static int internalnotificationRegisterCallback (Plugin * plugin, Key * key, ElektraNotificationChangeCallback callback)
{
size_t address = elektraPluginGetFunction (plugin, "registerCallback");
// Register key with plugin
return ((ElektraNotificationPluginRegisterCallback) address) (plugin, key, callback);
}
static int internalnotificationRegisterInt (Plugin * plugin, Key * key, int * variable)
{
size_t address = elektraPluginGetFunction (plugin, "registerInt");
// Register key with plugin
return ((ElektraNotificationPluginRegisterInt) address) (plugin, key, variable);
}
int elektraNotificationRegisterCallbackSameOrBelow (KDB * kdb, Key * key, ElektraNotificationChangeCallback callback, void * context)
{
if (!kdb || !key || !callback)
{
ELEKTRA_LOG_WARNING ("null pointer passed");
return 0;
}
// Find notification plugin
Plugin * notificationPlugin = getNotificationPlugin (kdb);
if (!notificationPlugin)
{
return 0;
}
// Get register function from plugin
size_t func = elektraPluginGetFunction (notificationPlugin, "registerCallbackSameOrBelow");
if (!func)
{
return 0;
}
// Call register function
ElektraNotificationPluginRegisterCallbackSameOrBelow registerFunc = (ElektraNotificationPluginRegisterCallbackSameOrBelow) func;
return registerFunc (notificationPlugin, key, callback, context);
}
int elektraNotificationSetConversionErrorCallback (KDB * kdb, ElektraNotificationConversionErrorCallback callback, void * context)
{
if (!kdb || !callback)
{
ELEKTRA_LOG_WARNING ("null pointer passed");
return 0;
}
// Find notification plugin
Plugin * notificationPlugin = getNotificationPlugin (kdb);
if (!notificationPlugin)
{
return 0;
}
// Get register function from plugin
size_t func = elektraPluginGetFunction (notificationPlugin, "setConversionErrorCallback");
if (!func)
{
return 0;
}
// Call register function
ElektraNotificationSetConversionErrorCallback setCallbackFunc = (ElektraNotificationSetConversionErrorCallback) func;
setCallbackFunc (notificationPlugin, callback, context);
return 1;
}
int elektraNotificationOpen (KDB * kdb)
{
// Make sure kdb is not null
if (!kdb)
{
ELEKTRA_LOG_WARNING ("kdb was not set");
return 0;
}
// Allow open only once
if (kdb->notificationPlugin)
{
ELEKTRA_LOG_WARNING ("elektraNotificationOpen already called for kdb");
return 0;
}
Plugin * notificationPlugin = loadPlugin (kdb, "internalnotification", NULL);
if (!notificationPlugin)
{
return 0;
}
int mountResult = mountGlobalPlugin (kdb, notificationPlugin);
if (!mountResult)
{
Key * errorKey = keyNew (0);
elektraPluginClose (notificationPlugin, errorKey);
keyDel (errorKey);
return 0;
}
// Create context for notification callback
ElektraNotificationCallbackContext * context = elektraMalloc (sizeof (*context));
if (context == NULL)
{
unmountGlobalPlugin (kdb, notificationPlugin);
Key * errorKey = keyNew (0);
elektraPluginClose (notificationPlugin, errorKey);
keyDel (errorKey);
return 0;
}
context->kdb = kdb;
context->kdbUpdate = &elektraNotificationKdbUpdate;
context->notificationPlugin = notificationPlugin;
// Get notification callback from notification plugin
size_t func = elektraPluginGetFunction (notificationPlugin, "notificationCallback");
if (!func)
{
unmountGlobalPlugin (kdb, notificationPlugin);
Key * errorKey = keyNew (0);
elektraPluginClose (notificationPlugin, errorKey);
keyDel (errorKey);
return 0;
}
ElektraNotificationCallback notificationCallback = (ElektraNotificationCallback) func;
// Open notification for plugins
pluginsOpenNotification (kdb, notificationCallback, context);
kdb->notificationPlugin = notificationPlugin;
kdb->notificationCallbackContext = context;
return 1;
}
