Receive a 4-byte Length Prefix from a Socket

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveCount, which reads a four-byte length prefix as a signed 32-bit integer. A return value of -1 indicates failure.

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    CkSocket socket = new CkSocket();

    //  Connect to the server using TLS.
    boolean bTls = true;
    int maxWaitMs = 5000;
    success = socket.Connect("example.com",5000,bTls,maxWaitMs);
    if (success == false) {
        System.out.println(socket.lastErrorText());
        return;
        }

    //  Read a four-byte length prefix as a signed 32-bit integer (network byte order by default).  A
    //  return value of -1 indicates failure.
    int messageLength = socket.ReceiveCount();
    if (messageLength < 0) {
        System.out.println(socket.lastErrorText());
        return;
        }

    System.out.println("The peer will send " + messageLength + " bytes.");
  }
}