protected sealed override async Task ConnectAndGetValueImplAsync(CancellationToken cancel = default)
{
await Task.Yield();
ComPortClient?client = null;
try
{
client = new ComPortClient(this.Settings.ComSettings);
await using ShellClientSock sock = await client.ConnectAndGetSockAsync(cancel);
await TaskUtil.DoAsyncWithTimeout(async (c) =>
{
await Task.Yield();
await GetValueFromComPortImplAsync(sock, c);
return(0);
},
cancelProc : () =>
{
sock._DisposeSafe(new OperationCanceledException());
},
cancel : cancel);
}
catch
{
await client._DisposeSafeAsync();
throw;
}
}
protected override async Task GetValueFromComPortImplAsync(ShellClientSock sock, CancellationToken cancel = default)
{
var reader = new BinaryLineReader(sock.Stream);
while (true)
{
string?line = await reader.ReadSingleLineStringAsync(cancel : cancel);
if (line == null)
{
break;
}
// ここで line には "0123.4A" のようなアンペア文字列が入っているはずである。
if (line.EndsWith("A"))
{
string numstr = line._SliceHead(line.Length - 1);
if (double.TryParse(numstr, out double value))
{
SensorData data = new SensorData(value.ToString("F2"));
this.UpdateCurrentData(data);
}
}
}
}
public UnixShellProcessor(ShellClientSock sock, bool disposeObject = false, UnixShellProcessorSettings?settings = null)
: base(sock, disposeObject, settings ?? new UnixShellProcessorSettings())
{
try
{
}
catch
{
this._DisposeSafe();
throw;
}
}
public ShellProcessor(ShellClientSock sock, bool disposeObject = false, ShellProcessorSettings?settings = null)
{
try
{
if (settings == null)
{
settings = new ShellProcessorSettings();
}
this.Sock = sock;
this.DisposeObject = disposeObject;
this.Settings = settings;
this.Reader = new BinaryLineReader(this.Sock.Stream);
}
catch
{
this._DisposeSafe();
throw;
}
}
protected abstract Task GetValueFromComPortImplAsync(ShellClientSock sock, CancellationToken cancel = default);
