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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2007, Digium, Inc.
*
* Luigi Rizzo
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
* \brief Wrapper for network related headers,
* masking differences between various operating systems.
* On passing, we also provide here trivial functions or
* other simple wrappers to network-related functions.
*/
#ifndef _ASTERISK_NETWORK_H
#define _ASTERISK_NETWORK_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/*
* Include relevant network headers.
* Our preferred choice are the standard BSD/linux/unix headers.
* Missing them (e.g. for solaris or various windows environments),
* we resort to whatever we find around, and provide local definitions
* for the missing bits.
*/
#ifdef HAVE_ARPA_INET_H
#include <netinet/in.h>
#include <arpa/inet.h> /* include early to override inet_ntoa */
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
#include <netdb.h>
#include <sys/socket.h>
#include <net/if.h>
#include <sys/ioctl.h>
#elif defined(HAVE_WINSOCK_H)
#include <winsock.h>
typedef int socklen_t;
#elif defined(HAVE_WINSOCK2_H)
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#error "don't know how to handle network functions here."
#endif
#ifndef HAVE_INET_ATON
int inet_aton(const char *cp, struct in_addr *pin);
#endif
#ifndef IFNAMSIZ
#define IFNAMSIZ 16
#endif
#ifndef MAXHOSTNAMELEN
#define MAXHOSTNAMELEN 256
#endif
/*!
* \brief thread-safe replacement for inet_ntoa().
*
* \note It is very important to note that even though this is a thread-safe
* replacement for inet_ntoa(), it is *not* reentrant. In a single
* thread, the result from a previous call to this function is no longer
* valid once it is called again. If the result from multiple calls to
* this function need to be kept or used at once, then the result must be
* copied to a local buffer before calling this function again.
*/
const char *ast_inet_ntoa(struct in_addr ia);
#ifdef inet_ntoa
#undef inet_ntoa
#endif
#define inet_ntoa __dont__use__inet_ntoa__use__ast_inet_ntoa__instead__
/*! \brief Compares the source address and port of two sockaddr_in */
static force_inline int inaddrcmp(const struct sockaddr_in *sin1, const struct sockaddr_in *sin2)
{
return ((sin1->sin_addr.s_addr != sin2->sin_addr.s_addr)
|| (sin1->sin_port != sin2->sin_port));
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* _ASTERISK_NETWORK_H */
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