/**
*
* 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();
}
/**
*
* 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();
}
/**
* 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);
}
}
