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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2014-2018 Magnus Edenhill
* 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 _RDKAFKA_CONFVAL_H_
#define _RDKAFKA_CONFVAL_H_
/**
* @name Next generation configuration values
* @{
*
*/
/**
* @brief Configuration value type
*/
typedef enum rd_kafka_confval_type_t {
RD_KAFKA_CONFVAL_INT,
RD_KAFKA_CONFVAL_STR,
RD_KAFKA_CONFVAL_PTR,
} rd_kafka_confval_type_t;
/**
* @brief Configuration value (used by AdminOption).
* Comes with a type, backed by a union, and a flag to indicate
* if the value has been set or not.
*/
typedef struct rd_kafka_confval_s {
const char *name; /**< Property name */
rd_kafka_confval_type_t valuetype; /**< Value type, maps to union.*/
int is_set; /**< Value has been set. */
int is_enabled; /**< Confval is enabled. */
union {
struct {
int v; /**< Current value */
int vmin; /**< Minimum value (inclusive) */
int vmax; /**< Maximum value (inclusive) */
int vdef; /**< Default value */
} INT;
struct {
char *v; /**< Current value */
int allowempty; /**< Allow empty string as value */
size_t minlen; /**< Minimum string length excl \0 */
size_t maxlen; /**< Maximum string length excl \0 */
const char *vdef; /**< Default value */
} STR;
void *PTR; /**< Pointer */
} u;
} rd_kafka_confval_t;
void rd_kafka_confval_init_int(rd_kafka_confval_t *confval,
const char *name,
int vmin,
int vmax,
int vdef);
void rd_kafka_confval_init_ptr(rd_kafka_confval_t *confval, const char *name);
void rd_kafka_confval_disable(rd_kafka_confval_t *confval, const char *name);
rd_kafka_resp_err_t rd_kafka_confval_set_type(rd_kafka_confval_t *confval,
rd_kafka_confval_type_t valuetype,
const void *valuep,
char *errstr,
size_t errstr_size);
int rd_kafka_confval_get_int(const rd_kafka_confval_t *confval);
const char *rd_kafka_confval_get_str(const rd_kafka_confval_t *confval);
void *rd_kafka_confval_get_ptr(const rd_kafka_confval_t *confval);
/**@}*/
#endif /* _RDKAFKA_CONFVAL_H_ */
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