private async Task <MqttResult> SendMqttMessageAsync(String id, String username, String sendMsg, String cmdId)
{
TwainCloudServer tcs = null;
if (map.ContainsKey(username))
{
tcs = map[username];
}
if (null == tcs || !tcs.isConnected())
{
tcs = new TwainCloudServer(StringUtil.GetTopic_RecieveMsgFromDevice(username));
map[username] = tcs;
await tcs.Connect();
}
if (cmdId == null || cmdId.Length == 0)
{
tcs.ClearLastMsg();
}
DateTime startSend = DateTime.Now;
TimeSpan timeoutSpan = new TimeSpan(0, 0, 30); // 30s
if (sendMsg.IndexOf("x-privet-token:\\\"\\\"") > 0)
{
timeoutSpan = new TimeSpan(0, 0, 5); // 5s
}
await tcs.Send(StringUtil.GetTopic_SendMsgToDevice(id), sendMsg);
MqttResult ret = new MqttResult();
ret.bTimeout = false;
while (tcs.GetMessage(cmdId) == null)
{
if (DateTime.Now - startSend > timeoutSpan)
{
// timeout
ret.bTimeout = true;
ret.errorString = "timed out.";
break;
}
await Task.Delay(100);
}
ret.result = tcs.GetMessage(cmdId);
Logger.LogDebug("Get Message:" + ret);
return(ret);
}
public MqttResult SendMqttMessage(String id, String username, String sendMsg, String cmdId)
{
MqttResult ret = null;
this.Logger.LogDebug("start sendMsg :" + sendMsg);
Task.Run(async() =>
{
try
{
ret = await SendMqttMessageAsync(id, username, sendMsg, cmdId);
} catch (Exception e) {
this.Logger.LogError(e.Message);
}
}).Wait();
this.Logger.LogDebug("sendMsg ok:" + sendMsg);
return(ret);
}