genode/repos/os/include/net/port.h
Martin Stein eef18e1ecd net: introduce and apply Net::Port type
Thereby fix bug in the NIC router that previously used uint8_t values for ports in
some places.

Ref #2193
2016-12-23 16:52:10 +01:00

57 lines
1.1 KiB
C++

/*
* \brief Network port
* \author Martin Stein
* \date 2016-08-19
*/
/*
* Copyright (C) 2016 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__PORT_H_
#define _NET__PORT_H_
/* Genode includes */
#include <base/stdint.h>
#include <base/output.h>
#include <util/string.h>
namespace Net { class Port; }
/**
* This class makes it clear what the port integer-value means at an interface
*/
struct Net::Port
{
Genode::uint16_t value;
explicit Port(Genode::uint16_t const value) : value(value) { }
bool operator == (Port const &other) const { return value == other.value; }
void print(Genode::Output &out) const { Genode::print(out, value); }
}
__attribute__((packed));
namespace Genode {
/**
* Read port value from string
*
* \return number of consumed characters
*/
inline size_t ascii_to(const char *s, Net::Port &result)
{
unsigned value = 0;
size_t const consumed = ascii_to_unsigned(s, value, 0);
result = Net::Port(value);
return consumed;
}
}
#endif /* _NET__PORT_H_ */