/// <summary>
/// 添加一台设备
/// </summary>
/// <param name="machine">设备</param>
public void AddMachine(BaseMachine machine)
{
machine.KeepConnect = KeepConnect;
lock (_machines)
{
_machines.Add(machine);
}
}
/// <summary>
/// 移除设备
/// </summary>
/// <param name="machine">设备的实例</param>
public void RemoveMachine(BaseMachine machine)
{
lock (_machines)
{
_machines.Remove(machine);
}
lock (_unlinkedMachines)
{
_unlinkedMachines.Remove(machine);
}
}
/// <summary>
/// 设置数据
/// </summary>
/// <param name="connectionToken">设备的连接标识</param>
/// <param name="values">需要设置的数据</param>
/// <returns>是否设置成功</returns>
public async Task <bool> SetDatasAsync(string connectionToken,
Dictionary <string, double> values)
{
BaseMachine machine = null;
lock (_machines)
{
machine = _machines.FirstOrDefault(p => p.ConnectionToken == connectionToken);
}
if (machine == null)
{
return(false);
}
return(await machine.SetDatasAsync(SetDataType, values));
}
/// <summary>
/// 执行对具体设备的数据更新
/// </summary>
/// <param name="machine">设备的实例</param>
/// <returns></returns>
private async Task RunTask(BaseMachine machine)
{
try
{
//调试代码，调试时取消下面一下代码的注释，会同步调用获取数据。
//var ans = machine.GetDatas();
//设置Cancellation Token
CancellationTokenSource cts = new CancellationTokenSource();
//超时后取消任务
cts.CancelAfter(TimeSpan.FromSeconds(_getCycle));
//读取数据
var ans = await machine.GetDatasAsync(GetDataType).WithCancellation(cts.Token);
if (!machine.IsConnected)
{
MoveMachineToUnlinked(machine.Id);
}
else
{
MoveMachineToLinked(machine.Id);
}
ReturnValues?.Invoke(new TaskReturnDef()
{
MachineId = machine.Id,
ReturnValues = ans
});
}
catch (Exception e)
{
if (!machine.IsConnected)
{
MoveMachineToUnlinked(machine.Id);
}
ReturnValues?.Invoke(new TaskReturnDef()
{
MachineId = machine.Id,
ReturnValues = null
});
}
}
/// <summary>
/// 添加一台设备
/// </summary>
/// <param name="machine">设备</param>
public void AddMachine(BaseMachine machine)
{
base.AddMachine(machine);
}