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judgingthread.cpp
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judgingthread.cpp
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/***************************************************************************
This file is part of Project Lemon
Copyright (C) 2011 Zhipeng Jia
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http:https://www.gnu.org/licenses/>.
***************************************************************************/
/**
* judgingthread.cpp @Project Lemon+
* Update 2018 Dust1404
**/
/**
* judgingthread.cpp @Project LemonLime
* Update 2019 iotang
**/
#include <cstring>
#include <cstdio>
#include <QTime>
#include "judgingthread.h"
#include "settings.h"
#include "task.h"
#include "judgesharedvariables.h"
#ifdef Q_OS_WIN32
#include <windows.h>
extern "C" {
typedef struct _PROCESS_MEMORY_COUNTERS
{
DWORD cb;
DWORD PageFaultCount;
DWORD PeakWorkingSetSize;
DWORD WorkingSetSize;
DWORD QuotaPeakPagedPoolUsage;
DWORD QuotaPagedPoolUsage;
DWORD QuotaPeakNonPagedPoolUsage;
DWORD QuotaNonPagedPoolUsage;
DWORD PagefileUsage;
DWORD PeakPagefileUsage;
} PROCESS_MEMORY_COUNTERS, *PPROCESS_MEMORY_COUNTERS;
typedef struct _PROCESS_MEMORY_COUNTERS_EX
{
DWORD cb;
DWORD PageFaultCount;
DWORD PeakWorkingSetSize;
DWORD WorkingSetSize;
DWORD QuotaPeakPagedPoolUsage;
DWORD QuotaPagedPoolUsage;
DWORD QuotaPeakNonPagedPoolUsage;
DWORD QuotaNonPagedPoolUsage;
DWORD PagefileUsage;
DWORD PeakPagefileUsage;
DWORD PrivateUsage;
} PROCESS_MEMORY_COUNTERS_EX, *PPROCESS_MEMORY_COUNTERS_EX;
BOOL WINAPI GetProcessMemoryInfo(HANDLE, PPROCESS_MEMORY_COUNTERS, DWORD);
}
#endif
JudgingThread::JudgingThread(QObject *parent) :
QThread(parent)
{
moveToThread(this);
//checkRejudgeMode = false;
needRejudge = false;
stopJudging = false;
timeUsed = -1;
memoryUsed = -1;
judgedTimes = 0;
QTime t = QTime::currentTime();
qsrand(static_cast<unsigned int>(t.msec() + t.second() * 1000));
}
/*void JudgingThread::setCheckRejudgeMode(bool check)
{
checkRejudgeMode = check;
}*/
void JudgingThread::setExtraTimeRatio(double ratio)
{
extraTimeRatio = ratio;
}
void JudgingThread::setEnvironment(const QProcessEnvironment &env)
{
environment = env;
}
void JudgingThread::setWorkingDirectory(const QString &directory)
{
workingDirectory = directory;
}
void JudgingThread::setSpecialJudgeTimeLimit(int limit)
{
specialJudgeTimeLimit = limit;
}
void JudgingThread::setExecutableFile(const QString &fileName)
{
executableFile = fileName;
}
void JudgingThread::setArguments(const QString &argumentsList)
{
arguments = argumentsList;
}
void JudgingThread::setAnswerFile(const QString &fileName)
{
answerFile = fileName;
}
void JudgingThread::setInputFile(const QString &fileName)
{
inputFile = fileName;
}
void JudgingThread::setOutputFile(const QString &fileName)
{
outputFile = fileName;
}
void JudgingThread::setDiffPath(const QString &path)
{
diffPath = path;
}
void JudgingThread::setTask(Task *_task)
{
task = _task;
}
void JudgingThread::setFullScore(int score)
{
fullScore = score;
}
void JudgingThread::setTimeLimit(int limit)
{
timeLimit = limit;
}
void JudgingThread::setMemoryLimit(int limit)
{
memoryLimit = limit;
}
auto JudgingThread::getTimeUsed() const -> int
{
return timeUsed;
}
auto JudgingThread::getMemoryUsed() const -> int
{
return memoryUsed;
}
auto JudgingThread::getScore() const -> int
{
return score;
}
auto JudgingThread::getJudgeTimes() const -> int
{
return judgedTimes;
}
auto JudgingThread::getResult() const -> ResultState
{
return result;
}
auto JudgingThread::getMessage() const -> const QString &
{
return message;
}
auto JudgingThread::getNeedRejudge() const -> bool
{
return needRejudge;
}
void JudgingThread::stopJudgingSlot()
{
stopJudging = true;
}
void JudgingThread::compareLineByLine(const QString &contestantOutput)
{
FILE *contestantOutputFile = fopen(contestantOutput.toLocal8Bit().data(), "r");
if (contestantOutputFile == nullptr)
{
score = 0;
result = FileError;
message = tr("Cannot open contestant\'s output file");
return;
}
FILE *standardOutputFile = fopen(outputFile.toLocal8Bit().data(), "r");
if (standardOutputFile == nullptr)
{
score = 0;
result = FileError;
message = tr("Cannot open standard output file");
fclose(contestantOutputFile);
return;
}
char str1[20];
char str2[20];
char ch = 0;
bool chk1 = false;
bool chk2 = false;
bool chkEof1 = false;
bool chkEof2 = false;
int len1;
int len2;
while (true)
{
len1 = 0;
while (len1 < 10)
{
ch = static_cast<char>(fgetc(contestantOutputFile));
if (ch == EOF) break;
if (! chk1 && ch == '\n') break;
if (chk1 && ch == '\n')
{
chk1 = false;
continue;
}
if (ch == '\r')
{
chk1 = true;
break;
}
if (chk1) chk1 = false;
str1[len1 ++] = ch;
}
str1[len1 ++] = '\0';
chkEof1 = ch == EOF;
len2 = 0;
while (len2 < 10)
{
ch = static_cast<char>(fgetc(standardOutputFile));
if (ch == EOF) break;
if (! chk2 && ch == '\n') break;
if (chk2 && ch == '\n')
{
chk2 = false;
continue;
}
if (ch == '\r')
{
chk2 = true;
break;
}
if (chk2) chk2 = false;
str2[len2 ++] = ch;
}
str2[len2 ++] = '\0';
chkEof2 = ch == EOF;
if (chkEof1 && ! chkEof2)
{
score = 0;
result = WrongAnswer;
message = tr("Shorter than standard output");
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
if (! chkEof1 && chkEof2)
{
score = 0;
result = WrongAnswer;
message = tr("Longer than standard output");
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
if (len1 != len2 || strcmp(str1, str2) != 0)
{
score = 0;
result = WrongAnswer;
message = tr(R"(Read "%1" but expect "%2")").arg(str1).arg(str2);
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
if (chkEof1 && chkEof2) break;
QCoreApplication::processEvents();
if (stopJudging)
{
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
}
score = fullScore;
result = CorrectAnswer;
fclose(contestantOutputFile);
fclose(standardOutputFile);
}
void JudgingThread::compareIgnoreSpaces(const QString &contestantOutput)
{
FILE *contestantOutputFile = fopen(contestantOutput.toLocal8Bit().data(), "r");
if (contestantOutputFile == nullptr)
{
score = 0;
result = FileError;
message = tr("Cannot open contestant\'s output file");
return;
}
FILE *standardOutputFile = fopen(outputFile.toLocal8Bit().data(), "r");
if (standardOutputFile == nullptr)
{
score = 0;
result = FileError;
message = tr("Cannot open standard output file");
fclose(contestantOutputFile);
return;
}
char ch1 = '\n';
char ch2 = '\n';
char str1[20];
char str2[20];
int flag1;
int flag2;
while (true)
{
if (ch1 == '\n' || ch1 == '\r' || ch1 == EOF)
{
if (ch1 == '\r')
{
ch1 = static_cast<char>(fgetc(contestantOutputFile));
if (ch1 == '\n') ch1 = static_cast<char>(fgetc(contestantOutputFile));
}
else
{
ch1 = static_cast<char>(fgetc(contestantOutputFile));
}
while (ch1 == ' ' || ch1 == '\t')
{
ch1 = static_cast<char>(fgetc(contestantOutputFile));
}
flag1 = 2;
}
else
{
if (ch1 == ' ' || ch1 == '\t')
{
while (ch1 == ' ' || ch1 == '\t')
{
ch1 = static_cast<char>(fgetc(contestantOutputFile));
}
if (ch1 == '\n' || ch1 == '\r' || ch1 == EOF)
{
if (ch1 == '\r')
{
ch1 = static_cast<char>(fgetc(contestantOutputFile));
if (ch1 == '\n') ch1 = static_cast<char>(fgetc(contestantOutputFile));
}
else
{
ch1 = static_cast<char>(fgetc(contestantOutputFile));
}
while (ch1 == ' ' || ch1 == '\t')
{
ch1 = static_cast<char>(fgetc(contestantOutputFile));
}
flag1 = 2;
}
else
{
flag1 = 1;
}
}
else
{
flag1 = 0;
}
}
if (ch2 == '\n' || ch2 == '\r' || ch2 == EOF)
{
if (ch2 == '\r')
{
ch2 = static_cast<char>(fgetc(standardOutputFile));
if (ch2 == '\n') ch2 = static_cast<char>(fgetc(standardOutputFile));
}
else
{
ch2 = static_cast<char>(fgetc(standardOutputFile));
}
while (ch2 == ' ' || ch2 == '\t')
ch2 = static_cast<char>(fgetc(standardOutputFile));
flag2 = 2;
}
else
{
if (ch2 == ' ' || ch2 == '\t')
{
while (ch2 == ' ' || ch2 == '\t')
{
ch2 = static_cast<char>(fgetc(standardOutputFile));
}
if (ch2 == '\n' || ch2 == '\r' || ch2 == EOF)
{
if (ch2 == '\r')
{
ch2 = static_cast<char>(fgetc(standardOutputFile));
if (ch2 == '\n') ch2 = static_cast<char>(fgetc(standardOutputFile));
}
else
{
ch2 = static_cast<char>(fgetc(standardOutputFile));
}
while (ch2 == ' ' || ch2 == '\t')
{
ch2 = static_cast<char>(fgetc(standardOutputFile));
}
flag2 = 2;
}
else
{
flag2 = 1;
}
}
else
{
flag2 = 0;
}
}
if (flag1 != flag2)
{
score = 0;
result = WrongAnswer;
message = tr("Presentation error");
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
int len1 = 0;
while (len1 < 10)
{
if (ch1 != ' ' && ch1 != '\t' && ch1 != '\n' && ch1 != '\r' && ch1 != EOF)
{
str1[len1 ++] = ch1;
}
else
{
break;
}
ch1 = static_cast<char>(fgetc(contestantOutputFile));
}
str1[len1] = '\0';
int len2 = 0;
while (len2 < 10)
{
if (ch2 != ' ' && ch2 != '\t' && ch2 != '\n' && ch2 != '\r' && ch2 != EOF)
{
str2[len2 ++] = ch2;
}
else
{
break;
}
ch2 = static_cast<char>(fgetc(standardOutputFile));
}
str2[len2] = '\0';
if (len1 != len2 || strcmp(str1, str2) != 0)
{
score = 0;
result = WrongAnswer;
message = tr(R"(Read "%1" but expect "%2")").arg(str1).arg(str2);
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
if (ch1 == EOF && ch2 == EOF) break;
QCoreApplication::processEvents();
if (stopJudging)
{
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
}
score = fullScore;
result = CorrectAnswer;
fclose(contestantOutputFile);
fclose(standardOutputFile);
}
void JudgingThread::compareWithDiff(const QString &contestantOutput)
{
QString cmd = QString(R"("%1" %2 "%3" "%4")").arg(diffPath, task->getDiffArguments())
.arg(QFileInfo(outputFile).absoluteFilePath().replace('/', QDir::separator())).arg(contestantOutput);
if (QProcess::execute(cmd) != 0)
{
score = 0;
result = WrongAnswer;
}
else
{
score = fullScore;
result = CorrectAnswer;
}
}
void JudgingThread::compareRealNumbers(const QString &contestantOutput)
{
FILE *contestantOutputFile = fopen(contestantOutput.toLocal8Bit().data(), "r");
if (contestantOutputFile == nullptr)
{
score = 0;
result = FileError;
message = tr("Cannot open contestant\'s output file");
return;
}
FILE *standardOutputFile = fopen(outputFile.toLocal8Bit().data(), "r");
if (standardOutputFile == nullptr)
{
score = 0;
result = FileError;
message = tr("Cannot open standard output file");
fclose(contestantOutputFile);
return;
}
double eps = 1;
for (int i = 0; i < task->getRealPrecision(); i ++)
eps *= 0.1;
double a;
double b;
while (true)
{
int cnt1 = fscanf(contestantOutputFile, "%lf", &a);
int cnt2 = fscanf(standardOutputFile, "%lf", &b);
if (cnt1 == 0)
{
score = 0;
result = WrongAnswer;
message = tr("Invalid characters found");
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
if (cnt2 == 0)
{
score = 0;
result = FileError;
message = tr("Invalid characters in standard output file");
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
if (cnt1 == EOF && cnt2 == EOF) break;
if (cnt1 == EOF && cnt2 == 1)
{
score = 0;
result = WrongAnswer;
message = tr("Shorter than standard output");
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
if (cnt1 == 1 && cnt2 == EOF)
{
score = 0;
result = WrongAnswer;
message = tr("Longer than standard output");
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
if (fabs(a - b) > eps || (std::isnan(a) != std::isnan(b)) || (std::isinf(a) != std::isinf(b)))
{
score = 0;
result = WrongAnswer;
message = tr(R"(Read "%1" but expect "%2")").arg(a, 0, 'g', 18).arg(b, 0, 'g', 18);
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
QCoreApplication::processEvents();
if (stopJudging)
{
fclose(contestantOutputFile);
fclose(standardOutputFile);
return;
}
}
score = fullScore;
result = CorrectAnswer;
fclose(contestantOutputFile);
fclose(standardOutputFile);
}
void JudgingThread::specialJudge(const QString &fileName)
{
if (! QFileInfo(inputFile).exists())
{
score = 0;
result = FileError;
message = tr("Cannot find standard input file");
return;
}
if (! QFileInfo(fileName).exists())
{
score = 0;
result = FileError;
message = tr("Cannot find contestant\'s output file");
return;
}
if (! QFileInfo(outputFile).exists())
{
score = 0;
result = FileError;
message = tr("Cannot find standard output file");
return;
}
auto *judge = new QProcess(this);
QStringList arguments;
arguments << inputFile << fileName << outputFile << QString("%1").arg(fullScore);
arguments << workingDirectory + "_score";
arguments << workingDirectory + "_message";
judge->start(Settings::dataPath() + task->getSpecialJudge(), arguments);
if (! judge->waitForStarted(-1))
{
score = 0;
result = InvalidSpecialJudge;
delete judge;
return;
}
QElapsedTimer timer;
timer.start();
bool flag = false;
while (timer.elapsed() < specialJudgeTimeLimit)
{
if (judge->state() != QProcess::Running)
{
flag = true;
break;
}
QCoreApplication::processEvents();
if (stopJudging)
{
judge->kill();
delete judge;
return;
}
msleep(10);
}
if (! flag)
{
judge->kill();
score = 0;
result = SpecialJudgeTimeLimitExceeded;
delete judge;
return;
}
if (judge->exitCode() != 0)
{
score = 0;
result = SpecialJudgeRunTimeError;
delete judge;
return;
}
delete judge;
QFile scoreFile(workingDirectory + "_score");
if (! scoreFile.open(QFile::ReadOnly))
{
score = 0;
result = InvalidSpecialJudge;
return;
}
QTextStream scoreStream(&scoreFile);
scoreStream >> score;
if (scoreStream.status() == QTextStream::ReadCorruptData)
{
score = 0;
result = InvalidSpecialJudge;
return;
}
scoreFile.close();
if (score < 0)
{
score = 0;
result = InvalidSpecialJudge;
return;
}
QFile messageFile(workingDirectory + "_message");
if (messageFile.open(QFile::ReadOnly))
{
QTextStream messageStream(&messageFile);
message = messageStream.readAll();
messageFile.close();
}
if (score == 0) result = WrongAnswer;
if (0 < score && score < fullScore) result = PartlyCorrect;
if (score >= fullScore) result = CorrectAnswer;
scoreFile.remove();
messageFile.remove();
}
void JudgingThread::runProgram()
{
result = CorrectAnswer;
int extraTime = qCeil(qMax(2000, timeLimit * 2) * extraTimeRatio);
if (skipEnabled)
{
result = TimeLimitExceeded;
score = 0;
return;
}
#ifdef Q_OS_WIN32
SetErrorMode(SEM_NOGPFAULTERRORBOX);
STARTUPINFO si;
PROCESS_INFORMATION pi;
SECURITY_ATTRIBUTES sa;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
si.dwFlags = STARTF_USESTDHANDLES;
ZeroMemory(&pi, sizeof(pi));
ZeroMemory(&sa, sizeof(sa));
sa.bInheritHandle = TRUE;
if (task->getStandardInputCheck())
{
si.hStdInput = CreateFile((const WCHAR *)(inputFile.utf16()), GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, &sa,
OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
}
if (task->getStandardOutputCheck())
{
si.hStdOutput = CreateFile((const WCHAR *)((workingDirectory + "_tmpout").utf16()), GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, &sa,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
}
si.hStdError = CreateFile((const WCHAR *)((workingDirectory + "_tmperr").utf16()), GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, &sa,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
QString values = environment.toStringList().join(QChar('\0')) + '\0';
if (! CreateProcess(NULL, (WCHAR *)(QString("\"%1\" %2").arg(executableFile, arguments).utf16()), NULL, &sa,
TRUE, HIGH_PRIORITY_CLASS | CREATE_NO_WINDOW, (LPVOID)(values.toLocal8Bit().data()),
(const WCHAR *)(workingDirectory.utf16()), &si, &pi))
{
if (task->getStandardInputCheck()) CloseHandle(si.hStdInput);
if (task->getStandardOutputCheck()) CloseHandle(si.hStdOutput);
CloseHandle(si.hStdError);
score = 0;
result = CannotStartProgram;
return;
}
PROCESS_MEMORY_COUNTERS_EX info;
ZeroMemory(&info, sizeof(info));
info.cb = sizeof(info);
if (memoryLimit != -1)
{
GetProcessMemoryInfo(pi.hProcess, (PROCESS_MEMORY_COUNTERS *) &info, sizeof(info));
if (qMax(info.PrivateUsage, info.PeakWorkingSetSize) > memoryLimit * 1024 * 1024)
{
TerminateProcess(pi.hProcess, 0);
if (task->getStandardInputCheck()) CloseHandle(si.hStdInput);
if (task->getStandardOutputCheck()) CloseHandle(si.hStdOutput);
CloseHandle(si.hStdError);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
score = 0;
result = MemoryLimitExceeded;
memoryUsed = timeUsed = -1;
return;
}
}
bool flag = false;
QElapsedTimer timer;
timer.start();
while (timer.elapsed() <= timeLimit + extraTime)
{
if (WaitForSingleObject(pi.hProcess, 0) == WAIT_OBJECT_0)
{
flag = true;
break;
}
if (memoryLimit != -1)
{
GetProcessMemoryInfo(pi.hProcess, (PROCESS_MEMORY_COUNTERS *) &info, sizeof(info));
if (qMax(info.PrivateUsage, info.PeakWorkingSetSize) > memoryLimit * 1024U * 1024)
{
TerminateProcess(pi.hProcess, 0);
if (task->getStandardInputCheck()) CloseHandle(si.hStdInput);
if (task->getStandardOutputCheck()) CloseHandle(si.hStdOutput);
CloseHandle(si.hStdError);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
score = 0;
result = MemoryLimitExceeded;
memoryUsed = timeUsed = -1;
return;
}
}
QCoreApplication::processEvents();
if (stopJudging)
{
TerminateProcess(pi.hProcess, 0);
if (task->getStandardInputCheck()) CloseHandle(si.hStdInput);
if (task->getStandardOutputCheck()) CloseHandle(si.hStdOutput);
CloseHandle(si.hStdError);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
return;
}
Sleep(10);
}
if (! flag)
{
TerminateProcess(pi.hProcess, 0);
if (task->getStandardInputCheck()) CloseHandle(si.hStdInput);
if (task->getStandardOutputCheck()) CloseHandle(si.hStdOutput);
CloseHandle(si.hStdError);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
score = 0;
result = TimeLimitExceeded;
timeUsed = -1;
return;
}
unsigned long exitCode;
GetExitCodeProcess(pi.hProcess, &exitCode);
if (exitCode != 0)
{
if (task->getStandardInputCheck()) CloseHandle(si.hStdInput);
if (task->getStandardOutputCheck()) CloseHandle(si.hStdOutput);
CloseHandle(si.hStdError);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
score = 0;
result = RunTimeError;
QFile file(workingDirectory + "_tmperr");
if (file.open(QFile::ReadOnly))
{
QTextStream stream(&file);
message = stream.readAll();
file.close();
}