C++ (Cpp) udev_device_removed Examples

Example #1

File: odccm-device-manager.c Project: asmblur/SynCE

static gboolean
udev_read_cb (GIOChannel *source,
              GIOCondition condition,
              gpointer user_data)
{
  OdccmDeviceManagerPrivate *priv = ODCCM_DEVICE_MANAGER_GET_PRIVATE (user_data);
#define UEVENT_BUFFER_SIZE 2048
  gchar buf[UEVENT_BUFFER_SIZE*2];
  GIOStatus status;
  GError *error = NULL;
  guint buflen = 0;
  size_t bufpos;
  gboolean is_net = FALSE, is_ppp = FALSE, added = FALSE;
  gchar iface[10];
  gchar udi[UEVENT_BUFFER_SIZE];
  
  status = g_io_channel_read_chars(priv->udev_chann, &buf, sizeof(buf), &buflen, &error);

  if (status != G_IO_STATUS_NORMAL) {
    g_warning("%s: error reading event: %s",G_STRFUNC,error->message);
    g_error_free(error);
    error = NULL;
  }  

  bufpos = strlen(buf) + 1;
  while (bufpos < (size_t)buflen) {
    int keylen;
    char *key;
    char *tmpptr;
    
    key = &buf[bufpos];
    keylen = strlen(key);
    if (keylen == 0) break;
    
    if (strncmp("SUBSYSTEM=net",key,13)==0) is_net = TRUE;
    if (strncmp("INTERFACE=ppp",key,13)==0){
      is_ppp = TRUE;
      tmpptr = strchr(key,'=');
      strncpy(iface,tmpptr+1,10);
    }
    if (strncmp("ACTION=remove",key,13)==0) added = FALSE;
    if (strncmp("ACTION=add",key,13)==0) added = TRUE;
    if (strncmp("DEVPATH",key,7)==0) {
      tmpptr = strchr(key,'=');
      strncpy(udi,tmpptr+1,UEVENT_BUFFER_SIZE);
    }
    bufpos += keylen + 1;
  }

  if (is_net == TRUE && is_ppp == TRUE) {
    if (added == TRUE) {
      udev_device_added(user_data,iface,udi);
    } else {
      udev_device_removed(user_data,iface,udi);
    }
  }

  return TRUE;
}

Example #2

File: plugin.c Project: alfmatos/NetworkManager

static void
handle_uevent (GUdevClient *client,
               const char *action,
               GUdevDevice *device,
               gpointer user_data)
{
	SCPluginIfupdown *self = SC_PLUGIN_IFUPDOWN (user_data);
	const char *subsys;

	g_return_if_fail (action != NULL);

	/* A bit paranoid */
	subsys = g_udev_device_get_subsystem (device);
	g_return_if_fail (subsys != NULL);
	g_return_if_fail (strcmp (subsys, "net") == 0);

	if (!strcmp (action, "add"))
		udev_device_added (self, device);
	else if (!strcmp (action, "remove"))
		udev_device_removed (self, device);
}