134 lines
4.1 KiB
C#
134 lines
4.1 KiB
C#
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using System;
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using System.Text.RegularExpressions;
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using Aitex.Core.RT.Device;
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using Aitex.Core.RT.Log;
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namespace MECF.Framework.RT.EquipmentLibrary.HardwareUnits.LoadPorts.TDK
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{
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public interface IMsg
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{
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string deviceID { set; }
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bool background { get; }
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string package(params object[] args);
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string retry();
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/// </summary>
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/// return value, completed
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/// <param name="type"></param>
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/// <param name="cmd"></param>
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/// <returns></returns>
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bool unpackage(string type, string[] cmd);
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bool canhandle(string id);
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}
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public class handler<T> : IHandler where T : IMsg, new()
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{
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private static int retry_time = 3;
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private int retry_count = retry_time;
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private T _imp = new T();
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public int ID { get; set; }
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public int Unit { get; set; }
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public bool IsBackground { get { return _imp.background; } }
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private object[] _objs = null;
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private string _deviceID = string.Empty;
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private LoadPort _lpdevice;
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public handler(LoadPort lp, string deviceID, params object[] objs)
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{
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_deviceID = deviceID;
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_imp.deviceID = _deviceID;
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this._objs = objs;
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_lpdevice = lp;
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}
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public bool Execute<TPort>(ref TPort port) where TPort : ICommunication
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{
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//_lpdevice.ExecuteError = false;
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retry_count = retry_time;
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return port.Write(string.Format("s00{0};\r", _imp.package(this._objs)));
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}
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/// <summary>
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/// return value: bhandle
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/// </summary>
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/// <typeparam name="TPort"></typeparam>
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/// <param name="port"></param>
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/// <param name="msg"></param>
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/// <param name="completed"></param>
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/// <returns></returns>
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public bool OnMessage<TPort>(ref TPort port, string message, out bool completed) where TPort : ICommunication
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{
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// message = "ACK:STATE/A000A400101000101000;";
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completed = false;
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try
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{
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string msg = message.TrimEnd(';');
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string[] words = Regex.Split(msg, ":");
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string type = words[0];
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string data = words[1];
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string[] items = Regex.Split(data, "/");
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if (!_imp.canhandle(items[0]))
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return false;
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if (type == "ABS")
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{
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_lpdevice.ExecuteError = true;
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throw (new ExcuteFailedException(message));
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}
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else if (type == "NAK") //process retry
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{
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if (items.Length > 1)
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{
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string cause = items[1];
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if (cause != "CKSUM" || cause != "CMDER")
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{
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string warning = string.Format("can't excute retry, failed cause is {0}", cause);
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LOG.Warning(warning);
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throw (new ExcuteFailedException(warning));
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}
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if (retry_count-- <= 0)
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{
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string warning = string.Format("retry over {0} times", retry_time);
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LOG.Warning(warning);
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throw (new ExcuteFailedException(warning));
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}
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port.Write(_imp.retry());
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return true;
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}
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}
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else
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{
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//_lpdevice.ExecuteError = false;
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completed = _imp.unpackage(type, items);
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return true;
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}
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}
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catch (ExcuteFailedException e)
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{
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throw (e);
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}
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catch (Exception ex)
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{
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LOG.Write(ex);
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throw (new InvalidPackageException(message));
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}
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return false;
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}
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}
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}
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