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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
/*
*
* Connection Manager
*
* Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include "connman.h"
static unsigned int next_lookup_token = 1;
static GSList *driver_list = NULL;
static GSList *lookup_list = NULL;
struct proxy_lookup {
unsigned int token;
connman_proxy_lookup_cb cb;
void *user_data;
struct connman_service *service;
char *url;
guint watch;
struct connman_proxy_driver *proxy;
};
static void remove_lookup(struct proxy_lookup *lookup)
{
lookup_list = g_slist_remove(lookup_list, lookup);
connman_service_unref(lookup->service);
g_free(lookup->url);
g_free(lookup);
}
static void remove_lookups(GSList *lookups)
{
GSList *list;
for (list = lookups; list; list = list->next) {
struct proxy_lookup *lookup = list->data;
remove_lookup(lookup);
}
g_slist_free(lookups);
}
static gboolean lookup_callback(gpointer user_data)
{
struct proxy_lookup *lookup = user_data;
GSList *list;
if (lookup == NULL)
return FALSE;
lookup->watch = 0;
for (list = driver_list; list; list = list->next) {
struct connman_proxy_driver *proxy = list->data;
if (proxy->request_lookup == NULL)
continue;
lookup->proxy = proxy;
break;
}
if (lookup->proxy == NULL ||
lookup->proxy->request_lookup(lookup->service,
lookup->url) < 0) {
if (lookup->cb)
lookup->cb(NULL, lookup->user_data);
remove_lookup(lookup);
}
return FALSE;
}
unsigned int connman_proxy_lookup(const char *interface, const char *url,
struct connman_service *service,
connman_proxy_lookup_cb cb,
void *user_data)
{
struct proxy_lookup *lookup;
DBG("interface %s url %s", interface, url);
if (interface == NULL)
return 0;
lookup = g_try_new0(struct proxy_lookup, 1);
if (lookup == NULL)
return 0;
lookup->token = next_lookup_token++;
lookup->cb = cb;
lookup->user_data = user_data;
lookup->url = g_strdup(url);
lookup->service = connman_service_ref(service);
lookup->watch = g_timeout_add_seconds(0, lookup_callback, lookup);
if (lookup->watch == 0) {
g_free(lookup->url);
g_free(lookup);
return 0;
}
DBG("token %u", lookup->token);
lookup_list = g_slist_append(lookup_list, lookup);
return lookup->token;
}
void connman_proxy_lookup_cancel(unsigned int token)
{
GSList *list;
struct proxy_lookup *lookup = NULL;
DBG("token %u", token);
for (list = lookup_list; list; list = list->next) {
lookup = list->data;
if (lookup->token == token)
break;
}
if (lookup != NULL) {
if (lookup->watch > 0) {
g_source_remove(lookup->watch);
lookup->watch = 0;
}
if (lookup->proxy != NULL &&
lookup->proxy->cancel_lookup != NULL)
lookup->proxy->cancel_lookup(lookup->service,
lookup->url);
remove_lookup(lookup);
}
}
void connman_proxy_driver_lookup_notify(struct connman_service *service,
const char *url, const char *result)
{
GSList *list, *matches = NULL;
DBG("service %p url %s result %s", service, url, result);
for (list = lookup_list; list; list = list->next) {
struct proxy_lookup *lookup = list->data;
if (service != lookup->service)
continue;
if (g_strcmp0(lookup->url, url) == 0) {
if (lookup->cb)
lookup->cb(result, lookup->user_data);
matches = g_slist_append(matches, lookup);
}
}
if (matches != NULL)
remove_lookups(matches);
}
static gint compare_priority(gconstpointer a, gconstpointer b)
{
const struct connman_proxy_driver *driver1 = a;
const struct connman_proxy_driver *driver2 = b;
return driver2->priority - driver1->priority;
}
/**
* connman_proxy_driver_register:
* @driver: Proxy driver definition
*
* Register a new proxy driver
*
* Returns: %0 on success
*/
int connman_proxy_driver_register(struct connman_proxy_driver *driver)
{
DBG("driver %p name %s", driver, driver->name);
driver_list = g_slist_insert_sorted(driver_list, driver,
compare_priority);
return 0;
}
/**
* connman_proxy_driver_unregister:
* @driver: Proxy driver definition
*
* Remove a previously registered proxy driver
*/
void connman_proxy_driver_unregister(struct connman_proxy_driver *driver)
{
GSList *list;
DBG("driver %p name %s", driver, driver->name);
driver_list = g_slist_remove(driver_list, driver);
for (list = lookup_list; list; list = list->next) {
struct proxy_lookup *lookup = list->data;
if (lookup->proxy == driver)
lookup->proxy = NULL;
}
}
int __connman_proxy_init(void)
{
DBG("");
return 0;
}
void __connman_proxy_cleanup(void)
{
DBG("");
remove_lookups(lookup_list);
}
|
