*
* Connection Manager
*
- * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
+ * 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
static gchar **device_filter = NULL;
static gchar **nodevice_filter = NULL;
+enum connman_pending_type {
+ PENDING_NONE = 0,
+ PENDING_ENABLE = 1,
+ PENDING_DISABLE = 2,
+};
+
struct connman_device {
- gint refcount;
+ int refcount;
enum connman_device_type type;
- connman_bool_t offlinemode;
- connman_bool_t blocked;
+ enum connman_pending_type powered_pending; /* Indicates a pending
+ enable/disable request */
connman_bool_t powered;
- connman_bool_t powered_pending;
- connman_bool_t powered_persistent;
connman_bool_t scanning;
connman_bool_t disconnected;
connman_bool_t reconnect;
- connman_uint16_t scan_interval;
- connman_uint16_t backoff_interval;
char *name;
char *node;
char *address;
char *devname;
int phyindex;
int index;
- unsigned int connections;
- guint scan_timeout;
+ guint pending_timeout;
struct connman_device_driver *driver;
void *driver_data;
GHashTable *networks;
};
-#define SCAN_INITIAL_DELAY 10
-
-static gboolean device_scan_trigger(gpointer user_data)
-{
- struct connman_device *device = user_data;
-
- DBG("device %p", device);
-
- if (device->driver == NULL) {
- device->scan_timeout = 0;
- return FALSE;
- }
-
- if (device->driver->scan)
- device->driver->scan(device);
-
- return TRUE;
-}
-
-static void clear_scan_trigger(struct connman_device *device)
+static void clear_pending_trigger(struct connman_device *device)
{
- if (device->scan_timeout > 0) {
- g_source_remove(device->scan_timeout);
- device->scan_timeout = 0;
+ if (device->pending_timeout > 0) {
+ g_source_remove(device->pending_timeout);
+ device->pending_timeout = 0;
}
}
-static void reset_scan_trigger(struct connman_device *device)
-{
- clear_scan_trigger(device);
-
- if (device->scan_interval > 0) {
- guint interval;
-
- if (g_hash_table_size(device->networks) == 0) {
- if (device->backoff_interval >= device->scan_interval)
- device->backoff_interval = SCAN_INITIAL_DELAY;
- interval = device->backoff_interval;
- } else
- interval = device->scan_interval;
-
- DBG("interval %d", interval);
-
- device->scan_timeout = g_timeout_add_seconds(interval,
- device_scan_trigger, device);
-
- device->backoff_interval *= 2;
- if (device->backoff_interval > device->scan_interval)
- device->backoff_interval = device->scan_interval;
- }
-}
-
-static void force_scan_trigger(struct connman_device *device)
-{
- clear_scan_trigger(device);
-
- device->scan_timeout = g_timeout_add_seconds(5,
- device_scan_trigger, device);
-}
-
-void connman_device_schedule_scan(struct connman_device *device)
-{
- reset_scan_trigger(device);
-}
-
static const char *type2description(enum connman_device_type type)
{
switch (type) {
return CONNMAN_SERVICE_TYPE_UNKNOWN;
}
+static gboolean device_pending_reset(gpointer user_data)
+{
+ struct connman_device *device = user_data;
+
+ DBG("device %p", device);
+
+ /* Power request timedout, reset power pending state. */
+ device->pending_timeout = 0;
+ device->powered_pending = PENDING_NONE;
+
+ return FALSE;
+}
+
int __connman_device_enable(struct connman_device *device)
{
int err;
- enum connman_service_type type;
- DBG("device %p %d", device, device->blocked);
+ DBG("device %p", device);
if (!device->driver || !device->driver->enable)
return -EOPNOTSUPP;
- if (device->powered_pending == TRUE)
+ /* There is an ongoing power disable request. */
+ if (device->powered_pending == PENDING_DISABLE)
+ return -EBUSY;
+
+ if (device->powered_pending == PENDING_ENABLE)
return -EALREADY;
- if (device->blocked == TRUE)
- return -ENOLINK;
+ if (device->powered_pending == PENDING_NONE && device->powered == TRUE)
+ return -EALREADY;
- connman_device_set_disconnected(device, FALSE);
- device->scanning = FALSE;
+ device->powered_pending = PENDING_ENABLE;
err = device->driver->enable(device);
- if (err < 0 && err != -EALREADY) {
- if (err == -EINPROGRESS) {
- device->powered_pending = TRUE;
- device->offlinemode = FALSE;
- if (__connman_profile_get_offlinemode() == TRUE)
- __connman_profile_set_offlinemode(FALSE, FALSE);
- }
- return err;
+ /*
+ * device gets enabled right away.
+ * Invoke the callback
+ */
+ if (err == 0) {
+ connman_device_set_powered(device, TRUE);
+ goto done;
}
- device->powered_pending = TRUE;
- device->powered = TRUE;
- device->offlinemode = FALSE;
- if (__connman_profile_get_offlinemode() == TRUE)
- __connman_profile_set_offlinemode(FALSE, FALSE);
-
- type = __connman_device_get_service_type(device);
- __connman_technology_enabled(type);
-
- return 0;
+ if (err == -EALREADY) {
+ /* If device is already powered, but connman is not updated */
+ connman_device_set_powered(device, TRUE);
+ goto done;
+ }
+ /*
+ * if err == -EINPROGRESS, then the DBus call to the respective daemon
+ * was successful. We set a 4 sec timeout so if the daemon never
+ * returns a reply, we would reset the pending request.
+ */
+ if (err == -EINPROGRESS)
+ device->pending_timeout = g_timeout_add_seconds(4,
+ device_pending_reset, device);
+done:
+ return err;
}
int __connman_device_disable(struct connman_device *device)
{
int err;
- enum connman_service_type type;
DBG("device %p", device);
if (!device->driver || !device->driver->disable)
return -EOPNOTSUPP;
- if (device->powered == FALSE)
- return -ENOLINK;
+ /* Ongoing power enable request */
+ if (device->powered_pending == PENDING_ENABLE)
+ return -EBUSY;
- if (device->powered_pending == FALSE)
+ if (device->powered_pending == PENDING_DISABLE)
return -EALREADY;
+ if (device->powered_pending == PENDING_NONE && device->powered == FALSE)
+ return -EALREADY;
+
+ device->powered_pending = PENDING_DISABLE;
device->reconnect = FALSE;
- clear_scan_trigger(device);
+ if (device->network) {
+ struct connman_service *service =
+ __connman_service_lookup_from_network(device->network);
- err = device->driver->disable(device);
- if (err < 0 && err != -EALREADY) {
- if (err == -EINPROGRESS)
- device->powered_pending = FALSE;
- return err;
+ if (service != NULL)
+ __connman_service_disconnect(service);
+ else
+ connman_network_set_connected(device->network, FALSE);
}
- g_hash_table_remove_all(device->networks);
-
- device->connections = 0;
-
- device->powered_pending = FALSE;
- device->powered = FALSE;
-
- type = __connman_device_get_service_type(device);
- __connman_technology_disabled(type);
-
- return 0;
-}
-
-static int set_powered(struct connman_device *device, connman_bool_t powered)
-{
- DBG("device %p powered %d", device, powered);
-
- if (powered == TRUE)
- return __connman_device_enable(device);
- else
- return __connman_device_disable(device);
-}
-
-static int setup_device(struct connman_device *device)
-{
- DBG("device %p", device);
-
- __connman_technology_add_device(device);
+ err = device->driver->disable(device);
+ if (err == 0) {
+ connman_device_set_powered(device, FALSE);
+ goto done;
+ }
- if (device->offlinemode == FALSE &&
- device->powered_persistent == TRUE)
- __connman_device_enable(device);
+ if (err == -EALREADY) {
+ connman_device_set_powered(device, FALSE);
+ goto done;
+ }
- return 0;
+ if (err == -EINPROGRESS)
+ device->pending_timeout = g_timeout_add_seconds(4,
+ device_pending_reset, device);
+done:
+ return err;
}
static void probe_driver(struct connman_device_driver *driver)
device->driver = driver;
- setup_device(device);
+ __connman_technology_add_device(device);
}
}
{
DBG("device %p name %s", device, device->name);
- clear_scan_trigger(device);
+ clear_pending_trigger(device);
g_free(device->ident);
g_free(device->node);
enum connman_device_type type)
{
struct connman_device *device;
- enum connman_service_type service_type;
- connman_bool_t bg_scan;
DBG("node %s type %d", node, type);
device->refcount = 1;
- bg_scan = connman_setting_get_bool("BackgroundScanning");
-
device->type = type;
device->name = g_strdup(type2description(device->type));
- device->powered_persistent = TRUE;
-
device->phyindex = -1;
- service_type = __connman_device_get_service_type(device);
- device->blocked = __connman_technology_get_blocked(service_type);
- device->backoff_interval = SCAN_INITIAL_DELAY;
-
- switch (type) {
- case CONNMAN_DEVICE_TYPE_UNKNOWN:
- case CONNMAN_DEVICE_TYPE_ETHERNET:
- case CONNMAN_DEVICE_TYPE_WIMAX:
- case CONNMAN_DEVICE_TYPE_BLUETOOTH:
- case CONNMAN_DEVICE_TYPE_CELLULAR:
- case CONNMAN_DEVICE_TYPE_GPS:
- case CONNMAN_DEVICE_TYPE_GADGET:
- case CONNMAN_DEVICE_TYPE_VENDOR:
- device->scan_interval = 0;
- break;
- case CONNMAN_DEVICE_TYPE_WIFI:
- if (bg_scan == TRUE)
- device->scan_interval = 300;
- else
- device->scan_interval = 0;
- break;
- }
-
device->networks = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, free_network);
*
* Increase reference counter of device
*/
-struct connman_device *connman_device_ref(struct connman_device *device)
+struct connman_device *connman_device_ref_debug(struct connman_device *device,
+ const char *file, int line, const char *caller)
{
- DBG("%p", device);
+ DBG("%p ref %d by %s:%d:%s()", device, device->refcount + 1,
+ file, line, caller);
- g_atomic_int_inc(&device->refcount);
+ __sync_fetch_and_add(&device->refcount, 1);
return device;
}
*
* Decrease reference counter of device
*/
-void connman_device_unref(struct connman_device *device)
+void connman_device_unref_debug(struct connman_device *device,
+ const char *file, int line, const char *caller)
{
- if (g_atomic_int_dec_and_test(&device->refcount) == FALSE)
+ DBG("%p ref %d by %s:%d:%s()", device, device->refcount - 1,
+ file, line, caller);
+
+ if (__sync_fetch_and_sub(&device->refcount, 1) != 1)
return;
if (device->driver) {
int connman_device_set_powered(struct connman_device *device,
connman_bool_t powered)
{
- int err;
enum connman_service_type type;
DBG("driver %p powered %d", device, powered);
- if (device->powered == powered) {
- device->powered_pending = powered;
+ if (device->powered == powered)
return -EALREADY;
- }
- if (powered == TRUE)
- err = __connman_device_enable(device);
- else
- err = __connman_device_disable(device);
+ clear_pending_trigger(device);
- if (err < 0 && err != -EINPROGRESS && err != -EALREADY)
- return err;
+ device->powered_pending = PENDING_NONE;
device->powered = powered;
- device->powered_pending = powered;
type = __connman_device_get_service_type(device);
else
__connman_technology_disabled(type);
- if (device->offlinemode == TRUE && powered == TRUE)
- return connman_device_set_powered(device, FALSE);
-
if (powered == FALSE)
return 0;
- reset_scan_trigger(device);
+ connman_device_set_disconnected(device, FALSE);
+ device->scanning = FALSE;
- if (device->driver && device->driver->scan)
+ if (device->driver && device->driver->scan_fast)
+ device->driver->scan_fast(device);
+ else if (device->driver && device->driver->scan)
device->driver->scan(device);
return 0;
}
-int __connman_device_set_blocked(struct connman_device *device,
- connman_bool_t blocked)
-{
- connman_bool_t powered;
-
- DBG("device %p blocked %d", device, blocked);
-
- device->blocked = blocked;
-
- if (device->offlinemode == TRUE)
- return 0;
-
- connman_info("%s {rfkill} blocked %d", device->interface, blocked);
-
- if (blocked == FALSE)
- powered = device->powered_persistent;
- else
- powered = FALSE;
-
- return set_powered(device, powered);
-}
-
-connman_bool_t __connman_device_get_blocked(struct connman_device *device)
-{
- return device->blocked;
-}
-
static int device_scan(struct connman_device *device)
{
if (!device->driver || !device->driver->scan)
if (device->powered == FALSE)
return -ENOLINK;
- reset_scan_trigger(device);
-
return device->driver->scan(device);
}
-int __connman_device_enable_persistent(struct connman_device *device)
-{
- DBG("device %p", device);
-
- device->powered_persistent = TRUE;
-
- __connman_storage_save_device(device);
-
- return __connman_device_enable(device);
-}
-
-int __connman_device_disable_persistent(struct connman_device *device)
-{
- DBG("device %p", device);
-
- device->powered_persistent = FALSE;
-
- __connman_storage_save_device(device);
-
- return __connman_device_disable(device);
-}
-
int __connman_device_disconnect(struct connman_device *device)
{
GHashTableIter iter;
remove_unavailable_network, NULL);
}
-connman_bool_t __connman_device_scanning(struct connman_device *device)
+connman_bool_t connman_device_get_scanning(struct connman_device *device)
{
return device->scanning;
}
g_hash_table_foreach(device->networks,
mark_network_available, NULL);
-
}
/**
device->scanning = scanning;
if (scanning == TRUE) {
- reset_scan_trigger(device);
+ __connman_technology_scan_started(device);
g_hash_table_foreach(device->networks,
mark_network_unavailable, NULL);
__connman_device_cleanup_networks(device);
- if (device->connections > 0)
- return 0;
+ __connman_technology_scan_stopped(device);
__connman_service_auto_connect();
device->disconnected = disconnected;
- if (disconnected == TRUE)
- force_scan_trigger(device);
-
return 0;
}
return NULL;
}
-static void set_offlinemode(struct connman_device *device,
- connman_bool_t offlinemode)
-{
- connman_bool_t powered;
-
- DBG("device %p name %s", device, device->name);
-
- if (device == NULL)
- return;
-
- device->offlinemode = offlinemode;
-
- if (device->blocked == TRUE)
- return;
-
- powered = (offlinemode == TRUE) ? FALSE : TRUE;
-
- if (device->powered == powered)
- return;
-
- if (device->powered_persistent == FALSE)
- powered = FALSE;
-
- set_powered(device, powered);
-}
-
-int __connman_device_set_offlinemode(connman_bool_t offlinemode)
-{
- GSList *list;
-
- DBG("offlinmode %d", offlinemode);
-
- for (list = device_list; list != NULL; list = list->next) {
- struct connman_device *device = list->data;
-
- set_offlinemode(device, offlinemode);
- }
-
- __connman_notifier_offlinemode(offlinemode);
-
- return 0;
-}
-
-void __connman_device_increase_connections(struct connman_device *device)
-{
- if (device == NULL)
- return;
-
- device->connections++;
-}
-
-void __connman_device_decrease_connections(struct connman_device *device)
-{
- if (device == NULL)
- return;
-
- device->connections--;
-
- if (device->connections == 0)
- device->backoff_interval = SCAN_INITIAL_DELAY;
-}
-
/**
* connman_device_add_network:
* @device: device structure
__connman_network_set_device(network, device);
- g_hash_table_insert(device->networks, g_strdup(identifier),
+ g_hash_table_replace(device->networks, g_strdup(identifier),
network);
return 0;
return FALSE;
}
-static int device_probe(struct connman_device *device)
+/**
+ * connman_device_register:
+ * @device: device structure
+ *
+ * Register device with the system
+ */
+int connman_device_register(struct connman_device *device)
{
GSList *list;
if (device->driver == NULL)
return 0;
- return setup_device(device);
-}
-
-static void device_remove(struct connman_device *device)
-{
- DBG("device %p name %s", device, device->name);
-
- if (device->driver == NULL)
- return;
-
- remove_device(device);
-}
-
-/**
- * connman_device_register:
- * @device: device structure
- *
- * Register device with the system
- */
-int connman_device_register(struct connman_device *device)
-{
- __connman_storage_load_device(device);
-
- device->offlinemode = __connman_profile_get_offlinemode();
-
- return device_probe(device);
+ return __connman_technology_add_device(device);
}
/**
*/
void connman_device_unregister(struct connman_device *device)
{
- __connman_storage_save_device(device);
+ DBG("device %p name %s", device, device->name);
- device_remove(device);
+ if (device->driver == NULL)
+ return;
+
+ remove_device(device);
}
/**
int __connman_device_request_scan(enum connman_service_type type)
{
+ connman_bool_t success = FALSE;
+ int last_err = -ENOSYS;
GSList *list;
int err;
case CONNMAN_SERVICE_TYPE_GPS:
case CONNMAN_SERVICE_TYPE_VPN:
case CONNMAN_SERVICE_TYPE_GADGET:
- return 0;
+ return -EOPNOTSUPP;
case CONNMAN_SERVICE_TYPE_WIFI:
case CONNMAN_SERVICE_TYPE_WIMAX:
break;
}
err = device_scan(device);
- if (err < 0 && err != -EINPROGRESS) {
- DBG("err %d", err);
- /* XXX maybe only a continue? */
- return err;
+ if (err == 0 || err == -EALREADY || err == -EINPROGRESS) {
+ success = TRUE;
+ } else {
+ last_err = err;
+ DBG("device %p err %d", device, err);
}
}
- return 0;
+ if (success == TRUE)
+ return 0;
+
+ return last_err;
+}
+
+int __connman_device_request_hidden_scan(struct connman_device *device,
+ const char *ssid, unsigned int ssid_len,
+ const char *identity, const char *passphrase)
+{
+ DBG("device %p", device);
+
+ if (device == NULL || device->driver == NULL ||
+ device->driver->scan_hidden == NULL)
+ return -EINVAL;
+
+ if (device->scanning == TRUE)
+ return -EALREADY;
+
+ return device->driver->scan_hidden(device, ssid, ssid_len,
+ identity, passphrase);
}
connman_bool_t __connman_device_isfiltered(const char *devname)
return FALSE;
}
-static int device_load(struct connman_device *device)
-{
- const char *ident = __connman_profile_active_ident();
- GKeyFile *keyfile;
- GError *error = NULL;
- gchar *identifier;
- connman_bool_t powered;
-
- DBG("device %p", device);
-
- keyfile = __connman_storage_open_profile(ident);
- if (keyfile == NULL)
- return 0;
-
- identifier = g_strdup_printf("device_%s", device->name);
- if (identifier == NULL)
- goto done;
-
- powered = g_key_file_get_boolean(keyfile, identifier,
- "Powered", &error);
- if (error == NULL)
- device->powered_persistent = powered;
- g_clear_error(&error);
-
-done:
- g_free(identifier);
-
- __connman_storage_close_profile(ident, keyfile, FALSE);
-
- return 0;
-}
-
-static int device_save(struct connman_device *device)
-{
- const char *ident = __connman_profile_active_ident();
- GKeyFile *keyfile;
- gchar *identifier;
-
- DBG("device %p", device);
-
- keyfile = __connman_storage_open_profile(ident);
- if (keyfile == NULL)
- return 0;
-
- identifier = g_strdup_printf("device_%s", device->name);
- if (identifier == NULL)
- goto done;
-
- g_key_file_set_boolean(keyfile, identifier,
- "Powered", device->powered_persistent);
-
-done:
- g_free(identifier);
-
- __connman_storage_close_profile(ident, keyfile, TRUE);
-
- return 0;
-}
-
-static struct connman_storage device_storage = {
- .name = "device",
- .priority = CONNMAN_STORAGE_PRIORITY_LOW,
- .device_load = device_load,
- .device_save = device_save,
-};
-
int __connman_device_init(const char *device, const char *nodevice)
{
DBG("");
if (nodevice != NULL)
nodevice_filter = g_strsplit(nodevice, ",", -1);
- return connman_storage_register(&device_storage);
+ return 0;
}
void __connman_device_cleanup(void)
g_strfreev(nodevice_filter);
g_strfreev(device_filter);
-
- connman_storage_unregister(&device_storage);
}