96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
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# Copyright (c) 2020 Andika Wasisto
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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from flask import Flask, request, Response
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from flask_sockets import Sockets
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from gevent import pywsgi
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from geventwebsocket.handler import WebSocketHandler
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app = Flask(__name__)
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sockets = Sockets(app)
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from quanttp.data.qng_wrapper import QngWrapper
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qng_wrapper = QngWrapper()
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# from quanttp.data.qng_wrapper_mock import QngWrapperMock
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# qng_wrapper = QngWrapperMock()
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@app.route('/api/randint32')
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def api_randint32():
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return Response(str(qng_wrapper.randint32()), content_type='text/plain')
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@app.route('/api/randuniform')
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def api_randuniform():
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return Response(str(qng_wrapper.randuniform()), content_type='text/plain')
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@app.route('/api/randnormal')
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def api_randnormal():
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return Response(str(qng_wrapper.randnormal()), content_type='text/plain')
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@app.route('/api/randbytes')
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def api_randbytes():
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try:
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length = int(request.args.get('length'))
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return Response(qng_wrapper.randbytes(length), content_type='application/octet-stream')
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except ValueError as e:
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return Response(str(e), status=400, content_type='text/plain')
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@app.route('/api/reset')
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def api_reset():
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qng_wrapper.reset()
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return Response('OK', content_type='text/plain')
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@sockets.route('/ws')
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def ws(websocket):
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while not websocket.closed:
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try:
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message = websocket.receive().strip().lower()
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split_message = message.split(' ')
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if split_message[0] == 'randint32':
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websocket.send(str(qng_wrapper.randint32()))
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elif split_message[0] == 'randuniform':
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websocket.send(str(qng_wrapper.randuniform()))
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elif split_message[0] == 'randnormal':
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websocket.send(str(qng_wrapper.randnormal()))
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elif split_message[0] == 'randbytes':
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websocket.send(qng_wrapper.randbytes(int(split_message[1])))
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elif split_message[0] == 'reset':
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qng_wrapper.reset()
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websocket.send('OK')
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except ValueError as e:
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websocket.close(code=1003, message=str(e))
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except Exception as e:
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websocket.close(code=1011, message=str(e))
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@app.errorhandler(Exception)
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def handle_exception(e):
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return Response(e.description, status=e.code, content_type='text/plain')
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server = pywsgi.WSGIServer(('0.0.0.0', 62456), application=app, handler_class=WebSocketHandler)
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server.serve_forever()
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