hermann/ext/hermann/hermann_rdkafka.h

124 lines
3.1 KiB
C

/*
* hermann_rdkafka.h - Ruby wrapper for the librdkafka library
*
* Copyright (c) 2014 Stan Campbell
* Copyright (c) 2014 Lookout, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef HERMANN_H
#define HERMANN_H
#include <ruby.h>
#ifdef HAVE_RUBY_THREAD_H
#include <ruby/thread.h>
#endif
#ifdef HAVE_RUBY_INTERN_H
#include <ruby/intern.h>
#endif
#include <ctype.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <syslog.h>
#include <sys/time.h>
#include <errno.h>
#include <librdkafka/rdkafka.h>
#ifdef TRACE
#define TRACER(...) do { \
fprintf(stderr, "%i:%s()> ", __LINE__, __PRETTY_FUNCTION__); \
fprintf(stderr, __VA_ARGS__); \
fflush(stderr); \
} while (0)
#else
#define TRACER(...) do { } while (0)
#endif
// Holds the defined Ruby module for Hermann
static VALUE hermann_module;
#define HERMANN_MAX_ERRSTR_LEN 512
static int DEBUG = 0;
// Should we expect rb_thread_blocking_region to be present?
// #define RB_THREAD_BLOCKING_REGION
#undef RB_THREAD_BLOCKING_REGION
static enum {
OUTPUT_HEXDUMP,
OUTPUT_RAW,
} output = OUTPUT_HEXDUMP;
typedef struct HermannInstanceConfig {
char *topic;
/* Kafka configuration */
rd_kafka_t *rk;
rd_kafka_topic_t *rkt;
char *brokers;
int partition;
rd_kafka_topic_conf_t *topic_conf;
char errstr[512];
rd_kafka_conf_t *conf;
const char *debug;
int64_t start_offset;
int do_conf_dump;
int run;
int exit_eof;
int quiet;
int isInitialized;
int isConnected;
int isErrored;
char *error;
} HermannInstanceConfig;
typedef HermannInstanceConfig hermann_conf_t;
typedef struct {
/* Hermann::Provider::RDKafka::Producer */
hermann_conf_t *producer;
/* Hermann::Result */
VALUE result;
} hermann_push_ctx_t;
typedef struct {
rd_kafka_t *rk;
rd_kafka_topic_t *topic;
struct rd_kafka_metadata *data;
int timeout_ms;
} hermann_metadata_ctx_t;
#endif