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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2015 - 2018 Intel Corporation
* All rights reserved.
*/
#ifndef UTIL_IO_H
#define UTIL_IO_H
#ifdef _WIN32
#include <basetsd.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#ifdef _MSC_VER
typedef SSIZE_T ssize_t;
#endif
#define _HOST_NAME_MAX MAX_COMPUTERNAME_LENGTH
#else
#include <arpa/inet.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/un.h>
#define _HOST_NAME_MAX _POSIX_HOST_NAME_MAX
#define SOCKET int
#define INVALID_SOCKET - 1
#define SOCKET_ERROR - 1
#endif
#include "tss2_tpm2_types.h"
#ifdef _WIN32
#define TEMP_RETRY(dest, exp) \
{ int __ret; \
do { \
__ret = exp; \
} while (__ret == SOCKET_ERROR && WSAGetLastError() == WSAEINTR); \
dest = __ret; }
#else
#define TEMP_RETRY(dest, exp) \
{ int __ret; \
do { \
__ret = exp; \
} while (__ret == SOCKET_ERROR && errno == EINTR); \
dest =__ret; }
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*
* Read 'size' bytes from file descriptor 'fd' into buffer 'buf'. Additionally
* this function will retry calls to the 'read' function when temporary errors
* are detected. This is currently limited to interrupted system calls and
* short reads.
*/
ssize_t
read_all (
SOCKET fd,
uint8_t *data,
size_t size);
/*
* Write 'size' bytes from 'buf' to file descriptor 'fd'. Additionally this
* function will retry calls to the 'write' function when recoverable errors
* are detected. This is currently limited to interrupted system calls and
* short writes.
*/
ssize_t
write_all (
SOCKET fd,
const uint8_t *buf,
size_t size);
TSS2_RC
socket_connect (
const char *hostname,
uint16_t port,
SOCKET *socket);
TSS2_RC
socket_close (
SOCKET *socket);
ssize_t
socket_recv_buf (
SOCKET sock,
uint8_t *data,
size_t size);
TSS2_RC
socket_xmit_buf (
SOCKET sock,
const void *buf,
size_t size);
#ifdef __cplusplus
}
#endif
#endif /* UTIL_IO_H */
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