Port.java

package io.evercam.network.discovery;

import java.io.IOException;
import java.io.InputStream;
import java.net.InetSocketAddress;
import java.net.Socket;

public class Port {
    public static final String TYPE_HTTP = "HTTP";
    public static final String TYPE_RTSP = "RTSP";

    private int value = 0;
    private String type = "";
    private boolean isActive;

    public Port(String type, int value) {
	setValue(value);
	setType(type);
    }

    public int getValue() {
	return value;
    }

    public void setValue(int value) {
	this.value = value;
    }

    public String getType() {
	return type;
    }

    public void setType(String type) {
	this.type = type;
    }

    public boolean isActive() {
	return isActive;
    }

    public void setIsOpen(boolean isActive) {
	this.isActive = isActive;
    }

    public boolean isHttp() {
	return getType().equals(TYPE_HTTP);
    }

    public boolean isRtsp() {
	return getType().equals(TYPE_RTSP);
    }

    public static boolean isReachable(String ip, int port) throws Exception {
	try {
	    Socket socket = new Socket();
	    socket.connect(new InetSocketAddress(ip, port), 1000);
	    socket.setSoTimeout(1000);

	    /**
	     * Read from the stream to check if data exists in the stream
	     * Because in E-Play the socket is connected even for closed ports
	     */
	    int result;
	    try {
		InputStream inputStream = socket.getInputStream();
		result = inputStream.read();
		socket.close();

	    } catch (Exception e) {
		// Timeout reading from the stream
		// System.out.println("Exception read from stream");
		// e.printStackTrace();
		return true;
	    }

	    return result != -1;
	} catch (IOException e) {
	    // System.out.println("Exception connect socket");
	    // e.printStackTrace();
	    return false;
	}
    }
}