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/* calc_sums.h */
#ifndef CALC_SUMS_H
#define CALC_SUMS_H
#include "common_func.h"
#include "file.h"
#include "hash_check.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Information about a file to calculate/verify message digests for.
*/
struct file_info {
uint64_t size; /* the size of the hashed file */
uint64_t msg_offset; /* rctx->msg_size before hashing this file */
uint64_t time; /* file processing time in milliseconds */
file_t* file; /* the file being processed */
struct rhash_context* rctx; /* state of hash algorithms */
struct hash_parser* hp; /* parsed line of a hash file */
unsigned sums_flags; /* mask of ids of calculated hash functions */
int processing_result; /* -1/-2 for i/o error, 0 on success, 1 on a hash mismatch */
};
int calc_sums(struct file_info* info);
int calculate_and_print_sums(FILE* out, file_t* out_file, file_t* file);
int find_embedded_crc32(file_t* file, unsigned* crc32);
int rename_file_by_embeding_crc32(struct file_info* info);
int save_torrent_to(file_t* torrent_file, struct rhash_context* rctx);
/* Benchmarking */
/** Benchmarking flag: measure the CPU "clocks per byte" speed */
#define BENCHMARK_CPB 1
/** Benchmarking flag: print benchmark result in tab-delimited format */
#define BENCHMARK_RAW 2
/**
* Benchmark a hash algorithm.
*
* @param hash_id hash algorithm identifier
* @param flags benchmark flags, can contain BENCHMARK_CPB, BENCHMARK_RAW
*/
void run_benchmark(unsigned hash_id, unsigned flags);
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* CALC_SUMS_H */
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