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/**
* @file llhost.h
* @brief a LLHost uniquely defines a host (Simulator, Proxy or other)
* across the network
*
* $LicenseInfo:firstyear=2000&license=viewergpl$
*
* Copyright (c) 2000-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLHOST_H
#define LL_LLHOST_H
#include <iostream>
#include <string>
#include "net.h"
#include "llstring.h"
const U32 INVALID_PORT = 0;
const U32 INVALID_HOST_IP_ADDRESS = 0x0;
class LLHost {
protected:
U32 mPort;
U32 mIP;
public:
static LLHost invalid;
// CREATORS
LLHost()
: mPort(INVALID_PORT),
mIP(INVALID_HOST_IP_ADDRESS)
{ } // STL's hash_map expect this T()
LLHost( U32 ipv4_addr, U32 port )
: mPort( port )
{
mIP = ipv4_addr;
}
LLHost( const char *ipv4_addr, U32 port )
: mPort( port )
{
mIP = ip_string_to_u32(ipv4_addr);
}
explicit LLHost(const U64 ip_port)
{
U32 ip = (U32)(ip_port >> 32);
U32 port = (U32)(ip_port & (U64)0xFFFFFFFF);
mIP = ip;
mPort = port;
}
explicit LLHost(const std::string& ip_and_port);
~LLHost()
{ }
// MANIPULATORS
void set( U32 ip, U32 port ) { mIP = ip; mPort = port; }
void set( const char* ipstr, U32 port ) { mIP = ip_string_to_u32(ipstr); mPort = port; }
void setAddress( const char* ipstr ) { mIP = ip_string_to_u32(ipstr); }
void setAddress( U32 ip ) { mIP = ip; }
void setPort( U32 port ) { mPort = port; }
BOOL setHostByName(const char *hname);
LLHost& operator=(const LLHost &rhs);
void invalidate() { mIP = INVALID_HOST_IP_ADDRESS; mPort = INVALID_PORT;};
// READERS
U32 getAddress() const { return mIP; }
U32 getPort() const { return mPort; }
BOOL isOk() const { return (mIP != INVALID_HOST_IP_ADDRESS) && (mPort != INVALID_PORT); }
size_t hash() const { return (mIP << 16) | (mPort & 0xffff); }
void getString(char* buffer, S32 length) const; // writes IP:port into buffer
void getIPString(char* buffer, S32 length) const; // writes IP into buffer
std::string getIPString() const;
void getHostName(char *buf, S32 len) const;
LLString getHostName() const;
std::string getIPandPort() const;
friend std::ostream& operator<< (std::ostream& os, const LLHost &hh);
// This operator is not well defined. does it expect a
// "192.168.1.1:80" notation or "int int" format? Phoenix 2007-05-18
//friend std::istream& operator>> (std::istream& is, LLHost &hh);
friend bool operator==( const LLHost &lhs, const LLHost &rhs );
friend bool operator!=( const LLHost &lhs, const LLHost &rhs );
friend bool operator<(const LLHost &lhs, const LLHost &rhs);
};
// Function Object required for STL templates using LLHost as key
class LLHostHash
{
public:
size_t operator() (const LLHost &hh) const { return hh.hash(); }
};
inline bool operator==( const LLHost &lhs, const LLHost &rhs )
{
return (lhs.mIP == rhs.mIP) && (lhs.mPort == rhs.mPort);
}
inline bool operator!=( const LLHost &lhs, const LLHost &rhs )
{
return (lhs.mIP != rhs.mIP) || (lhs.mPort != rhs.mPort);
}
inline bool operator<(const LLHost &lhs, const LLHost &rhs)
{
if (lhs.mIP < rhs.mIP)
{
return true;
}
if (lhs.mIP > rhs.mIP)
{
return false;
}
if (lhs.mPort < rhs.mPort)
{
return true;
}
else
{
return false;
}
}
#endif // LL_LLHOST_H
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