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start.py
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start.py
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import nltk
import math
import re, sys
import pickle
from nltk.tokenize import word_tokenize
from nltk.tokenize import RegexpTokenizer
from xml.etree.ElementTree import iterparse
import urllib
import socket
from sklearn.feature_extraction.text import TfidfTransformer
import tornado.httpserver
import tornado.ioloop
import tornado.web
from tornado.httpclient import AsyncHTTPClient
from tornado import gen
from tornado.httpserver import HTTPServer
from tornado.process import fork_processes
from tornado.netutil import bind_sockets
from constants import color
bcolors = color.bcolors()
numIdx = 1
numDoc = 0
# deciding ports
from constants import inventory
allserver = inventory.Inventory()
Baseport = allserver.callBasePort(15000)
allserver.findPorts( socket.gethostname(), numIdx, numDoc, Baseport)
Idxservers = allserver.getIndexers()
Docservers = allserver.getDocuments()
# print basic port information
print bcolors.HEADER + "====== BASIC INFO ======" + bcolors.ENDC
print bcolors.OKGREEN + "num of Index Server: " + bcolors.ENDC + bcolors.OKBLUE + str(numIdx) + bcolors.ENDC
print bcolors.OKGREEN + "num of Document Server: " + bcolors.ENDC + bcolors.OKBLUE + str(numDoc) + bcolors.ENDC
print bcolors.OKGREEN + 'Front end will listen to: ' + bcolors.ENDC + bcolors.OKBLUE + 'http://{}:{}'.format(socket.gethostname(), Baseport) + bcolors.ENDC + "\n"
# # start indexer and save it properly
# from indexer import indexer
# print bcolors.HEADER + "====== PREPARATION ======" + bcolors.ENDC
# myindexer=indexer.Indexer(Idxservers, Docservers)
# myindexer.genNum()
# myindexer.getCategoryCorrelation('./constants/reducer_tmp_1000lines.txt', Idxservers, Docservers)
# start working
print "\n" + bcolors.HEADER + '====== START FORKING ======'+ bcolors.ENDC
from backend import back
from frontend import front
uid = fork_processes(numIdx+numDoc+1)
if uid == 0:
sockets = bind_sockets(Baseport)
myfront = front.FrontEndApp(Idxservers, Docservers)
server = myfront.app
elif uid < numIdx + 1:
sockets = bind_sockets(Idxservers[uid-1].split(':')[-1])
myback_idx = back.BackEndApp('indexServer', uid-1, Idxservers[uid-1].split(':')[-1])
server = myback_idx.app
elif uid < numIdx + numDoc + 1:
sockets = bind_sockets(Docservers[uid-numIdx-1].split(':')[-1])
myback_doc = back.BackEndApp('docServer', uid-numIdx-1, Docservers[uid-numIdx-1].split(':')[-1])
server = myback_doc.app
server.add_sockets(sockets)
tornado.ioloop.IOLoop.instance().start()