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增加判题中的日志记录，没有测试

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This commit is contained in:
virusdefender 2015-09-12 19:21:43 +08:00
parent ee9951abf1
commit 1dc0e8b742
11 changed files with 47 additions and 217 deletions
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24
judge/judger/client.py
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@ -7,9 +7,9 @@ from multiprocessing import Pool
from settings import max_running_number, lrun_gid, lrun_uid, judger_workspace
from language import languages
from result import result
from compiler import compile_
from judge_exceptions import JudgeClientError, CompileError
from judge_exceptions import JudgeClientError
from utils import parse_lrun_output
from logger import logger
# 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
@ -82,6 +82,8 @@ class JudgeClient(object):
# 倒序找到MEMORY的位置
output_start = output.rfind("MEMORY")
if output_start == -1:
logger.error("Lrun result parse error")
logger.error(output)
raise JudgeClientError("Lrun result parse error")
# 如果不是0，说明lrun输出前面有输出，也就是程序的stderr有内容
if output_start != 0:
@ -123,21 +125,23 @@ class JudgeClient(object):
run_result["test_case_id"] = test_case_id
# 如果返回值非0 或者信号量不是0 或者程序的stderr有输出 代表非正常结束
if run_result["exit_code"] or run_result["term_sig"] or run_result["siginaled"] or error:
run_result["result"] = result["runtime_error"]
return run_result
# 代表内存或者时间超过限制了
# 代表内存或者时间超过限制了 程序被终止掉 要在runtime error 之前判断
if run_result["exceed"]:
if run_result["exceed"] == "memory":
run_result["result"] = result["memory_limit_exceeded"]
elif run_result["exceed"] in ["cpu_time", "real_time"]:
run_result["result"] = result["time_limit_exceeded"]
else:
logger.error("Error exceeded type: " + run_result["exceed"])
logger.error(output)
raise JudgeClientError("Error exceeded type: " + run_result["exceed"])
return run_result
# 如果返回值非0 或者信号量不是0 或者程序的stderr有输出 代表非正常结束
if run_result["exit_code"] or run_result["term_sig"] or run_result["siginaled"] or error:
run_result["result"] = result["runtime_error"]
return run_result
# 下面就是代码正常运行了 需要判断代码的输出是否正确
if self._compare_output(test_case_id):
run_result["result"] = result["accepted"]
@ -160,8 +164,8 @@ class JudgeClient(object):
try:
results.append(item.get())
except Exception as e:
# todo logging
print e
logger.error("system error")
logger.error(e)
results.append({"result": result["system_error"]})
return results

5
judge/judger/compiler.py
View File

@ -4,6 +4,7 @@ import commands
from settings import lrun_uid, lrun_gid
from judge_exceptions import CompileError, JudgeClientError
from utils import parse_lrun_output
from logger import logger
def compile_(language_item, src_path, exe_path):
@ -22,6 +23,8 @@ def compile_(language_item, src_path, exe_path):
output_start = output.rfind("MEMORY")
if output_start == -1:
logger.error("Compiler error")
logger.error(output)
raise JudgeClientError("Error running compiler in lrun")
# 返回值不为 0 或者 stderr 中 lrun 的输出之前有 erro r字符串
@ -33,5 +36,7 @@ def compile_(language_item, src_path, exe_path):
parse_result = parse_lrun_output(output[output_start:])
if parse_result["exit_code"] or parse_result["term_sig"] or parse_result["siginaled"] or parse_result["exceed"]:
logger.error("Compiler error")
logger.error(output)
raise CompileError("Compile error")
return exe_path

8
judge/judger/logger.py Normal file
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@ -0,0 +1,8 @@
# coding=utf-8
import logging
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s [%(threadName)s:%(thread)d] [%(name)s:%(lineno)d] [%(module)s:%(funcName)s] [%(levelname)s]- %(message)s',
filename='log/judge.log')
logger = logging

163
judge/judger/loose_client.py
View File

@ -1,163 +0,0 @@
# coding=utf-8
import json
import commands
import hashlib
from multiprocessing import Pool
from settings import max_running_number, lrun_gid, lrun_uid, judger_workspace
from language import languages
from result import result
from compiler import compile_
from judge_exceptions import JudgeClientError, CompileError
from utils import parse_lrun_output
# 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
# http://stackoverflow.com/questions/1816958/cant-pickle-type-instancemethod-when-using-pythons-multiprocessing-pool-ma/7309686
def _run(instance, test_case_id):
return instance._judge_one(test_case_id)
class JudgeClient(object):
def __init__(self, language_code, exe_path, max_cpu_time,
max_real_time, max_memory, test_case_dir):
"""
:param language_code: 语言编号
:param exe_path: 可执行文件路径
:param max_cpu_time: 最大cpu时间，单位ms
:param max_real_time: 最大执行时间，单位ms
:param max_memory: 最大内存，单位MB
:param test_case_dir: 测试用例文件夹路径
:return:返回结果list
"""
self._language = languages[language_code]
self._exe_path = exe_path
self._max_cpu_time = max_cpu_time
self._max_real_time = max_real_time
self._max_memory = max_memory
self._test_case_dir = test_case_dir
# 进程池
self._pool = Pool(processes=max_running_number)
def _generate_command(self, test_case_id):
"""
设置相关运行限制 进制访问网络 如果启用tmpfs 就把代码输出写入tmpfs，否则写入硬盘
"""
# todo 系统调用白名单 chroot等参数
command = "lrun" + \
" --max-cpu-time " + str(self._max_cpu_time / 1000.0) + \
" --max-real-time " + str(self._max_real_time / 1000.0 * 2) + \
" --max-memory " + str(self._max_memory * 1000 * 1000) + \
" --network false" + \
" --uid " + str(lrun_uid) + \
" --gid " + str(lrun_gid)
execute_command = self._language["execute_command"].format(exe_path=self._exe_path)
command += (" " +
execute_command +
# 0就是stdin
" 0<" + self._test_case_dir + str(test_case_id) + ".in" +
# 1就是stdout
" 1>" + judger_workspace + str(test_case_id) + ".out" +
# 3是stderr，包含lrun的输出和程序的异常输出
" 3>&2")
return command
def _parse_lrun_output(self, output):
# 要注意的是 lrun把结果输出到了stderr，所以有些情况下lrun的输出可能与程序的一些错误输出的混合的，要先分离一下
error = None
# 倒序找到MEMORY的位置
output_start = output.rfind("MEMORY")
if output_start == -1:
raise JudgeClientError("Lrun result parse error")
# 如果不是0，说明lrun输出前面有输出，也就是程序的stderr有内容
if output_start != 0:
error = output[0:output_start]
# 分离出lrun的输出
output = output[output_start:]
return error, parse_lrun_output(output)
def _compare_output(self, test_case_id):
output_path = judger_workspace + str(test_case_id) + ".out"
try:
f = open(output_path, "r")
except IOError:
# 文件不存在等引发的异常 返回结果错误
return False
try:
std = open(self._test_case_dir+test_case_id+".out", "r")
except IOError:
# 文件不存在等引发的异常 返回结果错误
return False
lines=std.readline()
line_conut = len(lines)
for i in range(0, line_conut-2):
if lines[i]
def _judge_one(self, test_case_id):
# 运行lrun程序 接收返回值
command = self._generate_command(test_case_id)
status_code, output = commands.getstatusoutput(command)
if status_code:
raise JudgeClientError(output)
error, run_result = self._parse_lrun_output(output)
run_result["test_case_id"] = test_case_id
# 如果返回值非0 或者信号量不是0 或者程序的stderr有输出 代表非正常结束
if run_result["exit_code"] or run_result["term_sig"] or run_result["siginaled"] or error:
run_result["result"] = result["runtime_error"]
return run_result
# 代表内存或者时间超过限制了
if run_result["exceed"]:
if run_result["exceed"] == "memory":
run_result["result"] = result["memory_limit_exceeded"]
elif run_result["exceed"] in ["cpu_time", "real_time"]:
run_result["result"] = result["time_limit_exceeded"]
else:
raise JudgeClientError("Error exceeded type: " + run_result["exceed"])
return run_result
# 下面就是代码正常运行了 需要判断代码的输出是否正确
if self._compare_output(test_case_id):
run_result["result"] = result["accepted"]
else:
run_result["result"] = result["wrong_answer"]
return run_result
def run(self):
# 添加到任务队列
_results = []
results = []
for i in range(self._test_case_info["test_case_number"]):
_results.append(self._pool.apply_async(_run, (self, i + 1)))
self._pool.close()
self._pool.join()
for item in _results:
# 注意多进程中的异常只有在get()的时候才会被引发
# http://stackoverflow.com/questions/22094852/how-to-catch-exceptions-in-workers-in-multiprocessing
try:
results.append(item.get())
except Exception as e:
# todo logging
print e
results.append({"result": result["system_error"]})
return results
def __getstate__(self):
# 不同的pool之间进行pickle的时候要排除自己，否则报错
# http://stackoverflow.com/questions/25382455/python-notimplementederror-pool-objects-cannot-be-passed-between-processes
self_dict = self.__dict__.copy()
del self_dict['_pool']
return self_dict

20
judge/judger/run.py
View File

@ -2,21 +2,13 @@
import sys
import json
import MySQLdb
import os
# 判断判题模式
judge_model = os.environ.get("judge_model", "default")
if judge_model == "default":
from client import JudgeClient
elif judge_model == "loose":
from loose_client import JudgeClient
from client import JudgeClient
from language import languages
from compiler import compile_
from result import result
from settings import judger_workspace
from settings import submission_db
from settings import judger_workspace, submission_db
from logger import logger
# 简单的解析命令行参数
@ -67,7 +59,6 @@ except Exception as e:
conn.commit()
exit()
print "Compile successfully"
# 运行
try:
client = JudgeClient(language_code=language_code,
@ -87,16 +78,13 @@ try:
judge_result["accepted_answer_time"] = l[-1]["cpu_time"]
except Exception as e:
print e
logger.error(e)
conn = db_conn()
cur = conn.cursor()
cur.execute("update submission set result=%s, info=%s where id=%s", (result["system_error"], str(e), submission_id))
conn.commit()
exit()
print "Run successfully"
print judge_result
conn = db_conn()
cur = conn.cursor()
cur.execute("update submission set result=%s, info=%s, accepted_answer_time=%s where id=%s",

9
judge/judger_controller/logger.py Normal file
View File

@ -0,0 +1,9 @@
# coding=utf-8
import logging
# 此处的 celery 代码如果在 docker 中运行，需要将filename 修改为映射路径
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s [%(threadName)s:%(thread)d] [%(name)s:%(lineno)d] [%(module)s:%(funcName)s] [%(levelname)s]- %(message)s',
filename='/var/log/judge.log')
logger = logging

2
judge/judger_controller/settings.py
View File

@ -19,6 +19,8 @@ docker_config = {
test_case_dir = "/var/mnt/source/test_case/"
# 源代码路径，也就是 manage.py 所在的实际路径
source_code_dir = "/var/mnt/source/OnlineJudge/"
# 日志文件夹路径
log_dir = "/var/log/"
# 存储提交信息的数据库，是 celery 使用的，与 oj.settings/local_settings 等区分，那是 web 服务器访问的地址

7
judge/judger_controller/tasks.py
View File

@ -5,7 +5,8 @@ import MySQLdb
import subprocess
from ..judger.result import result
from ..judger_controller.celery import app
from settings import docker_config, source_code_dir, test_case_dir, submission_db, redis_config
from logger import logger
from settings import docker_config, source_code_dir, test_case_dir, log_dir, submission_db, redis_config
@app.task
@ -14,17 +15,19 @@ def judge(submission_id, time_limit, memory_limit, test_case_id):
command = "%s run -t -i --privileged --rm=true " \
"-v %s:/var/judger/test_case/ " \
"-v %s:/var/judger/code/ " \
"-v %s:/var/judger/code/log/ " \
"%s " \
"python judge/judger/run.py " \
"--solution_id %s --time_limit %s --memory_limit %s --test_case_id %s" % \
(docker_config["docker_path"],
test_case_dir,
source_code_dir,
log_dir,
docker_config["image_name"],
submission_id, str(time_limit), str(memory_limit), test_case_id)
subprocess.call(command, shell=docker_config["shell"])
except Exception as e:
print e
logger.error(e)
conn = MySQLdb.connect(db=submission_db["db"],
user=submission_db["user"],
passwd=submission_db["password"],

12
judge/tests/c/cpu_time_timeout.c
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@ -1,12 +0,0 @@
#include <stdio.h>
int main()
{
int a = 0;
int i = 0;
for(i = 0; i < 9999999999;i++)
{
a += i;
}
printf("%d", a);
return 0;
}

6
judge/tests/c/real_time_timeout.c
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@ -1,6 +0,0 @@
#include <stdio.h>
#include <unistd.h>
int main()
{
}

8
judge/tests/c/success.c
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@ -1,8 +0,0 @@
# include <stdio.h>
int main()
{
int a, b;
scanf("%d %d", &a, &b);
printf("%d", a + b);
return 0;
}