async_io_api.h

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/*
    MIT License
 
    Copyright (c) 2025 Robin A. Onsay
 
    Permission is hereby granted, free of charge, to any person obtaining
    a copy of this software and associated documentation files
    (the "Software"), to deal in the Software without restriction,
    including without limitation the rights to use, copy, modify, merge,
    publish, distribute, sublicense, and/or sell copies of the Software,
    and to permit persons to whom the Software is furnished to do so,
    subject to the following conditions:
 
    The above copyright notice and this permission notice shall be
    included in all copies or substantial portions of the Software.
*/
 
#ifndef JUNO_ASYNC_IO_API_H
#define JUNO_ASYNC_IO_API_H
#include "juno/status.h"
#include "juno/module.h"
#include "juno/time/time_api.h"
#include <stdbool.h>
#ifdef __cplusplus
extern "C"
{
#endif
 
typedef struct JUNO_ASYNC_IO_API_TAG JUNO_ASYNC_IO_API_T;
 
typedef struct JUNO_ASYNC_IO_ROOT_TAG JUNO_ASYNC_IO_ROOT_T;
 
struct JUNO_ASYNC_IO_ROOT_TAG JUNO_MODULE_ROOT(JUNO_ASYNC_IO_API_T, JUNO_MODULE_EMPTY);
 
struct JUNO_ASYNC_IO_API_TAG
{
    JUNO_STATUS_T (*Read)(JUNO_ASYNC_IO_ROOT_T *ptIo, char *pcBuff, size_t *pzBuffSize);
    JUNO_STATUS_T (*TryRead)(JUNO_ASYNC_IO_ROOT_T *ptIo, char *pcBuff, size_t *pzBuffSize, JUNO_TIME_MICROS_T iTimeoutUs);
    JUNO_STATUS_T (*ReadUntil)(JUNO_ASYNC_IO_ROOT_T *ptIo, char *pcBuff, size_t *pzBuffSize, const char *pcStopChars, size_t zSizeStopChars);
    JUNO_STATUS_T (*TryReadUntil)(JUNO_ASYNC_IO_ROOT_T *ptIo, char *pcBuff, size_t *pzBuffSize, const char *pcStopChars, size_t zSizeStopChars, JUNO_TIME_MICROS_T iTimeoutUs);
    JUNO_STATUS_T (*Write)(JUNO_ASYNC_IO_ROOT_T *ptIo, const void *pvBuff, size_t *pzBuffSize);
    JUNO_STATUS_T (*TryWrite)(JUNO_ASYNC_IO_ROOT_T *ptIo, const void *pvBuff, size_t *pzBuffSize, JUNO_TIME_MICROS_T iTimeoutUs);
    JUNO_STATUS_T (*Poll)(JUNO_ASYNC_IO_ROOT_T *ptIo, JUNO_TIME_MICROS_T iTimeoutUs, bool *pbHasData);
};
 
#ifdef __cplusplus
}
#endif
#endif // JUNO_ASYNC_IO_API_H