private async Task InitServiceHub()
{
_serviceHub = new SerialServiceHub(WebServerUrl, this);
var connection = await _serviceHub.Start();
connection.On("queueEmpty", (int id) =>
{
if (PortId == id)
{
CommandQueueEmpty?.Invoke(this, new SerialEventArgs());
}
});
connection.On("queueChanged", (int id, int queuelength) =>
{
if (PortId == id)
{
CommandQueueChanged?.Invoke(this, new SerialEventArgs(queuelength, null));
}
});
connection.On("sendingCommand", (int id, int seqId) =>
{
if (PortId == id)
{
CommandSending?.Invoke(this, new SerialEventArgs(new SerialCommand()
{
SeqId = seqId
}));
}
});
}
public async Task DisconnectAsync()
{
if (PortId >= 0)
{
using (var scope = CreateScope())
{
var response = await scope.Instance.PostAsJsonAsync($@"{_api}/{PortId}/disconnect", "x");
if (response.IsSuccessStatusCode)
{
_serviceHub?.Stop();
_serviceHub = null;
IsConnected = false;
PortId = -1;
return;
}
}
}
throw new Exception("DisConnect to SerialPort failed");
}
public async Task DisconnectAsync()
{
if (PortId != 0)
{
using (HttpClient client = CreateHttpClient())
{
HttpResponseMessage response = await client.PostAsJsonAsync($@"{_api}/{PortId}/disconnect", "x");
if (response.IsSuccessStatusCode)
{
_serviceHub?.Stop();
_serviceHub = null;
IsConnected = false;
PortId = 0;
return;
}
}
}
throw new Exception("DisConnect to SerialPort failed");
}