mirror of
https://github.com/QingdaoU/JudgeServer.git
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243 lines
12 KiB
Python
243 lines
12 KiB
Python
import _judger
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import hashlib
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import json
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import os
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import shutil
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from multiprocessing import Pool
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import psutil
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from config import TEST_CASE_DIR, JUDGER_RUN_LOG_PATH, RUN_GROUP_GID, RUN_USER_UID, SPJ_EXE_DIR, SPJ_USER_UID, SPJ_GROUP_GID, RUN_GROUP_GID
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from exception import JudgeClientError
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from utils import ProblemIOMode
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SPJ_WA = 1
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SPJ_AC = 0
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SPJ_ERROR = -1
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def _run(instance, test_case_file_id):
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return instance._judge_one(test_case_file_id)
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class JudgeClient(object):
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def __init__(self, run_config, exe_path, max_cpu_time, max_memory, test_case_dir,
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submission_dir, spj_version, spj_config, io_mode, test_case_score, output=False):
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self._run_config = run_config
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self._exe_path = exe_path
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self._max_cpu_time = max_cpu_time
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self._max_memory = max_memory
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self._max_real_time = self._max_cpu_time * 3
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self._test_case_dir = test_case_dir
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self._submission_dir = submission_dir
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self._pool = Pool(processes=psutil.cpu_count())
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self._test_case_info = self._load_test_case_info()
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self._spj_version = spj_version
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self._spj_config = spj_config
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self._output = output
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self._io_mode = io_mode
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self._test_case_score=test_case_score
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if self._spj_version and self._spj_config:
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self._spj_exe = os.path.join(SPJ_EXE_DIR,
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self._spj_config["exe_name"].format(spj_version=self._spj_version))
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if not os.path.exists(self._spj_exe):
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raise JudgeClientError("spj exe not found")
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def _load_test_case_info(self):
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try:
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with open(os.path.join(self._test_case_dir, "info")) as f:
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return json.load(f)
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except IOError:
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raise JudgeClientError("Test case not found")
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except ValueError:
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raise JudgeClientError("Bad test case config")
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def _get_test_case_file_info(self, test_case_file_id):
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return self._test_case_info["test_cases"][test_case_file_id]
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def _compare_output(self, test_case_file_id, user_output_file):
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# todo feed slice
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with open(user_output_file, "rb") as f:
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content = f.read()
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output_md5 = hashlib.md5(content.rstrip()).hexdigest()
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result = output_md5 == self._get_test_case_file_info(test_case_file_id)["stripped_output_md5"]
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return output_md5, result
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def _spj(self, in_file_path, input_name, out_file_path, user_out_file_path, user_output_dir):
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os.chown(self._submission_dir, SPJ_USER_UID, 0)
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custom_score_file_path = os.path.join(user_output_dir, "custom_score")
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extra_file_path = os.path.join(user_output_dir, "extra")
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open(custom_score_file_path, "w").close()
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open(extra_file_path, "w").close()
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for f in (custom_score_file_path, extra_file_path, user_out_file_path):
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os.chown(f, SPJ_USER_UID, 0)
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os.chmod(f, 0o740)
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test_case_score = 0
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for item in self._test_case_score:
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if item["input_name"] == input_name:
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test_case_score = item["score"]
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break
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command = self._spj_config["command"].format(exe_path=self._spj_exe,
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in_file_path=in_file_path,
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out_file_path=out_file_path,
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user_output_dir=user_output_dir,
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user_out_file_path=user_out_file_path,
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score=test_case_score,
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custom_score_file_path=custom_score_file_path,
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extra_file_path=extra_file_path).split(" ")
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seccomp_rule_name = self._spj_config["seccomp_rule"]
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result = _judger.run(max_cpu_time=self._max_cpu_time * 3,
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max_real_time=self._max_cpu_time * 9,
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max_memory=self._max_memory * 3,
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max_stack=128 * 1024 * 1024,
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max_output_size=1024 * 1024 * 1024,
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max_process_number=_judger.UNLIMITED,
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exe_path=command[0],
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input_path=in_file_path,
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output_path="/tmp/spj.out",
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error_path="/tmp/spj.out",
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args=command[1::],
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env=["PATH=" + os.environ.get("PATH", "")],
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log_path=JUDGER_RUN_LOG_PATH,
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seccomp_rule_name=seccomp_rule_name,
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uid=SPJ_USER_UID,
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gid=SPJ_GROUP_GID)
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if result["result"] != _judger.RESULT_SUCCESS:
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return {"result": SPJ_ERROR, "extra": "Special Judge failed, info: " + str(result), "score": 0}
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try:
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with open(extra_file_path) as f:
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extra = f.read()
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except Exception:
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extra = ""
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try:
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with open(custom_score_file_path) as f:
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custom_score_content = f.read().strip()
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custom_score = int(custom_score_content)
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except Exception as e:
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return {"result": SPJ_ERROR, "extra": "Failed to read custom score content: " + str(e) + "; " + extra, "score": 0}
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if custom_score < 0 or custom_score > test_case_score:
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return {"result": SPJ_ERROR, "extra": "Invalid custom score: " + str(custom_score) + "; Problem test case score is " + str(test_case_score) + "; " + extra,
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"score": 0}
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if custom_score == test_case_score:
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return {"result": SPJ_AC, "extra": extra, "score": custom_score}
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else:
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return {"result": SPJ_WA, "extra": extra, "score": custom_score}
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def _judge_one(self, test_case_file_id):
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test_case_info = self._get_test_case_file_info(test_case_file_id)
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input_name = test_case_info["input_name"]
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in_file = os.path.join(self._test_case_dir, input_name)
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user_output_dir = os.path.join(self._submission_dir, str(test_case_file_id))
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os.mkdir(user_output_dir)
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os.chown(user_output_dir, RUN_USER_UID, RUN_GROUP_GID)
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os.chmod(user_output_dir, 0o711)
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os.chdir(user_output_dir)
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if self._io_mode["io_mode"] == ProblemIOMode.file:
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# todo check permission
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user_output_file = os.path.join(user_output_dir, self._io_mode["output"])
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real_user_output_file = os.path.join(user_output_dir, "stdio.txt")
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shutil.copyfile(in_file, os.path.join(user_output_dir, self._io_mode["input"]))
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kwargs = {"input_path": in_file, "output_path": real_user_output_file, "error_path": real_user_output_file}
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else:
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real_user_output_file = user_output_file = os.path.join(user_output_dir, test_case_file_id + ".out")
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kwargs = {"input_path": in_file, "output_path": real_user_output_file, "error_path": real_user_output_file}
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command = self._run_config["command"].format(exe_path=self._exe_path, exe_dir=os.path.dirname(self._exe_path),
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max_memory=int(self._max_memory / 1024)).split(" ")
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env = ["PATH=" + os.environ.get("PATH", "")] + self._run_config.get("env", [])
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seccomp_rule = self._run_config["seccomp_rule"]
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if isinstance(seccomp_rule, dict):
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seccomp_rule = seccomp_rule[self._io_mode["io_mode"]]
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run_result = _judger.run(max_cpu_time=self._max_cpu_time,
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max_real_time=self._max_real_time,
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max_memory=self._max_memory,
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max_stack=128 * 1024 * 1024,
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max_output_size=max(test_case_info.get("output_size", 0) * 2, 1024 * 1024 * 16),
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max_process_number=_judger.UNLIMITED,
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exe_path=command[0],
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args=command[1::],
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env=env,
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log_path=JUDGER_RUN_LOG_PATH,
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seccomp_rule_name=seccomp_rule,
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uid=RUN_USER_UID,
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gid=RUN_GROUP_GID,
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memory_limit_check_only=self._run_config.get("memory_limit_check_only", 0),
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**kwargs)
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run_result["test_case"] = test_case_file_id
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run_result["score"] = 0
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# if progress exited normally, then we should check output result
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run_result["output_md5"] = None
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run_result["output"] = None
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if run_result["result"] == _judger.RESULT_SUCCESS:
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if not os.path.exists(user_output_file):
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run_result["result"] = _judger.RESULT_WRONG_ANSWER
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else:
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if self._test_case_info.get("spj"):
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if not self._spj_config or not self._spj_version:
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raise JudgeClientError("spj_config or spj_version not set")
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spj_result = self._spj(in_file_path=in_file,
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input_name=input_name,
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out_file_path=os.path.join(self._test_case_dir, test_case_info["output_name"]),
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user_out_file_path=user_output_file,
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user_output_dir=user_output_dir)
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if spj_result["result"] == SPJ_ERROR:
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run_result["result"] = _judger.RESULT_SYSTEM_ERROR
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run_result["error"] = _judger.ERROR_SPJ_ERROR
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elif spj_result["result"] == SPJ_AC:
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run_result["result"] = _judger.RESULT_SUCCESS
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run_result["error"] = _judger.RESULT_SUCCESS
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elif spj_result["result"] == SPJ_WA:
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run_result["result"] = _judger.RESULT_WRONG_ANSWER
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run_result["error"] = _judger.RESULT_SUCCESS
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run_result["extra"] = spj_result["extra"]
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run_result["score"] = spj_result["score"]
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else:
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run_result["output_md5"], is_ac = self._compare_output(test_case_file_id, user_output_file)
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# -1 == Wrong Answer
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if not is_ac:
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run_result["result"] = _judger.RESULT_WRONG_ANSWER
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if self._output:
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try:
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with open(user_output_file, "rb") as f:
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run_result["output"] = f.read().decode("utf-8", errors="backslashreplace")
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except Exception:
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pass
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return run_result
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def run(self):
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tmp_result = []
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result = []
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for test_case_file_id, _ in self._test_case_info["test_cases"].items():
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tmp_result.append(self._pool.apply_async(_run, (self, test_case_file_id)))
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self._pool.close()
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self._pool.join()
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for item in tmp_result:
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# exception will be raised, when get() is called
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# # http://stackoverflow.com/questions/22094852/how-to-catch-exceptions-in-workers-in-multiprocessing
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result.append(item.get())
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return result
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def __getstate__(self):
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# http://stackoverflow.com/questions/25382455/python-notimplementederror-pool-objects-cannot-be-passed-between-processes
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self_dict = self.__dict__.copy()
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del self_dict["_pool"]
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return self_dict
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