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
|
/*
*
* OBEX Server
*
* Copyright (C) 2007-2010 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program 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.
*
* 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 <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <glib.h>
#include "obex.h"
#include "service.h"
#include "log.h"
static GSList *drivers = NULL;
struct obex_service_driver *obex_service_driver_find(GSList *drivers,
const uint8_t *target, unsigned int target_size,
const uint8_t *who, unsigned int who_size)
{
GSList *l;
for (l = drivers; l; l = l->next) {
struct obex_service_driver *driver = l->data;
/* who is optional, so only check for it if not NULL */
if (who != NULL && memncmp0(who, who_size, driver->who,
driver->who_size))
continue;
if (memncmp0(target, target_size, driver->target,
driver->target_size) == 0)
return driver;
}
return NULL;
}
GSList *obex_service_driver_list(uint16_t services)
{
GSList *l;
GSList *list = NULL;
if (services == 0)
return drivers;
for (l = drivers; l && services; l = l->next) {
struct obex_service_driver *driver = l->data;
if (driver->service & services) {
list = g_slist_append(list, driver);
services &= ~driver->service;
}
}
return list;
}
static struct obex_service_driver *find_driver(uint16_t service)
{
GSList *l;
for (l = drivers; l; l = l->next) {
struct obex_service_driver *driver = l->data;
if (driver->service == service)
return driver;
}
return NULL;
}
int obex_service_driver_register(struct obex_service_driver *driver)
{
if (!driver) {
error("Invalid driver");
return -EINVAL;
}
if (find_driver(driver->service)) {
error("Permission denied: service %s already registered",
driver->name);
return -EPERM;
}
DBG("driver %p service %s registered", driver, driver->name);
/* Drivers that support who has priority */
if (driver->who)
drivers = g_slist_prepend(drivers, driver);
else
drivers = g_slist_append(drivers, driver);
return 0;
}
void obex_service_driver_unregister(struct obex_service_driver *driver)
{
if (!g_slist_find(drivers, driver)) {
error("Unable to unregister: No such driver %p", driver);
return;
}
DBG("driver %p service %s unregistered", driver, driver->name);
drivers = g_slist_remove(drivers, driver);
}
|
