5 * Copyright (C) 2007-2010 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) {
125 } else if (g_strcmp0(key, "PAC") == 0) {
130 * connman_dhcp_bound:
131 * @dhcp: DHCP structure
133 * Report successful bound of the interface
135 void connman_dhcp_bound(struct connman_dhcp *dhcp)
137 struct connman_element *element;
139 DBG("dhcp %p", dhcp);
141 element = connman_element_create(NULL);
145 element->type = CONNMAN_ELEMENT_TYPE_IPV4;
146 element->index = dhcp->index;
148 connman_element_update(dhcp->element);
150 if (connman_element_register(element, dhcp->element) < 0)
151 connman_element_unref(element);
155 * connman_dhcp_renew:
156 * @dhcp: DHCP structure
158 * Report successful renew of the interface
160 void connman_dhcp_renew(struct connman_dhcp *dhcp)
162 DBG("dhcp %p", dhcp);
164 connman_element_update(dhcp->element);
169 * @dhcp: DHCP structure
171 * Report DHCP failure of the interface
173 void connman_dhcp_fail(struct connman_dhcp *dhcp)
175 DBG("dhcp %p", dhcp);
177 connman_element_set_error(dhcp->element,
178 CONNMAN_ELEMENT_ERROR_FAILED);
182 * connman_dhcp_get_data:
183 * @dhcp: DHCP structure
185 * Get private DHCP data pointer
187 void *connman_dhcp_get_data(struct connman_dhcp *dhcp)
189 return dhcp->driver_data;
193 * connman_dhcp_set_data:
194 * @dhcp: DHCP structure
195 * @data: data pointer
197 * Set private DHCP data pointer
199 void connman_dhcp_set_data(struct connman_dhcp *dhcp, void *data)
201 dhcp->driver_data = data;
204 static GSList *driver_list = NULL;
206 static gint compare_priority(gconstpointer a, gconstpointer b)
208 const struct connman_dhcp_driver *driver1 = a;
209 const struct connman_dhcp_driver *driver2 = b;
211 return driver2->priority - driver1->priority;
215 * connman_dhcp_driver_register:
216 * @driver: DHCP driver definition
218 * Register a new DHCP driver
220 * Returns: %0 on success
222 int connman_dhcp_driver_register(struct connman_dhcp_driver *driver)
224 DBG("driver %p name %s", driver, driver->name);
226 driver_list = g_slist_insert_sorted(driver_list, driver,
233 * connman_dhcp_driver_unregister:
234 * @driver: DHCP driver definition
236 * Remove a previously registered DHCP driver
238 void connman_dhcp_driver_unregister(struct connman_dhcp_driver *driver)
240 DBG("driver %p name %s", driver, driver->name);
242 driver_list = g_slist_remove(driver_list, driver);
245 static int dhcp_probe(struct connman_element *element)
247 struct connman_dhcp *dhcp;
250 DBG("element %p name %s", element, element->name);
252 dhcp = g_try_new0(struct connman_dhcp, 1);
257 dhcp->index = element->index;
258 dhcp->state = CONNMAN_DHCP_STATE_IDLE;
260 dhcp->element = element;
262 connman_element_set_data(element, dhcp);
264 for (list = driver_list; list; list = list->next) {
265 struct connman_dhcp_driver *driver = list->data;
267 DBG("driver %p name %s", driver, driver->name);
269 if (driver->request(dhcp) == 0) {
270 dhcp->driver = driver;
275 if (dhcp->driver == NULL) {
276 connman_dhcp_unref(dhcp);
283 static void dhcp_remove(struct connman_element *element)
285 struct connman_dhcp *dhcp = connman_element_get_data(element);
287 DBG("element %p name %s", element, element->name);
289 connman_element_set_data(element, NULL);
292 dhcp->driver->release(dhcp);
296 connman_dhcp_unref(dhcp);
299 static void dhcp_change(struct connman_element *element)
301 DBG("element %p name %s", element, element->name);
303 if (element->state == CONNMAN_ELEMENT_STATE_ERROR)
304 connman_element_set_error(element->parent,
305 CONNMAN_ELEMENT_ERROR_DHCP_FAILED);
308 static struct connman_driver dhcp_driver = {
310 .type = CONNMAN_ELEMENT_TYPE_DHCP,
311 .priority = CONNMAN_DRIVER_PRIORITY_LOW,
313 .remove = dhcp_remove,
314 .change = dhcp_change,
317 int __connman_dhcp_init(void)
319 return connman_driver_register(&dhcp_driver);
322 void __connman_dhcp_cleanup(void)
324 connman_driver_unregister(&dhcp_driver);