Files
adas-core/adas-core.module.LightBeacons/Devices/Turktbens2LightBeacon.cs

279 lines
9.5 KiB
C#

using adas_core.Domain.Enums;
using adas_core.Domain.Models;
using adas_core.Domain.Utils;
using HtmlAgilityPack;
using Serilog;
namespace adas_core.module.LightBeacons.Devices;
public class Turktbens2LightBeacon : LightBeacon
{
private readonly HttpClient _client;
private readonly int _code = 75;
private readonly bool _emulate;
private readonly ILogger _logger;
private readonly string _password = "password";
private readonly int _port = 1;
private readonly Dictionary<int, int[]> _portMappings = new()
{
{ 1, [0, 1] },
{ 2, [2, 3] },
{ 3, [4, 5] },
{ 4, [6, 7] }
};
private readonly Dictionary<int, string[]> _ports = new()
{
{ 1, ["|1|1|1|2", "|12|0|1|0", "|1|0|1|2"] },
{ 2, ["|1|3|1|2", "|12|1|1|0", "|1|2|1|2"] },
{ 3, ["|1|5|1|2", "|12|2|1|0", "|1|4|1|2"] },
{ 4, ["|1|7|1|2", "|12|3|1|0", "|1|6|1|2"] }
};
private readonly int _timeout = 30;
private readonly string _url;
public Turktbens2LightBeacon(EquatableDictionary<string, object> options) : base(options)
{
_logger = Log.ForContext<Turktbens2LightBeacon>();
if (options == null) throw new ArgumentException("TURKTBENS2Beacon has no options");
if (!options.TryGetValue("url", out var url))
throw new ArgumentException("TURKTBENS2Beacon has no valid url option");
if (url == null) throw new ArgumentException("TURKTBENS2Beacon has no valid url option");
_url = url.ToString()!;
if (options.TryGetValue("password", out var password)) _password = password.ToString() ?? "password";
if (options.TryGetValue("port", out var port)) _port = Convert.ToInt32(port);
if (options.TryGetValue("timeout", out var timeout)) _timeout = Convert.ToInt32(timeout);
if (options.TryGetValue("code", out var code)) _code = Convert.ToInt32(code);
if (options.TryGetValue("emulate", out var emulate)) _emulate = Convert.ToBoolean(emulate);
_client = new HttpClient
{
Timeout = TimeSpan.FromSeconds(_timeout)
};
}
/// <summary>
/// GetByCodeSysAndCode beacon color downloading the html of the web. and using AgilityPackHtml to access.
/// The web is bugged and sometimes you are logged or not. The information is in two urls, the color is formed by 3
/// bits, Vaux html changes if logged/not logged
/// returns OFF when some error appears or try to parse the bits to BalizaColors enum
/// </summary>
/// <returns></returns>
public override async Task<LightBeaconColor> GetBeaconColor()
{
if (_emulate)
return LightBeaconColor.Off;
var httpClient = new HttpClient();
try
{
//we dont need to login to check status
var vauxValue = 0;
var output1Value = 0;
var output2Value = 0;
var outputUri = new Uri($"{_url}/IO01_03.html");
var vauxUri = new Uri($"{_url}/IO12_03.html");
var outputs = await httpClient.GetAsync(outputUri);
var vauxs = await httpClient.GetAsync(vauxUri);
if (!outputs.IsSuccessStatusCode || !vauxs.IsSuccessStatusCode)
return LightBeaconColor.Off;
var outputsHtml = new HtmlDocument();
outputsHtml.LoadHtml(await outputs.Content.ReadAsStringAsync());
var vauxHtml = new HtmlDocument();
vauxHtml.LoadHtml(await vauxs.Content.ReadAsStringAsync());
//GetByCodeSysAndCode Vaux info from vauxUri can be on off and we translate it to 0,1
var trElements = vauxHtml.DocumentNode.SelectNodes("//tr");
if (trElements == null || trElements.Count < _port)
return LightBeaconColor.Off;
var portNode = trElements[_port - 1];
var tdNodes = portNode.SelectNodes(".//td");
var vauxResult = tdNodes[1];
switch (vauxResult.InnerText)
{
case "on":
vauxValue = 1;
break;
//sometimes it display a select option when logged and other times its a label. this case is for option, take selected option
case "offon":
{
var selected = vauxResult.SelectSingleNode("select").SelectSingleNode("option[@selected]");
if (selected.InnerText.Equals("on")) vauxValue = 1;
break;
}
}
//GetByCodeSysAndCode outputs info
var checkboxElements = outputsHtml.DocumentNode.SelectNodes("//input[@type='checkbox']");
if (checkboxElements == null)
return LightBeaconColor.Off;
var portsParsed = _portMappings.TryGetValue(_port, out var mappedValues);
if (!portsParsed) return LightBeaconColor.Off;
var output1 = checkboxElements[mappedValues![0]];
var output2 = checkboxElements[mappedValues[1]];
if (output1.Attributes["checked"] != null) output1Value = 1;
if (output2.Attributes["checked"] != null) output2Value = 1;
var finalValue = $"{output2Value}{vauxValue}{output1Value}";
var parsed = Enum.TryParse(finalValue, out LightBeaconColor parsedColor);
return parsed ? parsedColor : LightBeaconColor.Off;
}
catch (Exception e)
{
_logger.Error(
"Exception trying to get beacon color for beacon: {url} port: {port} ex: {eMessage}, trace: {eStackTrace}",
_url, _port, e.Message, e.StackTrace);
return LightBeaconColor.Off;
}
finally
{
httpClient.Dispose();
}
}
public override async Task BlueCode()
{
try
{
await Send(ColorsCodes.Blue);
}
catch (Exception e)
{
_logger.Error("An error occurred while sending the Blue code: {Message}", e.Message);
throw;
}
}
public override async Task RedCode()
{
try
{
await Send(ColorsCodes.Red);
}
catch (Exception e)
{
_logger.Error("An error occurred while sending the Red code: {Message}", e.Message);
throw;
}
}
public override async Task YellowCode()
{
try
{
await Send(ColorsCodes.Yellow);
}
catch (Exception e)
{
_logger.Error("An error occurred while sending the Yellow code: {Message}", e.Message);
throw;
}
}
public override async Task PowerOffLed()
{
try
{
await Send(ColorsCodes.Off);
}
catch (Exception e)
{
_logger.Error("An error occurred while sending the power off code: {Message}", e.Message);
throw;
}
}
public override Task GenerateColorAlert(PatientObservation obs)
{
throw new NotImplementedException();
}
private async Task Send(ColorsCodes colorCodes)
{
var clr = ((int)colorCodes).ToString().PadLeft(3, '0');
var passwordEncoded = Uri.EscapeDataString(_password);
var body = new Dictionary<string, string>
{
{ "access_password", passwordEncoded },
{ _code + _ports[_port][0], clr[0].ToString() },
{ _code + _ports[_port][1], clr[1].ToString() },
{ _code + _ports[_port][2], clr[2].ToString() }
};
if (!_emulate)
try
{
await SendMessage(body);
}
catch (Exception e)
{
_logger.Error("Failed to send color codes: {errorMessage}", e.Message);
throw;
}
}
protected async Task SendMessage(Dictionary<string, string> body)
{
if (string.IsNullOrEmpty(_url)) throw new InvalidOperationException("URL is not set.");
var retryCount = 0;
const int maxRetries = 3; // Número máximo de intentos
var delayMilliseconds = 500; // Tiempo de espera inicial entre reintentos
while (retryCount < maxRetries)
try
{
var uri = new Uri(_url);
var content = new FormUrlEncodedContent(body);
var b = await content.ReadAsStringAsync();
_logger.Debug("Sending to {url} body {b}", _url, b);
var response = await _client.PostAsync(uri, content);
if (!response.IsSuccessStatusCode)
throw new Exception(
$"HTTP error: {response.StatusCode} while sending message to {_url} with body {b}");
break;
}
catch (Exception e)
{
retryCount++;
_logger.Warning(
"Error sending to url: {url}, message: {eMessage}, stack trace: {eStackTrace}, attempt: {retryCount}",
_url, e.Message, e.StackTrace, retryCount);
if (retryCount >= maxRetries)
{
_logger.Error("Max retry attempts reached. Failing operation.");
throw;
}
await Task.Delay(delayMilliseconds);
delayMilliseconds *= 2; // Incrementa el tiempo de espera para cada reintento
}
}
private enum ColorsCodes
{
Off = 000,
Red = 001,
Yellow = 011,
Green = 010,
Cyan = 110,
Blue = 100,
Magenta = 101,
White = 111
}
}