kernel-interface: Raise mapping event with a proto/SPI/dst tuple
[strongswan.git] / src / libcharon / processing / jobs / retransmit_job.c
1 /*
2 * Copyright (C) 2005-2007 Martin Willi
3 * Copyright (C) 2005 Jan Hutter
4 * Hochschule fuer Technik Rapperswil
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 */
16
17 #include "retransmit_job.h"
18
19 #include <daemon.h>
20
21 typedef struct private_retransmit_job_t private_retransmit_job_t;
22
23 /**
24 * Private data of an retransmit_job_t Object.
25 */
26 struct private_retransmit_job_t {
27 /**
28 * Public retransmit_job_t interface.
29 */
30 retransmit_job_t public;
31
32 /**
33 * Message ID of the request to resend.
34 */
35 u_int32_t message_id;
36
37 /**
38 * ID of the IKE_SA which the message belongs to.
39 */
40 ike_sa_id_t *ike_sa_id;
41 };
42
43 METHOD(job_t, destroy, void,
44 private_retransmit_job_t *this)
45 {
46 this->ike_sa_id->destroy(this->ike_sa_id);
47 free(this);
48 }
49
50 METHOD(job_t, execute, job_requeue_t,
51 private_retransmit_job_t *this)
52 {
53 ike_sa_t *ike_sa;
54
55 ike_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
56 this->ike_sa_id);
57 if (ike_sa)
58 {
59 if (ike_sa->retransmit(ike_sa, this->message_id) == DESTROY_ME)
60 {
61 /* retransmitted to many times, giving up */
62 charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager,
63 ike_sa);
64 }
65 else
66 {
67 charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
68 }
69 }
70 return JOB_REQUEUE_NONE;
71 }
72
73 METHOD(job_t, get_priority, job_priority_t,
74 private_retransmit_job_t *this)
75 {
76 return JOB_PRIO_HIGH;
77 }
78
79 /*
80 * Described in header.
81 */
82 retransmit_job_t *retransmit_job_create(u_int32_t message_id,ike_sa_id_t *ike_sa_id)
83 {
84 private_retransmit_job_t *this;
85
86 INIT(this,
87 .public = {
88 .job_interface = {
89 .execute = _execute,
90 .get_priority = _get_priority,
91 .destroy = _destroy,
92 },
93 },
94 .message_id = message_id,
95 .ike_sa_id = ike_sa_id->clone(ike_sa_id),
96 );
97
98 return &this->public;
99 }