public void readFromWire(Buffer buffer, CodecManager codecManager) {
int pos = 0;
// Overall Length already read when passed in here
byte protocolVersion = buffer.getByte(pos);
if (protocolVersion > WIRE_PROTOCOL_VERSION) {
throw new IllegalStateException(
"Invalid wire protocol version "
+ protocolVersion
+ " should be <= "
+ WIRE_PROTOCOL_VERSION);
}
pos++;
byte systemCodecCode = buffer.getByte(pos);
pos++;
if (systemCodecCode == -1) {
// User codec
int length = buffer.getInt(pos);
pos += 4;
byte[] bytes = buffer.getBytes(pos, pos + length);
String codecName = new String(bytes, CharsetUtil.UTF_8);
messageCodec = codecManager.getCodec(codecName);
if (messageCodec == null) {
throw new IllegalStateException("No message codec registered with name " + codecName);
}
pos += length;
} else {
messageCodec = codecManager.systemCodecs()[systemCodecCode];
}
byte bsend = buffer.getByte(pos);
send = bsend == 0;
pos++;
int length = buffer.getInt(pos);
pos += 4;
byte[] bytes = buffer.getBytes(pos, pos + length);
address = new String(bytes, CharsetUtil.UTF_8);
pos += length;
length = buffer.getInt(pos);
pos += 4;
if (length != 0) {
bytes = buffer.getBytes(pos, pos + length);
replyAddress = new String(bytes, CharsetUtil.UTF_8);
pos += length;
}
int senderPort = buffer.getInt(pos);
pos += 4;
length = buffer.getInt(pos);
pos += 4;
bytes = buffer.getBytes(pos, pos + length);
String senderHost = new String(bytes, CharsetUtil.UTF_8);
pos += length;
headersPos = pos;
int headersLength = buffer.getInt(pos);
pos += headersLength;
bodyPos = pos;
sender = new ServerID(senderPort, senderHost);
wireBuffer = buffer;
fromWire = true;
}
@Override
protected void readBody(int pos, Buffer readBuff) {
boolean isNull = readBuff.getByte(pos) == (byte) 0;
if (!isNull) {
body = readBuff.getInt(++pos);
}
}