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#!/usr/bin/env python
#coding=utf8
import logging
import socket
from sjrpc.server import SimpleSslRpcServer
from handlers import WelcomeHandler
from conf import CCConf
from client import CCClient
class CCServer(object):
'''
CloudControl server main class.
:param conf_dir: the directory that store the client configuration
:param certfile: the path to the ssl certificate
:param keyfile: the path to the ssl key
:param address: the interface to bind
:param port: the port to bind
'''
LISTEN_BACKLOG = 5
def __init__(self, conf_dir, certfile=None, keyfile=None,
address='0.0.0.0', port=1984):
# Dict containing all connected accounts, the key is the login of
# the account and the value the :class:`RpcConnection` of the peer:
self._connected = {}
# The interface object to the configuration directory:
self.conf = CCConf(conf_dir)
# Create the server socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind((address, port))
sock.listen(CCServer.LISTEN_BACKLOG)
if certfile:
logging.info('SSL Certificate: %s' % certfile)
if keyfile:
logging.info('SSL Key: %s' % certfile)
logging.info('Started to listen on %s port %s' % (address, port))
# Create the connection manager:
self.manager = SimpleSslRpcServer(sock, certfile=certfile,
keyfile=keyfile,
default_handler=WelcomeHandler(self))
def iterrole(self, role):
'''
Generator to iter on each connected client with specified role.
:param role: role to filter
'''
for login, client in self._connected.iteritems():
if client.connection.get_handler().__class__.role_name == role:
yield client
def register(self, login, role, connection):
'''
Register a new connected account on the server.
:param login: login of the account
:param connection: connection to register
:param tags: tags to add for the client
'''
self._connected[login] = CCClient(login, role, self, connection)
def search_client_by_connection(self, connection):
'''
Search a connected client by it connection. If no client is found,
return None.
:param connection: the connection of the client to search
:return: the found client or None
'''
for client in self._connected.values():
if client.connection is connection:
return client
else:
return None
def run(self):
'''
Run the server mainloop.
'''
logging.info('Running manager mainloop')
self.manager.run()