File: qos_cb.c

package info (click to toggle)
kamailio 4.2.0-2%2Bdeb8u3
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 56,276 kB
  • sloc: ansic: 552,836; xml: 166,484; sh: 8,659; makefile: 7,676; sql: 6,235; perl: 3,487; yacc: 3,428; python: 1,457; cpp: 1,219; php: 1,047; java: 449; pascal: 194; cs: 40; awk: 27
file content (171 lines) | stat: -rw-r--r-- 3,771 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/*
 * $Id$
 *
 * Copyright (C) 2007 SOMA Networks, Inc.
 * Written by Ovidiu Sas (osas)
 *
 * This file is part of Kamailio, a free SIP server.
 *
 * Kamailio is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version
 *
 * Kamailio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * History:
 * --------
 *  2007-07-14  initial version (osas)
 */


#include "../../mem/shm_mem.h"
#include "../../dprint.h"
#include "qos_ctx_helpers.h"
#include "qos_cb.h"

static struct qos_head_cbl* create_cbs = 0;

static struct qos_cb_params params = {NULL, NULL, 0, NULL};

int init_qos_callbacks(void)
{
	create_cbs = (struct qos_head_cbl*)shm_malloc(sizeof(struct qos_head_cbl));
	if (create_cbs==0) {
		LM_ERR("no more shm mem\n");
		return -1;
	}
	create_cbs->first = 0;
	create_cbs->types = 0;
	return 0;
}


void destroy_qos_callbacks_list(struct qos_callback *cb)
{
	struct qos_callback *cb_t;

	while(cb) {
		cb_t = cb;
		cb = cb->next;
		/* FIXME - what about parameters ? */
		LM_DBG("freeing cp=%p\n", cb_t);
		shm_free(cb_t);
	}
}


void destroy_qos_callbacks(void)
{
	if (create_cbs==0)
		return;

	destroy_qos_callbacks_list(create_cbs->first);
	shm_free(create_cbs);
	create_cbs = 0;
}


int register_qoscb(qos_ctx_t *qos, int types, qos_cb f, void *param )
{
	struct qos_callback *cb;

	LM_DBG("registering qos CB\n");

	if ( types&QOSCB_CREATED ) {
		if (types!=QOSCB_CREATED) {
			LM_CRIT("QOSCB_CREATED type must be register alone!\n");
			return -1;
		}
	} else {
		if (qos==0) {
			LM_CRIT("non-QOSCB_CREATED type "
				"must be register to a qos (qos missing)!\n");
			return -1;
		}
	}
	cb = (struct qos_callback*)shm_malloc(sizeof(struct qos_callback));
	if (cb==0) {
		LM_ERR("no more shm mem\n");
		return -1;
	}

	LM_DBG("cb=%p\n", cb);

	cb->types = types;
	cb->callback = f;
	cb->param = param;

	if ( types&QOSCB_CREATED ) {
		cb->next = create_cbs->first;
		create_cbs->first = cb;
		create_cbs->types |= types;
	} else {
		cb->next = qos->cbs.first;
		qos->cbs.first = cb;
		qos->cbs.types |= types;
		LM_DBG("qos=%p qos->cbs=%p types=%d\n",
			qos, &(qos->cbs), qos->cbs.types);
	}

	return 0;
}


void run_create_cbs(struct qos_ctx_st *qos, struct sip_msg *msg)
{
	struct qos_callback *cb;

	if (create_cbs->first==0)
		return;

	params.msg = msg;
	/* avoid garbage due static structure */
	params.sdp = NULL;
	params.role = 0;
	params.param = NULL;

	for ( cb=create_cbs->first; cb; cb=cb->next)  {
		LM_DBG("qos=%p\n",qos);
		params.param = &cb->param;
		cb->callback( qos, QOSCB_CREATED, &params );
	}
	return;
}


void run_qos_callbacks(int type, struct qos_ctx_st *qos,
			struct qos_sdp_st *sdp, unsigned int role,
			struct sip_msg *msg)
{
	struct qos_callback *cb;

	if (qos == NULL)
		return;

	LM_DBG("qos=%p qos->cbs=%p, qos->cbs.types=%d\n",
		qos, &(qos->cbs),  qos->cbs.types);
	if (qos->cbs.first==0 || ((qos->cbs.types)&type)==0 )
		return;

	params.sdp = sdp;
	params.role = role;
	params.msg = msg;

	LM_DBG("searching in %p\n", qos->cbs.first);
	for ( cb=qos->cbs.first; cb; cb=cb->next)  {
		if ( (cb->types)&type ) {
			LM_DBG("qos=%p, type=%d\n", qos, type);
			params.param = &cb->param;
			cb->callback( qos, type, &params );
		}
	}
	return;
}