Zabbix

/*

** Zabbix

** Copyright (C) 2001-2022 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

#ifndef ZABBIX_COMMS_H

#define ZABBIX_COMMS_H

​

#include "zbxalgo.h"

​

#ifdef _WINDOWS

#   define ZBX_TCP_WRITE(s, b, bl)      ((ssize_t)send((s), (b), (int)(bl), 0))

#   define ZBX_TCP_READ(s, b, bl)       ((ssize_t)recv((s), (b), (int)(bl), 0))

#   define zbx_socket_close(s)      if (ZBX_SOCKET_ERROR != (s)) closesocket(s)

#   define zbx_socket_last_error()      WSAGetLastError()

#   define zbx_bind(s, a, l)        (bind((s), (a), (int)(l)))

#   define zbx_sendto(fd, b, n, f, a, l)    (sendto((fd), (b), (int)(n), (f), (a), (l)))

​

#   define ZBX_PROTO_AGAIN          WSAEINTR

#   define ZBX_PROTO_ERROR          SOCKET_ERROR

#   define ZBX_SOCKET_ERROR         INVALID_SOCKET

#   define ZBX_SOCKET_TO_INT(s)     ((int)(s))

#else

#   define ZBX_TCP_WRITE(s, b, bl)      ((ssize_t)write((s), (b), (bl)))

#   define ZBX_TCP_READ(s, b, bl)       ((ssize_t)read((s), (b), (bl)))

#   define zbx_socket_close(s)      if (ZBX_SOCKET_ERROR != (s)) close(s)

#   define zbx_socket_last_error()      errno

#   define zbx_bind(s, a, l)        (bind((s), (a), (l)))

#   define zbx_sendto(fd, b, n, f, a, l)    (sendto((fd), (b), (n), (f), (a), (l)))

​

#   define ZBX_PROTO_AGAIN      EINTR

#   define ZBX_PROTO_ERROR      -1

#   define ZBX_SOCKET_ERROR     -1

#   define ZBX_SOCKET_TO_INT(s) (s)

#endif

​

#ifdef _WINDOWS

typedef SOCKET  ZBX_SOCKET;

#else

typedef int ZBX_SOCKET;

#endif

​

#if defined(HAVE_IPV6)

#   define ZBX_SOCKADDR struct sockaddr_storage

#else

#   define ZBX_SOCKADDR struct sockaddr_in

#endif

​

typedef enum