151 lines
3.0 KiB
C++
151 lines
3.0 KiB
C++
#include "Core\_Core.h"
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#include "Core\ByteArray.h"
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#include "Core\SString.h"
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#include "MacAddress.h"
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#define NET_DEBUG DEBUG
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//#define NET_DEBUG 0
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#if NET_DEBUG
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#define net_printf debug_printf
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#else
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#define net_printf(format, ...)
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#endif
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/******************************** MacAddress ********************************/
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/* MAC地址 */
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#define MAC_MASK 0xFFFFFFFFFFFFull
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//const MacAddress MacAddress::Empty(0x0ull);
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//const MacAddress MacAddress::Full(MAC_MASK);
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MacAddress::MacAddress(UInt64 v)
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{
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Value = v & MAC_MASK;
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}
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MacAddress::MacAddress(const byte* macs)
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{
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Buffer(&Value, 6) = macs;
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}
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MacAddress::MacAddress(const Buffer& arr)
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{
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ByteArray bs(arr.GetBuffer(), arr.Length());
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Value = bs.ToUInt64();
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Value &= MAC_MASK;
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}
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// 是否广播地址，全0或全1
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bool MacAddress::IsBroadcast() const { return Value == 0 || Value == MAC_MASK; }
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const MacAddress& MacAddress::Empty()
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{
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static const MacAddress _Empty(0x0ull);
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return _Empty;
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}
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const MacAddress& MacAddress::Full()
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{
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static const MacAddress _Full(MAC_MASK);
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return _Full;
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}
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MacAddress& MacAddress::operator=(UInt64 v)
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{
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Value = v & MAC_MASK;
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return *this;
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}
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MacAddress& MacAddress::operator=(const byte* buf)
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{
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Buffer((byte*)buf, 6).CopyTo(0, &Value, 6);
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return *this;
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}
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MacAddress& MacAddress::operator=(const Buffer& arr)
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{
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arr.CopyTo(0, &Value, 6);
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return *this;
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}
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MacAddress& MacAddress::operator=(const MacAddress& mac)
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{
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Value = mac.Value;
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return *this;
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}
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// 重载索引运算符[]，让它可以像数组一样使用下标索引。
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byte& MacAddress::operator[](int i)
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{
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return ((byte*)&Value)[i];
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}
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// 字节数组
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ByteArray MacAddress::ToArray() const
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{
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//return ByteArray((byte*)&Value, 6);
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// 要复制数据，而不是直接使用指针，那样会导致外部修改内部数据
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return ByteArray(&Value, 6, true);
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}
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void MacAddress::CopyTo(byte* macs) const
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{
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if(macs) Buffer((byte*)&Value, 6).CopyTo(0, macs, 6);
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}
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String MacAddress::ToString() const
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{
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String str;
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byte* macs = (byte*)&Value;
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for(int i=0; i<6; i++)
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{
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if(i > 0) str += '-';
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//str += macs[i];
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str.Concat(macs[i], -16);
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}
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return str;
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}
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// 把字符串Mac地址解析为MacAddress
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MacAddress MacAddress::Parse(const String& macstr)
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{
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auto mac = MacAddress::Empty();
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if(!macstr) return mac;
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// 最大长度判断 00-00-00-00-00-00
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if(macstr.Length() > 2 + 1 + 2 + 1 + 2 + 1 + 2 + 1 + 2 + 1 + 2) return mac;
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auto str = macstr.Replace(':', '-');
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if(str.Contains("-"))
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{
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// 特殊处理 00-00-00-00-00-00 和 FF-FF-FF-FF-FF-FF
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if(macstr == "00-00-00-00-00-00") return mac;
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if(macstr == "FF-FF-FF-FF-FF-FF") return MacAddress::Full();
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auto bs = str.ToHex();
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if(bs.Length() == 6)
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{
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mac = bs;
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return mac;
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}
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}
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#if NET_DEBUG
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// 只显示失败
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net_printf("MacAddress::Parse %s => ", macstr.GetBuffer());
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mac.ToString().Show(true);
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#endif
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return mac;
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}
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