From c5bd5418adbb17f66088919f4b790cd27eab7868 Mon Sep 17 00:00:00 2001
From: Joseph Doherty <dohejw01@gmail.com>
Date: Sun, 24 May 2026 03:58:07 -0400
Subject: [PATCH] feat(transport): add TransportOptions

---
 src/ScadaLink.Transport/ScadaLink.Transport.csproj    |  4 ++++
 .../ServiceCollectionExtensions.cs                    |  4 +++-
 src/ScadaLink.Transport/TransportOptions.cs           | 11 +++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 src/ScadaLink.Transport/TransportOptions.cs

diff --git a/src/ScadaLink.Transport/ScadaLink.Transport.csproj b/src/ScadaLink.Transport/ScadaLink.Transport.csproj
index 2aa3116..a1ac6db 100644
--- a/src/ScadaLink.Transport/ScadaLink.Transport.csproj
+++ b/src/ScadaLink.Transport/ScadaLink.Transport.csproj
@@ -7,6 +7,10 @@
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="../ScadaLink.Commons/ScadaLink.Commons.csproj" />
     <ProjectReference Include="../ScadaLink.ConfigurationDatabase/ScadaLink.ConfigurationDatabase.csproj" />
diff --git a/src/ScadaLink.Transport/ServiceCollectionExtensions.cs b/src/ScadaLink.Transport/ServiceCollectionExtensions.cs
index 8497f48..ba819c3 100644
--- a/src/ScadaLink.Transport/ServiceCollectionExtensions.cs
+++ b/src/ScadaLink.Transport/ServiceCollectionExtensions.cs
@@ -1,4 +1,5 @@
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
 
 namespace ScadaLink.Transport;
 
@@ -9,7 +10,8 @@ public static class ServiceCollectionExtensions
     public static IServiceCollection AddTransport(this IServiceCollection services)
     {
         ArgumentNullException.ThrowIfNull(services);
-        // Concrete services and options binding added in later tasks.
+        services.AddOptions<TransportOptions>().BindConfiguration(OptionsSection);
+        // Concrete services added in later tasks.
         return services;
     }
 }
diff --git a/src/ScadaLink.Transport/TransportOptions.cs b/src/ScadaLink.Transport/TransportOptions.cs
new file mode 100644
index 0000000..b91ff9a
--- /dev/null
+++ b/src/ScadaLink.Transport/TransportOptions.cs
@@ -0,0 +1,11 @@
+namespace ScadaLink.Transport;
+
+public sealed class TransportOptions
+{
+    public int BundleSessionTtlMinutes { get; set; } = 30;
+    public int MaxBundleSizeMb { get; set; } = 100;
+    public int MaxUnlockAttemptsPerSession { get; set; } = 3;
+    public int MaxUnlockAttemptsPerIpPerHour { get; set; } = 10;
+    public int Pbkdf2Iterations { get; set; } = 600_000;
+    public int SchemaVersionMajor { get; set; } = 1;
+}