public void GetMessage()
{
var config = new ConsumerConfig
{
BootstrapServers = "132.232.27.116:9092",
GroupId = "yaopeng",
AutoOffsetReset = AutoOffsetReset.Error
};
using (var kafkaProducer = new KafkaConsumer(config, "topic-b"))
{
var result = kafkaProducer.Consume <object>();
Console.WriteLine(result.ToString());
}
}
static void Main(string[] args)
{
#region Config
//var schemaRegistryUrl = "http://*****:*****@"..\..\..\wwwroot\schema.json";
var bootstrapServers = "localhost:9092";
var topic = "quick-start"; // "stream-topic";
var groupId = "consumer-group"; // "simple-consumer";
int partition = 0;
int offset = 0;
var recordConfig = new RecordConfig(schemaRegistryUrl);
#endregion // Config
#region Kafka Consumer
var kafkaConsumer = new KafkaConsumer(
bootstrapServers,
recordConfig,
topic,
groupId,
partition,
offset,
(key, value, dt) =>
{
Console.WriteLine($"Consumed Object:\nkey = {key}");
foreach (var field in value.Schema.Fields)
{
Console.WriteLine($" {field.Name} = {value[field.Name]}");
}
},
e => Console.WriteLine(e))
.StartConsuming();
#endregion // Kafka Consumer
#region Create Kafka Producer
var kafkaProducer = new KafkaProducer(
bootstrapServers,
recordConfig,
topic,
//partition,
//offset,
e => Console.WriteLine(e));
#endregion // Create Kafka Producer
var count = 0;
var timer = new Timer(_ =>
{
var lstTuple = new List <Tuple <string, GenericRecord> >();
for (var i = 0; i < 10; i++)
{
count++;
#region Create GenericRecord Object
var gr = new GenericRecord(recordConfig.RecordSchema);
gr.Add("SEQUENCE", count);
gr.Add("ID", count);
gr.Add("CategoryID", count);
gr.Add("YouTubeCategoryTypeID", count);
gr.Add("CreationTime", DateTime.Now.Ticks);
lstTuple.Add(new Tuple <string, GenericRecord>($"{count}", gr));
#endregion // Create GenericRecord Object
}
kafkaProducer.Send(lstTuple.ToArray());
},
null, 0, 5000);
Console.WriteLine("Press any key to quit...");
Console.ReadKey();
timer.Dispose();
kafkaProducer.Dispose();
kafkaConsumer.Dispose();
}
