forked from hkg36/websockframework
/
WebSocketFrontEnd.py
executable file
·148 lines (141 loc) · 5.57 KB
/
WebSocketFrontEnd.py
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#coding:utf-8
import os
import time
import sys
import uuid
import zlib
import getopt
import importlib
import tornado
import tornado.websocket
import tornado.web
import tornado.httpserver
import tornado.ioloop
from stormed.connection import Connection
from stormed.channel import Consumer
from stormed.message import Message
from stormed.frame import status
connection_list={}
class RabbitMQServer(tornado.websocket.WebSocketHandler):
last_act_time=0
def open(self):
self.usezlib=int(self.get_argument('usezlib',0))
self.connid=uuid.uuid4().get_hex()
print self.connid+' connected'
connection_list[self.connid]=self
self.last_act_time=time.time()
self.cip=self.request.remote_ip
def on_message(self, message):
try:
if self.usezlib:
message=zlib.decompress(message)
except Exception,e:
pass
msg=Message(body=message,delivery_mode=2,reply_to=mqserver.back_queue)
msg.headers={"connid":self.connid,'cip':self.cip}
mqserver.publish(msg)
self.last_act_time=time.time()
def on_close(self):
print "%s closed"%self.connid
connection_list.pop(self.connid,'')
msg=Message(body='{"func":"connection_lost","parm":{}}',delivery_mode=2)
msg.headers={"connid":self.connid,'cip':self.cip}
mqserver.publish(msg)
def on_pong(self,data):
self.last_act_time=time.time()
class RabbitMQ_Queue(object):
def _start_new_connect(self):
self.conn=Connection(self.Queue_Server,username=self.Queue_User,password=self.Queue_PassWord
,vhost=self.Queue_Path,port=self.Queue_Port, io_loop=tornado.ioloop.IOLoop.instance())
self.conn.on_disconnect=self.on_queue_disconnect
self.conn.on_error=self.on_queue_error
self.conn.connect(self.on_connect)
def __init__(self,Queue_Server,Queue_User,Queue_PassWord,Queue_Path,BackQueueName,Queue_Port=None):
self.Queue_Server=Queue_Server
self.Queue_User=Queue_User
self.Queue_PassWord=Queue_PassWord
self.Queue_Path=Queue_Path
self.Queue_Port=Queue_Port
self.back_queue="WSBack-"+BackQueueName
self._start_new_connect()
def on_connect(self):
if self.conn.status!=status.OPENED:
print 'connect rabbitmq fail'
self.conn.close(self.stop)
else:
print 'connect rabbitmq success'
self.channel = self.conn.channel()
self.channel.queue_declare('task', durable=True,
callback=self.on_queue_creation)
self.channel.queue_declare(self.back_queue,auto_delete=True,callback=self.on_queue_back_created,durable=False)
def on_queue_creation(self,qinfo):
print "queue %s created"%qinfo.queue
self.task_queue=qinfo.queue
def on_queue_back_created(self,qinfo):
print "back queue %s created"%qinfo.queue
self.back_queue=qinfo.queue
consumer = Consumer(self.consume_callback)
self.channel.consume(qinfo.queue, consumer, no_ack=True)
def consume_callback(self,msg):
connid=msg.headers.get("connid",None)
if connid:
conn=connection_list.get(connid,None)
if conn:
if int(msg.headers.get("close_connect",0)):
connection_list.pop(conn.connid,'')
conn.close()
conn.on_close()
return
retbody=msg.body
compressed=msg.headers.get('compression')=='application/x-gzip'
if compressed and not conn.usezlib:
retbody=zlib.decompress(retbody)
elif not compressed and conn.usezlib:
retbody=zlib.compress(retbody)
conn.write_message(retbody,binary=conn.usezlib)
conn.last_act_time=time.time()
def on_queue_disconnect(self):
time.sleep(5)
self._start_new_connect()
def on_queue_error(self,err):
print str(err)
time.sleep(5)
self._start_new_connect()
def publish(self,msg):
self.channel.publish(msg,'',self.task_queue)
CHECK_TIMEOUT=10*60
def RunPingFuncion():
now=time.time()
for conn in connection_list.itervalues():
if now-conn.last_act_time>CHECK_TIMEOUT*2:
conn.ping(b'0')
tornado.ioloop.IOLoop.instance().add_timeout(time.time()+CHECK_TIMEOUT,RunPingFuncion)
mqserver=None
def main():
settings = {
'template_path': os.path.join(os.path.dirname(__file__), 'templates'),
'static_path': os.path.join(os.path.dirname(__file__), 'static')
}
application = tornado.web.Application([
(r'/ws',RabbitMQServer)
], **settings)
http_server = tornado.httpserver.HTTPServer(application,xheaders=True)
config_model='configs.frontend'
global mqserver
opts, args=getopt.getopt(sys.argv[1:],'c:',
['config='])
for k,v in opts:
if k in ('-c','--config'):
config_model=v
try:
configs=importlib.import_module(config_model)
except Exception,e:
print str(e)
exit(0)
mqserver=RabbitMQ_Queue(configs.Queue_Server,configs.Queue_User,
configs.Queue_PassWord,configs.Queue_Path,configs.front_name,configs.Queue_Port)
http_server.listen(configs.bind_port,configs.bind_addr)
tornado.ioloop.IOLoop.instance().add_timeout(time.time()+CHECK_TIMEOUT,RunPingFuncion)
tornado.ioloop.IOLoop.instance().start()
if __name__ == '__main__':
main()