/**
* This file is distributed under the GPL
* $Id: MCPPacketReader.java 1897 2014-02-12 05:20:57Z scotta $
*/
package net.bnubot.core.mcp;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import net.bnubot.logging.Out;
import net.bnubot.settings.GlobalSettings;
import net.bnubot.util.BNetInputStream;
import net.bnubot.util.BNetOutputStream;
import net.bnubot.util.crypto.HexDump;
/**
* @author scotta
*/
public class MCPPacketReader {
MCPPacketID packetId;
int packetLength;
byte data[];
public MCPPacketReader(BNetInputStream is) throws IOException {
packetLength = is.readWord() & 0x0000FFFF;
packetId = MCPPacketID.values()[is.readByte() & 0x000000FF];
assert(packetLength >= 3);
data = new byte[packetLength-3];
for(int i = 0; i < packetLength-3; i++) {
data[i] = is.readByte();
}
if(GlobalSettings.packetLog) {
String msg = "RECV " + packetId.name();
if(Out.isDebug()) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (BNetOutputStream os = new BNetOutputStream(baos)) {
os.writeByte(packetId.ordinal());
os.writeWord(packetLength);
os.write(data);
}
msg += "\n" + HexDump.hexDump(baos.toByteArray());
}
Out.debugAlways(getClass(), msg);
}
}
public BNetInputStream getData() {
return new BNetInputStream(new ByteArrayInputStream(data));
}
}