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Clean up device when the client disconnects

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Track clients connected to each device using EggDbusMonitor.
When there are no more clients connected to the device, release it.

When no devices are used anymore, set up a timeout to exit within
30 seconds.
This commit is contained in:
Bastien Nocera
2008-11-03 17:20:59 +00:00
committed by Daniel Drake
parent b0f2060628
commit f93d8cbce2
6 changed files with 472 additions and 47 deletions
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32
src/manager.c
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@ -41,7 +41,6 @@ typedef struct
GError *last_error;
GSList *dev_registry;
guint timeout_id;
volatile int num_device_used;
} FprintManagerPrivate;
#define FPRINT_MANAGER_GET_PRIVATE(o) \
@ -81,27 +80,32 @@ fprint_manager_timeout_cb (FprintManager *manager)
g_message ("No devices in use, exit");
//FIXME kill all the devices
exit(0);
return FALSE;
}
static void
fprint_manager_action_notified (FprintDevice *rdev, GParamSpec *spec, FprintManager *manager)
fprint_manager_in_use_notified (FprintDevice *rdev, GParamSpec *spec, FprintManager *manager)
{
FprintManagerPrivate *priv = FPRINT_MANAGER_GET_PRIVATE (manager);
int action;
guint num_devices_used = 0;
GSList *l;
gboolean in_use;
g_object_get (G_OBJECT(rdev), "action", &action, NULL);
if (priv->timeout_id > 0) {
g_source_remove (priv->timeout_id);
priv->timeout_id = 0;
}
if (action == 0) {
if (g_atomic_int_dec_and_test (&priv->num_device_used)) {
if (!no_timeout)
priv->timeout_id = g_timeout_add_seconds (TIMEOUT, (GSourceFunc) fprint_manager_timeout_cb, manager);
}
} else {
g_atomic_int_add (&priv->num_device_used, 1);
for (l = priv->dev_registry; l != NULL; l = l->next) {
FprintDevice *dev = l->data;
g_object_get (G_OBJECT(dev), "in-use", &in_use, NULL);
if (in_use != FALSE)
num_devices_used++;
}
if (num_devices_used == 0 && !no_timeout)
priv->timeout_id = g_timeout_add_seconds (TIMEOUT, (GSourceFunc) fprint_manager_timeout_cb, manager);
}
static void
@ -112,8 +116,6 @@ fprint_manager_init (FprintManager *manager)
struct fp_dscv_dev *ddev;
int i = 0;
priv->num_device_used = 0;
if (!discovered_devs) {
priv->last_error = g_error_new (FPRINT_ERROR, FPRINT_ERROR_INTERNAL,
_("An internal error occurred in libfprint"));
@ -127,8 +129,8 @@ fprint_manager_init (FprintManager *manager)
FprintDevice *rdev = fprint_device_new(ddev);
gchar *path;
g_signal_connect (G_OBJECT(rdev), "notify::action",
G_CALLBACK (fprint_manager_action_notified), manager);
g_signal_connect (G_OBJECT(rdev), "notify::in-use",
G_CALLBACK (fprint_manager_in_use_notified), manager);
priv->dev_registry = g_slist_prepend(priv->dev_registry, rdev);
path = get_device_path(rdev);