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rdkafka.c
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rdkafka.c
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/*
* librdkafka - Apache Kafka C library
*
* Copyright (c) 2012-2013, 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.
*/
#define _GNU_SOURCE
#include <errno.h>
#include <string.h>
#include <stdarg.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/stat.h>
#if !_WIN32
#include <sys/types.h>
#include <dirent.h>
#endif
#include "rdkafka_int.h"
#include "rdkafka_msg.h"
#include "rdkafka_broker.h"
#include "rdkafka_topic.h"
#include "rdkafka_partition.h"
#include "rdkafka_offset.h"
#include "rdkafka_transport.h"
#include "rdkafka_cgrp.h"
#include "rdkafka_assignor.h"
#include "rdkafka_request.h"
#include "rdkafka_event.h"
#include "rdkafka_error.h"
#include "rdkafka_sasl.h"
#include "rdkafka_interceptor.h"
#include "rdkafka_idempotence.h"
#include "rdkafka_sasl_oauthbearer.h"
#if WITH_OAUTHBEARER_OIDC
#include "rdkafka_sasl_oauthbearer_oidc.h"
#endif
#if WITH_SSL
#include "rdkafka_ssl.h"
#endif
#include "rdtime.h"
#include "crc32c.h"
#include "rdunittest.h"
#ifdef _WIN32
#include <sys/types.h>
#include <sys/timeb.h>
#endif
#define CJSON_HIDE_SYMBOLS
#include "cJSON.h"
#if WITH_CURL
#include "rdhttp.h"
#endif
static once_flag rd_kafka_global_init_once = ONCE_FLAG_INIT;
static once_flag rd_kafka_global_srand_once = ONCE_FLAG_INIT;
/**
* @brief Global counter+lock for all active librdkafka instances
*/
mtx_t rd_kafka_global_lock;
int rd_kafka_global_cnt;
/**
* Last API error code, per thread.
* Shared among all rd_kafka_t instances.
*/
rd_kafka_resp_err_t RD_TLS rd_kafka_last_error_code;
/**
* Current number of threads created by rdkafka.
* This is used in regression tests.
*/
rd_atomic32_t rd_kafka_thread_cnt_curr;
int rd_kafka_thread_cnt(void) {
return rd_atomic32_get(&rd_kafka_thread_cnt_curr);
}
/**
* Current thread's log name (TLS)
*/
char RD_TLS rd_kafka_thread_name[64] = "app";
void rd_kafka_set_thread_name(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
rd_vsnprintf(rd_kafka_thread_name, sizeof(rd_kafka_thread_name), fmt,
ap);
va_end(ap);
}
/**
* @brief Current thread's system name (TLS)
*
* Note the name must be 15 characters or less, because it is passed to
* pthread_setname_np on Linux which imposes this limit.
*/
static char RD_TLS rd_kafka_thread_sysname[16] = "app";
void rd_kafka_set_thread_sysname(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
rd_vsnprintf(rd_kafka_thread_sysname, sizeof(rd_kafka_thread_sysname),
fmt, ap);
va_end(ap);
thrd_setname(rd_kafka_thread_sysname);
}
static void rd_kafka_global_init0(void) {
cJSON_Hooks json_hooks = {.malloc_fn = rd_malloc, .free_fn = rd_free};
mtx_init(&rd_kafka_global_lock, mtx_plain);
#if ENABLE_DEVEL
rd_atomic32_init(&rd_kafka_op_cnt, 0);
#endif
rd_crc32c_global_init();
#if WITH_SSL
/* The configuration interface might need to use
* OpenSSL to parse keys, prior to any rd_kafka_t
* object has been created. */
rd_kafka_ssl_init();
#endif
cJSON_InitHooks(&json_hooks);
#if WITH_CURL
rd_http_global_init();
#endif
}
/**
* @brief Initialize once per process
*/
void rd_kafka_global_init(void) {
call_once(&rd_kafka_global_init_once, rd_kafka_global_init0);
}
/**
* @brief Seed the PRNG with current_time.milliseconds
*/
static void rd_kafka_global_srand(void) {
struct timeval tv;
rd_gettimeofday(&tv, NULL);
srand((unsigned int)(tv.tv_usec / 1000));
}
/**
* @returns the current number of active librdkafka instances
*/
static int rd_kafka_global_cnt_get(void) {
int r;
mtx_lock(&rd_kafka_global_lock);
r = rd_kafka_global_cnt;
mtx_unlock(&rd_kafka_global_lock);
return r;
}
/**
* @brief Increase counter for active librdkafka instances.
* If this is the first instance the global constructors will be called, if any.
*/
static void rd_kafka_global_cnt_incr(void) {
mtx_lock(&rd_kafka_global_lock);
rd_kafka_global_cnt++;
if (rd_kafka_global_cnt == 1) {
rd_kafka_transport_init();
#if WITH_SSL
rd_kafka_ssl_init();
#endif
rd_kafka_sasl_global_init();
}
mtx_unlock(&rd_kafka_global_lock);
}
/**
* @brief Decrease counter for active librdkafka instances.
* If this counter reaches 0 the global destructors will be called, if any.
*/
static void rd_kafka_global_cnt_decr(void) {
mtx_lock(&rd_kafka_global_lock);
rd_kafka_assert(NULL, rd_kafka_global_cnt > 0);
rd_kafka_global_cnt--;
if (rd_kafka_global_cnt == 0) {
rd_kafka_sasl_global_term();
#if WITH_SSL
rd_kafka_ssl_term();
#endif
}
mtx_unlock(&rd_kafka_global_lock);
}
/**
* Wait for all rd_kafka_t objects to be destroyed.
* Returns 0 if all kafka objects are now destroyed, or -1 if the
* timeout was reached.
*/
int rd_kafka_wait_destroyed(int timeout_ms) {
rd_ts_t timeout = rd_clock() + (timeout_ms * 1000);
while (rd_kafka_thread_cnt() > 0 || rd_kafka_global_cnt_get() > 0) {
if (rd_clock() >= timeout) {
rd_kafka_set_last_error(RD_KAFKA_RESP_ERR__TIMED_OUT,
ETIMEDOUT);
return -1;
}
rd_usleep(25000, NULL); /* 25ms */
}
return 0;
}
static void rd_kafka_log_buf(const rd_kafka_conf_t *conf,
const rd_kafka_t *rk,
int level,
int ctx,
const char *fac,
const char *buf) {
if (level > conf->log_level)
return;
else if (rk && conf->log_queue) {
rd_kafka_op_t *rko;
if (!rk->rk_logq)
return; /* Terminating */
rko = rd_kafka_op_new(RD_KAFKA_OP_LOG);
rd_kafka_op_set_prio(rko, RD_KAFKA_PRIO_MEDIUM);
rko->rko_u.log.level = level;
rd_strlcpy(rko->rko_u.log.fac, fac, sizeof(rko->rko_u.log.fac));
rko->rko_u.log.str = rd_strdup(buf);
rko->rko_u.log.ctx = ctx;
rd_kafka_q_enq(rk->rk_logq, rko);
} else if (conf->log_cb) {
conf->log_cb(rk, level, fac, buf);
}
}
/**
* @brief Logger
*
* @remark conf must be set, but rk may be NULL
*/
void rd_kafka_log0(const rd_kafka_conf_t *conf,
const rd_kafka_t *rk,
const char *extra,
int level,
int ctx,
const char *fac,
const char *fmt,
...) {
char buf[2048];
va_list ap;
unsigned int elen = 0;
unsigned int of = 0;
if (level > conf->log_level)
return;
if (conf->log_thread_name) {
elen = rd_snprintf(buf, sizeof(buf),
"[thrd:%s]: ", rd_kafka_thread_name);
if (unlikely(elen >= sizeof(buf)))
elen = sizeof(buf);
of = elen;
}
if (extra) {
elen = rd_snprintf(buf + of, sizeof(buf) - of, "%s: ", extra);
if (unlikely(elen >= sizeof(buf) - of))
elen = sizeof(buf) - of;
of += elen;
}
va_start(ap, fmt);
rd_vsnprintf(buf + of, sizeof(buf) - of, fmt, ap);
va_end(ap);
rd_kafka_log_buf(conf, rk, level, ctx, fac, buf);
}
rd_kafka_resp_err_t
rd_kafka_oauthbearer_set_token(rd_kafka_t *rk,
const char *token_value,
int64_t md_lifetime_ms,
const char *md_principal_name,
const char **extensions,
size_t extension_size,
char *errstr,
size_t errstr_size) {
#if WITH_SASL_OAUTHBEARER
return rd_kafka_oauthbearer_set_token0(
rk, token_value, md_lifetime_ms, md_principal_name, extensions,
extension_size, errstr, errstr_size);
#else
rd_snprintf(errstr, errstr_size,
"librdkafka not built with SASL OAUTHBEARER support");
return RD_KAFKA_RESP_ERR__NOT_IMPLEMENTED;
#endif
}
rd_kafka_resp_err_t rd_kafka_oauthbearer_set_token_failure(rd_kafka_t *rk,
const char *errstr) {
#if WITH_SASL_OAUTHBEARER
return rd_kafka_oauthbearer_set_token_failure0(rk, errstr);
#else
return RD_KAFKA_RESP_ERR__NOT_IMPLEMENTED;
#endif
}
void rd_kafka_log_print(const rd_kafka_t *rk,
int level,
const char *fac,
const char *buf) {
int secs, msecs;
struct timeval tv;
rd_gettimeofday(&tv, NULL);
secs = (int)tv.tv_sec;
msecs = (int)(tv.tv_usec / 1000);
fprintf(stderr, "%%%i|%u.%03u|%s|%s| %s\n", level, secs, msecs, fac,
rk ? rk->rk_name : "", buf);
}
void rd_kafka_log_syslog(const rd_kafka_t *rk,
int level,
const char *fac,
const char *buf) {
#if WITH_SYSLOG
static int initialized = 0;
if (!initialized)
openlog("rdkafka", LOG_PID | LOG_CONS, LOG_USER);
syslog(level, "%s: %s: %s", fac, rk ? rk->rk_name : "", buf);
#else
rd_assert(!*"syslog support not enabled in this build");
#endif
}
void rd_kafka_set_logger(rd_kafka_t *rk,
void (*func)(const rd_kafka_t *rk,
int level,
const char *fac,
const char *buf)) {
#if !WITH_SYSLOG
if (func == rd_kafka_log_syslog)
rd_assert(!*"syslog support not enabled in this build");
#endif
rk->rk_conf.log_cb = func;
}
void rd_kafka_set_log_level(rd_kafka_t *rk, int level) {
rk->rk_conf.log_level = level;
}
static const char *rd_kafka_type2str(rd_kafka_type_t type) {
static const char *types[] = {
[RD_KAFKA_PRODUCER] = "producer",
[RD_KAFKA_CONSUMER] = "consumer",
};
return types[type];
}
#define _ERR_DESC(ENUM, DESC) \
[ENUM - RD_KAFKA_RESP_ERR__BEGIN] = {ENUM, &(#ENUM)[18] /*pfx*/, DESC}
static const struct rd_kafka_err_desc rd_kafka_err_descs[] = {
_ERR_DESC(RD_KAFKA_RESP_ERR__BEGIN, NULL),
_ERR_DESC(RD_KAFKA_RESP_ERR__BAD_MSG, "Local: Bad message format"),
_ERR_DESC(RD_KAFKA_RESP_ERR__BAD_COMPRESSION,
"Local: Invalid compressed data"),
_ERR_DESC(RD_KAFKA_RESP_ERR__DESTROY, "Local: Broker handle destroyed"),
_ERR_DESC(
RD_KAFKA_RESP_ERR__FAIL,
"Local: Communication failure with broker"), // FIXME: too specific
_ERR_DESC(RD_KAFKA_RESP_ERR__TRANSPORT, "Local: Broker transport failure"),
_ERR_DESC(RD_KAFKA_RESP_ERR__CRIT_SYS_RESOURCE,
"Local: Critical system resource failure"),
_ERR_DESC(RD_KAFKA_RESP_ERR__RESOLVE, "Local: Host resolution failure"),
_ERR_DESC(RD_KAFKA_RESP_ERR__MSG_TIMED_OUT, "Local: Message timed out"),
_ERR_DESC(RD_KAFKA_RESP_ERR__PARTITION_EOF, "Broker: No more messages"),
_ERR_DESC(RD_KAFKA_RESP_ERR__UNKNOWN_PARTITION, "Local: Unknown partition"),
_ERR_DESC(RD_KAFKA_RESP_ERR__FS, "Local: File or filesystem error"),
_ERR_DESC(RD_KAFKA_RESP_ERR__UNKNOWN_TOPIC, "Local: Unknown topic"),
_ERR_DESC(RD_KAFKA_RESP_ERR__ALL_BROKERS_DOWN,
"Local: All broker connections are down"),
_ERR_DESC(RD_KAFKA_RESP_ERR__INVALID_ARG,
"Local: Invalid argument or configuration"),
_ERR_DESC(RD_KAFKA_RESP_ERR__TIMED_OUT, "Local: Timed out"),
_ERR_DESC(RD_KAFKA_RESP_ERR__QUEUE_FULL, "Local: Queue full"),
_ERR_DESC(RD_KAFKA_RESP_ERR__ISR_INSUFF, "Local: ISR count insufficient"),
_ERR_DESC(RD_KAFKA_RESP_ERR__NODE_UPDATE, "Local: Broker node update"),
_ERR_DESC(RD_KAFKA_RESP_ERR__SSL, "Local: SSL error"),
_ERR_DESC(RD_KAFKA_RESP_ERR__WAIT_COORD, "Local: Waiting for coordinator"),
_ERR_DESC(RD_KAFKA_RESP_ERR__UNKNOWN_GROUP, "Local: Unknown group"),
_ERR_DESC(RD_KAFKA_RESP_ERR__IN_PROGRESS, "Local: Operation in progress"),
_ERR_DESC(RD_KAFKA_RESP_ERR__PREV_IN_PROGRESS,
"Local: Previous operation in progress"),
_ERR_DESC(RD_KAFKA_RESP_ERR__EXISTING_SUBSCRIPTION,
"Local: Existing subscription"),
_ERR_DESC(RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS, "Local: Assign partitions"),
_ERR_DESC(RD_KAFKA_RESP_ERR__REVOKE_PARTITIONS, "Local: Revoke partitions"),
_ERR_DESC(RD_KAFKA_RESP_ERR__CONFLICT, "Local: Conflicting use"),
_ERR_DESC(RD_KAFKA_RESP_ERR__STATE, "Local: Erroneous state"),
_ERR_DESC(RD_KAFKA_RESP_ERR__UNKNOWN_PROTOCOL, "Local: Unknown protocol"),
_ERR_DESC(RD_KAFKA_RESP_ERR__NOT_IMPLEMENTED, "Local: Not implemented"),
_ERR_DESC(RD_KAFKA_RESP_ERR__AUTHENTICATION,
"Local: Authentication failure"),
_ERR_DESC(RD_KAFKA_RESP_ERR__NO_OFFSET, "Local: No offset stored"),
_ERR_DESC(RD_KAFKA_RESP_ERR__OUTDATED, "Local: Outdated"),
_ERR_DESC(RD_KAFKA_RESP_ERR__TIMED_OUT_QUEUE, "Local: Timed out in queue"),
_ERR_DESC(RD_KAFKA_RESP_ERR__UNSUPPORTED_FEATURE,
"Local: Required feature not supported by broker"),
_ERR_DESC(RD_KAFKA_RESP_ERR__WAIT_CACHE, "Local: Awaiting cache update"),
_ERR_DESC(RD_KAFKA_RESP_ERR__INTR, "Local: Operation interrupted"),
_ERR_DESC(RD_KAFKA_RESP_ERR__KEY_SERIALIZATION,
"Local: Key serialization error"),
_ERR_DESC(RD_KAFKA_RESP_ERR__VALUE_SERIALIZATION,
"Local: Value serialization error"),
_ERR_DESC(RD_KAFKA_RESP_ERR__KEY_DESERIALIZATION,
"Local: Key deserialization error"),
_ERR_DESC(RD_KAFKA_RESP_ERR__VALUE_DESERIALIZATION,
"Local: Value deserialization error"),
_ERR_DESC(RD_KAFKA_RESP_ERR__PARTIAL, "Local: Partial response"),
_ERR_DESC(RD_KAFKA_RESP_ERR__READ_ONLY, "Local: Read-only object"),
_ERR_DESC(RD_KAFKA_RESP_ERR__NOENT, "Local: No such entry"),
_ERR_DESC(RD_KAFKA_RESP_ERR__UNDERFLOW, "Local: Read underflow"),
_ERR_DESC(RD_KAFKA_RESP_ERR__INVALID_TYPE, "Local: Invalid type"),
_ERR_DESC(RD_KAFKA_RESP_ERR__RETRY, "Local: Retry operation"),
_ERR_DESC(RD_KAFKA_RESP_ERR__PURGE_QUEUE, "Local: Purged in queue"),
_ERR_DESC(RD_KAFKA_RESP_ERR__PURGE_INFLIGHT, "Local: Purged in flight"),
_ERR_DESC(RD_KAFKA_RESP_ERR__FATAL, "Local: Fatal error"),
_ERR_DESC(RD_KAFKA_RESP_ERR__INCONSISTENT, "Local: Inconsistent state"),
_ERR_DESC(RD_KAFKA_RESP_ERR__GAPLESS_GUARANTEE,
"Local: Gap-less ordering would not be guaranteed "
"if proceeding"),
_ERR_DESC(RD_KAFKA_RESP_ERR__MAX_POLL_EXCEEDED,
"Local: Maximum application poll interval "
"(max.poll.interval.ms) exceeded"),
_ERR_DESC(RD_KAFKA_RESP_ERR__UNKNOWN_BROKER, "Local: Unknown broker"),
_ERR_DESC(RD_KAFKA_RESP_ERR__NOT_CONFIGURED,
"Local: Functionality not configured"),
_ERR_DESC(RD_KAFKA_RESP_ERR__FENCED,
"Local: This instance has been fenced by a newer instance"),
_ERR_DESC(RD_KAFKA_RESP_ERR__APPLICATION,
"Local: Application generated error"),
_ERR_DESC(RD_KAFKA_RESP_ERR__ASSIGNMENT_LOST,
"Local: Group partition assignment lost"),
_ERR_DESC(RD_KAFKA_RESP_ERR__NOOP, "Local: No operation performed"),
_ERR_DESC(RD_KAFKA_RESP_ERR__AUTO_OFFSET_RESET,
"Local: No offset to automatically reset to"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNKNOWN, "Unknown broker error"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NO_ERROR, "Success"),
_ERR_DESC(RD_KAFKA_RESP_ERR_OFFSET_OUT_OF_RANGE,
"Broker: Offset out of range"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_MSG, "Broker: Invalid message"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNKNOWN_TOPIC_OR_PART,
"Broker: Unknown topic or partition"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_MSG_SIZE,
"Broker: Invalid message size"),
_ERR_DESC(RD_KAFKA_RESP_ERR_LEADER_NOT_AVAILABLE,
"Broker: Leader not available"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NOT_LEADER_FOR_PARTITION,
"Broker: Not leader for partition"),
_ERR_DESC(RD_KAFKA_RESP_ERR_REQUEST_TIMED_OUT, "Broker: Request timed out"),
_ERR_DESC(RD_KAFKA_RESP_ERR_BROKER_NOT_AVAILABLE,
"Broker: Broker not available"),
_ERR_DESC(RD_KAFKA_RESP_ERR_REPLICA_NOT_AVAILABLE,
"Broker: Replica not available"),
_ERR_DESC(RD_KAFKA_RESP_ERR_MSG_SIZE_TOO_LARGE,
"Broker: Message size too large"),
_ERR_DESC(RD_KAFKA_RESP_ERR_STALE_CTRL_EPOCH,
"Broker: StaleControllerEpochCode"),
_ERR_DESC(RD_KAFKA_RESP_ERR_OFFSET_METADATA_TOO_LARGE,
"Broker: Offset metadata string too large"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NETWORK_EXCEPTION,
"Broker: Broker disconnected before response received"),
_ERR_DESC(RD_KAFKA_RESP_ERR_COORDINATOR_LOAD_IN_PROGRESS,
"Broker: Coordinator load in progress"),
_ERR_DESC(RD_KAFKA_RESP_ERR_COORDINATOR_NOT_AVAILABLE,
"Broker: Coordinator not available"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NOT_COORDINATOR, "Broker: Not coordinator"),
_ERR_DESC(RD_KAFKA_RESP_ERR_TOPIC_EXCEPTION, "Broker: Invalid topic"),
_ERR_DESC(RD_KAFKA_RESP_ERR_RECORD_LIST_TOO_LARGE,
"Broker: Message batch larger than configured server "
"segment size"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NOT_ENOUGH_REPLICAS,
"Broker: Not enough in-sync replicas"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NOT_ENOUGH_REPLICAS_AFTER_APPEND,
"Broker: Message(s) written to insufficient number of "
"in-sync replicas"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_REQUIRED_ACKS,
"Broker: Invalid required acks value"),
_ERR_DESC(RD_KAFKA_RESP_ERR_ILLEGAL_GENERATION,
"Broker: Specified group generation id is not valid"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INCONSISTENT_GROUP_PROTOCOL,
"Broker: Inconsistent group protocol"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_GROUP_ID, "Broker: Invalid group.id"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNKNOWN_MEMBER_ID, "Broker: Unknown member"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_SESSION_TIMEOUT,
"Broker: Invalid session timeout"),
_ERR_DESC(RD_KAFKA_RESP_ERR_REBALANCE_IN_PROGRESS,
"Broker: Group rebalance in progress"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_COMMIT_OFFSET_SIZE,
"Broker: Commit offset data size is not valid"),
_ERR_DESC(RD_KAFKA_RESP_ERR_TOPIC_AUTHORIZATION_FAILED,
"Broker: Topic authorization failed"),
_ERR_DESC(RD_KAFKA_RESP_ERR_GROUP_AUTHORIZATION_FAILED,
"Broker: Group authorization failed"),
_ERR_DESC(RD_KAFKA_RESP_ERR_CLUSTER_AUTHORIZATION_FAILED,
"Broker: Cluster authorization failed"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_TIMESTAMP, "Broker: Invalid timestamp"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNSUPPORTED_SASL_MECHANISM,
"Broker: Unsupported SASL mechanism"),
_ERR_DESC(RD_KAFKA_RESP_ERR_ILLEGAL_SASL_STATE,
"Broker: Request not valid in current SASL state"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNSUPPORTED_VERSION,
"Broker: API version not supported"),
_ERR_DESC(RD_KAFKA_RESP_ERR_TOPIC_ALREADY_EXISTS,
"Broker: Topic already exists"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_PARTITIONS,
"Broker: Invalid number of partitions"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_REPLICATION_FACTOR,
"Broker: Invalid replication factor"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_REPLICA_ASSIGNMENT,
"Broker: Invalid replica assignment"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_CONFIG,
"Broker: Configuration is invalid"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NOT_CONTROLLER,
"Broker: Not controller for cluster"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_REQUEST, "Broker: Invalid request"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNSUPPORTED_FOR_MESSAGE_FORMAT,
"Broker: Message format on broker does not support request"),
_ERR_DESC(RD_KAFKA_RESP_ERR_POLICY_VIOLATION, "Broker: Policy violation"),
_ERR_DESC(RD_KAFKA_RESP_ERR_OUT_OF_ORDER_SEQUENCE_NUMBER,
"Broker: Broker received an out of order sequence number"),
_ERR_DESC(RD_KAFKA_RESP_ERR_DUPLICATE_SEQUENCE_NUMBER,
"Broker: Broker received a duplicate sequence number"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_PRODUCER_EPOCH,
"Broker: Producer attempted an operation with an old epoch"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_TXN_STATE,
"Broker: Producer attempted a transactional operation in "
"an invalid state"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_PRODUCER_ID_MAPPING,
"Broker: Producer attempted to use a producer id which is "
"not currently assigned to its transactional id"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_TRANSACTION_TIMEOUT,
"Broker: Transaction timeout is larger than the maximum "
"value allowed by the broker's max.transaction.timeout.ms"),
_ERR_DESC(RD_KAFKA_RESP_ERR_CONCURRENT_TRANSACTIONS,
"Broker: Producer attempted to update a transaction while "
"another concurrent operation on the same transaction was "
"ongoing"),
_ERR_DESC(RD_KAFKA_RESP_ERR_TRANSACTION_COORDINATOR_FENCED,
"Broker: Indicates that the transaction coordinator sending "
"a WriteTxnMarker is no longer the current coordinator for "
"a given producer"),
_ERR_DESC(RD_KAFKA_RESP_ERR_TRANSACTIONAL_ID_AUTHORIZATION_FAILED,
"Broker: Transactional Id authorization failed"),
_ERR_DESC(RD_KAFKA_RESP_ERR_SECURITY_DISABLED,
"Broker: Security features are disabled"),
_ERR_DESC(RD_KAFKA_RESP_ERR_OPERATION_NOT_ATTEMPTED,
"Broker: Operation not attempted"),
_ERR_DESC(RD_KAFKA_RESP_ERR_KAFKA_STORAGE_ERROR,
"Broker: Disk error when trying to access log file on disk"),
_ERR_DESC(RD_KAFKA_RESP_ERR_LOG_DIR_NOT_FOUND,
"Broker: The user-specified log directory is not found "
"in the broker config"),
_ERR_DESC(RD_KAFKA_RESP_ERR_SASL_AUTHENTICATION_FAILED,
"Broker: SASL Authentication failed"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNKNOWN_PRODUCER_ID,
"Broker: Unknown Producer Id"),
_ERR_DESC(RD_KAFKA_RESP_ERR_REASSIGNMENT_IN_PROGRESS,
"Broker: Partition reassignment is in progress"),
_ERR_DESC(RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_AUTH_DISABLED,
"Broker: Delegation Token feature is not enabled"),
_ERR_DESC(RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_NOT_FOUND,
"Broker: Delegation Token is not found on server"),
_ERR_DESC(RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_OWNER_MISMATCH,
"Broker: Specified Principal is not valid Owner/Renewer"),
_ERR_DESC(RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_REQUEST_NOT_ALLOWED,
"Broker: Delegation Token requests are not allowed on "
"this connection"),
_ERR_DESC(RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_AUTHORIZATION_FAILED,
"Broker: Delegation Token authorization failed"),
_ERR_DESC(RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_EXPIRED,
"Broker: Delegation Token is expired"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_PRINCIPAL_TYPE,
"Broker: Supplied principalType is not supported"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NON_EMPTY_GROUP,
"Broker: The group is not empty"),
_ERR_DESC(RD_KAFKA_RESP_ERR_GROUP_ID_NOT_FOUND,
"Broker: The group id does not exist"),
_ERR_DESC(RD_KAFKA_RESP_ERR_FETCH_SESSION_ID_NOT_FOUND,
"Broker: The fetch session ID was not found"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_FETCH_SESSION_EPOCH,
"Broker: The fetch session epoch is invalid"),
_ERR_DESC(RD_KAFKA_RESP_ERR_LISTENER_NOT_FOUND,
"Broker: No matching listener"),
_ERR_DESC(RD_KAFKA_RESP_ERR_TOPIC_DELETION_DISABLED,
"Broker: Topic deletion is disabled"),
_ERR_DESC(RD_KAFKA_RESP_ERR_FENCED_LEADER_EPOCH,
"Broker: Leader epoch is older than broker epoch"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNKNOWN_LEADER_EPOCH,
"Broker: Leader epoch is newer than broker epoch"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNSUPPORTED_COMPRESSION_TYPE,
"Broker: Unsupported compression type"),
_ERR_DESC(RD_KAFKA_RESP_ERR_STALE_BROKER_EPOCH,
"Broker: Broker epoch has changed"),
_ERR_DESC(RD_KAFKA_RESP_ERR_OFFSET_NOT_AVAILABLE,
"Broker: Leader high watermark is not caught up"),
_ERR_DESC(RD_KAFKA_RESP_ERR_MEMBER_ID_REQUIRED,
"Broker: Group member needs a valid member ID"),
_ERR_DESC(RD_KAFKA_RESP_ERR_PREFERRED_LEADER_NOT_AVAILABLE,
"Broker: Preferred leader was not available"),
_ERR_DESC(RD_KAFKA_RESP_ERR_GROUP_MAX_SIZE_REACHED,
"Broker: Consumer group has reached maximum size"),
_ERR_DESC(RD_KAFKA_RESP_ERR_FENCED_INSTANCE_ID,
"Broker: Static consumer fenced by other consumer with same "
"group.instance.id"),
_ERR_DESC(RD_KAFKA_RESP_ERR_ELIGIBLE_LEADERS_NOT_AVAILABLE,
"Broker: Eligible partition leaders are not available"),
_ERR_DESC(RD_KAFKA_RESP_ERR_ELECTION_NOT_NEEDED,
"Broker: Leader election not needed for topic partition"),
_ERR_DESC(RD_KAFKA_RESP_ERR_NO_REASSIGNMENT_IN_PROGRESS,
"Broker: No partition reassignment is in progress"),
_ERR_DESC(RD_KAFKA_RESP_ERR_GROUP_SUBSCRIBED_TO_TOPIC,
"Broker: Deleting offsets of a topic while the consumer "
"group is subscribed to it"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_RECORD,
"Broker: Broker failed to validate record"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNSTABLE_OFFSET_COMMIT,
"Broker: There are unstable offsets that need to be cleared"),
_ERR_DESC(RD_KAFKA_RESP_ERR_THROTTLING_QUOTA_EXCEEDED,
"Broker: Throttling quota has been exceeded"),
_ERR_DESC(RD_KAFKA_RESP_ERR_PRODUCER_FENCED,
"Broker: There is a newer producer with the same "
"transactionalId which fences the current one"),
_ERR_DESC(RD_KAFKA_RESP_ERR_RESOURCE_NOT_FOUND,
"Broker: Request illegally referred to resource that "
"does not exist"),
_ERR_DESC(RD_KAFKA_RESP_ERR_DUPLICATE_RESOURCE,
"Broker: Request illegally referred to the same resource "
"twice"),
_ERR_DESC(RD_KAFKA_RESP_ERR_UNACCEPTABLE_CREDENTIAL,
"Broker: Requested credential would not meet criteria for "
"acceptability"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INCONSISTENT_VOTER_SET,
"Broker: Indicates that the either the sender or recipient "
"of a voter-only request is not one of the expected voters"),
_ERR_DESC(RD_KAFKA_RESP_ERR_INVALID_UPDATE_VERSION,
"Broker: Invalid update version"),
_ERR_DESC(RD_KAFKA_RESP_ERR_FEATURE_UPDATE_FAILED,
"Broker: Unable to update finalized features due to "
"server error"),
_ERR_DESC(RD_KAFKA_RESP_ERR_PRINCIPAL_DESERIALIZATION_FAILURE,
"Broker: Request principal deserialization failed during "
"forwarding"),
_ERR_DESC(RD_KAFKA_RESP_ERR__END, NULL)};
void rd_kafka_get_err_descs(const struct rd_kafka_err_desc **errdescs,
size_t *cntp) {
*errdescs = rd_kafka_err_descs;
*cntp = RD_ARRAYSIZE(rd_kafka_err_descs);
}
const char *rd_kafka_err2str(rd_kafka_resp_err_t err) {
static RD_TLS char ret[32];
int idx = err - RD_KAFKA_RESP_ERR__BEGIN;
if (unlikely(err <= RD_KAFKA_RESP_ERR__BEGIN ||
err >= RD_KAFKA_RESP_ERR_END_ALL ||
!rd_kafka_err_descs[idx].desc)) {
rd_snprintf(ret, sizeof(ret), "Err-%i?", err);
return ret;
}
return rd_kafka_err_descs[idx].desc;
}
const char *rd_kafka_err2name(rd_kafka_resp_err_t err) {
static RD_TLS char ret[32];
int idx = err - RD_KAFKA_RESP_ERR__BEGIN;
if (unlikely(err <= RD_KAFKA_RESP_ERR__BEGIN ||
err >= RD_KAFKA_RESP_ERR_END_ALL ||
!rd_kafka_err_descs[idx].desc)) {
rd_snprintf(ret, sizeof(ret), "ERR_%i?", err);
return ret;
}
return rd_kafka_err_descs[idx].name;
}
rd_kafka_resp_err_t rd_kafka_last_error(void) {
return rd_kafka_last_error_code;
}
rd_kafka_resp_err_t rd_kafka_errno2err(int errnox) {
switch (errnox) {
case EINVAL:
return RD_KAFKA_RESP_ERR__INVALID_ARG;
case EBUSY:
return RD_KAFKA_RESP_ERR__CONFLICT;
case ENOENT:
return RD_KAFKA_RESP_ERR__UNKNOWN_TOPIC;
case ESRCH:
return RD_KAFKA_RESP_ERR__UNKNOWN_PARTITION;
case ETIMEDOUT:
return RD_KAFKA_RESP_ERR__TIMED_OUT;
case EMSGSIZE:
return RD_KAFKA_RESP_ERR_MSG_SIZE_TOO_LARGE;
case ENOBUFS:
return RD_KAFKA_RESP_ERR__QUEUE_FULL;
case ECANCELED:
return RD_KAFKA_RESP_ERR__FATAL;
default:
return RD_KAFKA_RESP_ERR__FAIL;
}
}
rd_kafka_resp_err_t
rd_kafka_fatal_error(rd_kafka_t *rk, char *errstr, size_t errstr_size) {
rd_kafka_resp_err_t err;
if (unlikely((err = rd_atomic32_get(&rk->rk_fatal.err)))) {
rd_kafka_rdlock(rk);
rd_snprintf(errstr, errstr_size, "%s", rk->rk_fatal.errstr);
rd_kafka_rdunlock(rk);
}
return err;
}
/**
* @brief Set's the fatal error for this instance.
*
* @param do_lock RD_DO_LOCK: rd_kafka_wrlock() will be acquired and released,
* RD_DONT_LOCK: caller must hold rd_kafka_wrlock().
*
* @returns 1 if the error was set, or 0 if a previous fatal error
* has already been set on this instance.
*
* @locality any
* @locks none
*/
int rd_kafka_set_fatal_error0(rd_kafka_t *rk,
rd_dolock_t do_lock,
rd_kafka_resp_err_t err,
const char *fmt,
...) {
va_list ap;
char buf[512];
if (do_lock)
rd_kafka_wrlock(rk);
rk->rk_fatal.cnt++;
if (rd_atomic32_get(&rk->rk_fatal.err)) {
if (do_lock)
rd_kafka_wrunlock(rk);
rd_kafka_dbg(rk, GENERIC, "FATAL",
"Suppressing subsequent fatal error: %s",
rd_kafka_err2name(err));
return 0;
}
rd_atomic32_set(&rk->rk_fatal.err, err);
va_start(ap, fmt);
rd_vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
rk->rk_fatal.errstr = rd_strdup(buf);
if (do_lock)
rd_kafka_wrunlock(rk);
/* If there is an error callback or event handler we
* also log the fatal error as it happens.
* If there is no error callback the error event
* will be automatically logged, and this check here
* prevents us from duplicate logs. */
if (rk->rk_conf.enabled_events & RD_KAFKA_EVENT_ERROR)
rd_kafka_log(rk, LOG_EMERG, "FATAL", "Fatal error: %s: %s",
rd_kafka_err2str(err), rk->rk_fatal.errstr);
else
rd_kafka_dbg(rk, ALL, "FATAL", "Fatal error: %s: %s",
rd_kafka_err2str(err), rk->rk_fatal.errstr);
/* Indicate to the application that a fatal error was raised,
* the app should use rd_kafka_fatal_error() to extract the
* fatal error code itself.
* For the high-level consumer we propagate the error as a
* consumer error so it is returned from consumer_poll(),
* while for all other client types (the producer) we propagate to
* the standard error handler (typically error_cb). */
if (rk->rk_type == RD_KAFKA_CONSUMER && rk->rk_cgrp)
rd_kafka_consumer_err(
rk->rk_cgrp->rkcg_q, RD_KAFKA_NODEID_UA,
RD_KAFKA_RESP_ERR__FATAL, 0, NULL, NULL,
RD_KAFKA_OFFSET_INVALID, "Fatal error: %s: %s",
rd_kafka_err2str(err), rk->rk_fatal.errstr);
else
rd_kafka_op_err(rk, RD_KAFKA_RESP_ERR__FATAL,
"Fatal error: %s: %s", rd_kafka_err2str(err),
rk->rk_fatal.errstr);
/* Tell rdkafka main thread to purge producer queues, but not
* in-flight since we'll want proper delivery status for transmitted
* requests.
* Need NON_BLOCKING to avoid dead-lock if user is
* calling purge() at the same time, which could be
* waiting for this broker thread to handle its
* OP_PURGE request. */
if (rk->rk_type == RD_KAFKA_PRODUCER) {
rd_kafka_op_t *rko = rd_kafka_op_new(RD_KAFKA_OP_PURGE);
rko->rko_u.purge.flags =
RD_KAFKA_PURGE_F_QUEUE | RD_KAFKA_PURGE_F_NON_BLOCKING;
rd_kafka_q_enq(rk->rk_ops, rko);
}
return 1;
}
/**
* @returns a copy of the current fatal error, if any, else NULL.
*
* @locks_acquired rd_kafka_rdlock(rk)
*/
rd_kafka_error_t *rd_kafka_get_fatal_error(rd_kafka_t *rk) {
rd_kafka_error_t *error;
rd_kafka_resp_err_t err;
if (!(err = rd_atomic32_get(&rk->rk_fatal.err)))
return NULL; /* No fatal error raised */
rd_kafka_rdlock(rk);
error = rd_kafka_error_new_fatal(err, "%s", rk->rk_fatal.errstr);
rd_kafka_rdunlock(rk);
return error;
}
rd_kafka_resp_err_t rd_kafka_test_fatal_error(rd_kafka_t *rk,
rd_kafka_resp_err_t err,
const char *reason) {
if (!rd_kafka_set_fatal_error(rk, err, "test_fatal_error: %s", reason))
return RD_KAFKA_RESP_ERR__PREV_IN_PROGRESS;
else
return RD_KAFKA_RESP_ERR_NO_ERROR;
}
/**
* @brief Final destructor for rd_kafka_t, must only be called with refcnt 0.
*
* @locality application thread
*/
void rd_kafka_destroy_final(rd_kafka_t *rk) {
rd_kafka_assert(rk, rd_kafka_terminating(rk));
/* Synchronize state */
rd_kafka_wrlock(rk);
rd_kafka_wrunlock(rk);
/* Terminate SASL provider */
if (rk->rk_conf.sasl.provider)
rd_kafka_sasl_term(rk);
rd_kafka_timers_destroy(&rk->rk_timers);
rd_kafka_dbg(rk, GENERIC, "TERMINATE", "Destroying op queues");
/* Destroy cgrp */
if (rk->rk_cgrp) {
rd_kafka_dbg(rk, GENERIC, "TERMINATE", "Destroying cgrp");
/* Reset queue forwarding (rep -> cgrp) */
rd_kafka_q_fwd_set(rk->rk_rep, NULL);
rd_kafka_cgrp_destroy_final(rk->rk_cgrp);
}
rd_kafka_assignors_term(rk);
if (rk->rk_type == RD_KAFKA_CONSUMER) {
rd_kafka_assignment_destroy(rk);
if (rk->rk_consumer.q)
rd_kafka_q_destroy(rk->rk_consumer.q);
}
/* Purge op-queues */
rd_kafka_q_destroy_owner(rk->rk_rep);
rd_kafka_q_destroy_owner(rk->rk_ops);
#if WITH_SSL
if (rk->rk_conf.ssl.ctx) {
rd_kafka_dbg(rk, GENERIC, "TERMINATE", "Destroying SSL CTX");
rd_kafka_ssl_ctx_term(rk);
}
#endif
/* It is not safe to log after this point. */
rd_kafka_dbg(rk, GENERIC, "TERMINATE",
"Termination done: freeing resources");
if (rk->rk_logq) {
rd_kafka_q_destroy_owner(rk->rk_logq);
rk->rk_logq = NULL;
}
if (rk->rk_type == RD_KAFKA_PRODUCER) {
cnd_destroy(&rk->rk_curr_msgs.cnd);
mtx_destroy(&rk->rk_curr_msgs.lock);
}
if (rk->rk_fatal.errstr) {
rd_free(rk->rk_fatal.errstr);
rk->rk_fatal.errstr = NULL;
}
cnd_destroy(&rk->rk_broker_state_change_cnd);
mtx_destroy(&rk->rk_broker_state_change_lock);
mtx_destroy(&rk->rk_suppress.sparse_connect_lock);
cnd_destroy(&rk->rk_init_cnd);
mtx_destroy(&rk->rk_init_lock);
if (rk->rk_full_metadata)
rd_kafka_metadata_destroy(rk->rk_full_metadata);
rd_kafkap_str_destroy(rk->rk_client_id);
rd_kafkap_str_destroy(rk->rk_group_id);
rd_kafkap_str_destroy(rk->rk_eos.transactional_id);
rd_kafka_anyconf_destroy(_RK_GLOBAL, &rk->rk_conf);
rd_list_destroy(&rk->rk_broker_by_id);
rwlock_destroy(&rk->rk_lock);
rd_free(rk);
rd_kafka_global_cnt_decr();