163 lines
4.8 KiB
Python
163 lines
4.8 KiB
Python
import os
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import logging
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import sys
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import threading
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import typing
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import multiprocessing
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import functools
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import websockets
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from flask import Flask, flash, request, redirect, url_for, render_template, Response
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from werkzeug.utils import secure_filename
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if ".." not in sys.path:
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sys.path.append("..")
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UPLOAD_FOLDER = 'uploads'
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LOGS_FOLDER = 'logs'
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multidata_folder = os.path.join(UPLOAD_FOLDER, "multidata")
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os.makedirs(multidata_folder, exist_ok=True)
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os.makedirs(LOGS_FOLDER, exist_ok=True)
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def allowed_file(filename):
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return filename.endswith('multidata')
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app = Flask(__name__)
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app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
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app.config['MAX_CONTENT_LENGTH'] = 1 * 1024 * 1024 # 1 megabyte limit
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app.config["SECRET_KEY"] = os.urandom(32)
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name = "localhost"
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portrange = (49152, 65535)
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current_port = portrange[0]
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current_ports = {}
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current_multiworlds = {}
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class Multiworld():
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def __init__(self, file: str):
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self.port = get_next_port()
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self.multidata = file
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current_ports[self.port] = self
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current_multiworlds[self.multidata] = self
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self.process: typing.Optional[multiprocessing.Process] = None
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def start(self):
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if self.process and self.process.is_alive():
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return False
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logging.info(f"Spinning up {self.multidata}")
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self.process = multiprocessing.Process(group=None, target=run_server_process,
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args=(self.port, self.multidata),
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name="MultiHost" + str(self.port))
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self.process.start()
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def stop(self):
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if self.process:
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self.process.terminate()
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self.process = None
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del (current_ports[self.port])
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del (current_multiworlds[self.multidata])
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@app.route('/', methods=['GET', 'POST'])
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def upload_multidata():
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if request.method == 'POST':
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# check if the post request has the file part
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if 'file' not in request.files:
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flash('No file part')
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return redirect(request.url)
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file = request.files['file']
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# if user does not select file, browser also
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# submit an empty part without filename
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if file.filename == '':
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flash('No selected file')
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return redirect(request.url)
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if file and allowed_file(file.filename):
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filename = secure_filename(file.filename)
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file.save(os.path.join(multidata_folder, filename))
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return redirect(url_for('host_multidata',
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filename=filename))
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return render_template("upload_multidata.html")
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portlock = threading.Lock()
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def get_next_port() -> int:
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global current_port
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with portlock:
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while current_port in current_ports:
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if current_port >= portrange[1]:
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current_port = portrange[0]
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else:
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current_port += 1
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return current_port
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def _read_log(path: str):
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with open(path) as log:
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yield from log
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@app.route('/log/<filename>')
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def display_log(filename: str):
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# noinspection PyTypeChecker
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return Response(_read_log(os.path.join("logs", filename + ".txt")), mimetype="text/plain;charset=UTF-8")
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processstartlock = threading.Lock()
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@app.route('/hosted/<filename>')
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def host_multidata(filename: str = None):
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if not filename:
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return redirect(url_for('upload_multidata'))
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else:
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multidata = os.path.join(multidata_folder, filename)
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if multidata in current_multiworlds:
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multiworld = current_multiworlds[multidata]
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else:
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with processstartlock:
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multiworld = Multiworld(multidata)
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multiworld.start()
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return render_template("host_multidata.html", filename=filename, port=multiworld.port, name=name)
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def run_server_process(port: int, multidata: str):
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async def main():
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logging.basicConfig(format='[%(asctime)s] %(message)s',
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level=logging.INFO,
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filename=os.path.join(LOGS_FOLDER, os.path.split(multidata)[-1] + ".txt"))
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ctx = Context("", port, "", 1, 1000,
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True, "enabled", "goal")
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ctx.load(multidata, True)
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ctx.auto_shutdown = 24 * 60 * 60 # 24 hours
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ctx.init_save()
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ctx.server = websockets.serve(functools.partial(server, ctx=ctx), ctx.host, ctx.port, ping_timeout=None,
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ping_interval=None)
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logging.info(f'Hosting game at {name}:{ctx.port} (Password: {bool(ctx.password)})')
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await ctx.server
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while ctx.running:
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await asyncio.sleep(1)
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logging.info("Shutting down")
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import asyncio
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from MultiServer import Context, server
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loop = asyncio.get_event_loop()
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loop.run_until_complete(main())
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if __name__ == "__main__":
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multiprocessing.freeze_support()
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app.run()
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