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
172
|
/**
* @file mwi.c Message Waiting Indication (RFC 3842)
*
* Copyright (C) 2010 - 2015 Creytiv.com
*/
#include <string.h>
#include <re.h>
#include <baresip.h>
/**
* @defgroup mwi mwi
*
* Message Waiting Indication
*
*/
struct mwi {
struct le le;
struct sipsub *sub;
struct ua *ua;
};
static struct tmr tmr;
static struct list mwil;
static void destructor(void *arg)
{
struct mwi *mwi = arg;
list_unlink(&mwi->le);
mem_deref(mwi->sub);
}
static int auth_handler(char **username, char **password,
const char *realm, void *arg)
{
struct account *acc = arg;
return account_auth(acc, username, password, realm);
}
static void notify_handler(struct sip *sip, const struct sip_msg *msg,
void *arg)
{
struct mwi *mwi = arg;
if (mbuf_get_left(msg->mb)) {
ui_output("----- MWI for %s -----\n", ua_aor(mwi->ua));
ui_output("%b\n", mbuf_buf(msg->mb), mbuf_get_left(msg->mb));
}
(void)sip_treply(NULL, sip, msg, 200, "OK");
}
static void close_handler(int err, const struct sip_msg *msg,
const struct sipevent_substate *substate,
void *arg)
{
struct mwi *mwi = arg;
(void)substate;
info("mwi: subscription for %s closed: %s (%u %r)\n",
ua_aor(mwi->ua),
err ? strerror(err) : "",
err ? 0 : msg->scode,
err ? 0 : &msg->reason);
mem_deref(mwi);
}
static int mwi_subscribe(struct ua *ua)
{
const char *routev[1];
struct mwi *mwi;
int err;
mwi = mem_zalloc(sizeof(*mwi), destructor);
if (!mwi)
return ENOMEM;
list_append(&mwil, &mwi->le, mwi);
mwi->ua = ua;
routev[0] = ua_outbound(ua);
info("mwi: subscribing to messages for %s\n", ua_aor(ua));
err = sipevent_subscribe(&mwi->sub, uag_sipevent_sock(), ua_aor(ua),
NULL, ua_aor(ua), "message-summary", NULL,
600, ua_cuser(ua),
routev, routev[0] ? 1 : 0,
auth_handler, ua_prm(ua), true, NULL,
notify_handler, close_handler, mwi,
"Accept:"
" application/simple-message-summary\r\n");
if (err) {
warning("mwi: subscribe ERROR: %m\n", err);
}
if (err)
mem_deref(mwi);
return err;
}
static void ua_event_handler(struct ua *ua,
enum ua_event ev,
struct call *call,
const char *prm,
void *arg )
{
(void)call;
(void)prm;
if (ua != (struct ua *)arg)
return;
if (ev == UA_EVENT_REGISTER_OK) {
uag_event_unregister(ua_event_handler);
mwi_subscribe(ua);
}
}
static void tmr_handler(void *arg)
{
struct le *le;
(void)arg;
for (le = list_head(uag_list()); le; le = le->next) {
struct ua *ua = le->data;
struct account *acc = ua_account(ua);
if (account_regint(acc) > 0)
uag_event_register(ua_event_handler, ua);
else
mwi_subscribe(ua);
}
}
static int module_init(void)
{
list_init(&mwil);
tmr_start(&tmr, 1, tmr_handler, 0);
return 0;
}
static int module_close(void)
{
tmr_cancel(&tmr);
list_flush(&mwil);
return 0;
}
EXPORT_SYM const struct mod_export DECL_EXPORTS(mwi) = {
"mwi",
"application",
module_init,
module_close,
};
|
