async void CheckHealthMonitorAlive()
{
bool isHealthMonitorAlive = false;
Task <string?> tcpMsgTask = TcpMessage.Send(string.Empty, (int)HealthMonitorMessageID.Ping, ServerIp.HealthMonitorPublicIp, ServerIp.DefaultHealthMonitorServerPort);
string? tcpMsgResponse = await tcpMsgTask;
Utils.Logger.Debug("CheckHealthMonitorAlive() returned answer: " + tcpMsgResponse ?? string.Empty);
Console.WriteLine($"HealthMonitor Ping return: '{tcpMsgResponse ?? string.Empty}'");
if (tcpMsgTask.Exception != null || String.IsNullOrEmpty(tcpMsgResponse))
{
string errorMsg = $"Error. CheckHealthMonitorAlive() to {ServerIp.HealthMonitorPublicIp}:{ServerIp.DefaultHealthMonitorServerPort}";
Utils.Logger.Error(errorMsg);
}
else
{
isHealthMonitorAlive = tcpMsgResponse.StartsWith("Ping. Healthmonitor UtcNow: ");
}
if (!isHealthMonitorAlive)
{
new Email
{
ToAddresses = Utils.Configuration["Emails:Gyant"],
Subject = "SqCore Warning! : HealthMonitor is NOT Alive.",
Body = $"SqCore Warning! : HealthMonitor is NOT Alive.",
IsBodyHtml = false
}
}
[HttpPost, HttpGet] // message from HealthMonitor webApp arrives as a Post, not a Get
public async Task <ActionResult> ReportHealthMonitorCurrentStateToDashboardInJSON()
{
Utils.Logger.Info("ReportHealthMonitorCurrentStateToDashboardInJSON() BEGIN");
// TODO: we should check here if it is a HttpGet (or a message without data package) and return gracefully
string response = string.Empty;
try
{
if (Request.Body.CanSeek)
{
Request.Body.Position = 0; // Reset the position to zero to read from the beginning.
}
string jsonToBackEnd = await new StreamReader(Request.Body).ReadToEndAsync();
Task <string?> tcpMsgTask = TcpMessage.Send(jsonToBackEnd, (int)HealthMonitorMessageID.GetHealthMonitorCurrentStateToHealthMonitorWebsite, ServerIp.HealthMonitorPublicIp, ServerIp.DefaultHealthMonitorServerPort, TcpMessageResponseFormat.JSON);
string? tcpMsgResponse = await tcpMsgTask;
if (tcpMsgTask.Exception != null || String.IsNullOrEmpty(tcpMsgResponse))
{
Utils.Logger.Error("Error:HealthMonitor SendMessage exception.");
response = @"{""ResponseToFrontEnd"" : ""Error:HealthMonitor SendMessage exception. Check log file of the WepApp: ";
}
else
{
response = tcpMsgResponse;
}
}
catch (Exception ex)
{
Utils.Logger.Error(ex, "Error:HealthMonitor GetMessage exception.");
response = @"{""ResponseToFrontEnd"" : ""Error: " + ex.Message + @"""}";
}
Utils.Logger.Info("ReportHealthMonitorCurrentStateToDashboardInJSON() END");
return(Content(response, "application/json"));
}