private static void Produce()
{
Console.WriteLine("Produce -----");
var producer = new ProducerBuilder <string, string>(
new AdminClientConfig()
{
BootstrapServers = "localhost:29092"
})
.Build();
producer.Produce("partitioned-topic", new Message <string, string> {
Key = "fred", Value = "flintstone"
});
producer.Produce("partitioned-topic", new Message <string, string> {
Key = "wilma", Value = "flintstone"
});
var h = new Headers();
h.Add("age", new byte[] { 0 });
producer.Produce("partitioned-topic", new Message <string, string> {
Key = "bambam", Value = "flintstone", Headers = h
});
}
public void Transactions_Abort(string bootstrapServers)
{
LogToFile("start Transactions_Abort");
var defaultTimeout = TimeSpan.FromSeconds(30);
using (var topic = new TemporaryTopic(bootstrapServers, 1))
using (var producer = new ProducerBuilder <string, string>(new ProducerConfig {
BootstrapServers = bootstrapServers, TransactionalId = Guid.NewGuid().ToString()
}).Build())
{
producer.InitTransactions(defaultTimeout);
producer.BeginTransaction();
producer.Produce(topic.Name, new Message <string, string> {
Key = "test key 0", Value = "test val 0"
});
Thread.Sleep(1000); // ensure the abort ctrl message makes it into the log.
producer.AbortTransaction(defaultTimeout);
producer.BeginTransaction();
producer.Produce(topic.Name, new Message <string, string> {
Key = "test key 1", Value = "test val 1"
});
producer.CommitTransaction(defaultTimeout);
using (var consumer = new ConsumerBuilder <string, string>(new ConsumerConfig {
IsolationLevel = IsolationLevel.ReadCommitted, BootstrapServers = bootstrapServers, GroupId = "unimportant", EnableAutoCommit = false, Debug = "all"
}).Build())
{
consumer.Assign(new TopicPartitionOffset(topic.Name, 0, 0));
var cr1 = consumer.Consume();
var cr2 = consumer.Consume(TimeSpan.FromMilliseconds(100)); // force the consumer to read over the final control message internally.
Assert.Equal(2, cr1.Offset); // there should be skipped offsets due to the aborted txn and commit marker in the log.
Assert.Null(cr2); // control message should not be exposed to application.
}
using (var consumer = new ConsumerBuilder <string, string>(new ConsumerConfig {
IsolationLevel = IsolationLevel.ReadUncommitted, BootstrapServers = bootstrapServers, GroupId = "unimportant", EnableAutoCommit = false, Debug = "all"
}).Build())
{
consumer.Assign(new TopicPartitionOffset(topic.Name, 0, 0));
var cr1 = consumer.Consume();
var cr2 = consumer.Consume();
var cr3 = consumer.Consume(TimeSpan.FromMilliseconds(100)); // force the consumer to read over the final control message internally.
Assert.Equal(0, cr1.Offset); // the aborted message should not be skipped.
Assert.Equal(2, cr2.Offset); // there should be a skipped offset due to a commit marker in the log.
Assert.Null(cr3); // control message should not be exposed to application.
}
}
Assert.Equal(0, Library.HandleCount);
LogToFile("end Transactions_Abort");
}
public static void useProduce()
{
Console.WriteLine("useProduce");
var conf = new ProducerConfig {
BootstrapServers = "localhost:9092"
};
Action <DeliveryReport <Null, string> > handler = r =>
Console.WriteLine(!r.Error.IsError
? $"Delivered message to {r.TopicPartitionOffset}"
: $"Delivery Error: {r.Error.Reason}");
using (var p = new ProducerBuilder <Null, string>(conf).Build())
{
for (int i = 0; i < 100; ++i)
{
Console.WriteLine(i);
p.Produce("testTopicName", new Message <Null, string> {
Value = i.ToString()
}, handler);
}
// wait for up to 10 seconds for any inflight messages to be delivered.
p.Flush(TimeSpan.FromSeconds(10));
}
}
static void Main(string[] args)
{
var config = new ProducerConfig {
BootstrapServers = "localhost:9092"
};
Action <DeliveryReport <Null, string> > handler = r => Console.WriteLine(
!r.Error.IsError
? $"Message delivered :) to {r.TopicPartitionOffsetError}"
: $"Message delivery failed :( awwww REASON? -- {r.Error.Reason}");
using (var producer = new ProducerBuilder <Null, string>(config).Build())
{
for (var i = 0; i < 100; i++)
{
producer.Produce("sample-topic", new Message <Null, string>()
{
Value = $"Publisher message - {i}"
}, handler);
Thread.Sleep(1000);
}
producer.Flush(TimeSpan.FromSeconds(10));
}
}
public void SendMessage()
{
try
{
var bootstrap = Environment.GetEnvironmentVariable("BROKER_BOOTSTRAP");
var config = new ProducerConfig
{
BootstrapServers = bootstrap,
ClientId = $"{Dns.GetHostName()}_NeoVirtFS",
};
using (var producer = new ProducerBuilder <string, string>(config).Build())
{
// We'll have to add schema control (and supposedly have to use newtonsoftjson since it can't handle these for schemas)
string jsonString = JsonSerializer.Serialize(this, options: new JsonSerializerOptions
{
WriteIndented = true,
NumberHandling = JsonNumberHandling.AllowReadingFromString,
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingDefault
});
producer.Produce("neofiles", new Message <string, string> {
Key = MessageType, Value = jsonString
});
Console.WriteLine($"Send message {jsonString}");
producer.Flush();
}
}
catch (Exception ex)
{
Console.WriteLine($"SendMessage Error: {ex.Message}");
}
}
static void Main(string[] args)
{
var config = new ProducerConfig {
BootstrapServers = "localhost:9092"
};
// If serializers are not specified, default serializers from
// `Confluent.Kafka.Serializers` will be automatically used where
// available. Note: by default strings are encoded as UTF8.
void DeliveryHandler(DeliveryReport <Null, int> r)
{
Console.WriteLine(!r.Error.IsError
? $"Delivered message {r.Message.Value} to {r.TopicPartitionOffset}"
: $"Delivery Error: {r.Error.Reason}");
}
using (var p = new ProducerBuilder <Null, int>(config).Build())
{
var count = 0;
var random = new Random();
while (true)
{
p.Produce("test-topic", new Message <Null, int> {
Value = count++
}, DeliveryHandler);
Thread.Sleep(random.Next(_randomRange.Item1, _randomRange.Item2));
}
}
}
static void Produce(string topic, ClientConfig config)
{
using (var producer = new ProducerBuilder <string, string>(config).Build())
{
int numProduced = 0;
int numMessages = 100;
for (int i = 0; i < numMessages; ++i)
{
var key = "alice";
var val = JObject.FromObject(new { count = i }).ToString(Formatting.None);
Console.WriteLine($"Producing record: {key} {val}");
producer.Produce(topic, new Message <string, string> {
Key = key, Value = val
},
(deliveryReport) =>
{
if (deliveryReport.Error.Code != ErrorCode.NoError)
{
Console.WriteLine($"Failed to deliver message: {deliveryReport.Error.Reason}");
}
else
{
Console.WriteLine($"Produced message to: {deliveryReport.TopicPartitionOffset}");
numProduced += 1;
}
});
}
producer.Flush(TimeSpan.FromSeconds(10));
Console.WriteLine($"{numProduced} messages were produced to topic {topic}");
}
}
public Task <bool> CanConnectKafka(CancellationToken cancellationToken = default)
{
var config = new ProducerConfig
{
BootstrapServers = _kafkaOptions.BootstrapServers,
ClientId = $"{_kafkaOptions.ClientId} - {Dns.GetHostName()}",
};
using (var producer = new ProducerBuilder <Null, string>(config).Build())
{
try
{
var kafkaEvent = KafkaEvent.HealthCheckEvent();
_logger.Debug("Sending Message ...");
producer.Produce("HealthCheck.Sent", new Message <Null, string> {
Value = JsonConvert.SerializeObject(kafkaEvent)
}, ProducerHandler);
producer.Flush();
_logger.Debug("... Message Produced");
}
catch (Exception ex)
{
Task.FromResult(false);
}
}
return(Task.FromResult(true));
}
public void ProduceData(ReportRequest report)
{
try
{
var conf = new ProducerConfig {
BootstrapServers = "localhost:9092"
};
Action <DeliveryReport <Null, string> > handler = r =>
Console.WriteLine(!r.Error.IsError
? $"Delivered message to {r.TopicPartitionOffset}"
: $"Delivery Error: {r.Error.Reason}");
using (var p = new ProducerBuilder <Null, string>(conf).Build())
{
for (int i = 0; i < 100; ++i)
{
p.Produce("userReport", new Message <Null, string> {
Value = report.UUID
}, handler);
}
// wait for up to 10 seconds for any inflight messages to be delivered.
p.Flush(TimeSpan.FromSeconds(10));
}
}
catch (Exception ex)
{
throw;
}
}
private static void Produce(string topic, int numMessages, ClientConfig config, Action <DeliveryReport <string, string> > deliveryHandler, bool isTombstone)
{
using (var producer = new ProducerBuilder <string, string>(config).Build())
{
for (var i = 0; i < numMessages; ++i)
{
var messageNumber = Interlocked.Increment(ref _messageNumber);
var hasHandler = deliveryHandler is not null;
var key = $"{messageNumber}-Sync-{hasHandler}{(isTombstone ? "-tombstone" : "")}";
var value = isTombstone ? null : GetMessage(i, isProducedAsync: false);
var message = new Message <string, string> {
Key = key, Value = value
};
Console.WriteLine($"Producing record {i}: {message.Key}...");
producer.Produce(topic, message, deliveryHandler);
if (numMessages % FlushInterval == 0)
{
producer.Flush(FlushTimeout);
}
}
Flush(producer);
Console.WriteLine($"Finished producing {numMessages} messages to topic {topic}");
}
}
static void Main(string[] args)
{
var conf = new ProducerConfig()
{
BootstrapServers = "localhost:9092",
};
Action <DeliveryReport <Null, string> > handler = r =>
{
var conLog = r.Error.IsError ? $"Delivery error: {r.Error.Reason}" : $"Delivered message to {r.TopicPartitionOffset}";
Console.WriteLine(conLog);
};
using (var p = new ProducerBuilder <Null, string>(conf).Build())
{
for (var i = 0; i < 100; i++)
{
var msg = new Message <Null, string>()
{
Value = $"haha,{i}",
};
p.Produce("my-topic", msg, handler);
}
p.Flush(TimeSpan.FromSeconds(10));
}
}
public void Produce <T>(string msgKey, T msgVal, string topic = "retry-transient-error")
{
Logger.LogThreadInfo("Produce() method");
using var producer = new ProducerBuilder <string, string>(config).Build();
var val = JsonConvert.SerializeObject(msgVal);
Logger.LogInfo($"Producing record: {val}");
producer.Produce(
topic,
new Message <string, string>
{
Key = msgKey, Value = val
},
Handler
);
producer.Flush(TimeSpan.FromSeconds(10));
Console.WriteLine($"{msgKey} message produced to topic {topic}");
}
static void Main(string[] args)
{
Console.WriteLine("Producer");
var config = new ProducerConfig
{
BootstrapServers = ConfigurationManager.AppSettings["BootstrapServers"].Trim().ToString()
};
var topic = ConfigurationManager.AppSettings["topic"].Trim().ToString();
Console.Write("Total message: ");
var totalMsg = int.Parse(Console.ReadLine());
using (var producer = new ProducerBuilder <Null, string>(config).Build())
{
#region old
//try
//{
// var dr = await p.ProduceAsync("first_topic", new Message<string, string> { Key = "tuong", Value = Newtonsoft.Json.JsonConvert.SerializeObject(new { foo = "bar 2" }) });
// Console.WriteLine($"Delivered '{dr.Value}' to '{dr.TopicPartitionOffset}'");
//}
//catch (ProduceException<Null, string> e)
//{
// Console.WriteLine($"Delivery failed: {e.Error.Reason}");
//}
#endregion
int numProduced = 0;
//int numMessages = 10;
for (int i = 0; i < totalMsg; ++i)
{
//var key = "key"+i.ToString();
var val = Newtonsoft.Json.JsonConvert.SerializeObject(new { foo = "tuong: " + i.ToString() });
Console.WriteLine($"Producing record: {val}");
producer.Produce(topic, new Message <Null, string> {
Value = val
},
(deliveryReport) =>
{
if (deliveryReport.Error.Code != ErrorCode.NoError)
{
Console.WriteLine($"Failed to deliver message: {deliveryReport.Error.Reason}");
}
else
{
Console.WriteLine($"Produced message to: {deliveryReport.TopicPartitionOffset}");
numProduced += 1;
}
});
//Thread.Sleep(1000);
}
// wait for up to 10 seconds for any inflight messages to be delivered.
producer.Flush(TimeSpan.FromSeconds(10));
Console.WriteLine($"{numProduced} messages were produced to topic {topic}");
}
Console.ReadKey();
}
public void Transactions_SendOffsets(string bootstrapServers)
{
LogToFile("start Transactions_SendOffsets");
var defaultTimeout = TimeSpan.FromSeconds(30);
var groupName = Guid.NewGuid().ToString();
using (var topic = new TemporaryTopic(bootstrapServers, 1))
using (var producer = new ProducerBuilder <string, string>(new ProducerConfig {
BootstrapServers = bootstrapServers, TransactionalId = Guid.NewGuid().ToString()
}).Build())
using (var consumer = new ConsumerBuilder <string, string>(new ConsumerConfig {
IsolationLevel = IsolationLevel.ReadCommitted, BootstrapServers = bootstrapServers, GroupId = groupName, EnableAutoCommit = false, Debug = "all"
}).Build())
{
producer.InitTransactions(defaultTimeout);
producer.BeginTransaction();
producer.Produce(topic.Name, new Message <string, string> {
Key = "test key 0", Value = "test val 0"
});
producer.SendOffsetsToTransaction(new List <TopicPartitionOffset> {
new TopicPartitionOffset(topic.Name, 0, 7324)
}, consumer.ConsumerGroupMetadata, TimeSpan.FromSeconds(30));
producer.CommitTransaction(defaultTimeout);
var committed = consumer.Committed(new List <TopicPartition> {
new TopicPartition(topic.Name, 0)
}, TimeSpan.FromSeconds(30));
Assert.Single(committed);
Assert.Equal(7324, committed[0].Offset);
}
Assert.Equal(0, Library.HandleCount);
LogToFile("end Transactions_SendOffsets");
}
public override bool Send(string val, List <Variable> vars)
{
var config = new ProducerConfig {
BootstrapServers = bootStrapServers
};
foreach (Variable v in vars)
{
try {
Key = Key.Replace(v.token, v.value);
} catch (Exception) {
// NO-OP
}
try {
Topic = Topic.Replace(v.token, v.value);
} catch (Exception) {
// NO-OP
}
using (var p = new ProducerBuilder <string, string>(config).Build()) {
try {
p.Produce(Topic, new Message <string, string> {
Key = Key, Value = val
});
} catch (Exception e) {
logger.Error(e.Message);
logger.Error(e);
logger.Error($"Unable to deliver to Kafka Server on topic {Topic}");
return(false);
}
logger.Info($"Kafka sent message to {Topic}");
}
}
return(true);
}
public static void Main(string[] args)
{
var conf = new ProducerConfig {
BootstrapServers = "localhost:9092"
};
void Handler(DeliveryReport <Null, string> r) =>
Console.WriteLine(!r.Error.IsError
? $"Delivered message to {r.TopicPartitionOffset}"
: $"Delivery Error: {r.Error.Reason}");
using (var p = new ProducerBuilder <Null, string>(conf).Build())
{
Console.WriteLine("Hi, I am producer.");
while (true)
{
try
{
var mess = Console.ReadLine();
if (!string.IsNullOrWhiteSpace(mess))
{
p.Produce("timemanagement_booking", new Message <Null, string> {
Value = mess
}, Handler);
p.Flush(TimeSpan.FromSeconds(10));
}
}
catch (Exception e)
{
Console.WriteLine($"Error occured: {e.Message}");
}
}
}
}
/// <inheritdoc cref="IProducer.ProduceMany"/>
public void ProduceMany(IList <Event> events)
{
using var schemaRegistry = new CachedSchemaRegistryClient(_schemaRegistryConfig);
using var producerBuilder = new ProducerBuilder <string, Event>(_producerConfig)
.SetKeySerializer(new AvroSerializer <string>(schemaRegistry))
.SetValueSerializer(new AvroSerializer <Event>(schemaRegistry))
.SetErrorHandler((_, error) => _logger.LogError("Kafka encountered an error: {@Error}", error))
.Build();
foreach (var @event in events)
{
var message = new Message <string, Event>
{
Key = @event.AggregateName,
Value = @event
};
producerBuilder.Produce(@event.AggregateName, message, report =>
{
if (report.Error.IsFatal)
{
throw new ProducerException("Fatal error producing message to Kafka: " +
$"ErrorCode [{report.Error.Code}] | " +
$"Reason [{report.Error.Reason}]");
}
});
}
// wait for up to 5 seconds for any inflight messages to be delivered.
producerBuilder.Flush(TimeSpan.FromSeconds(10));
}
static void Main(string[] args)
{
var config = new ProducerConfig {
BootstrapServers = "localhost:9092"
};
using var producer1 = new ProducerBuilder <string, Game>(config).SetValueSerializer(new GameSerializer()).Build();
Label:
for (int i = 0; i < 100; i++)
{
producer1.Produce(TopicName, new Message <string, Game>()
{
Key = "SKIP",
Value = new Game()
{
GameId = i, Title = $"Title{i}"
}
});
producer1.Flush();
}
Console.WriteLine("Type to resend 100 messages");
Console.ReadLine();
goto Label;
}
static void Main(string[] args)
{
Console.WriteLine("Kafka Producer");
Console.WriteLine("==============\n");
var conf = new ProducerConfig {
BootstrapServers = "localhost:9092"
};
Action <DeliveryReport <Null, string> > handler = r =>
Console.WriteLine(!r.Error.IsError
? $"Delivered message to {r.TopicPartitionOffset}"
: $"Delivery Error: {r.Error.Reason}");
// If serializers are not specified, default serializers from
// `Confluent.Kafka.Serializers` will be automatically used where
// available. Note: by default strings are encoded as UTF8.
using (var p = new ProducerBuilder <Null, string>(conf).Build())
{
for (int i = 0; i < 100; ++i)
{
p.Produce("my-topic", new Message <Null, string> {
Value = i.ToString()
}, handler);
}
// wait for up to 10 seconds for any inflight messages to be delivered.
p.Flush(TimeSpan.FromSeconds(10));
}
}
static void Main(string[] args)
{
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
// Console.WriteLine("Hello World!");
ProducerConfig config = new ProducerConfig()
{
BootstrapServers = "172.20.90.54:9092"
};
using (var productor = new ProducerBuilder <Null, string>(config).Build())
{
Random random = new Random();
var cancelled = false;
System.Console.CancelKeyPress += (_, e) =>
{
e.Cancel = true; // prevent the process from terminating.
cancelled = true;
};
while (!cancelled)
{
var student = new CollegeStudents()
{
ClassName = "三年级一班", Counselor = ChineseNameGenerater.GetChineseName(), Name = ChineseNameGenerater.GetChineseName(), Address = "浙江省杭州市", Age = random.Next(20, 100)
};
System.Console.WriteLine($"---->{student.ToString()}");
productor.Produce(topic: nameof(CollegeStudents), new Message <Null, string>()
{
Value = student.ToString()
});
Thread.Sleep(1000);
}
}
}
public void Publish <T>(string topic, T value, Action successful = null, Action fail = null)
{
using (var p = new ProducerBuilder <Null, string>(_producerConfig).Build())
{
for (var i = 0; i < 100; i++)
{
p.Produce(topic, new Message <Null, string> {
Value = i.ToString()
}, r =>
{
if (!r.Error.IsError)
{
successful();
}
else
{
fail();
}
});
}
// wait for up to 10 seconds for any inflight messages to be delivered.
p.Flush(TimeSpan.FromSeconds(10));
}
}
public IEnumerable <WeatherForecast> Get()
{
var rng = new Random();
var config = new ProducerConfig
{
BootstrapServers = "localhost:9092"
};
using (var producer = new ProducerBuilder <Null, string>(config).Build())
{
producer.Produce("chat-message", new Message <Null, string>()
{
Value = DateTime.Now.ToString()
});
producer.Flush();
}
return(Enumerable.Range(1, 5).Select(index => new WeatherForecast
{
Date = DateTime.Now.AddDays(index),
TemperatureC = rng.Next(-20, 55),
Summary = Summaries[rng.Next(Summaries.Length)]
})
.ToArray());
}
private static void SendBulkMessage(ProducerConfig conn, int numberOfMessages)
{
Console.Clear();
Console.WriteLine($"Sending {numberOfMessages} messages");
Action <DeliveryReport <Null, string> > handler = r =>
Console.WriteLine(!r.Error.IsError
? $"Delivered message to {r.TopicPartitionOffset}"
: $"Delivery Error: {r.Error.Reason}");
using (var producer = new ProducerBuilder <Null, string>(conn).Build())
{
for (int i = 1; i <= numberOfMessages; ++i)
{
var messageJson = CreateMessageJson(i);
producer.Produce("test", new Message <Null, string> {
Value = messageJson
}, handler);
}
// wait for up to 10 seconds for any inflight messages to be delivered.
producer.Flush(TimeSpan.FromSeconds(10));
}
}
public IActionResult Post(TopicMessageModel model)
{
var config = new ProducerConfig
{
BootstrapServers = _kafkaOptions.BootstrapServers,
ClientId = $"{_kafkaOptions.ClientId} - {Dns.GetHostName()}",
};
using (var producer = new ProducerBuilder <Null, string>(config).Build())
{
try
{
var kafkaEvent = new KafkaEvent(model.Message);
_logger.Debug("Sending Message ...");
producer.Produce(model.Topic, new Message <Null, string> {
Value = JsonConvert.SerializeObject(kafkaEvent)
}, ProducerHandler);
producer.Flush();
_logger.Debug("... Message Produced");
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
}
return(Accepted());
}
static void Produce(string topic, ClientConfig config)
{
using (var producer = new ProducerBuilder <string, string>(config).Build())
{
int numProduced = 0;
int numMessages = 10;
for (int i = 0; i < numMessages; ++i)
{
var key = "alice";
var val = "This is an exciting message. Number" + i + " of " + numMessages + ". It was created " + DateTime.Now;
Console.WriteLine($"Producing record: {key} {val}");
producer.Produce(topic, new Message <string, string> {
Key = key, Value = val
},
(deliveryReport) =>
{
if (deliveryReport.Error.Code != ErrorCode.NoError)
{
Console.WriteLine($"Failed to deliver message: {deliveryReport.Error.Reason}");
}
else
{
Console.WriteLine($"Produced message to: {deliveryReport.TopicPartitionOffset}");
numProduced += 1;
}
});
}
producer.Flush(TimeSpan.FromSeconds(10));
Console.WriteLine($"{numProduced} messages were produced to topic {topic}");
}
}
public void SimpleProduce(string topic, List <Message <Null, string> > messages)
{
var producerConfig = new ProducerConfig {
BootstrapServers = this.Brokers
};
void handler(DeliveryReport <Null, string> r)
{
if (!r.Error.IsError)
{
Console.WriteLine($"Delivered message to {r.TopicPartitionOffset}");
}
else
{
Console.WriteLine($"Delivery Error: {r.Error.Reason}");
}
}
using (var producer = new ProducerBuilder <Null, string>(producerConfig).Build()) {
foreach (var message in messages)
{
producer.Produce(topic, message, handler);
}
// wait for up to 10 seconds for any inflight messages to be delivered.
producer.Flush(TimeSpan.FromSeconds(1 + (messages.Count / 10)));
}
}
public int Produce(ClientConfig config, string topic)
{
_logger.Info($" Produce to the '{topic}' topic: ");
using (var producer = new ProducerBuilder <string, string>(config).Build())
{
int numProduced = 0;
for (int i = 0; i < _numMessages; ++i)
{
var val = JObject.FromObject(new { count = i }).ToString(Formatting.None);
//_logger.Info($"Producing record: {_key} {val}");
producer.Produce(topic, new Message <string, string> {
Key = _key, Value = val
},
(deliveryReport) =>
{
if (deliveryReport.Error.Code != ErrorCode.NoError)
{
_logger.Error($"Failed to deliver message: {deliveryReport.Error.Reason}");
}
else
{
_logger.Info($"produced message to: {deliveryReport.TopicPartitionOffset}");
numProduced += 1;
}
});
}
producer.Flush(TimeSpan.FromSeconds(10));
_logger.Info($"{numProduced} messages were produced to topic {topic}");
return(numProduced);
}
}
public static async Task Main(string[] args)
{
var conf = new ProducerConfig {
BootstrapServers = "localhost:9092"
};
Action <DeliveryReport <Null, string> > handler = r =>
Console.WriteLine(!r.Error.IsError
? $"Delivered message to {r.TopicPartitionOffset}"
: $"Delivery Error: {r.Error.Reason}");
using (var p = new ProducerBuilder <Null, string>(conf).Build())
{
for (int i = 0; i < 100; ++i)
{
//Enter the name of the topic, and start producing
p.Produce("myTopic", new Message <Null, string> {
Value = "What " + i.ToString()
}, handler);
}
// wait for up to 10 seconds for any inflight messages to be delivered.
p.Flush(TimeSpan.FromSeconds(10));
}
}
public static void Main(string[] args)
{
var conf = new ProducerConfig
{
//BootstrapServers = "localhost:9092",
BootstrapServers = "172.20.2.8:9092",
};
string val = string.Empty;
while (val != "test")
{
Console.WriteLine("Producer -->");
val = Console.ReadLine();
//Action<DeliveryReport<Null, string>> handler = r =>
// Console.WriteLine(!r.Error.IsError
// ? $"Delivered message to {r.TopicPartitionOffset}"
// : $"Delivery Error: {r.Error.Reason}");
using (var p = new ProducerBuilder <Null, string>(conf).Build())
{
p.Produce("my-topic", new Message <Null, string> {
Value = val
});
//p.Produce("my-topic", new Message<Null, string> { Value = val }, handler);
// wait for up to 10 seconds for any inflight messages to be delivered.
p.Flush(TimeSpan.FromSeconds(10));
}
}
}
private static void Main(string[] args)
{
Console.WriteLine("Hello Kafka Numbers Producer!");
var config = new ProducerConfig
{
BootstrapServers = "localhost:9092"
};
using var producer = new ProducerBuilder <string, string>(config).Build();
while (true)
{
var input = Console.ReadKey().KeyChar.ToString();
try
{
producer.Produce(
"topic-numbers",
new Message <string, string>
{
Value = input,
Key = input,
Headers = new Headers
{
new Header("bragajs", Encoding.UTF8.GetBytes("bragajs kafka"))
}
});
}
catch (ProduceException <Null, string> e)
{
Debug.WriteLine($"Delivery failed: {e.Error.Reason}");
}
}
}
