/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2003 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
/* protected by connections_mutex */
static ldap_pvt_thread_mutex_t connections_mutex;
static Connection *connections = NULL;
+
+static ldap_pvt_thread_mutex_t conn_nextid_mutex;
static unsigned long conn_nextid = 0;
/* structure state (protected by connections_mutex) */
*/
int connections_init(void)
{
+ int i;
+
assert( connections == NULL );
if( connections != NULL) {
/* should check return of every call */
ldap_pvt_thread_mutex_init( &connections_mutex );
+ ldap_pvt_thread_mutex_init( &conn_nextid_mutex );
connections = (Connection *) ch_calloc( dtblsize, sizeof(Connection) );
assert( connections[0].c_struct_state == SLAP_C_UNINITIALIZED );
assert( connections[dtblsize-1].c_struct_state == SLAP_C_UNINITIALIZED );
+ for (i=0; i<dtblsize; i++) connections[i].c_conn_idx = i;
+
/*
* per entry initialization of the Connection array initialization
* will be done by connection_init()
connections = NULL;
ldap_pvt_thread_mutex_destroy( &connections_mutex );
+ ldap_pvt_thread_mutex_destroy( &conn_nextid_mutex );
return 0;
}
ldap_pvt_thread_mutex_unlock( &c->c_mutex );
return NULL;
}
- if( c->c_conn_state == SLAP_C_CLIENT ) sd = 0;
#ifdef NEW_LOGGING
LDAP_LOG( CONNECTION, RESULTS,
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 ( flags == CONN_IS_CLIENT ) {
c->c_conn_state = SLAP_C_CLIENT;
c->c_struct_state = SLAP_C_USED;
+ ber_sockbuf_ctrl( c->c_sb, LBER_SB_OPT_SET_FD, &s );
ldap_pvt_thread_mutex_unlock( &c->c_mutex );
ldap_pvt_thread_mutex_unlock( &connections_mutex );
#endif
}
+ ldap_pvt_thread_mutex_lock( &conn_nextid_mutex );
id = c->c_connid = conn_nextid++;
+ ldap_pvt_thread_mutex_unlock( &conn_nextid_mutex );
c->c_conn_state = SLAP_C_INACTIVE;
c->c_struct_state = SLAP_C_USED;
Operation *o;
- LDAP_STAILQ_FOREACH(o, &c->c_ops, o_next) {
+ LDAP_STAILQ_FOREACH( o, &c->c_ops, o_next ) {
o->o_abandon = 1;
}
static void *
connection_operation( void *ctx, void *arg_v )
{
- int rc = SLAPD_DISCONNECT;
+ int rc = LDAP_OTHER;
Operation *op = arg_v;
SlapReply rs = {REP_RESULT};
ber_tag_t tag = op->o_tag;
op->o_threadctx = ctx;
+ switch ( tag ) {
+ case LDAP_REQ_BIND:
+ case LDAP_REQ_UNBIND:
+ case LDAP_REQ_ADD:
+ case LDAP_REQ_DELETE:
+ case LDAP_REQ_MODRDN:
+ case LDAP_REQ_MODIFY:
+ case LDAP_REQ_COMPARE:
+ case LDAP_REQ_SEARCH:
+ case LDAP_REQ_ABANDON:
+ case LDAP_REQ_EXTENDED:
+ break;
+ default:
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONNECTION, INFO, "connection_operation: "
+ "conn %lu unknown LDAP request 0x%lx\n",
+ conn->c_connid, tag, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "connection_operation: "
+ "conn %lu unknown LDAP request 0x%lx\n",
+ conn->c_connid, tag, 0 );
+#endif
+ op->o_tag = LBER_ERROR;
+ rs.sr_err = LDAP_PROTOCOL_ERROR;
+ rs.sr_text = "unknown LDAP request";
+ send_ldap_disconnect( op, &rs );
+ rc = SLAPD_DISCONNECT;
+ goto operations_error;
+ }
+
if( conn->c_sasl_bind_in_progress && tag != LDAP_REQ_BIND ) {
#ifdef NEW_LOGGING
LDAP_LOG( CONNECTION, ERR,
#endif
send_ldap_error( op, &rs, LDAP_OPERATIONS_ERROR,
"SASL bind in progress" );
+ rc = LDAP_OPERATIONS_ERROR;
goto operations_error;
}
break;
default:
-#ifdef NEW_LOGGING
- LDAP_LOG( CONNECTION, INFO,
- "connection_operation: conn %lu unknown LDAP request 0x%lx\n",
- conn->c_connid, tag, 0 );
-#else
- Debug( LDAP_DEBUG_ANY, "unknown LDAP request 0x%lx\n",
- tag, 0, 0 );
-#endif
- op->o_tag = LBER_ERROR;
- rs.sr_err = LDAP_PROTOCOL_ERROR;
- rs.sr_text = "unknown LDAP request";
- send_ldap_disconnect( op, &rs );
- rc = -1;
- break;
+ /* not reachable */
+ assert( 0 );
}
-#ifdef SLAPD_MONITOR
- oldtag = tag;
-#endif /* SLAPD_MONITOR */
+operations_error:
if( rc == SLAPD_DISCONNECT ) tag = LBER_ERROR;
-operations_error:
ldap_pvt_thread_mutex_lock( &num_ops_mutex );
+
num_ops_completed++;
#ifdef SLAPD_MONITOR
switch (oldtag) {
case LDAP_REQ_EXTENDED:
num_ops_completed_[SLAP_OP_EXTENDED]++;
break;
+ default:
+ /* this is reachable */
+ break;
}
#endif /* SLAPD_MONITOR */
ldap_pvt_thread_mutex_unlock( &num_ops_mutex );
if ( op->o_cancel == SLAP_CANCEL_REQ ) {
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 );
if ( op->o_cancel != SLAP_CANCEL_ACK &&
- ( op->o_sync_mode & SLAP_SYNC_PERSIST ) ) {
+ ( op->o_sync_mode & SLAP_SYNC_PERSIST ) )
+ {
sl_mem_detach( ctx, memctx );
- } else if (( op->o_sync_slog_size != -1 )) {
+
+ } else if ( op->o_sync_slog_size != -1 ) {
sl_mem_detach( ctx, memctx );
LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next);
LDAP_STAILQ_NEXT(op, o_next) = NULL;
conn->c_n_ops_executing--;
conn->c_n_ops_completed++;
+
} else {
LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next);
LDAP_STAILQ_NEXT(op, o_next) = NULL;
/* c_mutex is locked */
connection_closing( conn );
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 );
-
return NULL;
}
+static const Listener dummy_list = { BER_BVC(""), BER_BVC("") };
+
int connection_client_setup(
ber_socket_t s,
- Listener *l,
ldap_pvt_thread_start_t *func,
void *arg )
{
+ int rc;
Connection *c;
- if ( connection_init( s, l, "", "", CONN_IS_CLIENT, 0, NULL ) < 0 ) {
- return -1;
- }
+ rc = connection_init( s, (Listener *)&dummy_list, "", "",
+ CONN_IS_CLIENT, 0, NULL );
+ if ( rc < 0 ) return -1;
c = connection_get( s );
c->c_clientfunc = func;
}
void connection_client_enable(
- ber_socket_t s
-)
+ ber_socket_t s )
{
slapd_set_read( s, 1 );
}
void connection_client_stop(
- ber_socket_t s
-)
+ ber_socket_t s )
{
Connection *c;
#ifdef HAVE_TLS
if ( c->c_is_tls && c->c_needs_tls_accept ) {
- rc = ldap_pvt_tls_accept( c->c_sb, NULL );
+ rc = ldap_pvt_tls_accept( c->c_sb, slap_tls_ctx );
if ( rc < 0 ) {
#if 0 /* required by next #if 0 */
struct timeval tv;
} else if ( rc == 0 ) {
void *ssl;
- struct berval authid = { 0, NULL };
+ struct berval authid = BER_BVNULL;
c->c_needs_tls_accept = 0;
rc = dnX509peerNormalize( ssl, &authid );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
- LDAP_LOG( CONNECTION, INFO,
- "connection_read: conn %lu unable to get TLS client DN, "
- "error %d\n", c->c_connid, rc, 0 );
+ LDAP_LOG( CONNECTION, INFO, "connection_read: "
+ "conn %lu unable to get TLS client DN, error %d\n",
+ c->c_connid, rc, 0 );
#else
- Debug( LDAP_DEBUG_TRACE,
- "connection_read(%d): unable to get TLS client DN "
- "error=%d id=%lu\n",
- s, rc, c->c_connid );
+ Debug( LDAP_DEBUG_TRACE, "connection_read(%d): "
+ "unable to get TLS client DN, error=%d id=%lu\n",
+ s, rc, c->c_connid );
#endif
}
slap_sasl_external( c, c->c_tls_ssf, &authid );
static int
connection_input(
- Connection *conn
-)
+ Connection *conn )
{
Operation *op;
ber_tag_t tag;
Sockaddr peeraddr;
char *cdn = NULL;
#endif
+ char *defer = NULL;
if ( conn->c_currentber == NULL &&
( conn->c_currentber = ber_alloc()) == NULL )
op->o_preread_attrs = NULL;
op->o_postread_attrs = NULL;
op->o_vrFilter = NULL;
+ /* clear state if the connection is being reused from inactive */
+ if ( conn->c_conn_state == SLAP_C_INACTIVE ) {
+ memset( &conn->c_pagedresults_state, 0, sizeof( conn->c_pagedresults_state ) );
+ }
op->o_pagedresults_state = conn->c_pagedresults_state;
op->o_res_ber = NULL;
* Bind, or if it's closing. Also, don't let any single conn
* use up all the available threads, and don't execute if we're
* currently blocked on output. And don't execute if there are
- * already pending ops, let them go first.
- *
- * But always allow Abandon through; it won't cost much.
+ * already pending ops, let them go first. Abandon operations
+ * get exceptions to some, but not all, cases.
*/
- if ( tag != LDAP_REQ_ABANDON && (conn->c_conn_state == SLAP_C_BINDING
- || conn->c_conn_state == SLAP_C_CLOSING
- || conn->c_n_ops_executing >= connection_pool_max/2
- || conn->c_n_ops_pending
- || conn->c_writewaiter))
- {
+ if (tag != LDAP_REQ_ABANDON && conn->c_conn_state == SLAP_C_CLOSING) {
+ defer = "closing";
+ } else if (tag != LDAP_REQ_ABANDON && conn->c_writewaiter) {
+ defer = "awaiting write";
+ } else if (conn->c_n_ops_executing >= connection_pool_max/2) {
+ defer = "too many executing";
+ } else if (conn->c_conn_state == SLAP_C_BINDING) {
+ defer = "binding";
+ } else if (tag != LDAP_REQ_ABANDON && conn->c_n_ops_pending) {
+ defer = "pending operations";
+ }
+
+ if( defer ) {
int max = conn->c_dn.bv_len
? slap_conn_max_pending_auth
: slap_conn_max_pending;
#ifdef NEW_LOGGING
LDAP_LOG( CONNECTION, INFO,
- "connection_input: conn %lu deferring operation\n",
- conn->c_connid, 0, 0 );
+ "connection_input: conn %lu deferring operation: %s\n",
+ conn->c_connid, defer, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "connection_input: conn=%lu deferring operation\n",
- conn->c_connid, 0, 0 );
+ "connection_input: conn=%lu deferring operation: %s\n",
+ conn->c_connid, defer, 0 );
#endif
conn->c_n_ops_pending++;
LDAP_STAILQ_INSERT_TAIL( &conn->c_pending_ops, op, o_next );
return 0;
}
+static int connection_bind_cb( Operation *op, SlapReply *rs )
+{
+ slap_callback *cb = op->o_callback;
+ op->o_callback = cb->sc_next;
+
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+ op->o_conn->c_conn_state = SLAP_C_ACTIVE;
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+
+ ch_free( cb );
+ return SLAP_CB_CONTINUE;
+}
+
static int connection_op_activate( 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_next = op->o_callback;
+ op->o_callback = sc;
op->o_conn->c_conn_state = SLAP_C_BINDING;
}
return 0;
}
+void
+connection_fake_init(
+ Connection *conn,
+ Operation *op,
+ void *ctx )
+{
+ conn->c_connid = -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_listener = (Listener *)&dummy_list;
+ conn->c_peer_domain = slap_empty_bv;
+ conn->c_peer_name = slap_empty_bv;
+
+ /* set memory context */
+ op->o_tmpmemctx = sl_mem_create( SLMALLOC_SLAB_SIZE, ctx );
+ op->o_tmpmfuncs = &sl_mfuncs;
+ op->o_threadctx = ctx;
+
+ op->o_conn = conn;
+ op->o_connid = op->o_conn->c_connid;
+
+ op->o_time = slap_get_time();
+}
+
+void
+connection_assign_nextid( Connection *conn )
+{
+ ldap_pvt_thread_mutex_lock( &conn_nextid_mutex );
+ conn->c_connid = conn_nextid++;
+ ldap_pvt_thread_mutex_unlock( &conn_nextid_mutex );
+}
+
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