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292 lines
8.1 KiB
292 lines
8.1 KiB
4 years ago
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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional permissions under GNU GPL version 3 section 7
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If you modify this Program, or any covered work, by linking or
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
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(or a modified version of those libraries),
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
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licensors of this Program grant you additional
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permission to convey the resulting work. Corresponding Source for a
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non-source form of such a combination shall include the source code for
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
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work.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#include "hsWindows.h"
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#include "plServerGuid.h"
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#include "../pnMessage/plMessage.h"
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#include "../PubUtilLib/plStreamLogger/plStreamLogger.h"
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#if HS_BUILD_FOR_WIN32
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#include <process.h>
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#else
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#include <sys/time.h>
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#include <unistd.h>
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#endif
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////////////////////////////////////////////////////////////////////
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#ifdef HS_BUILD_FOR_WIN32
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// Taken from plUnifiedTime, in turn taken from python source.
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// TODO: Move this down to CoreLib someday (and rename it maybe).
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#define MAGICWINDOWSOFFSET ((__int64)11644473600)
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static UInt32 SecsSinceUNIXEpoch()
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{
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FILETIME ft;
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GetSystemTimeAsFileTime(&ft); /* 100 ns blocks since 01-Jan-1641 */
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__int64 ff,ffsecs;
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ff = *(__int64*)(&ft);
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ffsecs = ff/(__int64)10000000;
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return (UInt32)(ffsecs-MAGICWINDOWSOFFSET);
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}
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#else
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static UInt32 SecsSinceUNIXEpoch()
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{
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struct timeval tv;
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gettimeofday(&tv, nil);
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return tv.tv_sec;
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}
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#endif
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////////////////////////////////////////////////////////////////////
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UInt32 plServerGuid::fGuidSeed = 0;
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plServerGuid::plServerGuid()
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{
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Clear();
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}
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plServerGuid::plServerGuid( const plServerGuid & other )
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{
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Clear();
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CopyFrom( other );
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}
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plServerGuid::plServerGuid(const char * s)
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{
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Clear();
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FromString(s);
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}
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plServerGuid::plServerGuid(const hsWide & v)
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{
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Clear();
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FromWide( v );
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}
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plServerGuid& plServerGuid::operator=( const plServerGuid & rhs )
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{
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CopyFrom(rhs);
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return *this;
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}
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bool operator==(const plServerGuid & X, const plServerGuid & Y)
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{
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return memcmp(X.N,Y.N,plServerGuid::kGuidBytes)==0;
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}
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bool operator!=(const plServerGuid & X, const plServerGuid & Y)
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{
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return memcmp(X.N,Y.N,plServerGuid::kGuidBytes)!=0;
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}
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bool operator<(const plServerGuid & X, const plServerGuid & Y)
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{
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return memcmp(X.N,Y.N,plServerGuid::kGuidBytes)<0;
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}
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hsWide plServerGuid::AsWide() const
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{
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return fWide;
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}
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void plServerGuid::FromWide( const hsWide & v )
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{
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fWide = v;
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}
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bool plServerGuid::IsSet() const
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{
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return N[0]||N[1]||N[2]||N[3]||N[4]||N[5]||N[6]||N[7];
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}
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bool plServerGuid::IsEqualTo(const plServerGuid * other) const
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{
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return (*this)==(*other);
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}
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const char * plServerGuid::AsString() const
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{
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static char str[kGuidBytes*2+1];
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sprintf(str,"%02X%02X%02X%02X%02X%02X%02X%02X",N[0],N[1],N[2],N[3],N[4],N[5],N[6],N[7]);
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return str;
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}
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std::string plServerGuid::AsStdString( void ) const
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{
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std::string str;
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str.resize(kGuidBytes*2+1);
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int n = sprintf(const_cast<char*>(str.data()),"%02X%02X%02X%02X%02X%02X%02X%02X",N[0],N[1],N[2],N[3],N[4],N[5],N[6],N[7]);
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str.resize(n);
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return str;
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}
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static unsigned char hexValues[] =
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{
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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};
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bool plServerGuid::FromString(const char * s)
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{
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if (!s || (s && strlen(s)!=kGuidBytes*2 ) )
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{
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Clear();
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return false;
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}
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N[0] = hexValues[s[0]]<<4;
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N[0] += hexValues[s[1]];
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N[1] = hexValues[s[2]]<<4;
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N[1] += hexValues[s[3]];
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N[2] = hexValues[s[4]]<<4;
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N[2] += hexValues[s[5]];
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N[3] = hexValues[s[6]]<<4;
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N[3] += hexValues[s[7]];
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N[4] = hexValues[s[8]]<<4;
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N[4] += hexValues[s[9]];
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N[5] = hexValues[s[10]]<<4;
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N[5] += hexValues[s[11]];
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N[6] = hexValues[s[12]]<<4;
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N[6] += hexValues[s[13]];
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N[7] = hexValues[s[14]]<<4;
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N[7] += hexValues[s[15]];
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return true;
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}
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void plServerGuid::Read(hsStream * s, hsResMgr*)
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{
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s->LogSubStreamStart("push me");
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s->LogSubStreamPushDesc("plServerGuid");
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plMsgCArrayHelper::Peek(N,kGuidBytes,s);
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s->LogSubStreamEnd();
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}
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void plServerGuid::Write(hsStream * s, hsResMgr*)
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{
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plMsgCArrayHelper::Poke(N,kGuidBytes,s);
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}
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void plServerGuid::CopyFrom(const plServerGuid & other)
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{
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memcpy(N,other.N,kGuidBytes);
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}
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void plServerGuid::CopyFrom(const plServerGuid * other)
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{
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if(other)
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memcpy(N,other->N,kGuidBytes);
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else
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Clear();
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}
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void plServerGuid::Clear()
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{
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memset(N,0,kGuidBytes);
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}
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void plServerGuid::SetGuidSeed(UInt32 seed)
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{
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fGuidSeed = seed;
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}
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plServerGuid plServerGuid::GenerateGuid()
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{
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// | N[0] | N[1] | N[2] | N[3] | N[4] | N[5] | N[6] | N[7] |
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// 43210987654321098765432109876543210987654321098765432109876543210
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// 01234567890123456789012345678901234567890123456789012345678901234
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// 64 48 32 16 0
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// | fGuidSeed | Current Time | Counter |
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//
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// fGuidSeed: 24 bits (settable. default is getpid())
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// Current Time: 24 bits (seconds. ~8.5 year cycle)
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// Counter: 16 bits (always increasing per process)
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static UInt16 StaticCounter = 0;
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if (!fGuidSeed)
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{
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hsStatusMessage( "fGuidSeed not set yet. Cannot generate a reliable guid! Setting fGuidSeed=getpid()." );
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// hsAssert(fGuidSeed,"fGuidSeed not set yet. Cannot generate a reliable guid.\nIgnoring this assert will set fGuidSeed=getpid().");
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fGuidSeed = getpid();
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}
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UInt32 currTime = SecsSinceUNIXEpoch();
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plServerGuid guid;
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guid.N[0] = (UInt8)((fGuidSeed & 0x00FF0000)>>16);
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guid.N[1] = (UInt8)((fGuidSeed & 0x0000FF00)>> 8);
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guid.N[2] = (UInt8)(fGuidSeed & 0x000000FF);
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guid.N[3] = (UInt8)((currTime & 0x00FF0000)>>16);
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guid.N[4] = (UInt8)((currTime & 0x0000FF00)>> 8);
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guid.N[5] = (UInt8)(currTime & 0x000000FF);
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guid.N[6] = (StaticCounter & 0xFF00)>> 8;
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guid.N[7] = (StaticCounter & 0x00FF);
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StaticCounter++;
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return guid;
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}
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////////////////////////////////////////////////////////////////////
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// End.
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