mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-23 09:28:45 +00:00
403 lines
8.6 KiB
C++
403 lines
8.6 KiB
C++
|
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
||
|
// Copyright (C) 2010 Winch Gate Property Limited
|
||
|
//
|
||
|
// This program is free software: you can redistribute it and/or modify
|
||
|
// it under the terms of the GNU Affero General Public License as
|
||
|
// published by the Free Software Foundation, either version 3 of the
|
||
|
// License, or (at your option) any later version.
|
||
|
//
|
||
|
// This program is distributed in the hope that it will be useful,
|
||
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
// GNU Affero General Public License for more details.
|
||
|
//
|
||
|
// You should have received a copy of the GNU Affero General Public License
|
||
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
||
|
#include "stdnet.h"
|
||
|
|
||
|
#include "nel/net/message_recorder.h"
|
||
|
#include "nel/net/inet_address.h"
|
||
|
|
||
|
using namespace NLMISC;
|
||
|
using namespace std;
|
||
|
|
||
|
|
||
|
namespace NLNET {
|
||
|
|
||
|
|
||
|
/// TNetworkEvent -> string
|
||
|
string EventToString( TNetworkEvent e )
|
||
|
{
|
||
|
switch ( e )
|
||
|
{
|
||
|
case Sending: return "SEND";
|
||
|
case Receiving: return "RECV";
|
||
|
case Connecting: return "CONN";
|
||
|
case ConnFailing: return "CNFL";
|
||
|
case Accepting: return "ACCP";
|
||
|
case Disconnecting: return "DISC";
|
||
|
default: nlstop; return "-ERR-";
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/// string -> TNetworkEvent
|
||
|
TNetworkEvent StringToEvent( string& s )
|
||
|
{
|
||
|
if ( s == "RECV" )
|
||
|
return Receiving;
|
||
|
else if ( s == "SEND" )
|
||
|
return Sending;
|
||
|
else if ( s == "DISC" )
|
||
|
return Disconnecting;
|
||
|
else if ( s == "ACCP" )
|
||
|
return Accepting;
|
||
|
else if ( s == "CONN" )
|
||
|
return Connecting;
|
||
|
else if ( s == "CNFL" )
|
||
|
return ConnFailing;
|
||
|
else
|
||
|
{
|
||
|
nlstop;
|
||
|
return Error;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Constructor
|
||
|
*/
|
||
|
CMessageRecorder::CMessageRecorder() : _RecordAll(true)
|
||
|
{
|
||
|
#ifndef MESSAGES_PLAIN_TEXT
|
||
|
nlerror( "The message recorder works only with plain text messages. Please #define MESSAGES_PLAIN_TEXT" );
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Destructor
|
||
|
*/
|
||
|
CMessageRecorder::~CMessageRecorder()
|
||
|
{
|
||
|
if ( !_Filename.empty() )
|
||
|
{
|
||
|
nldebug( "MR:%s: End of recording", _Filename.c_str() );
|
||
|
}
|
||
|
stopRecord();
|
||
|
stopReplay();
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Start recording
|
||
|
*/
|
||
|
bool CMessageRecorder::startRecord( const std::string& filename, bool recordall )
|
||
|
{
|
||
|
_Filename = filename;
|
||
|
_File.open( _Filename.c_str(), ios_base::out );
|
||
|
_File << endl;
|
||
|
_RecordAll = recordall;
|
||
|
if ( _File.fail() )
|
||
|
{
|
||
|
nlwarning( "MR: Record: Cannot open file %s", _Filename.c_str() );
|
||
|
return false;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
nldebug( "MR: Start recording into %s", _Filename.c_str() );
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Same as stringFromVector() but assumes the vector contains only printable characters
|
||
|
*/
|
||
|
/*string stringFromTextVector( const vector<uint8>& v )
|
||
|
{
|
||
|
string s;
|
||
|
|
||
|
// Copy contents
|
||
|
s.resize( v.size() );
|
||
|
memcpy( &*s.begin(), &*v.begin(), v.size() );
|
||
|
|
||
|
return s;
|
||
|
}*/
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Add a record
|
||
|
*/
|
||
|
void CMessageRecorder::recordNext( sint64 updatecounter, TNetworkEvent event, TSockId sockid, CMessage& message )
|
||
|
{
|
||
|
nlassert( _File.is_open() );
|
||
|
|
||
|
if ( (_RecordAll) || (event != Sending) )
|
||
|
{
|
||
|
// Serial to stream
|
||
|
TMessageRecord rec ( event, sockid, message, updatecounter /*CTime::getLocalTime()*/ );
|
||
|
CMemStream stream ( false, true );
|
||
|
rec.serial( stream );
|
||
|
char c = '\0'; // end of cstring
|
||
|
stream.serial( c ); // added to the stream for _File << (char*)stream.buffer()
|
||
|
|
||
|
// Dump to file
|
||
|
nldebug( "MR:%s: Recording [%s]", _Filename.c_str(), stream.buffer() );
|
||
|
int len = (int)(stream.length()-2); // not the null character (and its separator) at the end of the buffer
|
||
|
_File << "* ";
|
||
|
_File << len; // if we put the expression directly, it makes an access violation ! Weird.
|
||
|
_File << " ";
|
||
|
_File << (char*)stream.buffer() << endl;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Stop recording
|
||
|
*/
|
||
|
void CMessageRecorder::stopRecord()
|
||
|
{
|
||
|
_File.close();
|
||
|
_Filename = "";
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Start playback
|
||
|
*/
|
||
|
bool CMessageRecorder::startReplay( const std::string& filename )
|
||
|
{
|
||
|
_Filename = filename;
|
||
|
_File.open( _Filename.c_str(), ios_base::in );
|
||
|
if ( _File.fail() )
|
||
|
{
|
||
|
nlerror( "MR: Replay: Cannot open file %s", _Filename.c_str() );
|
||
|
return false;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
nldebug( "MR: Start replaying from %s", _Filename.c_str() );
|
||
|
return true;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Get next record (throw EStreamOverflow)
|
||
|
*/
|
||
|
bool CMessageRecorder::loadNext( TMessageRecord& record )
|
||
|
{
|
||
|
// WARNING!!! This features doesn't work anymore becaues bufferAsVector() is not available with new CMemStream
|
||
|
nlstop;
|
||
|
return false;
|
||
|
|
||
|
nlassert( _File.is_open() );
|
||
|
|
||
|
// Dump from file
|
||
|
CMemStream stream ( true, true );
|
||
|
uint32 len;
|
||
|
char c;
|
||
|
_File >> c; // skip "* ";
|
||
|
_File >> (int&)len;
|
||
|
_File.ignore(); // skip delimiter
|
||
|
if ( ! _File.fail() )
|
||
|
{
|
||
|
_File.get( (char*)stream.bufferToFill( len+1 ), len+1, '\0' );
|
||
|
//stream.bufferAsVector().resize( len ); // cut end of cstring
|
||
|
nldebug( "MR:%s: Reading [%s]", _Filename.c_str(), stream.buffer() );
|
||
|
|
||
|
// Serial from stream
|
||
|
record.serial( stream ); // may throw EStreamOverflow if _File.fail()
|
||
|
}
|
||
|
|
||
|
return ! _File.fail(); // retest
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Get the next record (from the preloaded records, or from the file)
|
||
|
*/
|
||
|
bool CMessageRecorder::getNext( TMessageRecord& record, sint64 updatecounter )
|
||
|
{
|
||
|
if ( ! _PreloadedRecords.empty() )
|
||
|
{
|
||
|
if ( _PreloadedRecords.front().UpdateCounter == updatecounter )
|
||
|
{
|
||
|
// The requested record is in the preload
|
||
|
record = _PreloadedRecords.front();
|
||
|
_PreloadedRecords.pop_front();
|
||
|
return true;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// The requested record is not in the file
|
||
|
nlassert( updatecounter < _PreloadedRecords.front().UpdateCounter ); // not >
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if ( loadNext( record ) )
|
||
|
{
|
||
|
if ( record.UpdateCounter == updatecounter )
|
||
|
{
|
||
|
// The requested record has been loaded
|
||
|
return true;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
// The next loaded record is a new one
|
||
|
nlassert( updatecounter < record.UpdateCounter ); // not >
|
||
|
_PreloadedRecords.push_back( record ); // when we read one too far
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Push the received blocks for this counter into the receive queue
|
||
|
*/
|
||
|
void CMessageRecorder::replayNextDataAvailable( sint64 updatecounter )
|
||
|
{
|
||
|
TMessageRecord rec( true ); // input message
|
||
|
|
||
|
while ( getNext( rec, updatecounter ) )
|
||
|
{
|
||
|
switch ( rec.Event )
|
||
|
{
|
||
|
case Receiving :
|
||
|
case Accepting :
|
||
|
case Disconnecting :
|
||
|
ReceivedMessages.push( rec );
|
||
|
break;
|
||
|
|
||
|
case Sending :
|
||
|
break;
|
||
|
|
||
|
case Connecting :
|
||
|
case ConnFailing :
|
||
|
_ConnectionAttempts.push_back( rec );
|
||
|
break;
|
||
|
|
||
|
default :
|
||
|
nlstop;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Returns true and the event type if the counter of the next data is updatecounter
|
||
|
*/
|
||
|
TNetworkEvent CMessageRecorder::checkNextOne( sint64 updatecounter )
|
||
|
{
|
||
|
TMessageRecord record;
|
||
|
if ( getNext( record, updatecounter ) )
|
||
|
{
|
||
|
nldebug( "MR: Check next one: %s at update %"NL_I64"u", EventToString(record.Event).c_str(), updatecounter );
|
||
|
return record.Event;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return Error;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Get the first stored connection attempt corresponding to addr
|
||
|
*/
|
||
|
TNetworkEvent CMessageRecorder::replayConnectionAttempt( const CInetAddress& addr )
|
||
|
{
|
||
|
TNetworkEvent event;
|
||
|
deque<TMessageRecord>::iterator ipr;
|
||
|
|
||
|
if ( ! _ConnectionAttempts.empty() )
|
||
|
{
|
||
|
// Search in the already processed connection attempts
|
||
|
for ( ipr=_ConnectionAttempts.begin(); ipr!=_ConnectionAttempts.end(); ++ipr )
|
||
|
{
|
||
|
CInetAddress stored_addr;
|
||
|
(*ipr).Message.serial( stored_addr );
|
||
|
if ( stored_addr == addr )
|
||
|
{
|
||
|
// Found
|
||
|
event = (*ipr).Event;
|
||
|
nldebug( "MR: Connection attempt found at update %"NL_I64"u", (*ipr).UpdateCounter );
|
||
|
_ConnectionAttempts.erase( ipr );
|
||
|
return event;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Seek in the preloaded records
|
||
|
for ( ipr=_PreloadedRecords.begin(); ipr!=_PreloadedRecords.end(); ++ipr )
|
||
|
{
|
||
|
event = (*ipr).Event;
|
||
|
if ( (event == Connecting) || (event == ConnFailing) )
|
||
|
{
|
||
|
CInetAddress stored_addr;
|
||
|
(*ipr).Message.serial( stored_addr );
|
||
|
if ( stored_addr == addr )
|
||
|
{
|
||
|
// Found
|
||
|
nldebug( "MR: Connection attempt found at update %"NL_I64"u", (*ipr).UpdateCounter );
|
||
|
_PreloadedRecords.erase( ipr );
|
||
|
return event;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
if ( ipr==_PreloadedRecords.end() )
|
||
|
{
|
||
|
// If not found, load next records until found !
|
||
|
TMessageRecord rec( true );
|
||
|
while ( loadNext( rec ) )
|
||
|
{
|
||
|
if ( ( rec.Event == Connecting ) || ( rec.Event == ConnFailing ) )
|
||
|
{
|
||
|
CInetAddress stored_addr;
|
||
|
rec.Message.serial( stored_addr );
|
||
|
if ( stored_addr == addr )
|
||
|
{
|
||
|
// Found
|
||
|
nldebug( "MR: Connection attempt found at update %"NL_I64"u", rec.UpdateCounter );
|
||
|
return rec.Event;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
_PreloadedRecords.push_back( rec );
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
_PreloadedRecords.push_back( rec );
|
||
|
}
|
||
|
}
|
||
|
// Not found
|
||
|
nldebug( "MR: Connection attempt not found" );
|
||
|
return Error;
|
||
|
}
|
||
|
nlstop;
|
||
|
return Error;
|
||
|
}
|
||
|
|
||
|
|
||
|
/*
|
||
|
* Stop playback
|
||
|
*/
|
||
|
void CMessageRecorder::stopReplay()
|
||
|
{
|
||
|
_File.close();
|
||
|
_Filename = "";
|
||
|
}
|
||
|
|
||
|
|
||
|
} // NLNET
|