static async Task RPCCallsAsync()
{
// Queue
var queue = "rpc_queue";
// RPC Server
using var server = new RabbitMQEx(factory);
server.PreparePRCServer((body, routingKey, redelivered) => {
var message = Encoding.UTF8.GetString(body.ToArray());
// Console.WriteLine($"Message received at {DateTime.UtcNow:ss:fff} from {routingKey} : {message}");
var bytes = Encoding.UTF8.GetBytes("Echo: " + message);
return(Task.FromResult(new ReadOnlyMemory <byte>(bytes)));
}, queue);
// PRC Client
using var client = new RabbitMQEx(server.Connection);
client.PreparePRCClient();
var inputs = new string[] { "a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "a10" };
foreach (var input in inputs)
{
Console.WriteLine($"Message sent at {DateTime.UtcNow:ss:fff}: {input}");
var result = await client.PRCCallAsync(Encoding.UTF8.GetBytes(input), queue);
Console.WriteLine($"Client received at {DateTime.UtcNow:ss:fff} for {input}: {Encoding.UTF8.GetString(result.Span)}");
}
Console.ReadKey();
}
static void TableDependency()
{
// Exchange
var exchange = "topic_logqueue";
// Producer
using var producer = new RabbitMQEx(factory);
producer.PrepareProduce(exchange, durable: true);
producer.ProduceConfirm((deliveryTag, multiple, success) => {
Console.WriteLine($"Message acknowledged at {DateTime.UtcNow:ss:fff} for {deliveryTag}: {success}");
return(Task.CompletedTask);
});
// Consumer
using var consumer = new RabbitMQEx(factory);
consumer.PrepareConsume((body, routingKey, redelivered) =>
{
var message = Encoding.UTF8.GetString(body.ToArray());
Console.WriteLine($"Message received at {DateTime.UtcNow:ss:fff} from {routingKey} : {message}");
return(Task.FromResult(true));
}, exchange, routingKey: "system.test", durable: true, autoAck: false);
// Definition, Insert change only
using var dep = new SqlTableDependency <LogQueue>(connectionString, "SysLogQueue", notifyOn: DmlTriggerType.Insert);
// Change callback
dep.OnChanged += (object sender, RecordChangedEventArgs <LogQueue> e) =>
{
var entity = e.Entity;
Console.WriteLine("--------------------");
Console.WriteLine($"Change received at {DateTime.UtcNow:ss:fff}, happened at {entity.Creation:ss:fff}");
Console.WriteLine($"Data: {entity.Data}");
// Body
var body = entity.Data == null?Array.Empty <byte>() : Encoding.UTF8.GetBytes(entity.Data);
// Produce
producer.Produce(body, exchange, "system.test", true);
Console.WriteLine("Message pushed...");
};
// Start
dep.Start();
// Tip
Console.WriteLine("Service is running. Press a key to exit");
Console.ReadKey();
// Stop
dep.Stop();
}
static void PRCParallelCalls()
{
// Queue
var queue = "rpc_queue";
// RPC Server
using var server = new RabbitMQEx(factory);
server.PreparePRCServer((body, routingKey, redelivered) => {
var message = Encoding.UTF8.GetString(body.ToArray());
//Console.WriteLine($"Message received at {DateTime.UtcNow:ss:fff} from {routingKey} : {message}");
var bytes = Encoding.UTF8.GetBytes("Echo: " + message);
return(Task.FromResult(new ReadOnlyMemory <byte>(bytes)));
}, queue);
Console.ReadKey();
}