confluent-kafka-dotnet and is now being maintained by Confluent

rdkafka-dotnet - C# Apache Kafka client

rdkafka-dotnet is a C# client for Apache Kafka based on librdkafka.

rdkafka-dotnet is licensed under the 2-clause BSD license.

Usage

Just reference the RdKafka NuGet package

Examples

Producing messages

using (Producer producer = new Producer("127.0.0.1:9092"))
using (Topic topic = producer.Topic("testtopic"))
{
    byte[] data = Encoding.UTF8.GetBytes("Hello RdKafka");
    DeliveryReport deliveryReport = await topic.Produce(data);
    Console.WriteLine($"Produced to Partition: {deliveryReport.Partition}, Offset: {deliveryReport.Offset}");
}

Consuming messages

var config = new Config() { GroupId = "example-csharp-consumer" };
using (var consumer = new EventConsumer(config, "127.0.0.1:9092"))
{
    consumer.OnMessage += (obj, msg) =>
    {
        string text = Encoding.UTF8.GetString(msg.Payload, 0, msg.Payload.Length);
        Console.WriteLine($"Topic: {msg.Topic} Partition: {msg.Partition} Offset: {msg.Offset} {text}");
    };

    consumer.Subscribe(new []{"testtopic"});
    consumer.Start();

    Console.WriteLine("Started consumer, press enter to stop consuming");
    Console.ReadLine();
}

See examples/

Documentation

Read the API Documentation here

Read the FAQ for answers to common questions

Supported Platforms and .NET Releases

Requires .NET 4.5 or later. Tested with .NET Core on Linux, OS X and Windows, and classic .NET 4.5 on Windows.

ah- / rdkafka-dotnet