public String getSrcIP() {
		Node temp = mParentNode;
		ArrayList nics = temp.getAllInterfacesNames();
		String IP = "";
		String iface = "";

		for (int i = 0; i < nics.size(); i++) {
			try {
				iface = (String) (nics.get(i));
				if (temp.isActiveInterface(iface)) {
					IP = getIPAddress((String) nics.get(i));
					if (IP != null) {
						return IP;
					}
				}
			} catch (InvalidNetworkInterfaceNameException e) {
				e.printStackTrace();
			}
		}
		return "";
	}