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/* -*- 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.
*/
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_input.h>
#include <fluent-bit/flb_input_chunk.h>
#include <fluent-bit/flb_input_log.h>
#include <fluent-bit/flb_input_plugin.h>
#include <fluent-bit/flb_processor.h>
static int input_log_append(struct flb_input_instance *ins,
size_t processor_starting_stage,
size_t records,
const char *tag, size_t tag_len,
const void *buf, size_t buf_size)
{
int ret;
int processor_is_active;
void *out_buf = (void *) buf;
size_t out_size = buf_size;
processor_is_active = flb_processor_is_active(ins->processor);
if (processor_is_active) {
if (!tag) {
if (ins->tag && ins->tag_len > 0) {
tag = ins->tag;
tag_len = ins->tag_len;
}
else {
tag = ins->name;
tag_len = strlen(ins->name);
}
}
ret = flb_processor_run(ins->processor,
processor_starting_stage,
FLB_PROCESSOR_LOGS,
tag, tag_len,
(char *) buf, buf_size,
&out_buf, &out_size);
if (ret == -1) {
return -1;
}
if (out_size == 0) {
return 0;
}
if (buf != out_buf) {
/* a new buffer was created, re-count the number of records */
records = flb_mp_count(out_buf, out_size);
}
}
ret = flb_input_chunk_append_raw(ins, FLB_INPUT_LOGS, records,
tag, tag_len, out_buf, out_size);
if (processor_is_active && buf != out_buf) {
flb_free(out_buf);
}
return ret;
}
/* Take a msgpack serialized record and enqueue it as a chunk */
int flb_input_log_append(struct flb_input_instance *ins,
const char *tag, size_t tag_len,
const void *buf, size_t buf_size)
{
int ret;
size_t records;
records = flb_mp_count(buf, buf_size);
ret = input_log_append(ins, 0, records, tag, tag_len, buf, buf_size);
return ret;
}
/* Take a msgpack serialized record and enqueue it as a chunk */
int flb_input_log_append_skip_processor_stages(struct flb_input_instance *ins,
size_t processor_starting_stage,
const char *tag,
size_t tag_len,
const void *buf,
size_t buf_size)
{
return input_log_append(ins,
processor_starting_stage,
flb_mp_count(buf, buf_size),
tag,
tag_len,
buf,
buf_size);
}
/* Take a msgpack serialized record and enqueue it as a chunk */
int flb_input_log_append_records(struct flb_input_instance *ins,
size_t records,
const char *tag, size_t tag_len,
const void *buf, size_t buf_size)
{
int ret;
ret = input_log_append(ins, 0, records, tag, tag_len, buf, buf_size);
return ret;
}
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