我想從udp數據包讀取1位數據。如何從udp數據包讀取1位
UDP包看起來像這樣(C代碼):
struct typedef struct s_foo
{
__u32 foo;
__u8 bar:1,
bob:1;
} __attribute__((packed)) s_foo;
如何在Java我可以閱讀?
到目前爲止,我有這個,但我不能讀富也不酒吧或鮑勃...
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
public class BroadcastListener
{
public static void main(String[] args) throws IOException
{
if (args.length != 1) {
System.out.println("usage: <program> port");
System.exit(1);
}
int port = Integer.parseInt(args[0]);
DatagramSocket dgram = new DatagramSocket(port);
byte[] buffer = new byte[2048];
DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
while (true) {
dgram.receive(packet);
String msg = new String(buffer, 0, packet.getLength());
System.out.println(packet.getAddress().getHostName() + ": "
+ msg);
packet.setLength(buffer.length);
}
}
}
請標記爲回答,如果它是! –