Judge Server

a judge server implement in golang referred to QDU JudgeServer

install & depencies

packages needed:

Judger_GO (https://github.com/MarkLux/Judger_GO)
Gin (https://github.com/gin-gonic/gin)
Go.uuid (https://github.com/satori/go.uuid)
gopsutil (https://github.com/shirou/gopsutil)

prepare

Edit the config/consts.go to set the directories needed rightly (REMEMBER TO CHECK THE DIR PERMISSIONS !)

Install gcc,g++,python,javac language support before starting judge.

test cases

only .in&.out files in pair with same file name can be recognized.

usage

The package run in the way of gin webserver (defautly listen port 8090,you can change it in main.go)

Just run go run main.go to start the server!

API

this judge server currently doesn't support special judge,please waiting for further development.

ping ([GET] /ping)

get the server info.

response example:

{
    "action": "pong",
    "cpu": [
        0.13249921668799483
    ],
    "cpu_core": 2,
    "hostname": "0b35f2d21276",
    "judger_version": "0.1.0",
    "memory": 22.187548851023916
}

judge(not for specail judge) ([POST] /judge)

request example:

{
	"src":"# include<stdio.h> \n int main()\n  {\n printf(\"1\");\n return 0;\n}",
	"language":"c",
	"max_cpu_time":1000,
	"max_memory":395671011,
	"test_case_id":1001
}

response example:

{
    "code": 0,
    "data": {
        "Passed": [
            {
                "CpuTime": 0,
                "Result": 0,
                "RealTime": 9,
                "Memory": 4182016,
                "Signal": 0,
                "Error": 0,
                "OutputMD5": "c4ca4238a0b923820dcc509a6f75849b"
            }
        ],
        "UnPassed": [
            {
                "CpuTime": 0,
                "Result": -1,
                "RealTime": 8,
                "Memory": 4177920,
                "Signal": 0,
                "Error": 0,
                "OutputMD5": "c4ca4238a0b923820dcc509a6f75849b"
            }
        ]
    }
}

data contains results for each test case (with a .in and a .out file),with Accpted ones in Passed array and others in UnPassed array.

rsync ([GET] /rsync?tid=xxx)

this api is used to keep your testcases in sync with the main rsyncd service (you need deploy and start the rsyncd service on it).

on request with specific tid,it will call the command line to rsync the testcase dir which name is same with tid.

the rsyncd service server and the user is defined in environment vars.

caution: this api is still unstable. I recommend to use the shell script to keep the testcases in rsync(defined in rsync/rsync_shell.sh).

build & images

you can use build/Dockerfile to build the docker image to use

or use auto-build docker image from registry.cn-qingdao.aliyuncs.com/marklux/judge-server:latest

use docker image to deploy

if you have docker-compose then use the docker-compose.yml file,edit it fill your rpc_token and check the volume dirs,then run docker-compose up -d to start the server.

if you dont have docker-compose,just use the docker image in the original way:

# get the latest image
docker pull registry.cn-qingdao.aliyuncs.com/marklux/judge-server:latest
# make dir
mkdir -p judge/testcases judge/submissions judge/log judge/output
# run the container(an example)
docker run --name=judge_server -d -v $PWD/judge/testcases:/home/judge/testcases -v $PWD/judge/submissions:/home/judge/submissions -v $PWD/judge/log:/home/judge/log -v $PWD/judge/output:/home/judge/output -p 8090:8090 -e "RPC_TOKEN=abcdefg" -e "RSYNC_HOST=your_rsync.com" -e "RSYNC_USER=your_rsync_user" registry.cn-qingdao.aliyuncs.com/marklux/judge-server:latest

if you failed,remember to check the volumes' permission!

MarkLux/JudgeServer

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