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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.
*/
/**
* @brief Converts op type to event type.
* @returns the event type, or 0 if the op cannot be mapped to an event.
*/
static RD_UNUSED RD_INLINE rd_kafka_event_type_t
rd_kafka_op2event(rd_kafka_op_type_t optype) {
static const rd_kafka_event_type_t map[RD_KAFKA_OP__END] = {
[RD_KAFKA_OP_DR] = RD_KAFKA_EVENT_DR,
[RD_KAFKA_OP_FETCH] = RD_KAFKA_EVENT_FETCH,
[RD_KAFKA_OP_ERR] = RD_KAFKA_EVENT_ERROR,
[RD_KAFKA_OP_CONSUMER_ERR] = RD_KAFKA_EVENT_ERROR,
[RD_KAFKA_OP_REBALANCE] = RD_KAFKA_EVENT_REBALANCE,
[RD_KAFKA_OP_OFFSET_COMMIT] = RD_KAFKA_EVENT_OFFSET_COMMIT,
[RD_KAFKA_OP_LOG] = RD_KAFKA_EVENT_LOG,
[RD_KAFKA_OP_STATS] = RD_KAFKA_EVENT_STATS,
[RD_KAFKA_OP_OAUTHBEARER_REFRESH] =
RD_KAFKA_EVENT_OAUTHBEARER_TOKEN_REFRESH};
return map[(int)optype & ~RD_KAFKA_OP_FLAGMASK];
}
/**
* @brief Attempt to set up an event based on rko.
* @returns 1 if op is event:able and set up, else 0.
*/
static RD_UNUSED RD_INLINE int rd_kafka_event_setup(rd_kafka_t *rk,
rd_kafka_op_t *rko) {
if (unlikely(rko->rko_flags & RD_KAFKA_OP_F_FORCE_CB))
return 0;
if (!rko->rko_evtype)
rko->rko_evtype = rd_kafka_op2event(rko->rko_type);
switch (rko->rko_evtype) {
case RD_KAFKA_EVENT_NONE:
return 0;
case RD_KAFKA_EVENT_DR:
rko->rko_rk = rk;
rd_dassert(!rko->rko_u.dr.do_purge2);
rd_kafka_msgq_init(&rko->rko_u.dr.msgq2);
rko->rko_u.dr.do_purge2 = 1;
return 1;
case RD_KAFKA_EVENT_ERROR:
if (rko->rko_err == RD_KAFKA_RESP_ERR__FATAL) {
/* Translate ERR__FATAL to the underlying fatal error
* code and string */
rd_kafka_resp_err_t ferr;
char errstr[512];
ferr = rd_kafka_fatal_error(rk, errstr, sizeof(errstr));
if (likely(ferr)) {
rko->rko_err = ferr;
if (rko->rko_u.err.errstr)
rd_free(rko->rko_u.err.errstr);
rko->rko_u.err.errstr = rd_strdup(errstr);
rko->rko_u.err.fatal = 1;
}
}
return 1;
case RD_KAFKA_EVENT_REBALANCE:
case RD_KAFKA_EVENT_LOG:
case RD_KAFKA_EVENT_OFFSET_COMMIT:
case RD_KAFKA_EVENT_STATS:
case RD_KAFKA_EVENT_CREATETOPICS_RESULT:
case RD_KAFKA_EVENT_DELETETOPICS_RESULT:
case RD_KAFKA_EVENT_CREATEPARTITIONS_RESULT:
case RD_KAFKA_EVENT_ALTERCONFIGS_RESULT:
case RD_KAFKA_EVENT_DESCRIBECONFIGS_RESULT:
case RD_KAFKA_EVENT_DELETERECORDS_RESULT:
case RD_KAFKA_EVENT_LISTCONSUMERGROUPS_RESULT:
case RD_KAFKA_EVENT_DESCRIBECONSUMERGROUPS_RESULT:
case RD_KAFKA_EVENT_DELETEGROUPS_RESULT:
case RD_KAFKA_EVENT_DELETECONSUMERGROUPOFFSETS_RESULT:
case RD_KAFKA_EVENT_CREATEACLS_RESULT:
case RD_KAFKA_EVENT_DESCRIBEACLS_RESULT:
case RD_KAFKA_EVENT_DELETEACLS_RESULT:
case RD_KAFKA_EVENT_ALTERCONSUMERGROUPOFFSETS_RESULT:
case RD_KAFKA_EVENT_LISTCONSUMERGROUPOFFSETS_RESULT:
case RD_KAFKA_EVENT_OAUTHBEARER_TOKEN_REFRESH:
return 1;
default:
return 0;
}
}
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