examples/csharp/src/NewSdk/Iggy_SDK.Examples.NewSdk.Consumer/Program.cs

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

using Apache.Iggy;
using Apache.Iggy.Configuration;
using Apache.Iggy.Consumers;
using Apache.Iggy.Enums;
using Apache.Iggy.Extensions;
using Apache.Iggy.Factory;
using Apache.Iggy.Kinds;
using Iggy_SDK.Examples.NewSdk.Consumer;
using Microsoft.Extensions.Logging;

var loggerFactory = LoggerFactory.Create(b => { b.AddConsole(); });
var logger = loggerFactory.CreateLogger<Program>();

var client = IggyClientFactory.CreateClient(new IggyClientConfigurator()
{
    BaseAddress = Utils.GetTcpServerAddr(args, logger),
    Protocol = Protocol.Tcp,
    LoggerFactory = loggerFactory
});

await client.LoginUser("iggy", "iggy");

var consumer = client.CreateConsumerBuilder(Identifier.String("new-sdk-stream"), Identifier.String("new-sdk-topic"),
        Consumer.Group("new-sdk-consumer-group"))
    .WithPollingStrategy(PollingStrategy.Next())
    .WithConsumerGroup("new-sdk-consumer-group", true, true)
    .WithBatchSize(20)
    .WithAutoCommitMode(AutoCommitMode.AfterReceive)
    .WithLogger(loggerFactory)
    .OnPollingError((s, e) =>
    {
        logger.LogError("Polling error: {Message}", e.Exception.Message);
    })
    .Build();

await consumer.InitAsync();
var cancellationTokenSource = new CancellationTokenSource();

await foreach (var message in consumer.ReceiveAsync().WithCancellation(cancellationTokenSource.Token))
{
    Utils.HandleMessage(message, logger);
    await Task.Delay(200);
}