mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-30 02:28:54 +00:00
87 lines
1.9 KiB
C++
87 lines
1.9 KiB
C++
/*
|
|
* \brief Generic network address definitions
|
|
* \author Stefan Kalkowski
|
|
* \date 2010-08-20
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2010-2013 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU General Public License version 2.
|
|
*/
|
|
|
|
#ifndef _NET__NETADDRESS_H_
|
|
#define _NET__NETADDRESS_H_
|
|
|
|
/* Genode */
|
|
#include <base/stdint.h>
|
|
#include <util/string.h>
|
|
#include <base/output.h>
|
|
|
|
namespace Net { template <unsigned, char, bool> class Network_address; }
|
|
|
|
|
|
/**
|
|
* Generic form of a network address.
|
|
*/
|
|
template <unsigned LEN, char DELIM, bool HEX>
|
|
struct Net::Network_address
|
|
{
|
|
Genode::uint8_t addr[LEN];
|
|
|
|
|
|
/******************
|
|
** Constructors **
|
|
******************/
|
|
|
|
Network_address(Genode::uint8_t value = 0) {
|
|
Genode::memset(&addr, value, LEN); }
|
|
|
|
Network_address(void *src) {
|
|
Genode::memcpy(&addr, src, LEN); }
|
|
|
|
|
|
/*********************
|
|
** Helper methods **
|
|
*********************/
|
|
|
|
void copy(void *dst) { Genode::memcpy(dst, addr, LEN); }
|
|
|
|
void print(Genode::Output &output) const
|
|
{
|
|
using namespace Genode;
|
|
for (unsigned i = 0; i < LEN; i++) {
|
|
if (!HEX) { Genode::print(output, (unsigned) addr[i]); }
|
|
else { Genode::print(output, Hex(addr[i], Hex::OMIT_PREFIX, Hex::PAD)); }
|
|
if (i < LEN - 1) output.out_char(DELIM);
|
|
}
|
|
}
|
|
|
|
|
|
/***************
|
|
** Operators **
|
|
***************/
|
|
|
|
bool operator==(const Network_address &other) const {
|
|
|
|
/*
|
|
* We compare from lowest address segment to highest
|
|
* one, because in a local context, the higher segments
|
|
* of two addresses normally don't distinguish.
|
|
* (e.g. in an IPv4 local subnet)
|
|
*/
|
|
for (int i = LEN-1; i >= 0; --i) {
|
|
if (addr[i] != other.addr[i])
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool operator!=(const Network_address &other) const {
|
|
return !(*this == other); }
|
|
}
|
|
__attribute__((packed));
|
|
|
|
#endif /* _NET__NETADDRESS_H_ */
|