/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2006 The OpenLDAP Foundation.
+ * Copyright 1998-2009 The OpenLDAP Foundation.
+ * Portions Copyright 2007 by Howard Chu, Symas Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#if defined(HAVE_SYS_EPOLL_H) && defined(HAVE_EPOLL)
# include <sys/epoll.h>
-#endif
+#elif defined(SLAP_X_DEVPOLL) && defined(HAVE_SYS_DEVPOLL_H) && defined(HAVE_DEVPOLL)
+# include <sys/types.h>
+# include <sys/stat.h>
+# include <fcntl.h>
+# include <sys/devpoll.h>
+#endif /* ! epoll && ! /dev/poll */
#ifdef HAVE_TCPD
-# 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"
-#endif /* ! TCP Wrappers */
+#endif /* TCP Wrappers */
#ifdef LDAP_PF_LOCAL
# include <sys/stat.h>
#ifdef LDAP_PF_INET6
int slap_inet4or6 = AF_UNSPEC;
-#else
+#else /* ! INETv6 */
int slap_inet4or6 = AF_INET;
-#endif
+#endif /* ! INETv6 */
/* globals */
time_t starttime;
#ifndef SLAPD_LISTEN_BACKLOG
#define SLAPD_LISTEN_BACKLOG 1024
-#endif
+#endif /* ! SLAPD_LISTEN_BACKLOG */
-static ber_socket_t wake_sds[2];
+static ber_socket_t wake_sds[2]
+#ifdef HAVE_WINSOCK
+ = { INVALID_SOCKET, INVALID_SOCKET }
+#endif /* HAVE_WINSOCK */
+ ;
static int emfile;
+static time_t chk_writetime;
+
static volatile int waking;
#ifdef NO_THREADS
#define WAKE_LISTENER(w) do { \
if ((w) && ++waking < 5) { \
- tcp_write( wake_sds[1], "0", 1 ); \
+ tcp_write( SLAP_FD2SOCK(wake_sds[1]), "0", 1 ); \
} \
-} while(0)
-#else
+} while (0)
+#else /* ! NO_THREADS */
#define WAKE_LISTENER(w) do { \
if (w) { \
- tcp_write( wake_sds[1], "0", 1 ); \
+ tcp_write( SLAP_FD2SOCK(wake_sds[1]), "0", 1 ); \
} \
-} while(0)
-#endif
+} while (0)
+#endif /* ! NO_THREADS */
volatile sig_atomic_t slapd_shutdown = 0;
volatile sig_atomic_t slapd_gentle_shutdown = 0;
volatile sig_atomic_t slapd_abrupt_shutdown = 0;
+#ifdef HAVE_WINSOCK
+ldap_pvt_thread_mutex_t slapd_ws_mutex;
+SOCKET *slapd_ws_sockets;
+#define SD_READ 1
+#define SD_WRITE 2
+#define SD_ACTIVE 4
+#define SD_LISTENER 8
+#endif
+
static struct slap_daemon {
ldap_pvt_thread_mutex_t sd_mutex;
#ifdef HAVE_TCPD
- ldap_pvt_thread_mutex_t tcpd_mutex;
-#endif
-
- ber_socket_t sd_nactives;
- int sd_nwriters;
-
-#ifdef HAVE_EPOLL
- struct epoll_event *sd_epolls;
- int sd_nepolls;
- int *sd_index;
- 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;
-#endif
+ ldap_pvt_thread_mutex_t sd_tcpd_mutex;
+#endif /* TCP Wrappers */
+
+ ber_socket_t sd_nactives;
+ int sd_nwriters;
+ int sd_nfds;
+
+#if defined(HAVE_EPOLL)
+ struct epoll_event *sd_epolls;
+ int *sd_index;
+ int sd_epfd;
+#elif defined(SLAP_X_DEVPOLL) && defined(HAVE_DEVPOLL)
+ /* eXperimental */
+ struct pollfd *sd_pollfd;
+ int *sd_index;
+ Listener **sd_l;
+ int sd_dpfd;
+#else /* ! epoll && ! /dev/poll */
+#ifdef HAVE_WINSOCK
+ char *sd_flags;
+ char *sd_rflags;
+#else /* ! HAVE_WINSOCK */
+ fd_set sd_actives;
+ fd_set sd_readers;
+ fd_set sd_writers;
+#endif /* ! HAVE_WINSOCK */
+#endif /* ! epoll && ! /dev/poll */
} slap_daemon;
-#ifdef HAVE_EPOLL
+/*
+ * NOTE: naming convention for macros:
+ *
+ * - SLAP_SOCK_* and SLAP_EVENT_* for public interface that deals
+ * with file descriptors and events respectively
+ *
+ * - SLAP_<type>_* for private interface; type by now is one of
+ * EPOLL, DEVPOLL, SELECT
+ *
+ * private interface should not be used in the code.
+ */
+#if defined(HAVE_EPOLL)
+/***************************************
+ * Use epoll infrastructure - epoll(4) *
+ ***************************************/
+# define SLAP_EVENT_FNAME "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_EPOLL_SOCK_IX(s) (slap_daemon.sd_index[(s)])
+# define SLAP_EPOLL_SOCK_EP(s) (slap_daemon.sd_epolls[SLAP_EPOLL_SOCK_IX(s)])
+# define SLAP_EPOLL_SOCK_EV(s) (SLAP_EPOLL_SOCK_EP(s).events)
+# define SLAP_SOCK_IS_ACTIVE(s) (SLAP_EPOLL_SOCK_IX(s) != -1)
+# define SLAP_SOCK_NOT_ACTIVE(s) (SLAP_EPOLL_SOCK_IX(s) == -1)
+# define SLAP_EPOLL_SOCK_IS_SET(s, mode) (SLAP_EPOLL_SOCK_EV(s) & (mode))
+
+# define SLAP_SOCK_IS_READ(s) SLAP_EPOLL_SOCK_IS_SET((s), EPOLLIN)
+# define SLAP_SOCK_IS_WRITE(s) SLAP_EPOLL_SOCK_IS_SET((s), EPOLLOUT)
+
+# define SLAP_EPOLL_SOCK_SET(s, mode) do { \
+ if ( (SLAP_EPOLL_SOCK_EV(s) & (mode)) != (mode) ) { \
+ SLAP_EPOLL_SOCK_EV(s) |= (mode); \
+ epoll_ctl( slap_daemon.sd_epfd, EPOLL_CTL_MOD, (s), \
+ &SLAP_EPOLL_SOCK_EP(s) ); \
} \
-} while(0)
+} 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_EPOLL_SOCK_CLR(s, mode) do { \
+ if ( (SLAP_EPOLL_SOCK_EV(s) & (mode)) ) { \
+ SLAP_EPOLL_SOCK_EV(s) &= ~(mode); \
+ epoll_ctl( slap_daemon.sd_epfd, EPOLL_CTL_MOD, s, \
+ &SLAP_EPOLL_SOCK_EP(s) ); \
} \
-} while(0)
+} while (0)
+
+# define SLAP_SOCK_SET_READ(s) SLAP_EPOLL_SOCK_SET(s, EPOLLIN)
+# define SLAP_SOCK_SET_WRITE(s) SLAP_EPOLL_SOCK_SET(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_EPOLL_SOCK_CLR((s), EPOLLIN)
+# define SLAP_SOCK_CLR_WRITE(s) SLAP_EPOLL_SOCK_CLR((s), EPOLLOUT)
-# ifdef SLAP_LIGHTWEIGHT_DISPATCHER
# define SLAP_SOCK_SET_SUSPEND(s) \
- ( slap_daemon.sd_suspend[SLAP_SOCK_IX(s)] = 1 )
+ ( slap_daemon.sd_suspend[SLAP_EPOLL_SOCK_IX(s)] = 1 )
# define SLAP_SOCK_CLR_SUSPEND(s) \
- ( slap_daemon.sd_suspend[SLAP_SOCK_IX(s)] = 0 )
+ ( slap_daemon.sd_suspend[SLAP_EPOLL_SOCK_IX(s)] = 0 )
# define SLAP_SOCK_IS_SUSPEND(s) \
- ( slap_daemon.sd_suspend[SLAP_SOCK_IX(s)] == 1 )
-# endif
+ ( slap_daemon.sd_suspend[SLAP_EPOLL_SOCK_IX(s)] == 1 )
-# define SLAP_SOCK_CLR_READ(s) SLAP_CLR_SOCK((s), EPOLLIN)
-# define SLAP_SOCK_CLR_WRITE(s) SLAP_CLR_SOCK((s), EPOLLOUT)
+# define SLAP_EPOLL_EVENT_CLR(i, mode) (revents[(i)].events &= ~(mode))
-# 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 { \
+# define SLAP_SOCK_ADD(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; \
+ SLAP_EPOLL_SOCK_IX((s)) = slap_daemon.sd_nfds; \
+ SLAP_EPOLL_SOCK_EP((s)).data.ptr = (l) ? (l) : (void *)(&SLAP_EPOLL_SOCK_IX(s)); \
+ SLAP_EPOLL_SOCK_EV((s)) = EPOLLIN; \
rc = epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_ADD, \
- (s), &SLAP_SOCK_EP((s))); \
+ (s), &SLAP_EPOLL_SOCK_EP((s))); \
if ( rc == 0 ) { \
slap_daemon.sd_nfds++; \
} else { \
} \
} while (0)
-# define SLAP_EV_LISTENER(ptr) (((int *)(ptr) >= slap_daemon.sd_index && \
- (int *)(ptr) <= (slap_daemon.sd_index+dtblsize)) ? 0 : 1 )
+# define SLAP_EPOLL_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_EPOLL_EV_PTRFD(ptr) (SLAP_EPOLL_EV_LISTENER(ptr) ? \
+ ((Listener *)ptr)->sl_sd : \
+ (ber_socket_t) ((int *)(ptr) - slap_daemon.sd_index))
-# define SLAP_DEL_SOCK(s) do { \
- int fd, rc, index = SLAP_SOCK_IX((s)); \
+# define SLAP_SOCK_DEL(s) do { \
+ int fd, rc, index = SLAP_EPOLL_SOCK_IX((s)); \
if ( index < 0 ) break; \
rc = epoll_ctl(slap_daemon.sd_epfd, EPOLL_CTL_DEL, \
- (s), &SLAP_SOCK_EP((s))); \
+ (s), &SLAP_EPOLL_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); \
+ fd = SLAP_EPOLL_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_EVENT_CLR_READ(i) SLAP_EPOLL_EVENT_CLR((i), EPOLLIN)
+# define SLAP_EVENT_CLR_WRITE(i) SLAP_EPOLL_EVENT_CLR((i), EPOLLOUT)
-# define SLAP_CHK_EVENT(i, mode) (revents[(i)].events & mode)
+# define SLAP_EPOLL_EVENT_CHK(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) ((Listener *)(revents[(i)].data.ptr))
+# define SLAP_EVENT_IS_READ(i) SLAP_EPOLL_EVENT_CHK((i), EPOLLIN)
+# define SLAP_EVENT_IS_WRITE(i) SLAP_EPOLL_EVENT_CHK((i), EPOLLOUT)
+# define SLAP_EVENT_IS_LISTENER(i) SLAP_EPOLL_EV_LISTENER(revents[(i)].data.ptr)
+# define SLAP_EVENT_LISTENER(i) ((Listener *)(revents[(i)].data.ptr))
-# define SLAP_EVENT_FD(i) SLAP_EV_PTRFD(revents[(i)].data.ptr)
+# define SLAP_EVENT_FD(i) SLAP_EPOLL_EV_PTRFD(revents[(i)].data.ptr)
-# define SLAP_SOCK_SET_INIT do { \
+# define SLAP_SOCK_INIT do { \
slap_daemon.sd_epolls = ch_calloc(1, \
- sizeof(struct epoll_event) * dtblsize * 2); \
- slap_daemon.sd_index = ch_malloc(sizeof(int) * dtblsize); \
+ ( sizeof(struct epoll_event) * 2 \
+ + sizeof(int) ) * dtblsize * 2); \
+ slap_daemon.sd_index = (int *)&slap_daemon.sd_epolls[ 2 * dtblsize ]; \
slap_daemon.sd_epfd = epoll_create( dtblsize ); \
- for (i=0; i<dtblsize; i++) slap_daemon.sd_index[i] = -1; \
+ for ( i = 0; i < dtblsize; i++ ) slap_daemon.sd_index[i] = -1; \
} while (0)
-# define SLAP_EVENT_DECL struct epoll_event *revents
+# define SLAP_SOCK_DESTROY do { \
+ if ( slap_daemon.sd_epolls != NULL ) { \
+ ch_free( slap_daemon.sd_epolls ); \
+ slap_daemon.sd_epolls = NULL; \
+ slap_daemon.sd_index = NULL; \
+ close( slap_daemon.sd_epfd ); \
+ } \
+} while ( 0 )
+
+# define SLAP_EVENT_DECL struct epoll_event *revents
-# define SLAP_EVENT_INIT do { \
+# 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 )
+# define SLAP_EVENT_WAIT(tvp, nsp) do { \
+ *(nsp) = epoll_wait( slap_daemon.sd_epfd, revents, \
+ dtblsize, (tvp) ? (tvp)->tv_sec * 1000 : -1 ); \
+} while (0)
-#else
-/* select */
+#elif defined(SLAP_X_DEVPOLL) && defined(HAVE_DEVPOLL)
-# define SLAP_EVENTS_ARE_INDEXED 1
-# define SLAP_EVENT_DECL \
- fd_set readfds, writefds
+/*************************************************************
+ * Use Solaris' (>= 2.7) /dev/poll infrastructure - poll(7d) *
+ *************************************************************/
+# define SLAP_EVENT_FNAME "/dev/poll"
+# define SLAP_EVENTS_ARE_INDEXED 0
+/*
+ * - sd_index is used much like with epoll()
+ * - sd_l is maintained as an array containing the address
+ * of the listener; the index is the fd itself
+ * - sd_pollfd is used to keep track of what data has been
+ * registered in /dev/poll
+ */
+# define SLAP_DEVPOLL_SOCK_IX(s) (slap_daemon.sd_index[(s)])
+# define SLAP_DEVPOLL_SOCK_LX(s) (slap_daemon.sd_l[(s)])
+# define SLAP_DEVPOLL_SOCK_EP(s) (slap_daemon.sd_pollfd[SLAP_DEVPOLL_SOCK_IX((s))])
+# define SLAP_DEVPOLL_SOCK_FD(s) (SLAP_DEVPOLL_SOCK_EP((s)).fd)
+# define SLAP_DEVPOLL_SOCK_EV(s) (SLAP_DEVPOLL_SOCK_EP((s)).events)
+# define SLAP_SOCK_IS_ACTIVE(s) (SLAP_DEVPOLL_SOCK_IX((s)) != -1)
+# define SLAP_SOCK_NOT_ACTIVE(s) (SLAP_DEVPOLL_SOCK_IX((s)) == -1)
+# define SLAP_SOCK_IS_SET(s, mode) (SLAP_DEVPOLL_SOCK_EV((s)) & (mode))
+
+# define SLAP_SOCK_IS_READ(s) SLAP_SOCK_IS_SET((s), POLLIN)
+# define SLAP_SOCK_IS_WRITE(s) SLAP_SOCK_IS_SET((s), POLLOUT)
+
+/* as far as I understand, any time we need to communicate with the kernel
+ * about the number and/or properties of a file descriptor we need it to
+ * wait for, we have to rewrite the whole set */
+# define SLAP_DEVPOLL_WRITE_POLLFD(s, pfd, n, what, shdn) do { \
+ int rc; \
+ size_t size = (n) * sizeof( struct pollfd ); \
+ /* FIXME: use pwrite? */ \
+ rc = write( slap_daemon.sd_dpfd, (pfd), size ); \
+ if ( rc != size ) { \
+ Debug( LDAP_DEBUG_ANY, "daemon: " SLAP_EVENT_FNAME ": " \
+ "%s fd=%d failed errno=%d\n", \
+ (what), (s), errno ); \
+ if ( (shdn) ) { \
+ slapd_shutdown = 2; \
+ } \
+ } \
+} while (0)
-# define SLAP_EVENT_INIT do { \
+# define SLAP_DEVPOLL_SOCK_SET(s, mode) do { \
+ Debug( LDAP_DEBUG_CONNS, "SLAP_SOCK_SET_%s(%d)=%d\n", \
+ (mode) == POLLIN ? "READ" : "WRITE", (s), \
+ ( (SLAP_DEVPOLL_SOCK_EV((s)) & (mode)) != (mode) ) ); \
+ if ( (SLAP_DEVPOLL_SOCK_EV((s)) & (mode)) != (mode) ) { \
+ struct pollfd pfd; \
+ SLAP_DEVPOLL_SOCK_EV((s)) |= (mode); \
+ pfd.fd = SLAP_DEVPOLL_SOCK_FD((s)); \
+ pfd.events = /* (mode) */ SLAP_DEVPOLL_SOCK_EV((s)); \
+ SLAP_DEVPOLL_WRITE_POLLFD((s), &pfd, 1, "SET", 0); \
+ } \
+} while (0)
+
+# define SLAP_DEVPOLL_SOCK_CLR(s, mode) do { \
+ Debug( LDAP_DEBUG_CONNS, "SLAP_SOCK_CLR_%s(%d)=%d\n", \
+ (mode) == POLLIN ? "READ" : "WRITE", (s), \
+ ( (SLAP_DEVPOLL_SOCK_EV((s)) & (mode)) == (mode) ) ); \
+ if ((SLAP_DEVPOLL_SOCK_EV((s)) & (mode)) == (mode) ) { \
+ struct pollfd pfd[2]; \
+ SLAP_DEVPOLL_SOCK_EV((s)) &= ~(mode); \
+ pfd[0].fd = SLAP_DEVPOLL_SOCK_FD((s)); \
+ pfd[0].events = POLLREMOVE; \
+ pfd[1] = SLAP_DEVPOLL_SOCK_EP((s)); \
+ SLAP_DEVPOLL_WRITE_POLLFD((s), &pfd[0], 2, "CLR", 0); \
+ } \
+} while (0)
+
+# define SLAP_SOCK_SET_READ(s) SLAP_DEVPOLL_SOCK_SET(s, POLLIN)
+# define SLAP_SOCK_SET_WRITE(s) SLAP_DEVPOLL_SOCK_SET(s, POLLOUT)
+
+# define SLAP_SOCK_CLR_READ(s) SLAP_DEVPOLL_SOCK_CLR((s), POLLIN)
+# define SLAP_SOCK_CLR_WRITE(s) SLAP_DEVPOLL_SOCK_CLR((s), POLLOUT)
+
+# define SLAP_SOCK_SET_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_DEVPOLL_SOCK_IX((s))] = 1 )
+# define SLAP_SOCK_CLR_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_DEVPOLL_SOCK_IX((s))] = 0 )
+# define SLAP_SOCK_IS_SUSPEND(s) \
+ ( slap_daemon.sd_suspend[SLAP_DEVPOLL_SOCK_IX((s))] == 1 )
+
+# define SLAP_DEVPOLL_EVENT_CLR(i, mode) (revents[(i)].events &= ~(mode))
+
+# define SLAP_EVENT_MAX slap_daemon.sd_nfds
+
+/* If a Listener address is provided, store that in the sd_l array.
+ * If we can't do this add, the system is out of resources and we
+ * need to shutdown.
+ */
+# define SLAP_SOCK_ADD(s, l) do { \
+ Debug( LDAP_DEBUG_CONNS, "SLAP_SOCK_ADD(%d, %p)\n", (s), (l), 0 ); \
+ SLAP_DEVPOLL_SOCK_IX((s)) = slap_daemon.sd_nfds; \
+ SLAP_DEVPOLL_SOCK_LX((s)) = (l); \
+ SLAP_DEVPOLL_SOCK_FD((s)) = (s); \
+ SLAP_DEVPOLL_SOCK_EV((s)) = POLLIN; \
+ SLAP_DEVPOLL_WRITE_POLLFD((s), &SLAP_DEVPOLL_SOCK_EP((s)), 1, "ADD", 1); \
+ slap_daemon.sd_nfds++; \
+} while (0)
+
+# define SLAP_DEVPOLL_EV_LISTENER(ptr) ((ptr) != NULL)
+
+# define SLAP_SOCK_DEL(s) do { \
+ int fd, index = SLAP_DEVPOLL_SOCK_IX((s)); \
+ Debug( LDAP_DEBUG_CONNS, "SLAP_SOCK_DEL(%d)\n", (s), 0, 0 ); \
+ if ( index < 0 ) break; \
+ if ( index < slap_daemon.sd_nfds - 1 ) { \
+ struct pollfd pfd = slap_daemon.sd_pollfd[index]; \
+ fd = slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1].fd; \
+ slap_daemon.sd_pollfd[index] = slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1]; \
+ slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1] = pfd; \
+ slap_daemon.sd_index[fd] = index; \
+ } \
+ slap_daemon.sd_index[(s)] = -1; \
+ slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1].events = POLLREMOVE; \
+ SLAP_DEVPOLL_WRITE_POLLFD((s), &slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1], 1, "DEL", 0); \
+ slap_daemon.sd_pollfd[slap_daemon.sd_nfds - 1].events = 0; \
+ slap_daemon.sd_nfds--; \
+} while (0)
+
+# define SLAP_EVENT_CLR_READ(i) SLAP_DEVPOLL_EVENT_CLR((i), POLLIN)
+# define SLAP_EVENT_CLR_WRITE(i) SLAP_DEVPOLL_EVENT_CLR((i), POLLOUT)
+
+# define SLAP_DEVPOLL_EVENT_CHK(i, mode) (revents[(i)].events & (mode))
+
+# define SLAP_EVENT_FD(i) (revents[(i)].fd)
+
+# define SLAP_EVENT_IS_READ(i) SLAP_DEVPOLL_EVENT_CHK((i), POLLIN)
+# define SLAP_EVENT_IS_WRITE(i) SLAP_DEVPOLL_EVENT_CHK((i), POLLOUT)
+# define SLAP_EVENT_IS_LISTENER(i) SLAP_DEVPOLL_EV_LISTENER(SLAP_DEVPOLL_SOCK_LX(SLAP_EVENT_FD((i))))
+# define SLAP_EVENT_LISTENER(i) SLAP_DEVPOLL_SOCK_LX(SLAP_EVENT_FD((i)))
+
+# define SLAP_SOCK_INIT do { \
+ slap_daemon.sd_pollfd = ch_calloc( 1, \
+ ( sizeof(struct pollfd) * 2 \
+ + sizeof( int ) \
+ + sizeof( Listener * ) ) * dtblsize ); \
+ slap_daemon.sd_index = (int *)&slap_daemon.sd_pollfd[ 2 * dtblsize ]; \
+ slap_daemon.sd_l = (Listener **)&slap_daemon.sd_index[ dtblsize ]; \
+ slap_daemon.sd_dpfd = open( SLAP_EVENT_FNAME, O_RDWR ); \
+ if ( slap_daemon.sd_dpfd == -1 ) { \
+ Debug( LDAP_DEBUG_ANY, "daemon: " SLAP_EVENT_FNAME ": " \
+ "open(\"" SLAP_EVENT_FNAME "\") failed errno=%d\n", \
+ errno, 0, 0 ); \
+ SLAP_SOCK_DESTROY; \
+ return -1; \
+ } \
+ for ( i = 0; i < dtblsize; i++ ) { \
+ slap_daemon.sd_pollfd[i].fd = -1; \
+ slap_daemon.sd_index[i] = -1; \
+ } \
+} while (0)
+
+# define SLAP_SOCK_DESTROY do { \
+ if ( slap_daemon.sd_pollfd != NULL ) { \
+ ch_free( slap_daemon.sd_pollfd ); \
+ slap_daemon.sd_pollfd = NULL; \
+ slap_daemon.sd_index = NULL; \
+ slap_daemon.sd_l = NULL; \
+ close( slap_daemon.sd_dpfd ); \
+ } \
+} while ( 0 )
+
+# define SLAP_EVENT_DECL struct pollfd *revents
+
+# define SLAP_EVENT_INIT do { \
+ revents = &slap_daemon.sd_pollfd[ dtblsize ]; \
+} while (0)
+
+# define SLAP_EVENT_WAIT(tvp, nsp) do { \
+ struct dvpoll sd_dvpoll; \
+ sd_dvpoll.dp_timeout = (tvp) ? (tvp)->tv_sec * 1000 : -1; \
+ sd_dvpoll.dp_nfds = dtblsize; \
+ sd_dvpoll.dp_fds = revents; \
+ *(nsp) = ioctl( slap_daemon.sd_dpfd, DP_POLL, &sd_dvpoll ); \
+} while (0)
+
+#else /* ! epoll && ! /dev/poll */
+# ifdef HAVE_WINSOCK
+# define SLAP_EVENT_FNAME "WSselect"
+/* Winsock provides a "select" function but its fd_sets are
+ * actually arrays of sockets. Since these sockets are handles
+ * and not a contiguous range of small integers, we manage our
+ * own "fd" table of socket handles and use their indices as
+ * descriptors.
+ *
+ * All of our listener/connection structures use fds; the actual
+ * I/O functions use sockets. The SLAP_FD2SOCK macro in proto-slap.h
+ * handles the mapping.
+ *
+ * Despite the mapping overhead, this is about 45% more efficient
+ * than just using Winsock's select and FD_ISSET directly.
+ *
+ * Unfortunately Winsock's select implementation doesn't scale well
+ * as the number of connections increases. This probably needs to be
+ * rewritten to use the Winsock overlapped/asynchronous I/O functions.
+ */
+# define SLAP_EVENTS_ARE_INDEXED 1
+# define SLAP_EVENT_DECL fd_set readfds, writefds
+# define SLAP_EVENT_INIT do { \
+ int i; \
+ FD_ZERO( &readfds ); \
+ FD_ZERO( &writefds ); \
+ memset( slap_daemon.sd_rflags, 0, slap_daemon.sd_nfds ); \
+ for ( i=0; i<slap_daemon.sd_nfds; i++ ) { \
+ if ( slap_daemon.sd_flags[i] & SD_READ ) \
+ FD_SET( slapd_ws_sockets[i], &readfds );\
+ if ( slap_daemon.sd_flags[i] & SD_WRITE ) \
+ FD_SET( slapd_ws_sockets[i], &writefds ); \
+ } } while ( 0 )
+
+# define SLAP_EVENT_MAX slap_daemon.sd_nfds
+
+# define SLAP_EVENT_WAIT(tvp, nsp) do { \
+ int i; \
+ *(nsp) = select( SLAP_EVENT_MAX, &readfds, \
+ nwriters > 0 ? &writefds : NULL, NULL, (tvp) ); \
+ for ( i=0; i<readfds.fd_count; i++) { \
+ int fd = slapd_sock2fd(readfds.fd_array[i]); \
+ if ( fd >= 0 ) { \
+ slap_daemon.sd_rflags[fd] = SD_READ; \
+ if ( fd >= *(nsp)) *(nsp) = fd+1; \
+ } \
+ } \
+ for ( i=0; i<writefds.fd_count; i++) { \
+ int fd = slapd_sock2fd(writefds.fd_array[i]); \
+ if ( fd >= 0 ) { \
+ slap_daemon.sd_rflags[fd] = SD_WRITE; \
+ if ( fd >= *(nsp)) *(nsp) = fd+1; \
+ } \
+ } \
+} while (0)
+
+# define SLAP_EVENT_IS_READ(fd) (slap_daemon.sd_rflags[fd] & SD_READ)
+# define SLAP_EVENT_IS_WRITE(fd) (slap_daemon.sd_rflags[fd] & SD_WRITE)
+
+# define SLAP_EVENT_CLR_READ(fd) slap_daemon.sd_rflags[fd] &= ~SD_READ;
+# define SLAP_EVENT_CLR_WRITE(fd) slap_daemon.sd_rflags[fd] &= ~SD_WRITE;
+
+# define SLAP_SOCK_INIT do { \
+ ldap_pvt_thread_mutex_init( &slapd_ws_mutex ); \
+ slapd_ws_sockets = ch_malloc( dtblsize * ( sizeof(SOCKET) + 2)); \
+ slap_daemon.sd_flags = (char *)(slapd_ws_sockets + dtblsize); \
+ slap_daemon.sd_rflags = slap_daemon.sd_flags + dtblsize; \
+ memset( slapd_ws_sockets, -1, dtblsize * sizeof(SOCKET) ); \
+ memset( slap_daemon.sd_flags, 0, dtblsize ); \
+ slapd_ws_sockets[0] = wake_sds[0]; \
+ slapd_ws_sockets[1] = wake_sds[1]; \
+ wake_sds[0] = 0; \
+ wake_sds[1] = 1; \
+ slap_daemon.sd_nfds = 2; \
+ } while ( 0 )
+
+# define SLAP_SOCK_DESTROY do { \
+ ch_free( slapd_ws_sockets ); slapd_ws_sockets = NULL; \
+ slap_daemon.sd_flags = NULL; \
+ slap_daemon.sd_rflags = NULL; \
+ ldap_pvt_thread_mutex_destroy( &slapd_ws_mutex ); \
+ } while ( 0 )
+
+# define SLAP_SOCK_IS_ACTIVE(fd) ( slap_daemon.sd_flags[fd] & SD_ACTIVE )
+# define SLAP_SOCK_IS_READ(fd) ( slap_daemon.sd_flags[fd] & SD_READ )
+# define SLAP_SOCK_IS_WRITE(fd) ( slap_daemon.sd_flags[fd] & SD_WRITE )
+# define SLAP_SOCK_NOT_ACTIVE(fd) (!slap_daemon.sd_flags[fd])
+
+# define SLAP_SOCK_SET_READ(fd) ( slap_daemon.sd_flags[fd] |= SD_READ )
+# define SLAP_SOCK_SET_WRITE(fd) ( slap_daemon.sd_flags[fd] |= SD_WRITE )
+
+# define SLAP_SELECT_ADDTEST(s) do { \
+ if ((s) >= slap_daemon.sd_nfds) slap_daemon.sd_nfds = (s)+1; \
+} while (0)
+
+# define SLAP_SOCK_CLR_READ(fd) ( slap_daemon.sd_flags[fd] &= ~SD_READ )
+# define SLAP_SOCK_CLR_WRITE(fd) ( slap_daemon.sd_flags[fd] &= ~SD_WRITE )
+
+# define SLAP_SOCK_ADD(s, l) do { \
+ SLAP_SELECT_ADDTEST((s)); \
+ slap_daemon.sd_flags[s] = SD_ACTIVE|SD_READ; \
+} while ( 0 )
+
+# define SLAP_SOCK_DEL(s) do { \
+ slap_daemon.sd_flags[s] = 0; \
+ slapd_sockdel( s ); \
+} while ( 0 )
+
+# else /* !HAVE_WINSOCK */
+
+/**************************************
+ * Use select system call - select(2) *
+ **************************************/
+# define SLAP_EVENT_FNAME "select"
+/* select */
+# define SLAP_EVENTS_ARE_INDEXED 1
+# define SLAP_EVENT_DECL fd_set readfds, writefds
+
+# define SLAP_EVENT_INIT do { \
AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) ); \
if ( nwriters ) { \
AC_MEMCPY( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) ); \
} while (0)
# ifdef FD_SETSIZE
-# define CHK_SETSIZE do { \
+# define SLAP_SELECT_CHK_SETSIZE do { \
if (dtblsize > FD_SETSIZE) dtblsize = FD_SETSIZE; \
} while (0)
-# else
-# define CHK_SETSIZE do { ; } while (0)
-# endif
+# else /* ! FD_SETSIZE */
+# define SLAP_SELECT_CHK_SETSIZE do { ; } while (0)
+# endif /* ! FD_SETSIZE */
-# define SLAP_SOCK_SET_INIT do { \
- CHK_SETSIZE; \
+# define SLAP_SOCK_INIT do { \
+ SLAP_SELECT_CHK_SETSIZE; \
+ FD_ZERO(&slap_daemon.sd_actives); \
FD_ZERO(&slap_daemon.sd_readers); \
FD_ZERO(&slap_daemon.sd_writers); \
} while (0)
+# define SLAP_SOCK_DESTROY
+
# 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); } \
-} while(0)
-# 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) do { \
+# 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_SELECT_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)); \
+# define SLAP_SOCK_ADD(s, l) do { \
+ SLAP_SELECT_ADDTEST((s)); \
FD_SET((s), &slap_daemon.sd_actives); \
FD_SET((s), &slap_daemon.sd_readers); \
-} while(0)
+} while (0)
-# define SLAP_DEL_SOCK(s) do { \
+# define SLAP_SOCK_DEL(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)
+} 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_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
+# define SLAP_EVENT_WAIT(tvp, nsp) do { \
+ *(nsp) = select( SLAP_EVENT_MAX, &readfds, \
+ nwriters > 0 ? &writefds : NULL, NULL, (tvp) ); \
+} while (0)
+# endif /* !HAVE_WINSOCK */
+#endif /* ! epoll && ! /dev/poll */
#ifdef HAVE_SLP
/*
static SLPError slapd_slp_cookie;
-void slapd_slp_init( const char* urls ) {
+static void
+slapd_slp_init( const char* urls )
+{
int i;
SLPError err;
slapd_srvurls = ldap_str2charray( urls, " " );
- if( slapd_srvurls == NULL ) return;
+ if ( slapd_srvurls == NULL ) return;
/* find and expand INADDR_ANY URLs */
- for( i=0; slapd_srvurls[i] != NULL; i++ ) {
- if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) {
- char *host = ldap_pvt_get_fqdn( NULL );
- if ( host != NULL ) {
- slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
- strlen( host ) +
- sizeof( LDAP_SRVTYPE_PREFIX ) );
- strcpy( lutil_strcopy(slapd_srvurls[i],
- LDAP_SRVTYPE_PREFIX ), host );
-
- ch_free( host );
- }
-
- } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) {
- char *host = ldap_pvt_get_fqdn( NULL );
- if ( host != NULL ) {
- slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
- strlen( host ) +
- sizeof( LDAPS_SRVTYPE_PREFIX ) );
- strcpy( lutil_strcopy(slapd_srvurls[i],
- LDAPS_SRVTYPE_PREFIX ), host );
-
- ch_free( host );
- }
+ for ( i = 0; slapd_srvurls[i] != NULL; i++ ) {
+ if ( strcmp( slapd_srvurls[i], "ldap:///" ) == 0 ) {
+ slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
+ global_host_bv.bv_len +
+ sizeof( LDAP_SRVTYPE_PREFIX ) );
+ strcpy( lutil_strcopy(slapd_srvurls[i],
+ LDAP_SRVTYPE_PREFIX ), global_host_bv.bv_val );
+ } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0 ) {
+ slapd_srvurls[i] = (char *) ch_realloc( slapd_srvurls[i],
+ global_host_bv.bv_len +
+ sizeof( LDAPS_SRVTYPE_PREFIX ) );
+ strcpy( lutil_strcopy(slapd_srvurls[i],
+ LDAPS_SRVTYPE_PREFIX ), global_host_bv.bv_val );
}
}
/* open the SLP handle */
err = SLPOpen( "en", 0, &slapd_hslp );
- if (err != SLP_OK) {
+ if ( err != SLP_OK ) {
Debug( LDAP_DEBUG_CONNS, "daemon: SLPOpen() failed with %ld\n",
(long)err, 0, 0 );
}
}
-void slapd_slp_deinit() {
- if( slapd_srvurls == NULL ) return;
+static void
+slapd_slp_deinit( void )
+{
+ if ( slapd_srvurls == NULL ) return;
ldap_charray_free( slapd_srvurls );
slapd_srvurls = NULL;
SLPClose( slapd_hslp );
}
-void slapd_slp_regreport(
- SLPHandle hslp,
- SLPError errcode,
- void* cookie )
+static void
+slapd_slp_regreport(
+ SLPHandle hslp,
+ SLPError errcode,
+ void *cookie )
{
/* return the error code in the cookie */
*(SLPError*)cookie = errcode;
}
-void slapd_slp_reg() {
+static void
+slapd_slp_reg()
+{
int i;
SLPError err;
- if( slapd_srvurls == NULL ) return;
+ if ( slapd_srvurls == NULL ) return;
- for( i=0; slapd_srvurls[i] != NULL; i++ ) {
- if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
+ for ( i = 0; slapd_srvurls[i] != NULL; i++ ) {
+ if ( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX,
sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 ||
- strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
+ strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX,
sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 )
{
err = SLPReg( slapd_hslp,
slapd_srvurls[i],
SLP_LIFETIME_MAXIMUM,
"ldap",
- (slapd_slp_attrs) ? slapd_slp_attrs : "",
- SLP_TRUE,
+ (slapd_slp_attrs) ? slapd_slp_attrs : "",
+ SLP_TRUE,
slapd_slp_regreport,
- &slapd_slp_cookie );
+ &slapd_slp_cookie );
- if (err != SLP_OK || slapd_slp_cookie != SLP_OK) {
+ if ( err != SLP_OK || slapd_slp_cookie != SLP_OK ) {
Debug( LDAP_DEBUG_CONNS,
"daemon: SLPReg(%s) failed with %ld, cookie = %ld\n",
slapd_srvurls[i], (long)err, (long)slapd_slp_cookie );
}
}
-void slapd_slp_dereg() {
+static void
+slapd_slp_dereg( void )
+{
int i;
SLPError err;
- if( slapd_srvurls == NULL ) return;
+ if ( slapd_srvurls == NULL ) return;
- for( i=0; slapd_srvurls[i] != NULL; i++ ) {
+ for ( i = 0; slapd_srvurls[i] != NULL; i++ ) {
err = SLPDereg( slapd_hslp,
slapd_srvurls[i],
slapd_slp_regreport,
- &slapd_slp_cookie );
+ &slapd_slp_cookie );
- if (err != SLP_OK || slapd_slp_cookie != SLP_OK) {
+ if ( err != SLP_OK || slapd_slp_cookie != SLP_OK ) {
Debug( LDAP_DEBUG_CONNS,
"daemon: SLPDereg(%s) failed with %ld, cookie = %ld\n",
slapd_srvurls[i], (long)err, (long)slapd_slp_cookie );
}
#endif /* HAVE_SLP */
+#ifdef HAVE_WINSOCK
+/* Manage the descriptor to socket table */
+ber_socket_t
+slapd_socknew( ber_socket_t s )
+{
+ ber_socket_t i;
+ ldap_pvt_thread_mutex_lock( &slapd_ws_mutex );
+ for ( i = 0; i < dtblsize && slapd_ws_sockets[i] != INVALID_SOCKET; i++ );
+ if ( i == dtblsize ) {
+ WSASetLastError( WSAEMFILE );
+ } else {
+ slapd_ws_sockets[i] = s;
+ }
+ ldap_pvt_thread_mutex_unlock( &slapd_ws_mutex );
+ return i;
+}
+
+void
+slapd_sockdel( ber_socket_t s )
+{
+ ldap_pvt_thread_mutex_lock( &slapd_ws_mutex );
+ slapd_ws_sockets[s] = INVALID_SOCKET;
+ ldap_pvt_thread_mutex_unlock( &slapd_ws_mutex );
+}
+
+ber_socket_t
+slapd_sock2fd( ber_socket_t s )
+{
+ ber_socket_t i;
+ for ( i=0; i<dtblsize && slapd_ws_sockets[i] != s; i++);
+ if ( i == dtblsize )
+ i = -1;
+ return i;
+}
+#endif
+
/*
* Add a descriptor to daemon control
*
* idletimeout. The underlying event handler may record the Listener
* argument to differentiate Listener's from real sessions.
*/
-static void slapd_add(ber_socket_t s, int isactive, Listener *sl) {
+static void
+slapd_add( ber_socket_t s, int isactive, Listener *sl )
+{
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
assert( SLAP_SOCK_NOT_ACTIVE(s) );
if ( isactive ) slap_daemon.sd_nactives++;
- SLAP_ADD_SOCK(s, sl);
+ SLAP_SOCK_ADD(s, sl);
- Debug( LDAP_DEBUG_CONNS, "daemon: added %ldr\n",
- (long) s, 0, 0 );
+ Debug( LDAP_DEBUG_CONNS, "daemon: added %ldr%s listener=%p\n",
+ (long) s, isactive ? " (active)" : "", (void *)sl );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
WAKE_LISTENER(1);
-#endif
}
-void slapd_sd_lock()
+/*
+ * NOTE: unused
+ */
+void
+slapd_sd_lock( void )
{
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
}
-void slapd_sd_unlock()
+/*
+ * NOTE: unused
+ */
+void
+slapd_sd_unlock( void )
{
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
}
/*
* Remove the descriptor from daemon control
*/
-void slapd_remove(
+void
+slapd_remove(
ber_socket_t s,
Sockbuf *sb,
int wasactive,
if ( waswriter ) slap_daemon.sd_nwriters--;
- SLAP_DEL_SOCK(s);
+ SLAP_SOCK_DEL(s);
if ( sb )
ber_sockbuf_free(sb);
WAKE_LISTENER(wake || slapd_gentle_shutdown == 2);
}
-void slapd_clr_write(ber_socket_t s, int wake) {
+void
+slapd_clr_write( ber_socket_t s, int wake )
+{
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- assert( SLAP_SOCK_IS_ACTIVE( s ));
-
if ( SLAP_SOCK_IS_WRITE( s )) {
+ assert( SLAP_SOCK_IS_ACTIVE( s ));
+
SLAP_SOCK_CLR_WRITE( s );
slap_daemon.sd_nwriters--;
}
WAKE_LISTENER(wake);
}
-void slapd_set_write(ber_socket_t s, int wake) {
+void
+slapd_set_write( ber_socket_t s, int wake )
+{
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
assert( SLAP_SOCK_IS_ACTIVE( s ));
SLAP_SOCK_SET_WRITE( s );
slap_daemon.sd_nwriters++;
}
+ if (( wake & 2 ) && global_writetimeout && !chk_writetime ) {
+ chk_writetime = slap_get_time();
+ }
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
WAKE_LISTENER(wake);
}
-int slapd_clr_read(ber_socket_t s, int wake) {
+int
+slapd_clr_read( ber_socket_t s, int wake )
+{
int rc = 1;
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
return rc;
}
-void slapd_set_read(ber_socket_t s, int wake) {
+void
+slapd_set_read( ber_socket_t s, int wake )
+{
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
assert( SLAP_SOCK_IS_ACTIVE( s ));
WAKE_LISTENER(wake);
}
-static void slapd_close(ber_socket_t s) {
+time_t
+slapd_get_writetime()
+{
+ time_t cur;
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+ cur = chk_writetime;
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ return cur;
+}
+
+void
+slapd_clr_writetime( time_t old )
+{
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
+ if ( chk_writetime == old )
+ chk_writetime = 0;
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+}
+
+static void
+slapd_close( ber_socket_t s )
+{
Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n",
(long) s, 0, 0 );
- tcp_close(s);
+ tcp_close( SLAP_FD2SOCK(s) );
+#ifdef HAVE_WINSOCK
+ slapd_sockdel( s );
+#endif
}
-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 defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
-static int get_url_perms(
+static int
+get_url_perms(
char **exts,
mode_t *perms,
int *crit )
S_IRGRP, S_IWGRP, S_IXGRP,
S_IROTH, S_IWOTH, S_IXOTH
};
- static char c[] = "-rwxrwxrwx";
+ static const char c[] = "-rwxrwxrwx";
if ( value[ j ] == c[ j ] ) {
p |= m[ j ];
#endif /* LDAP_PF_LOCAL || SLAP_X_LISTENER_MOD */
/* port = 0 indicates AF_LOCAL */
-static int slap_get_listener_addresses(
+static int
+slap_get_listener_addresses(
const char *host,
unsigned short port,
- struct sockaddr ***sal)
+ struct sockaddr ***sal )
{
struct sockaddr **sap;
(*sap)->sa_family = AF_LOCAL;
strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
} else
-#endif
+#endif /* LDAP_PF_LOCAL */
{
#ifdef HAVE_GETADDRINFO
struct addrinfo hints, *res, *sai;
*(struct sockaddr_in6 *)*sap =
*((struct sockaddr_in6 *)sai->ai_addr);
break;
-# endif
+# endif /* LDAP_PF_INET6 */
case AF_INET:
*sap = ch_malloc(sizeof(struct sockaddr_in));
if (*sap == NULL) {
freeaddrinfo(res);
-#else
+#else /* ! HAVE_GETADDRINFO */
int i, n = 1;
struct in_addr in;
struct hostent *he = NULL;
sizeof(struct in_addr) );
}
sap[i] = NULL;
-#endif
+#endif /* ! HAVE_GETADDRINFO */
}
return 0;
return -1;
}
-static int slap_open_listener(
+static int
+slap_open_listener(
const char* url,
int *listeners,
- int *cur
- )
+ int *cur )
{
int num, tmp, rc;
Listener l;
int err, addrlen = 0;
struct sockaddr **sal, **psal;
int socktype = SOCK_STREAM; /* default to COTS */
+ ber_socket_t s;
#if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
/*
l.sl_url.bv_val = NULL;
l.sl_mute = 0;
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
l.sl_busy = 0;
-#endif
#ifndef HAVE_TLS
if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
if(! lud->lud_port ) lud->lud_port = LDAP_PORT;
-#else
+#else /* HAVE_TLS */
l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
if(! lud->lud_port ) {
lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
}
-#endif
+#endif /* HAVE_TLS */
port = (unsigned short) lud->lud_port;
} else {
err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
}
-#else
+#else /* ! LDAP_PF_LOCAL */
Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
url, 0, 0);
ldap_free_urldesc( lud );
return -1;
-#endif
+#endif /* ! LDAP_PF_LOCAL */
} else {
if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
|| strcmp(lud->lud_host, "*") == 0 )
#ifdef LDAP_CONNECTIONLESS
l.sl_is_udp = ( tmp == LDAP_PROTO_UDP );
-#endif
+#endif /* LDAP_CONNECTIONLESS */
#if defined(LDAP_PF_LOCAL) || defined(SLAP_X_LISTENER_MOD)
if ( lud->lud_exts ) {
case AF_INET6:
af = "IPv6";
break;
-#endif
+#endif /* LDAP_PF_INET6 */
#ifdef LDAP_PF_LOCAL
case AF_LOCAL:
af = "Local";
break;
-#endif
+#endif /* LDAP_PF_LOCAL */
default:
sal++;
continue;
#ifdef LDAP_CONNECTIONLESS
if( l.sl_is_udp ) socktype = SOCK_DGRAM;
-#endif
+#endif /* LDAP_CONNECTIONLESS */
- l.sl_sd = socket( (*sal)->sa_family, socktype, 0);
- if ( l.sl_sd == AC_SOCKET_INVALID ) {
+ s = socket( (*sal)->sa_family, socktype, 0);
+ if ( s == AC_SOCKET_INVALID ) {
int err = sock_errno();
Debug( LDAP_DEBUG_ANY,
"daemon: %s socket() failed errno=%d (%s)\n",
sal++;
continue;
}
+ l.sl_sd = SLAP_SOCKNEW( s );
-#ifndef HAVE_WINSOCK
if ( l.sl_sd >= dtblsize ) {
Debug( LDAP_DEBUG_ANY,
"daemon: listener descriptor %ld is too great %ld\n",
(long) l.sl_sd, (long) dtblsize, 0 );
- tcp_close( l.sl_sd );
+ tcp_close( s );
sal++;
continue;
}
-#endif
#ifdef LDAP_PF_LOCAL
if ( (*sal)->sa_family == AF_LOCAL ) {
unlink( ((struct sockaddr_un *)*sal)->sun_path );
} else
-#endif
+#endif /* LDAP_PF_LOCAL */
{
#ifdef SO_REUSEADDR
/* enable address reuse */
tmp = 1;
- rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
+ rc = setsockopt( s, SOL_SOCKET, SO_REUSEADDR,
(char *) &tmp, sizeof(tmp) );
if ( rc == AC_SOCKET_ERROR ) {
int err = sock_errno();
"setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
(long) l.sl_sd, err, sock_errstr(err) );
}
-#endif
+#endif /* SO_REUSEADDR */
}
switch( (*sal)->sa_family ) {
#ifdef IPV6_V6ONLY
/* Try to use IPv6 sockets for IPv6 only */
tmp = 1;
- rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY,
+ rc = setsockopt( s , IPPROTO_IPV6, IPV6_V6ONLY,
(char *) &tmp, sizeof(tmp) );
if ( rc == AC_SOCKET_ERROR ) {
int err = sock_errno();
"setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n",
(long) l.sl_sd, err, sock_errstr(err) );
}
-#endif
+#endif /* IPV6_V6ONLY */
addrlen = sizeof(struct sockaddr_in6);
break;
-#endif
+#endif /* LDAP_PF_INET6 */
#ifdef LDAP_PF_LOCAL
case AF_LOCAL:
#ifdef LOCAL_CREDS
- {
- int one = 1;
- setsockopt(l.sl_sd, 0, LOCAL_CREDS, &one, sizeof one);
- }
-#endif
- addrlen = sizeof(struct sockaddr_un);
- break;
-#endif
+ {
+ int one = 1;
+ setsockopt( s, 0, LOCAL_CREDS, &one, sizeof( one ) );
+ }
+#endif /* LOCAL_CREDS */
+
+ addrlen = sizeof( struct sockaddr_un );
+ break;
+#endif /* LDAP_PF_LOCAL */
}
- if (bind(l.sl_sd, *sal, addrlen)) {
+#ifdef LDAP_PF_LOCAL
+ /* create socket with all permissions set for those systems
+ * that honor permissions on sockets (e.g. Linux); typically,
+ * only write is required. To exploit filesystem permissions,
+ * place the socket in a directory and use directory's
+ * permissions. Need write perms to the directory to
+ * create/unlink the socket; likely need exec perms to access
+ * the socket (ITS#4709) */
+ {
+ mode_t old_umask = 0;
+
+ if ( (*sal)->sa_family == AF_LOCAL ) {
+ old_umask = umask( 0 );
+ }
+#endif /* LDAP_PF_LOCAL */
+ rc = bind( s, *sal, addrlen );
+#ifdef LDAP_PF_LOCAL
+ if ( old_umask != 0 ) {
+ umask( old_umask );
+ }
+ }
+#endif /* LDAP_PF_LOCAL */
+ if ( rc ) {
err = sock_errno();
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 );
+ (long)l.sl_sd, err, sock_errstr( err ) );
+ tcp_close( s );
sal++;
continue;
}
inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
addr, sizeof(addr) );
s = addr;
-#else
+#else /* ! HAVE_GETADDRINFO || ! HAVE_INET_NTOP */
s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr );
-#endif
+#endif /* ! HAVE_GETADDRINFO || ! HAVE_INET_NTOP */
port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port );
l.sl_name.bv_val =
ber_memalloc( sizeof("IP=255.255.255.255:65535") );
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_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",
+ 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;
static int sockinit(void);
static int sockdestroy(void);
-int slapd_daemon_init( const char *urls )
+int
+slapd_daemon_init( const char *urls )
{
int i, j, n, rc;
char **u;
ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
#ifdef HAVE_TCPD
- ldap_pvt_thread_mutex_init( &slap_daemon.tcpd_mutex );
-#endif
+ ldap_pvt_thread_mutex_init( &slap_daemon.sd_tcpd_mutex );
+#endif /* TCP Wrappers */
if( (rc = sockinit()) != 0 ) return rc;
#ifdef HAVE_SYSCONF
dtblsize = sysconf( _SC_OPEN_MAX );
-#elif HAVE_GETDTABLESIZE
+#elif defined(HAVE_GETDTABLESIZE)
dtblsize = getdtablesize();
-#else
+#else /* ! HAVE_SYSCONF && ! HAVE_GETDTABLESIZE */
dtblsize = FD_SETSIZE;
-#endif
+#endif /* ! HAVE_SYSCONF && ! HAVE_GETDTABLESIZE */
/* open a pipe (or something equivalent connected to itself).
* we write a byte on this fd whenever we catch a signal. The main
return rc;
}
- SLAP_SOCK_SET_INIT;
+ SLAP_SOCK_INIT;
if( urls == NULL ) urls = "ldap:///";
slapd_slp_init( urls );
slapd_slp_reg();
}
-#endif
+#endif /* HAVE_SLP */
ldap_charray_free( u );
int
-slapd_daemon_destroy(void)
+slapd_daemon_destroy( void )
{
connections_destroy();
- tcp_close( wake_sds[1] );
- tcp_close( wake_sds[0] );
+#ifdef HAVE_WINSOCK
+ if ( wake_sds[1] != INVALID_SOCKET &&
+ SLAP_FD2SOCK( wake_sds[1] ) != SLAP_FD2SOCK( wake_sds[0] ))
+#endif /* HAVE_WINSOCK */
+ tcp_close( SLAP_FD2SOCK(wake_sds[1]) );
+#ifdef HAVE_WINSOCK
+ if ( wake_sds[0] != INVALID_SOCKET )
+#endif /* HAVE_WINSOCK */
+ tcp_close( SLAP_FD2SOCK(wake_sds[0]) );
sockdestroy();
#ifdef HAVE_SLP
slapd_slp_dereg();
slapd_slp_deinit();
}
-#endif
+#endif /* HAVE_SLP */
#ifdef HAVE_TCPD
- ldap_pvt_thread_mutex_destroy( &slap_daemon.tcpd_mutex );
-#endif
+ ldap_pvt_thread_mutex_destroy( &slap_daemon.sd_tcpd_mutex );
+#endif /* TCP Wrappers */
ldap_pvt_thread_mutex_destroy( &slap_daemon.sd_mutex );
return 0;
{
Sockaddr from;
- ber_socket_t s;
- socklen_t len = sizeof(from);
- long id;
+ ber_socket_t s, sfd;
+ ber_socklen_t len = sizeof(from);
+ Connection *c;
slap_ssf_t ssf = 0;
struct berval authid = BER_BVNULL;
#ifdef SLAPD_RLOOKUPS
char hbuf[NI_MAXHOST];
-#endif
+#endif /* SLAPD_RLOOKUPS */
char *dnsname = NULL;
char *peeraddr = NULL;
#ifdef LDAP_PF_LOCAL
char peername[MAXPATHLEN + sizeof("PATH=")];
+#ifdef LDAP_PF_LOCAL_SENDMSG
+ char peerbuf[8];
+ struct berval peerbv = BER_BVNULL;
+#endif
#elif defined(LDAP_PF_INET6)
- char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
-#else
+ char peername[sizeof("IP=[ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]:65535")];
+#else /* ! LDAP_PF_LOCAL && ! LDAP_PF_INET6 */
char peername[sizeof("IP=255.255.255.255:65336")];
#endif /* LDAP_PF_LOCAL */
+ int cflag;
+
+ Debug( LDAP_DEBUG_TRACE,
+ ">>> slap_listener(%s)\n",
+ sl->sl_url.bv_val, 0, 0 );
peername[0] = '\0';
#ifdef LDAP_CONNECTIONLESS
if ( sl->sl_is_udp ) return 1;
-#endif
+#endif /* LDAP_CONNECTIONLESS */
# ifdef LDAP_PF_LOCAL
/* FIXME: apparently accept doesn't fill
from.sa_un_addr.sun_path[0] = '\0';
# endif /* LDAP_PF_LOCAL */
- s = accept( sl->sl_sd, (struct sockaddr *) &from, &len );
+ s = accept( SLAP_FD2SOCK( 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();
if(
#ifdef EMFILE
err == EMFILE ||
-#endif
+#endif /* EMFILE */
#ifdef ENFILE
err == ENFILE ||
-#endif
+#endif /* ENFILE */
0 )
{
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
ldap_pvt_thread_yield();
return 0;
}
+ sfd = SLAP_SOCKNEW( s );
-#ifndef HAVE_WINSOCK
/* make sure descriptor number isn't too great */
- if ( s >= dtblsize ) {
+ if ( sfd >= dtblsize ) {
Debug( LDAP_DEBUG_ANY,
"daemon: %ld beyond descriptor table size %ld\n",
- (long) s, (long) dtblsize, 0 );
+ (long) sfd, (long) dtblsize, 0 );
- slapd_close(s);
+ tcp_close(s);
ldap_pvt_thread_yield();
return 0;
}
-#endif
#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 ));
+ assert( SLAP_SOCK_NOT_ACTIVE( sfd ));
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-#endif
+#endif /* LDAP_DEBUG */
#if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
#ifdef LDAP_PF_LOCAL
int err = sock_errno();
Debug( LDAP_DEBUG_ANY,
"slapd(%ld): setsockopt(SO_KEEPALIVE) failed "
- "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
+ "errno=%d (%s)\n", (long) sfd, err, sock_errstr(err) );
}
-#endif
+#endif /* SO_KEEPALIVE */
#ifdef TCP_NODELAY
/* enable no delay */
tmp = 1;
int err = sock_errno();
Debug( LDAP_DEBUG_ANY,
"slapd(%ld): setsockopt(TCP_NODELAY) failed "
- "errno=%d (%s)\n", (long) s, err, sock_errstr(err) );
+ "errno=%d (%s)\n", (long) sfd, err, sock_errstr(err) );
}
-#endif
+#endif /* TCP_NODELAY */
}
-#endif
+#endif /* SO_KEEPALIVE || TCP_NODELAY */
Debug( LDAP_DEBUG_CONNS,
"daemon: listen=%ld, new connection on %ld\n",
- (long) sl->sl_sd, (long) s, 0 );
+ (long) sl->sl_sd, (long) sfd, 0 );
+ cflag = 0;
switch ( from.sa_addr.sa_family ) {
# ifdef LDAP_PF_LOCAL
case AF_LOCAL:
+ cflag |= CONN_IS_IPC;
+
/* FIXME: apparently accept doesn't fill
* the sun_path sun_path member */
if ( from.sa_un_addr.sun_path[0] == '\0' ) {
uid_t uid;
gid_t gid;
- if( getpeereid( s, &uid, &gid ) == 0 ) {
+#ifdef LDAP_PF_LOCAL_SENDMSG
+ peerbv.bv_val = peerbuf;
+ peerbv.bv_len = sizeof( peerbuf );
+#endif
+ if( LUTIL_GETPEEREID( s, &uid, &gid, &peerbv ) == 0 ) {
authid.bv_val = ch_malloc(
STRLENOF( "gidNumber=4294967295+uidNumber=4294967295,"
"cn=peercred,cn=external,cn=auth" ) + 1 );
peeraddr = (char *) inet_ntop( AF_INET6,
&from.sa_in6_addr.sin6_addr,
addr, sizeof addr );
- sprintf( peername, "IP=%s %d",
+ sprintf( peername, "IP=[%s]:%d",
peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
(unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
}
# endif /* LDAP_PF_INET6 */
case AF_INET:
- peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
- sprintf( peername, "IP=%s:%d",
- peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
- (unsigned) ntohs( from.sa_in_addr.sin_port ) );
+ peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
+ sprintf( peername, "IP=%s:%d",
+ peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
+ (unsigned) ntohs( from.sa_in_addr.sin_port ) );
break;
default:
- slapd_close(s);
+ slapd_close(sfd);
return 0;
}
if ( ( from.sa_addr.sa_family == AF_INET )
#ifdef LDAP_PF_INET6
|| ( from.sa_addr.sa_family == AF_INET6 )
-#endif
+#endif /* LDAP_PF_INET6 */
)
{
dnsname = NULL;
#ifdef HAVE_TCPD
{
int rc;
- ldap_pvt_thread_mutex_lock( &slap_daemon.tcpd_mutex );
+ ldap_pvt_thread_mutex_lock( &slap_daemon.sd_tcpd_mutex );
rc = hosts_ctl("slapd",
dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
SLAP_STRING_UNKNOWN );
- ldap_pvt_thread_mutex_unlock( &slap_daemon.tcpd_mutex );
+ ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_tcpd_mutex );
if ( !rc ) {
/* DENY ACCESS */
Statslog( LDAP_DEBUG_STATS,
"fd=%ld DENIED from %s (%s)\n",
- (long) s,
+ (long) sfd,
dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
peeraddr != NULL ? peeraddr : SLAP_STRING_UNKNOWN,
0, 0 );
- slapd_close(s);
+ slapd_close(sfd);
return 0;
}
}
#endif /* HAVE_TCPD */
}
- id = connection_init(s, sl,
- dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
- peername,
#ifdef HAVE_TLS
- sl->sl_is_tls ? CONN_IS_TLS : 0,
-#else
- 0,
+ if ( sl->sl_is_tls ) cflag |= CONN_IS_TLS;
#endif
- ssf,
- authid.bv_val ? &authid : NULL );
+ c = connection_init(sfd, sl,
+ dnsname != NULL ? dnsname : SLAP_STRING_UNKNOWN,
+ peername, cflag, ssf,
+ authid.bv_val ? &authid : NULL
+ LDAP_PF_LOCAL_SENDMSG_ARG(&peerbv));
if( authid.bv_val ) ch_free(authid.bv_val);
- if( id < 0 ) {
+ if( !c ) {
Debug( LDAP_DEBUG_ANY,
"daemon: connection_init(%ld, %s, %s) failed.\n",
- (long) s, peername, sl->sl_name.bv_val );
- slapd_close(s);
+ (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",
- id, (long) s, peername, sl->sl_name.bv_val,
+ c->c_connid, (long) sfd, peername, sl->sl_name.bv_val,
0 );
return 0;
}
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
static void*
slap_listener_thread(
void* ctx,
void* ptr )
{
- int rc;
+ int rc;
+ Listener *sl = (Listener *)ptr;
- rc = slap_listener( (Listener*)ptr );
+ rc = slap_listener( sl );
if( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
- "listener_thread: failed %d", rc, 0, 0 );
+ "slap_listener_thread(%s): failed err=%d",
+ sl->sl_url.bv_val, rc, 0 );
}
return (void*)NULL;
}
return rc;
}
-#endif
static void *
slapd_daemon_task(
{
int l;
time_t last_idle_check = 0;
- struct timeval idle;
int ebadf = 0;
#define SLAPD_IDLE_CHECK_LIMIT 4
if ( global_idletimeout > 0 ) {
last_idle_check = slap_get_time();
- /* Set the select timeout.
- * 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_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
- } else {
- idle.tv_sec = 0;
- idle.tv_usec = 0;
}
slapd_add( wake_sds[0], 0, NULL );
*/
if ( slap_listeners[l]->sl_is_udp )
continue;
-#endif
+#endif /* LDAP_CONNECTIONLESS */
- if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN_BACKLOG ) == -1 ) {
+ if ( listen( SLAP_FD2SOCK( slap_listeners[l]->sl_sd ), SLAPD_LISTEN_BACKLOG ) == -1 ) {
int err = sock_errno();
#ifdef LDAP_PF_INET6
}
}
}
-#endif
+#endif /* LDAP_PF_INET6 */
Debug( LDAP_DEBUG_ANY,
"daemon: listen(%s, 5) failed errno=%d (%s)\n",
slap_listeners[l]->sl_url.bv_val, err,
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 ) {
+ if ( ber_pvt_socket_set_nonblock( SLAP_FD2SOCK( 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] );
}
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
+#endif /* HAVE_NT_SERVICE_MANAGER */
/* initialization complete. Here comes the loop. */
while ( !slapd_shutdown ) {
- ber_socket_t i;
- int ns, nwriters;
- int at;
- ber_socket_t nfds;
+ ber_socket_t i;
+ int ns, nwriters;
+ int at;
+ ber_socket_t nfds;
#if SLAP_EVENTS_ARE_INDEXED
- ber_socket_t nrfds, nwfds;
-#endif
+ ber_socket_t nrfds, nwfds;
+#endif /* SLAP_EVENTS_ARE_INDEXED */
#define SLAPD_EBADF_LIMIT 16
- time_t now;
+ time_t now;
SLAP_EVENT_DECL;
struct timeval *tvp;
struct timeval cat;
- time_t tdelta = 1;
+ time_t tdelta = 1;
struct re_s* rtask;
+
now = slap_get_time();
- if( ( global_idletimeout > 0 ) &&
- difftime( last_idle_check +
- global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) {
- connections_timeout_idle( now );
- last_idle_check = now;
+ if ( global_idletimeout > 0 || chk_writetime ) {
+ 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 );
+ tv.tv_usec *= 1000000 / SLAPD_IDLE_CHECK_LIMIT;
+ if ( difftime( last_idle_check +
+ global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 )
+ check = 1;
+ }
+ if ( check ) {
+ connections_timeout_idle( now );
+ last_idle_check = now;
+ }
+ } else {
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
}
- tv = idle;
#ifdef SIGHUP
- if( slapd_gentle_shutdown ) {
+ if ( slapd_gentle_shutdown ) {
ber_socket_t active;
- if( slapd_gentle_shutdown == 1 ) {
+ if ( slapd_gentle_shutdown == 1 ) {
BackendDB *be;
Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 );
close_listeners( 1 );
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
active = slap_daemon.sd_nactives;
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
- if( active == 0 ) {
+ if ( active == 0 ) {
slapd_shutdown = 1;
break;
}
}
-#endif
+#endif /* SIGHUP */
at = 0;
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
if ( lr->sl_sd == AC_SOCKET_INVALID ) continue;
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
if ( lr->sl_mute || lr->sl_busy )
-#else
- if ( lr->sl_mute )
-#endif
{
- SLAP_SOCK_CLR_READ( lr->sl_sd );
+ 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 (( chk_writetime || global_idletimeout ) && slap_daemon.sd_nactives ) at = 1;
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
if ( at
#if defined(HAVE_YIELDING_SELECT) || defined(NO_THREADS)
&& ( tv.tv_sec || tv.tv_usec )
-#endif
+#endif /* HAVE_YIELDING_SELECT || NO_THREADS */
)
{
tvp = &tv;
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
if ( rtask && cat.tv_sec ) {
- time_t diff = difftime( cat.tv_sec, now );
- if ( diff == 0 ) diff = tdelta;
+ /* NOTE: diff __should__ always be >= 0,
+ * AFAI understand; however (ITS#4872),
+ * time_t might be unsigned in some systems,
+ * while difftime() returns a double */
+ double diff = difftime( cat.tv_sec, now );
+ if ( diff <= 0 ) {
+ diff = tdelta;
+ }
if ( tvp == NULL || diff < tv.tv_sec ) {
tv.tv_sec = diff;
tv.tv_usec = 0;
if ( lr->sl_mute ) {
Debug( LDAP_DEBUG_CONNS,
- "daemon: select: listen=%d muted\n",
+ "daemon: " SLAP_EVENT_FNAME ": "
+ "listen=%d muted\n",
lr->sl_sd, 0, 0 );
continue;
}
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
if ( lr->sl_busy ) {
Debug( LDAP_DEBUG_CONNS,
- "daemon: select: listen=%d busy\n",
+ "daemon: " SLAP_EVENT_FNAME ": "
+ "listen=%d busy\n",
lr->sl_sd, 0, 0 );
continue;
}
-#endif
Debug( LDAP_DEBUG_CONNS,
- "daemon: select: listen=%d active_threads=%d tvp=%s\n",
+ "daemon: " SLAP_EVENT_FNAME ": "
+ "listen=%d active_threads=%d tvp=%s\n",
lr->sl_sd, at, tvp == NULL ? "NULL" : "zero" );
}
- switch(ns = SLAP_EVENT_WAIT(tvp)) {
+ SLAP_EVENT_WAIT( tvp, &ns );
+ switch ( ns ) {
case -1: { /* failure - try again */
int err = sock_errno();
- if( err != EINTR ) {
+ if ( err != EINTR ) {
ebadf++;
/* Don't log unless we got it twice in a row */
- if ( !( ebadf & 1 )) {
+ if ( !( ebadf & 1 ) ) {
Debug( LDAP_DEBUG_ANY,
- "daemon: select failed count %d err (%d): %s\n",
- ebadf, err, sock_errstr(err) );
+ "daemon: "
+ SLAP_EVENT_FNAME
+ " failed count %d "
+ "err (%d): %s\n",
+ ebadf, err,
+ sock_errstr( err ) );
}
- if ( ebadf >= SLAPD_EBADF_LIMIT )
+ if ( ebadf >= SLAPD_EBADF_LIMIT ) {
slapd_shutdown = 2;
+ }
}
}
continue;
case 0: /* timeout - let threads run */
ebadf = 0;
#ifndef HAVE_YIELDING_SELECT
- Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n",
- 0, 0, 0 );
+ Debug( LDAP_DEBUG_CONNS, "daemon: " SLAP_EVENT_FNAME
+ "timeout - yielding\n",
+ 0, 0, 0 );
ldap_pvt_thread_yield();
-#endif
+#endif /* ! HAVE_YIELDING_SELECT */
continue;
default: /* something happened - deal with it */
- if( slapd_shutdown ) continue;
+ if ( slapd_shutdown ) continue;
ebadf = 0;
Debug( LDAP_DEBUG_CONNS,
}
#if SLAP_EVENTS_ARE_INDEXED
- if ( SLAP_EVENT_IS_READ( wake_sds[0] )) {
+ if ( SLAP_EVENT_IS_READ( wake_sds[0] ) ) {
char c[BUFSIZ];
SLAP_EVENT_CLR_READ( wake_sds[0] );
waking = 0;
- tcp_read( wake_sds[0], c, sizeof(c) );
+ tcp_read( SLAP_FD2SOCK(wake_sds[0]), c, sizeof(c) );
Debug( LDAP_DEBUG_CONNS, "daemon: waked\n", 0, 0, 0 );
continue;
}
if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ) continue;
#ifdef LDAP_CONNECTIONLESS
if ( slap_listeners[l]->sl_is_udp ) continue;
-#endif
- if ( !SLAP_EVENT_IS_READ( slap_listeners[l]->sl_sd )) continue;
+#endif /* LDAP_CONNECTIONLESS */
+ 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
+ rc = slap_listener_activate( slap_listeners[l] );
}
/* bypass the following tests if no descriptors left */
if ( ns <= 0 ) {
#ifndef HAVE_YIELDING_SELECT
ldap_pvt_thread_yield();
-#endif
+#endif /* HAVE_YIELDING_SELECT */
continue;
}
Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
-#ifdef HAVE_WINSOCK
- nrfds = readfds.fd_count;
- nwfds = writefds.fd_count;
- for ( i = 0; i < readfds.fd_count; i++ ) {
- Debug( LDAP_DEBUG_CONNS, " %d%s",
- readfds.fd_array[i], "r", 0 );
- }
- for ( i = 0; i < writefds.fd_count; i++ ) {
- Debug( LDAP_DEBUG_CONNS, " %d%s",
- writefds.fd_array[i], "w", 0 );
- }
-
-#else
nrfds = 0;
nwfds = 0;
for ( i = 0; i < nfds; i++ ) {
}
if ( ns <= 0 ) break;
}
-#endif
Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
-
/* loop through the writers */
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--;
* close it here. It has already been closed in connection.c.
*/
if ( connection_write( wd ) < 0 ) {
- if ( SLAP_EVENT_IS_READ( wd )) {
+ if ( SLAP_EVENT_IS_READ( wd ) ) {
SLAP_EVENT_CLR_READ( (unsigned) wd );
nrfds--;
}
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--;
* active.
*/
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
connection_read_activate( rd );
-#else
- connection_read( rd );
-#endif
}
#else /* !SLAP_EVENTS_ARE_INDEXED */
/* FIXME */
#ifdef LDAP_DEBUG
Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 );
- for (i=0; i<ns; i++) {
- int r, w;
+ for ( i = 0; i < ns; i++ ) {
+ int r, w, fd;
/* Don't log listener events */
- if ( SLAP_EVENT_IS_LISTENER(i)
+ if ( SLAP_EVENT_IS_LISTENER( i )
#ifdef LDAP_CONNECTIONLESS
- && !((SLAP_EVENT_LISTENER(i))->sl_is_udp)
-#endif
+ && !( (SLAP_EVENT_LISTENER( i ))->sl_is_udp )
+#endif /* LDAP_CONNECTIONLESS */
)
{
continue;
}
+ fd = SLAP_EVENT_FD( i );
/* Don't log internal wake events */
- if ( SLAP_EVENT_FD( i ) == wake_sds[0] ) continue;
+ if ( fd == wake_sds[0] ) continue;
r = SLAP_EVENT_IS_READ( i );
w = SLAP_EVENT_IS_WRITE( i );
if ( r || w ) {
- Debug( LDAP_DEBUG_CONNS, " %d%s%s", SLAP_EVENT_FD(i),
+ Debug( LDAP_DEBUG_CONNS, " %d%s%s", fd,
r ? "r" : "", w ? "w" : "" );
}
}
Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 );
-#endif
+#endif /* LDAP_DEBUG */
- for (i=0; i<ns; i++) {
- int rc = 1, fd;
+ for ( i = 0; i < ns; i++ ) {
+ int rc = 1, fd, w = 0, r = 0;
- if ( SLAP_EVENT_IS_LISTENER(i) ) {
-#ifdef SLAP_LIGHTWEIGHT_DISPATCHER
- rc = slap_listener_activate( SLAP_EVENT_LISTENER( i ));
-#else
- rc = slap_listener( SLAP_EVENT_LISTENER( i ));
-#endif
+ if ( SLAP_EVENT_IS_LISTENER( i ) ) {
+ rc = slap_listener_activate( SLAP_EVENT_LISTENER( i ) );
}
/* If we found a regular listener, rc is now zero, and we
if ( fd == wake_sds[0] ) {
char c[BUFSIZ];
waking = 0;
- tcp_read( wake_sds[0], c, sizeof(c) );
- break;
+ tcp_read( SLAP_FD2SOCK(wake_sds[0]), c, sizeof(c) );
+ continue;
}
- if( SLAP_EVENT_IS_WRITE( i ) ) {
+ if ( SLAP_EVENT_IS_WRITE( i ) ) {
Debug( LDAP_DEBUG_CONNS,
"daemon: write active on %d\n",
fd, 0, 0 );
SLAP_EVENT_CLR_WRITE( i );
+ w = 1;
/*
* NOTE: it is possible that the connection was closed
}
}
/* 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 );
- SLAP_EVENT_CLR_READ( i );
-#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.
- */
- connection_read( fd );
+ if ( r ) {
+ SLAP_EVENT_CLR_READ( i );
+ } else {
+#ifdef HAVE_EPOLL
+ /* Don't keep reporting the hangup
+ */
+ if ( SLAP_SOCK_IS_ACTIVE( fd )) {
+ SLAP_EPOLL_SOCK_SET( fd, EPOLLET );
+ }
#endif
- } else {
- Debug( LDAP_DEBUG_CONNS,
- "daemon: hangup on %d\n", fd, 0, 0 );
+ }
+ connection_read_activate( fd );
}
}
}
#ifndef HAVE_YIELDING_SELECT
ldap_pvt_thread_yield();
-#endif
+#endif /* ! HAVE_YIELDING_SELECT */
}
- if( slapd_shutdown == 1 ) {
+ if ( slapd_shutdown == 1 ) {
Debug( LDAP_DEBUG_ANY,
"daemon: shutdown requested and initiated.\n",
0, 0, 0 );
0, 0, 0 );
}
- if( slapd_gentle_shutdown != 2 ) close_listeners ( 0 );
+ if ( slapd_gentle_shutdown != 2 ) close_listeners ( 0 );
- if( !slapd_gentle_shutdown ) {
+ if ( !slapd_gentle_shutdown ) {
slapd_abrupt_shutdown = 1;
connections_shutdown();
}
- Debug( LDAP_DEBUG_ANY,
- "slapd shutdown: waiting for %d threads to terminate\n",
- ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
- ldap_pvt_thread_pool_destroy(&connection_pool, 1);
+ if ( LogTest( LDAP_DEBUG_ANY )) {
+ int t = ldap_pvt_thread_pool_backload( &connection_pool );
+ Debug( LDAP_DEBUG_ANY,
+ "slapd shutdown: waiting for %d operations/tasks to finish\n",
+ t, 0, 0 );
+ }
+ ldap_pvt_thread_pool_destroy( &connection_pool, 1 );
- free ( slap_listeners );
+ free( slap_listeners );
slap_listeners = NULL;
return NULL;
#ifdef LDAP_CONNECTIONLESS
-static int connectionless_init(void)
+static int
+connectionless_init( void )
{
int l;
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
Listener *lr = slap_listeners[l];
- long id;
+ Connection *c;
- if( !lr->sl_is_udp ) {
+ if ( !lr->sl_is_udp ) {
continue;
}
- id = connection_init( lr->sl_sd, lr, "", "", CONN_IS_UDP, (slap_ssf_t) 0, NULL );
+ c = connection_init( lr->sl_sd, lr, "", "",
+ CONN_IS_UDP, (slap_ssf_t) 0, NULL
+ LDAP_PF_LOCAL_SENDMSG_ARG(NULL));
- if( id < 0 ) {
+ if ( !c ) {
Debug( LDAP_DEBUG_TRACE,
- "connectionless_init: failed on %s (%d)\n", lr->sl_url, lr->sl_sd, 0 );
+ "connectionless_init: failed on %s (%d)\n",
+ lr->sl_url, lr->sl_sd, 0 );
return -1;
}
lr->sl_is_udp++;
}
#endif /* LDAP_CONNECTIONLESS */
-int slapd_daemon( void )
+int
+slapd_daemon( void )
{
int rc;
- connections_init();
#ifdef LDAP_CONNECTIONLESS
connectionless_init();
-#endif
+#endif /* LDAP_CONNECTIONLESS */
#define SLAPD_LISTENER_THREAD 1
#if defined( SLAPD_LISTENER_THREAD )
}
/* wait for the listener thread to complete */
- ldap_pvt_thread_join( listener_tid, (void *) NULL );
+ ldap_pvt_thread_join( listener_tid, (void *)NULL );
}
-#else
+#else /* ! SLAPD_LISTENER_THREAD */
/* experimental code */
slapd_daemon_task( NULL );
-#endif
+#endif /* ! SLAPD_LISTENER_THREAD */
return 0;
-
}
-static int sockinit(void)
+static int
+sockinit( void )
{
#if defined( HAVE_WINSOCK2 )
- WORD wVersionRequested;
+ WORD wVersionRequested;
WSADATA wsaData;
int err;
#elif defined( HAVE_WINSOCK )
WSADATA wsaData;
if ( WSAStartup( 0x0101, &wsaData ) != 0 ) return -1;
-#endif
+#endif /* ! HAVE_WINSOCK2 && ! HAVE_WINSOCK */
return 0;
}
-static int sockdestroy(void)
+static int
+sockdestroy( void )
{
#if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
WSACleanup();
-#endif
+#endif /* HAVE_WINSOCK2 || HAVE_WINSOCK */
+ SLAP_SOCK_DESTROY;
+
return 0;
}
RETSIGTYPE
slap_sig_shutdown( int sig )
{
+ int save_errno = errno;
+
#if 0
Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
#endif
* SIGBREAK is generated when a user logs out.
*/
-#if HAVE_NT_SERVICE_MANAGER && SIGBREAK
+#if defined(HAVE_NT_SERVICE_MANAGER) && defined(SIGBREAK)
if (is_NT_Service && sig == SIGBREAK) {
/* empty */;
} else
-#endif
+#endif /* HAVE_NT_SERVICE_MANAGER && SIGBREAK */
#ifdef SIGHUP
if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0) {
slapd_gentle_shutdown = 1;
} else
-#endif
+#endif /* SIGHUP */
{
slapd_shutdown = 1;
}
/* reinstall self */
(void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
+
+ errno = save_errno;
}
RETSIGTYPE
slap_sig_wake( int sig )
{
+ int save_errno = errno;
+
WAKE_LISTENER(1);
/* reinstall self */
(void) SIGNAL_REINSTALL( sig, slap_sig_wake );
+
+ errno = save_errno;
}
-void slapd_add_internal(ber_socket_t s, int isactive) {
- slapd_add(s, isactive, NULL);
+void
+slapd_add_internal( ber_socket_t s, int isactive )
+{
+ slapd_add( s, isactive, NULL );
}
-Listener ** slapd_get_listeners(void) {
+Listener **
+slapd_get_listeners( void )
+{
return slap_listeners;
}
-void slap_wake_listener() {
+void
+slap_wake_listener()
+{
WAKE_LISTENER(1);
}