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https://github.com/QingdaoU/OnlineJudge.git
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给编译器也增加超时保护
比如使用include</dev/random>就可能导致编译器卡死，增加了一个编译超时。 重命名了exception模块 整理了部分格式
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virusdefender
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d85ed0a2ec
commit
dd7fe6ee44
@ -8,9 +8,8 @@ from settings import max_running_number, lrun_gid, lrun_uid, judger_workspace
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from language import languages
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from result import result
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from compiler import compile_
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class JudgeClientException(Exception):
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pass
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from judge_exceptions import JudgeClientException, CompileError
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from utils import parse_lrun_output
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# 下面这个函数作为代理访问实例变量，否则Python2会报错，是Python2的已知问题
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@ -51,21 +50,6 @@ class JudgeClient(object):
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raise JudgeClientException("Test case config file not found")
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except ValueError:
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raise JudgeClientException("Test case config file format error")
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# return {"test_case_number": 2,
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# "test_cases":
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# {
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# "1": {"input_name": "1.in",
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# "output_name": "1.out",
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# "output_md5": "b10a8db164e0754105b7a99be72e3fe5",
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# "output_size": 100},
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#
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# "2": {"input_name": "2.in",
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# "output_name": "2.out",
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# "output_md5": "3e25960a79dbc69b674cd4ec67a72c62",
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# "output_size": 100}
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# },
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# "output_total_size": 200
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# }
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def _generate_command(self, test_case_id):
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"""
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@ -104,41 +88,8 @@ class JudgeClient(object):
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error = output[0:output_start]
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# 分离出lrun的输出
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output = output[output_start:]
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lines = output.split("\n")
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if len(lines) != 7:
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raise JudgeClientException("Lrun result parse error")
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result = {}
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# 将lrun输出的各种带下划线 不带下划线的字符串统一处理
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translate = {"MEMORY": "memory",
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"CPUTIME": "cpu_time",
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"CPU_TIME": "cpu_time",
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"REALTIME": "real_time",
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"REAL_TIME": "real_time",
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"TERMSIG": "term_sig",
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"SIGNALED": "siginaled",
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"EXITCODE": "exit_code",
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"EXCEED": "exceed"}
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for line in lines:
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name = line[:9].strip(" ")
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value = line[9:]
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if name == "MEMORY":
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result[translate[name]] = int(value)
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elif name == "CPUTIME":
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result[translate[name]] = int(float(value) * 1000)
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elif name == "REALTIME":
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result[translate[name]] = int(float(value) * 1000)
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elif name == "EXITCODE":
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result[translate[name]] = int(value)
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elif name == "TERMSIG":
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result[translate[name]] = int(value)
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elif name == "SIGNALED":
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result[translate[name]] = int(value)
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elif name == "EXCEED":
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if value == "none":
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result[translate[name]] = None
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else:
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result[translate[name]] = translate[value]
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return error, result
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return error, parse_lrun_output(output)
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def _compare_output(self, test_case_id):
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test_case_md5 = self._test_case_info["test_cases"][str(test_case_id)]["output_md5"]
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@ -188,7 +139,6 @@ class JudgeClient(object):
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return run_result
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# 下面就是代码正常运行了 需要判断代码的输出是否正确
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if self._compare_output(test_case_id):
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run_result["result"] = result["accepted"]
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else:
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@ -210,6 +160,7 @@ class JudgeClient(object):
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try:
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results.append(item.get())
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except Exception as e:
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# todo logging
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print e
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results.append({"result": result["system_error"]})
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return results
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@ -225,11 +176,10 @@ class JudgeClient(object):
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c_src = r"""
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#include <stdio.h>
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#include </dev/random>
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int main()
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{
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FILE *fp;
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fp = NULL;
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fprintf(fp, "This is testing for fprintf...\n");
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fputs("This is testing for fputs...\n", fp);
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@ -256,7 +206,7 @@ int main()
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java_src = r"""
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import java.io.*;
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import java.util.*;
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11
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public class Main
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{
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public static void main(String[] args)
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@ -279,16 +229,20 @@ def judge(languege_code, source_string):
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f.write(source_string)
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f.close()
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try:
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exe_path = compile_(languages[str(languege_code)], src_path, judger_workspace)
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except Exception as e:
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print e
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return [{"result": result["compile_error"]}]
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client = JudgeClient(language_code=languege_code,
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exe_path=compile_(languages[str(languege_code)],
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src_path,
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judger_workspace),
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exe_path=exe_path,
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max_cpu_time=1000000,
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max_real_time=200000,
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max_memory=1000,
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test_case_dir="/var/test_cases/1/")
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print client.run()
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return client.run()
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judge(1, c_src)
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judge(2, cpp_src)
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judge(3, java_src)
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print judge(1, c_src)
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print judge(2, cpp_src)
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print judge(3, java_src)
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@ -1,14 +1,37 @@
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# coding=utf-8
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import commands
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class CompileError(Exception):
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pass
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from settings import lrun_uid, lrun_gid
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from judge_exceptions import CompileError
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from utils import parse_lrun_output
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def compile_(language_item, src_path, exe_path):
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command = language_item["compile_command"].format(src_path=src_path, exe_path=exe_path)
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status, output = commands.getstatusoutput(command)
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if status:
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raise CompileError(output)
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compile_command = language_item["compile_command"].format(src_path=src_path, exe_path=exe_path)
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# 防止编译器卡死 或者 include </dev/random>等
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execute_command = "lrun" + \
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" --max-real-time 5" + \
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" --uid " + str(lrun_uid) + \
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" --gid " + str(lrun_gid) + \
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" " + \
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compile_command + \
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" 3>&2"
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status, output = commands.getstatusoutput(execute_command)
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output_start = output.rfind("MEMORY")
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if output_start == -1:
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raise CompileError("Error running compiler in lrun")
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# 返回值不为0 或者 stderr中lrun的输出之前有东西
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if status or output_start:
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raise CompileError(output[0:output_start])
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parse_result = parse_lrun_output(output)
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if parse_result["exit_code"] or parse_result["term_sig"] or parse_result["siginaled"] or parse_result["exceed"]:
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raise CompileError("Compile error")
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# 对于正常编译和超时等其他的错误
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return exe_path
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9
judge/judge_exceptions.py
Normal file
9
judge/judge_exceptions.py
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@ -0,0 +1,9 @@
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# coding=utf-8
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class JudgeClientException(Exception):
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pass
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class CompileError(Exception):
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pass
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@ -1,7 +1,6 @@
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# coding=utf-8
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languages = {
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"1": {
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"name": "c",
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@ -1,12 +1,14 @@
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# coding=utf-8
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result = {"accepted": 0,
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"runtime_error": 1,
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"time_limit_exceeded": 2,
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"memory_limit_exceeded": 3,
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"compile_error": 4,
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"format_error": 5,
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"wrong_answer": 6,
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"system_error": 7,
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"waiting": 8}
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result = {
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"accepted": 0,
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"runtime_error": 1,
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"time_limit_exceeded": 2,
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"memory_limit_exceeded": 3,
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"compile_error": 4,
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"format_error": 5,
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"wrong_answer": 6,
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"system_error": 7,
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"waiting": 8
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}
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