posix_socket_comms.h

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
 *
 * NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
 * property and proprietary rights in and to this material, related
 * documentation and any modifications thereto. Any use, reproduction,
 * disclosure or distribution of this material and related documentation
 * without an express license agreement from NVIDIA CORPORATION or
 * its affiliates is strictly prohibited.
*/
#ifndef POSIX_SOCKET_COMMS_H
#define POSIX_SOCKET_COMMS_H
 
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define SOCKET_PERMISSIONS 0660
 
#define MAX_PENDING_CONNECTIONS 10
 
#define SOCKET_BUFFER_SIZE 4096
 
typedef enum NvPSFSocketType_t {
    SOCK_STREAM_TYPE = SOCK_STREAM, 
    SOCK_DGRAM_TYPE = SOCK_DGRAM 
} NvPSFSocketType;
 
typedef enum NvPSFSocketEndpointType_t {
    SOCKET_SERVER = 0, 
    SOCKET_CLIENT, 
    SOCKET_BIDIRECTIONAL 
} NvPSFSocketEndpoint;
 
typedef enum NvPSFSocketBlockingMode_t {
    SOCK_BLOCKING = 0, 
    SOCK_NON_BLOCKING 
} NvPSFSocketBlockingMode;
 
typedef enum NvPSFSocketErr_t {
    NvPSFSOCK_SUCCESS = 0, 
    NvPSFSOCK_FAIL = 1  
} NvPSFSocketErr;
 
typedef union NvPSFSocketRetCode_t {
    int sockfd; 
    int errCode; 
    ssize_t bytesTransferred; 
} NvPSFSocketRetCode;
 
typedef struct NvPSFSocketStatus_t {
    NvPSFSocketErr err; 
    NvPSFSocketRetCode retCode; 
} NvPSFSocketStatus;
 
NvPSFSocketStatus NvPSFSocketCreate(int domain, NvPSFSocketType type,
                    NvPSFSocketEndpoint role, NvPSFSocketBlockingMode blocking);
 
NvPSFSocketStatus NvPSFSocketBind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
 
NvPSFSocketStatus NvPSFSocketListen(int sockfd);
 
NvPSFSocketStatus NvPSFSocketAccept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
 
NvPSFSocketStatus NvPSFSocketConnect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
 
NvPSFSocketStatus NvPSFSocketSend(int sockfd, const void *buf, size_t len, int flags);
 
NvPSFSocketStatus NvPSFSocketReceive(int sockfd, void *buf, size_t len, int flags);
 
NvPSFSocketStatus NvPSFSocketClose(int sockfd);
 
#ifdef __cplusplus
}
#endif
 
#endif // POSIX_SOCKET_COMMS_H