_INVALID ) continue;
+ if ( lr->sl_sd == s ) continue;
+ if ( lr->sl_mute ) {
+ lr->sl_mute = 0;
+ emfile--;
+ break;
}
}
/* Walked the entire list without enabling anything; emfile
* counter is stale. Reset it.
*/
- if ( slap_listeners[i] == NULL )
- emfile = 0;
+ if ( slap_listeners[i] == NULL ) emfile = 0;
}
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
assert( SLAP_SOCK_IS_ACTIVE( s ));
+
if ( SLAP_SOCK_IS_WRITE( s )) {
SLAP_SOCK_CLR_WRITE( s );
slap_daemon.sd_nwriters--;
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
assert( SLAP_SOCK_IS_ACTIVE( s ));
+
if ( !SLAP_SOCK_IS_WRITE( s )) {
SLAP_SOCK_SET_WRITE( s );
slap_daemon.sd_nwriters++;
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
assert( SLAP_SOCK_IS_ACTIVE( s ));
- if (!SLAP_SOCK_IS_READ( s ))
- SLAP_SOCK_SET_READ( s );
+ if (!SLAP_SOCK_IS_READ( s )) SLAP_SOCK_SET_READ( s );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
WAKE_LISTENER(wake);
tcp_close(s);
}
-static void slap_free_listener_addresses(struct sockaddr **sal)
-{
+static void slap_free_listener_addresses(struct sockaddr **sal) {
struct sockaddr **sap;
-
- if (sal == NULL) {
- return;
- }
-
- for (sap = sal; *sap != NULL; sap++) {
- ch_free(*sap);
- }
-
+ if (sal == NULL) return;
+ for (sap = sal; *sap != NULL; sap++) ch_free(*sap);
ch_free(sal);
}
type++;
}
- if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) {
- char *value = type
- + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
- mode_t p = 0;
- int j;
+ if ( strncasecmp( type, LDAPI_MOD_URLEXT "=",
+ sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 )
+ {
+ char *value = type + ( sizeof(LDAPI_MOD_URLEXT "=") - 1 );
+ mode_t p = 0;
+ int j;
switch (strlen(value)) {
case 4:
/* skip leading '0' */
- if ( value[ 0 ] != '0' ) {
- return LDAP_OTHER;
- }
+ if ( value[ 0 ] != '0' ) return LDAP_OTHER;
value++;
case 3:
v = value[ j ] - '0';
- if ( v < 0 || v > 7 ) {
- return LDAP_OTHER;
- }
+ if ( v < 0 || v > 7 ) return LDAP_OTHER;
p |= v << 3*(2-j);
}
#ifdef LDAP_PF_LOCAL
if ( port == 0 ) {
*sal = ch_malloc(2 * sizeof(void *));
- if (*sal == NULL) {
- return -1;
- }
+ if (*sal == NULL) return -1;
sap = *sal;
*sap = ch_malloc(sizeof(struct sockaddr_un));
- if (*sap == NULL)
- goto errexit;
+ if (*sap == NULL) goto errexit;
sap[1] = NULL;
if ( strlen(host) >
- (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) {
+ (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) )
+ {
Debug( LDAP_DEBUG_ANY,
- "daemon: domain socket path (%s) too long in URL",
- host, 0, 0);
+ "daemon: domain socket path (%s) too long in URL",
+ host, 0, 0);
goto errexit;
}
snprintf(serv, sizeof serv, "%d", port);
if ( (err = getaddrinfo(host, serv, &hints, &res)) ) {
- Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
+ Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo() failed: %s\n",
AC_GAI_STRERROR(err), 0, 0);
return -1;
}
/* EMPTY */ ;
}
*sal = ch_calloc(n, sizeof(void *));
- if (*sal == NULL) {
- return -1;
- }
+ if (*sal == NULL) return -1;
sap = *sal;
*sap = NULL;
}
freeaddrinfo(res);
+
#else
int i, n = 1;
struct in_addr in;
he = gethostbyname( host );
if( he == NULL ) {
Debug( LDAP_DEBUG_ANY,
- "daemon: invalid host %s", host, 0, 0);
+ "daemon: invalid host %s", host, 0, 0);
return -1;
}
- for (n = 0; he->h_addr_list[n]; n++) ;
+ for (n = 0; he->h_addr_list[n]; n++) /* empty */;
}
*sal = ch_malloc((n+1) * sizeof(void *));
- if (*sal == NULL) {
- return -1;
- }
+ if (*sal == NULL) return -1;
sap = *sal;
for ( i = 0; i<n; i++ ) {
sap[i] = ch_malloc(sizeof(struct sockaddr_in));
- if (*sap == NULL) {
- goto errexit;
- }
+ if (*sap == NULL) goto errexit;
+
(void)memset( (void *)sap[i], '\0', sizeof(struct sockaddr_in) );
sap[i]->sa_family = AF_INET;
((struct sockaddr_in *)sap[i])->sin_port = htons(port);
- if (he) {
- AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) );
- } else {
- AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) );
- }
+ AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr,
+ he ? he->h_addr_list[i] : &in, sizeof(struct in_addr) );
}
sap[i] = NULL;
#endif
}
l.sl_url.bv_val = NULL;
- l.sl_is_mute = 0;
+ l.sl_mute = 0;
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ l.sl_busy = 0;
+#endif
#ifndef HAVE_TLS
if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
- Debug( LDAP_DEBUG_ANY,
- "daemon: TLS not supported (%s)\n",
+ Debug( LDAP_DEBUG_ANY, "daemon: TLS not supported (%s)\n",
url, 0, 0 );
ldap_free_urldesc( lud );
return -1;
}
- if(! lud->lud_port ) {
- lud->lud_port = LDAP_PORT;
- }
+ if(! lud->lud_port ) lud->lud_port = LDAP_PORT;
#else
l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
err = slap_get_listener_addresses(lud->lud_host, port, &sal);
}
}
+
#ifdef LDAP_CONNECTIONLESS
l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
#endif
#endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
ldap_free_urldesc( lud );
- if ( err ) {
- return -1;
- }
+ if ( err ) return -1;
/* If we got more than one address returned, we need to make space
* for it in the slap_listeners array.
*/
- for ( num=0; sal[num]; num++ );
+ for ( num=0; sal[num]; num++ ) /* empty */;
if ( num > 1 ) {
*listeners += num-1;
- slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) );
+ slap_listeners = ch_realloc( slap_listeners,
+ (*listeners + 1) * sizeof(Listener *) );
}
psal = sal;
sal++;
continue;
}
+
#ifdef LDAP_CONNECTIONLESS
if( l.sl_is_udp ) socktype = SOCK_DGRAM;
#endif
+
l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
if ( l.sl_sd == AC_SOCKET_INVALID ) {
int err = sock_errno();
sal++;
continue;
}
+
#ifndef HAVE_WINSOCK
if ( l.sl_sd >= dtblsize ) {
Debug( LDAP_DEBUG_ANY,
continue;
}
#endif
+
#ifdef LDAP_PF_LOCAL
if ( (*sal)->sa_family == AF_LOCAL ) {
- unlink ( ((struct sockaddr_un *)*sal)->sun_path );
+ unlink( ((struct sockaddr_un *)*sal)->sun_path );
} else
#endif
{
(char *) &tmp, sizeof(tmp) );
if ( rc == AC_SOCKET_ERROR ) {
int err = sock_errno();
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
- (long) l.sl_sd, err, sock_errstr(err) );
+ Debug( LDAP_DEBUG_ANY, "slapd(%ld): "
+ "setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
}
#endif
}
/* Try to use IPv6 sockets for IPv6 only */
tmp = 1;
rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
- (char *) &tmp, sizeof(tmp) );
+ (char *) &tmp, sizeof(tmp) );
if ( rc == AC_SOCKET_ERROR ) {
int err = sock_errno();
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
- (long) l.sl_sd, err, sock_errstr(err) );
+ Debug( LDAP_DEBUG_ANY, "slapd(%ld): "
+ "setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
}
#endif
addrlen = sizeof(struct sockaddr_in6);
break;
#endif
+
#ifdef LDAP_PF_LOCAL
case AF_LOCAL:
#ifdef LOCAL_CREDS
if (bind(l.sl_sd, *sal, addrlen)) {
err = sock_errno();
- Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
- (long) l.sl_sd, err, sock_errstr(err) );
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: bind(%ld) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
tcp_close( l.sl_sd );
sal++;
continue;
}
- switch ( (*sal)->sa_family ) {
+ switch ( (*sal)->sa_family ) {
#ifdef LDAP_PF_LOCAL
- case AF_LOCAL: {
- char *addr = ((struct sockaddr_un *)*sal)->sun_path;
- l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
- l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
- snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
+ case AF_LOCAL: {
+ char *addr = ((struct sockaddr_un *)*sal)->sun_path;
+ l.sl_name.bv_len = strlen(addr) + sizeof("PATH=") - 1;
+ l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len + 1 );
+ snprintf( l.sl_name.bv_val, l.sl_name.bv_len + 1,
"PATH=%s", addr );
- } break;
+ } break;
#endif /* LDAP_PF_LOCAL */
- case AF_INET: {
- char *s;
+ case AF_INET: {
+ char *s;
#if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
- char addr[INET_ADDRSTRLEN];
- inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
- addr, sizeof(addr) );
- s = addr;
+ char addr[INET_ADDRSTRLEN];
+ inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
+ addr, sizeof(addr) );
+ s = addr;
#else
- s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
+ s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
#endif
- port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
- l.sl_name.bv_val = ber_memalloc( sizeof("IP=255.255.255.255:65535") );
- snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
- "IP=%s:%d",
- s != NULL ? s : SLAP_STRING_UNKNOWN, port );
- l.sl_name.bv_len = strlen( l.sl_name.bv_val );
- } break;
+ port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
+ l.sl_name.bv_val =
+ ber_memalloc( sizeof("IP=255.255.255.255:65535") );
+ snprintf( l.sl_name.bv_val, sizeof("IP=255.255.255.255:65535"),
+ "IP=%s:%d",
+ s != NULL ? s : SLAP_STRING_UNKNOWN, port );
+ l.sl_name.bv_len = strlen( l.sl_name.bv_val );
+ } break;
#ifdef LDAP_PF_INET6
- case AF_INET6: {
- char addr[INET6_ADDRSTRLEN];
- inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
- addr, sizeof addr);
- port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
- l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
- l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
- snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
+ case AF_INET6: {
+ char addr[INET6_ADDRSTRLEN];
+ inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
+ addr, sizeof addr);
+ port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port );
+ l.sl_name.bv_len = strlen(addr) + sizeof("IP= 65535");
+ l.sl_name.bv_val = ber_memalloc( l.sl_name.bv_len );
+ snprintf( l.sl_name.bv_val, l.sl_name.bv_len, "IP=%s %d",
addr, port );
- l.sl_name.bv_len = strlen( l.sl_name.bv_val );
- } break;
+ l.sl_name.bv_len = strlen( l.sl_name.bv_val );
+ } break;
#endif /* LDAP_PF_INET6 */
- default:
- Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
- (int) (*sal)->sa_family, 0, 0 );
- break;
- }
-
- AC_MEMCPY(&l.sl_sa, *sal, addrlen);
- ber_str2bv( url, 0, 1, &l.sl_url);
- li = ch_malloc( sizeof( Listener ) );
- *li = l;
- slap_listeners[*cur] = li;
- (*cur)++;
- sal++;
+ default:
+ Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
+ (int) (*sal)->sa_family, 0, 0 );
+ break;
+ }
- } /* while ( *sal != NULL ) */
+ AC_MEMCPY(&l.sl_sa, *sal, addrlen);
+ ber_str2bv( url, 0, 1, &l.sl_url);
+ li = ch_malloc( sizeof( Listener ) );
+ *li = l;
+ slap_listeners[*cur] = li;
+ (*cur)++;
+ sal++;
+ }
slap_free_listener_addresses(psal);
- if ( l.sl_url.bv_val == NULL )
- {
+ if ( l.sl_url.bv_val == NULL ) {
Debug( LDAP_DEBUG_TRACE,
"slap_open_listener: failed on %s\n", url, 0, 0 );
return -1;
}
- Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
+#ifdef LDAP_CONNECTIONLESS
+ if( l.sl_is_udp ) {
+ long id = connection_init( l.sl_sd, &l, "", "", CONN_IS_UDP,
+ (slap_ssf_t) 0, NULL );
+
+ if( id < 0 ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_open_listener: connectionless init failed on %s (%d)\n",
+ url, l.sl_sd, 0 );
+ return -1;
+ }
+ l.sl_is_udp++;
+ }
+#endif
+
+ Debug( LDAP_DEBUG_TRACE, "daemon: listener initialized %s\n",
l.sl_url.bv_val, 0, 0 );
return 0;
}
Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
urls ? urls : "<null>", 0, 0 );
- if( (rc = sockinit()) != 0 ) {
- return rc;
- }
+ if( (rc = sockinit()) != 0 ) return rc;
#ifdef HAVE_SYSCONF
dtblsize = sysconf( _SC_OPEN_MAX );
SLAP_SOCK_SET_INIT;
- if( urls == NULL ) {
- urls = "ldap:///";
- }
+ if( urls == NULL ) urls = "ldap:///";
u = ldap_str2charray( urls, " " );
Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
i, 0, 0 );
+
#ifdef HAVE_SLP
if( slapd_register_slp ) {
slapd_slp_init( urls );
ldap_charray_free( u );
ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
+
return !i;
}
static void
close_listeners(
- int remove
-)
+ int remove )
{
int l;
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
- if ( remove )
- slapd_remove( slap_listeners[l]->sl_sd, 0, 0 );
+ Listener *lr = slap_listeners[l];
+
+ if ( lr->sl_sd != AC_SOCKET_INVALID ) {
+ if ( remove ) slapd_remove( lr->sl_sd, 0, 0 );
+
#ifdef LDAP_PF_LOCAL
- if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
- unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
+ if ( lr->sl_sa.sa_addr.sa_family == AF_LOCAL ) {
+ unlink( lr->sl_sa.sa_un_addr.sun_path );
}
#endif /* LDAP_PF_LOCAL */
- slapd_close( slap_listeners[l]->sl_sd );
+
+ slapd_close( lr->sl_sd );
+ }
+
+ if ( lr->sl_url.bv_val ) {
+ ber_memfree( lr->sl_url.bv_val );
+ }
+
+ if ( lr->sl_name.bv_val ) {
+ ber_memfree( lr->sl_name.bv_val );
}
- if ( slap_listeners[l]->sl_url.bv_val )
- ber_memfree( slap_listeners[l]->sl_url.bv_val );
- if ( slap_listeners[l]->sl_name.bv_val )
- ber_memfree( slap_listeners[l]->sl_name.bv_val );
- free ( slap_listeners[l] );
+
+ free( lr );
slap_listeners[l] = NULL;
}
}
static int
-slapd_handle_listener(
- Listener *sl
-)
+slap_listener(
+ Listener *sl )
{
Sockaddr from;
peername[0] = '\0';
#ifdef LDAP_CONNECTIONLESS
- if ( sl->sl_is_udp ) {
- /* The first time we receive a query, we set this
- * up as a "connection". It remains open for the life
- * of the slapd.
- */
- if ( sl->sl_is_udp < 2 ) {
- id = connection_init( sl->sl_sd, sl, "", "",
- CONN_IS_UDP, ssf, NULL );
- sl->sl_is_udp++;
- }
- return 1;
- }
+ if ( sl->sl_is_udp ) return 1;
#endif
# ifdef LDAP_PF_LOCAL
# endif /* LDAP_PF_LOCAL */
s = accept( sl->sl_sd, (struct sockaddr *) &from, &len );
+
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ /* Resume the listener FD to allow concurrent-processing of
+ * additional incoming connections.
+ */
+ sl->sl_busy = 0;
+ WAKE_LISTENER(1);
+#endif
+
if ( s == AC_SOCKET_INVALID ) {
int err = sock_errno();
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
emfile++;
/* Stop listening until an existing session closes */
- sl->sl_is_mute = 1;
+ sl->sl_mute = 1;
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
}
Debug( LDAP_DEBUG_ANY,
"daemon: accept(%ld) failed errno=%d (%s)\n",
- (long) sl->sl_sd, err,
- sock_errstr(err) );
+ (long) sl->sl_sd, err, sock_errstr(err) );
ldap_pvt_thread_yield();
return 0;
}
#ifdef LDAP_DEBUG
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
-
/* newly accepted stream should not be in any of the FD SETS */
assert( SLAP_SOCK_NOT_ACTIVE( s ));
-
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
#endif
}
#endif
- Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
- (long) s, 0, 0 );
+ Debug( LDAP_DEBUG_CONNS,
+ "daemon: listen=%ld, new connection on %ld\n",
+ (long) sl->sl_sd, (long) s, 0 );
+
switch ( from.sa_addr.sa_family ) {
# ifdef LDAP_PF_LOCAL
case AF_LOCAL:
#ifdef LDAP_PF_INET6
|| ( from.sa_addr.sa_family == AF_INET6 )
#endif
- ) {
+ )
+ {
+ dnsname = NULL;
#ifdef SLAPD_RLOOKUPS
if ( use_reverse_lookup ) {
char *herr;
dnsname = hbuf;
}
}
-#else
- dnsname = NULL;
#endif /* SLAPD_RLOOKUPS */
#ifdef HAVE_TCPD
if ( !hosts_ctl("slapd",
- dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
- peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
- SLAP_STRING_UNKNOWN ))
+ dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
+ peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
+ SLAP_STRING_UNKNOWN ))
{
/* DENY ACCESS */
Statslog( LDAP_DEBUG_STATS,
return 0;
}
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+static void*
+slap_listener_thread(
+ void* ctx,
+ void* ptr )
+{
+ int rc;
+
+ rc = slap_listener( (Listener*)ptr );
+
+ if( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "listener_thread: failed %d", rc, 0, 0 );
+ }
+
+ return (void*)NULL;
+}
+
+static int
+slap_listener_activate(
+ Listener* sl )
+{
+ int rc;
+
+ Debug( LDAP_DEBUG_TRACE, "slap_listener_activate(%d): %s\n",
+ sl->sl_sd, sl->sl_busy ? "busy" : "", 0 );
+
+ sl->sl_busy++;
+
+ rc = ldap_pvt_thread_pool_submit( &connection_pool,
+ slap_listener_thread, (void *) sl );
+
+ if( rc != 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "listener_activate(%d): submit failed (%d)\n",
+ sl->sl_sd, rc, 0 );
+ }
+ return rc;
+}
+#endif
+
static void *
slapd_daemon_task(
- void *ptr
-)
+ void *ptr )
{
int l;
- time_t last_idle_check = 0;
+ time_t last_idle_check = 0;
struct timeval idle;
int ebadf = 0;
* Don't just truncate, preserve the fractions of
* seconds to prevent sleeping for zero time.
*/
- idle.tv_sec = global_idletimeout/SLAPD_IDLE_CHECK_LIMIT;
- idle.tv_usec = global_idletimeout - idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT;
+ idle.tv_sec = global_idletimeout / SLAPD_IDLE_CHECK_LIMIT;
+ idle.tv_usec = global_idletimeout - \
+ ( idle.tv_sec * SLAPD_IDLE_CHECK_LIMIT );
idle.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
} else {
idle.tv_sec = 0;
slapd_add( wake_sds[0], 0, NULL );
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
- continue;
+ if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ) continue;
+
#ifdef LDAP_CONNECTIONLESS
/* Since this is connectionless, the data port is the
* listening port. The listen() and accept() calls
for ( i = 0 ; i < l; i++ ) {
sa6 = slap_listeners[i]->sl_sa.sa_in6_addr;
if ( sa6.sin6_family == AF_INET6 &&
- !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) )
+ !memcmp( &sa6.sin6_addr, &in6addr_any,
+ sizeof(struct in6_addr) ) )
+ {
break;
+ }
}
if ( i < l ) {
/* We are already listening to in6addr_any */
Debug( LDAP_DEBUG_CONNS,
- "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n",
- 0, 0, 0 );
+ "daemon: Attempt to listen to 0.0.0.0 failed, "
+ "already listening on ::, assuming IPv4 included\n",
+ 0, 0, 0 );
slapd_close( slap_listeners[l]->sl_sd );
slap_listeners[l]->sl_sd = AC_SOCKET_INVALID;
continue;
"daemon: listen(%s, 5) failed errno=%d (%s)\n",
slap_listeners[l]->sl_url.bv_val, err,
sock_errstr(err) );
- return( (void*)-1 );
+ return (void*)-1;
}
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ /* make the listening socket non-blocking */
+ if ( ber_pvt_socket_set_nonblock( slap_listeners[l]->sl_sd, 1 ) < 0 ) {
+ Debug( LDAP_DEBUG_ANY, "slapd_daemon_task: "
+ "set nonblocking on a listening socket failed\n",
+ 0, 0, 0 );
+ slapd_shutdown = 2;
+ return (void*)-1;
+ }
+#endif
+
slapd_add( slap_listeners[l]->sl_sd, 0, slap_listeners[l] );
}
#ifdef HAVE_NT_SERVICE_MANAGER
- if ( started_event != NULL ) {
+ if ( started_event != NULL ) }
ldap_pvt_thread_cond_signal( &started_event );
}
#endif
+
+#ifdef SLAP_SEM_LOAD_CONTROL
+ /*
+ * initialize count and lazyness of a semaphore
+ */
+ (void) ldap_lazy_sem_init(
+ SLAP_MAX_WORKER_THREADS + 4 /* max workers + margin */,
+ 4 /* lazyness */ );
+#endif
+
/* initialization complete. Here comes the loop. */
while ( !slapd_shutdown ) {
SLAP_EVENT_INIT;
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
- continue;
- if ( slap_listeners[l]->sl_is_mute )
- SLAP_SOCK_SET_MUTE( slap_listeners[l]->sl_sd );
- else
- if ( SLAP_SOCK_IS_MUTE( slap_listeners[l]->sl_sd ))
- SLAP_SOCK_CLR_MUTE( slap_listeners[l]->sl_sd );
+ Listener *lr = slap_listeners[l];
+
+ if ( lr->sl_sd == AC_SOCKET_INVALID ) continue;
+
+ if ( lr->sl_mute || lr->sl_busy ) {
+ SLAP_SOCK_CLR_READ( lr->sl_sd );
+ } else {
+ SLAP_SOCK_SET_READ( lr->sl_sd );
+ }
}
nfds = SLAP_EVENT_MAX;
- if ( global_idletimeout && slap_daemon.sd_nactives )
- at = 1;
+ if ( global_idletimeout && slap_daemon.sd_nactives ) at = 1;
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
&& ( tv.tv_sec || tv.tv_usec )
#endif
)
+ {
tvp = &tv;
- else
+ } else {
tvp = NULL;
+ }
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
rtask = ldap_pvt_runqueue_next_sched( &slapd_rq, &cat );
if ( cat && cat->tv_sec ) {
time_t diff = difftime( cat->tv_sec, now );
- if ( diff == 0 )
- diff = tdelta;
+ if ( diff == 0 ) diff = tdelta;
if ( tvp == NULL || diff < tv.tv_sec ) {
tv.tv_sec = diff;
tv.tv_usec = 0;
}
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
- if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ||
- slap_listeners[l]->sl_is_mute )
+ Listener *lr = slap_listeners[l];
+
+ if ( lr->sl_sd == AC_SOCKET_INVALID ) {
continue;
+ }
+
+ if ( lr->sl_mute ) {
+ Debug( LDAP_DEBUG_CONNS,
+ "daemon: select: listen=%d muted\n",
+ lr->sl_sd, 0, 0 );
+ continue;
+ }
+
+ if ( lr->sl_busy ) {
+ Debug( LDAP_DEBUG_CONNS,
+ "daemon: select: listen=%d busy\n",
+ lr->sl_sd, 0, 0 );
+ continue;
+ }
Debug( LDAP_DEBUG_CONNS,
"daemon: select: listen=%d active_threads=%d tvp=%s\n",
- slap_listeners[l]->sl_sd, at,
- tvp == NULL ? "NULL" : "zero" );
+ lr->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
}
- switch(ns = SLAP_EVENT_WAIT(tvp))
- {
+ switch(ns = SLAP_EVENT_WAIT(tvp)) {
case -1: { /* failure - try again */
int err = sock_errno();
if( slapd_shutdown ) continue;
ebadf = 0;
- Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
- ns, 0, 0 );
+ Debug( LDAP_DEBUG_CONNS,
+ "daemon: activity on %d descriptor%s\n",
+ ns, ns != 1 ? "s" : "", 0 );
/* FALL THRU */
}
#if SLAP_EVENTS_ARE_INDEXED
if ( SLAP_EVENT_IS_READ( wake_sds[0] )) {
- char c[BUFSIZ];
- tcp_read( wake_sds[0], c, sizeof(c) );
- waking = 0;
- ns--;
SLAP_EVENT_CLR_READ( wake_sds[0] );
+ ns--;
+ {
+ char c[BUFSIZ];
+ tcp_read( wake_sds[0], c, sizeof(c) );
+ }
+ Debug( LDAP_DEBUG_CONNS, "daemon: waked\n", 0, 0, 0 );
+ waking = 0;
continue;
}
int rc;
if ( ns <= 0 ) break;
-
- if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
- continue;
-
- if ( !SLAP_EVENT_IS_READ( slap_listeners[l]->sl_sd ))
- continue;
-
- rc = slapd_handle_listener(slap_listeners[l]);
-
+ if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ) continue;
#ifdef LDAP_CONNECTIONLESS
- /* This is a UDP session, let the data loop process it */
- if ( rc ) continue;
+ if ( slap_listeners[l]->sl_is_udp ) continue;
#endif
-
- ns--;
-
- /* Don't need to look at this in the data loops */
+ if ( !SLAP_EVENT_IS_READ( slap_listeners[l]->sl_sd )) continue;
+
+ /* clear events */
SLAP_EVENT_CLR_READ( slap_listeners[l]->sl_sd );
SLAP_EVENT_CLR_WRITE( slap_listeners[l]->sl_sd );
+ ns--;
+
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ rc = slap_listener_activate(slap_listeners[l]);
+#else
+ rc = slap_listener(slap_listeners[l]);
+#endif
}
/* bypass the following tests if no descriptors left */
/* loop through the writers */
- for ( i = 0; nwfds > 0; i++ )
- {
+ for ( i = 0; nwfds > 0; i++ ) {
ber_socket_t wd;
#ifdef HAVE_WINSOCK
wd = writefds.fd_array[i];
#else
- if( ! SLAP_EVENT_IS_WRITE( i ) ) {
- continue;
- }
+ if( ! SLAP_EVENT_IS_WRITE( i ) ) continue;
wd = i;
#endif
+
+ SLAP_EVENT_CLR_WRITE( wd );
nwfds--;
Debug( LDAP_DEBUG_CONNS,
"daemon: write active on %d\n",
wd, 0, 0 );
+
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ connection_write_activate( wd );
+#else
/*
* NOTE: it is possible that the connection was closed
* and that the stream is now inactive.
- * connection_write() must valid the stream is still
+ * connection_write() must validitate the stream is still
* active.
*/
-
if ( connection_write( wd ) < 0 ) {
if ( SLAP_EVENT_IS_READ( wd )) {
SLAP_EVENT_CLR_READ( (unsigned) wd );
}
slapd_close( wd );
}
- SLAP_EVENT_CLR_WRITE( wd );
+#endif
}
- for ( i = 0; nrfds > 0; i++ )
- {
+ for ( i = 0; nrfds > 0; i++ ) {
ber_socket_t rd;
#ifdef HAVE_WINSOCK
rd = readfds.fd_array[i];
#else
- if( ! SLAP_EVENT_IS_READ( i ) ) {
- continue;
- }
+ if( ! SLAP_EVENT_IS_READ( i ) ) continue;
rd = i;
#endif
+ SLAP_EVENT_CLR_READ( rd );
nrfds--;
Debug ( LDAP_DEBUG_CONNS,
* active.
*/
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ connection_read_activate( rd );
+#else
if ( connection_read( rd ) < 0 ) {
slapd_close( rd );
}
+#endif
}
#else /* !SLAP_EVENTS_ARE_INDEXED */
/* FIXME */
for (i=0; i<ns; i++) {
int r, w;
+ /* Don't log listener events */
if ( SLAP_EVENT_IS_LISTENER(i)
#ifdef LDAP_CONNECTIONLESS
- && !((SLAP_EVENT_LISTENER(i))->sl_is_udp)
+ && !((SLAP_EVENT_LISTENER(i))->sl_is_udp)
#endif
- ) continue;
+ )
+ {
+ continue;
+ }
/* Don't log internal wake events */
- if ( SLAP_EVENT_FD( i ) == wake_sds[0] )
- continue;
+ if ( SLAP_EVENT_FD( i ) == wake_sds[0] ) continue;
r = SLAP_EVENT_IS_READ( i );
w = SLAP_EVENT_IS_WRITE( i );
}
}
#endif
+
for (i=0; i<ns; i++) {
int rc = 1, fd;
if ( SLAP_EVENT_IS_LISTENER(i) ) {
- rc = slapd_handle_listener( SLAP_EVENT_LISTENER( i ));
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ rc = slap_listener_activate( SLAP_EVENT_LISTENER( i ));
+#else
+ rc = slap_listener( SLAP_EVENT_LISTENER( i ));
+#endif
}
+
/* If we found a regular listener, rc is now zero, and we
* can skip the data portion. But if it was a UDP listener
* then rc is still 1, and we want to handle the data.
fd = SLAP_EVENT_FD( i );
/* Ignore wake events, they were handled above */
- if ( fd == wake_sds[0] )
- continue;
+ if ( fd == wake_sds[0] ) continue;
if( SLAP_EVENT_IS_WRITE( i ) ) {
Debug( LDAP_DEBUG_CONNS,
"daemon: write active on %d\n",
fd, 0, 0 );
+
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ connection_write_activate( fd );
+#else
/*
* NOTE: it is possible that the connection was closed
* and that the stream is now inactive.
* connection_write() must valid the stream is still
* active.
*/
-
if ( connection_write( fd ) < 0 ) {
slapd_close( fd );
continue;
}
+#endif
}
if( SLAP_EVENT_IS_READ( i ) ) {
Debug( LDAP_DEBUG_CONNS,
"daemon: read active on %d\n",
fd, 0, 0 );
+
+#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
+ connection_read_activate( fd );
+#else
/*
* NOTE: it is possible that the connection was closed
* and that the stream is now inactive.
* connection_read() must valid the stream is still
* active.
*/
-
- if ( connection_read( fd ) < 0 ) {
- slapd_close( fd );
- }
+ if ( connection_read( fd ) < 0 ) slapd_close( fd );
+#endif
}
}
}
0, 0, 0 );
}
- if( slapd_gentle_shutdown != 2 ) {
- close_listeners ( 0 );
- }
+ if( slapd_gentle_shutdown != 2 ) close_listeners ( 0 );
if( !slapd_gentle_shutdown ) {
slapd_abrupt_shutdown = 1;
/* The WinSock DLL is acceptable. Proceed. */
#elif defined( HAVE_WINSOCK )
WSADATA wsaData;
- if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
- return -1;
- }
+ if ( WSAStartup( 0x0101, &wsaData ) != 0 ) return -1;
#endif
+
return 0;
}
*/
#if HAVE_NT_SERVICE_MANAGER && SIGBREAK
- if (is_NT_Service && sig == SIGBREAK)
- ;
- else
+ if (is_NT_Service && sig == SIGBREAK) {
+ /* empty */;
+ } else
#endif
#ifdef SIGHUP
- if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0)
+ if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0) {
slapd_gentle_shutdown = 1;
- else
+ } else
#endif
- slapd_shutdown = 1;
+ {
+ slapd_shutdown = 1;
+ }
+
WAKE_LISTENER(1);
/* reinstall self */
return slap_listeners;
}
-void slap_wake_listener()
-{
+void slap_wake_listener() {
WAKE_LISTENER(1);
}