124 lines
2.8 KiB
C#
124 lines
2.8 KiB
C#
using Salmon.Core;
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using Salmon.Service;
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using System.Diagnostics;
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using System.Text.Json;
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const string ENV_PERIOD = "SALMON_PERIOD";
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const string ENV_URI = "SALMON_URI";
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Console.WriteLine($"Salmon.Service initializing...");
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int? period = null;
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Uri? uri = null;
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bool? monitor_hardware = null;
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bool? monitor_localsoftware = null;
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// 1: use environment variable
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var period_env = Environment.GetEnvironmentVariable(ENV_PERIOD);
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if (period_env != null)
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{
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if (int.TryParse(period_env, out int p))
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period = p;
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else
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Console.WriteLine($"Cannot use env variable {ENV_PERIOD}, should be an int in milliseconds.");
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}
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var uri_env = Environment.GetEnvironmentVariable(ENV_URI);
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if(uri_env != null)
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{
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if (Uri.TryCreate(uri_env, UriKind.Absolute, out var u))
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uri = u;
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else
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Console.WriteLine($"Cannot use env variable {ENV_URI}, url is malformated.");
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}
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// 2: override with configuration file
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string configpath = "config.json";
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if (File.Exists(configpath))
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{
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Console.WriteLine("Found a configuration file, parsing...");
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string content = File.ReadAllText(configpath);
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Configuration? conf = null;
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try
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{
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conf = JsonSerializer.Deserialize<Configuration>(content);
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}
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catch(Exception e)
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{
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Console.WriteLine($"Cannot parse config file \"{configpath}\", {e}.");
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return 1;
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}
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if(conf == null)
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{
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Console.WriteLine($"Cannot parse config file \"{configpath}\".");
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return 1;
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}
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if(conf.Url != null)
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uri = conf.Url;
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if(conf.Period != null)
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period = conf.Period;
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if(conf.MonitorHardware != null)
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monitor_hardware = conf.MonitorHardware;
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if(conf.MonitorLocalSoftware != null)
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monitor_localsoftware = conf.MonitorLocalSoftware;
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}
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//todo: override with parameter
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// 3 : override with argument
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// 4 : override with default
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period ??= 60000;
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monitor_hardware ??= true;
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monitor_localsoftware ??= true;
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// 5 : Check if valid
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if(uri == null)
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{
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Console.WriteLine($"Cannot start: not any URI defined.");
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return 1;
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}
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// Initialisation
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Transmitter transmitter = new();
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Console.WriteLine($"Salmon.Service started at {DateTime.Now}.");
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while ( true )
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{
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var software = Salmon.Model.Monitor.Software.FromLocal();
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List<Element> tosend = new();
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tosend.Add(software);
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if(monitor_hardware == true)
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{
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var hardwares = Salmon.Model.Monitor.Hardware.FromAllHardware();
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tosend.AddRange(hardwares);
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}
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try
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{
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await transmitter.SendAsync(uri, tosend);
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}
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catch(HttpRequestException e)
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{
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Console.WriteLine($"[{e.StatusCode}] Sending data failed: {e.Message}.");
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}
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catch(Exception e)
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{
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Console.WriteLine($"Sending data failed: {e}");
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}
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await Task.Delay(period.Value);
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}
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