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291 lines
8.4 KiB
291 lines
8.4 KiB
/*==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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