using System; using System.Collections.Generic; using CommandLine; using RabbitMQ.Client; using Tapeti.Cmd.Parser; namespace Tapeti.Cmd.Verbs { [Verb("declarequeue", HelpText = "Declares a durable queue without arguments, compatible with Tapeti.")] [ExecutableVerb(typeof(DeclareQueueVerb))] public class DeclareQueueOptions : BaseConnectionOptions { [Option('q', "queue", Required = true, HelpText = "The name of the queue to declare.")] public string QueueName { get; set; } [Option('b', "bindings", Required = false, HelpText = "One or more bindings to add to the queue. Format: :")] public IEnumerable Bindings { get; set; } } public class DeclareQueueVerb : IVerbExecuter { private readonly DeclareQueueOptions options; public DeclareQueueVerb(DeclareQueueOptions options) { this.options = options; } public void Execute() { // Parse early to fail early var bindings = BindingParser.Parse(options.Bindings); var factory = new ConnectionFactory { HostName = options.Host, Port = options.Port, VirtualHost = options.VirtualHost, UserName = options.Username, Password = options.Password }; using var connection = factory.CreateConnection(); using var channel = connection.CreateModel(); channel.QueueDeclare(options.QueueName, true, false, false); foreach (var (exchange, routingKey) in bindings) channel.QueueBind(options.QueueName, exchange, routingKey); Console.WriteLine($"Queue {options.QueueName} declared with {bindings.Length} binding{(bindings.Length != 1 ? "s" : "")}."); } } }