// 设置回调接口
 public void setMissionSink(IGPSignInMissionSink pIGPSignInMissionSink)
 {
     mIGPSignInMissionSink = pIGPSignInMissionSink;
 }
        Type mMissionType;        // 任务类型

        public CGPSignInMission(byte[] url, int port) : base(url, port)
        {
            mIGPSignInMissionSink = null;
            mMissionType          = Type.BEGINNER_MISSION_NULL;
        }