Files
c-toxcore/toxcore/ping_array.h
T
iphydf a549807df7 refactor: Add mem module to allow tests to override allocators.
This will allow us to do more interesting things with memory allocation
within toxcore, and allow fuzzers to explore various allocation failure
paths.
2023-08-30 22:55:05 +00:00

67 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2016-2018 The TokTok team.
* Copyright © 2013 Tox project.
*/
/** @file
* @brief Implementation of an efficient array to store that we pinged something.
*/
#ifndef C_TOXCORE_TOXCORE_PING_ARRAY_H
#define C_TOXCORE_TOXCORE_PING_ARRAY_H
#include <stddef.h>
#include <stdint.h>
#include "crypto_core.h"
#include "mem.h"
#include "mono_time.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct Ping_Array Ping_Array;
/**
* @brief Initialize a Ping_Array.
*
* @param size represents the total size of the array and should be a power of 2.
* @param timeout represents the maximum timeout in seconds for the entry.
*
* @return pointer to allocated Ping_Array on success, nullptr on failure.
*/
non_null()
struct Ping_Array *ping_array_new(const Memory *mem, uint32_t size, uint32_t timeout);
/**
* @brief Free all the allocated memory in a @ref Ping_Array.
*/
nullable(1)
void ping_array_kill(Ping_Array *array);
/**
* @brief Add a data with length to the @ref Ping_Array list and return a ping_id.
*
* @return ping_id on success, 0 on failure.
*/
non_null()
uint64_t ping_array_add(Ping_Array *array, const Mono_Time *mono_time, const Random *rng,
const uint8_t *data, uint32_t length);
/**
* @brief Check if @p ping_id is valid and not timed out.
*
* On success, copies the data into data of length,
*
* @return length of data copied on success, -1 on failure.
*/
non_null()
int32_t ping_array_check(Ping_Array *array, const Mono_Time *mono_time, uint8_t *data, size_t length,
uint64_t ping_id);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // C_TOXCORE_TOXCORE_PING_ARRAY_H