58 lines
2.1 KiB
C#
58 lines
2.1 KiB
C#
using LmxFakeProxy;
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using LmxFakeProxy.Bridge;
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using LmxFakeProxy.Services;
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using LmxFakeProxy.Sessions;
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var builder = WebApplication.CreateBuilder(args);
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// Configuration: env vars take precedence over CLI args
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var port = Environment.GetEnvironmentVariable("PORT") ?? GetArg(args, "--port") ?? "50051";
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var opcEndpoint = Environment.GetEnvironmentVariable("OPC_ENDPOINT") ?? GetArg(args, "--opc-endpoint") ?? "opc.tcp://localhost:50000";
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var opcPrefix = Environment.GetEnvironmentVariable("OPC_PREFIX") ?? GetArg(args, "--opc-prefix") ?? "ns=3;s=";
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var apiKey = Environment.GetEnvironmentVariable("API_KEY") ?? GetArg(args, "--api-key");
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builder.WebHost.ConfigureKestrel(options =>
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{
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options.ListenAnyIP(int.Parse(port), listenOptions =>
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{
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listenOptions.Protocols = Microsoft.AspNetCore.Server.Kestrel.Core.HttpProtocols.Http2;
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});
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});
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// Register services
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builder.Services.AddSingleton(new SessionManager(apiKey));
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builder.Services.AddSingleton(new TagMapper(opcPrefix));
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builder.Services.AddSingleton<IOpcUaBridge>(sp =>
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new OpcUaBridge(opcEndpoint, sp.GetRequiredService<ILogger<OpcUaBridge>>()));
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builder.Services.AddGrpc();
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var app = builder.Build();
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app.MapGrpcService<ScadaServiceImpl>();
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app.MapGet("/", () => "LmxFakeProxy is running");
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// Connect to OPC UA backend
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var logger = app.Services.GetRequiredService<ILogger<Program>>();
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logger.LogInformation("LmxFakeProxy starting on port {Port}", port);
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logger.LogInformation("OPC UA endpoint: {Endpoint}, prefix: {Prefix}", opcEndpoint, opcPrefix);
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logger.LogInformation("API key enforcement: {Enforced}", apiKey != null ? "enabled" : "disabled (accept all)");
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var bridge = app.Services.GetRequiredService<IOpcUaBridge>();
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try
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{
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await ((OpcUaBridge)bridge).ConnectAsync();
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logger.LogInformation("OPC UA bridge connected");
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}
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catch (Exception ex)
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{
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logger.LogWarning(ex, "Initial OPC UA connection failed — will retry when first request arrives");
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}
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await app.RunAsync();
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static string? GetArg(string[] args, string name)
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{
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var idx = Array.IndexOf(args, name);
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return idx >= 0 && idx + 1 < args.Length ? args[idx + 1] : null;
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}
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