/
WebSocketBackEnd.py
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/
WebSocketBackEnd.py
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#coding:utf-8
from tools.helper import AutoFitJson, DefJsonEncoder
__author__ = 'amen'
import os
import importlib
import json
import BackEndEnvData
import getopt
import sys
import QueueWork
import traceback
import inspect
import urllib2
def LoadProcFunctionList(module_root='processor'):
pathlist={}
list_dirs = os.walk(module_root)
for root, dirs, files in list_dirs:
root_path=root.replace(os.path.sep,'.')
for f in files:
if f.endswith('.pyc') or f=='__init__.py':
continue
mod=importlib.import_module('.'+f[:-3],root_path)
try:
runfunc=mod.run
path=root[len(module_root)+1:]
if path:
path='%s.%s'%(path.replace(os.path.sep,'.'),f[:-3])
else:
path=f[:-3]
pathlist[path]=runfunc
except Exception,e:
print path,str(e)
return pathlist
function_list=None
def RequestWork(params,body,reply_queue):
BackEndEnvData.uid=None
BackEndEnvData.reply_queue=None
BackEndEnvData.connection_id=None
BackEndEnvData.client_ip=None
try:
request=json.loads(body)
except Exception,e:
return params,'request body error:%s %s'%(str(e),body)
function=request.get("func",None)
if function:
function_params=request.get("parm",None)
if function_params is not None and isinstance(function_params,dict):
mfunc=function_list.get(function)
if mfunc is None:
modrequest={"func":request["func"],"parm":request["parm"],"uid":int(params.get('uid'))}
sendbody=json.dumps(modrequest).encode()
try:
resstr=urllib2.urlopen("http://192.173.1.113:8080/LifeStyleApp/ActivityDone.json",sendbody,timeout = 1).read()
if 'cdata' in request:
resobj=json.loads(resstr)
resobj['cdata']=request['cdata']
resbody=json.dumps(resobj)
else:
resbody=resstr
except urllib2.URLError, e:
resbody=str(e)
return params,resbody
#return params,'no function'
try:
BackEndEnvData.reply_queue=reply_queue
BackEndEnvData.connection_id=params.get('connid')
BackEndEnvData.client_ip=params.get('cip')
if params.get("uid"):
BackEndEnvData.uid=int(params.get('uid'))
result=mfunc(**function_params)
if result is None:
return
#result['push']=False
if 'cdata' in request and isinstance(result,dict):
result['cdata']=request['cdata']
if isinstance(result,(dict,list)):
return params,DefJsonEncoder.encode(result)
elif isinstance(result,basestring):
return params,result
except BaseException,e:
return params,traceback.format_exc()
return params,"error"
if __name__ == '__main__':
function_list=LoadProcFunctionList()
config_model='configs.frontend'
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 'config error',str(e)
exit(0)
QueueWork.WorkFunction=RequestWork
QueueWork.back_exchange='front_end'
QueueWork.init(configs.Queue_Server,configs.Queue_Port,configs.Queue_Path,
configs.Queue_User,configs.Queue_PassWord,'task','front_end','task.front')
BackEndEnvData.queue_producer=QueueWork.producer
QueueWork.run()