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#include "bu/protocoltelnet.h"
#include "bu/client.h"
#define CODE_SE '\xf0' /**< End of subnegotiation params. */
#define CODE_NOP '\xf1' /**< No operation (keep-alive). */
#define CODE_DM '\xf2' /**< Datastream side of a Synch. */
#define CODE_BRK '\xf3' /**< Break character. */
#define CODE_IP '\xf4' /**< Interrupt Process character. */
#define CODE_AO '\xf5' /**< Abort Output character. */
#define CODE_AYT '\xf6' /**< Are You There? character. */
#define CODE_EC '\xf7' /**< Erase Character character. */
#define CODE_EL '\xf8' /**< Erase Line character. */
#define CODE_GA '\xf9' /**< Go Ahead signal. */
#define CODE_SB '\xfa' /**< Begin subnegotiation options. */
#define CODE_WILL '\xfb' /**< Desire to do something. */
#define CODE_WONT '\xfc' /**< Refuse to perform. */
#define CODE_DO '\xfd' /**< Request option. */
#define CODE_DONT '\xfe' /**< Demand a stop. */
#define CODE_IAC '\xff' /**< Interpret-As-Command. */
#define OPT_BINARY '\x00' /**< Binary mode (file transfers?). */
#define OPT_ECHO '\x01' /**< (local) Echo mode. */
Bu::ProtocolTelnet::ProtocolTelnet() :
oBinary( *this, OPT_BINARY ),
oEcho( *this, OPT_ECHO )
{
}
Bu::ProtocolTelnet::~ProtocolTelnet()
{
}
void Bu::ProtocolTelnet::onNewConnection( Bu::Client *pClient )
{
}
void Bu::ProtocolTelnet::onNewData( Bu::Client *pClient )
{
}
Bu::ProtocolTelnet::Option::Option( Bu::ProtocolTelnet &rPT, char cCode ) :
rPT( rPT ),
fOpts( 0 ),
cCode( cCode )
{
rPT.hOpts.insert( cCode, this );
}
Bu::ProtocolTelnet::Option::~Option()
{
}
void Bu::ProtocolTelnet::Option::localEnable( bool bSet )
{
if( bSet == (bool)(!(fOpts&fLocalCant)) ) return;
if( bSet )
fOpts &= ~fLocalCant;
else
fOpts |= fLocalCant;
}
void Bu::ProtocolTelnet::Option::localSet( bool bSet )
{
if( bSet == (bool)(fOpts&fLocalIs) ) return;
char buf[2];
if( bSet )
{
buf[0] = CODE_WILL;
buf[1] = cCode;
rPT.pClient->write( buf, 2 );
}
else
{
buf[0] = CODE_WONT;
buf[1] = cCode;
rPT.pClient->write( buf, 2 );
}
}
bool Bu::ProtocolTelnet::Option::isLocalEnabled()
{
return (bool)(!(fOpts&fLocalCant));
}
bool Bu::ProtocolTelnet::Option::isLocalSet()
{
return (bool)(fOpts&fLocalIs);
}
void Bu::ProtocolTelnet::Option::remoteEnable( bool bSet )
{
return;
}
void Bu::ProtocolTelnet::Option::remoteSet( bool bSet )
{
if( bSet == (bool)(fOpts&fRemoteIs) ) return;
char buf[2];
if( bSet )
{
buf[0] = CODE_DO;
buf[1] = cCode;
rPT.pClient->write( buf, 2 );
}
else
{
buf[0] = CODE_DONT;
buf[1] = cCode;
rPT.pClient->write( buf, 2 );
}
}
bool Bu::ProtocolTelnet::Option::isRemoteEnabled()
{
return (bool)(!(fOpts&fRemoteCant));
}
bool Bu::ProtocolTelnet::Option::isRemoteSet()
{
return (bool)(fOpts&fRemoteIs);
}
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