//定时轮询
/// <summary>
/// 在指定时间过后执行指定的表达式
/// </summary>
/// <param name="interval">事件之间经过的时间（以毫秒为单位）</param>
/// <param name="action">要执行的表达式</param>
private static void SetTimeout(double interval, Action action, string outTradeNo, string key, string machineId)
{
if (key == "42") //是否为出货指令
{
if (!dicTimers.ContainsKey(outTradeNo))
{
dicTimers.Add(outTradeNo, new Timer(interval));
dicTimers[outTradeNo].Elapsed += delegate(object sender, System.Timers.ElapsedEventArgs e)
{
if (MachineHelper.IsLegalOrder(outTradeNo))
{
action();
}
else
{
dicTimers[outTradeNo].Enabled = false;
dicTimers.Remove(outTradeNo);
}
};
}
dicTimers[outTradeNo].Enabled = true;
dicTimers[outTradeNo].AutoReset = true;
}
else //非出货指令发两次
{
Timer timer = new Timer(interval);
timer.Elapsed += delegate(object sender, System.Timers.ElapsedEventArgs e)
{
if (!MachineHelper.IsExistPush(machineId, key))// 判断该指令是否存在
{
timer.Enabled = false;
}
else
{
timer.Enabled = false;
action();
}
};
}
}
//49(十六进制)开头为后端向socket的标识头
//webCommandType标识指令的意思(十进制) 10:通知出货 11:一键补货 12:按货道补货 13:修改最大库存 14：现金价格下推
//totalSize表示需要加密的内容 去除49+webCommandType 48 size(两个字节) chunksum验证 和结尾 EE
//socketCommand表示向机器下推的指令标识
public static string GenerateCommand(byte webCommandType, int totalSize, byte socketCommand, List <CommandModel> lstCommandModel)
{
byte[] sendByte = new byte[totalSize + 7]; //49+commandType + 48+size+chunk+content+EE
sendByte[0] = 73;
sendByte[1] = webCommandType; //
sendByte[2] = 72;
ByteHelper.IntToTwoByte(totalSize).CopyTo(sendByte, 3); //size
//sendByte[4] = chunk
sendByte[6] = socketCommand;
int i = 0;
foreach (CommandModel cmdModel in lstCommandModel)
{
//byte[] transByte = ByteHelper.strToAscii(cmdModel.Content);
ByteHelper.strToAscii(cmdModel.Content).CopyTo(sendByte, 7 + i);
i = i + cmdModel.Size;
}
sendByte[5] = GetChunk(sendByte.Skip(6).Take(totalSize).ToArray());
sendByte[totalSize + 6] = 238;
string machineId = ByteHelper.GenerateRealityData(sendByte.Skip(7).Take(12).ToArray(), "stringval");
string outTradeNo = string.Empty;
string key = ByteHelper.Ten2Hex(socketCommand.ToString());
if (key == "42") //出货结果通知指令
{
outTradeNo = ByteHelper.GenerateRealityData(sendByte.Skip(19).Take(22).ToArray(), "stringval");
}
// 发送前加密
ByteHelper.Encryption(totalSize, sendByte.Skip(6).ToArray()).CopyTo(sendByte, 6);
serverFullAddr = new IPEndPoint(serverIp, int.Parse(ConfigurationManager.AppSettings["SocketPort"]));//设置IP，端口
socketSend(sendByte);
SetTimeout(5000, delegate {
socketSend(sendByte);
}, outTradeNo, key, machineId);
if (key == "42") //出货结果通知指令
{
try
{
MachineHelper.CacheOrder(outTradeNo, ByteHelper.byteToHexStr(sendByte.Skip(2).ToArray()));
}
catch (Exception ex)
{
MachineHelper.CacheOrder(outTradeNo, ByteHelper.byteToHexStr(sendByte.Skip(2).ToArray()));
}
}
else
{
try
{
MachineHelper.CachePush(machineId, key, ByteHelper.byteToHexStr(sendByte.Skip(2).ToArray()));
}
catch (Exception ex)
{
MachineHelper.CachePush(machineId, key, ByteHelper.byteToHexStr(sendByte.Skip(2).ToArray()));
}
}
return("");
}