/*
 * Copyright (c) 2016, NORDUnet A/S.
 * See LICENSE for licensing information.
 */

#ifndef FILEBUFFER_H
#define FILEBUFFER_H

typedef struct buffered_file buffered_file;

buffered_file *
bf_open(const char *path, int flags, const char *name, int lock);
void
bf_close(buffered_file *file);
void
bf_truncate(buffered_file *file);


void
bf_add(buffered_file *file, const void *data, uint64_t length);
int
bf_flush(buffered_file *file);
uint64_t
bf_total_length(buffered_file *file);
uint64_t
bf_lastcommit(buffered_file *file);
const char *
bf_name(buffered_file *file);

void
bf_add_be64(buffered_file *file, uint64_t value);
void
bf_add_be32(buffered_file *file, uint32_t value);
void
bf_add_be16(buffered_file *file, uint16_t value);
int
bf_flush_nosync(buffered_file *file);

unsigned char *
bf_read(buffered_file *file, uint64_t offset, size_t length, char **error);

void
bf_sha256(buffered_file *file, unsigned char *checksum);

#endif