/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2005 The OpenLDAP Foundation.
+ * Copyright 1998-2008 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "slapi/slapi.h"
#endif
-
-#ifdef SLAP_MULTI_CONN_ARRAY
-/* for Multiple Connection Arrary (MCA) Support */
-static ldap_pvt_thread_mutex_t* connections_mutex;
-static Connection **connections = NULL;
-
-/* set to the number of processors */
-# define NUM_CONNECTION_ARRAY 4
-
-/* partition the array in a modulo manner */
-# define MCA_conn_array_id(fd) ((int)(fd)%NUM_CONNECTION_ARRAY)
-# define MCA_conn_array_element_id(fd) ((int)(fd)/NUM_CONNECTION_ARRAY)
-# define MCA_GET_CONNECTION(fd) (&(connections[MCA_conn_array_id(fd)])\
- [MCA_conn_array_element_id(fd)])
-# define MCA_GET_CONN_MUTEX(fd) (&connections_mutex[MCA_conn_array_id(fd)])
-
-#else
/* protected by connections_mutex */
static ldap_pvt_thread_mutex_t connections_mutex;
static Connection *connections = NULL;
-# define MCA_GET_CONNECTION(fd) (&connections[s])
-# define MCA_GET_CONN_MUTEX(fd) (&connections_mutex)
-#endif
-
static ldap_pvt_thread_mutex_t conn_nextid_mutex;
static unsigned long conn_nextid = 0;
#define SLAP_C_UNINITIALIZED 0x00 /* MUST BE ZERO (0) */
#define SLAP_C_UNUSED 0x01
#define SLAP_C_USED 0x02
+#define SLAP_C_PENDING 0x03
/* connection state (protected by c_mutex ) */
#define SLAP_C_INVALID 0x00 /* MUST BE ZERO (0) */
static Connection* connection_get( ber_socket_t s );
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
-static int connection_input( Connection *c, Operation** op );
-#else
-static int connection_input( Connection *c );
-#endif
+typedef struct conn_readinfo {
+ Operation *op;
+ ldap_pvt_thread_start_t *func;
+ void *arg;
+ void *ctx;
+ int nullop;
+} conn_readinfo;
+
+static int connection_input( Connection *c, conn_readinfo *cri );
static void connection_close( Connection *c );
static int connection_op_activate( Operation *op );
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
static void connection_op_queue( Operation *op );
-#endif
static int connection_resched( Connection *conn );
static void connection_abandon( Connection *conn );
static void connection_destroy( Connection *c );
* Initialize connection management infrastructure.
*/
int connections_init(void)
-#ifdef SLAP_MULTI_CONN_ARRAY
-{
- int i, j;
- Connection* conn;
-
- assert( connections == NULL );
-
- if( connections != NULL) {
- Debug( LDAP_DEBUG_ANY, "connections_init: already initialized.\n",
- 0, 0, 0 );
- return -1;
- }
-
- connections_mutex = (ldap_pvt_thread_mutex_t*) ch_calloc( NUM_CONNECTION_ARRAY, sizeof(ldap_pvt_thread_mutex_t) );
- if( connections_mutex == NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "connections_init: allocation of connection mutex[%d] failed\n", i, 0, 0 );
- return -1;
- }
-
- connections = (Connection**) ch_calloc( NUM_CONNECTION_ARRAY, sizeof(Connection*));
- if( connections == NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "connections_init: allocation of connection[%d] failed\n", 0, 0, 0 );
- return -1;
- }
-
- for ( i = 0; i < NUM_CONNECTION_ARRAY; i++ ) {
- ldap_pvt_thread_mutex_init( connections_mutex+i );
- connections[i] = (Connection*) ch_calloc( (dtblsize/NUM_CONNECTION_ARRAY), sizeof(Connection) );
- if( connections[i] == NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "connections_init: allocation (%d*%ld) of connection array[%d] failed\n",
- dtblsize, (long) sizeof(Connection), i );
- return -1;
- }
- }
-
- /* should check return of every call */
- ldap_pvt_thread_mutex_init( &conn_nextid_mutex );
-
- assert( connections[0]->c_struct_state == SLAP_C_UNINITIALIZED );
- assert( connections[NUM_CONNECTION_ARRAY-1]->c_struct_state == SLAP_C_UNINITIALIZED );
-
- for ( i = 0; i < NUM_CONNECTION_ARRAY; i++ ) {
- conn = connections[i];
- for ( j = 0; j < (dtblsize/NUM_CONNECTION_ARRAY); j++ ) {
- conn[j].c_conn_idx = j;
- }
- }
-
- /*
- * per entry initialization of the Connection array initialization
- * will be done by connection_init()
- */
-
- return 0;
-}
-#else
{
int i;
connections = (Connection *) ch_calloc( dtblsize, sizeof(Connection) );
if( connections == NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "connections_init: allocation (%d*%ld) of connection array failed\n",
+ Debug( LDAP_DEBUG_ANY, "connections_init: "
+ "allocation (%d*%ld) of connection array failed\n",
dtblsize, (long) sizeof(Connection), 0 );
return -1;
}
return 0;
}
-#endif
/*
* Destroy connection management infrastructure.
*/
int connections_destroy(void)
-#ifdef SLAP_MULTI_CONN_ARRAY
-{
- int i;
- ber_socket_t j;
-
- if( connections == NULL) {
- Debug( LDAP_DEBUG_ANY, "connections_destroy: nothing to destroy.\n",
- 0, 0, 0 );
- return -1;
- }
-
- for ( i = 0; i < NUM_CONNECTION_ARRAY; i++ ) {
- Connection* conn = connections[i];
- for ( j = 0; j < (dtblsize/NUM_CONNECTION_ARRAY); j++ ) {
- if( conn[j].c_struct_state != SLAP_C_UNINITIALIZED ) {
- ber_sockbuf_free( conn[j].c_sb );
- ldap_pvt_thread_mutex_destroy( &conn[j].c_mutex );
- ldap_pvt_thread_mutex_destroy( &conn[j].c_write_mutex );
- ldap_pvt_thread_cond_destroy( &conn[j].c_write_cv );
-#ifdef LDAP_SLAPI
- /* FIX ME!! */
- if ( slapi_plugins_used ) {
- slapi_int_free_object_extensions( SLAPI_X_EXT_CONNECTION,
- &connections[i] );
- }
-#endif
- }
- }
- }
-
- for ( i = 0; i < NUM_CONNECTION_ARRAY; i++ ) {
- free( connections[i] );
- connections[i] = NULL;
- ldap_pvt_thread_mutex_destroy( &connections_mutex[i] );
- }
-
- ldap_pvt_thread_mutex_destroy( &conn_nextid_mutex );
-
- return 0;
-
-}
-#else
{
ber_socket_t i;
ldap_pvt_thread_mutex_destroy( &conn_nextid_mutex );
return 0;
}
-#endif
/*
* shutdown all connections
*/
int connections_shutdown(void)
-#ifdef SLAP_MULTI_CONN_ARRAY
-{
- int i;
- ber_socket_t j;
-
- for ( i = 0; i < NUM_CONNECTION_ARRAY; i++ ) {
- Connection* conn = connections[i];
- ldap_pvt_thread_mutex_lock( &connections_mutex[i] );
- for ( j = 0; j < (dtblsize/NUM_CONNECTION_ARRAY); j++ ) {
- if( conn[j].c_struct_state != SLAP_C_USED ) {
- continue;
- }
- /* give persistent clients a chance to cleanup */
- if( conn[j].c_conn_state == SLAP_C_CLIENT ) {
- ldap_pvt_thread_pool_submit( &connection_pool,
- conn[j].c_clientfunc, conn[j].c_clientarg );
- continue;
- }
-
- ldap_pvt_thread_mutex_lock( &conn[j].c_mutex );
- /* connections_mutex and c_mutex are locked */
- connection_closing( &conn[j], "connection shutdown" );
- connection_close( &conn[j] );
- ldap_pvt_thread_mutex_unlock( &conn[j].c_mutex );
- }
-
- ldap_pvt_thread_mutex_unlock( &connections_mutex[i] );
- }
-
- return 0;
-
-}
-#else
{
ber_socket_t i;
- ldap_pvt_thread_mutex_lock( &connections_mutex );
-
for ( i = 0; i < dtblsize; i++ ) {
- if( connections[i].c_struct_state != SLAP_C_USED ) {
- continue;
- }
- /* give persistent clients a chance to cleanup */
- if( connections[i].c_conn_state == SLAP_C_CLIENT ) {
- ldap_pvt_thread_pool_submit( &connection_pool,
- connections[i].c_clientfunc, connections[i].c_clientarg );
- continue;
+ if( connections[i].c_struct_state != SLAP_C_UNINITIALIZED ) {
+ ldap_pvt_thread_mutex_lock( &connections[i].c_mutex );
+ if( connections[i].c_struct_state == SLAP_C_USED ) {
+
+ /* give persistent clients a chance to cleanup */
+ if( connections[i].c_conn_state == SLAP_C_CLIENT ) {
+ ldap_pvt_thread_pool_submit( &connection_pool,
+ connections[i].c_clientfunc, connections[i].c_clientarg );
+ } else {
+ /* c_mutex is locked */
+ connection_closing( &connections[i], "slapd shutdown" );
+ connection_close( &connections[i] );
+ }
+ }
+ ldap_pvt_thread_mutex_unlock( &connections[i].c_mutex );
}
-
- ldap_pvt_thread_mutex_lock( &connections[i].c_mutex );
-
- /* connections_mutex and c_mutex are locked */
- connection_closing( &connections[i], "slapd shutdown" );
- connection_close( &connections[i] );
-
- ldap_pvt_thread_mutex_unlock( &connections[i].c_mutex );
}
- ldap_pvt_thread_mutex_unlock( &connections_mutex );
-
return 0;
}
-#endif
/*
* Timeout idle connections.
{
/* Don't timeout a slow-running request or a persistent
* outbound connection */
- if( c->c_n_ops_executing ||
- c->c_conn_state == SLAP_C_CLIENT ) continue;
+ if( c->c_n_ops_executing || c->c_conn_state == SLAP_C_CLIENT ) {
+ continue;
+ }
if( difftime( c->c_activitytime+global_idletimeout, now) < 0 ) {
/* close it */
static Connection* connection_get( ber_socket_t s )
{
- /* connections_mutex should be locked by caller */
-
Connection *c;
Debug( LDAP_DEBUG_ARGS,
assert( connections != NULL );
- if(s == AC_SOCKET_INVALID) {
- return NULL;
- }
-
-#ifndef HAVE_WINSOCK
- c = MCA_GET_CONNECTION(s);
-
- assert( c->c_struct_state != SLAP_C_UNINITIALIZED );
-
-#else
- c = NULL;
- {
- ber_socket_t i, sd;
-
- for(i=0; i<dtblsize; i++) {
- if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
- assert( connections[i].c_conn_state == SLAP_C_INVALID );
- assert( connections[i].c_sb == 0 );
- break;
- }
+ if(s == AC_SOCKET_INVALID) return NULL;
- ber_sockbuf_ctrl( connections[i].c_sb,
- LBER_SB_OPT_GET_FD, &sd );
-
- if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
- assert( connections[i].c_conn_state == SLAP_C_INVALID );
- assert( sd == AC_SOCKET_INVALID );
- continue;
- }
-
- /* state can actually change from used -> unused by resched,
- * so don't assert details here.
- */
-
- if( sd == s ) {
- c = &connections[i];
- break;
- }
- }
- }
-#endif
+ assert( s < dtblsize );
+ c = &connections[s];
if( c != NULL ) {
- ber_socket_t sd;
-
ldap_pvt_thread_mutex_lock( &c->c_mutex );
- ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
+ assert( c->c_struct_state != SLAP_C_UNINITIALIZED );
+
if( c->c_struct_state != SLAP_C_USED ) {
/* connection must have been closed due to resched */
assert( c->c_conn_state == SLAP_C_INVALID );
- assert( sd == AC_SOCKET_INVALID );
+ assert( c->c_sd == AC_SOCKET_INVALID );
Debug( LDAP_DEBUG_TRACE,
"connection_get(%d): connection not used\n",
assert( c->c_struct_state == SLAP_C_USED );
assert( c->c_conn_state != SLAP_C_INVALID );
- assert( sd != AC_SOCKET_INVALID );
+ assert( c->c_sd != AC_SOCKET_INVALID );
#ifndef SLAPD_MONITOR
if ( global_idletimeout > 0 )
ldap_pvt_thread_mutex_unlock( &c->c_mutex );
}
-long connection_init(
+Connection * connection_init(
ber_socket_t s,
Listener *listener,
const char* dnsname,
const char* peername,
int flags,
slap_ssf_t ssf,
- struct berval *authid )
+ struct berval *authid
+ LDAP_PF_LOCAL_SENDMSG_ARG(struct berval *peerbv))
{
unsigned long id;
Connection *c;
+ int doinit = 0;
+ ber_socket_t sfd = SLAP_FD2SOCK(s);
assert( connections != NULL );
assert( peername != NULL );
#ifndef HAVE_TLS
- assert( flags != CONN_IS_TLS );
+ assert( !( flags & CONN_IS_TLS ));
#endif
if( s == AC_SOCKET_INVALID ) {
Debug( LDAP_DEBUG_ANY,
"connection_init: init of socket %ld invalid.\n", (long)s, 0, 0 );
- return -1;
+ return NULL;
}
assert( s >= 0 );
-#ifndef HAVE_WINSOCK
assert( s < dtblsize );
-#endif
-
- ldap_pvt_thread_mutex_lock( MCA_GET_CONN_MUTEX(s) );
-
-#ifndef HAVE_WINSOCK
- c = MCA_GET_CONNECTION(s);
-#else
- {
- ber_socket_t i;
- c = NULL;
-
- for( i=0; i < dtblsize; i++) {
- ber_socket_t sd;
-
- if( connections[i].c_struct_state == SLAP_C_UNINITIALIZED ) {
- assert( connections[i].c_sb == 0 );
- c = &connections[i];
- break;
- }
-
- sd = AC_SOCKET_INVALID;
- if (connections[i].c_sb != NULL) {
- ber_sockbuf_ctrl( connections[i].c_sb,
- LBER_SB_OPT_GET_FD, &sd );
- }
-
- if( connections[i].c_struct_state == SLAP_C_UNUSED ) {
- assert( sd == AC_SOCKET_INVALID );
- c = &connections[i];
- break;
- }
-
- if( connections[i].c_conn_state == SLAP_C_CLIENT ) {
- continue;
- }
-
- assert( connections[i].c_struct_state == SLAP_C_USED );
- assert( connections[i].c_conn_state != SLAP_C_INVALID );
- assert( sd != AC_SOCKET_INVALID );
- }
-
- if( c == NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "connection_init(%d): connection table full "
- "(%d/%d)\n", s, i, dtblsize);
- ldap_pvt_thread_mutex_unlock( &connections_mutex );
- return -1;
- }
+ c = &connections[s];
+ if( c->c_struct_state == SLAP_C_UNINITIALIZED ) {
+ doinit = 1;
+ } else {
+ assert( c->c_struct_state == SLAP_C_UNUSED );
}
-#endif
- assert( c != NULL );
-
- if( c->c_struct_state == SLAP_C_UNINITIALIZED ) {
+ if( doinit ) {
c->c_send_ldap_result = slap_send_ldap_result;
c->c_send_search_entry = slap_send_search_entry;
c->c_send_search_reference = slap_send_search_reference;
c->c_send_ldap_extended = slap_send_ldap_extended;
-#ifdef LDAP_RES_INTERMEDIATE
c->c_send_ldap_intermediate = slap_send_ldap_intermediate;
-#endif
BER_BVZERO( &c->c_authmech );
BER_BVZERO( &c->c_dn );
LDAP_STAILQ_INIT(&c->c_ops);
LDAP_STAILQ_INIT(&c->c_pending_ops);
+#ifdef LDAP_X_TXN
+ c->c_txn = CONN_TXN_INACTIVE;
+ c->c_txn_backend = NULL;
+ LDAP_STAILQ_INIT(&c->c_txn_ops);
+#endif
+
BER_BVZERO( &c->c_sasl_bind_mech );
c->c_sasl_done = 0;
c->c_sasl_authctx = NULL;
slapi_int_create_object_extensions( SLAPI_X_EXT_CONNECTION, c );
}
#endif
-
- c->c_struct_state = SLAP_C_UNUSED;
}
ldap_pvt_thread_mutex_lock( &c->c_mutex );
- assert( c->c_struct_state == SLAP_C_UNUSED );
assert( BER_BVISNULL( &c->c_authmech ) );
assert( BER_BVISNULL( &c->c_dn ) );
assert( BER_BVISNULL( &c->c_ndn ) );
assert( BER_BVISNULL( &c->c_peer_name ) );
assert( LDAP_STAILQ_EMPTY(&c->c_ops) );
assert( LDAP_STAILQ_EMPTY(&c->c_pending_ops) );
+#ifdef LDAP_X_TXN
+ assert( c->c_txn == CONN_TXN_INACTIVE );
+ assert( c->c_txn_backend == NULL );
+ assert( LDAP_STAILQ_EMPTY(&c->c_txn_ops) );
+#endif
assert( BER_BVISNULL( &c->c_sasl_bind_mech ) );
assert( c->c_sasl_done == 0 );
assert( c->c_sasl_authctx == NULL );
assert( c->c_writewaiter == 0);
c->c_listener = listener;
+ c->c_sd = s;
- if ( flags == CONN_IS_CLIENT ) {
+ if ( flags & CONN_IS_CLIENT ) {
+ c->c_connid = 0;
c->c_conn_state = SLAP_C_CLIENT;
c->c_struct_state = SLAP_C_USED;
c->c_close_reason = "?"; /* should never be needed */
- ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_FD, &s );
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_FD, &sfd );
ldap_pvt_thread_mutex_unlock( &c->c_mutex );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
- return 0;
+ return c;
}
ber_str2bv( dnsname, 0, 1, &c->c_peer_domain );
#ifdef LDAP_CONNECTIONLESS
c->c_is_udp = 0;
- if( flags == CONN_IS_UDP ) {
+ if( flags & CONN_IS_UDP ) {
c->c_is_udp = 1;
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_PROVIDER, (void*)"udp_" );
#endif
ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_udp,
- LBER_SBIOD_LEVEL_PROVIDER, (void *)&s );
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)&sfd );
ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_readahead,
LBER_SBIOD_LEVEL_PROVIDER, NULL );
} else
+#endif /* LDAP_CONNECTIONLESS */
+#ifdef LDAP_PF_LOCAL
+ if ( flags & CONN_IS_IPC ) {
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
+ LBER_SBIOD_LEVEL_PROVIDER, (void*)"ipc_" );
+#endif
+ ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_fd,
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)&sfd );
+#ifdef LDAP_PF_LOCAL_SENDMSG
+ if ( !BER_BVISEMPTY( peerbv ))
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_UNGET_BUF, peerbv );
#endif
+ } else
+#endif /* LDAP_PF_LOCAL */
{
#ifdef LDAP_DEBUG
ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_debug,
LBER_SBIOD_LEVEL_PROVIDER, (void*)"tcp_" );
#endif
ber_sockbuf_add_io( c->c_sb, &ber_sockbuf_io_tcp,
- LBER_SBIOD_LEVEL_PROVIDER, (void *)&s );
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)&sfd );
}
#ifdef LDAP_DEBUG
c->c_tls_ssf = 0;
#ifdef HAVE_TLS
- if ( flags == CONN_IS_TLS ) {
+ if ( flags & CONN_IS_TLS ) {
c->c_is_tls = 1;
c->c_needs_tls_accept = 1;
} else {
slap_sasl_open( c, 0 );
slap_sasl_external( c, ssf, authid );
+ slapd_add_internal( s, 1 );
ldap_pvt_thread_mutex_unlock( &c->c_mutex );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
backend_connection_init(c);
- return id;
+ return c;
}
void connection2anonymous( Connection *c )
static void
connection_destroy( Connection *c )
{
- /* note: connections_mutex should be locked by caller */
- ber_socket_t sd;
unsigned long connid;
const char *close_reason;
+ Sockbuf *sb;
+ ber_socket_t sd;
assert( connections != NULL );
assert( c != NULL );
assert( c->c_struct_state != SLAP_C_UNUSED );
assert( c->c_conn_state != SLAP_C_INVALID );
assert( LDAP_STAILQ_EMPTY(&c->c_ops) );
+ assert( LDAP_STAILQ_EMPTY(&c->c_pending_ops) );
+#ifdef LDAP_X_TXN
+ assert( c->c_txn == CONN_TXN_INACTIVE );
+ assert( c->c_txn_backend == NULL );
+ assert( LDAP_STAILQ_EMPTY(&c->c_txn_ops) );
+#endif
assert( c->c_writewaiter == 0);
/* only for stats (print -1 as "%lu" may give unexpected results ;) */
connid = c->c_connid;
close_reason = c->c_close_reason;
+ ldap_pvt_thread_mutex_lock( &connections_mutex );
+ c->c_struct_state = SLAP_C_PENDING;
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
+
backend_connection_destroy(c);
c->c_protocol = 0;
c->c_currentber = NULL;
}
- ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
- if ( sd != AC_SOCKET_INVALID ) {
- slapd_remove( sd, 1, 0 );
- Statslog( LDAP_DEBUG_STATS, (close_reason
- ? "conn=%lu fd=%ld closed (%s)\n"
- : "conn=%lu fd=%ld closed\n"),
- connid, (long) sd, close_reason, 0, 0 );
+#ifdef LDAP_SLAPI
+ /* call destructors, then constructors; avoids unnecessary allocation */
+ if ( slapi_plugins_used ) {
+ slapi_int_clear_object_extensions( SLAPI_X_EXT_CONNECTION, c );
}
+#endif
- ber_sockbuf_free( c->c_sb );
+ sd = c->c_sd;
+ c->c_sd = AC_SOCKET_INVALID;
+ c->c_conn_state = SLAP_C_INVALID;
+ c->c_struct_state = SLAP_C_UNUSED;
+ c->c_close_reason = "?"; /* should never be needed */
+ sb = c->c_sb;
c->c_sb = ber_sockbuf_alloc( );
-
{
ber_len_t max = sockbuf_max_incoming;
ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
}
- c->c_conn_state = SLAP_C_INVALID;
- c->c_struct_state = SLAP_C_UNUSED;
- c->c_close_reason = "?"; /* should never be needed */
+ /* c must be fully reset by this point; when we call slapd_remove
+ * it may get immediately reused by a new connection.
+ */
+ if ( sd != AC_SOCKET_INVALID ) {
+ slapd_remove( sd, sb, 1, 0, 0 );
-#ifdef LDAP_SLAPI
- /* call destructors, then constructors; avoids unnecessary allocation */
- if ( slapi_plugins_used ) {
- slapi_int_clear_object_extensions( SLAPI_X_EXT_CONNECTION, c );
+ if ( close_reason == NULL ) {
+ Statslog( LDAP_DEBUG_STATS, "conn=%lu fd=%ld closed\n",
+ connid, (long) sd, 0, 0, 0 );
+ } else {
+ Statslog( LDAP_DEBUG_STATS, "conn=%lu fd=%ld closed (%s)\n",
+ connid, (long) sd, close_reason, 0, 0 );
+ }
}
-#endif
}
int connection_state_closing( Connection *c )
op.o_conn = c;
op.o_connid = c->c_connid;
op.o_tag = LDAP_REQ_ABANDON;
+
for ( o = LDAP_STAILQ_FIRST( &c->c_ops ); o; o=next ) {
next = LDAP_STAILQ_NEXT( o, o_next );
op.orn_msgid = o->o_msgid;
frontendDB->be_abandon( &op, &rs );
}
+#ifdef LDAP_X_TXN
+ /* remove operations in pending transaction */
+ while ( (o = LDAP_STAILQ_FIRST( &c->c_txn_ops )) != NULL) {
+ LDAP_STAILQ_REMOVE_HEAD( &c->c_txn_ops, o_next );
+ LDAP_STAILQ_NEXT(o, o_next) = NULL;
+ slap_op_free( o, NULL );
+ }
+
+ /* clear transaction */
+ c->c_txn_backend = NULL;
+ c->c_txn = CONN_TXN_INACTIVE;
+#endif
+
/* remove pending operations */
while ( (o = LDAP_STAILQ_FIRST( &c->c_pending_ops )) != NULL) {
LDAP_STAILQ_REMOVE_HEAD( &c->c_pending_ops, o_next );
LDAP_STAILQ_NEXT(o, o_next) = NULL;
- slap_op_free( o );
+ slap_op_free( o, NULL );
}
}
/* c_mutex must be locked by caller */
if( c->c_conn_state != SLAP_C_CLOSING ) {
- ber_socket_t sd;
-
- ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
Debug( LDAP_DEBUG_TRACE,
"connection_closing: readying conn=%lu sd=%d for close\n",
- c->c_connid, sd, 0 );
+ c->c_connid, c->c_sd, 0 );
/* update state to closing */
c->c_conn_state = SLAP_C_CLOSING;
c->c_close_reason = why;
/* don't listen on this port anymore */
- slapd_clr_read( sd, 1 );
+ slapd_clr_read( c->c_sd, 0 );
/* abandon active operations */
connection_abandon( c );
/* wake write blocked operations */
- slapd_clr_write( sd, 1 );
if ( c->c_writewaiter ) {
ldap_pvt_thread_cond_signal( &c->c_write_cv );
+ /* ITS#4667 this may allow another thread to drop into
+ * connection_resched / connection_close before we
+ * finish, but that's OK.
+ */
+ slapd_clr_write( c->c_sd, 1 );
ldap_pvt_thread_mutex_unlock( &c->c_mutex );
- ldap_pvt_thread_yield();
+ ldap_pvt_thread_mutex_lock( &c->c_write_mutex );
ldap_pvt_thread_mutex_lock( &c->c_mutex );
+ ldap_pvt_thread_mutex_unlock( &c->c_write_mutex );
+ } else {
+ slapd_clr_write( c->c_sd, 1 );
}
+
} else if( why == NULL && c->c_close_reason == conn_lost_str ) {
/* Client closed connection after doing Unbind. */
c->c_close_reason = NULL;
}
}
-static void connection_close( Connection *c )
+static void
+connection_close( Connection *c )
{
- ber_socket_t sd;
-
assert( connections != NULL );
assert( c != NULL );
+
+ /* ITS#4667 we may have gotten here twice */
+ if ( c->c_conn_state == SLAP_C_INVALID )
+ return;
+
assert( c->c_struct_state == SLAP_C_USED );
assert( c->c_conn_state == SLAP_C_CLOSING );
- /* note: connections_mutex and c_mutex should be locked by caller */
+ /* NOTE: c_mutex should be locked by caller */
- ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_GET_FD, &sd );
- if( !LDAP_STAILQ_EMPTY(&c->c_ops) ) {
+ if ( !LDAP_STAILQ_EMPTY(&c->c_ops) ||
+ !LDAP_STAILQ_EMPTY(&c->c_pending_ops) )
+ {
Debug( LDAP_DEBUG_TRACE,
"connection_close: deferring conn=%lu sd=%d\n",
- c->c_connid, sd, 0 );
+ c->c_connid, c->c_sd, 0 );
return;
}
Debug( LDAP_DEBUG_TRACE, "connection_close: conn=%lu sd=%d\n",
- c->c_connid, sd, 0 );
+ c->c_connid, c->c_sd, 0 );
+
connection_destroy( c );
}
Connection* connection_first( ber_socket_t *index )
{
-#ifdef SLAP_MULTI_CONN_ARRAY
- int conn_array_id;
-#endif
-
assert( connections != NULL );
assert( index != NULL );
-#ifdef SLAP_MULTI_CONN_ARRAY
- for ( conn_array_id = 0;
- conn_array_id < NUM_CONNECTION_ARRAY;
- conn_array_id++ )
- {
- ldap_pvt_thread_mutex_lock( &connections_mutex[ conn_array_id ] );
- }
-#else
ldap_pvt_thread_mutex_lock( &connections_mutex );
-#endif
-
- *index = 0;
-
- return connection_next(NULL, index);
-}
-
-Connection* connection_next( Connection *c, ber_socket_t *index )
-#ifdef SLAP_MULTI_CONN_ARRAY
-{
- Connection* conn;
-
- assert( connections != NULL );
- assert( index != NULL );
- assert( *index <= (dtblsize/NUM_CONNECTION_ARRAY) );
-
- if( c != NULL ) {
- ldap_pvt_thread_mutex_unlock( &c->c_mutex );
- }
-
- c = NULL;
-
- for(; *index < dtblsize; (*index)++) {
- conn = MCA_GET_CONNECTION(*index);
- if( conn->c_struct_state == SLAP_C_UNINITIALIZED ) {
- assert( conn->c_conn_state == SLAP_C_INVALID );
-#ifndef HAVE_WINSOCK
- continue;
-#else
+ for( *index = 0; *index < dtblsize; (*index)++) {
+ if( connections[*index].c_struct_state != SLAP_C_UNINITIALIZED ) {
break;
-#endif
}
-
- if( conn->c_struct_state == SLAP_C_USED ) {
- assert( conn->c_conn_state != SLAP_C_INVALID );
- c = conn;
- (*index)++;
- break;
- }
-
- assert( conn->c_struct_state == SLAP_C_UNUSED );
- assert( conn->c_conn_state == SLAP_C_INVALID );
}
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
- if( c != NULL ) {
- ldap_pvt_thread_mutex_lock( &c->c_mutex );
- }
-
- return c;
-
+ return connection_next(NULL, index);
}
-#else
+
+Connection* connection_next( Connection *c, ber_socket_t *index )
{
assert( connections != NULL );
assert( index != NULL );
assert( *index <= dtblsize );
- if( c != NULL ) {
- ldap_pvt_thread_mutex_unlock( &c->c_mutex );
- }
+ if( c != NULL ) ldap_pvt_thread_mutex_unlock( &c->c_mutex );
c = NULL;
+ ldap_pvt_thread_mutex_lock( &connections_mutex );
for(; *index < dtblsize; (*index)++) {
+ int c_struct;
if( connections[*index].c_struct_state == SLAP_C_UNINITIALIZED ) {
assert( connections[*index].c_conn_state == SLAP_C_INVALID );
-#ifndef HAVE_WINSOCK
continue;
-#else
- break;
-#endif
}
if( connections[*index].c_struct_state == SLAP_C_USED ) {
assert( connections[*index].c_conn_state != SLAP_C_INVALID );
c = &connections[(*index)++];
+ if ( ldap_pvt_thread_mutex_trylock( &c->c_mutex )) {
+ /* avoid deadlock */
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
+ ldap_pvt_thread_mutex_lock( &c->c_mutex );
+ ldap_pvt_thread_mutex_lock( &connections_mutex );
+ if ( c->c_struct_state != SLAP_C_USED ) {
+ ldap_pvt_thread_mutex_unlock( &c->c_mutex );
+ c = NULL;
+ continue;
+ }
+ }
break;
}
- assert( connections[*index].c_struct_state == SLAP_C_UNUSED );
+ c_struct = connections[*index].c_struct_state;
+ if ( c_struct == SLAP_C_PENDING )
+ continue;
+ assert( c_struct == SLAP_C_UNUSED );
assert( connections[*index].c_conn_state == SLAP_C_INVALID );
}
- if( c != NULL ) {
- ldap_pvt_thread_mutex_lock( &c->c_mutex );
- }
-
+ ldap_pvt_thread_mutex_unlock( &connections_mutex );
return c;
}
-#endif
void connection_done( Connection *c )
{
-#ifdef SLAP_MULTI_CONN_ARRAY
- int conn_array_id;
-#endif
-
assert( connections != NULL );
- if( c != NULL ) {
- ldap_pvt_thread_mutex_unlock( &c->c_mutex );
- }
-
-#ifdef SLAP_MULTI_CONN_ARRAY
- for ( conn_array_id = 0;
- conn_array_id < NUM_CONNECTION_ARRAY;
- conn_array_id++ )
- {
- ldap_pvt_thread_mutex_unlock( &connections_mutex[ conn_array_id ] );
- }
-#else
- ldap_pvt_thread_mutex_unlock( &connections_mutex );
-#endif
+ if( c != NULL ) ldap_pvt_thread_mutex_unlock( &c->c_mutex );
}
/*
/* FIXME: returns 0 in case of failure */
#define INCR_OP_INITIATED(index) \
do { \
- ldap_pvt_thread_mutex_lock( &slap_counters.sc_ops_mutex ); \
- ldap_pvt_mp_add_ulong(slap_counters.sc_ops_initiated_[(index)], 1); \
- ldap_pvt_thread_mutex_unlock( &slap_counters.sc_ops_mutex ); \
+ ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex ); \
+ ldap_pvt_mp_add_ulong(op->o_counters->sc_ops_initiated_[(index)], 1); \
+ ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex ); \
} while (0)
#define INCR_OP_COMPLETED(index) \
do { \
- ldap_pvt_thread_mutex_lock( &slap_counters.sc_ops_mutex ); \
- ldap_pvt_mp_add_ulong(slap_counters.sc_ops_completed, 1); \
- ldap_pvt_mp_add_ulong(slap_counters.sc_ops_completed_[(index)], 1); \
- ldap_pvt_thread_mutex_unlock( &slap_counters.sc_ops_mutex ); \
+ ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex ); \
+ ldap_pvt_mp_add_ulong(op->o_counters->sc_ops_completed, 1); \
+ ldap_pvt_mp_add_ulong(op->o_counters->sc_ops_completed_[(index)], 1); \
+ ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex ); \
} while (0)
#else /* !SLAPD_MONITOR */
#define INCR_OP_INITIATED(index) do { } while (0)
#define INCR_OP_COMPLETED(index) \
do { \
- ldap_pvt_thread_mutex_lock( &slap_counters.sc_ops_mutex ); \
- ldap_pvt_mp_add_ulong(slap_counters.sc_ops_completed, 1); \
- ldap_pvt_thread_mutex_unlock( &slap_counters.sc_ops_mutex ); \
+ ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex ); \
+ ldap_pvt_mp_add_ulong(op->o_counters->sc_ops_completed, 1); \
+ ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex ); \
} while (0)
#endif /* !SLAPD_MONITOR */
/*
* NOTE: keep in sync with enum in slapd.h
*/
-static int (*opfun[])( Operation *op, SlapReply *rs ) = {
+static BI_op_func *opfun[] = {
do_bind,
do_unbind,
+ do_search,
+ do_compare,
+ do_modify,
+ do_modrdn,
do_add,
do_delete,
- do_modrdn,
- do_modify,
- do_compare,
- do_search,
do_abandon,
do_extended,
NULL
};
+/* Counters are per-thread, not per-connection.
+ */
+static void
+conn_counter_destroy( void *key, void *data )
+{
+ slap_counters_t **prev, *sc;
+
+ ldap_pvt_thread_mutex_lock( &slap_counters.sc_mutex );
+ for ( prev = &slap_counters.sc_next, sc = slap_counters.sc_next; sc;
+ prev = &sc->sc_next, sc = sc->sc_next ) {
+ if ( sc == data ) {
+ int i;
+
+ *prev = sc->sc_next;
+ /* Copy data to main counter */
+ ldap_pvt_mp_add( slap_counters.sc_bytes, sc->sc_bytes );
+ ldap_pvt_mp_add( slap_counters.sc_pdu, sc->sc_pdu );
+ ldap_pvt_mp_add( slap_counters.sc_entries, sc->sc_entries );
+ ldap_pvt_mp_add( slap_counters.sc_refs, sc->sc_refs );
+ ldap_pvt_mp_add( slap_counters.sc_ops_initiated, sc->sc_ops_initiated );
+ ldap_pvt_mp_add( slap_counters.sc_ops_completed, sc->sc_ops_completed );
+#ifdef SLAPD_MONITOR
+ for ( i = 0; i < SLAP_OP_LAST; i++ ) {
+ ldap_pvt_mp_add( slap_counters.sc_ops_initiated_[ i ], sc->sc_ops_initiated_[ i ] );
+ ldap_pvt_mp_add( slap_counters.sc_ops_initiated_[ i ], sc->sc_ops_completed_[ i ] );
+ }
+#endif /* SLAPD_MONITOR */
+ slap_counters_destroy( sc );
+ ber_memfree_x( data, NULL );
+ break;
+ }
+ }
+ ldap_pvt_thread_mutex_unlock( &slap_counters.sc_mutex );
+}
+
+static void
+conn_counter_init( Operation *op, void *ctx )
+{
+ slap_counters_t *sc;
+ void *vsc = NULL;
+
+ if ( ldap_pvt_thread_pool_getkey(
+ ctx, (void *)conn_counter_init, &vsc, NULL ) || !vsc ) {
+ vsc = ch_malloc( sizeof( slap_counters_t ));
+ sc = vsc;
+ slap_counters_init( sc );
+ ldap_pvt_thread_pool_setkey( ctx, (void*)conn_counter_init, vsc,
+ conn_counter_destroy, NULL, NULL );
+
+ ldap_pvt_thread_mutex_lock( &slap_counters.sc_mutex );
+ sc->sc_next = slap_counters.sc_next;
+ slap_counters.sc_next = sc;
+ ldap_pvt_thread_mutex_unlock( &slap_counters.sc_mutex );
+ }
+ op->o_counters = vsc;
+}
+
static void *
connection_operation( void *ctx, void *arg_v )
{
Operation *op = arg_v;
SlapReply rs = {REP_RESULT};
ber_tag_t tag = op->o_tag;
- int opidx = -1;
+ slap_op_t opidx = SLAP_OP_LAST;
Connection *conn = op->o_conn;
void *memctx = NULL;
void *memctx_null = NULL;
ber_len_t memsiz;
- ldap_pvt_thread_mutex_lock( &slap_counters.sc_ops_mutex );
+ conn_counter_init( op, ctx );
+ ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
/* FIXME: returns 0 in case of failure */
- ldap_pvt_mp_add_ulong(slap_counters.sc_ops_initiated, 1);
- ldap_pvt_thread_mutex_unlock( &slap_counters.sc_ops_mutex );
+ ldap_pvt_mp_add_ulong(op->o_counters->sc_ops_initiated, 1);
+ ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
op->o_threadctx = ctx;
+ op->o_tid = ldap_pvt_thread_pool_tid( ctx );
switch ( tag ) {
case LDAP_REQ_BIND:
goto operations_error;
}
+#ifdef LDAP_X_TXN
+ if (( conn->c_txn == CONN_TXN_SPECIFY ) && (
+ ( tag == LDAP_REQ_ADD ) ||
+ ( tag == LDAP_REQ_DELETE ) ||
+ ( tag == LDAP_REQ_MODIFY ) ||
+ ( tag == LDAP_REQ_MODRDN )))
+ {
+ /* Disable SLAB allocator for all update operations
+ issued inside of a transaction */
+ op->o_tmpmemctx = NULL;
+ op->o_tmpmfuncs = &ch_mfuncs;
+ } else
+#endif
+ {
/* We can use Thread-Local storage for most mallocs. We can
* also use TL for ber parsing, but not on Add or Modify.
*/
#endif
memsiz = SLAP_SLAB_SIZE;
- memctx = slap_sl_mem_create( memsiz, SLAP_SLAB_STACK, ctx );
+ memctx = slap_sl_mem_create( memsiz, SLAP_SLAB_STACK, ctx, 1 );
op->o_tmpmemctx = memctx;
op->o_tmpmfuncs = &slap_sl_mfuncs;
if ( tag != LDAP_REQ_ADD && tag != LDAP_REQ_MODIFY ) {
*/
ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, &memctx );
}
-
- switch ( tag ) {
- case LDAP_REQ_BIND:
- opidx = SLAP_OP_BIND;
- break;
-
- case LDAP_REQ_UNBIND:
- opidx = SLAP_OP_UNBIND;
- break;
-
- case LDAP_REQ_ADD:
- opidx = SLAP_OP_ADD;
- break;
-
- case LDAP_REQ_DELETE:
- opidx = SLAP_OP_DELETE;
- break;
-
- case LDAP_REQ_MODRDN:
- opidx = SLAP_OP_MODRDN;
- break;
-
- case LDAP_REQ_MODIFY:
- opidx = SLAP_OP_MODIFY;
- break;
-
- case LDAP_REQ_COMPARE:
- opidx = SLAP_OP_COMPARE;
- break;
-
- case LDAP_REQ_SEARCH:
- opidx = SLAP_OP_SEARCH;
- break;
-
- case LDAP_REQ_ABANDON:
- opidx = SLAP_OP_ABANDON;
- break;
-
- case LDAP_REQ_EXTENDED:
- opidx = SLAP_OP_EXTENDED;
- break;
-
- default:
- /* not reachable */
- assert( 0 );
}
- assert( opidx > -1 );
+ opidx = slap_req2op( tag );
+ assert( opidx != SLAP_OP_LAST );
INCR_OP_INITIATED( opidx );
rc = (*(opfun[opidx]))( op, &rs );
if ( rc == SLAPD_DISCONNECT ) {
tag = LBER_ERROR;
- } else if ( opidx > -1 ) {
+ } else if ( opidx != SLAP_OP_LAST ) {
/* increment completed operations count
* only if operation was initiated
* and rc != SLAPD_DISCONNECT */
}
if ( op->o_cancel == SLAP_CANCEL_REQ ) {
- if ( rc == SLAPD_ABANDON )
+ if ( rc == SLAPD_ABANDON ) {
op->o_cancel = SLAP_CANCEL_ACK;
- else
+ } else {
op->o_cancel = LDAP_TOO_LATE;
+ }
}
+
while ( op->o_cancel != SLAP_CANCEL_NONE &&
op->o_cancel != SLAP_CANCEL_DONE )
{
ber_set_option( op->o_ber, LBER_OPT_BER_MEMCTX, &memctx_null );
- LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next);
+ LDAP_STAILQ_REMOVE( &conn->c_ops, op, Operation, o_next);
LDAP_STAILQ_NEXT(op, o_next) = NULL;
- slap_op_free( op );
conn->c_n_ops_executing--;
conn->c_n_ops_completed++;
case LBER_ERROR:
case LDAP_REQ_UNBIND:
/* c_mutex is locked */
- connection_closing(
- conn, tag == LDAP_REQ_UNBIND ? NULL : "operations error" );
+ connection_closing( conn,
+ tag == LDAP_REQ_UNBIND ? NULL : "operations error" );
break;
-
- case LDAP_REQ_BIND:
- conn->c_sasl_bind_in_progress =
- rc == LDAP_SASL_BIND_IN_PROGRESS ? 1 : 0;
-
- if( conn->c_conn_state == SLAP_C_BINDING) {
- conn->c_conn_state = SLAP_C_ACTIVE;
- }
}
connection_resched( conn );
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ slap_op_free( op, ctx );
return NULL;
}
static const Listener dummy_list = { BER_BVC(""), BER_BVC("") };
-int connection_client_setup(
+Connection *connection_client_setup(
ber_socket_t s,
ldap_pvt_thread_start_t *func,
void *arg )
{
- int rc;
Connection *c;
+ ber_socket_t sfd = SLAP_SOCKNEW( s );
- rc = connection_init( s, (Listener *)&dummy_list, "", "",
- CONN_IS_CLIENT, 0, NULL );
- if ( rc < 0 ) return -1;
+ c = connection_init( sfd, (Listener *)&dummy_list, "", "",
+ CONN_IS_CLIENT, 0, NULL
+ LDAP_PF_LOCAL_SENDMSG_ARG(NULL));
+ if ( c ) {
+ c->c_clientfunc = func;
+ c->c_clientarg = arg;
- c = connection_get( s );
- c->c_clientfunc = func;
- c->c_clientarg = arg;
- connection_return( c );
- slapd_add_internal( s, 0 );
- slapd_set_read( s, 1 );
- return 0;
+ slapd_add_internal( sfd, 0 );
+ slapd_set_read( sfd, 1 );
+ }
+ return c;
}
void connection_client_enable(
- ber_socket_t s )
+ Connection *c )
{
- slapd_set_read( s, 1 );
+ slapd_set_read( c->c_sd, 1 );
}
void connection_client_stop(
- ber_socket_t s )
+ Connection *c )
{
- Connection *c;
+ Sockbuf *sb;
+ ber_socket_t s = c->c_sd;
/* get (locked) connection */
c = connection_get( s );
c->c_listener = NULL;
c->c_conn_state = SLAP_C_INVALID;
c->c_struct_state = SLAP_C_UNUSED;
+ c->c_sd = AC_SOCKET_INVALID;
c->c_close_reason = "?"; /* should never be needed */
- ber_sockbuf_free( c->c_sb );
+ sb = c->c_sb;
c->c_sb = ber_sockbuf_alloc( );
{
ber_len_t max = sockbuf_max_incoming;
ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_MAX_INCOMING, &max );
}
+ slapd_remove( s, sb, 0, 1, 0 );
connection_return( c );
- slapd_remove( s, 0, 1 );
}
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
+static int connection_read( ber_socket_t s, conn_readinfo *cri );
+
static void* connection_read_thread( void* ctx, void* argv )
{
int rc ;
- Operation* new_op = NULL;
- ber_socket_t s = (ber_socket_t)argv;
+ conn_readinfo cri = { NULL, NULL, NULL, NULL, 0 };
+ ber_socket_t s = (long)argv;
/*
* read incoming LDAP requests. If there is more than one,
* the first one is returned with new_op
*/
- if( ( rc = connection_read( s, &new_op ) ) < 0 ) {
- Debug( LDAP_DEBUG_TRACE, "connection_read(%d) error\n", s, 0, 0 );
- tcp_close( s );
- return (void*)rc;
+ cri.ctx = ctx;
+ if( ( rc = connection_read( s, &cri ) ) < 0 ) {
+ Debug( LDAP_DEBUG_CONNS, "connection_read(%d) error\n", s, 0, 0 );
+ return (void*)(long)rc;
}
- /* execute the queued request in the same thread */
- if( new_op ) {
- rc = (int)connection_operation(
- ldap_pvt_thread_pool_context(), new_op );
+ /* execute a single queued request in the same thread */
+ if( cri.op && !cri.nullop ) {
+ rc = (long)connection_operation( ctx, cri.op );
+ } else if ( cri.func ) {
+ rc = (long)cri.func( ctx, cri.arg );
}
- return (void*)rc;
+ return (void*)(long)rc;
}
int connection_read_activate( ber_socket_t s )
{
- int status;
+ int rc;
/*
* suspend reading on this file descriptor until a connection processing
* thread reads data on it. Otherwise the listener thread will repeatedly
* submit the same event on it to the pool.
*/
- if( !slapd_suspend( s ) ) return 0;
+ rc = slapd_clr_read( s, 0 );
+ if ( rc )
+ return rc;
- status = ldap_pvt_thread_pool_submit( &connection_pool,
- connection_read_thread, (void *) s );
+ rc = ldap_pvt_thread_pool_submit( &connection_pool,
+ connection_read_thread, (void *)(long)s );
- if( status != 0 ) {
- Debug( LDAP_DEBUG_ANY, "connection_processing_activiate(%d): "
- "ldap_pvt_thread_pool_submit failed\n",
- s, 0, 0 );
- return -1;
+ if( rc != 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "connection_read_activate(%d): submit failed (%d)\n",
+ s, rc, 0 );
}
- return 1;
+ return rc;
}
-#endif
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
-int connection_read( ber_socket_t s, Operation** op )
-#else
-int connection_read(ber_socket_t s)
-#endif
+static int
+connection_read( ber_socket_t s, conn_readinfo *cri )
{
int rc = 0;
Connection *c;
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- int need_resume = 1;
-#endif
assert( connections != NULL );
- ldap_pvt_thread_mutex_lock( MCA_GET_CONN_MUTEX(s) );
-
/* get (locked) connection */
c = connection_get( s );
Debug( LDAP_DEBUG_ANY,
"connection_read(%ld): no connection!\n",
(long) s, 0, 0 );
- slapd_remove(s, 1, 0);
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
return -1;
}
"connection_read(%d): closing, ignoring input for id=%lu\n",
s, c->c_connid, 0 );
connection_return( c );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
-
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- slapd_resume( s, 1 );
-#endif
return 0;
}
if ( c->c_conn_state == SLAP_C_CLIENT ) {
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- slapd_resume( s, 1 );
-#endif
- slapd_clr_read( s, 0 );
- ldap_pvt_thread_pool_submit( &connection_pool,
- c->c_clientfunc, c->c_clientarg );
-
+ cri->func = c->c_clientfunc;
+ cri->arg = c->c_clientarg;
+ /* read should already be cleared */
connection_return( c );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
return 0;
}
rc = ldap_pvt_tls_accept( c->c_sb, slap_tls_ctx );
if ( rc < 0 ) {
Debug( LDAP_DEBUG_TRACE,
- "connection_read(%d): TLS accept error "
+ "connection_read(%d): TLS accept failure "
"error=%d id=%lu, closing\n",
s, rc, c->c_connid );
c->c_needs_tls_accept = 0;
- /* connections_mutex and c_mutex are locked */
+ /* c_mutex is locked */
connection_closing( c, "TLS negotiation failure" );
-
-#if 0
- {
- struct timeval tv;
- fd_set rfd;
- /* Drain input before close, to allow SSL error codes
- * to propagate to client. */
- FD_ZERO(&rfd);
- FD_SET(s, &rfd);
- for (rc=1; rc>0;) {
- tv.tv_sec = 1;
- tv.tv_usec = 0;
- rc = select(s+1, &rfd, NULL, NULL, &tv);
- if (rc == 1) {
- ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DRAIN, NULL);
- }
- }
- }
-#endif
-
connection_close( c );
+ connection_return( c );
+ return 0;
} else if ( rc == 0 ) {
void *ssl;
}
/* if success and data is ready, fall thru to data input loop */
- if( rc != 0 ||
- !ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL ) )
+ if( !ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL ) )
{
+ slapd_set_read( s, 1 );
connection_return( c );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
-
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- slapd_resume( s, 1 );
-#endif
return 0;
}
}
if ( c->c_sasl_layers ) {
/* If previous layer is not removed yet, give up for now */
if ( !c->c_sasl_sockctx ) {
+ slapd_set_read( s, 1 );
connection_return( c );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
-
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- slapd_resume( s, 1 );
-#endif
return 0;
}
"error=%d id=%lu, closing\n",
s, rc, c->c_connid );
- /* connections_mutex and c_mutex are locked */
-
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- slapd_resume( s, 1 );
-#endif
+ /* c_mutex is locked */
connection_closing( c, "SASL layer install failure" );
connection_close( c );
connection_return( c );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
return 0;
}
}
do {
/* How do we do this without getting into a busy loop ? */
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- rc = connection_input( c, op );
-#else
- rc = connection_input( c );
-#endif
-
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- if( *op && (*op)->o_tag == LDAP_REQ_UNBIND ) {
- /*
- * After the reception of an unbind request,
- * no more incoming requests via the connection
- * is expected. Therefore, don't resume connection reading.
- */
- need_resume = 0;
- }
-#endif
+ rc = connection_input( c, cri );
}
#ifdef DATA_READY_LOOP
while( !rc && ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_DATA_READY, NULL ));
-#elif CONNECTION_INPUT_LOOP
+#elif defined CONNECTION_INPUT_LOOP
while(!rc);
#else
while(0);
#endif
if( rc < 0 ) {
- Debug( LDAP_DEBUG_TRACE,
+ Debug( LDAP_DEBUG_CONNS,
"connection_read(%d): input error=%d id=%lu, closing.\n",
s, rc, c->c_connid );
- /* connections_mutex and c_mutex are locked */
+ /* c_mutex is locked */
connection_closing( c, conn_lost_str );
connection_close( c );
connection_return( c );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
return 0;
}
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
- if ( need_resume ) slapd_resume( s, 1 );
-#endif
-
- if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_READ, NULL ) ) {
- slapd_set_read( s, 1 );
- }
-
if ( ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_NEEDS_WRITE, NULL ) ) {
- slapd_set_write( s, 1 );
+ slapd_set_write( s, 0 );
}
+ slapd_set_read( s, 1 );
connection_return( c );
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
return 0;
}
static int
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
-connection_input( Connection *conn , Operation** c_op )
-#else
-connection_input( Connection *conn )
-#endif
+connection_input( Connection *conn , conn_readinfo *cri )
{
Operation *op;
ber_tag_t tag;
char *cdn = NULL;
#endif
char *defer = NULL;
+ void *ctx;
if ( conn->c_currentber == NULL &&
( conn->c_currentber = ber_alloc()) == NULL )
return -1;
}
- errno = 0;
+ sock_errset(0);
#ifdef LDAP_CONNECTIONLESS
if ( conn->c_is_udp ) {
tag = ber_get_next( conn->c_sb, &len, conn->c_currentber );
if ( tag != LDAP_TAG_MESSAGE ) {
- int err = errno;
- ber_socket_t sd;
-
- ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
+ int err = sock_errno();
- Debug( LDAP_DEBUG_TRACE,
- "ber_get_next on fd %d failed errno=%d (%s)\n",
- sd, err, sock_errstr(err) );
if ( err != EWOULDBLOCK && err != EAGAIN ) {
/* log, close and send error */
+ Debug( LDAP_DEBUG_TRACE,
+ "ber_get_next on fd %d failed errno=%d (%s)\n",
+ conn->c_sd, err, sock_errstr(err) );
ber_free( conn->c_currentber, 1 );
conn->c_currentber = NULL;
connection_abandon( conn );
}
- op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ );
+ ctx = cri->ctx;
+ op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++, ctx );
op->o_conn = conn;
/* clear state if the connection is being reused from inactive */
} else {
conn->c_n_ops_executing++;
-#ifdef SLAP_LIGHTWEIGHT_LISTENER
/*
* The first op will be processed in the same thread context,
+ * as long as there is only one op total.
* Subsequent ops will be submitted to the pool by
* calling connection_op_activate()
*/
- if ( *c_op == NULL ) {
+ if ( cri->op == NULL ) {
/* the first incoming request */
connection_op_queue( op );
- *c_op = op;
- } else
-#endif
- {
+ cri->op = op;
+ } else {
+ if ( !cri->nullop ) {
+ cri->nullop = 1;
+ rc = ldap_pvt_thread_pool_submit( &connection_pool,
+ connection_operation, (void *) cri->op );
+ }
connection_op_activate( op );
}
}
Operation *op;
if( conn->c_conn_state == SLAP_C_CLOSING ) {
- int rc;
- ber_socket_t sd;
- ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
-
- /* use trylock to avoid possible deadlock */
- rc = ldap_pvt_thread_mutex_trylock( MCA_GET_CONN_MUTEX( sd ) );
-
- if( rc ) {
- Debug( LDAP_DEBUG_TRACE,
- "connection_resched: reaquiring locks conn=%lu sd=%d\n",
- conn->c_connid, sd, 0 );
- /*
- * reaquire locks in the right order...
- * this may allow another thread to close this connection,
- * so recheck state below.
- */
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
- ldap_pvt_thread_mutex_lock( MCA_GET_CONN_MUTEX ( sd ) );
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
- }
-
- if( conn->c_conn_state != SLAP_C_CLOSING ) {
- Debug( LDAP_DEBUG_TRACE, "connection_resched: "
- "closed by other thread conn=%lu sd=%d\n",
- conn->c_connid, sd, 0 );
- } else {
- Debug( LDAP_DEBUG_TRACE, "connection_resched: "
- "attempting closing conn=%lu sd=%d\n",
- conn->c_connid, sd, 0 );
- connection_close( conn );
- }
-
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX( sd ) );
+ Debug( LDAP_DEBUG_TRACE, "connection_resched: "
+ "attempting closing conn=%lu sd=%d\n",
+ conn->c_connid, conn->c_sd, 0 );
+ connection_close( conn );
return 0;
}
}
}
+static int connection_bind_cleanup_cb( Operation *op, SlapReply *rs )
+{
+ op->o_conn->c_sasl_bindop = NULL;
+
+ ch_free( op->o_callback );
+ op->o_callback = NULL;
+
+ return SLAP_CB_CONTINUE;
+}
+
+static int connection_bind_cb( Operation *op, SlapReply *rs )
+{
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+ if ( op->o_conn->c_conn_state == SLAP_C_BINDING )
+ op->o_conn->c_conn_state = SLAP_C_ACTIVE;
+ op->o_conn->c_sasl_bind_in_progress =
+ ( rs->sr_err == LDAP_SASL_BIND_IN_PROGRESS );
+
+ /* Moved here from bind.c due to ITS#4158 */
+ op->o_conn->c_sasl_bindop = NULL;
+ if ( op->orb_method == LDAP_AUTH_SASL ) {
+ if( rs->sr_err == LDAP_SUCCESS ) {
+ ber_dupbv(&op->o_conn->c_dn, &op->orb_edn);
+ if( !BER_BVISEMPTY( &op->orb_edn ) ) {
+ /* edn is always normalized already */
+ ber_dupbv( &op->o_conn->c_ndn, &op->o_conn->c_dn );
+ }
+ op->o_tmpfree( op->orb_edn.bv_val, op->o_tmpmemctx );
+ BER_BVZERO( &op->orb_edn );
+ op->o_conn->c_authmech = op->o_conn->c_sasl_bind_mech;
+ BER_BVZERO( &op->o_conn->c_sasl_bind_mech );
+
+ op->o_conn->c_sasl_ssf = op->orb_ssf;
+ if( op->orb_ssf > op->o_conn->c_ssf ) {
+ op->o_conn->c_ssf = op->orb_ssf;
+ }
+
+ if( !BER_BVISEMPTY( &op->o_conn->c_dn ) ) {
+ ber_len_t max = sockbuf_max_incoming_auth;
+ ber_sockbuf_ctrl( op->o_conn->c_sb,
+ LBER_SB_OPT_SET_MAX_INCOMING, &max );
+ }
+
+ /* log authorization identity */
+ Statslog( LDAP_DEBUG_STATS,
+ "%s BIND dn=\"%s\" mech=%s sasl_ssf=%d ssf=%d\n",
+ op->o_log_prefix,
+ BER_BVISNULL( &op->o_conn->c_dn ) ? "<empty>" : op->o_conn->c_dn.bv_val,
+ op->o_conn->c_authmech.bv_val,
+ op->orb_ssf, op->o_conn->c_ssf );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "do_bind: SASL/%s bind: dn=\"%s\" sasl_ssf=%d\n",
+ op->o_conn->c_authmech.bv_val,
+ BER_BVISNULL( &op->o_conn->c_dn ) ? "<empty>" : op->o_conn->c_dn.bv_val,
+ op->orb_ssf );
+
+ } else if ( rs->sr_err != LDAP_SASL_BIND_IN_PROGRESS ) {
+ if ( !BER_BVISNULL( &op->o_conn->c_sasl_bind_mech ) ) {
+ free( op->o_conn->c_sasl_bind_mech.bv_val );
+ BER_BVZERO( &op->o_conn->c_sasl_bind_mech );
+ }
+ }
+ }
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+
+ ch_free( op->o_callback );
+ op->o_callback = NULL;
+
+ return SLAP_CB_CONTINUE;
+}
+
static void connection_op_queue( Operation *op )
{
- int status;
ber_tag_t tag = op->o_tag;
if (tag == LDAP_REQ_BIND) {
+ slap_callback *sc = ch_calloc( 1, sizeof( slap_callback ));
+ sc->sc_response = connection_bind_cb;
+ sc->sc_cleanup = connection_bind_cleanup_cb;
+ sc->sc_next = op->o_callback;
+ op->o_callback = sc;
op->o_conn->c_conn_state = SLAP_C_BINDING;
}
static int connection_op_activate( Operation *op )
{
- int status;
- ber_tag_t tag = op->o_tag;
+ int rc;
connection_op_queue( op );
- status = ldap_pvt_thread_pool_submit( &connection_pool,
+ rc = ldap_pvt_thread_pool_submit( &connection_pool,
connection_operation, (void *) op );
- if ( status != 0 ) {
+ if ( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
- "ldap_pvt_thread_pool_submit: failed (%d) for conn=%lu\n",
- status, op->o_connid, 0 );
+ "connection_op_activate: submit failed (%d) for conn=%lu\n",
+ rc, op->o_connid, 0 );
/* should move op to pending list */
}
- return status;
+ return rc;
}
int connection_write(ber_socket_t s)
assert( connections != NULL );
- ldap_pvt_thread_mutex_lock( MCA_GET_CONN_MUTEX( s ) );
+ slapd_clr_write( s, 0 );
c = connection_get( s );
if( c == NULL ) {
Debug( LDAP_DEBUG_ANY,
"connection_write(%ld): no connection!\n",
(long)s, 0, 0 );
- slapd_remove(s, 1, 0);
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX( s ) );
return -1;
}
- slapd_clr_write( s, 0);
c->c_n_write++;
Debug( LDAP_DEBUG_TRACE,
break;
}
+
connection_return( c );
+ return 0;
+}
- ldap_pvt_thread_mutex_unlock( MCA_GET_CONN_MUTEX(s) );
+#ifdef LDAP_SLAPI
+typedef struct conn_fake_extblock {
+ void *eb_conn;
+ void *eb_op;
+} conn_fake_extblock;
- return 0;
+static void
+connection_fake_destroy(
+ void *key,
+ void *data )
+{
+ Connection conn = {0};
+ Operation op = {0};
+ Opheader ohdr = {0};
+
+ conn_fake_extblock *eb = data;
+
+ op.o_hdr = &ohdr;
+ op.o_hdr->oh_extensions = eb->eb_op;
+ conn.c_extensions = eb->eb_conn;
+ op.o_conn = &conn;
+ conn.c_connid = -1;
+ op.o_connid = -1;
+
+ ber_memfree_x( eb, NULL );
+ slapi_int_free_object_extensions( SLAPI_X_EXT_OPERATION, &op );
+ slapi_int_free_object_extensions( SLAPI_X_EXT_CONNECTION, &conn );
}
+#endif
void
connection_fake_init(
Connection *conn,
- Operation *op,
+ OperationBuffer *opbuf,
void *ctx )
{
+ connection_fake_init2( conn, opbuf, ctx, 1 );
+}
+
+void
+operation_fake_init(
+ Connection *conn,
+ Operation *op,
+ void *ctx,
+ int newmem )
+{
+ /* set memory context */
+ op->o_tmpmemctx = slap_sl_mem_create(SLAP_SLAB_SIZE, SLAP_SLAB_STACK, ctx,
+ newmem );
+ op->o_tmpmfuncs = &slap_sl_mfuncs;
+ op->o_threadctx = ctx;
+ op->o_tid = ldap_pvt_thread_pool_tid( ctx );
+
+ op->o_counters = &slap_counters;
+ op->o_conn = conn;
+ op->o_connid = op->o_conn->c_connid;
+ connection_init_log_prefix( op );
+}
+
+
+void
+connection_fake_init2(
+ Connection *conn,
+ OperationBuffer *opbuf,
+ void *ctx,
+ int newmem )
+{
+ Operation *op = (Operation *) opbuf;
+
conn->c_connid = -1;
+ conn->c_conn_idx = -1;
conn->c_send_ldap_result = slap_send_ldap_result;
conn->c_send_search_entry = slap_send_search_entry;
conn->c_send_search_reference = slap_send_search_reference;
conn->c_peer_domain = slap_empty_bv;
conn->c_peer_name = slap_empty_bv;
- memset(op, 0, OPERATION_BUFFER_SIZE);
- op->o_hdr = (Opheader *)(op+1);
- op->o_controls = (void **)(op->o_hdr+1);
- /* set memory context */
- op->o_tmpmemctx = slap_sl_mem_create(SLAP_SLAB_SIZE, SLAP_SLAB_STACK, ctx);
- op->o_tmpmfuncs = &slap_sl_mfuncs;
- op->o_threadctx = ctx;
+ memset( opbuf, 0, sizeof( *opbuf ));
+ op->o_hdr = &opbuf->ob_hdr;
+ op->o_controls = opbuf->ob_controls;
- op->o_conn = conn;
- op->o_connid = op->o_conn->c_connid;
- connection_init_log_prefix( op );
+ operation_fake_init( conn, op, ctx, newmem );
+
+#ifdef LDAP_SLAPI
+ if ( slapi_plugins_used ) {
+ conn_fake_extblock *eb;
+ void *ebx = NULL;
+
+ /* Use thread keys to make sure these eventually get cleaned up */
+ if ( ldap_pvt_thread_pool_getkey( ctx, (void *)connection_fake_init,
+ &ebx, NULL )) {
+ eb = ch_malloc( sizeof( *eb ));
+ slapi_int_create_object_extensions( SLAPI_X_EXT_CONNECTION, conn );
+ slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
+ eb->eb_conn = conn->c_extensions;
+ eb->eb_op = op->o_hdr->oh_extensions;
+ ldap_pvt_thread_pool_setkey( ctx, (void *)connection_fake_init,
+ eb, connection_fake_destroy, NULL, NULL );
+ } else {
+ eb = ebx;
+ conn->c_extensions = eb->eb_conn;
+ op->o_hdr->oh_extensions = eb->eb_op;
+ }
+ }
+#endif /* LDAP_SLAPI */
slap_op_time( &op->o_time, &op->o_tincr );
}
projects / openldap / blobdiff