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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <stdlib.h>
28 #include <assert.h>
29 #include <errno.h>
30 #include <strings.h>
31 #include <pthread.h>
32 #include <sip.h>
33
34 #include "sip_msg.h"
35 #include "sip_miscdefs.h"
36 #include "sip_xaction.h"
37
38 /*
39 * Hold transaction
40 */
41 void
sip_hold_trans(sip_transaction_t sip_trans)42 sip_hold_trans(sip_transaction_t sip_trans)
43 {
44 sip_xaction_t *_trans;
45
46 if (sip_trans == NULL)
47 return;
48 _trans = (sip_xaction_t *)sip_trans;
49 (void) pthread_mutex_lock(&((_trans)->sip_xaction_mutex));
50 SIP_XACTION_REFCNT_INCR(_trans);
51 (void) pthread_mutex_unlock(&((_trans)->sip_xaction_mutex));
52 }
53
54 /*
55 * Release transaction
56 */
57 void
sip_release_trans(sip_transaction_t sip_trans)58 sip_release_trans(sip_transaction_t sip_trans)
59 {
60 sip_xaction_t *_trans;
61
62 if (sip_trans == NULL)
63 return;
64 _trans = (sip_xaction_t *)sip_trans;
65 SIP_XACTION_REFCNT_DECR(_trans);
66 }
67
68 /*
69 * Given a message get the client/server transaction. The caller is
70 * responsible for doing a sip_release_trans().
71 */
72 const struct sip_xaction *
sip_get_trans(sip_msg_t sip_msg,int which,int * error)73 sip_get_trans(sip_msg_t sip_msg, int which, int *error)
74 {
75 if (error != NULL)
76 *error = 0;
77 if (sip_msg == NULL) {
78 if (error != NULL)
79 *error = EINVAL;
80 return (NULL);
81 }
82 return ((sip_transaction_t)sip_xaction_get(NULL, sip_msg, B_FALSE,
83 which, NULL));
84 }
85
86 /*
87 * Get the last response sent for this transaction
88 */
89 const struct sip_message *
sip_get_trans_resp_msg(sip_transaction_t sip_trans,int * error)90 sip_get_trans_resp_msg(sip_transaction_t sip_trans, int *error)
91 {
92 sip_xaction_t *_trans;
93
94 if (error != NULL)
95 *error = 0;
96 if (sip_trans == NULL) {
97 if (error != NULL)
98 *error = EINVAL;
99 return (NULL);
100 }
101 _trans = (sip_xaction_t *)sip_trans;
102 if ((_trans->sip_xaction_last_msg != NULL) &&
103 !sip_msg_is_request((sip_msg_t)_trans->sip_xaction_last_msg,
104 error)) {
105 return (_trans->sip_xaction_last_msg);
106 } else if (!sip_msg_is_request((sip_msg_t)
107 _trans->sip_xaction_orig_msg, error)) {
108 return (_trans->sip_xaction_orig_msg);
109 }
110 return (NULL);
111 }
112
113 /*
114 * Get the SIP message that created this transaction
115 */
116 const struct sip_message *
sip_get_trans_orig_msg(sip_transaction_t sip_trans,int * error)117 sip_get_trans_orig_msg(sip_transaction_t sip_trans, int *error)
118 {
119 if (error != NULL)
120 *error = 0;
121 if (sip_trans == NULL) {
122 if (error != NULL)
123 *error = EINVAL;
124 return (NULL);
125 }
126 return (((sip_xaction_t *)sip_trans)->sip_xaction_orig_msg);
127 }
128
129 /*
130 * Get the connection object that was used to send the last message for this
131 * transaction.
132 */
133 const struct sip_conn_object *
sip_get_trans_conn_obj(sip_transaction_t sip_trans,int * error)134 sip_get_trans_conn_obj(sip_transaction_t sip_trans, int *error)
135 {
136 if (error != NULL)
137 *error = 0;
138 if (sip_trans == NULL) {
139 if (error != NULL)
140 *error = EINVAL;
141 return (NULL);
142 }
143 return (((sip_xaction_t *)sip_trans)->sip_xaction_conn_obj);
144 }
145
146 /*
147 * Get the transaction method
148 */
149 sip_method_t
sip_get_trans_method(sip_transaction_t sip_trans,int * error)150 sip_get_trans_method(sip_transaction_t sip_trans, int *error)
151 {
152 if (error != NULL)
153 *error = 0;
154
155 if (sip_trans == NULL) {
156 if (error != NULL)
157 *error = EINVAL;
158 return (-1);
159 }
160 return (((sip_xaction_t *)sip_trans)->sip_xaction_method);
161 }
162
163 /*
164 * Get the transaction id. Caller frees string
165 */
166 char *
sip_get_trans_branchid(sip_transaction_t trans,int * error)167 sip_get_trans_branchid(sip_transaction_t trans, int *error)
168 {
169 sip_xaction_t *xaction = (sip_xaction_t *)trans;
170 char *bid;
171
172 if (error != NULL)
173 *error = 0;
174 if (xaction == NULL || xaction->sip_xaction_branch_id == NULL) {
175 if (error != NULL)
176 *error = EINVAL;
177 return (NULL);
178 }
179 bid = malloc(strlen(xaction->sip_xaction_branch_id) + 1);
180 if (bid == NULL) {
181 if (error != NULL)
182 *error = ENOMEM;
183 return (NULL);
184 }
185 (void) strncpy(bid, xaction->sip_xaction_branch_id,
186 strlen(xaction->sip_xaction_branch_id));
187 bid[strlen(xaction->sip_xaction_branch_id)] = '\0';
188 return (bid);
189 }
190
191 /*
192 * Get the transaction state
193 */
194 int
sip_get_trans_state(sip_transaction_t trans,int * error)195 sip_get_trans_state(sip_transaction_t trans, int *error)
196 {
197 sip_xaction_t *xaction = (sip_xaction_t *)trans;
198
199 if (error != NULL)
200 *error = 0;
201 if (xaction == NULL) {
202 if (error != NULL)
203 *error = EINVAL;
204 return (0);
205 }
206 return (xaction->sip_xaction_state);
207 }
208