static void Main(string[] args) { const int partitionId = 0; if (args.Length < 2) { Usage(); return; } var serverAddress = args[0].Split(':')[0]; var serverPort = Convert.ToInt32(args[0].Split(':')[1]); var topicName = args[1]; long startOffset = 5; if (args.Length > 2) startOffset = Convert.ToInt64(args[2]); var busConnector = new KafkaBusConnector(serverAddress, serverPort, "c# KafkaConsume util"); IKafkaMessageConsumer consumer = new MessageConsumer(); consumer.Start(busConnector, topicName, partitionId, startOffset, DumpMessage); while (Console.KeyAvailable == false) { Thread.Sleep(100); } consumer.Stop(); }
static void Main(string[] args) { string topicName = "kafkatopic"; int partitionId = 0; int correlationId = 0; KafkaBusConnector busConnector = new KafkaBusConnector("192.168.0.105", 9092, "KafkaConsole"); IKafkaMessageConsumer consumer = new MessageConsumer(); consumer.Start(busConnector, topicName, partitionId, 4, DumpMessage); while (Console.KeyAvailable == false) { Thread.Sleep(100); } consumer.Stop(); //short errorCode = busConnector.Produce(topicName, -1, "Hello"); var stream = busConnector.CreateMessageStream(topicName, partitionId, KafkaMessageStream.StreamStart.Beginning); foreach (var kafkaMessage in stream) { Console.WriteLine(kafkaMessage); if (Console.KeyAvailable == true) { ConsoleKeyInfo info = Console.ReadKey(); stream.Close(); } } stream = busConnector.CreateMessageStream(topicName, partitionId, KafkaMessageStream.StreamStart.Next); foreach (var kafkaMessage in stream) { Console.WriteLine(kafkaMessage); if (Console.KeyAvailable == true) { ConsoleKeyInfo info = Console.ReadKey(); stream.Close(); } } Connector connector = new Connector("192.168.0.105", 9092); int max = 4; byte[] message = new byte[]{49}; message = Encoding.ASCII.GetBytes("Hello from c#"); //MetadataResponse metadataResponse = connector.Metadata(correlationId, "C#", topicName); //Console.WriteLine(metadataResponse); //foreach (var broker in metadataResponse.Brokers) //{ // Console.WriteLine("Brooker:" + broker); //} //foreach (string metadataTopicName in metadataResponse.Topics()) //{ // Console.Write("Topic:" + metadataTopicName); // if (metadataResponse.TopicErrorCode(metadataTopicName) != 0) // Console.WriteLine("\tTopic error:" + metadataResponse.TopicErrorCode(metadataTopicName)); // else // Console.WriteLine(); // foreach (var partitionMetadata in metadataResponse.Partitions(topicName)) // { // Console.WriteLine("\t" + partitionMetadata); // } //} //connector.Produce(correlationId, "c#", 500, topicName, partitionId, message); OffsetResponse offsetResponse = connector.GetOffsetResponse(topicName, OffsetRequest.LatestTime, max, correlationId, "C#", partitionId); FetchResponse fetchResponse; int maxOffset = 0; foreach (var offsetTopicName in offsetResponse.Topics()) { Console.WriteLine(offsetTopicName); foreach (var partition in offsetResponse.Partitions(offsetTopicName)) { Console.WriteLine("PartitionId:" + partition); Console.WriteLine("Error:" + offsetResponse.Errorcode(offsetTopicName,partition)); Console.WriteLine("Offset count:" + offsetResponse.Offsets(offsetTopicName, partition).Count); Console.WriteLine("Start offset:" + offsetResponse.Offsets(offsetTopicName, partition)[1]); Console.WriteLine("End offset:" + offsetResponse.Offsets(offsetTopicName, partition)[0]); fetchResponse = connector.Fetch(offsetTopicName, partition, correlationId, "C#", offsetResponse.Offsets(offsetTopicName, partition)[1],5000); foreach (var fetchTopic in fetchResponse.Topics) { foreach (FetchPartition fetchPartition in fetchTopic.Partitions) { Console.WriteLine("Error:" + fetchPartition.ErrorCode); Console.WriteLine("Id:" + fetchPartition.PartitionId); foreach (var messageSet in fetchPartition.MessageSets) { if (messageSet != null) { Console.Write("Offset:" + messageSet.MessageOffset + "\t"); Console.WriteLine("Message:" + messageSet.Message); } } Console.WriteLine(); } } } } //fetchResponse = connector.Fetch("kafkatopic", 0, 1, "C#", 7); //foreach (var fetchTopic in fetchResponse.Topics) //{ // foreach (FetchPartition fetchPartition in fetchTopic.Partitions) // { // Console.WriteLine("Error:" + fetchPartition.ErrorCode); // Console.WriteLine("Id:" + fetchPartition.PartitionId); // if (fetchPartition.MessageSet != null) // { // Console.WriteLine(fetchPartition.MessageSet.Message); // } // Console.WriteLine(); // } //} //FetchResponse fetchResponse = connector.Fetch("kafkatopic", partitionId, correlationId, "C#", offsetResponse.Topics[0].Partitions[0].Offsets[1]); //foreach (var topic in fetchResponse.Topics) //{ // Console.WriteLine(topic.TopicName); // foreach (FetchPartition partition in topic.Partitions) // { // Console.WriteLine("Error:" + partition.ErrorCode); // Console.WriteLine("Id:" + partition.PartitionId); // Console.Write("Offset:" + partition.MessageSet.MessageOffset + " "); // Console.WriteLine(partition.MessageSet.Message); // } //} //FetchResponse fetchResponse = connector.Fetch("kafkatopic", 0, 1, 1, offsetResponse.Topics[0].Partitions[0].Offsets[0]); //long[] offsets = consumer.GetOffsetsBefore("kafkatopic", 0, OffsetRequest.LatestTime, max).ToArray(); //List<Message> messages = consumer.Consume("kafkatopic", 0, offsets[0]); //foreach (var message in messages) //{ // Console.WriteLine(message.ToString()); //} }