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diff --git a/src/write_kafka.c b/src/write_kafka.c
--- a/src/write_kafka.c
+++ /dev/null
@@ -1,487 +0,0 @@
-/**
- * collectd - src/write_kafka.c
- * Copyright (C) 2014 Pierre-Yves Ritschard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Pierre-Yves Ritschard <pyr at spootnik.org>
- */
-
-#include "collectd.h"
-#include "plugin.h"
-#include "common.h"
-#include "configfile.h"
-#include "utils_cache.h"
-#include "utils_cmd_putval.h"
-#include "utils_format_graphite.h"
-#include "utils_format_json.h"
-#include "utils_crc32.h"
-
-#include <sys/types.h>
-#include <librdkafka/rdkafka.h>
-#include <pthread.h>
-#include <zlib.h>
-#include <errno.h>
-
-struct kafka_topic_context {
-#define KAFKA_FORMAT_JSON 0
-#define KAFKA_FORMAT_COMMAND 1
-#define KAFKA_FORMAT_GRAPHITE 2
- u_int8_t format;
- unsigned int graphite_flags;
- _Bool store_rates;
- rd_kafka_topic_conf_t *conf;
- rd_kafka_topic_t *topic;
- rd_kafka_conf_t *kafka_conf;
- rd_kafka_t *kafka;
- int has_key;
- u_int32_t key;
- char *prefix;
- char *postfix;
- char escape_char;
- char *topic_name;
- pthread_mutex_t lock;
-};
-
-static int kafka_handle(struct kafka_topic_context *);
-static int kafka_write(const data_set_t *, const value_list_t *, user_data_t *);
-static int32_t kafka_partition(const rd_kafka_topic_t *, const void *, size_t,
- int32_t, void *, void *);
-
-#if defined HAVE_LIBRDKAFKA_LOGGER || defined HAVE_LIBRDKAFKA_LOG_CB
-static void kafka_log(const rd_kafka_t *, int, const char *, const char *);
-
-static void kafka_log(const rd_kafka_t *rkt, int level,
- const char *fac, const char *msg)
-{
- plugin_log(level, "%s", msg);
-}
-#endif
-
-static int32_t kafka_partition(const rd_kafka_topic_t *rkt,
- const void *keydata, size_t keylen,
- int32_t partition_cnt, void *p, void *m)
-{
- u_int32_t key = *((u_int32_t *)keydata );
- u_int32_t target = key % partition_cnt;
- int32_t i = partition_cnt;
-
- while (--i > 0 && !rd_kafka_topic_partition_available(rkt, target)) {
- target = (target + 1) % partition_cnt;
- }
- return target;
-}
-
-static int kafka_handle(struct kafka_topic_context *ctx) /* {{{ */
-{
- char errbuf[1024];
- rd_kafka_conf_t *conf;
- rd_kafka_topic_conf_t *topic_conf;
-
- if (ctx->kafka != NULL && ctx->topic != NULL)
- return(0);
-
- if (ctx->kafka == NULL) {
- if ((conf = rd_kafka_conf_dup(ctx->kafka_conf)) == NULL) {
- ERROR("write_kafka plugin: cannot duplicate kafka config");
- return(1);
- }
-
- if ((ctx->kafka = rd_kafka_new(RD_KAFKA_PRODUCER, conf,
- errbuf, sizeof(errbuf))) == NULL) {
- ERROR("write_kafka plugin: cannot create kafka handle.");
- return 1;
- }
-
- rd_kafka_conf_destroy(ctx->kafka_conf);
- ctx->kafka_conf = NULL;
-
- INFO ("write_kafka plugin: created KAFKA handle : %s", rd_kafka_name(ctx->kafka));
-
-#ifdef HAVE_LIBRDKAFKA_LOGGER
- rd_kafka_set_logger(ctx->kafka, kafka_log);
-#endif
- }
-
- if (ctx->topic == NULL ) {
- if ((topic_conf = rd_kafka_topic_conf_dup(ctx->conf)) == NULL) {
- ERROR("write_kafka plugin: cannot duplicate kafka topic config");
- return 1;
- }
-
- if ((ctx->topic = rd_kafka_topic_new(ctx->kafka, ctx->topic_name,
- topic_conf)) == NULL) {
- ERROR("write_kafka plugin: cannot create topic : %s\n",
- rd_kafka_err2str(rd_kafka_errno2err(errno)));
- return errno;
- }
-
- rd_kafka_topic_conf_destroy(ctx->conf);
- ctx->conf = NULL;
-
- INFO ("write_kafka plugin: handle created for topic : %s", rd_kafka_topic_name(ctx->topic));
- }
-
- return(0);
-
-} /* }}} int kafka_handle */
-
-static int kafka_write(const data_set_t *ds, /* {{{ */
- const value_list_t *vl,
- user_data_t *ud)
-{
- int status = 0;
- u_int32_t key;
- char buffer[8192];
- size_t bfree = sizeof(buffer);
- size_t bfill = 0;
- size_t blen = 0;
- struct kafka_topic_context *ctx = ud->data;
-
- if ((ds == NULL) || (vl == NULL) || (ctx == NULL))
- return EINVAL;
-
- pthread_mutex_lock (&ctx->lock);
- status = kafka_handle(ctx);
- pthread_mutex_unlock (&ctx->lock);
- if( status != 0 )
- return status;
-
- bzero(buffer, sizeof(buffer));
-
- switch (ctx->format) {
- case KAFKA_FORMAT_COMMAND:
- status = create_putval(buffer, sizeof(buffer), ds, vl);
- if (status != 0) {
- ERROR("write_kafka plugin: create_putval failed with status %i.",
- status);
- return status;
- }
- blen = strlen(buffer);
- break;
- case KAFKA_FORMAT_JSON:
-
- format_json_initialize(buffer, &bfill, &bfree);
- format_json_value_list(buffer, &bfill, &bfree, ds, vl,
- ctx->store_rates);
- format_json_finalize(buffer, &bfill, &bfree);
- blen = strlen(buffer);
- break;
- case KAFKA_FORMAT_GRAPHITE:
- status = format_graphite(buffer, sizeof(buffer), ds, vl,
- ctx->prefix, ctx->postfix, ctx->escape_char,
- ctx->graphite_flags);
- if (status != 0) {
- ERROR("write_kafka plugin: format_graphite failed with status %i.",
- status);
- return status;
- }
- blen = strlen(buffer);
- break;
- default:
- ERROR("write_kafka plugin: invalid format %i.", ctx->format);
- return -1;
- }
-
- /*
- * We partition our stream by metric name
- */
- if (ctx->has_key)
- key = ctx->key;
- else
- key = rand();
-
- rd_kafka_produce(ctx->topic, RD_KAFKA_PARTITION_UA,
- RD_KAFKA_MSG_F_COPY, buffer, blen,
- &key, sizeof(key), NULL);
-
- return status;
-} /* }}} int kafka_write */
-
-static void kafka_topic_context_free(void *p) /* {{{ */
-{
- struct kafka_topic_context *ctx = p;
-
- if (ctx == NULL)
- return;
-
- if (ctx->topic_name != NULL)
- sfree(ctx->topic_name);
- if (ctx->topic != NULL)
- rd_kafka_topic_destroy(ctx->topic);
- if (ctx->conf != NULL)
- rd_kafka_topic_conf_destroy(ctx->conf);
- if (ctx->kafka_conf != NULL)
- rd_kafka_conf_destroy(ctx->kafka_conf);
- if (ctx->kafka != NULL)
- rd_kafka_destroy(ctx->kafka);
-
- sfree(ctx);
-} /* }}} void kafka_topic_context_free */
-
-static void kafka_config_topic(rd_kafka_conf_t *conf, oconfig_item_t *ci) /* {{{ */
-{
- int status;
- int i;
- struct kafka_topic_context *tctx;
- char *key = NULL;
- char *val;
- char callback_name[DATA_MAX_NAME_LEN];
- char errbuf[1024];
- user_data_t ud;
- oconfig_item_t *child;
- rd_kafka_conf_res_t ret;
-
- if ((tctx = calloc(1, sizeof (*tctx))) == NULL) {
- ERROR ("write_kafka plugin: calloc failed.");
- return;
- }
-
- tctx->escape_char = '.';
- tctx->store_rates = 1;
- tctx->format = KAFKA_FORMAT_JSON;
-
- if ((tctx->kafka_conf = rd_kafka_conf_dup(conf)) == NULL) {
- sfree(tctx);
- ERROR("write_kafka plugin: cannot allocate memory for kafka config");
- return;
- }
-
-#ifdef HAVE_LIBRDKAFKA_LOG_CB
- rd_kafka_conf_set_log_cb(tctx->kafka_conf, kafka_log);
-#endif
-
- if ((tctx->conf = rd_kafka_topic_conf_new()) == NULL) {
- rd_kafka_conf_destroy(tctx->kafka_conf);
- sfree(tctx);
- ERROR ("write_kafka plugin: cannot create topic configuration.");
- return;
- }
-
- if (ci->values_num != 1) {
- WARNING("kafka topic name needed.");
- goto errout;
- }
-
- if (ci->values[0].type != OCONFIG_TYPE_STRING) {
- WARNING("kafka topic needs a string argument.");
- goto errout;
- }
-
- if ((tctx->topic_name = strdup(ci->values[0].value.string)) == NULL) {
- ERROR("write_kafka plugin: cannot copy topic name.");
- goto errout;
- }
-
- for (i = 0; i < ci->children_num; i++) {
- /*
- * The code here could be simplified but makes room
- * for easy adding of new options later on.
- */
- child = &ci->children[i];
- status = 0;
-
- if (strcasecmp ("Property", child->key) == 0) {
- if (child->values_num != 2) {
- WARNING("kafka properties need both a key and a value.");
- goto errout;
- }
- if (child->values[0].type != OCONFIG_TYPE_STRING ||
- child->values[1].type != OCONFIG_TYPE_STRING) {
- WARNING("kafka properties needs string arguments.");
- goto errout;
- }
- key = child->values[0].value.string;
- val = child->values[1].value.string;
- ret = rd_kafka_topic_conf_set(tctx->conf,key, val,
- errbuf, sizeof(errbuf));
- if (ret != RD_KAFKA_CONF_OK) {
- WARNING("cannot set kafka topic property %s to %s: %s.",
- key, val, errbuf);
- goto errout;
- }
-
- } else if (strcasecmp ("Key", child->key) == 0) {
- char *tmp_buf = NULL;
- status = cf_util_get_string(child, &tmp_buf);
- if (status != 0) {
- WARNING("write_kafka plugin: invalid key supplied");
- break;
- }
-
- if (strcasecmp(tmp_buf, "Random") != 0) {
- tctx->has_key = 1;
- tctx->key = crc32_buffer((u_char *)tmp_buf, strlen(tmp_buf));
- }
- sfree(tmp_buf);
-
- } else if (strcasecmp ("Format", child->key) == 0) {
- status = cf_util_get_string(child, &key);
- if (status != 0)
- goto errout;
-
- assert(key != NULL);
-
- if (strcasecmp(key, "Command") == 0) {
- tctx->format = KAFKA_FORMAT_COMMAND;
-
- } else if (strcasecmp(key, "Graphite") == 0) {
- tctx->format = KAFKA_FORMAT_GRAPHITE;
-
- } else if (strcasecmp(key, "Json") == 0) {
- tctx->format = KAFKA_FORMAT_JSON;
-
- } else {
- WARNING ("write_kafka plugin: Invalid format string: %s",
- key);
- }
-
- sfree(key);
-
- } else if (strcasecmp ("StoreRates", child->key) == 0) {
- status = cf_util_get_boolean (child, &tctx->store_rates);
- (void) cf_util_get_flag (child, &tctx->graphite_flags,
- GRAPHITE_STORE_RATES);
-
- } else if (strcasecmp ("GraphiteSeparateInstances", child->key) == 0) {
- status = cf_util_get_flag (child, &tctx->graphite_flags,
- GRAPHITE_SEPARATE_INSTANCES);
-
- } else if (strcasecmp ("GraphiteAlwaysAppendDS", child->key) == 0) {
- status = cf_util_get_flag (child, &tctx->graphite_flags,
- GRAPHITE_ALWAYS_APPEND_DS);
-
- } else if (strcasecmp ("GraphitePrefix", child->key) == 0) {
- status = cf_util_get_string (child, &tctx->prefix);
- } else if (strcasecmp ("GraphitePostfix", child->key) == 0) {
- status = cf_util_get_string (child, &tctx->postfix);
- } else if (strcasecmp ("GraphiteEscapeChar", child->key) == 0) {
- char *tmp_buff = NULL;
- status = cf_util_get_string (child, &tmp_buff);
- if (strlen (tmp_buff) > 1)
- WARNING ("write_kafka plugin: The option \"GraphiteEscapeChar\" handles "
- "only one character. Others will be ignored.");
- tctx->escape_char = tmp_buff[0];
- sfree (tmp_buff);
- } else {
- WARNING ("write_kafka plugin: Invalid directive: %s.", child->key);
- }
-
- if (status != 0)
- break;
- }
-
- rd_kafka_topic_conf_set_partitioner_cb(tctx->conf, kafka_partition);
- rd_kafka_topic_conf_set_opaque(tctx->conf, tctx);
-
- ssnprintf(callback_name, sizeof(callback_name),
- "write_kafka/%s", tctx->topic_name);
-
- ud.data = tctx;
- ud.free_func = kafka_topic_context_free;
-
- status = plugin_register_write (callback_name, kafka_write, &ud);
- if (status != 0) {
- WARNING ("write_kafka plugin: plugin_register_write (\"%s\") "
- "failed with status %i.",
- callback_name, status);
- goto errout;
- }
-
- pthread_mutex_init (&tctx->lock, /* attr = */ NULL);
-
- return;
- errout:
- if (tctx->topic_name != NULL)
- free(tctx->topic_name);
- if (tctx->conf != NULL)
- rd_kafka_topic_conf_destroy(tctx->conf);
- if (tctx->kafka_conf != NULL)
- rd_kafka_conf_destroy(tctx->kafka_conf);
- sfree(tctx);
-} /* }}} int kafka_config_topic */
-
-static int kafka_config(oconfig_item_t *ci) /* {{{ */
-{
- int i;
- oconfig_item_t *child;
- rd_kafka_conf_t *conf;
- rd_kafka_conf_res_t ret;
- char errbuf[1024];
-
- if ((conf = rd_kafka_conf_new()) == NULL) {
- WARNING("cannot allocate kafka configuration.");
- return -1;
- }
- for (i = 0; i < ci->children_num; i++) {
- child = &ci->children[i];
-
- if (strcasecmp("Topic", child->key) == 0) {
- kafka_config_topic (conf, child);
- } else if (strcasecmp(child->key, "Property") == 0) {
- char *key = NULL;
- char *val = NULL;
-
- if (child->values_num != 2) {
- WARNING("kafka properties need both a key and a value.");
- goto errout;
- }
- if (child->values[0].type != OCONFIG_TYPE_STRING ||
- child->values[1].type != OCONFIG_TYPE_STRING) {
- WARNING("kafka properties needs string arguments.");
- goto errout;
- }
- if ((key = strdup(child->values[0].value.string)) == NULL) {
- WARNING("cannot allocate memory for attribute key.");
- goto errout;
- }
- if ((val = strdup(child->values[1].value.string)) == NULL) {
- WARNING("cannot allocate memory for attribute value.");
- goto errout;
- }
- ret = rd_kafka_conf_set(conf, key, val, errbuf, sizeof(errbuf));
- if (ret != RD_KAFKA_CONF_OK) {
- WARNING("cannot set kafka property %s to %s: %s",
- key, val, errbuf);
- goto errout;
- }
- sfree(key);
- sfree(val);
- } else {
- WARNING ("write_kafka plugin: Ignoring unknown "
- "configuration option \"%s\" at top level.",
- child->key);
- }
- }
- if (conf != NULL)
- rd_kafka_conf_destroy(conf);
- return (0);
- errout:
- if (conf != NULL)
- rd_kafka_conf_destroy(conf);
- return -1;
-} /* }}} int kafka_config */
-
-void module_register(void)
-{
- plugin_register_complex_config ("write_kafka", kafka_config);
-}
-
-/* vim: set sw=8 sts=8 ts=8 noet : */