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69 lines
2.3 KiB
69 lines
2.3 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using QMAPP.FJC.Entity.EnergyManage;
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namespace MeterReadingService.MeterReader
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{
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/// <summary>
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/// 智能电表读取类
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/// </summary>
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public class ElectricMeterReader:IMeterReader
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{
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Dictionary<string, System.Net.Sockets.TcpClient> meterDic = new Dictionary<string, System.Net.Sockets.TcpClient>();
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public double Read(Meter meter)
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{
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if (!meterDic.ContainsKey(meter.NET_ADDR))
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{
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meterDic.Add(meter.NET_ADDR, new System.Net.Sockets.TcpClient());
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}
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var mclient = meterDic[meter.NET_ADDR];
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if (!mclient.Connected)
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{
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mclient.Connect(meter.NET_ADDR.Split(':')[0], int.Parse(meter.NET_ADDR.Split(':')[0]));
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}
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byte[] readcommand = new byte[] { 0x00, 0xAA, 0xEF, 0x09, 0x09 };
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mclient.Client.Send(readcommand);
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byte[] response =new byte[100];
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mclient.Client.Receive(response);
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int reading = BitConverter.ToInt32(response, 8);
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return reading / 10d;
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}
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public IAsyncResult BeginRead(Meter meter, AsyncCallback readCallback, object state)
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{
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if (!meterDic.ContainsKey(meter.NET_ADDR))
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{
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meterDic.Add(meter.NET_ADDR, new System.Net.Sockets.TcpClient());
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}
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var mclient = meterDic[meter.NET_ADDR];
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if (!mclient.Connected)
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{
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mclient.Connect(meter.NET_ADDR.Split(':')[0], int.Parse(meter.NET_ADDR.Split(':')[0]));
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}
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Action act = new Action(() => {
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this.Read(meter);
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});
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return act.BeginInvoke(readCallback, state);
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}
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public void EndRead(out int result, out double reading, out string error, IAsyncResult Asyncresult)
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{
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if (Asyncresult.IsCompleted)
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{
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byte[] readbuffer = (byte[])Asyncresult.AsyncState;
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result = 1;
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reading = BitConverter.ToInt32(readbuffer, 8) / 10d;
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error = "";
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}
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else
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{
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result = -1;
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reading = -1;
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error = "读取超时！";
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}
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}
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}
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}
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