public static IServiceCollection AddMessageBus_(this IServiceCollection services, IConfiguration config, Assembly[] consumer_ass = null)
{
config.Should().NotBeNull();
consumer_ass ??= new Assembly[] { };
//找到所有消费
var all_consumer_types = consumer_ass.FindMessageConsumers();
//注册消费
services.AddMessageConsumers(all_consumer_types);
//注册消息和配置的mapping
var mapping = all_consumer_types.Select(x => new ConsumerDescriptor(x)).ToList().AsReadOnly();
services.AddSingleton(mapping);
services.AddSingleton <IReadOnlyCollection <ConsumerDescriptor> >(mapping);
//注册消费实现
var provider = config.GetMessageBusProvider();
if (provider == "redis")
{
//使用redis
services.AddRedisMessageBus();
}
else if (provider == "memory")
{
services.AddMemoryMeesageBus();
}
else if (provider == "kafka")
{
throw new NotImplementedException();
}
else
{
//使用rabbitmq
var rabbit_config = config.GetRabbitmqOrThrow();
var option = new RabbitMqOption()
{
HostName = rabbit_config.ServerAndPort,
UserName = rabbit_config.User,
Password = rabbit_config.Password
};
//注册所有消费
//services.AddRabbitmqConsumers(new Assembly[] { });
services.AddRabbitMq(option).AddRabbitmqMessageBus();
}
return(services);
}
/// <summary>
/// Create default Rabbit connection
/// </summary>
/// <param name="logger"></param>
/// <param name="option"></param>
public DefaultRabbitMqPersistentConnection(
ILogger <DefaultRabbitMqPersistentConnection> logger,
RabbitMqOption option)
{
_connectionFactory = new ConnectionFactory
{
HostName = option.Server ?? throw new ArgumentNullException(nameof(option.Server)),
};
if (!string.IsNullOrEmpty(option.UserName))
{
_connectionFactory.UserName = option.UserName;
}
if (!string.IsNullOrEmpty(option.Password))
{
_connectionFactory.Password = option.Password;
}
if (!string.IsNullOrEmpty(option.VirtualHost))
{
_connectionFactory.VirtualHost = option.VirtualHost;
}
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_retryCount = option.RetryCount;
}
public ASampleRabbitMqClient(IConnection connection, IConfiguration configuration)//
{
this.Connection = connection;
//this._Options = configuration.GetSection("rabbitma").Bind(new RabbitMqOption());
Options = configuration.GetOptions <RabbitMqOption>("rabbitmq");
}
/// <summary>
/// Constrsuctor
/// </summary>
/// <param name="persistentConnection"></param>
/// <param name="logger"></param>
/// <param name="autofac"></param>
/// <param name="subscriptionManager"></param>
/// <param name="option"></param>
public EventBusRabbitMq(IRabbitMqPersistentConnection persistentConnection, ILogger <EventBusRabbitMq> logger,
ILifetimeScope autofac, IEventBusSubscriptionsManager subscriptionManager, RabbitMqOption option)
{
_queueName = option.Client ?? throw new ArgumentNullException(nameof(option.Client));
_brokerName = option.Exchange ?? throw new ArgumentNullException(nameof(option.Exchange));
_autofacScopeName = option.Scope ?? $"scope_{option.Exchange}_{option.Client}";
_persistentConnection = persistentConnection ?? throw new ArgumentNullException(nameof(persistentConnection));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_subscriptionsManager = subscriptionManager ?? new InMemoryEventBusSubscriptionsManager();
_autofac = autofac;
_subscriptionsManager.OnEventRemoved += SubscriptionManager_OnEventRemoved;
_consumerChannel = CreateConsumerChannel();
_retryCount = option.PublishRetryCount;
}
