/**
* Start virtual judger
*/
void VirtualJudger::run() {
log("Judger started");
initHandShake();
while (true) {
socket->receiveFile(tmpfilename);
Bott * bott = new Bott(tmpfilename);
log((string) "Received a new task, problem: " + bott->Getvid() + ".");
string result_filename = Bott::RESULTS_DIRECTORY +
intToString(bott->Getrunid());
if (bott->Gettype() == NEED_JUDGE) {
// Currently for vjudge, only NEED_JUDGE is supported
try {
if (bott->Getsrc().length() < MIN_SOURCE_LENGTH) {
// source code too short, may cause problem in remote OJ, such as PKU
bott->Setout_filename(result_filename);
generateSpecialResult(bott, "Compile Error");
bott->Setce_info("Source code too short, minimum length: " +
intToString(MIN_SOURCE_LENGTH));
bott->save();
} else {
judge(bott, result_filename);
}
} catch (Exception & e) {
// Exception occurs, set to Judge Error
log((string) "Judge error! Reason: " + e.what());
// reuse bott file
bott->Setout_filename(result_filename);
generateSpecialResult(bott, "Judge Error");
bott->save();
} catch (exception & e) {
// Exception occurs, set to Judge Error
log((string) "Judge error! Reason: " + e.what());
// reuse bott file
bott->Setout_filename(result_filename);
generateSpecialResult(bott, "Judge Error");
bott->save();
}
delete bott;
} else {
delete bott;
throw Exception("Type not supported.");
}
socket->sendFile(result_filename);
}
}
/**
* Send a submit to remote, and store the judge result
* @param bott Submit info
* @param filename File store the result
*/
void VirtualJudger::judge(Bott * bott, string filename) {
// login
if (!logged_in) { // Not logged in, try login
clearCookies();
login();
log("Logged in.");
logged_in = true;
}
// submit
int submit_status = submit(bott);
if (submit_status == SUBMIT_OTHER_ERROR) {
// first time fail, blame login status...
log((string) "Submit error. Assume not logged in.");
logged_in = false;
clearCookies();
login();
log("Logged in.");
logged_in = true;
submit_status = submit(bott);
if (submit_status == SUBMIT_OTHER_ERROR) {
// second time fail, blame frequency
if (info->GetOj() == "CodeChef") {
// CodeChef's restriction is harsh... 30 seconds cool down required
log("Submit error. Assume should sleep for a while, "
"sleeping 30 seconds.");
sleep(30);
} else {
log("Submit error. Assume should sleep for a while, sleeping " +
intToString(VirtualJudger::SLEEP_INTERVAL) + " seconds.");
sleep(VirtualJudger::SLEEP_INTERVAL);
}
submit_status = submit(bott);
}
} else if (submit_status == SUBMIT_INVALID_LANGUAGE &&
(info->GetOj() == "SPOJ" || info->GetOj() == "CodeChef") &&
convertLanguage(bott->Getlanguage()) == "41") {
// Special HACK for Invalid Language on SPOJ/CodeChef, since they have two
// C++ types and each covers a certain subset of problems
log((string) "Try another C++ for SPOJ/CodeChef");
bott->Setlanguage(1);
submit_status = submit(bott);
}
if (submit_status != SUBMIT_OTHER_ERROR) log("Submitted.");
// check submit status
sleep(1); // sleep 1 second, just in case remote status table is not refreshed
Bott * result;
if (submit_status == SUBMIT_NORMAL) {
// get status
result = getStatus(bott);
result->Setrunid(bott->Getrunid());
if (result->Getresult() == "Compile Error") {
try {
result->Setce_info(getCEinfo(result));
} catch (...) {
log("Failed to get CE info, use empty one instead.");
result->Setce_info("");
}
}
} else {
result = new Bott;
result->Setrunid(bott->Getrunid());
switch (submit_status) {
case SUBMIT_SAME_CODE:
generateSpecialResult(result, "Judge Error (Same Code)");
break;
case SUBMIT_INVALID_LANGUAGE:
generateSpecialResult(result, "Judge Error (Invalid Language)");
break;
case SUBMIT_COMPILE_ERROR:
generateSpecialResult(result, "Compile Error");
break;
default:
log("Submit Error.");
generateSpecialResult(result, "Judge Error");
}
}
result->Setout_filename(filename);
result->save();
log("Done judging. Result: " + result->Getresult() + ", remote runid: " +
result->Getremote_runid());
delete result;
}