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0faec6afaa
Adds default constructor to Net::Port that initializes the value to 0. This allows for using Net::Port with the Genode::Attempt utility. Ref #4729
63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
/*
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* \brief Network port
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* \author Martin Stein
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* \date 2016-08-19
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*/
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/*
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* Copyright (C) 2016-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _NET__PORT_H_
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#define _NET__PORT_H_
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/* Genode includes */
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#include <base/stdint.h>
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#include <base/output.h>
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#include <util/string.h>
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namespace Net {
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class Port;
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static inline Genode::size_t ascii_to(const char *, Net::Port &);
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}
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/**
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* This class makes it clear what the port integer-value means at an interface
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*/
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struct Net::Port
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{
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Genode::uint16_t value { 0UL };
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Port() { }
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explicit Port(Genode::uint16_t const value) : value(value) { }
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bool operator == (Port const &other) const { return value == other.value; }
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bool operator != (Port const &other) const { return value != other.value; }
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void print(Genode::Output &out) const { Genode::print(out, value); }
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}
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__attribute__((packed));
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/**
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* Read port value from string
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*
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* \return number of consumed characters
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*/
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Genode::size_t Net::ascii_to(const char *s, Net::Port &result)
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{
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using namespace Genode;
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uint16_t value = 0;
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size_t const consumed = ascii_to_unsigned(s, value, 0);
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result = Net::Port(value);
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return consumed;
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}
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#endif /* _NET__PORT_H_ */
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