} // AmqpClient
#region ConnectionHandlerProgram
private Exception MakeNewConnection(ref RmqCl.IConnection connection, ref RmqCl.IModel channel, bool reconnecting)
{
// This method attempts to make a new connection. Returns true if success, otherwise false.
var connRequest = ConnectionRequestObj;
var factory = new RmqCl.ConnectionFactory()
{
HostName = connRequest.Host,
UserName = connRequest.Username,
Password = connRequest.Password
};
// Secure connection?
if (connRequest.Secure)
{
factory.Ssl.Enabled = true;
factory.Ssl.ServerName = connRequest.Host;
factory.Ssl.Version = System.Security.Authentication.SslProtocols.Tls12;
}
try
{
// Create connection and channel
connection = factory.CreateConnection();
channel = connection.CreateModel();
// Declare the exchange
channel.ExchangeDeclare(exchange: connRequest.Exchange, type: "topic", autoDelete: false, durable: true, arguments: null);
// Create a queue to receive messages
var queueName = channel.QueueDeclare(queue: "", // Use a generated queue name
durable: false, // The queue does not survive a broker restart
exclusive: true, // The queue is only for this application, and it will be deleted on app exit
autoDelete: true, // The queue is deleted when no one is bound to it
arguments: null
).QueueName;
// Bind the queue to the topic pattern
channel.QueueBind(queue: queueName, exchange: connRequest.Exchange, routingKey: connRequest.TopicPattern, arguments: null);
// Set up a consumer for messages
m_messageConsumer = new RmqCl.Events.EventingBasicConsumer(channel);
m_messageConsumer.Received += MessageReceived;
channel.BasicConsume(queue: queueName, noAck: true, consumerTag: "", noLocal: false, exclusive: false, arguments: new Dictionary <string, object> {
}, consumer: m_messageConsumer);
// Sign up for the shutdown event
channel.ModelShutdown += ModelShutdown; // This event will fire if the connection is lost
return(null);
}
catch (Exception e)
{
// Clean the connection
DestroyConnection(ref connection, ref channel);
return(e);
}
} // MakeNewConnection
private SimpleConsumer Consume(string queue, Connection.IConnection connection)
{
R.IModel channel = null;
SimpleConsumer consumer = null;
try
{
channel = connection.CreateChannel(IsChannelTransacted);
channel.BasicQos(0, (ushort)PrefetchCount, false); // TODO: Verify this
consumer = new SimpleConsumer(this, connection, channel, queue);
channel.QueueDeclarePassive(queue);
consumer.ConsumerTag = channel.BasicConsume(
queue,
AcknowledgeMode.IsAutoAck(),
ConsumerTagStrategy != null ? ConsumerTagStrategy.CreateConsumerTag(queue) : string.Empty,
NoLocal,
Exclusive,
ConsumerArguments,
consumer);
}
// catch (AmqpApplicationContextClosedException e)
// {
// throw new AmqpConnectException(e);
// }
catch (Exception e)
{
RabbitUtils.CloseChannel(channel, _logger);
RabbitUtils.CloseConnection(connection, _logger);
consumer = HandleConsumeException(queue, consumer, e);
}
return(consumer);
}
public void Start()
{
_consumer.Received += ProcessMessage;
_channel.BasicConsume(
queue: _rabbitConfig.Queue,
autoAck: false,
exclusive: false,
consumerTag: _consumerTag,
consumer: _consumer);
}
public void ReviceMessage(string queueName, string someone, Action <string> eventHandel)
{
EventingBasicConsumer consumer = new EventingBasicConsumer(_chanel);
_chanel.ExchangeDeclare(exchangeName, exchangeType, false, false, null);
//_chanel.ExchangeDeclare(exchangeName, exchangeType);
_chanel.QueueDeclare(queueName, false, false, false, null);//持久化 排他性 自动删除
_chanel.QueueBind(queueName, exchangeName, routingKey, null);
//_chanel.QueueBind(queueName, exchangeName, routingKey + someone);//交换机与
consumer.Received += (ch, ea) =>
{
var message = Encoding.UTF8.GetString(ea.Body);
eventHandel?.Invoke(message);
_chanel.BasicAck(ea.DeliveryTag, false);//确认该消息已被消费
};
_chanel.BasicConsume(queueName, false, consumer);
//_chanel.BasicConsume(queueName, false, consumer); //启动消费者
// Console.WriteLine("客户端2已启动");
}
private void StartBasicConsume()
{
_logger.LogTrace("Starting RabbitMQ basic consume");
if (_consumerChannel != null)
{
var consumer = new AsyncEventingBasicConsumer(_consumerChannel);
consumer.Received += Consumer_Received;
_consumerChannel.BasicConsume(
queue: _queueName,
autoAck: false,
consumer: consumer);
}
else
{
_logger.LogError("StartBasicConsume can't call on _consumerChannel == null");
}
}
private async Task Run(string[] args)
{
var host = ConfigurationManager.AppSettings["rabbit.host"];
var user = ConfigurationManager.AppSettings["rabbit.admuser"];
var pwd = ConfigurationManager.AppSettings["rabbit.admpwd"];
var vhost = ConfigurationManager.AppSettings["rabbit.vhost"];
LogAdapter.LogDebugFn = (s, s1, arg3) => { };
LogAdapter.ExtendedLogEnabled = false;
LogAdapter.ProtocolLevelLogEnabled = false;
_hdrHistogram = new LongHistogram(1, 1000 * 10, 5);
int howManyQueues = 10;
bool exclusiveConnections = ConfigurationManager.AppSettings["exclusiveConnections"] == "true";
bool useOfficialClient = ConfigurationManager.AppSettings["useOfficialClient"] == "true";
if (useOfficialClient)
{
RabbitMQ.Client.IConnection conn = null;
RabbitMQ.Client.IModel channel = null;
for (int i = 0; i < howManyQueues; i++)
{
var connFac = new RabbitMQ.Client.ConnectionFactory()
{
HostName = host, UserName = user, Password = pwd, VirtualHost = vhost, AutomaticRecoveryEnabled = false
};
if (exclusiveConnections || conn == null)
{
conn = connFac.CreateConnection();
channel = conn.CreateModel();
channel.BasicQos(0, 300, false);
}
var q = "q." + i;
channel.QueueDeclareNoWait(q, durable: true, exclusive: false, autoDelete: false, arguments: null);
channel.BasicConsume(q, false, "con_" + q, arguments: null, consumer: new Consumer(channel));
}
}
else
{
RabbitMqNext.IConnection conn = null;
RabbitMqNext.IChannel channel = null;
for (int i = 0; i < howManyQueues; i++)
{
if (exclusiveConnections || conn == null)
{
conn = await RabbitMqNext.ConnectionFactory.Connect(host, vhost, user, pwd, recoverySettings : null, connectionName : "mod_perf_server");
channel = await conn.CreateChannel();
await channel.BasicQos(0, 300, false);
}
var q = "q." + i;
await channel.QueueDeclare(q, passive : false, durable : true, exclusive : false, autoDelete : false, arguments : null,
waitConfirmation : false);
// TODO: test with parallel buffer copy + serialized too
await channel.BasicConsume(ConsumeMode.SerializedWithBufferCopy, BuildConsumerFn(channel), q, "consumer_" + q,
false, true, arguments : null, waitConfirmation : false);
}
}
Console.WriteLine("Consuming..");
Console.CancelKeyPress += (sender, eventArgs) =>
{
Console.WriteLine("Done\r\n");
Console.WriteLine("howManyQueues {0} exclusive Connections: {1} official client: {2} count {3}", howManyQueues, exclusiveConnections, useOfficialClient, _hdrHistogram.TotalCount);
Console.WriteLine("\r\n");
_hdrHistogram.OutputPercentileDistribution(Console.Out);
Console.ReadKey();
};
await Task.Delay(1);
Thread.CurrentThread.Join();
}
