private static Task <ProduceV8Response> ProduceMessage(KafkaHostConnection connection, long now)
{
return(connection.SendAsync(
new ProduceV8Request(
ProduceAcks.Leader,
5000,
new[]
{
new ProduceV8Request.Topic(
"test-client",
new[]
{
new ProduceV8Request.Partition(
0,
new RecordBatch
{
BaseOffset = 0,
LastOffsetDelta = 0,
FirstTimestamp = now,
MaxTimestamp = now,
Records = new[]
{
new RecordBatch.Record
{
TimestampDelta = 0,
OffsetDelta = 0,
Key = Encoding.UTF8.GetBytes("teste_key"),
Value = Encoding.UTF8.GetBytes("teste_value"),
Headers = new[]
{
new RecordBatch.Header
{
Key = "teste_header_key",
Value = Encoding.UTF8.GetBytes("teste_header_value")
}
}
}
}
}),
}),
}
),
TimeSpan.FromSeconds(30)));
}
private static Task <FetchV11Response> FetchMessage(KafkaHostConnection connection)
{
return(connection.SendAsync(
new FetchV11Request
{
ReplicaId = -1,
MaxWaitTime = 5000,
MinBytes = 0,
MaxBytes = 1024 * 16 * 3,
IsolationLevel = 1,
Topics = new[]
{
new FetchV11Request.Topic
{
Name = "test-topic",
Partitions = new[]
{
new FetchV11Request.Partition
{
Id = 0,
FetchOffset = 0,
PartitionMaxBytes = 1024 * 16
},
new FetchV11Request.Partition
{
Id = 1,
FetchOffset = 0,
PartitionMaxBytes = 1024 * 16
},
new FetchV11Request.Partition
{
Id = 2,
FetchOffset = 0,
PartitionMaxBytes = 1024 * 16
},
}
}
}
},
TimeSpan.FromSeconds(30)));
}
static async Task Main(string[] args)
{
var memberId = Guid.NewGuid().ToString();
const string groupId = "print-console-handler";
var connection = new KafkaHostConnection(
"localhost",
9092,
"test-client-id");
var now = DateTimeOffset.Now.ToUnixTimeMilliseconds();
var apiVersion = await connection.SendAsync(
new ApiVersionV2Request(),
TimeSpan.FromSeconds(30));
var topicMetadata = await connection.SendAsync(
new TopicMetadataV9Request(
new[] { new TopicMetadataV9Request.Topic("test-topic") },
false,
true,
true),
TimeSpan.FromSeconds(30));
var findCoordResponse = await connection.SendAsync(
new FindCoordinatorV3Request(string.Empty, 0),
TimeSpan.FromSeconds(30));
var joinGroupResponse = await connection.SendAsync(
new JoinGroupV7Request(
"print-console-handler",
300000,
3000,
string.Empty,
null,
"consumer",
new[] { new JoinGroupV7Request.Protocol("consumer", Array.Empty <byte>()), }),
TimeSpan.FromSeconds(30));
var joinGroupResponse1 = await connection.SendAsync(
new JoinGroupV7Request(
"print-console-handler",
300000,
3000,
joinGroupResponse.MemberId,
null,
"consumer",
new[] { new JoinGroupV7Request.Protocol("consumer", Array.Empty <byte>()), }),
TimeSpan.FromSeconds(30));
var heartbeatResponse = await connection.SendAsync(
new HeartbeatV4Request(
groupId,
joinGroupResponse1.GenerationId,
joinGroupResponse1.MemberId),
TimeSpan.FromSeconds(30));
var offsetFetchResponse = await connection.SendAsync(
new OffsetFetchV5Request(
groupId,
new[]
{
new OffsetFetchV5Request.Topic(
"test-topic",
new[] { 0, 1, 2 })
}),
TimeSpan.FromSeconds(30));
var produceResponse = await ProduceMessage(connection, now);
var fetchResponse = await FetchMessage(connection);
await Task.Delay(5000);
}
