// If time goes by and nobody sends information about the video,
// the ttl will be incremented for all the channels.
void IncrementAllChannelsTTL() {
Enumeration keys = videoTable.keys();
while (keys.hasMoreElements()) {
Integer auxkey = (Integer) keys.nextElement();
videoEntry_t auxEntry = (videoEntry_t) videoTable.get(auxkey);
if ((auxEntry.getvideoTTL()) < 10) {
auxEntry.incrementTTL();
videoTable.put(auxkey, auxEntry);
} else {
deleteChannel(auxkey);
}
}
}
