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Reuse connection_walk for client matters

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This commit is contained in:
Ondřej Kuzník 2018-04-20 13:46:34 +01:00
parent b4f43ed8e1
commit 3bd2d7483e
4 changed files with 17 additions and 37 deletions
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35
servers/lloadd/client.c
View File

@ -554,39 +554,10 @@ client_destroy( LloadConnection *c )
}
void
clients_destroy( void )
clients_destroy( int gentle )
{
ldap_pvt_thread_mutex_lock( &clients_mutex );
while ( !LDAP_CIRCLEQ_EMPTY( &clients ) ) {
LloadConnection *c = LDAP_CIRCLEQ_FIRST( &clients );
ldap_pvt_thread_mutex_unlock( &clients_mutex );
CONNECTION_LOCK(c);
/* We have shut down all processing, a dying connection connection
* should have been reclaimed by now! */
assert( c->c_live );
/* Upstream connections have already been destroyed, there should be no
* ops left */
assert( !c->c_ops );
CONNECTION_DESTROY(c);
ldap_pvt_thread_mutex_lock( &clients_mutex );
}
ldap_pvt_thread_mutex_unlock( &clients_mutex );
}
void
clients_walk( CONNCB apply, void *argv )
{
LloadConnection *c;
ldap_pvt_thread_mutex_lock( &clients_mutex );
if ( LDAP_CIRCLEQ_EMPTY( &clients ) ) {
ldap_pvt_thread_mutex_unlock( &clients_mutex );
return;
}
/* Todo is it possible to do this without holding this lock? */
LDAP_CIRCLEQ_FOREACH ( c, &clients, c_next ) {
apply( c, argv );
}
connections_walk(
&clients_mutex, &clients, lload_connection_close, &gentle );
ldap_pvt_thread_mutex_unlock( &clients_mutex );
}

5
servers/lloadd/daemon.c
View File

@ -1396,6 +1396,9 @@ lloadd_daemon( struct event_base *daemon_base )
ldap_pvt_thread_mutex_unlock( &b->b_mutex );
}
/* Do the same for clients */
clients_destroy( 1 );
for ( i = 0; i < lload_daemon_threads; i++ ) {
/*
* https://github.com/libevent/libevent/issues/623
@ -1420,7 +1423,7 @@ lloadd_daemon( struct event_base *daemon_base )
#endif
lload_backends_destroy();
clients_destroy();
clients_destroy( 0 );
lload_bindconf_free( &bindconf );
evdns_base_free( dnsbase, 0 );

11
servers/lloadd/monitor.c
View File

@ -548,7 +548,10 @@ lload_monitor_in_conn_create(
mp_parent = e_parent->e_private;
arg.ms = (monitor_subsys_t *)mp_parent->mp_info;
clients_walk( lload_monitor_in_conn_entry, &arg );
ldap_pvt_thread_mutex_lock( &clients_mutex );
connections_walk(
&clients_mutex, &clients, lload_monitor_in_conn_entry, &arg );
ldap_pvt_thread_mutex_unlock( &clients_mutex );
return 0;
}
@ -935,8 +938,12 @@ lload_monitor_update_global_stats( void *ctx, void *arg )
Debug( LDAP_DEBUG_TRACE, "lload_monitor_update_global_stats: "
"updating stats\n" );
/* count incoming connections */
clients_walk( lload_monitor_incoming_count, &tmp_stats );
ldap_pvt_thread_mutex_lock( &clients_mutex );
connections_walk( &clients_mutex, &clients, lload_monitor_incoming_count,
&tmp_stats );
ldap_pvt_thread_mutex_unlock( &clients_mutex );
LDAP_CIRCLEQ_FOREACH ( b, &backend, b_next ) {
ldap_pvt_thread_mutex_lock( &b->b_mutex );

3
servers/lloadd/proto-lload.h
View File

@ -63,8 +63,7 @@ LDAP_SLAPD_F (void) client_tls_handshake_cb( evutil_socket_t s, short what, void
LDAP_SLAPD_F (LloadConnection *) client_init( ber_socket_t s, LloadListener *url, const char *peername, struct event_base *base, int use_tls );
LDAP_SLAPD_F (void) client_reset( LloadConnection *c );
LDAP_SLAPD_F (void) client_destroy( LloadConnection *c );
LDAP_SLAPD_F (void) clients_destroy( void );
LDAP_SLAPD_F (void) clients_walk( CONNCB apply, void *argv );
LDAP_SLAPD_F (void) clients_destroy( int gentle );
/*
* config.c