add files to master
This commit is contained in:
simon
@@ -0,0 +1,84 @@
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from http.server import BaseHTTPRequestHandler, HTTPServer
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import rgbUtils.RGBStipContollerJsonConverter as rgbCJson
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from pathlib import Path
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from mimetypes import guess_type
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from os import curdir, sep
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import json
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from rgbUtils.debug import debug
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class HTTPRequestHandler(BaseHTTPRequestHandler):
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rgbC = None
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def __init__(self, rgbC, *args, **kwargs):
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self.rgbC = rgbC
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# BaseHTTPRequestHandler calls do_GET **inside** __init__ !!!
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# So we have to call super().__init__ after setting attributes.
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super().__init__(*args, **kwargs)
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def do_GET(self):
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try:
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if "/api/" in self.path:
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# set response header application/json when calling the api
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self.send_response(200)
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self.send_header("Content-type", "application/json")
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self.end_headers()
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if "/getEffects" in self.path:
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self.wfile.write(json.dumps({'result': rgbCJson.getEffects(self.rgbC)}).encode(encoding='utf_8'))
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if "/getRGBStrips" in self.path:
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self.wfile.write(json.dumps({'result': rgbCJson.getRGBStrips(self.rgbC)}).encode(encoding='utf_8'))
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if "/getEffectThreads" in self.path:
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self.wfile.write(json.dumps({'result': rgbCJson.getEffectThreads(self.rgbC)}).encode(encoding='utf_8'))
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else:
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#Get files as requested from htdocs, set mimetype
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request = curdir + sep + "htdocs" + self.path
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debug(request)
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if Path(request).is_dir():
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debug("isdir: "+request)
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if not request[-1:] == "/":
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debug("no /: "+request)
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request += "/"
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request += "index.html"
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debug("fi request: "+request)
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mimetype = guess_type(request)[0]
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f = open(request, 'rb')
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self.send_response(200)
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self.send_header("Content-type", mimetype)
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self.end_headers()
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self.wfile.write(f.read())
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f.close()
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except IOError:
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self.send_error(404,'File Not Found: %s' % self.path)
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def do_POST(self):
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try:
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if "/api/" in self.path:
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self.send_response(200)
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data = json.loads(self.rfile.read(int(self.headers['Content-Length'])).decode('utf-8'))
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self.end_headers()
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print(data)
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if "/startEffect" in self.path:
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enabledRGBStrips = []
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for rgbStripObject in data['rgbStrips']:
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if rgbStripObject[1]:
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enabledRGBStrips.append(self.rgbC.getRGBStrips()[int(rgbStripObject[0])])
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self.rgbC.startEffect(self.rgbC.getEffects()[data['effect']],enabledRGBStrips,data['params'])
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if "/moveRGBStripToEffectThread" in self.path:
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print(data)
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self.rgbC.moveRGBStripToEffectThread(self.rgbC.getRGBStrips()[data['rgbStrip']],self.rgbC.getEffectThreads()[data['effectThread']])
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if "/updateEffectParams" in self.path:
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result = {}
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print(data)
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self.wfile.write("OK".encode(encoding='utf_8'))
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except IOError:
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self.send_error(404,'File Not Found: %s' % self.path)
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def log_message(self, format, *args):
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return
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@@ -0,0 +1,17 @@
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# HTTPServer Things
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from webserver.HTTPRequestHandler import HTTPRequestHandler
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from threading import Thread
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from http.server import HTTPServer
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from functools import partial
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import config
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class ThreadedHTTPServer(Thread):
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def __init__(self,rgbC):
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Thread.__init__(self)
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self.rgbC = rgbC
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self.daemon = True
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self.start()
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def run(self):
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httpd = HTTPServer(("", config.SocketBindPort),partial(HTTPRequestHandler, self.rgbC))
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httpd.serve_forever()
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@@ -0,0 +1,115 @@
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import json
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from rgbUtils import effectControllerJsonHandler
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from rgbUtils import rgbStripControllerJsonHandler
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from webserver.SimpleWebSocketServer import WebSocket
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import traceback
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import logging
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CLIENT_TYPE_CONTROLLER = 0
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CLIENT_TYPE_STRIPE = 1
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CLIENT_TYPE_RECORDER = 2
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#class WebSocketError(Exception):
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# pass
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class HTTPWebSocketsHandler(WebSocket):
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def __init__(self, effectController, rgbStripController, *args, **kwargs):
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self.effectController = effectController
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self.rgbStripController = rgbStripController
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self.client_type = CLIENT_TYPE_CONTROLLER
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self.rgbStrip = None
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super().__init__(*args, **kwargs)
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def handleMessage(self):
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try:
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print(self.address, self.data)
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data = json.loads(self.data)
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# Client Registration on the Websocket Server
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# maybe it would be better to use a websocket server thread for each client type,
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# can be done in future if there is too much latency
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if "register_client_type" in data:
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# the controler type, add handler on RGBStripContoller and send the current state of the controller
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if int(data['register_client_type']) is CLIENT_TYPE_CONTROLLER:
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self.client_type = CLIENT_TYPE_CONTROLLER
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# add effectController onControllerChangeHandler to get changes in the effectController eg start/stop effects, parameter updates, moved strips
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# register rgbStripController onRGBStripRegistered/UnRegistered handler to get noticed about new rgbStrips is not necessary
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# since we will get noticed from the effectController when it added the rgbStrip to the offEffect
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self.effectController.addOnControllerChangeHandler(self.onChange)
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# register new Stripes
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elif int(data['register_client_type']) is CLIENT_TYPE_STRIPE and "client_name" in data:
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self.client_type = CLIENT_TYPE_STRIPE
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# registers the strip with websocket object and name. the onRGBStripValueUpdate(rgbStrip) is called by
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# by the rgbStrip when an effectThread updates it
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# the self.rgbStrip variable is used to unregister the strip only
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self.rgbStrip = self.rgbStripController.registerRGBStrip(data["client_name"],self.onRGBStripValueUpdate)
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# register new Audio Recorders
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elif int(data['register_client_type']) is CLIENT_TYPE_RECORDER:
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self.client_type = CLIENT_TYPE_RECORDER
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# controller responses are handled by the effectControllerJsonHandler
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if self.client_type is CLIENT_TYPE_CONTROLLER:
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response = effectControllerJsonHandler.responseHandler(self.effectController, self.rgbStripController, data)
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self.sendMessage(
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json.dumps({
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'response': response
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})
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)
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return
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# the stripe should usualy not send any data, i do not know why it should...
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elif self.client_type is CLIENT_TYPE_STRIPE:
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return
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# audio recorder responses are handled by the effectControllerJsonHandler
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elif self.client_type is CLIENT_TYPE_RECORDER:
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return
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except Exception as e:
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print(e, traceback.format_exc())
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# notice about connects in terminal, the client has to register itself, see handleMessage
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def handleConnected(self):
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print(self.address, 'connected')
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# unregister the onChangeHandler
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# for now this function is not called when a client times out,
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# so they don't get unregistered. i mean there is no function that
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# is called when a client times out.
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def handleClose(self):
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if self.client_type is CLIENT_TYPE_CONTROLLER:
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self.effectController.removeOnControllerChangeHandler(self.onChange)
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elif self.client_type is CLIENT_TYPE_STRIPE:
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self.rgbStripController.unregisterRGBStrip(self.rgbStrip)
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elif self.client_type is CLIENT_TYPE_RECORDER:
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pass
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print(self.address, 'closed')
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# called when there are changes that should be pushed to the client.
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# - the effectController: start / stop effects, move strip to effect, changing effect params
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# - the rgbStripController: add/removing strips
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# -> CLIENT_TYPE_CONTROLLER
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def onChange(self):
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if self.client_type is CLIENT_TYPE_CONTROLLER:
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self.sendMessage(
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json.dumps({
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'effects': effectControllerJsonHandler.getEffects(self.effectController),
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'rgbStrips': rgbStripControllerJsonHandler.getRGBStrips(self.rgbStripController),
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'effectThreads': effectControllerJsonHandler.getEffectThreads(self.effectController)
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})
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)
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return
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elif self.client_type is CLIENT_TYPE_STRIPE:
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return
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elif self.client_type is CLIENT_TYPE_RECORDER:
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return
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# when a rgbStrip value is changed, send json data to client
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def onRGBStripValueUpdate(self,rgbStrip):
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self.sendMessage(
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json.dumps({
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'data': rgbStripControllerJsonHandler.getRGBData(rgbStrip)
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})
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)
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@@ -0,0 +1,732 @@
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'''
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The MIT License (MIT)
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Copyright (c) 2013 Dave P.
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https://github.com/dpallot/simple-websocket-server
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'''
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import sys
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VER = sys.version_info[0]
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import socketserver
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from http.server import BaseHTTPRequestHandler
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from io import StringIO, BytesIO
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import hashlib
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import base64
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import socket
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import struct
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import ssl
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import errno
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import codecs
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from collections import deque
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from select import select
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import traceback
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import time
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__all__ = ['WebSocket',
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'SimpleWebSocketServer',
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'SimpleSSLWebSocketServer']
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def _check_unicode(val):
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if VER >= 3:
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return isinstance(val, str)
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else:
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return isinstance(val, unicode)
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class HTTPRequest(BaseHTTPRequestHandler):
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def __init__(self, request_text):
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if VER >= 3:
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self.rfile = BytesIO(request_text)
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else:
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self.rfile = StringIO(request_text)
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self.raw_requestline = self.rfile.readline()
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self.error_code = self.error_message = None
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self.parse_request()
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_VALID_STATUS_CODES = [1000, 1001, 1002, 1003, 1007, 1008,
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1009, 1010, 1011, 3000, 3999, 4000, 4999]
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HANDSHAKE_STR = (
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"HTTP/1.1 101 Switching Protocols\r\n"
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"Upgrade: WebSocket\r\n"
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"Connection: Upgrade\r\n"
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"Sec-WebSocket-Accept: %(acceptstr)s\r\n\r\n"
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)
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GUID_STR = '258EAFA5-E914-47DA-95CA-C5AB0DC85B11'
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STREAM = 0x0
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TEXT = 0x1
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BINARY = 0x2
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CLOSE = 0x8
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PING = 0x9
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PONG = 0xA
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HEADERB1 = 1
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HEADERB2 = 3
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LENGTHSHORT = 4
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LENGTHLONG = 5
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MASK = 6
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PAYLOAD = 7
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MAXHEADER = 65536
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MAXPAYLOAD = 33554432
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class WebSocket(object):
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def __init__(self, server, sock, address):
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self.server = server
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self.client = sock
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self.address = address
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self.handshaked = False
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self.headerbuffer = bytearray()
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self.headertoread = 2048
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self.fin = 0
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self.data = bytearray()
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self.opcode = 0
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self.hasmask = 0
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self.maskarray = None
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self.length = 0
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self.lengtharray = None
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self.index = 0
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self.request = None
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self.usingssl = False
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self.lastping = 0
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self.frag_start = False
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self.frag_type = BINARY
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self.frag_buffer = None
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self.frag_decoder = codecs.getincrementaldecoder('utf-8')(errors='strict')
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self.closed = False
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self.sendq = deque()
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self.state = HEADERB1
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# restrict the size of header and payload for security reasons
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self.maxheader = MAXHEADER
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self.maxpayload = MAXPAYLOAD
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def handleMessage(self):
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"""
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Called when websocket frame is received.
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To access the frame data call self.data.
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If the frame is Text then self.data is a unicode object.
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If the frame is Binary then self.data is a bytearray object.
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"""
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pass
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def handleConnected(self):
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"""
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Called when a websocket client connects to the server.
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"""
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pass
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def handleClose(self):
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"""
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Called when a websocket server gets a Close frame from a client.
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"""
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pass
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def _handlePacket(self):
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if self.opcode == CLOSE:
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pass
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elif self.opcode == STREAM:
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pass
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elif self.opcode == TEXT:
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pass
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elif self.opcode == BINARY:
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pass
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elif self.opcode == PONG or self.opcode == PING:
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self.lastping = time.time()
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if len(self.data) > 125:
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print('control frame length can not be > 125')
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raise Exception('control frame length can not be > 125')
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else:
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# unknown or reserved opcode so just close
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print('unknown opcode')
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raise Exception('unknown opcode')
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if self.opcode == CLOSE:
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status = 1000
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reason = u''
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length = len(self.data)
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if length == 0:
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pass
|
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elif length >= 2:
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status = struct.unpack_from('!H', self.data[:2])[0]
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reason = self.data[2:]
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||||
|
||||
if status not in _VALID_STATUS_CODES:
|
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status = 1002
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|
||||
if len(reason) > 0:
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try:
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||||
reason = reason.decode('utf8', errors='strict')
|
||||
except:
|
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status = 1002
|
||||
else:
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status = 1002
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||||
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self.close(status, reason)
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return
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|
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elif self.fin == 0:
|
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if self.opcode != STREAM:
|
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if self.opcode == PING or self.opcode == PONG:
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print('control messages can not be fragmented')
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raise Exception('control messages can not be fragmented')
|
||||
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self.frag_type = self.opcode
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self.frag_start = True
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||||
self.frag_decoder.reset()
|
||||
|
||||
if self.frag_type == TEXT:
|
||||
self.frag_buffer = []
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||||
utf_str = self.frag_decoder.decode(self.data, final = False)
|
||||
if utf_str:
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||||
self.frag_buffer.append(utf_str)
|
||||
else:
|
||||
self.frag_buffer = bytearray()
|
||||
self.frag_buffer.extend(self.data)
|
||||
|
||||
else:
|
||||
if self.frag_start is False:
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||||
print('fragmentation protocol error')
|
||||
raise Exception('fragmentation protocol error')
|
||||
|
||||
if self.frag_type == TEXT:
|
||||
utf_str = self.frag_decoder.decode(self.data, final = False)
|
||||
if utf_str:
|
||||
self.frag_buffer.append(utf_str)
|
||||
else:
|
||||
self.frag_buffer.extend(self.data)
|
||||
|
||||
else:
|
||||
if self.opcode == STREAM:
|
||||
if self.frag_start is False:
|
||||
print('fragmentation protocol error')
|
||||
raise Exception('fragmentation protocol error')
|
||||
|
||||
if self.frag_type == TEXT:
|
||||
utf_str = self.frag_decoder.decode(self.data, final = True)
|
||||
self.frag_buffer.append(utf_str)
|
||||
self.data = u''.join(self.frag_buffer)
|
||||
else:
|
||||
self.frag_buffer.extend(self.data)
|
||||
self.data = self.frag_buffer
|
||||
|
||||
self.handleMessage()
|
||||
|
||||
self.frag_decoder.reset()
|
||||
self.frag_type = BINARY
|
||||
self.frag_start = False
|
||||
self.frag_buffer = None
|
||||
|
||||
elif self.opcode == PING:
|
||||
self._sendMessage(False, PONG, self.data)
|
||||
|
||||
elif self.opcode == PONG:
|
||||
pass
|
||||
|
||||
else:
|
||||
if self.frag_start is True:
|
||||
print('fragmentation protocol error')
|
||||
raise Exception('fragmentation protocol error')
|
||||
|
||||
if self.opcode == TEXT:
|
||||
try:
|
||||
self.data = self.data.decode('utf8', errors='strict')
|
||||
except Exception as exp:
|
||||
print('invalid utf-8 payload')
|
||||
raise Exception('invalid utf-8 payload')
|
||||
|
||||
self.handleMessage()
|
||||
|
||||
|
||||
def _handleData(self):
|
||||
# do the HTTP header and handshake
|
||||
if self.handshaked is False:
|
||||
|
||||
data = self.client.recv(self.headertoread)
|
||||
if not data:
|
||||
print('remote socket closed')
|
||||
raise Exception('remote socket closed')
|
||||
|
||||
else:
|
||||
# accumulate
|
||||
self.headerbuffer.extend(data)
|
||||
|
||||
if len(self.headerbuffer) >= self.maxheader:
|
||||
print('header exceeded allowable size')
|
||||
raise Exception('header exceeded allowable size')
|
||||
|
||||
# indicates end of HTTP header
|
||||
if b'\r\n\r\n' in self.headerbuffer:
|
||||
self.request = HTTPRequest(self.headerbuffer)
|
||||
|
||||
# handshake rfc 6455
|
||||
try:
|
||||
key = self.request.headers['Sec-WebSocket-Key']
|
||||
k = key.encode('ascii') + GUID_STR.encode('ascii')
|
||||
k_s = base64.b64encode(hashlib.sha1(k).digest()).decode('ascii')
|
||||
hStr = HANDSHAKE_STR % {'acceptstr': k_s}
|
||||
self.sendq.append((BINARY, hStr.encode('ascii')))
|
||||
self.handshaked = True
|
||||
self.handleConnected()
|
||||
except Exception as e:
|
||||
print(e,traceback.format_exc())
|
||||
print('handshake failed: %s', str(e))
|
||||
raise Exception('handshake failed: %s', str(e))
|
||||
|
||||
# else do normal data
|
||||
else:
|
||||
data = self.client.recv(16384)
|
||||
if not data:
|
||||
print("remote socket closed")
|
||||
raise Exception("remote socket closed")
|
||||
|
||||
if VER >= 3:
|
||||
for d in data:
|
||||
self._parseMessage(d)
|
||||
else:
|
||||
for d in data:
|
||||
self._parseMessage(ord(d))
|
||||
|
||||
def close(self, status = 1000, reason = u''):
|
||||
"""
|
||||
Send Close frame to the client. The underlying socket is only closed
|
||||
when the client acknowledges the Close frame.
|
||||
|
||||
status is the closing identifier.
|
||||
reason is the reason for the close.
|
||||
"""
|
||||
try:
|
||||
if self.closed is False:
|
||||
close_msg = bytearray()
|
||||
close_msg.extend(struct.pack("!H", status))
|
||||
if _check_unicode(reason):
|
||||
close_msg.extend(reason.encode('utf-8'))
|
||||
else:
|
||||
close_msg.extend(reason)
|
||||
|
||||
self._sendMessage(False, CLOSE, close_msg)
|
||||
|
||||
finally:
|
||||
self.closed = True
|
||||
|
||||
|
||||
def _sendBuffer(self, buff, send_all = False):
|
||||
size = len(buff)
|
||||
tosend = size
|
||||
already_sent = 0
|
||||
|
||||
while tosend > 0:
|
||||
try:
|
||||
# i should be able to send a bytearray
|
||||
sent = self.client.send(buff[already_sent:])
|
||||
if sent == 0:
|
||||
raise RuntimeError('socket connection broken')
|
||||
|
||||
already_sent += sent
|
||||
tosend -= sent
|
||||
|
||||
except socket.error as e:
|
||||
print(e,traceback.format_exc())
|
||||
# if we have full buffers then wait for them to drain and try again
|
||||
if e.errno in [errno.EAGAIN, errno.EWOULDBLOCK]:
|
||||
if send_all:
|
||||
continue
|
||||
return buff[already_sent:]
|
||||
else:
|
||||
print(e,traceback.format_exc())
|
||||
raise e
|
||||
|
||||
return None
|
||||
|
||||
def sendFragmentStart(self, data):
|
||||
"""
|
||||
Send the start of a data fragment stream to a websocket client.
|
||||
Subsequent data should be sent using sendFragment().
|
||||
A fragment stream is completed when sendFragmentEnd() is called.
|
||||
|
||||
If data is a unicode object then the frame is sent as Text.
|
||||
If the data is a bytearray object then the frame is sent as Binary.
|
||||
"""
|
||||
opcode = BINARY
|
||||
if _check_unicode(data):
|
||||
opcode = TEXT
|
||||
self._sendMessage(True, opcode, data)
|
||||
|
||||
def sendFragment(self, data):
|
||||
"""
|
||||
see sendFragmentStart()
|
||||
|
||||
If data is a unicode object then the frame is sent as Text.
|
||||
If the data is a bytearray object then the frame is sent as Binary.
|
||||
"""
|
||||
self._sendMessage(True, STREAM, data)
|
||||
|
||||
def sendFragmentEnd(self, data):
|
||||
"""
|
||||
see sendFragmentEnd()
|
||||
|
||||
If data is a unicode object then the frame is sent as Text.
|
||||
If the data is a bytearray object then the frame is sent as Binary.
|
||||
"""
|
||||
self._sendMessage(False, STREAM, data)
|
||||
|
||||
def sendMessage(self, data):
|
||||
"""
|
||||
Send websocket data frame to the client.
|
||||
|
||||
If data is a unicode object then the frame is sent as Text.
|
||||
If the data is a bytearray object then the frame is sent as Binary.
|
||||
"""
|
||||
opcode = BINARY
|
||||
if _check_unicode(data):
|
||||
opcode = TEXT
|
||||
self._sendMessage(False, opcode, data)
|
||||
|
||||
|
||||
def _sendMessage(self, fin, opcode, data):
|
||||
|
||||
payload = bytearray()
|
||||
|
||||
b1 = 0
|
||||
b2 = 0
|
||||
if fin is False:
|
||||
b1 |= 0x80
|
||||
b1 |= opcode
|
||||
|
||||
if _check_unicode(data):
|
||||
data = data.encode('utf-8')
|
||||
|
||||
length = len(data)
|
||||
payload.append(b1)
|
||||
|
||||
if length <= 125:
|
||||
b2 |= length
|
||||
payload.append(b2)
|
||||
|
||||
elif length >= 126 and length <= 65535:
|
||||
b2 |= 126
|
||||
payload.append(b2)
|
||||
payload.extend(struct.pack("!H", length))
|
||||
|
||||
else:
|
||||
b2 |= 127
|
||||
payload.append(b2)
|
||||
payload.extend(struct.pack("!Q", length))
|
||||
|
||||
if length > 0:
|
||||
payload.extend(data)
|
||||
|
||||
self.sendq.append((opcode, payload))
|
||||
|
||||
|
||||
def _parseMessage(self, byte):
|
||||
# read in the header
|
||||
if self.state == HEADERB1:
|
||||
|
||||
self.fin = byte & 0x80
|
||||
self.opcode = byte & 0x0F
|
||||
self.state = HEADERB2
|
||||
|
||||
self.index = 0
|
||||
self.length = 0
|
||||
self.lengtharray = bytearray()
|
||||
self.data = bytearray()
|
||||
|
||||
rsv = byte & 0x70
|
||||
if rsv != 0:
|
||||
print('RSV bit must be 0')
|
||||
raise Exception('RSV bit must be 0')
|
||||
|
||||
elif self.state == HEADERB2:
|
||||
mask = byte & 0x80
|
||||
length = byte & 0x7F
|
||||
|
||||
if self.opcode == PING and length > 125:
|
||||
print('ping packet is too large')
|
||||
raise Exception('ping packet is too large')
|
||||
|
||||
if mask == 128:
|
||||
self.hasmask = True
|
||||
else:
|
||||
self.hasmask = False
|
||||
|
||||
if length <= 125:
|
||||
self.length = length
|
||||
|
||||
# if we have a mask we must read it
|
||||
if self.hasmask is True:
|
||||
self.maskarray = bytearray()
|
||||
self.state = MASK
|
||||
else:
|
||||
# if there is no mask and no payload we are done
|
||||
if self.length <= 0:
|
||||
try:
|
||||
self._handlePacket()
|
||||
finally:
|
||||
self.state = HEADERB1
|
||||
self.data = bytearray()
|
||||
|
||||
# we have no mask and some payload
|
||||
else:
|
||||
#self.index = 0
|
||||
self.data = bytearray()
|
||||
self.state = PAYLOAD
|
||||
|
||||
elif length == 126:
|
||||
self.lengtharray = bytearray()
|
||||
self.state = LENGTHSHORT
|
||||
|
||||
elif length == 127:
|
||||
self.lengtharray = bytearray()
|
||||
self.state = LENGTHLONG
|
||||
|
||||
|
||||
elif self.state == LENGTHSHORT:
|
||||
self.lengtharray.append(byte)
|
||||
|
||||
if len(self.lengtharray) > 2:
|
||||
print('short length exceeded allowable size')
|
||||
raise Exception('short length exceeded allowable size')
|
||||
|
||||
if len(self.lengtharray) == 2:
|
||||
self.length = struct.unpack_from('!H', self.lengtharray)[0]
|
||||
|
||||
if self.hasmask is True:
|
||||
self.maskarray = bytearray()
|
||||
self.state = MASK
|
||||
else:
|
||||
# if there is no mask and no payload we are done
|
||||
if self.length <= 0:
|
||||
try:
|
||||
self._handlePacket()
|
||||
finally:
|
||||
self.state = HEADERB1
|
||||
self.data = bytearray()
|
||||
|
||||
# we have no mask and some payload
|
||||
else:
|
||||
#self.index = 0
|
||||
self.data = bytearray()
|
||||
self.state = PAYLOAD
|
||||
|
||||
elif self.state == LENGTHLONG:
|
||||
|
||||
self.lengtharray.append(byte)
|
||||
|
||||
if len(self.lengtharray) > 8:
|
||||
print('long length exceeded allowable size')
|
||||
raise Exception('long length exceeded allowable size')
|
||||
|
||||
if len(self.lengtharray) == 8:
|
||||
self.length = struct.unpack_from('!Q', self.lengtharray)[0]
|
||||
|
||||
if self.hasmask is True:
|
||||
self.maskarray = bytearray()
|
||||
self.state = MASK
|
||||
else:
|
||||
# if there is no mask and no payload we are done
|
||||
if self.length <= 0:
|
||||
try:
|
||||
self._handlePacket()
|
||||
finally:
|
||||
self.state = HEADERB1
|
||||
self.data = bytearray()
|
||||
|
||||
# we have no mask and some payload
|
||||
else:
|
||||
#self.index = 0
|
||||
self.data = bytearray()
|
||||
self.state = PAYLOAD
|
||||
|
||||
# MASK STATE
|
||||
elif self.state == MASK:
|
||||
self.maskarray.append(byte)
|
||||
|
||||
if len(self.maskarray) > 4:
|
||||
print('mask exceeded allowable size')
|
||||
raise Exception('mask exceeded allowable size')
|
||||
|
||||
if len(self.maskarray) == 4:
|
||||
# if there is no mask and no payload we are done
|
||||
if self.length <= 0:
|
||||
try:
|
||||
self._handlePacket()
|
||||
finally:
|
||||
self.state = HEADERB1
|
||||
self.data = bytearray()
|
||||
|
||||
# we have no mask and some payload
|
||||
else:
|
||||
#self.index = 0
|
||||
self.data = bytearray()
|
||||
self.state = PAYLOAD
|
||||
|
||||
# PAYLOAD STATE
|
||||
elif self.state == PAYLOAD:
|
||||
if self.hasmask is True:
|
||||
self.data.append( byte ^ self.maskarray[self.index % 4] )
|
||||
else:
|
||||
self.data.append( byte )
|
||||
|
||||
# if length exceeds allowable size then we except and remove the connection
|
||||
if len(self.data) >= self.maxpayload:
|
||||
print('payload exceeded allowable size')
|
||||
raise Exception('payload exceeded allowable size')
|
||||
|
||||
# check if we have processed length bytes; if so we are done
|
||||
if (self.index+1) == self.length:
|
||||
try:
|
||||
self._handlePacket()
|
||||
finally:
|
||||
#self.index = 0
|
||||
self.state = HEADERB1
|
||||
self.data = bytearray()
|
||||
else:
|
||||
self.index += 1
|
||||
|
||||
|
||||
class SimpleWebSocketServer(object):
|
||||
def __init__(self, host, port, websocketclass, selectInterval = 0.1):
|
||||
self.websocketclass = websocketclass
|
||||
self.serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
||||
self.serversocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
||||
self.serversocket.settimeout(5)
|
||||
self.serversocket.bind((host, port))
|
||||
self.serversocket.listen(5)
|
||||
self.selectInterval = selectInterval
|
||||
self.connections = {}
|
||||
self.listeners = [self.serversocket]
|
||||
|
||||
def _decorateSocket(self, sock):
|
||||
return sock
|
||||
|
||||
def _constructWebSocket(self, sock, address):
|
||||
return self.websocketclass(self, sock, address)
|
||||
|
||||
def close(self):
|
||||
self.serversocket.close()
|
||||
|
||||
for desc, conn in self.connections.items():
|
||||
conn.close()
|
||||
self._handleClose(conn)
|
||||
|
||||
def _handleClose(self, client):
|
||||
client.client.close()
|
||||
# only call handleClose when we have a successful websocket connection
|
||||
if client.handshaked:
|
||||
#try:
|
||||
client.handleClose()
|
||||
#except:
|
||||
# print("timeout?")
|
||||
# pass
|
||||
|
||||
def serveonce(self):
|
||||
writers = []
|
||||
for fileno in self.listeners:
|
||||
if fileno == self.serversocket:
|
||||
continue
|
||||
client = self.connections[fileno]
|
||||
if client.sendq:
|
||||
writers.append(fileno)
|
||||
|
||||
if self.selectInterval:
|
||||
rList, wList, xList = select(self.listeners, writers, self.listeners, self.selectInterval)
|
||||
else:
|
||||
rList, wList, xList = select(self.listeners, writers, self.listeners)
|
||||
|
||||
for ready in wList:
|
||||
client = self.connections[ready]
|
||||
try:
|
||||
while client.sendq:
|
||||
opcode, payload = client.sendq.popleft()
|
||||
remaining = client._sendBuffer(payload)
|
||||
if remaining is not None:
|
||||
client.sendq.appendleft((opcode, remaining))
|
||||
break
|
||||
else:
|
||||
if opcode == CLOSE:
|
||||
print('received client close')
|
||||
raise Exception('received client close')
|
||||
|
||||
except Exception as n:
|
||||
print(n,traceback.format_exc())
|
||||
self._handleClose(client)
|
||||
del self.connections[ready]
|
||||
self.listeners.remove(ready)
|
||||
|
||||
for ready in rList:
|
||||
if ready == self.serversocket:
|
||||
sock = None
|
||||
try:
|
||||
sock, address = self.serversocket.accept()
|
||||
newsock = self._decorateSocket(sock)
|
||||
newsock.setblocking(0)
|
||||
fileno = newsock.fileno()
|
||||
self.connections[fileno] = self._constructWebSocket(newsock, address)
|
||||
self.listeners.append(fileno)
|
||||
except Exception as n:
|
||||
print(n,traceback.format_exc())
|
||||
if sock is not None:
|
||||
sock.close()
|
||||
else:
|
||||
if ready not in self.connections:
|
||||
continue
|
||||
client = self.connections[ready]
|
||||
try:
|
||||
client._handleData()
|
||||
except Exception as n:
|
||||
print(n,traceback.format_exc())
|
||||
self._handleClose(client)
|
||||
del self.connections[ready]
|
||||
self.listeners.remove(ready)
|
||||
|
||||
for failed in xList:
|
||||
if failed == self.serversocket:
|
||||
self.close()
|
||||
print('server socket failed')
|
||||
raise Exception('server socket failed')
|
||||
else:
|
||||
if failed not in self.connections:
|
||||
continue
|
||||
client = self.connections[failed]
|
||||
self._handleClose(client)
|
||||
del self.connections[failed]
|
||||
self.listeners.remove(failed)
|
||||
|
||||
def serveforever(self):
|
||||
while True:
|
||||
self.serveonce()
|
||||
|
||||
class SimpleSSLWebSocketServer(SimpleWebSocketServer):
|
||||
|
||||
def __init__(self, host, port, websocketclass, certfile,
|
||||
keyfile, version = ssl.PROTOCOL_TLSv1, selectInterval = 0.1):
|
||||
|
||||
SimpleWebSocketServer.__init__(self, host, port,
|
||||
websocketclass, selectInterval)
|
||||
|
||||
self.context = ssl.SSLContext(version)
|
||||
self.context.load_cert_chain(certfile, keyfile)
|
||||
|
||||
def close(self):
|
||||
super(SimpleSSLWebSocketServer, self).close()
|
||||
|
||||
def _decorateSocket(self, sock):
|
||||
sslsock = self.context.wrap_socket(sock, server_side=True)
|
||||
return sslsock
|
||||
|
||||
def _constructWebSocket(self, sock, address):
|
||||
ws = self.websocketclass(self, sock, address)
|
||||
ws.usingssl = True
|
||||
return ws
|
||||
|
||||
def serveforever(self):
|
||||
super(SimpleSSLWebSocketServer, self).serveforever()
|
||||
@@ -0,0 +1,22 @@
|
||||
from webserver.SimpleWebSocketServer import SimpleWebSocketServer, WebSocket
|
||||
from webserver.HTTPWebSocketsHandler import HTTPWebSocketsHandler
|
||||
from threading import Thread
|
||||
from functools import partial
|
||||
|
||||
class ThreadedWebSocketServer(Thread):
|
||||
def __init__(self,effectController,rgbStripController):
|
||||
Thread.__init__(self)
|
||||
self.effectController = effectController
|
||||
self.rgbStripController = rgbStripController
|
||||
self.daemon = True
|
||||
self.stopped = False
|
||||
self.start()
|
||||
|
||||
def run(self):
|
||||
server = SimpleWebSocketServer('', 8001, partial(HTTPWebSocketsHandler,self.effectController, self.rgbStripController))
|
||||
while not self.stopped:
|
||||
server.serveonce()
|
||||
print("ThreadedWebSocketServer stopped")
|
||||
|
||||
def stop(self):
|
||||
self.stopped = True
|
||||
Reference in New Issue
Block a user