Adding upstream version 1.44.3.upstream/1.44.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 132 insertions, 0 deletions

diff --git a/fluent-bit/lib/librdkafka-2.1.0/src/rdkafka_coord.h b/fluent-bit/lib/librdkafka-2.1.0/src/rdkafka_coord.h
new file mode 100644
index 00000000..4e00a552
--- /dev/null
+++ b/fluent-bit/lib/librdkafka-2.1.0/src/rdkafka_coord.h
@@ -0,0 +1,132 @@
+/*
+ * librdkafka - Apache Kafka C library
+ *
+ * Copyright (c) 2019 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_COORD_H_
+#define _RDKAFKA_COORD_H_
+
+
+typedef TAILQ_HEAD(rd_kafka_coord_cache_head_s,
+                   rd_kafka_coord_cache_entry_s) rd_kafka_coord_cache_head_t;
+
+/**
+ * @brief Coordinator cache entry
+ */
+typedef struct rd_kafka_coord_cache_entry_s {
+        TAILQ_ENTRY(rd_kafka_coord_cache_entry_s) cce_link;
+        rd_kafka_coordtype_t cce_coordtype; /**< Coordinator type */
+        char *cce_coordkey;                 /**< Coordinator type key,
+                                             *   e.g the group id */
+        rd_ts_t cce_ts_used;                /**< Last used timestamp */
+        rd_kafka_broker_t *cce_rkb;         /**< The cached coordinator */
+
+} rd_kafka_coord_cache_entry_t;
+
+/**
+ * @brief Coordinator cache
+ */
+typedef struct rd_kafka_coord_cache_s {
+        rd_kafka_coord_cache_head_t cc_entries; /**< Cache entries */
+        int cc_cnt;                             /**< Number of entries */
+        rd_ts_t cc_expire_thres;                /**< Entries not used in
+                                                 *   this long will be
+                                                 *   expired */
+} rd_kafka_coord_cache_t;
+
+
+void rd_kafka_coord_cache_expire(rd_kafka_coord_cache_t *cc);
+void rd_kafka_coord_cache_evict(rd_kafka_coord_cache_t *cc,
+                                rd_kafka_broker_t *rkb);
+void rd_kafka_coord_cache_destroy(rd_kafka_coord_cache_t *cc);
+void rd_kafka_coord_cache_init(rd_kafka_coord_cache_t *cc, int expire_thres_ms);
+
+
+
+/**
+ * @name Coordinator requests
+ */
+
+/**
+ * @brief Request to be sent to coordinator.
+ *        Includes looking up, caching, and connecting to, the coordinator.
+ */
+typedef struct rd_kafka_coord_req_s {
+        TAILQ_ENTRY(rd_kafka_coord_req_s) creq_link; /**< rk_coord_reqs */
+        rd_kafka_coordtype_t creq_coordtype;         /**< Coordinator type */
+        char *creq_coordkey;                         /**< Coordinator key */
+
+        rd_kafka_op_t *creq_rko;        /**< Requester's rko that is
+                                         *   provided to creq_send_req_cb
+                                         *   (optional). */
+        rd_kafka_timer_t creq_tmr;      /**< Delay timer. */
+        rd_ts_t creq_ts_timeout;        /**< Absolute timeout.
+                                         *   Will fail with an error
+                                         *   code pertaining to the
+                                         *   current state */
+        rd_interval_t creq_query_intvl; /**< Coord query interval (1s) */
+
+        rd_kafka_send_req_cb_t *creq_send_req_cb; /**< Sender callback */
+
+        rd_kafka_replyq_t creq_replyq;    /**< Reply queue */
+        rd_kafka_resp_cb_t *creq_resp_cb; /**< Reply queue response
+                                           *   parsing callback for the
+                                           *   request sent by
+                                           *   send_req_cb */
+        void *creq_reply_opaque;          /**< Opaque passed to
+                                           *   creq_send_req_cb and
+                                           *   creq_resp_cb. */
+
+        int creq_refcnt;     /**< Internal reply queue for
+                              *   FindCoordinator requests
+                              *   which is forwarded to the
+                              *   rk_ops queue, but allows
+                              *   destroying the creq even
+                              *   with outstanding
+                              *   FindCoordinator requests. */
+        rd_bool_t creq_done; /**< True if request was sent */
+
+        rd_kafka_broker_t *creq_rkb; /**< creq is waiting for this broker to
+                                      *   come up. */
+} rd_kafka_coord_req_t;
+
+
+void rd_kafka_coord_req(rd_kafka_t *rk,
+                        rd_kafka_coordtype_t coordtype,
+                        const char *coordkey,
+                        rd_kafka_send_req_cb_t *send_req_cb,
+                        rd_kafka_op_t *rko,
+                        int delay_ms,
+                        int timeout_ms,
+                        rd_kafka_replyq_t replyq,
+                        rd_kafka_resp_cb_t *resp_cb,
+                        void *reply_opaque);
+
+void rd_kafka_coord_rkb_monitor_cb(rd_kafka_broker_t *rkb);
+
+void rd_kafka_coord_reqs_term(rd_kafka_t *rk);
+void rd_kafka_coord_reqs_init(rd_kafka_t *rk);
+#endif /* _RDKAFKA_COORD_H_ */