5 * Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
33 enum connman_dhcp_state state;
35 struct connman_element *element;
37 struct connman_dhcp_driver *driver;
43 * @dhcp: DHCP structure
45 * Increase reference counter of DHCP
47 struct connman_dhcp *connman_dhcp_ref(struct connman_dhcp *dhcp)
49 g_atomic_int_inc(&dhcp->refcount);
56 * @dhcp: DHCP structure
58 * Decrease reference counter of DHCP
60 void connman_dhcp_unref(struct connman_dhcp *dhcp)
62 if (g_atomic_int_dec_and_test(&dhcp->refcount) == TRUE)
67 * connman_dhcp_get_index:
68 * @dhcp: DHCP structure
70 * Get network index of DHCP
72 int connman_dhcp_get_index(struct connman_dhcp *dhcp)
78 * connman_dhcp_get_interface:
79 * @dhcp: DHCP structure
81 * Get network interface of DHCP
83 char *connman_dhcp_get_interface(struct connman_dhcp *dhcp)
85 return connman_inet_ifname(dhcp->index);
89 * connman_dhcp_set_value:
90 * @dhcp: DHCP structure
91 * @key: unique identifier
92 * @value: string value
94 * Set string value for specific key
96 void connman_dhcp_set_value(struct connman_dhcp *dhcp,
97 const char *key, const char *value)
99 if (g_strcmp0(key, "Address") == 0) {
100 g_free(dhcp->element->ipv4.address);
101 dhcp->element->ipv4.address = g_strdup(value);
102 } else if (g_strcmp0(key, "Netmask") == 0) {
103 g_free(dhcp->element->ipv4.netmask);
104 dhcp->element->ipv4.netmask = g_strdup(value);
105 } else if (g_strcmp0(key, "Gateway") == 0) {
106 g_free(dhcp->element->ipv4.gateway);
107 dhcp->element->ipv4.gateway = g_strdup(value);
108 } else if (g_strcmp0(key, "Network") == 0) {
109 g_free(dhcp->element->ipv4.network);
110 dhcp->element->ipv4.network = g_strdup(value);
111 } else if (g_strcmp0(key, "Broadcast") == 0) {
112 g_free(dhcp->element->ipv4.broadcast);
113 dhcp->element->ipv4.broadcast = g_strdup(value);
114 } else if (g_strcmp0(key, "Nameserver") == 0) {
115 g_free(dhcp->element->ipv4.nameserver);
116 dhcp->element->ipv4.nameserver = g_strdup(value);
117 } else if (g_strcmp0(key, "Domainname") == 0) {
118 __connman_utsname_set_domainname(value);
119 } else if (g_strcmp0(key, "Hostname") == 0) {
120 __connman_utsname_set_hostname(value);
121 } else if (g_strcmp0(key, "Timeserver") == 0) {
122 g_free(dhcp->element->ipv4.timeserver);
123 dhcp->element->ipv4.timeserver = g_strdup(value);
124 } else if (g_strcmp0(key, "MTU") == 0) {
129 * connman_dhcp_bound:
130 * @dhcp: DHCP structure
132 * Report successful bound of the interface
134 void connman_dhcp_bound(struct connman_dhcp *dhcp)
136 struct connman_element *element;
138 DBG("dhcp %p", dhcp);
140 element = connman_element_create(NULL);
144 element->type = CONNMAN_ELEMENT_TYPE_IPV4;
145 element->index = dhcp->index;
147 connman_element_update(dhcp->element);
149 if (connman_element_register(element, dhcp->element) < 0)
150 connman_element_unref(element);
154 * connman_dhcp_renew:
155 * @dhcp: DHCP structure
157 * Report successful renew of the interface
159 void connman_dhcp_renew(struct connman_dhcp *dhcp)
161 DBG("dhcp %p", dhcp);
163 connman_element_update(dhcp->element);
168 * @dhcp: DHCP structure
170 * Report DHCP failure of the interface
172 void connman_dhcp_fail(struct connman_dhcp *dhcp)
174 DBG("dhcp %p", dhcp);
176 connman_element_set_error(dhcp->element,
177 CONNMAN_ELEMENT_ERROR_FAILED);
181 * connman_dhcp_get_data:
182 * @dhcp: DHCP structure
184 * Get private DHCP data pointer
186 void *connman_dhcp_get_data(struct connman_dhcp *dhcp)
188 return dhcp->driver_data;
192 * connman_dhcp_set_data:
193 * @dhcp: DHCP structure
194 * @data: data pointer
196 * Set private DHCP data pointer
198 void connman_dhcp_set_data(struct connman_dhcp *dhcp, void *data)
200 dhcp->driver_data = data;
203 static GSList *driver_list = NULL;
205 static gint compare_priority(gconstpointer a, gconstpointer b)
207 const struct connman_dhcp_driver *driver1 = a;
208 const struct connman_dhcp_driver *driver2 = b;
210 return driver2->priority - driver1->priority;
214 * connman_dhcp_driver_register:
215 * @driver: DHCP driver definition
217 * Register a new DHCP driver
219 * Returns: %0 on success
221 int connman_dhcp_driver_register(struct connman_dhcp_driver *driver)
223 DBG("driver %p name %s", driver, driver->name);
225 driver_list = g_slist_insert_sorted(driver_list, driver,
232 * connman_dhcp_driver_unregister:
233 * @driver: DHCP driver definition
235 * Remove a previously registered DHCP driver
237 void connman_dhcp_driver_unregister(struct connman_dhcp_driver *driver)
239 DBG("driver %p name %s", driver, driver->name);
241 driver_list = g_slist_remove(driver_list, driver);
244 static int dhcp_probe(struct connman_element *element)
246 struct connman_dhcp *dhcp;
249 DBG("element %p name %s", element, element->name);
251 dhcp = g_try_new0(struct connman_dhcp, 1);
256 dhcp->index = element->index;
257 dhcp->state = CONNMAN_DHCP_STATE_IDLE;
259 dhcp->element = element;
261 connman_element_set_data(element, dhcp);
263 for (list = driver_list; list; list = list->next) {
264 struct connman_dhcp_driver *driver = list->data;
266 DBG("driver %p name %s", driver, driver->name);
268 if (driver->request(dhcp) == 0) {
269 dhcp->driver = driver;
274 if (dhcp->driver == NULL) {
275 connman_dhcp_unref(dhcp);
282 static void dhcp_remove(struct connman_element *element)
284 struct connman_dhcp *dhcp = connman_element_get_data(element);
286 DBG("element %p name %s", element, element->name);
288 connman_element_set_data(element, NULL);
291 dhcp->driver->release(dhcp);
295 connman_dhcp_unref(dhcp);
298 static void dhcp_change(struct connman_element *element)
300 DBG("element %p name %s", element, element->name);
302 if (element->state == CONNMAN_ELEMENT_STATE_ERROR)
303 connman_element_set_error(element->parent,
304 CONNMAN_ELEMENT_ERROR_DHCP_FAILED);
307 static struct connman_driver dhcp_driver = {
309 .type = CONNMAN_ELEMENT_TYPE_DHCP,
310 .priority = CONNMAN_DRIVER_PRIORITY_LOW,
312 .remove = dhcp_remove,
313 .change = dhcp_change,
316 int __connman_dhcp_init(void)
318 return connman_driver_register(&dhcp_driver);
321 void __connman_dhcp_cleanup(void)
323 connman_driver_unregister(&dhcp_driver);