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
173
174
175
176
177
178
179
180
181
|
/* Copyright (c) 2015-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "array.h"
#include "hash.h"
#include "mail-user.h"
#include "push-notification-drivers.h"
#include "push-notification-events.h"
static ARRAY(const struct push_notification_driver *) push_notification_drivers;
static bool
push_notification_driver_find(const char *name, unsigned int *idx_r)
{
unsigned int count, i;
const struct push_notification_driver *const *drivers;
drivers = array_get(&push_notification_drivers, &count);
for (i = 0; i < count; i++) {
if (strcasecmp(drivers[i]->name, name) == 0) {
*idx_r = i;
return TRUE;
}
}
return FALSE;
}
static const struct push_notification_driver *
push_notification_driver_find_class(const char *driver)
{
unsigned int idx;
if (!push_notification_driver_find(driver, &idx))
return NULL;
return array_idx_elem(&push_notification_drivers, idx);
}
static struct push_notification_driver_config *
push_notification_driver_parse_config(const char *p)
{
const char **args, *key, *p2, *value;
struct push_notification_driver_config *config;
config = t_new(struct push_notification_driver_config, 1);
config->raw_config = p;
hash_table_create(&config->config, unsafe_data_stack_pool, 0,
str_hash, strcmp);
if (p == NULL)
return config;
args = t_strsplit_spaces(p, " ");
for (; *args != NULL; args++) {
p2 = strchr(*args, '=');
if (p2 != NULL) {
key = t_strdup_until(*args, p2);
value = t_strdup(p2 + 1);
} else {
key = *args;
value = "";
}
hash_table_update(config->config, key, value);
}
return config;
}
int push_notification_driver_init(
struct mail_user *user, const char *config_in, pool_t pool,
struct push_notification_driver_user **duser_r)
{
void *context = NULL;
const struct push_notification_driver *driver;
const char *driver_name, *error_r, *p;
struct push_notification_driver_user *duser;
int ret;
/* <driver>[:<driver config>] */
p = strchr(config_in, ':');
if (p == NULL)
driver_name = config_in;
else
driver_name = t_strdup_until(config_in, p);
driver = push_notification_driver_find_class(driver_name);
if (driver == NULL) {
i_error("Unknown push notification driver: %s", driver_name);
return -1;
}
if (driver->v.init != NULL) {
T_BEGIN {
struct push_notification_driver_config *config;
config = push_notification_driver_parse_config(
(p == NULL) ? p : p + 1);
ret = driver->v.init(config, user, pool,
&context, &error_r);
if (ret < 0)
i_error("%s: %s", driver_name, error_r);
hash_table_destroy(&config->config);
} T_END;
if (ret < 0)
return -1;
}
duser = p_new(pool, struct push_notification_driver_user, 1);
duser->context = context;
duser->driver = driver;
*duser_r = duser;
return 0;
}
void push_notification_driver_cleanup_all(void)
{
const struct push_notification_driver *driver;
/* Loop through driver list and perform global cleanup tasks. We may not
have used all drivers in this plugin/worker, but the cleanup hooks
are designed to ignore these unused drivers. */
array_foreach_elem(&push_notification_drivers, driver) {
if (driver->v.cleanup != NULL)
driver->v.cleanup();
}
}
void ATTR_FORMAT(3, 4)
push_notification_driver_debug(const char *label, struct mail_user *user,
const char *fmt, ...)
{
va_list args;
T_BEGIN {
va_start(args, fmt);
e_debug(user->event, "%s%s", label,
t_strdup_vprintf(fmt, args));
va_end(args);
} T_END;
}
void push_notification_driver_register(
const struct push_notification_driver *driver)
{
unsigned int idx;
if (!array_is_created(&push_notification_drivers))
i_array_init(&push_notification_drivers, 4);
if (push_notification_driver_find(driver->name, &idx)) {
i_panic("push_notification_driver_register(%s): "
"duplicate driver", driver->name);
}
array_push_back(&push_notification_drivers, &driver);
}
void push_notification_driver_unregister(
const struct push_notification_driver *driver)
{
unsigned int idx;
if (!push_notification_driver_find(driver->name, &idx)) {
i_panic("push_notification_driver_register(%s): "
"unknown driver", driver->name);
}
if (array_is_created(&push_notification_drivers)) {
array_delete(&push_notification_drivers, idx, 1);
if (array_is_empty(&push_notification_drivers))
array_free(&push_notification_drivers);
}
}
|
