loginmessage.java

采用JAVA开发

package com.gctech.sms.sp.cms.msg2;
import java.util.Date;
import com.gctech.sms.sp.cms.util.*;
public class LoginMessage  extends Message{

  private String spId ;
  private String secret;
  private int now;

  public LoginMessage(String spId,String secret)
  {
    this.totalLength = 56;
    this.commandId = Message.LOGIN_REQ;
    this.sequenceId = Message.nextSeqId() ;
    this.spId = spId;
    this.secret = secret;
    now = TypesTools.date2int(new Date());
  }

  public  byte[] toBytes()
  {
    ProtocolBuffer pb = ProtocolBuffer.create(56);
    pb.appendInt(this.totalLength);
    pb.appendInt(this.commandId);
    pb.appendInt(0);
    pb.appendInt(sequenceId);
    pb.appendString(spId,20);
//    String authClient = getMD5();
//    pb.appendString(authClient,authClient.length());
    pb.appendBytes(getMD5());
    pb.appendInt(now);
    return pb.toBytes();
  }

  public byte[] getMD5()
  {
    ProtocolBuffer pb = ProtocolBuffer.create(20+7+secret.length()+10);
    pb.appendString(spId,20);
    pb.appendBynary0(7);
    pb.appendString(secret,secret.length());
    String time = ""+now;
    if(time.length()<10)
    {
      time = "0"+time;
    }
    pb.appendString(time,time.length());
    MD5 md5 = new MD5();
    byte[] bs = pb.toBytes();

//    String authClient = md5.getMD5ofStr(bs,bs.length);
    byte[] auth = md5.getMD5ofBytes(bs,bs.length);
    return auth;


  }
  public static LoginMessage create(byte[] bs)
  {
    throw new UnsupportedOperationException("cp side can not support this method ");
  }

//  public byte[] toBytes()
//  {
//    return null;
//  }


}