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author | Marcel Holtmann <marcel@holtmann.org> | 2009-12-07 06:58:53 +0100 |
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committer | Marcel Holtmann <marcel@holtmann.org> | 2009-12-07 06:58:53 +0100 |
commit | d1e0502b8eeb0faa63611b8031f9577f20194d1f (patch) | |
tree | 90a4d7798c8ab97aea1404a49825e5b315c91f0f /src | |
parent | 8dc453403df59360bd4a2b2b2ebc7ef4f4c77c56 (diff) | |
download | connman-d1e0502b8eeb0faa63611b8031f9577f20194d1f.tar.gz connman-d1e0502b8eeb0faa63611b8031f9577f20194d1f.tar.bz2 connman-d1e0502b8eeb0faa63611b8031f9577f20194d1f.zip |
Add DHCP driver and element handling
Diffstat (limited to 'src')
-rw-r--r-- | src/connman.h | 2 | ||||
-rw-r--r-- | src/dhcp.c | 143 |
2 files changed, 145 insertions, 0 deletions
diff --git a/src/connman.h b/src/connman.h index 62ae0b5a..9b833fa3 100644 --- a/src/connman.h +++ b/src/connman.h @@ -225,6 +225,8 @@ int __connman_element_set_ipv4(struct connman_element *element, gboolean __connman_element_device_isfiltered(const char *devname); +#include <connman/dhcp.h> + int __connman_dhcp_init(void); void __connman_dhcp_cleanup(void); @@ -23,18 +23,161 @@ #include <config.h> #endif +#include <glib.h> + #include "connman.h" +struct connman_dhcp { + gint refcount; + int index; + enum connman_dhcp_state state; + + struct connman_element *element; + + struct connman_dhcp_driver *driver; + void *driver_data; +}; + +/** + * connman_dhcp_ref: + * @dhcp: DHCP structure + * + * Increase reference counter of DHCP + */ +struct connman_dhcp *connman_dhcp_ref(struct connman_dhcp *dhcp) +{ + g_atomic_int_inc(&dhcp->refcount); + + return dhcp; +} + +/** + * connman_dhcp_unref: + * @dhcp: DHCP structure + * + * Decrease reference counter of DHCP + */ +void connman_dhcp_unref(struct connman_dhcp *dhcp) +{ + if (g_atomic_int_dec_and_test(&dhcp->refcount) == TRUE) + g_free(dhcp); +} + +/** + * connman_dhcp_get_interface: + * @dhcp: DHCP structure + * + * Get network interface of DHCP + */ +char *connman_dhcp_get_interface(struct connman_dhcp *dhcp) +{ + return connman_inet_ifname(dhcp->index); +} + +/** + * connman_dhcp_bound: + * @dhcp: DHCP structure + * + * Report successful bound of the interface + */ +void connman_dhcp_bound(struct connman_dhcp *dhcp) +{ + DBG("dhcp %p", dhcp); +} + +static GSList *driver_list = NULL; + +static gint compare_priority(gconstpointer a, gconstpointer b) +{ + const struct connman_dhcp_driver *driver1 = a; + const struct connman_dhcp_driver *driver2 = b; + + return driver2->priority - driver1->priority; +} + +/** + * connman_dhcp_driver_register: + * @driver: DHCP driver definition + * + * Register a new DHCP driver + * + * Returns: %0 on success + */ +int connman_dhcp_driver_register(struct connman_dhcp_driver *driver) +{ + DBG("driver %p name %s", driver, driver->name); + + driver_list = g_slist_insert_sorted(driver_list, driver, + compare_priority); + + return 0; +} + +/** + * connman_dhcp_driver_unregister: + * @driver: DHCP driver definition + * + * Remove a previously registered DHCP driver + */ +void connman_dhcp_driver_unregister(struct connman_dhcp_driver *driver) +{ + DBG("driver %p name %s", driver, driver->name); + + driver_list = g_slist_remove(driver_list, driver); +} + static int dhcp_probe(struct connman_element *element) { + struct connman_dhcp *dhcp; + GSList *list; + DBG("element %p name %s", element, element->name); + dhcp = g_try_new0(struct connman_dhcp, 1); + if (dhcp == NULL) + return -ENOMEM; + + dhcp->refcount = 1; + dhcp->index = element->index; + dhcp->state = CONNMAN_DHCP_STATE_IDLE; + + dhcp->element = element; + + connman_element_set_data(element, dhcp); + + for (list = driver_list; list; list = list->next) { + struct connman_dhcp_driver *driver = list->data; + + DBG("driver %p name %s", driver, driver->name); + + if (driver->request(dhcp) == 0) { + dhcp->driver = driver; + break; + } + } + + if (dhcp->driver == NULL) { + connman_dhcp_unref(dhcp); + return -ENOENT; + } + return 0; } static void dhcp_remove(struct connman_element *element) { + struct connman_dhcp *dhcp = connman_element_get_data(element); + DBG("element %p name %s", element, element->name); + + connman_element_set_data(element, NULL); + + if (dhcp->driver) { + dhcp->driver->release(dhcp); + dhcp->driver = NULL; + } + + connman_dhcp_unref(dhcp); } static struct connman_driver dhcp_driver = { |