private static IConnection CreateConnection(RabbitMQMessageBusOptions options)
{
if (string.IsNullOrEmpty(options.HostName))
{
throw new Exception("请配置rabbitMQ的HostName参数");
}
var factory = new ConnectionFactory()
{
//HostName = options.HostName,
Port = options.Port,
VirtualHost = options.VirtualHost,
UserName = options.UserName,
Password = options.Password,
AutomaticRecoveryEnabled = true,
// Protocol = Protocols.DefaultProtocol
DispatchConsumersAsync = true
};
var hostNames = options.HostName.Replace(" ", "").Split(new char[] { ',', '，' }, StringSplitOptions.RemoveEmptyEntries);
var connection = factory.CreateConnection(hostNames);
connection.CallbackException += Connection_CallbackException;
return(connection);
}
public RabbitMQMessageBus(IServiceProvider serviceProvider, ILogger <RabbitMQMessageBus> logger, RabbitMQMessageBusOptions options)
{
_serviceProvider = serviceProvider;
_logger = logger;
_options = options;
_connection = _serviceProvider.GetService <IConnection>();
this._producer = new RabbitMQProducer(this._serviceProvider);
}
private static void ValidOptions(RabbitMQMessageBusOptions options)
{
if (options.AutoAck == false)
{
AssertUtils.IsTrue(options.ManualCommitBatch >= 1, "ManualCommitBatch大于等于1");
AssertUtils.IsTrue(options.PrefetchCount >= 1, "PrefetchCount大于等于1");
AssertUtils.IsTrue(options.PrefetchCount >= options.ManualCommitBatch, "PrefetchCount大于等于ManualCommitBatch");
}
AssertUtils.IsTrue(options.DefaultConsumerThreadCount >= 1, "DefaultConsumerThreadCount大于等于1");
}
public static string GetDelayTopic(RabbitMQMessageBusOptions options)
{
return($"{options.TopicPrefix }delay-queue");
}
public static string GetDelayConsumerExchange(RabbitMQMessageBusOptions options)
{
return($"{options.TopicPrefix }delay-consumer-exchange");
}
public static string GeteDelayExchangeName(RabbitMQMessageBusOptions options)
{
return($"{options.TopicPrefix }delay-exchange");
}
public static IServiceCollection AddRabbitMQMessageBus(this IServiceCollection services, RabbitMQMessageBusOptions options)
{
ValidOptions(options);
var connection = CreateConnection(options);
services
.AddSingleton <RabbitMQMessageBusOptions>(options)
.AddSingleton(connection)
.AddSingleton <IRabbitMQMessageBus, RabbitMQMessageBus>();
return(services);
}