private static async Task ReceiveMessagesAsync(SubscribeArguments options)
{
Console.WriteLine($"Connection to RabbitMQ at '{options.RabbitHostName}'");
var factory = new ConnectionFactory {
HostName = options.RabbitHostName
};
using (var connection = factory.CreateConnection())
using (var amqpModel = connection.CreateModel())
{
Console.WriteLine($"Declaring exchange '{options.ExchangeName}' (type={options.ExchangeType})");
amqpModel.ExchangeDeclare(options.ExchangeName, options.ExchangeType, durable: true);
var queueName = amqpModel.QueueDeclare().QueueName;
Console.WriteLine($"Waiting for messages on queue '{queueName}'.");
Console.WriteLine($"Binding to exchange using routing key'{options.RoutingKey}'");
amqpModel.QueueBind(queueName, options.ExchangeName, options.RoutingKey);
Subscription sub = new Subscription(amqpModel, queueName);
while (true)
{
var response = sub.Next(10, out BasicDeliverEventArgs ea);
if (response == false)
{
if (amqpModel.IsClosed)
{
Console.WriteLine("Channel is closed.");
return;
}
continue;
}
var body = ea.Body;
var message = Encoding.UTF8.GetString(body);
var routingKey = ea.RoutingKey;
Console.WriteLine($"Received {routingKey}: {message}");
sub.Ack(ea);
await Task.Delay(100);
}
}
}
private static async Task RunAsync(SubscribeArguments options)
{
while (true)
{
try
{
await ReceiveMessagesAsync(options);
}
catch (Exception exception)
{
Console.WriteLine(exception.Message);
}
Console.WriteLine("Waiting for connection...");
await Task.Delay(5000);
}
// ReSharper disable once FunctionNeverReturns
}