1 files changed, 104 insertions, 0 deletions
diff --git a/fluent-bit/plugins/out_kinesis_firehose/firehose.h b/fluent-bit/plugins/out_kinesis_firehose/firehose.h
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+++ b/fluent-bit/plugins/out_kinesis_firehose/firehose.h
@@ -0,0 +1,104 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2022 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#ifndef FLB_OUT_FIREHOSE_H
+#define FLB_OUT_FIREHOSE_H
+
+#include <fluent-bit/flb_info.h>
+#include <fluent-bit/flb_sds.h>
+#include <fluent-bit/flb_aws_credentials.h>
+#include <fluent-bit/flb_http_client.h>
+#include <fluent-bit/flb_aws_util.h>
+#include <fluent-bit/flb_signv4.h>
+
+#define DEFAULT_TIME_KEY_FORMAT "%Y-%m-%dT%H:%M:%S"
+
+/* buffers used for each flush */
+struct flush {
+    /* temporary buffer for storing the serialized event messages */
+    char *tmp_buf;
+    size_t tmp_buf_size;
+    /* current index of tmp_buf */
+    size_t tmp_buf_offset;
+
+    /* projected final size of the payload for this flush */
+    size_t data_size;
+
+    /* log records- each of these has a pointer to their message in tmp_buf */
+    struct firehose_event *events;
+    int events_capacity;
+    /* current event */
+    int event_index;
+
+    /* the payload of the API request */
+    char *out_buf;
+    size_t out_buf_size;
+
+    /* buffer used to temporarily hold an event during processing */
+    char *event_buf;
+    size_t event_buf_size;
+
+    int records_sent;
+    int records_processed;
+};
+
+struct firehose_event {
+    char *json;
+    size_t len;
+    struct timespec timestamp;
+};
+
+struct flb_firehose {
+    /*
+     * TLS instances can not be re-used. So we have one for:
+     * - Base cred provider (needed for EKS provider)
+     * - STS Assume role provider
+     * - The CloudWatch Logs client for this plugin
+     */
+    struct flb_tls *cred_tls;
+    struct flb_tls *sts_tls;
+    struct flb_tls *client_tls;
+    struct flb_aws_provider *aws_provider;
+    struct flb_aws_provider *base_aws_provider;
+    struct flb_aws_client *firehose_client;
+
+    /* configuration options */
+    const char *delivery_stream;
+    const char *time_key;
+    const char *time_key_format;
+    const char *region;
+    const char *role_arn;
+    const char *log_key;
+    const char *external_id;
+    char *sts_endpoint;
+    char *profile;
+    int custom_endpoint;
+    int retry_requests;
+    int compression;
+
+    /* must be freed on shutdown if custom_endpoint is not set */
+    char *endpoint;
+
+    /* Plugin output instance reference */
+    struct flb_output_instance *ins;
+};
+
+void flb_firehose_ctx_destroy(struct flb_firehose *ctx);
+
+#endif