]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/connection.c
remove all referral specific code; now referrals can be used by defining appropriate...
[openldap] / servers / slapd / connection.c
index d01e907d07328e581605e054561b5a813eb79a66..d59d403e7a09126e192d283251cbe8cc7965e3e6 100644 (file)
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -34,7 +34,6 @@
 #include <ac/time.h>
 #include <ac/unistd.h>
 
-#include "ldap_pvt.h"
 #include "lutil.h"
 #include "slap.h"
 
@@ -711,10 +710,20 @@ static void connection_abandon( Connection *c )
 {
        /* c_mutex must be locked by caller */
 
-       Operation *o;
-
-       LDAP_STAILQ_FOREACH(o, &c->c_ops, o_next) {
+       Operation *o, *next, op = {0};
+       Opheader ohdr = {0};
+       SlapReply rs = {0};
+
+       op.o_hdr = &ohdr;
+       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;
                o->o_abandon = 1;
+               op.o_bd = frontendDB;
+               frontendDB->be_abandon( &op, &rs );
        }
 
        /* remove pending operations */
@@ -863,43 +872,47 @@ void connection_done( Connection *c )
  */
 
 #ifdef SLAPD_MONITOR
-#ifdef HAVE_GMP
+/* FIXME: returns 0 in case of failure */
 #define INCR_OP_INITIATED(index) \
        do { \
                ldap_pvt_thread_mutex_lock( &slap_counters.sc_ops_mutex ); \
-               mpz_add_ui(slap_counters.sc_ops_initiated_[(index)], \
-                               slap_counters.sc_ops_initiated_[(index)], 1); \
+               ldap_pvt_mp_add_ulong(slap_counters.sc_ops_initiated_[(index)], 1); \
                ldap_pvt_thread_mutex_unlock( &slap_counters.sc_ops_mutex ); \
        } while (0)
 #define INCR_OP_COMPLETED(index) \
        do { \
                ldap_pvt_thread_mutex_lock( &slap_counters.sc_ops_mutex ); \
-               mpz_add_ui(slap_counters.sc_ops_completed, \
-                               slap_counters.sc_ops_completed, 1); \
-               mpz_add_ui(slap_counters.sc_ops_completed_[(index)], \
-                               slap_counters.sc_ops_completed_[(index)], 1); \
-               ldap_pvt_thread_mutex_unlock( &slap_counters.sc_ops_mutex ); \
-       } while (0)
-#else /* ! HAVE_GMP */
-#define INCR_OP_INITIATED(index) \
-       do { \
-               ldap_pvt_thread_mutex_lock( &slap_counters.sc_ops_mutex ); \
-               slap_counters.sc_ops_initiated_[(index)]++; \
+               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 ); \
        } while (0)
+#else /* !SLAPD_MONITOR */
+#define INCR_OP_INITIATED(index) 
 #define INCR_OP_COMPLETED(index) \
        do { \
                ldap_pvt_thread_mutex_lock( &slap_counters.sc_ops_mutex ); \
-               slap_counters.sc_ops_completed++; \
-               slap_counters.sc_ops_completed_[(index)]++; \
+               ldap_pvt_mp_add_ulong(slap_counters.sc_ops_completed, 1); \
                ldap_pvt_thread_mutex_unlock( &slap_counters.sc_ops_mutex ); \
        } while (0)
-#endif /* ! HAVE_GMP */
-#else /* !SLAPD_MONITOR */
-#define INCR_OP_INITIATED(index) 
-#define INCR_OP_COMPLETED(index) 
 #endif /* !SLAPD_MONITOR */
 
+/*
+ * NOTE: keep in sync with enum in slapd.h
+ */
+static int (*opfun[])( Operation *op, SlapReply *rs ) = {
+       do_bind,
+       do_unbind,
+       do_add,
+       do_delete,
+       do_modrdn,
+       do_modify,
+       do_compare,
+       do_search,
+       do_abandon,
+       do_extended,
+       NULL
+};
+
 static void *
 connection_operation( void *ctx, void *arg_v )
 {
@@ -907,20 +920,15 @@ connection_operation( void *ctx, void *arg_v )
        Operation *op = arg_v;
        SlapReply rs = {REP_RESULT};
        ber_tag_t tag = op->o_tag;
-#ifdef SLAPD_MONITOR
-       ber_tag_t oldtag = tag;
-#endif /* SLAPD_MONITOR */
+       int opidx = -1;
        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 );
-#ifdef HAVE_GMP
-       mpz_add_ui(slap_counters.sc_ops_initiated, slap_counters.sc_ops_initiated, 1);
-#else /* ! HAVE_GMP */
-       slap_counters.sc_ops_initiated++;
-#endif /* ! HAVE_GMP */
+       /* 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 );
 
        op->o_threadctx = ctx;
@@ -930,7 +938,7 @@ connection_operation( void *ctx, void *arg_v )
        case LDAP_REQ_UNBIND:
        case LDAP_REQ_ADD:
        case LDAP_REQ_DELETE:
-       case LDAP_REQ_MODRDN:
+       case LDAP_REQ_MODDN:
        case LDAP_REQ_MODIFY:
        case LDAP_REQ_COMPARE:
        case LDAP_REQ_SEARCH:
@@ -968,7 +976,7 @@ connection_operation( void *ctx, void *arg_v )
 #endif
        memsiz = SLAP_SLAB_SIZE;
 
-       memctx = slap_sl_mem_create( memsiz, ctx );
+       memctx = slap_sl_mem_create( memsiz, SLAP_SLAB_STACK, ctx );
        op->o_tmpmemctx = memctx;
        op->o_tmpmfuncs = &slap_sl_mfuncs;
        if ( tag != LDAP_REQ_ADD && tag != LDAP_REQ_MODIFY ) {
@@ -981,53 +989,43 @@ connection_operation( void *ctx, void *arg_v )
 
        switch ( tag ) {
        case LDAP_REQ_BIND:
-               INCR_OP_INITIATED(SLAP_OP_BIND);
-               rc = do_bind( op, &rs );
+               opidx = SLAP_OP_BIND;
                break;
 
        case LDAP_REQ_UNBIND:
-               INCR_OP_INITIATED(SLAP_OP_UNBIND);
-               rc = do_unbind( op, &rs );
+               opidx = SLAP_OP_UNBIND;
                break;
 
        case LDAP_REQ_ADD:
-               INCR_OP_INITIATED(SLAP_OP_ADD);
-               rc = do_add( op, &rs );
+               opidx = SLAP_OP_ADD;
                break;
 
        case LDAP_REQ_DELETE:
-               INCR_OP_INITIATED(SLAP_OP_DELETE);
-               rc = do_delete( op, &rs );
+               opidx = SLAP_OP_DELETE;
                break;
 
        case LDAP_REQ_MODRDN:
-               INCR_OP_INITIATED(SLAP_OP_MODRDN);
-               rc = do_modrdn( op, &rs );
+               opidx = SLAP_OP_MODRDN;
                break;
 
        case LDAP_REQ_MODIFY:
-               INCR_OP_INITIATED(SLAP_OP_MODIFY);
-               rc = do_modify( op, &rs );
+               opidx = SLAP_OP_MODIFY;
                break;
 
        case LDAP_REQ_COMPARE:
-               INCR_OP_INITIATED(SLAP_OP_COMPARE);
-               rc = do_compare( op, &rs );
+               opidx = SLAP_OP_COMPARE;
                break;
 
        case LDAP_REQ_SEARCH:
-               INCR_OP_INITIATED(SLAP_OP_SEARCH);
-               rc = do_search( op, &rs );
+               opidx = SLAP_OP_SEARCH;
                break;
 
        case LDAP_REQ_ABANDON:
-               INCR_OP_INITIATED(SLAP_OP_ABANDON);
-               rc = do_abandon( op, &rs );
+               opidx = SLAP_OP_ABANDON;
                break;
 
        case LDAP_REQ_EXTENDED:
-               INCR_OP_INITIATED(SLAP_OP_EXTENDED);
-               rc = do_extended( op, &rs );
+               opidx = SLAP_OP_EXTENDED;
                break;
 
        default:
@@ -1035,47 +1033,20 @@ connection_operation( void *ctx, void *arg_v )
                assert( 0 );
        }
 
+       assert( opidx > -1 );
+       INCR_OP_INITIATED( opidx );
+       rc = (*(opfun[opidx]))( op, &rs );
+
 operations_error:
-       if( rc == SLAPD_DISCONNECT ) tag = LBER_ERROR;
+       if ( rc == SLAPD_DISCONNECT ) {
+               tag = LBER_ERROR;
 
-#ifdef SLAPD_MONITOR
-       switch (oldtag) {
-       case LDAP_REQ_BIND:
-               INCR_OP_COMPLETED(SLAP_OP_BIND);
-               break;
-       case LDAP_REQ_UNBIND:
-               INCR_OP_COMPLETED(SLAP_OP_UNBIND);
-               break;
-       case LDAP_REQ_ADD:
-               INCR_OP_COMPLETED(SLAP_OP_ADD);
-               break;
-       case LDAP_REQ_DELETE:
-               INCR_OP_COMPLETED(SLAP_OP_DELETE);
-               break;
-       case LDAP_REQ_MODRDN:
-               INCR_OP_COMPLETED(SLAP_OP_MODRDN);
-               break;
-       case LDAP_REQ_MODIFY:
-               INCR_OP_COMPLETED(SLAP_OP_MODIFY);
-               break;
-       case LDAP_REQ_COMPARE:
-               INCR_OP_COMPLETED(SLAP_OP_COMPARE);
-               break;
-       case LDAP_REQ_SEARCH:
-               INCR_OP_COMPLETED(SLAP_OP_SEARCH);
-               break;
-       case LDAP_REQ_ABANDON:
-               INCR_OP_COMPLETED(SLAP_OP_ABANDON);
-               break;
-       case LDAP_REQ_EXTENDED:
-               INCR_OP_COMPLETED(SLAP_OP_EXTENDED);
-               break;
-       default:
-               /* not reachable */
-               assert( 0 );
+       } else if ( opidx > -1 ) {
+               /* increment completed operations count 
+                * only if operation was initiated
+                * and rc != SLAPD_DISCONNECT */
+               INCR_OP_COMPLETED( opidx );
        }
-#endif /* SLAPD_MONITOR */
-       ldap_pvt_thread_mutex_unlock( &slap_counters.sc_ops_mutex );
 
        if ( op->o_cancel == SLAP_CANCEL_REQ ) {
                op->o_cancel = LDAP_TOO_LATE;
@@ -1090,25 +1061,11 @@ operations_error:
 
        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 ) )
-       {
-               slap_sl_mem_detach( ctx, memctx );
-
-       } else if ( op->o_sync_slog_size != -1 ) {
-               slap_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;
-               slap_op_free( op );
-               conn->c_n_ops_executing--;
-               conn->c_n_ops_completed++;
-       }
+       LDAP_STAILQ_REMOVE( &conn->c_ops, op, slap_op, o_next);
+       LDAP_STAILQ_NEXT(op, o_next) = NULL;
+       slap_op_free( op );
+       conn->c_n_ops_executing--;
+       conn->c_n_ops_completed++;
 
        switch( tag ) {
        case LBER_ERROR:
@@ -1453,22 +1410,17 @@ connection_input(
        }
 #endif
        if(tag == LDAP_REQ_BIND) {
-               /* immediately abandon all exiting operations upon BIND */
+               /* immediately abandon all existing operations upon BIND */
                connection_abandon( conn );
        }
 
        op = slap_op_alloc( ber, msgid, tag, conn->c_n_ops_received++ );
 
        op->o_conn = conn;
-       op->o_assertion = 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;
 
@@ -1561,7 +1513,7 @@ connection_resched( Connection *conn )
                ber_socket_t    sd;
                ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
 
-               /* us trylock to avoid possible deadlock */
+               /* use trylock to avoid possible deadlock */
                rc = ldap_pvt_thread_mutex_trylock( &connections_mutex );
 
                if( rc ) {
@@ -1619,6 +1571,19 @@ connection_resched( Connection *conn )
        return 0;
 }
 
+static void
+connection_init_log_prefix( Operation *op )
+{
+       if ( op->o_connid == (unsigned long)(-1) ) {
+               snprintf( op->o_log_prefix, sizeof( op->o_log_prefix ),
+                               "conn=-1 op=%lu", op->o_opid );
+
+       } else {
+               snprintf( op->o_log_prefix, sizeof( op->o_log_prefix ),
+                               "conn=%lu op=%lu", op->o_connid, op->o_opid );
+       }
+}
+
 static int connection_op_activate( Operation *op )
 {
        int status;
@@ -1647,6 +1612,7 @@ static int connection_op_activate( Operation *op )
        }
 
        op->o_connid = op->o_conn->c_connid;
+       connection_init_log_prefix( op );
 
        LDAP_STAILQ_INSERT_TAIL( &op->o_conn->c_ops, op, o_next );
 
@@ -1673,8 +1639,6 @@ int connection_write(ber_socket_t s)
 
        c = connection_get( s );
 
-       slapd_clr_write( s, 0);
-
        if( c == NULL ) {
                Debug( LDAP_DEBUG_ANY,
                        "connection_write(%ld): no connection!\n",
@@ -1684,6 +1648,8 @@ int connection_write(ber_socket_t s)
                return -1;
        }
 
+       slapd_clr_write( s, 0);
+
        c->c_n_write++;
 
        Debug( LDAP_DEBUG_TRACE,
@@ -1716,13 +1682,17 @@ connection_fake_init(
        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, ctx );
+       op->o_tmpmemctx = slap_sl_mem_create(SLAP_SLAB_SIZE, SLAP_SLAB_STACK, ctx);
        op->o_tmpmfuncs = &slap_sl_mfuncs;
        op->o_threadctx = ctx;
 
        op->o_conn = conn;
        op->o_connid = op->o_conn->c_connid;
+       connection_init_log_prefix( op );
 
        op->o_time = slap_get_time();
 }