feat(ITcpSocketFactory): redesign GetOrCreate method

src/BootstrapBlazor/Services/TcpSocket/DefaultTcpSocketFactory.cs

@@ -16,10 +16,11 @@ class DefaultTcpSocketFactory(IServiceProvider provider) : ITcpSocketFactory
 {
     private readonly ConcurrentDictionary<string, ITcpSocketClient> _pool = new();
 
-    public ITcpSocketClient GetOrCreate(string name, IPEndPoint endPoint)
+    public ITcpSocketClient GetOrCreate(string name, Func<string, IPEndPoint> valueFactory)
     {
         return _pool.GetOrAdd(name, key =>
         {
+            var endPoint = valueFactory(key);
             var client = new DefaultTcpSocketClient(endPoint)
             {
                 Logger = provider.GetService<ILogger<DefaultTcpSocketClient>>()

src/BootstrapBlazor/Services/TcpSocket/ITcpSocketFactory.cs

@@ -13,15 +13,14 @@ namespace BootstrapBlazor.Components;
 public interface ITcpSocketFactory : IDisposable
 {
     /// <summary>
-    /// Retrieves an existing TCP socket client by name or creates a new one if it does not exist.
+    /// Retrieves an existing TCP socket client by name or creates a new one using the specified factory function.
     /// </summary>
-    /// <param name="name">The unique name used to identify the TCP socket client. Cannot be null or empty.</param>
-    /// <param name="endPoint">The network endpoint to associate with the TCP socket client. Must be a valid <see
-    /// cref="System.Net.IPEndPoint"/> instance.</param>
-    /// <returns>An instance of <see cref="ITcpSocketClient"/> representing the TCP socket client associated with the specified
-    /// name and endpoint. If a client with the given name already exists, the existing instance is returned; otherwise,
-    /// a new client is created.</returns>
-    ITcpSocketClient GetOrCreate(string name, IPEndPoint endPoint);
+    /// <param name="name">The unique name identifying the TCP socket client. Cannot be null or empty.</param>
+    /// <param name="valueFactory">A factory function that generates an <see cref="IPEndPoint"/> for the client.  The function is invoked if a
+    /// client with the specified name does not already exist.</param>
+    /// <returns>An instance of <see cref="ITcpSocketClient"/> associated with the specified name.  If a client with the given
+    /// name already exists, the existing instance is returned; otherwise, a new instance is created.</returns>
+    ITcpSocketClient GetOrCreate(string name, Func<string, IPEndPoint> valueFactory);
 
     /// <summary>
     /// Removes the TCP socket client associated with the specified name.

test/UnitTest/Services/TcpSocketFactoryTest.cs

@@ -24,17 +24,17 @@ public void GetOrCreate_Ok()
         sc.AddBootstrapBlazorTcpSocketFactory();
         var provider = sc.BuildServiceProvider();
         var factory = provider.GetRequiredService<ITcpSocketFactory>();
-        var client1 = factory.GetOrCreate("demo", "localhost", 0);
+        var client1 = factory.GetOrCreate("demo", key => Utility.ConvertToIpEndPoint("localhost", 0));
         client1.Close();
 
-        var client2 = factory.GetOrCreate("demo", "localhost", 0);
+        var client2 = factory.GetOrCreate("demo", key => Utility.ConvertToIpEndPoint("localhost", 0));
         Assert.Equal(client1, client2);
 
         var ip = Dns.GetHostAddresses(Dns.GetHostName(), AddressFamily.InterNetwork).FirstOrDefault() ?? IPAddress.Loopback;
-        var client3 = factory.GetOrCreate("demo1", ip.ToString(), 0);
+        var client3 = factory.GetOrCreate("demo1", key => Utility.ConvertToIpEndPoint(ip.ToString(), 0));
 
         // 测试不合格 IP 地址
-        var client4 = factory.GetOrCreate("demo2", "256.0.0.1", 0);
+        var client4 = factory.GetOrCreate("demo2", key => Utility.ConvertToIpEndPoint("256.0.0.1", 0));
 
         var client5 = factory.Remove("demo2");
         Assert.Equal(client4, client5);
@@ -450,7 +450,7 @@ private static ITcpSocketClient CreateClient()
         sc.AddBootstrapBlazorTcpSocketFactory();
         var provider = sc.BuildServiceProvider();
         var factory = provider.GetRequiredService<ITcpSocketFactory>();
-        var client = factory.GetOrCreate("test", "localhost", 0);
+        var client = factory.GetOrCreate("test", key => Utility.ConvertToIpEndPoint("localhost", 0));
         return client;
     }