trace overlay: traces overlay execution

[openldap] / contrib / slapd-modules / trace / trace.c

diff --git a/contrib/slapd-modules/trace/trace.c b/contrib/slapd-modules/trace/trace.c
new file mode 100644 (file)
index 0000000..c4dfdb2
--- /dev/null
+++ b/contrib/slapd-modules/trace/trace.c
@@ -0,0 +1,212 @@
+/* trace.c - traces overlay invocation */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2006 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>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Pierangelo Masarati for inclusion in
+ * OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#ifdef SLAPD_OVER_TRACE
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+#include "lutil.h"
+
+static int
+trace_op2str( Operation *op, char **op_strp, char **op_oidp )
+{
+       *op_oidp = "";
+
+       switch ( op->o_tag ) {
+       case LDAP_REQ_BIND:
+               *op_strp = "BIND";
+               break;
+
+       case LDAP_REQ_UNBIND:
+               *op_strp = "UNBIND";
+               break;
+
+       case LDAP_REQ_SEARCH:
+               *op_strp = "SEARCH";
+               break;
+
+       case LDAP_REQ_MODIFY:
+               *op_strp = "MODIFY";
+               break;
+
+       case LDAP_REQ_ADD:
+               *op_strp = "ADD";
+               break;
+
+       case LDAP_REQ_DELETE:
+               *op_strp = "DELETE";
+               break;
+
+       case LDAP_REQ_MODRDN:
+               *op_strp = "MODRDN";
+               break;
+
+       case LDAP_REQ_COMPARE:
+               *op_strp = "COMPARE";
+               break;
+
+       case LDAP_REQ_ABANDON:
+               *op_strp = "ABANDON";
+               break;
+
+       case LDAP_REQ_EXTENDED:
+               *op_strp = "EXTENDED";
+               *op_oidp = op->ore_reqoid.bv_val;
+               break;
+
+       default:
+               assert( 0 );
+       }
+
+       return 0;
+}
+
+static int
+trace_op_func( Operation *op, SlapReply *rs )
+{
+       char    *op_str = NULL;
+       char    *op_oid = "";
+
+       (void)trace_op2str( op, &op_str, &op_oid );
+
+       Log4( LDAP_DEBUG_ANY, LDAP_LEVEL_INFO,
+               "%s trace op=%s oid=%s dn=\"%s\"\n",
+               op->o_log_prefix, op_str, op_oid,
+               BER_BVISNULL( &op->o_req_ndn ) ? "(null)" : op->o_req_ndn.bv_val );
+
+       return SLAP_CB_CONTINUE;
+}
+
+static int
+trace_response( Operation *op, SlapReply *rs )
+{
+       char    *op_str = NULL;
+       char    *op_oid = "";
+
+       (void)trace_op2str( op, &op_str, &op_oid );
+
+       Log5( LDAP_DEBUG_ANY, LDAP_LEVEL_INFO,
+               "%s trace op=%s RESPONSE oid=%s dn=\"%s\" err=%d\n",
+               op->o_log_prefix, op_str, op_oid,
+               BER_BVISNULL( &op->o_req_ndn ) ? "(null)" : op->o_req_ndn.bv_val,
+               rs->sr_err );
+
+       return SLAP_CB_CONTINUE;
+}
+
+static int
+trace_db_init(
+       BackendDB *be )
+{
+       Log0( LDAP_DEBUG_ANY, LDAP_LEVEL_INFO,
+               "trace DB_INIT\n" );
+
+       return 0;
+}
+
+static int
+trace_db_config(
+       BackendDB       *be,
+       const char      *fname,
+       int             lineno,
+       int             argc,
+       char            **argv )
+{
+       Log2( LDAP_DEBUG_ANY, LDAP_LEVEL_INFO,
+               "trace DB_CONFIG argc=%d argv[0]=\"%s\"\n",
+               argc, argv[ 0 ] );
+
+       return 0;
+}
+
+static int
+trace_db_open(
+       BackendDB *be )
+{
+       Log0( LDAP_DEBUG_ANY, LDAP_LEVEL_INFO,
+               "trace DB_OPEN\n" );
+
+       return 0;
+}
+
+static int
+trace_db_close(
+       BackendDB *be )
+{
+       Log0( LDAP_DEBUG_ANY, LDAP_LEVEL_INFO,
+               "trace DB_CLOSE\n" );
+
+       return 0;
+}
+
+static int
+trace_db_destroy(
+       BackendDB *be )
+{
+       Log0( LDAP_DEBUG_ANY, LDAP_LEVEL_INFO,
+               "trace DB_DESTROY\n" );
+
+       return 0;
+}
+
+static slap_overinst           trace;
+
+int
+trace_initialize()
+{
+       trace.on_bi.bi_type = "trace";
+
+       trace.on_bi.bi_db_init = trace_db_init;
+       trace.on_bi.bi_db_open = trace_db_open;
+       trace.on_bi.bi_db_config = trace_db_config;
+       trace.on_bi.bi_db_close = trace_db_close;
+       trace.on_bi.bi_db_destroy = trace_db_destroy;
+
+       trace.on_bi.bi_op_add = trace_op_func;
+       trace.on_bi.bi_op_bind = trace_op_func;
+       trace.on_bi.bi_op_unbind = trace_op_func;
+       trace.on_bi.bi_op_compare = trace_op_func;
+       trace.on_bi.bi_op_delete = trace_op_func;
+       trace.on_bi.bi_op_modify = trace_op_func;
+       trace.on_bi.bi_op_modrdn = trace_op_func;
+       trace.on_bi.bi_op_search = trace_op_func;
+       trace.on_bi.bi_op_abandon = trace_op_func;
+       trace.on_bi.bi_extended = trace_op_func;
+
+       trace.on_response = trace_response;
+
+       return overlay_register( &trace );
+}
+
+#if SLAPD_OVER_TRACE == SLAPD_MOD_DYNAMIC
+int
+init_module( int argc, char *argv[] )
+{
+       return trace_initialize();
+}
+#endif /* SLAPD_OVER_TRACE == SLAPD_MOD_DYNAMIC */
+
+#endif /* defined(SLAPD_OVER_TRACE) */