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/*
* Copyright (C) 2007-2011 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "bu/protocol.h"
#include "bu/multiserver.h"
#include "bu/client.h"
#include "bu/filter.h"
using namespace Bu;
class Rot13Filter : public Filter
{
public:
Rot13Filter( Stream &next ) :
Filter( next )
{
}
virtual ~Rot13Filter()
{
}
virtual void start()
{
}
virtual Bu::size stop()
{
return 0;
}
virtual Bu::size read( void *pBuf, Bu::size nBytes )
{
return rNext.read( pBuf, nBytes );
}
virtual Bu::size write( const void *pBuf, Bu::size nBytes )
{
const char *cBuf = (const char *)pBuf;
char *buf = new char[nBytes];
for( Bu::size j = 0; j < nBytes; j++ )
{
if( cBuf[j] >= 'a' && cBuf[j] <= 'z' )
buf[j] = (cBuf[j]-'a'+13)%26+'a';
else if( cBuf[j] >= 'A' && cBuf[j] <= 'Z' )
buf[j] = (cBuf[j]-'A'+13)%26+'A';
else
buf[j] = cBuf[j];
}
rNext.write( buf, nBytes );
delete[] buf;
return nBytes;
}
};
class Rot13Protocol : public Protocol
{
public:
void onNewConnection( Bu::Client *pClient )
{
pClient->pushFilter<Rot13Filter>();
}
void onNewData( Bu::Client *pClient )
{
char buf[1024];
while( pClient->hasInput() )
{
int iAmnt = pClient->read( buf, 1024 );
pClient->write( buf, iAmnt );
}
}
};
int main()
{
MultiServer xSrv;
xSrv.setTimeout( 5 );
xSrv.addProtocol( genProtocol<Rot13Protocol>, 9999 );
for(;;)
xSrv.scan();
return 0;
}
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