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comparison usr/src/cmd/agents/snmp/agent/pagent.c @ 0:c9caec207d52 b86

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Initial porting based on b86
author Koji Uno <koji.uno@sun.com>
date Tue, 02 Jun 2009 18:56:50 +0900
parents
children 1a15d5aaf794
comparison
equal deleted inserted replaced
-1:000000000000 0:c9caec207d52
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 *
22 * Copyright 1996 Sun Microsystems, Inc. All Rights Reserved.
23 * Use is subject to license terms.
24 */
25
26 #pragma ident "@(#)pagent.c 1.3 05/06/12 SMI"
27
28 #include <stdlib.h>
29 #include <stdio.h>
30 #include <sys/types.h>
31 #include <sys/socket.h>
32 #include <netinet/in.h>
33 #include <arpa/inet.h>
34
35 #include "impl.h"
36 #include "error.h"
37 #include "trace.h"
38 #include "pdu.h"
39
40 #include "pagent.h"
41 #include "subtree.h"
42
43
44 /***** STATIC VARIABLES *****/
45
46 /* the agent list */
47 Agent *first_agent = NULL;
48
49
50 /***** STATIC FUNCTIONS *****/
51
52 static void agent_free(Agent *ap);
53
54
55 /****************************************************************/
56
57 void trace_agents()
58 {
59 Agent *ap;
60
61
62 trace("AGENTS:\n");
63 for(ap = first_agent; ap; ap = ap->next_agent)
64 {
65 trace("\t%-30s %-30s %8d\n",
66 ap->name,
67 address_string(&(ap->address)),
68 ap->timeout);
69 }
70 trace("\n");
71 }
72
73
74 /****************************************************************/
75
76 /* We must invoke subtree_list_delete() before invoking */
77 /* this function because the first_agent_subtree member */
78 /* of the agent structures should be NULL */
79
80 void agent_list_delete()
81 {
82 Agent *ap = first_agent;
83 Agent *next;
84
85
86 while(ap)
87 {
88 next = ap->next_agent;
89
90 agent_free(ap);
91
92 ap = next;
93 }
94
95 first_agent = NULL;
96
97 return;
98 }
99
100
101 /****************************************************************/
102
103 /* The fisrt_agent_subtree member of the agent */
104 /* structure should be NULL */
105
106 static void agent_free(Agent *ap)
107 {
108 if(ap == NULL)
109 {
110 return;
111 }
112
113 if(ap->first_agent_subtree)
114 {
115 error("BUG: agent_free(): first_agent_subtree not NULL");
116 }
117
118 free(ap->name);
119 free(ap);
120
121 return;
122 }
123
124 /****************************************************************/
125
126 /* agent_find() is used to check if we have not */
127 /* two SNMP agents registered on the same UDP port */
128
129 Agent *agent_find(Address *address)
130 {
131 Agent *ap;
132
133
134 for(ap = first_agent; ap; ap = ap->next_agent)
135 {
136 if(ap->address.sin_port == address->sin_port)
137 {
138 return ap;
139 }
140 }
141
142 return NULL;
143 }
144
145
146 /****************************************************************/
147