/
Servers.py
81 lines (59 loc) · 2.36 KB
/
Servers.py
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import SocketServer
import threading
import pickle
import traceback
import time
import Constants
from LoggingSetup import logger
class Server:
def createIdleLoop( self, interval, function ):
self.idleThread = threading.Thread( target = self.idleLoop,
name = "idle thread",
args = ( interval, function )
)
self.idleThread.start( )
def idleLoop( self, interval, function ):
while True:
try:
function( )
except Exception, e:
logger.error( """Idle loop exception:
%s""", traceback.format_exc( e ) )
time.sleep( interval )
class LocalServer( Server ): pass
class MySocketServer( SocketServer.TCPServer ):
allow_reuse_address = True
class TCPServer( Server ):
def __init__( self,
port = Constants.PORT,
):
MyTCPHandler.TCPserver = self
logger.info( 'open socket %r %s', "", port )
self.serverObject = MySocketServer( ( "", port),
MyTCPHandler)
self.serverThread = threading.Thread( target = runTheServer,
name = "server thread",
args = ( self.serverObject, )
)
self.serverThread.start( )
def shutdown( self ):
self.serverObject.shutdown( )
def runTheServer( serverObject ):
logger.info ("off to the races")
serverObject.serve_forever( )
class MyTCPHandler( SocketServer.StreamRequestHandler ):
TCPserver = None # the Hydra server object, NOT the SocketServer.
def handle( self ):
logger.info ("request")
try:
questionBytes = self.rfile.read( )
question = pickle.loads( questionBytes )
logger.debug(question)
answer = question.computeAnswer( self.TCPserver )
answerBytes = pickle.dumps( answer )
self.wfile.write( answerBytes )
except:
logger.error( """Exception caught:
%s""", traceback.format_exc( ) )
import Questions # this import is necessary for unpickling questions and was moved to the bottom negate a circular import problem
Questions