152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/**
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* @file llhost.h
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* @brief a LLHost uniquely defines a host (Simulator, Proxy or other)
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* across the network
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*
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* $LicenseInfo:firstyear=2000&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLHOST_H
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#define LL_LLHOST_H
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#include <iostream>
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#include <string>
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#include "net.h"
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const U32 INVALID_PORT = 0;
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const U32 INVALID_HOST_IP_ADDRESS = 0x0;
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class LLHost {
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protected:
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U32 mPort;
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U32 mIP;
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public:
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static LLHost invalid;
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// CREATORS
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LLHost()
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: mPort(INVALID_PORT),
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mIP(INVALID_HOST_IP_ADDRESS)
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{ } // STL's hash_map expect this T()
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LLHost( U32 ipv4_addr, U32 port )
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: mPort( port )
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{
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mIP = ipv4_addr;
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}
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LLHost( const std::string& ipv4_addr, U32 port )
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: mPort( port )
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{
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mIP = ip_string_to_u32(ipv4_addr.c_str());
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}
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explicit LLHost(const U64 ip_port)
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{
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U32 ip = (U32)(ip_port >> 32);
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U32 port = (U32)(ip_port & (U64)0xFFFFFFFF);
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mIP = ip;
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mPort = port;
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}
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explicit LLHost(const std::string& ip_and_port);
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~LLHost()
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{ }
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// MANIPULATORS
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void set( U32 ip, U32 port ) { mIP = ip; mPort = port; }
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void set( const std::string& ipstr, U32 port ) { mIP = ip_string_to_u32(ipstr.c_str()); mPort = port; }
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void setAddress( const std::string& ipstr ) { mIP = ip_string_to_u32(ipstr.c_str()); }
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void setAddress( U32 ip ) { mIP = ip; }
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void setPort( U32 port ) { mPort = port; }
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BOOL setHostByName(const std::string& hname);
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LLHost& operator=(const LLHost &rhs);
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void invalidate() { mIP = INVALID_HOST_IP_ADDRESS; mPort = INVALID_PORT;};
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// READERS
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U32 getAddress() const { return mIP; }
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U32 getPort() const { return mPort; }
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BOOL isOk() const { return (mIP != INVALID_HOST_IP_ADDRESS) && (mPort != INVALID_PORT); }
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size_t hash() const { return (mIP << 16) | (mPort & 0xffff); }
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std::string getString() const;
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std::string getIPString() const;
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std::string getHostName() const;
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std::string getIPandPort() const;
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friend std::ostream& operator<< (std::ostream& os, const LLHost &hh);
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// This operator is not well defined. does it expect a
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// "192.168.1.1:80" notation or "int int" format? Phoenix 2007-05-18
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//friend std::istream& operator>> (std::istream& is, LLHost &hh);
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friend bool operator==( const LLHost &lhs, const LLHost &rhs );
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friend bool operator!=( const LLHost &lhs, const LLHost &rhs );
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friend bool operator<(const LLHost &lhs, const LLHost &rhs);
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};
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// Function Object required for STL templates using LLHost as key
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class LLHostHash
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{
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public:
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size_t operator() (const LLHost &hh) const { return hh.hash(); }
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};
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inline bool operator==( const LLHost &lhs, const LLHost &rhs )
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{
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return (lhs.mIP == rhs.mIP) && (lhs.mPort == rhs.mPort);
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}
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inline bool operator!=( const LLHost &lhs, const LLHost &rhs )
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{
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return (lhs.mIP != rhs.mIP) || (lhs.mPort != rhs.mPort);
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}
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inline bool operator<(const LLHost &lhs, const LLHost &rhs)
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{
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if (lhs.mIP < rhs.mIP)
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{
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return true;
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}
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if (lhs.mIP > rhs.mIP)
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{
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return false;
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}
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if (lhs.mPort < rhs.mPort)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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#endif // LL_LLHOST_H
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