--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/agents/snmp/agent/pagent.c	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,147 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the 
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ *
+ * Copyright 1996 Sun Microsystems, Inc.  All Rights Reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"@(#)pagent.c	1.3	05/06/12 SMI"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include "impl.h"
+#include "error.h"
+#include "trace.h"
+#include "pdu.h"
+
+#include "pagent.h"
+#include "subtree.h"
+
+
+/***** STATIC VARIABLES *****/
+
+/* the agent list */
+Agent *first_agent = NULL;
+
+
+/***** STATIC FUNCTIONS *****/
+
+static void agent_free(Agent *ap);
+
+
+/****************************************************************/
+
+void trace_agents()
+{
+	Agent *ap;
+
+
+	trace("AGENTS:\n");
+	for(ap = first_agent; ap; ap = ap->next_agent)
+	{
+		trace("\t%-30s %-30s %8d\n",
+			ap->name,
+			address_string(&(ap->address)),
+			ap->timeout);
+	}
+	trace("\n");
+}
+
+
+/****************************************************************/
+
+/* We must invoke subtree_list_delete() before invoking	*/
+/* this function because the first_agent_subtree member	*/
+/* of the agent structures should be NULL		*/
+
+void agent_list_delete()
+{
+	Agent *ap = first_agent;
+	Agent *next;
+
+
+	while(ap)
+	{
+		next = ap->next_agent;
+
+		agent_free(ap);
+
+		ap = next;
+	}
+
+	first_agent = NULL;
+
+	return;
+}
+
+
+/****************************************************************/
+
+/* The fisrt_agent_subtree member of the agent		*/
+/* structure should be NULL				*/
+
+static void agent_free(Agent *ap)
+{
+	if(ap == NULL)
+	{
+		return;
+	}
+
+	if(ap->first_agent_subtree)
+	{
+		error("BUG: agent_free(): first_agent_subtree not NULL");
+	}
+
+	free(ap->name);
+	free(ap);
+
+	return;
+}
+
+/****************************************************************/
+
+/* agent_find() is used to check if we have not		*/
+/* two SNMP agents registered on the same UDP port	*/
+
+Agent *agent_find(Address *address)
+{
+	Agent *ap;
+
+
+	for(ap = first_agent; ap; ap = ap->next_agent)
+	{
+		if(ap->address.sin_port == address->sin_port)
+		{
+			return ap;
+		}
+	}
+
+	return NULL;
+}
+
+	
+/****************************************************************/
+