NodeJS fake Tornado module
note: you need to install the nodejs module ws, run sudo npm install -g ws.
To run this example run these commands in your shell, nodejs will be used to run it:
cd
git clone https://github.com/rusthon/Rusthon.git
cd Rusthon/
./rusthon.py ./examples/nodejs_tornado.md --run=myapp.js
Then open a web browser and go to http://localhost:8000
html
@index.html
<html>
<head>
</head>
<body>
<@myscript>
</body>
</html>
@myscript
#backend:javascript
from runtime import *
ws = None
def on_open_ws():
print 'websocket open'
ws.send('hello server')
def on_close_ws():
print 'websocket close'
def on_message_ws(event):
print 'on message', event
print event.data
def connect_ws():
global ws
document.body.appendChild( document.createTextNode('testing websocket') )
addr = 'ws://' + location.host + '/websocket'
print 'websocket test connecting to:', addr
ws = new( WebSocket(addr) )
ws.binaryType = 'arraybuffer'
ws.onmessage = on_message_ws
ws.onopen = on_open_ws
ws.onclose = on_close_ws
print ws
connect_ws()
@myapp.js
#backend:javascript
from runtime import *
from nodejs import *
from nodejs.tornado import *
PORT = 8000
class MainHandler( tornado.web.RequestHandler ):
def get(self, path=None):
print('path', path)
if path == 'favicon.ico' or path.endswith('.map'):
self.write('')
else:
self.write( open('index.html').read() )
class WebSocketHandler(tornado.websocket.WebSocketHandler):
def open(self):
print( 'websocket open' )
print( self.request.connection )
self.write_message('hello client')
def on_message(self, msg):
print 'websocket - got %s bytes' %len(msg)
print msg
def on_close(self):
print('websocket closed')
if self.ws_connection:
self.close()
## Tornado Handlers ##
Handlers = [
('/websocket', WebSocketHandler),
('/', MainHandler), ## order is important, this comes last.
]
## main ##
def main():
print('<starting tornado server>')
app = new tornado.web.Application( Handlers )
app.listen( PORT )
tornado.ioloop.IOLoop.instance().start()
## start main ##
main()