socketserver.h

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/* 2025 Quantum Resistant Cryptographic Solutions Corporation
 * All Rights Reserved.
 *
 * NOTICE: This software and all accompanying materials are the exclusive 
 * property of Quantum Resistant Cryptographic Solutions Corporation (QRCS).
 * The intellectual and technical concepts contained within this implementation 
 * are proprietary to QRCS and its authorized licensors and are protected under 
 * applicable U.S. and international copyright, patent, and trade secret laws.
 *
 * CRYPTOGRAPHIC STANDARDS:
 * - This software includes implementations of cryptographic algorithms such as 
 *   SHA3, AES, and others. These algorithms are public domain or standardized 
 *   by organizations such as NIST and are NOT the property of QRCS.
 * - However, all source code, optimizations, and implementations in this library 
 *   are original works of QRCS and are protected under this license.
 *
 * RESTRICTIONS:
 * - Redistribution, modification, or unauthorized distribution of this software, 
 *   in whole or in part, is strictly prohibited.
 * - This software is provided for non-commercial, educational, and research 
 *   purposes only. Commercial use in any form is expressly forbidden.
 * - Licensing and authorized distribution are solely at the discretion of QRCS.
 * - Any use of this software implies acceptance of these restrictions.
 *
 * DISCLAIMER:
 * This software is provided "as is," without warranty of any kind, express or 
 * implied, including but not limited to warranties of merchantability or fitness 
 * for a particular purpose. QRCS disclaims all liability for any direct, indirect, 
 * incidental, or consequential damages resulting from the use or misuse of this software.
 *
 * FULL LICENSE:
 * This software is subject to the **Quantum Resistant Cryptographic Solutions 
 * Proprietary License (QRCS-PL)**. The complete license terms are included 
 * in the LICENSE.txt file distributed with this software.
 *
 * Written by: John G. Underhill
 * Contact: john.underhill@protonmail.com
 */
 
#ifndef QSC_SOCKETSERVER_H
#define QSC_SOCKETSERVER_H
 
#include "common.h"
#include "socketbase.h"
 
QSC_CPLUSPLUS_ENABLED_START


#define QSC_SOCKET_SERVER_LISTEN_BACKLOG 128ULL

#define QSC_SOCKET_SERVER_MAX_THREADS 1024ULL
 
/*** Structures ***/

typedef struct
{
    qsc_socket target;  
} qsc_socket_server_accept_result;

typedef struct
{
    qsc_socket* source;                                                 
    void (*callback)(qsc_socket_server_accept_result* result);           
    void (*error)(qsc_socket* sock, qsc_socket_exceptions exception);   
} qsc_socket_server_async_accept_state;
 
/*** Function Prototypes ***/

QSC_EXPORT_API void qsc_socket_server_accept_callback(qsc_socket_server_accept_result* ares);

QSC_EXPORT_API void qsc_socket_server_error_callback(const qsc_socket* source, qsc_socket_exceptions error);
 
/*** Accessors ***/

QSC_EXPORT_API qsc_socket_address_families qsc_socket_server_address_family(const qsc_socket* sock);

QSC_EXPORT_API qsc_socket_protocols qsc_socket_server_socket_protocol(const qsc_socket* sock);

QSC_EXPORT_API qsc_socket_transports qsc_socket_server_socket_transport(const qsc_socket* sock);

QSC_EXPORT_API void qsc_socket_server_close_socket(qsc_socket* sock);

QSC_EXPORT_API void qsc_socket_server_initialize(qsc_socket* sock);

QSC_EXPORT_API qsc_socket_exceptions qsc_socket_server_listen(qsc_socket* source, qsc_socket* target, const char* address, uint16_t port, qsc_socket_address_families family);

QSC_EXPORT_API qsc_socket_exceptions qsc_socket_server_listen_ipv4(qsc_socket* source, qsc_socket* target, const qsc_ipinfo_ipv4_address* address, uint16_t port);

QSC_EXPORT_API qsc_socket_exceptions qsc_socket_server_listen_ipv6(qsc_socket* source, qsc_socket* target, const qsc_ipinfo_ipv6_address* address, uint16_t port);

QSC_EXPORT_API qsc_socket_exceptions qsc_socket_server_listen_async(qsc_socket_server_async_accept_state* state, const char* address, uint16_t port, qsc_socket_address_families family);

QSC_EXPORT_API qsc_socket_exceptions qsc_socket_server_listen_async_ipv4(qsc_socket_server_async_accept_state* state, const qsc_ipinfo_ipv4_address* address, uint16_t port);

QSC_EXPORT_API qsc_socket_exceptions qsc_socket_server_listen_async_ipv6(qsc_socket_server_async_accept_state* state, const qsc_ipinfo_ipv6_address* address, uint16_t port);

QSC_EXPORT_API void qsc_socket_server_set_options(const qsc_socket* sock, qsc_socket_protocols level, qsc_socket_options option, int32_t optval);

QSC_EXPORT_API void qsc_socket_server_shut_down(qsc_socket* sock);
 
QSC_CPLUSPLUS_ENABLED_END
 
#endif