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Diffstat (limited to '')
-rw-r--r-- | libnetdata/gorilla/gorilla.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libnetdata/gorilla/gorilla.h b/libnetdata/gorilla/gorilla.h new file mode 100644 index 000000000..12bec42c0 --- /dev/null +++ b/libnetdata/gorilla/gorilla.h @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef GORILLA_H +#define GORILLA_H + +#include <stdbool.h> +#include <stdint.h> +#include <stddef.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Low-level public API +*/ + +// 32-bit API + +typedef struct bit_code_writer_u32 bit_code_writer_u32_t; +typedef struct bit_code_reader_u32 bit_code_reader_u32_t; + +void bit_code_writer_u32_init(bit_code_writer_u32_t *bcw, uint32_t *buffer, uint32_t capacity); +bool bit_code_writer_u32_write(bit_code_writer_u32_t *bcw, const uint32_t number); +bool bit_code_writer_u32_flush(bit_code_writer_u32_t *bcw); + +void bit_code_reader_u32_init(bit_code_reader_u32_t *bcr, uint32_t *buffer, uint32_t capacity); +bool bit_code_reader_u32_read(bit_code_reader_u32_t *bcr, uint32_t *number); +bool bit_code_reader_u32_info(bit_code_reader_u32_t *bcr, uint32_t *num_entries_written, + uint64_t *num_bits_written); + +// 64-bit API + +typedef struct bit_code_writer_u64 bit_code_writer_u64_t; +typedef struct bit_code_reader_u64 bit_code_reader_u64_t; + +void bit_code_writer_u64_init(bit_code_writer_u64_t *bcw, uint64_t *buffer, uint64_t capacity); +bool bit_code_writer_u64_write(bit_code_writer_u64_t *bcw, const uint64_t number); +bool bit_code_writer_u64_flush(bit_code_writer_u64_t *bcw); + +void bit_code_reader_u64_init(bit_code_reader_u64_t *bcr, uint64_t *buffer, uint64_t capacity); +bool bit_code_reader_u64_read(bit_code_reader_u64_t *bcr, uint64_t *number); +bool bit_code_reader_u64_info(bit_code_reader_u64_t *bcr, uint64_t *num_entries_written, + uint64_t *num_bits_written); + +/* + * High-level public API +*/ + +size_t gorilla_encode_u32(uint32_t *dst, size_t dst_len, const uint32_t *src, size_t src_len); +size_t gorilla_decode_u32(uint32_t *dst, size_t dst_len, const uint32_t *src, size_t src_len); + +size_t gorilla_encode_u64(uint64_t *dst, size_t dst_len, const uint64_t *src, size_t src_len); +size_t gorilla_decode_u64(uint64_t *dst, size_t dst_len, const uint64_t *src, size_t src_len); + +#ifdef __cplusplus +} +#endif + +#endif /* GORILLA_H */ |