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Update Weather to .NET 8 and add telemetry

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Chris Kaczor
2024-01-25 16:25:59 -05:00
parent 2394f613d2
commit 5d0bc2c31c
28 changed files with 856 additions and 775 deletions
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289
Weather/SerialReader/SerialReader.cs
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@@ -8,163 +8,158 @@ using System.IO.Ports;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
namespace ChrisKaczor.HomeMonitor.Weather.SerialReader
namespace ChrisKaczor.HomeMonitor.Weather.SerialReader;
public class SerialReader(IConfiguration configuration, ILogger<SerialReader> logger) : IHostedService
{
public class SerialReader : IHostedService
public static bool BoardStarted { get; private set; }
public static DateTimeOffset LastReading { get; private set; }
private CancellationToken _cancellationToken;
public Task StartAsync(CancellationToken cancellationToken)
{
private readonly IConfiguration _configuration;
_cancellationToken = cancellationToken;
public static bool BoardStarted { get; private set; }
public static DateTimeOffset LastReading { get; private set; }
Task.Run(Execute, cancellationToken);
private CancellationToken _cancellationToken;
return Task.CompletedTask;
}
public SerialReader(IConfiguration configuration)
private void Execute()
{
var baudRate = configuration.GetValue<int>("Weather:Port:BaudRate");
while (!_cancellationToken.IsCancellationRequested)
{
_configuration = configuration;
}
public Task StartAsync(CancellationToken cancellationToken)
{
_cancellationToken = cancellationToken;
Task.Run(Execute, cancellationToken);
return Task.CompletedTask;
}
private void Execute()
{
var baudRate = int.Parse(_configuration["Weather:Port:BaudRate"]);
while (!_cancellationToken.IsCancellationRequested)
try
{
try
{
WriteLog("Starting main loop");
Thread.Sleep(1000);
var port = GetPort();
if (port == null)
continue;
using var serialPort = new SerialPort(port, baudRate) { NewLine = "\r\n" };
WriteLog("Opening serial port");
serialPort.Open();
BoardStarted = false;
var factory = new ConnectionFactory
{
HostName = _configuration["Weather:Queue:Host"],
UserName = _configuration["Weather:Queue:User"],
Password = _configuration["Weather:Queue:Password"]
};
WriteLog("Connecting to queue server");
using var connection = factory.CreateConnection();
using var model = connection.CreateModel();
WriteLog("Declaring queue");
model.QueueDeclare(_configuration["Weather:Queue:Name"], true, false, false, null);
WriteLog("Starting serial read loop");
ReadSerial(serialPort, model);
}
catch (Exception exception)
{
WriteLog($"Exception: {exception}");
}
}
}
private void ReadSerial(SerialPort serialPort, IModel model)
{
while (!_cancellationToken.IsCancellationRequested)
{
try
{
var message = serialPort.ReadLine();
if (!BoardStarted)
{
BoardStarted = message.Contains("Board starting");
if (BoardStarted)
WriteLog("Board started");
}
if (!BoardStarted)
{
WriteLog($"Message received but board not started: {message}");
continue;
}
LastReading = DateTimeOffset.UtcNow;
WriteLog($"Message received: {message}");
var weatherMessage = WeatherMessage.Parse(message);
var messageString = JsonConvert.SerializeObject(weatherMessage);
var body = Encoding.UTF8.GetBytes(messageString);
var properties = model.CreateBasicProperties();
properties.Persistent = true;
model.BasicPublish(string.Empty, _configuration["Weather:Queue:Name"], properties, body);
}
catch (TimeoutException)
{
WriteLog("Serial port read timeout");
}
}
}
private string GetPort()
{
var portPrefix = _configuration["Weather:Port:Prefix"];
while (!_cancellationToken.IsCancellationRequested)
{
WriteLog($"Checking for port starting with: {portPrefix}");
var ports = SerialPort.GetPortNames();
var port = Array.Find(ports, p => p.StartsWith(portPrefix));
if (port != null)
{
WriteLog($"Port found: {port}");
return port;
}
WriteLog("Port not found - waiting");
WriteLog("Starting main loop");
Thread.Sleep(1000);
var port = GetPort();
if (port == null)
continue;
using var serialPort = new SerialPort(port, baudRate);
serialPort.NewLine = "\r\n";
WriteLog("Opening serial port");
serialPort.Open();
BoardStarted = false;
var factory = new ConnectionFactory
{
HostName = configuration["Weather:Queue:Host"],
UserName = configuration["Weather:Queue:User"],
Password = configuration["Weather:Queue:Password"]
};
WriteLog("Connecting to queue server");
using var connection = factory.CreateConnection();
using var model = connection.CreateModel();
WriteLog("Declaring queue");
model.QueueDeclare(configuration["Weather:Queue:Name"], true, false, false, null);
WriteLog("Starting serial read loop");
ReadSerial(serialPort, model);
}
catch (Exception exception)
{
WriteLog($"Exception: {exception}");
}
return null;
}
private static void WriteLog(string message)
{
Console.WriteLine(message);
}
public Task StopAsync(CancellationToken cancellationToken)
{
return Task.CompletedTask;
}
}
}
private void ReadSerial(SerialPort serialPort, IModel model)
{
while (!_cancellationToken.IsCancellationRequested)
{
try
{
var message = serialPort.ReadLine();
if (!BoardStarted)
{
BoardStarted = message.Contains("Board starting");
if (BoardStarted)
WriteLog("Board started");
}
if (!BoardStarted)
{
WriteLog($"Message received but board not started: {message}");
continue;
}
LastReading = DateTimeOffset.UtcNow;
WriteLog($"Message received: {message}");
var weatherMessage = WeatherMessage.Parse(message);
var messageString = JsonConvert.SerializeObject(weatherMessage);
var body = Encoding.UTF8.GetBytes(messageString);
var properties = model.CreateBasicProperties();
properties.Persistent = true;
model.BasicPublish(string.Empty, configuration["Weather:Queue:Name"], properties, body);
}
catch (TimeoutException)
{
WriteLog("Serial port read timeout");
}
}
}
private string GetPort()
{
var portPrefix = configuration["Weather:Port:Prefix"]!;
while (!_cancellationToken.IsCancellationRequested)
{
WriteLog($"Checking for port starting with: {portPrefix}");
var ports = SerialPort.GetPortNames();
var port = Array.Find(ports, p => p.StartsWith(portPrefix));
if (port != null)
{
WriteLog($"Port found: {port}");
return port;
}
WriteLog("Port not found - waiting");
Thread.Sleep(1000);
}
return null;
}
private void WriteLog(string message)
{
logger.LogInformation(message);
}
public Task StopAsync(CancellationToken cancellationToken)
{
return Task.CompletedTask;
}
}