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implement search timeout when the remote server does not respond in the specified timeout

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This commit is contained in:
Pierangelo Masarati 2007-01-26 00:40:54 +00:00
parent ecc28ff57c
commit 5a228fa87a
2 changed files with 31 additions and 5 deletions
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2
servers/slapd/back-ldap/config.c
View file

@ -381,9 +381,7 @@ static slap_cf_aux_table timeout_table[] = {
{ BER_BVC("modrdn="), SLAP_OP_MODRDN * sizeof( time_t ), 'u', 0, NULL },
{ BER_BVC("modify="), SLAP_OP_MODIFY * sizeof( time_t ), 'u', 0, NULL },
{ BER_BVC("compare="), SLAP_OP_COMPARE * sizeof( time_t ), 'u', 0, NULL },
#if 0 /* uses timelimit instead */
{ BER_BVC("search="), SLAP_OP_SEARCH * sizeof( time_t ), 'u', 0, NULL },
#endif
/* abandon makes little sense */
#if 0 /* not implemented yet */
{ BER_BVC("extended="), SLAP_OP_EXTENDED * sizeof( time_t ), 'u', 0, NULL },

34
servers/slapd/back-ldap/search.c
View file

@ -256,12 +256,20 @@ retry:
}
}
/* if needed, initialize timeout */
if ( li->li_timeout[ SLAP_OP_SEARCH ] ) {
if ( tv.tv_sec == 0 || tv.tv_sec > li->li_timeout[ SLAP_OP_SEARCH ] ) {
tv.tv_sec = li->li_timeout[ SLAP_OP_SEARCH ];
tv.tv_usec = 0;
}
}
/* We pull apart the ber result, stuff it into a slapd entry, and
* let send_search_entry stuff it back into ber format. Slow & ugly,
* but this is necessary for version matching, and for ACL processing.
*/
for ( rc = 0; rc != -1; rc = ldap_result( lc->lc_ld, msgid, LDAP_MSG_ONE, &tv, &res ) )
for ( rc = -2; rc != -1; rc = ldap_result( lc->lc_ld, msgid, LDAP_MSG_ONE, &tv, &res ) )
{
/* check for abandon */
if ( op->o_abandon || LDAP_BACK_CONN_ABANDON( lc ) ) {
@ -273,10 +281,22 @@ retry:
goto finish;
}
if ( rc == 0 ) {
LDAP_BACK_TV_SET( &tv );
if ( rc == 0 || rc == -2 ) {
ldap_pvt_thread_yield();
/* check timeout */
if ( li->li_timeout[ SLAP_OP_SEARCH ] ) {
if ( rc == 0 ) {
(void)ldap_back_cancel( lc, op, rs, msgid, LDAP_BACK_DONTSEND );
rs->sr_text = "Operation timed out";
rc = rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
goto finish;
}
} else {
LDAP_BACK_TV_SET( &tv );
}
/* check time limit */
if ( op->ors_tlimit != SLAP_NO_LIMIT
&& slap_get_time() > stoptime )
@ -437,6 +457,14 @@ retry:
rc = 0;
break;
}
/* if needed, restore timeout */
if ( li->li_timeout[ SLAP_OP_SEARCH ] ) {
if ( tv.tv_sec == 0 || tv.tv_sec > li->li_timeout[ SLAP_OP_SEARCH ] ) {
tv.tv_sec = li->li_timeout[ SLAP_OP_SEARCH ];
tv.tv_usec = 0;
}
}
}
if ( rc == -1 && dont_retry == 0 ) {