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/*  Minimal Fluent-Bit Header
 *
 *  This header exposes only the symbols needed to use the public
 *  advertised API of libfluent-bit.so
 *
 *  This is derived from fluent-bit/flb_lib.h which is
 *  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 FLUENT_BIT_MINIMAL_H
#define FLUENT_BIT_MINIMAL_H

//#include <fluent-bit/flb_macros.h>
//#include <fluent-bit/flb_config.h>
#define FLB_EXPORT extern

/* Lib engine status */
#define FLB_LIB_ERROR     -1
#define FLB_LIB_NONE       0
#define FLB_LIB_OK         1
#define FLB_LIB_NO_CONFIG_MAP 2

struct flb_lib_ctx;

/* Used on out_lib to define a callback and further opaque data */
struct flb_lib_out_cb {
    int (*cb) (void *record, size_t size, void *data);
    void *data;
};

/* For Fluent Bit library callers, we only export the following symbols */
typedef struct flb_lib_ctx         flb_ctx_t;

FLB_EXPORT void flb_init_env();
FLB_EXPORT flb_ctx_t *flb_create();
FLB_EXPORT void flb_destroy(flb_ctx_t *ctx);
FLB_EXPORT int flb_input(flb_ctx_t *ctx, const char *input, void *data);
FLB_EXPORT int flb_output(flb_ctx_t *ctx, const char *output, struct flb_lib_out_cb *cb);
FLB_EXPORT int flb_filter(flb_ctx_t *ctx, const char *filter, void *data);
FLB_EXPORT int flb_input_set(flb_ctx_t *ctx, int ffd, ...);
FLB_EXPORT int flb_input_property_check(flb_ctx_t *ctx, int ffd, char *key, char *val);
FLB_EXPORT int flb_output_property_check(flb_ctx_t *ctx, int ffd, char *key, char *val);
FLB_EXPORT int flb_filter_property_check(flb_ctx_t *ctx, int ffd, char *key, char *val);
FLB_EXPORT int flb_output_set(flb_ctx_t *ctx, int ffd, ...);
FLB_EXPORT int flb_output_set_test(flb_ctx_t *ctx, int ffd, char *test_name,
                                   void (*out_callback) (void *, int, int,
                                                         void *, size_t, void *),
                                   void *out_callback_data,
                                   void *test_ctx);
FLB_EXPORT int flb_output_set_callback(flb_ctx_t *ctx, int ffd, char *name,
                                       void (*cb)(char *, void *, void *));

FLB_EXPORT int flb_filter_set(flb_ctx_t *ctx, int ffd, ...);