public static IServiceCollection AddKafka(
this IServiceCollection services,
Action <IKafkaConfigurationBuilder> kafka)
{
var configurator = new KafkaFlowConfigurator(
new MicrosoftDependencyConfigurator(services),
kafka);
return(services.AddSingleton(configurator));
}
static void Main(string[] args)
{
var container = new UnityContainer();
var configurator = new KafkaFlowConfigurator(
new UnityDependencyConfigurator(container),
kafka => kafka
.UseLogHandler <ConsoleLogHandler>()
.AddCluster(
cluster => cluster
.WithBrokers(new[] { "localhost:9092" })
.AddConsumer(
consumer => consumer
.Topic("test-topic")
.WithGroupId("print-console-handler")
.WithBufferSize(100)
.WithWorkersCount(10)
.WithAutoOffsetReset(AutoOffsetReset.Latest)
.AddMiddlewares(
middlewares => middlewares
.AddCompressor <GzipMessageCompressor>()
.AddSerializer <ProtobufMessageSerializer, SampleMessageTypeResolver>()
.AddTypedHandlers(
handlers => handlers
.WithHandlerLifetime(global::KafkaFlow.InstanceLifetime.Singleton)
.AddHandler <PrintConsoleHandler>())
)
)
.AddConsumer(
consumer => consumer
.Topic("test-topic-json")
.WithGroupId("print-console-handler")
.WithBufferSize(100)
.WithWorkersCount(10)
.WithAutoOffsetReset(AutoOffsetReset.Latest)
.AddMiddlewares(
middlewares => middlewares
.AddCompressor <GzipMessageCompressor>()
.AddSerializer <JsonMessageSerializer, SampleMessageTypeResolver>()
.AddTypedHandlers(
handlers => handlers
.WithHandlerLifetime(global::KafkaFlow.InstanceLifetime.Singleton)
.AddHandler <PrintConsoleHandler>())
)
)
)
);
var bus = configurator.CreateBus(new UnityDependencyResolver(container));
bus.StartAsync().GetAwaiter().GetResult();
var consumerAcessor = container.Resolve <IConsumerAccessor>();
while (true)
{
var input = Console.ReadLine();
switch (input)
{
case "pause":
foreach (var consumer in consumerAcessor.All)
{
consumer.Pause(consumer.Assignment);
}
break;
case "resume":
foreach (var consumer in consumerAcessor.All)
{
consumer.Resume(consumer.Assignment);
}
break;
case "exit":
return;
}
}
}
static void Main(string[] args)
{
var container = new UnityContainer();
var configurator = new KafkaFlowConfigurator(
new UnityDependencyConfigurator(container),
kafka => kafka
.UseLogHandler <ConsoleLogHandler>()
.AddCluster(
cluster => cluster
.WithBrokers(new[] { "localhost:9092" })
.AddProducer <PrintConsoleProtobufProducer>(
producer => producer
.DefaultTopic("test-topic")
.AddMiddlewares(
middlewares => middlewares
.AddSerializer <ProtobufMessageSerializer, SampleMessageTypeResolver>()
.AddCompressor <GzipMessageCompressor>()
)
.WithAcks(Acks.All)
)
.AddProducer <PrintConsoleJsonProducer>(
producer => producer
.DefaultTopic("test-topic-json")
.AddMiddlewares(
middlewares => middlewares
.AddSerializer <JsonMessageSerializer, SampleMessageTypeResolver>()
.AddCompressor <GzipMessageCompressor>()
)
.WithAcks(Acks.All)
)
)
);
container.RegisterType <PrintConsoleProtobufProducer>();
container.RegisterType <PrintConsoleJsonProducer>();
var bus = configurator.CreateBus(new UnityDependencyResolver(container));
bus.StartAsync().GetAwaiter().GetResult();
var printConsole = container.Resolve <PrintConsoleProtobufProducer>();
var printConsoleJson = container.Resolve <PrintConsoleJsonProducer>();
while (true)
{
Console.Write("Number of messages to produce: ");
var count = int.Parse(Console.ReadLine());
for (var i = 0; i < count; i++)
{
printConsole.ProduceAsync(new TestMessage {
Text = $"Protobuf Message: {Guid.NewGuid()}"
});
printConsole.ProduceAsync(new TestMessage2 {
Value = $"Protobuf Message 2: {Guid.NewGuid()}"
});
printConsoleJson.ProduceAsync(new TestMessage {
Text = $"Json Message: {Guid.NewGuid()}"
});
}
}
}