コード例 #1
0
        /**
         *
         * 所有电表信息查询线程
         * 查询所有电表信息,并更新数据库
         *
         * */
        private void updateAllInfo_Tick(object sender, EventArgs e)
        {
            //byte[] Response = System.Text.Encoding.Default.GetBytes(Conmmend.GET_ALL_COLLECTER_INFO);//响应登录


            //获取所有网关ip与端口号
            DataOp dataOp = new DataOp(this.oracleip, this.oracleport, this.database, this.userid, this.password);

            //查询数据库中已注册的网关信息,找到其ip与端口,
            OleDbDataReader data = dataOp.GetAllRowByTable("GATEWAY_T");

            //遍历data,向网关发送数据包
            try
            {
                while (data.Read())
                {
                    string ip   = data[2].ToString();
                    string port = data[3].ToString();
                    string msg  = Conmmend.GET_ALL_COLLECTER_INFO;//查询所有电表信息

                    byte[] Msg = Encoding.UTF8.GetBytes(msg);

                    System.Net.IPAddress Ip = System.Net.IPAddress.Parse(ip);
                    int Port = int.Parse(port);

                    //Console.WriteLine("send to ip:" + ip + " port: " + port + " " + msg);
                    UDPSocket_serv.Send(Ip, Port, Msg);
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("ex : " + ex.Message);
            }

            dataOp.Close();
        }
コード例 #2
0
        /**
         *
         * 网关心跳线程
         *
         *
         *
         * */
        private void heartBeat_Tick(object sender, EventArgs e)
        {
            DataOp dataOp = new DataOp(this.oracleip, this.oracleport, this.database, this.userid, this.password);

            //查询数据库中已注册的网关信息,找到其ip与端口,发送心跳包
            OleDbDataReader data = dataOp.GetAllRowByTable("GATEWAY_T");

            //遍历data,向网关发送心跳包
            try {
                while (data.Read())
                {
                    string ip   = data[2].ToString();
                    string port = data[3].ToString();
                    string msg  = Conmmend.HEART_BEAT;//心跳协议

                    byte[] Msg = Encoding.UTF8.GetBytes(msg);

                    System.Net.IPAddress Ip = System.Net.IPAddress.Parse(ip);
                    int Port = int.Parse(port);

                    //Console.WriteLine("send to ip:" + ip + " port: " + port + " " + msg);
                    UDPSocket_serv.Send(Ip, Port, Msg);

                    try {
                        //heartBeatResCounts.TryGetValue(ip,out count);
                        int nowCount = heartBeatResCounts[ip]["SendTimes"]++;//该ip节点,发送次数加1;

                        if (nowCount >= 5)
                        {
                            if (heartBeatResCounts[ip]["RecvFlag"] == 1)
                            {
                                //节点活着呢,修改状态
                                string newvalue = "set state = 'Active' ";
                                int    rownum   = dataOp.UpdateOneRow("GATEWAY_T", newvalue, "ADDRESS", ip);

                                if (rownum != 1)
                                {
                                    Console.WriteLine("UpdateOneRow gateway states update error");
                                }
                            }
                            else
                            {
                                //节点已死,修改状态
                                string newvalue = "set state = 'Dead' ";
                                int    rownum   = dataOp.UpdateOneRow("GATEWAY_T", newvalue, "ADDRESS", ip);

                                if (rownum != 1)
                                {
                                    Console.WriteLine("UpdateOneRow gateway states update error");
                                }
                            }
                            heartBeatResCounts[ip]["RecvFlag"]  = 0; //修改标识,进入下一轮
                            heartBeatResCounts[ip]["SendTimes"] = 1; //重新计数
                        }
                    }
                    catch (KeyNotFoundException ex1) {//注意捕获异常顺序,如果第一次无此键, 则初始化
                        Console.WriteLine("ex1 : " + ex1.Message);

                        Dictionary <string, int> beatRes = new Dictionary <string, int>();
                        beatRes["SendTimes"]   = 1;
                        beatRes["RecvFlag"]    = 0;
                        heartBeatResCounts[ip] = beatRes;//初始化发送次数
                    }
                }
            }
            catch (Exception ex) {
                Console.WriteLine("ex : " + ex.Message);
            }

            dataOp.Close();
        }
コード例 #3
0
        /**
         * 托管代码段:当有数据传输到达时进行数据处理
         *
         *
         *
         * */
        private void DataArrival(byte[] Data, System.Net.IPAddress Ip, int Port) //当有数据到达后的处理进程
        {
            Console.WriteLine("IP : " + Ip + " PORT: " + Port);

            //UDPSocket_serv.Send(Ip, Port, Data);
            string msg = Encoding.UTF8.GetString(Data);//linux 端用char[],,c#端用utf8解码

            //infoGetter infos = new infoGetter();

            //<head>id</head><data>datas</data>
            //将数字转化成enum类型,,
            try
            {
                MsgCommand msgkind = (MsgCommand)int.Parse(dataGetter.getHead(msg));
                switch (msgkind)
                {
                case MsgCommand.CONNECT:    //1
                {
                    //MessageBox.Show("1  Registering msg has come");
                    byte[] Response = System.Text.Encoding.Default.GetBytes(Conmmend.CONNECTION_RES);        //响应链接
                    UDPSocket_serv.Send(Ip, Port, Response);
                    //string data = infos.getData(msg);
                    //RegisterUser(data);
                }
                break;

                case MsgCommand.LOGIN:    //3
                {
                    try
                    {
                        UserLogin(msg, Ip, Port);

                        byte[] Response = System.Text.Encoding.Default.GetBytes(Conmmend.LOGIN_MSG_RES);        //响应登录
                        UDPSocket_serv.Send(Ip, Port, Response);
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show("user login : "******"IP : " + Ip + "Heart Beat Response....");
                    heartBeatResCounts[Ip.ToString()]["RecvFlag"] = 1;        //修改该ip节点的心跳包响应状态
                }
                break;

                case MsgCommand.UPDATE_NODE_NUM:
                {
                    Console.WriteLine("IP : " + Ip + " : Node number update....");
                    bool updateFlag = UpdateGatewayOfNode(msg, Ip);        //更新电表附属的网关信息
                    if (updateFlag)
                    {
                        byte[] Response = System.Text.Encoding.Default.GetBytes(Conmmend.UPDATE_NODE_NUM_RES);        //响应电表更新
                        UDPSocket_serv.Send(Ip, Port, Response);
                    }
                }
                break;

                case MsgCommand.COLLECTER_INFO_RES:
                {
                    Console.WriteLine("IP : " + Ip + " : " + msg);
                    bool updateFlag = UpdateHistoryOfInfo(msg);        //更新电表历史信息表
                }
                break;
                }
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);
            }
        }