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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2016, 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_FEATURE_H_
#define _RDKAFKA_FEATURE_H_
/**
* @brief Kafka protocol features
*/
/* Message version 1 (MagicByte=1):
* + relative offsets (KIP-31)
* + timestamps (KIP-32) */
#define RD_KAFKA_FEATURE_MSGVER1 0x1
/* ApiVersionQuery support (KIP-35) */
#define RD_KAFKA_FEATURE_APIVERSION 0x2
/* >= 0.9: Broker-based Balanced Consumer */
#define RD_KAFKA_FEATURE_BROKER_BALANCED_CONSUMER 0x4
/* >= 0.9: Produce/Fetch ThrottleTime reporting */
#define RD_KAFKA_FEATURE_THROTTLETIME 0x8
/* >= 0.9: SASL GSSAPI support */
#define RD_KAFKA_FEATURE_SASL_GSSAPI 0x10
/* >= 0.10: SaslMechanismRequest (KIP-43) */
#define RD_KAFKA_FEATURE_SASL_HANDSHAKE 0x20
/* >= 0.8.2.0: Broker-based Group coordinator */
#define RD_KAFKA_FEATURE_BROKER_GROUP_COORD 0x40
/* >= 0.8.2.0: LZ4 compression (with bad and proper HC checksums) */
#define RD_KAFKA_FEATURE_LZ4 0x80
/* >= 0.10.1.0: Time-based Offset fetch (KIP-79) */
#define RD_KAFKA_FEATURE_OFFSET_TIME 0x100
/* >= 0.11.0.0: Message version 2 (MagicByte=2):
* + EOS message format KIP-98 */
#define RD_KAFKA_FEATURE_MSGVER2 0x200
/* >= 0.11.0.0: Idempotent Producer support */
#define RD_KAFKA_FEATURE_IDEMPOTENT_PRODUCER 0x400
/* >= 2.1.0-IV2: ZSTD compression */
#define RD_KAFKA_FEATURE_ZSTD 0x800
/* >= 1.0.0: SaslAuthenticateRequest */
#define RD_KAFKA_FEATURE_SASL_AUTH_REQ 0x1000
/* Unit-test mock broker: broker supports everything.
* Should be used with RD_KAFKA_FEATURE_ALL, but not be included in bitmask */
#define RD_KAFKA_FEATURE_UNITTEST 0x4000
/* All features (except UNITTEST) */
#define RD_KAFKA_FEATURE_ALL (0xffff & ~RD_KAFKA_FEATURE_UNITTEST)
int rd_kafka_get_legacy_ApiVersions(const char *broker_version,
struct rd_kafka_ApiVersion **apisp,
size_t *api_cntp,
const char *fallback);
int rd_kafka_ApiVersion_is_queryable(const char *broker_version);
void rd_kafka_ApiVersions_copy(const struct rd_kafka_ApiVersion *src,
size_t src_cnt,
struct rd_kafka_ApiVersion **dstp,
size_t *dst_cntp);
int rd_kafka_features_check(rd_kafka_broker_t *rkb,
struct rd_kafka_ApiVersion *broker_apis,
size_t broker_api_cnt);
const char *rd_kafka_features2str(int features);
#endif /* _RDKAFKA_FEATURE_H_ */
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