void main()
{
unsigned char temp;
unsigned char flags;
char keyTemp[2] = { 0, };
int i = 0;
printstring(0, 10, "Switch To IA-32e Mode Success!");
printstring(0, 11, "IA-32e C Language Kernel Start!");
printstring(0, 12, "GDT initialize and switch IA-32e Mode..");
initGDTTableAndTSS();
loadGDTR(GDTR_STARTADDRESS);
printstring(40, 12, "Pass");
printstring(0, 13, "TSS Segement Load...");
loadTR(GDT_TSSSEGMENT);
printstring(22, 13, "Pass");
printstring(0, 14, "IDT Initialize...");
loadIDTR(IDTR_STARTADDRESS);
printstring(18, 14, "Pass");
printstring(0, 15, "Keyboard Activate ...");
if(activateKeyboard())
{
printstring(22, 15, "Pass");
changeKeyboardLED(0, 0, 0);
}
else
{
printstring(22, 15, "Pass");
while(1);
}
while(1)
{
if(isOutputBufferFull())
{
temp = getKeyboardScanCode();
if(convertScanCodeToASCIICode(temp, &(keyTemp[0]), &flags))
{
if(flags & KEY_FLAGS_DOWN)
{
printstring(i++, 16, keyTemp);
}
}
}
}
while(1);
}
/**
* Advance for online execution
*/
void Redirector::advanceOnline(){
const int MAX=JAIL_NET_BUFFER_SIZE; //Buffer size to read
const int POLLBAD=POLLERR|POLLHUP|POLLNVAL;
const int POLLREAD=POLLIN|POLLPRI;
const int polltimeout= 100; // 0.1 sec
States oldstate=state;
switch(state){
case begin:{
if(fdps<0) {
state=error; //fd pseudo terminal error
break;
}
Util::fdblock(fdps,false);
state=connected;
case connected:{
//Poll to write and read from program and net
if(ws->isReadBuffered())
programbuf += ws->receive();
struct pollfd devices[2];
devices[0].fd=fdps;
devices[1].fd=ws->getSocket();
char buf[MAX];
if(programbuf.size()) devices[0].events=POLLREAD|POLLOUT;
else devices[0].events=POLLREAD;
devices[1].events=POLLREAD;
int res=poll(devices,2,polltimeout);
if(res==-1) { //Error
syslog(LOG_INFO,"pool error %m");
state = error;
break;
}
if(res==0) break; //Nothing to do
syslog(LOG_INFO,"poll: program %d %s",
devices[0].revents,eventsToString(devices[0].revents).c_str());
if(devices[1].revents & POLLREAD)
programbuf += ws->receive();
if((devices[0].revents & POLLREAD) && !isOutputBufferFull()){ //Read program output
int readsize=read(fdps,buf,MAX);
if(readsize <= 0){
syslog(LOG_INFO,"program output read error: %m");
state=ending;
break; //program output read error
}
if(readsize >0) {
ws->send(string(buf,readsize));
}
}
if(programbuf.size()>0 && (devices[0].revents & POLLOUT)){ //Write to program
int written=write(fdps,programbuf.data(),programbuf.size());
if(written <=0) {
syslog(LOG_INFO,"Write to program error: %m");
state=ending;
break;
}
programbuf.erase(0,written);
}
if((devices[0].revents & POLLBAD) && !(devices[0].revents & POLLREAD)){
syslog(LOG_INFO,"Program end or I/O error: %m %d %s",devices[0].revents,eventsToString(devices[0].revents).c_str());
state=ending;
break;
}
break;
}
case ending:{
if(isSilent()){
syslog(LOG_INFO,"Program terminated with no output");
ws->send("\nProgram terminated with no output\n");
}
if(messageBuf.size()>0){
syslog(LOG_INFO,"Add jail message to output");
ws->send(messageBuf);
messageBuf="";
}
}
state=end;
/* no break */
case end:
case error:
if(ws->isClosed())
usleep(50000);
else ws->close();
break;
}
}
if(oldstate != state)
syslog(LOG_INFO,"New redirector state %d => %d",oldstate,state);
}
