S2OJ/web/app/libs/uoj-judger-lib.php

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2016-07-18 16:39:37 +00:00
<?php
global $uojSupportedLanguages, $uojMainJudgerWorkPath;
$uojSupportedLanguages = array('C++', 'Python2.7', 'Java8', 'C++11', 'Python3', 'Java11', 'C', 'Pascal');
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$uojMainJudgerWorkPath = "/home/local_main_judger/judge_client/uoj_judger";
function authenticateJudger() {
if (!is_string($_POST['judger_name']) || !is_string($_POST['password'])) {
return false;
}
$esc_judger_name = DB::escape($_POST['judger_name']);
$judger = DB::selectFirst("select password from judger_info where judger_name = '$esc_judger_name'");
if ($judger == null) {
return false;
}
return $judger['password'] == $_POST['password'];
}
function judgerCodeStr($code) {
switch ($code) {
case 0:
return "Accepted";
case 1:
return "Wrong Answer";
case 2:
return "Runtime Error";
case 3:
return "Memory Limit Exceeded";
case 4:
return "Time Limit Exceeded";
case 5:
return "Output Limit Exceeded";
case 6:
return "Dangerous Syscalls";
case 7:
return "Judgement Failed";
default:
return "No Comment";
}
}
class StrictFileReader {
private $f;
private $buf = '', $off = 0;
public function __construct($file_name) {
$this->f = fopen($file_name, 'r');
}
public function failed() {
return $this->f === false;
}
public function readChar() {
if (isset($this->buf[$this->off])) {
return $this->buf[$this->off++];
}
return fgetc($this->f);
}
public function unreadChar($c) {
$this->buf .= $c;
if ($this->off > 1000) {
$this->buf = substr($this->buf, $this->off);
$this->off = 0;
}
}
public function readString() {
$str = '';
while (true) {
$c = $this->readChar();
if ($c === false) {
break;
} elseif ($c === " " || $c === "\n" || $c === "\r") {
$this->unreadChar($c);
break;
} else {
$str .= $c;
}
}
return $str;
}
public function ignoreWhite() {
while (true) {
$c = $this->readChar();
if ($c === false) {
break;
} elseif ($c === " " || $c === "\n" || $c === "\r") {
continue;
} else {
$this->unreadChar($c);
break;
}
}
}
public function eof() {
return feof($this->f);
}
public function close() {
fclose($this->f);
}
}
function getUOJConf($file_name) {
$reader = new StrictFileReader($file_name);
if ($reader->failed()) {
return -1;
}
$conf = array();
while (!$reader->eof()) {
$reader->ignoreWhite();
$key = $reader->readString();
if ($key === '') {
break;
}
$reader->ignoreWhite();
$val = $reader->readString();
if ($val === '') {
break;
}
if (isset($conf[$key])) {
return -2;
}
$conf[$key] = $val;
}
$reader->close();
return $conf;
}
function putUOJConf($file_name, $conf) {
$f = fopen($file_name, 'w');
foreach ($conf as $key => $val) {
fwrite($f, "$key $val\n");
}
fclose($f);
}
function getUOJConfVal($conf, $key, $default_val) {
if (isset($conf[$key])) {
return $conf[$key];
} else {
return $default_val;
}
}
function getUOJProblemInputFileName($problem_conf, $num) {
return getUOJConfVal($problem_conf, 'input_pre', 'input') . $num . '.' . getUOJConfVal($problem_conf, 'input_suf', 'txt');
}
function getUOJProblemOutputFileName($problem_conf, $num) {
return getUOJConfVal($problem_conf, 'output_pre', 'output') . $num . '.' . getUOJConfVal($problem_conf, 'output_suf', 'txt');
}
function getUOJProblemExtraInputFileName($problem_conf, $num) {
return 'ex_' . getUOJConfVal($problem_conf, 'input_pre', 'input') . $num . '.' . getUOJConfVal($problem_conf, 'input_suf', 'txt');
}
function getUOJProblemExtraOutputFileName($problem_conf, $num) {
return 'ex_' . getUOJConfVal($problem_conf, 'output_pre', 'output') . $num . '.' . getUOJConfVal($problem_conf, 'output_suf', 'txt');
}
function rejudgeProblem($problem) {
DB::query("update submissions set judge_time = NULL , result = '' , score = NULL , status = 'Waiting Rejudge' where problem_id = ${problem['id']}");
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}
function rejudgeProblemAC($problem) {
DB::query("update submissions set judge_time = NULL , result = '' , score = NULL , status = 'Waiting Rejudge' where problem_id = ${problem['id']} and score = 100");
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}
function rejudgeProblemGe97($problem) {
DB::query("update submissions set judge_time = NULL , result = '' , score = NULL , status = 'Waiting Rejudge' where problem_id = ${problem['id']} and score >= 97");
}
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function rejudgeSubmission($submission) {
DB::query("update submissions set judge_time = NULL , result = '' , score = NULL , status = 'Waiting Rejudge' where id = ${submission['id']}");
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}
function updateBestACSubmissions($username, $problem_id) {
$best = DB::selectFirst("select id, used_time, used_memory, tot_size from submissions where submitter = '$username' and problem_id = $problem_id and score = 100 order by used_time, used_memory, tot_size asc limit 1");
$shortest = DB::selectFirst("select id, used_time, used_memory, tot_size from submissions where submitter = '$username' and problem_id = $problem_id and score = 100 order by tot_size, used_time, used_memory asc limit 1");
DB::delete("delete from best_ac_submissions where submitter = '$username' and problem_id = $problem_id");
if ($best) {
DB::insert("insert into best_ac_submissions (problem_id, submitter, submission_id, used_time, used_memory, tot_size, shortest_id, shortest_used_time, shortest_used_memory, shortest_tot_size) values ($problem_id, '$username', ${best['id']}, ${best['used_time']}, ${best['used_memory']}, ${best['tot_size']}, ${shortest['id']}, ${shortest['used_time']}, ${shortest['used_memory']}, ${shortest['tot_size']})");
}
$cnt = DB::selectCount("select count(*) from best_ac_submissions where submitter='$username'");
DB::update("update user_info set ac_num = $cnt where username='$username'");
DB::update("update problems set ac_num = (select count(*) from submissions where problem_id = problems.id and score = 100), submit_num = (select count(*) from submissions where problem_id = problems.id) where id = $problem_id");
}
?>