/**
* 赋值所有字段
*
* @param input liuzeyin 2009-12-3
*/
public void wrap(byte[] input) {
ByteBuffer bb = ByteBuffer.allocate(NSHEAD_LEN);
bb.order(ByteOrder.LITTLE_ENDIAN);
bb.put(input);
bb.flip();
id = UnsignedSwitch.UShortToInt(bb.getShort());
version = UnsignedSwitch.UShortToInt(bb.getShort());
logId = UnsignedSwitch.UintToLong(bb.getInt());
byte[] bf = new byte[16];
bb.get(bf);
provider = NetBytesSwitch.bytesToString(bf);
magicNum = UnsignedSwitch.UintToLong(bb.getInt());
reserved = UnsignedSwitch.UintToLong(bb.getInt());
bodyLen = UnsignedSwitch.UintToLong(bb.getInt());
}
/**
* 将请求转为字节流
*
* @return piggie 2009-3-14
*/
public byte[] toBytes() throws RuntimeException {
ByteBuffer bb = ByteBuffer.allocate(NSHEAD_LEN);
bb.order(ByteOrder.LITTLE_ENDIAN);
try {
bb.putShort(UnsignedSwitch.IntToUshort(id));
bb.putShort(UnsignedSwitch.IntToUshort(version));
bb.putInt(UnsignedSwitch.LongToUint(logId));
byte[] prvd = NetBytesSwitch.StringToBytes(provider, 16);
bb.put(prvd);
bb.putInt(UnsignedSwitch.LongToUint(magicNum));
bb.putInt(UnsignedSwitch.LongToUint(reserved));
bb.putInt(UnsignedSwitch.LongToUint(bodyLen));
} catch (Exception e) {
throw new RuntimeException("exception when putting bytes for nshead...", e);
}
return bb.array();
}
