mirror of
https://github.com/Maschell/HIDtoVPADNetworkClient.git
synced 2024-06-02 07:28:51 +02:00
99 lines
3.8 KiB
Java
99 lines
3.8 KiB
Java
/*******************************************************************************
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* Copyright (c) 2017 Ash (QuarkTheAwesome) & Maschell
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*******************************************************************************/
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package net.ash.HIDToVPADNetworkClient.network;
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import java.io.ByteArrayOutputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.util.List;
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import lombok.extern.java.Log;
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@Log
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final class Protocol {
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static final int TCP_PORT = 8112;
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static final int UDP_PORT = 8113;
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static final byte TCP_HANDSHAKE = 0x12;
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static final byte TCP_SAME_CLIENT = 0x20;
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static final byte TCP_NEW_CLIENT = 0x21;
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static final byte TCP_CMD_ATTACH = 0x01;
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static final byte TCP_CMD_DETACH = 0x02;
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static final byte TCP_CMD_PING = (byte) 0xF0;
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static final byte UDP_CMD_DATA = 0x03;
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static final byte TCP_CMD_ATTACH_CONFIG_FOUND = (byte) 0xE0;
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static final byte TCP_CMD_ATTACH_CONFIG_NOT_FOUND = (byte) 0xE1;
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static final byte TCP_CMD_ATTACH_USERDATA_OKAY = (byte) 0xE8;
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static final byte TCP_CMD_ATTACH_USERDATA_BAD = (byte) 0xE9;
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private Protocol() {
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}
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enum HandshakeReturnCode {
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GOOD_HANDSHAKE, BAD_HANDSHAKE
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}
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static byte[] getRawAttachDataToSend(AttachCommand command) throws IOException {
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return ByteBuffer.allocate(9).put(Protocol.TCP_CMD_ATTACH).putInt(command.getHandle()).putShort(command.getVid()).putShort(command.getPid()).array();
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}
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static byte[] getRawDetachDataToSend(DetachCommand command) throws IOException {
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return ByteBuffer.allocate(5).put(Protocol.TCP_CMD_DETACH).putInt(command.getHandle()).array();
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}
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static byte[] getRawPingDataToSend(PingCommand command) {
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return new byte[] { Protocol.TCP_CMD_PING };
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}
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static byte[] getRawReadDataToSend(List<ReadCommand> readCommands) throws IOException {
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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DataOutputStream dos = new DataOutputStream(bos);
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dos.writeByte(Protocol.UDP_CMD_DATA);
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dos.writeByte(readCommands.size());
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for (ReadCommand command : readCommands) {
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NetworkHIDDevice sender = command.getSender();
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byte[] data = command.getData();
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if (data.length > 0xFF) {
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log.info("Tried to send too much data. Maximum is 0xFF bytes read command.");
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continue;
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}
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byte newLength = (byte) (data.length & 0xFF);
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dos.writeInt(command.getHandle());
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dos.writeShort(sender.getDeviceslot());
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dos.writeByte(sender.getPadslot());
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dos.write(newLength);
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dos.write(data, 0, newLength);
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}
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return bos.toByteArray();
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}
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}
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