HIDtoVPADNetworkClient/src/net/ash/HIDToVPADNetworkClient/network/UDPClient.java

82 lines
2.8 KiB
Java

/*******************************************************************************
* Copyright (c) 2017 Ash (QuarkTheAwesome) & Maschell
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*******************************************************************************/
package net.ash.HIDToVPADNetworkClient.network;
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.util.HashMap;
import net.ash.HIDToVPADNetworkClient.controller.Controller;
import net.ash.HIDToVPADNetworkClient.controller.ControllerData;
public class UDPClient {
private DatagramSocket sock;
private InetAddress host;
private ByteArrayOutputStream outBytes;
private DataOutputStream out;
public UDPClient() {
outBytes = new ByteArrayOutputStream();
out = new DataOutputStream(outBytes);
}
public void connect(String ip) throws Exception {
sock = new DatagramSocket();
host = InetAddress.getByName(ip);
}
public void send(HashMap<Integer, Controller> controllers) throws Exception {
out.writeByte(Protocol.UDP_CMD_DATA);
out.writeByte((byte)(controllers.size() & 0xFF));
for (Controller c : controllers.values()) {
out.writeInt(c.getHandle());
out.writeShort(c.getDeviceSlot());
out.writeByte(c.getPadSlot());
ControllerData d = c.getLatestData();
try {
out.writeInt(d.getData().length);
out.write(d.getData(), 0, d.getData().length);
} catch (NullPointerException e) {
out.writeInt(1);
out.writeByte(0x00);
}
}
out.flush();
byte[] payload = outBytes.toByteArray();
DatagramPacket packet = new DatagramPacket(payload, payload.length, host, Protocol.UDP_PORT);
sock.send(packet);
//System.out.println(Arrays.toString(payload)); //XXX debug text
outBytes.reset();
}
}