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librdkafka - Apache Kafka C client library

librdkafka is a C implementation of the Apache Kafka protocol, containing both Producer and Consumer support. It currently supports Apache Kafka version 0.7.* (and possibly earlier).

ZooKeeper integration is planned but currently not available.

librdkafka is licensed under the 2-clause BSD license.

Usage

Requirements

The GNU toolchain
pthreads
zlib

Instructions

Building

  make all
  make install
  # or to install in another location than /usr/local:
  PREFIX=/my/prefix make install

Usage in code

See examples/rdkafka_example.c for full examples of both producer and consumer sides.

  #include <librdkafka/rdkafka.h>

  ..

  rd_kafka_t *rk;

  rk = rd_kafka_new_consumer(broker, topic, partition, 0, &conf)

  while (run) {      
      rko = rd_kafka_consume(rk, RD_POLL_INFINITE);
      if (rko->rko_err)
        ..errhandling..
      else if (rko->rko_len)
        handle_message(rko->rko_payload, rko->rko_len);
  }

  rd_kafka_destroy(rk);

Link your program with -lrdkafka -lz -lpthread -lrt.

Documentation

The API is documented in rdkafka.h

Examples

See the examples/sub-directory.

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