socket.h

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/* 2020-2026 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 herein are proprietary to QRCS and are
 * protected under applicable Canadian, U.S., and international copyright,
 * patent, and trade secret laws.
 *
 * CRYPTOGRAPHIC ALGORITHMS AND IMPLEMENTATIONS:
 * - This software includes implementations of cryptographic primitives and
 *   algorithms that are standardized or in the public domain, such as AES
 *   and SHA-3, which are not proprietary to QRCS.
 * - This software also includes cryptographic primitives, constructions, and
 *   algorithms designed by QRCS, including but not limited to RCS, SCB, CSX, QMAC, and
 *   related components, which are proprietary to QRCS.
 * - All source code, implementations, protocol compositions, optimizations,
 *   parameter selections, and engineering work contained in this software are
 *   original works of QRCS and are protected under this license.
 *
 * LICENSE AND USE RESTRICTIONS:
 * - This software is licensed under the Quantum Resistant Cryptographic Solutions
 *   Public Research and Evaluation License (QRCS-PREL), 2025-2026.
 * - Permission is granted solely for non-commercial evaluation, academic research,
 *   cryptographic analysis, interoperability testing, and feasibility assessment.
 * - Commercial use, production deployment, commercial redistribution, or
 *   integration into products or services is strictly prohibited without a
 *   separate written license agreement executed with QRCS.
 * - Licensing and authorized distribution are solely at the discretion of QRCS.
 *
 * EXPERIMENTAL CRYPTOGRAPHY NOTICE:
 * Portions of this software may include experimental, novel, or evolving
 * cryptographic designs. Use of this software is entirely at the user's risk.
 *
 * DISCLAIMER:
 * THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE, SECURITY, OR NON-INFRINGEMENT. QRCS DISCLAIMS ALL
 * LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
 * ARISING FROM THE USE OR MISUSE OF THIS SOFTWARE.
 *
 * FULL LICENSE:
 * This software is subject to the Quantum Resistant Cryptographic Solutions
 * Public Research and Evaluation License (QRCS-PREL), 2025-2026. The complete license terms
 * are provided in the accompanying LICENSE file or at https://www.qrcscorp.ca.
 *
 * Written by: John G. Underhill
 * Contact: contact@qrcscorp.ca
 */
 
#ifndef QSC_SOCKET_H
#define QSC_SOCKET_H
 
#include "qsccommon.h"
#include "socketflags.h"
 
QSC_CPLUSPLUS_ENABLED_START


#define QSC_SOCKET_ADDRESS_MAX_SIZE 65ULL

#define QSC_SOCKET_MAX_CONN 0x7FFFFFFFL

#define QSC_SOCKET_RET_ERROR -1LL

#define QSC_SOCKET_RET_SUCCESS 0LL

#define QSC_SOCKET_TERMINATOR_SIZE 1U

#define QSC_SOCKET_TIMEOUT_MSEC 10000U
 
#if defined(QSC_SYSTEM_OS_WINDOWS)
typedef int32_t socklen_t;
#endif

#if defined(QSC_SYSTEM_OS_WINDOWS)
typedef uintptr_t socket_t;
#else
typedef int32_t socket_t;
#endif

#if defined(QSC_SYSTEM_OS_WINDOWS)
#   define QSC_UNINITIALIZED_SOCKET ((socket_t)(uintptr_t)~0U)
#else
#   define QSC_UNINITIALIZED_SOCKET ((socket_t)-1)
#endif

QSC_EXPORT_API typedef struct
{
    socket_t connection;                          
    char address[QSC_SOCKET_ADDRESS_MAX_SIZE];        
    uint32_t instance;                              
    uint16_t port;                                  
    qsc_socket_address_families address_family;        
    qsc_socket_states connection_status;          
    qsc_socket_protocols socket_protocol;            
    qsc_socket_transports socket_transport;            
} qsc_socket;
 
QSC_CPLUSPLUS_ENABLED_END
 
#endif