Adding upstream version 2.5.13+dfsg.upstream/2.5.13+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 185 insertions, 0 deletions

diff --git a/servers/lloadd/module_init.c b/servers/lloadd/module_init.c
new file mode 100644
index 0000000..1475538
--- /dev/null
+++ b/servers/lloadd/module_init.c
@@ -0,0 +1,185 @@
+/* module_init.c - module initialization functions */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2022 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+
+#include "../servers/slapd/slap.h"
+#include "../servers/slapd/slap-config.h"
+
+#include "lload.h"
+#include "lber_pvt.h"
+
+#include "ldap_rq.h"
+
+ldap_pvt_thread_t lloadd_main_thread;
+struct lload_conf_info lload_info;
+
+void *
+lload_start_daemon( void *arg )
+{
+    int rc = 0;
+
+    daemon_base = event_base_new();
+    if ( !daemon_base ) {
+        Debug( LDAP_DEBUG_ANY, "lload_start_daemon: "
+                "main event base allocation failed\n" );
+        rc = 1;
+        goto done;
+    }
+
+    rc = lloadd_daemon( daemon_base );
+done:
+    if ( rc != LDAP_SUCCESS ) {
+        assert( lloadd_inited == 0 );
+        checked_lock( &lload_wait_mutex );
+        ldap_pvt_thread_cond_signal( &lload_wait_cond );
+        checked_unlock( &lload_wait_mutex );
+    }
+    return (void *)(uintptr_t)rc;
+}
+
+static int
+lload_pause_cb( BackendInfo *bi )
+{
+    if ( daemon_base ) {
+        lload_pause_server();
+    }
+    return 0;
+}
+
+static int
+lload_unpause_cb( BackendInfo *bi )
+{
+    if ( daemon_base ) {
+        lload_unpause_server();
+    }
+    return 0;
+}
+
+int
+lload_back_open( BackendInfo *bi )
+{
+    int rc = 0;
+
+    if ( slapMode & SLAP_TOOL_MODE ) {
+        return 0;
+    }
+
+    /* This will fail if we ever try to instantiate more than one lloadd within
+     * the process */
+    epoch_init();
+
+    if ( lload_tls_init() != 0 ) {
+        return -1;
+    }
+
+    if ( lload_monitor_open() != 0 ) {
+        return -1;
+    }
+
+    assert( lloadd_get_listeners() );
+
+    checked_lock( &lload_wait_mutex );
+    rc = ldap_pvt_thread_create( &lloadd_main_thread,
+            0, lload_start_daemon, NULL );
+    if ( !rc ) {
+        ldap_pvt_thread_cond_wait( &lload_wait_cond, &lload_wait_mutex );
+        if ( lloadd_inited != 1 ) {
+            ldap_pvt_thread_join( lloadd_main_thread, (void *)NULL );
+            rc = -1;
+        }
+    }
+    checked_unlock( &lload_wait_mutex );
+    return rc;
+}
+
+int
+lload_back_close( BackendInfo *bi )
+{
+    if ( slapMode & SLAP_TOOL_MODE ) {
+        return 0;
+    }
+
+    assert( lloadd_inited == 1 );
+
+    checked_lock( &lload_wait_mutex );
+    event_base_loopexit( daemon_base, NULL );
+    ldap_pvt_thread_cond_wait( &lload_wait_cond, &lload_wait_mutex );
+    checked_unlock( &lload_wait_mutex );
+    ldap_pvt_thread_join( lloadd_main_thread, (void *)NULL );
+
+    return 0;
+}
+
+int
+lload_back_initialize( BackendInfo *bi )
+{
+    bi->bi_flags = SLAP_BFLAG_STANDALONE;
+    bi->bi_open = lload_back_open;
+    bi->bi_config = config_generic_wrapper;
+    bi->bi_pause = lload_pause_cb;
+    bi->bi_unpause = lload_unpause_cb;
+    bi->bi_close = lload_back_close;
+    bi->bi_destroy = 0;
+
+    bi->bi_db_init = 0;
+    bi->bi_db_config = 0;
+    bi->bi_db_open = 0;
+    bi->bi_db_close = 0;
+    bi->bi_db_destroy = 0;
+
+    bi->bi_op_bind = 0;
+    bi->bi_op_unbind = 0;
+    bi->bi_op_search = 0;
+    bi->bi_op_compare = 0;
+    bi->bi_op_modify = 0;
+    bi->bi_op_modrdn = 0;
+    bi->bi_op_add = 0;
+    bi->bi_op_delete = 0;
+    bi->bi_op_abandon = 0;
+
+    bi->bi_extended = 0;
+
+    bi->bi_chk_referrals = 0;
+
+    bi->bi_connection_init = 0;
+    bi->bi_connection_destroy = 0;
+
+    if ( lload_global_init() ) {
+        return -1;
+    }
+
+    bi->bi_private = &lload_info;
+    return lload_back_init_cf( bi );
+}
+
+SLAP_BACKEND_INIT_MODULE( lload )