* Start adding Uris to ConnectionSettings.

* Add ClusterTests file.

RabbitMQ.AMQP.Client/IConnectionSettings.cs

@@ -3,6 +3,7 @@
 // Copyright (c) 2017-2024 Broadcom. All Rights Reserved. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
 
 using System;
+using System.Collections.Generic;
 using System.Net.Security;
 using System.Security.Authentication;
 using System.Security.Cryptography.X509Certificates;
@@ -24,6 +25,7 @@ public interface IConnectionSettings : IEquatable<IConnectionSettings>
         SaslMechanism SaslMechanism { get; }
         ITlsSettings? TlsSettings { get; }
         IRecoveryConfiguration Recovery { get; }
+        IEnumerable<Uri>? Uris { get; }
     }
 
     /// <summary>

RabbitMQ.AMQP.Client/Impl/AmqpConnection.cs

@@ -359,6 +359,9 @@ void OnOpened(Amqp.IConnection connection, Open openOnOpened)
                     }
                     else
                     {
+                        // TODO
+                        // There is absolutely NO POINT in having an interface if this
+                        // is what will be done!
                         connectionSettings = (ConnectionSettings)_connectionSettings;
                         Address address = connectionSettings.Address;
                         _nativeConnection = await cf.CreateAsync(address: address, open: open, onOpened: OnOpened)

RabbitMQ.AMQP.Client/Impl/ConnectionSettings.cs

@@ -3,13 +3,16 @@
 // Copyright (c) 2017-2024 Broadcom. All Rights Reserved. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
 
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Net.Security;
 using System.Security.Authentication;
 using System.Security.Cryptography.X509Certificates;
 using Amqp;
 
 namespace RabbitMQ.AMQP.Client.Impl
 {
+    // TODO rename to ConnectionSettingsBuilder
     public class ConnectionSettingBuilder
     {
         // TODO: maybe add the event "LifeCycle" to the builder
@@ -23,10 +26,7 @@ public class ConnectionSettingBuilder
         private uint _maxFrameSize = Consts.DefaultMaxFrameSize;
         private SaslMechanism _saslMechanism = Client.SaslMechanism.Anonymous;
         private IRecoveryConfiguration _recoveryConfiguration = Impl.RecoveryConfiguration.Create();
-
-        private ConnectionSettingBuilder()
-        {
-        }
+        private IList<Uri>? _uris;
 
         public static ConnectionSettingBuilder Create()
         {
@@ -105,8 +105,15 @@ public ConnectionSettingBuilder RecoveryConfiguration(IRecoveryConfiguration rec
             return this;
         }
 
+        public ConnectionSettingBuilder Uris(IEnumerable<Uri> uris)
+        {
+            _uris = uris.ToList();
+            return this;
+        }
+
         public ConnectionSettings Build()
         {
+            // TODO this should do something similar to consolidate in the Java code
             var c = new ConnectionSettings(_scheme, _host, _port, _user,
                 _password, _virtualHost,
                 _containerId, _saslMechanism,
@@ -129,9 +136,9 @@ public class ConnectionSettings : IConnectionSettings
         private readonly SaslMechanism _saslMechanism = SaslMechanism.Plain;
         private readonly IRecoveryConfiguration _recoveryConfiguration = RecoveryConfiguration.Create();
 
-        public ConnectionSettings(string address, ITlsSettings? tlsSettings = null)
+        public ConnectionSettings(string uri, ITlsSettings? tlsSettings = null)
         {
-            _address = new Address(address);
+            _address = new Address(uri);
             _tlsSettings = tlsSettings;
 
             if (_address.UseSsl && _tlsSettings == null)
@@ -252,6 +259,8 @@ public bool Equals(IConnectionSettings? other)
 
         internal Address Address => _address;
 
+        public IEnumerable<Uri>? Uris => throw new NotImplementedException();
+
         // public RecoveryConfiguration RecoveryConfiguration { get; set; } = RecoveryConfiguration.Create();
     }
 

RabbitMQ.AMQP.Client/PublicAPI.Unshipped.txt

@@ -116,6 +116,7 @@ RabbitMQ.AMQP.Client.IConnectionSettings.Recovery.get -> RabbitMQ.AMQP.Client.IR
 RabbitMQ.AMQP.Client.IConnectionSettings.SaslMechanism.get -> RabbitMQ.AMQP.Client.SaslMechanism!
 RabbitMQ.AMQP.Client.IConnectionSettings.Scheme.get -> string!
 RabbitMQ.AMQP.Client.IConnectionSettings.TlsSettings.get -> RabbitMQ.AMQP.Client.ITlsSettings?
+RabbitMQ.AMQP.Client.IConnectionSettings.Uris.get -> System.Collections.Generic.IEnumerable<System.Uri!>?
 RabbitMQ.AMQP.Client.IConnectionSettings.User.get -> string?
 RabbitMQ.AMQP.Client.IConnectionSettings.UseSsl.get -> bool
 RabbitMQ.AMQP.Client.IConnectionSettings.VirtualHost.get -> string!
@@ -475,8 +476,11 @@ RabbitMQ.AMQP.Client.Impl.BindingSpecification._destinationName -> string!
 RabbitMQ.AMQP.Client.Impl.BindingSpecification._routingKey -> string!
 RabbitMQ.AMQP.Client.Impl.BindingSpecification._sourceName -> string!
 RabbitMQ.AMQP.Client.Impl.BindingSpecification._toQueue -> bool
+RabbitMQ.AMQP.Client.Impl.ConnectionSettings.ConnectionSettings(string! uri, RabbitMQ.AMQP.Client.ITlsSettings? tlsSettings = null) -> void
+RabbitMQ.AMQP.Client.Impl.ConnectionSettings.Uris.get -> System.Collections.Generic.IEnumerable<System.Uri!>?
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.Build() -> RabbitMQ.AMQP.Client.Impl.ConnectionSettings!
+RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.ConnectionSettingBuilder() -> void
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.ContainerId(string! containerId) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.Host(string! host) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.MaxFrameSize(uint maxFrameSize) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
@@ -485,10 +489,10 @@ RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.Port(int port) -> RabbitMQ.AM
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.RecoveryConfiguration(RabbitMQ.AMQP.Client.IRecoveryConfiguration! recoveryConfiguration) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.SaslMechanism(RabbitMQ.AMQP.Client.SaslMechanism! saslMechanism) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.Scheme(string! scheme) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
+RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.Uris(System.Collections.Generic.IEnumerable<System.Uri!>! uris) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.User(string! user) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
 RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder.VirtualHost(string! virtualHost) -> RabbitMQ.AMQP.Client.Impl.ConnectionSettingBuilder!
 RabbitMQ.AMQP.Client.Impl.ConnectionSettings
-RabbitMQ.AMQP.Client.Impl.ConnectionSettings.ConnectionSettings(string! address, RabbitMQ.AMQP.Client.ITlsSettings? tlsSettings = null) -> void
 RabbitMQ.AMQP.Client.Impl.ConnectionSettings.ConnectionSettings(string! scheme, string! host, int port, string? user, string? password, string! virtualHost, string! containerId, RabbitMQ.AMQP.Client.SaslMechanism! saslMechanism, RabbitMQ.AMQP.Client.IRecoveryConfiguration! recoveryConfiguration, uint maxFrameSize = 0, RabbitMQ.AMQP.Client.ITlsSettings? tlsSettings = null) -> void
 RabbitMQ.AMQP.Client.Impl.ConnectionSettings.ContainerId.get -> string!
 RabbitMQ.AMQP.Client.Impl.ConnectionSettings.Equals(RabbitMQ.AMQP.Client.IConnectionSettings? other) -> bool

Tests/ClusterTests.cs

@@ -0,0 +1,47 @@
+// This source code is dual-licensed under the Apache License, version 2.0,
+// and the Mozilla Public License, version 2.0.
+// Copyright (c) 2017-2024 Broadcom. All Rights Reserved. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
+
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using RabbitMQ.AMQP.Client;
+using RabbitMQ.AMQP.Client.Impl;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Tests;
+
+public class ClusterTests(ITestOutputHelper testOutputHelper)
+    : IntegrationTest(testOutputHelper, setupConnectionAndManagement: false)
+{
+    [SkippableFact]
+    public Task CreateConnectionWithEnvironmentAndMultipleUris()
+    {
+        Skip.IfNot(SystemUtils.IsCluster);
+
+        Assert.Null(_connection);
+        Assert.Null(_management);
+
+        Uri uri0 = new("amqp://localhost:5672");
+        Uri uri1 = new("amqp://localhost:5673");
+        Uri uri2 = new("amqp://localhost:5674");
+        List<Uri> uris = [uri0, uri1, uri2];
+
+        ConnectionSettingBuilder connectionSettingBuilder = new();
+        connectionSettingBuilder.Uris(uris);
+        IConnectionSettings connectionSettings = connectionSettingBuilder.Build();
+
+        /*
+        IEnvironment env = AmqpEnvironment.Create(ConnectionSettingBuilder.Create().Build());
+        IConnection connection = await env.CreateConnectionAsync();
+        Assert.NotNull(connection);
+        Assert.NotEmpty(env.GetConnections());
+        await env.CloseAsync();
+        Assert.Equal(State.Closed, connection.State);
+        Assert.Empty(env.GetConnections());
+        */
+
+        return Task.CompletedTask;
+    }
+}