Refactored src/server, splitting out into a portal subdirectory to make it clearer what goes on which "side".
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Griatch
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13 changed files with 179 additions and 175 deletions
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"""
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This module implements the main Evennia server process, the core of
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the game engine.
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This module should be started with the 'twistd' executable since it
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sets up all the networking features. (this is done automatically
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by game/evennia.py).
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"""
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import sys
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import os
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if os.name == 'nt':
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# For Windows batchfile we need an extra path insertion here.
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sys.path.insert(0, os.path.dirname(os.path.dirname(
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os.path.dirname(os.path.abspath(__file__)))))
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from twisted.application import internet, service
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from twisted.internet import protocol, reactor
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from twisted.web import server, static
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from django.conf import settings
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from src.utils.utils import get_evennia_version, mod_import, make_iter
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from src.server.sessionhandler import PORTAL_SESSIONS
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PORTAL_SERVICES_PLUGIN_MODULES = [mod_import(module) for module in make_iter(settings.PORTAL_SERVICES_PLUGIN_MODULES)]
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if os.name == 'nt':
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# For Windows we need to handle pid files manually.
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PORTAL_PIDFILE = os.path.join(settings.GAME_DIR, 'portal.pid')
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#------------------------------------------------------------
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# Evennia Portal settings
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#------------------------------------------------------------
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VERSION = get_evennia_version()
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SERVERNAME = settings.SERVERNAME
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PORTAL_RESTART = os.path.join(settings.GAME_DIR, 'portal.restart')
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TELNET_PORTS = settings.TELNET_PORTS
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SSL_PORTS = settings.SSL_PORTS
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SSH_PORTS = settings.SSH_PORTS
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WEBSERVER_PORTS = settings.WEBSERVER_PORTS
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TELNET_INTERFACES = settings.TELNET_INTERFACES
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SSL_INTERFACES = settings.SSL_INTERFACES
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SSH_INTERFACES = settings.SSH_INTERFACES
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WEBSERVER_INTERFACES = settings.WEBSERVER_INTERFACES
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TELNET_ENABLED = settings.TELNET_ENABLED and TELNET_PORTS and TELNET_INTERFACES
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SSL_ENABLED = settings.SSL_ENABLED and SSL_PORTS and SSL_INTERFACES
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SSH_ENABLED = settings.SSH_ENABLED and SSH_PORTS and SSH_INTERFACES
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WEBSERVER_ENABLED = settings.WEBSERVER_ENABLED and WEBSERVER_PORTS and WEBSERVER_INTERFACES
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WEBCLIENT_ENABLED = settings.WEBCLIENT_ENABLED
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AMP_HOST = settings.AMP_HOST
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AMP_PORT = settings.AMP_PORT
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AMP_ENABLED = AMP_HOST and AMP_PORT
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#------------------------------------------------------------
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# Portal Service object
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#------------------------------------------------------------
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class Portal(object):
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"""
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The main Portal server handler. This object sets up the database and
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tracks and interlinks all the twisted network services that make up
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Portal.
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"""
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def __init__(self, application):
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"""
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Setup the server.
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application - an instantiated Twisted application
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"""
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sys.path.append('.')
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# create a store of services
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self.services = service.IServiceCollection(application)
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self.amp_protocol = None # set by amp factory
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self.sessions = PORTAL_SESSIONS
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self.sessions.portal = self
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# set a callback if the server is killed abruptly,
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# by Ctrl-C, reboot etc.
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reactor.addSystemEventTrigger('before', 'shutdown', self.shutdown, _reactor_stopping=True)
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self.game_running = False
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def set_restart_mode(self, mode=None):
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"""
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This manages the flag file that tells the runner if the server should
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be restarted or is shutting down. Valid modes are True/False and None.
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If mode is None, no change will be done to the flag file.
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"""
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if mode == None:
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return
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f = open(PORTAL_RESTART, 'w')
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print "writing mode=%(mode)s to %(portal_restart)s" % {'mode': mode, 'portal_restart': PORTAL_RESTART}
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f.write(str(mode))
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f.close()
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def shutdown(self, restart=None, _reactor_stopping=False):
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"""
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Shuts down the server from inside it.
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restart - True/False sets the flags so the server will be
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restarted or not. If None, the current flag setting
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(set at initialization or previous runs) is used.
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_reactor_stopping - this is set if server is already in the process of
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shutting down; in this case we don't need to stop it again.
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Note that restarting (regardless of the setting) will not work
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if the Portal is currently running in daemon mode. In that
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case it always needs to be restarted manually.
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"""
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if _reactor_stopping and hasattr(self, "shutdown_complete"):
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# we get here due to us calling reactor.stop below. No need
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# to do the shutdown procedure again.
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return
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self.set_restart_mode(restart)
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if os.name == 'nt' and os.path.exists(PORTAL_PIDFILE):
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# for Windows we need to remove pid files manually
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os.remove(PORTAL_PIDFILE)
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if not _reactor_stopping:
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# shutting down the reactor will trigger another signal. We set
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# a flag to avoid loops.
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self.shutdown_complete = True
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reactor.callLater(0, reactor.stop)
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#------------------------------------------------------------
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#
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# Start the Portal proxy server and add all active services
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#
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#------------------------------------------------------------
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# twistd requires us to define the variable 'application' so it knows
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# what to execute from.
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application = service.Application('Portal')
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# The main Portal server program. This sets up the database
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# and is where we store all the other services.
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PORTAL = Portal(application)
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print '-' * 50
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print ' %(servername)s Portal (%(version)s) started.' % {'servername': SERVERNAME, 'version': VERSION}
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if AMP_ENABLED:
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# The AMP protocol handles the communication between
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# the portal and the mud server. Only reason to ever deactivate
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# it would be during testing and debugging.
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from src.server import amp
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factory = amp.AmpClientFactory(PORTAL)
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amp_client = internet.TCPClient(AMP_HOST, AMP_PORT, factory)
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amp_client.setName('evennia_amp')
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PORTAL.services.addService(amp_client)
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# We group all the various services under the same twisted app.
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# These will gradually be started as they are initialized below.
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if TELNET_ENABLED:
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# Start telnet game connections
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from src.server import telnet
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for interface in TELNET_INTERFACES:
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if ":" in interface:
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print " iPv6 interfaces not yet supported"
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continue
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ifacestr = ""
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if interface != '0.0.0.0' or len(TELNET_INTERFACES) > 1:
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ifacestr = "-%s" % interface
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for port in TELNET_PORTS:
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pstring = "%s:%s" % (ifacestr, port)
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factory = protocol.ServerFactory()
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factory.protocol = telnet.TelnetProtocol
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factory.sessionhandler = PORTAL_SESSIONS
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telnet_service = internet.TCPServer(port, factory, interface=interface)
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telnet_service.setName('EvenniaTelnet%s' % pstring)
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PORTAL.services.addService(telnet_service)
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print ' telnet%s: %s' % (ifacestr, port)
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if SSL_ENABLED:
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# Start SSL game connection (requires PyOpenSSL).
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from src.server import ssl
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for interface in SSL_INTERFACES:
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if ":" in interface:
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print " iPv6 interfaces not yet supported"
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continue
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ifacestr = ""
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if interface != '0.0.0.0' or len(SSL_INTERFACES) > 1:
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ifacestr = "-%s" % interface
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for port in SSL_PORTS:
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pstring = "%s:%s" % (ifacestr, port)
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factory = protocol.ServerFactory()
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factory.sessionhandler = PORTAL_SESSIONS
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factory.protocol = ssl.SSLProtocol
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ssl_service = internet.SSLServer(port, factory, ssl.getSSLContext(), interface=interface)
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ssl_service.setName('EvenniaSSL%s' % pstring)
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PORTAL.services.addService(ssl_service)
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print " ssl%s: %s" % (ifacestr, port)
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if SSH_ENABLED:
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# Start SSH game connections. Will create a keypair in evennia/game if necessary.
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from src.server import ssh
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for interface in SSH_INTERFACES:
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if ":" in interface:
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print " iPv6 interfaces not yet supported"
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continue
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ifacestr = ""
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if interface != '0.0.0.0' or len(SSH_INTERFACES) > 1:
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ifacestr = "-%s" % interface
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for port in SSH_PORTS:
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pstring = "%s:%s" % (ifacestr, port)
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factory = ssh.makeFactory({'protocolFactory':ssh.SshProtocol,
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'protocolArgs':(),
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'sessions':PORTAL_SESSIONS})
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ssh_service = internet.TCPServer(port, factory, interface=interface)
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ssh_service.setName('EvenniaSSH%s' % pstring)
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PORTAL.services.addService(ssh_service)
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print " ssl%s: %s" % (ifacestr, port)
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if WEBSERVER_ENABLED:
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# Start a django-compatible webserver.
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from twisted.python import threadpool
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from src.server.webserver import DjangoWebRoot, WSGIWebServer
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# start a thread pool and define the root url (/) as a wsgi resource
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# recognized by Django
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threads = threadpool.ThreadPool()
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web_root = DjangoWebRoot(threads)
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# point our media resources to url /media
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web_root.putChild("media", static.File(settings.MEDIA_ROOT))
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webclientstr = ""
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if WEBCLIENT_ENABLED:
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# create ajax client processes at /webclientdata
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from src.server.webclient import WebClient
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webclient = WebClient()
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webclient.sessionhandler = PORTAL_SESSIONS
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web_root.putChild("webclientdata", webclient)
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webclientstr = "/client"
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web_site = server.Site(web_root, logPath=settings.HTTP_LOG_FILE)
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for interface in WEBSERVER_INTERFACES:
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if ":" in interface:
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print " iPv6 interfaces not yet supported"
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continue
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ifacestr = ""
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if interface != '0.0.0.0' or len(WEBSERVER_INTERFACES) > 1:
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ifacestr = "-%s" % interface
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for port in WEBSERVER_PORTS:
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pstring = "%s:%s" % (ifacestr, port)
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# create the webserver
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webserver = WSGIWebServer(threads, port, web_site, interface=interface)
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webserver.setName('EvenniaWebServer%s' % pstring)
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PORTAL.services.addService(webserver)
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print " webserver%s%s: %s" % (webclientstr, ifacestr, port)
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for plugin_module in PORTAL_SERVICES_PLUGIN_MODULES:
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# external plugin services to start
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plugin_module.start_plugin_services(PORTAL)
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print '-' * 50 # end of terminal output
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if os.name == 'nt':
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# Windows only: Set PID file manually
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f = open(os.path.join(settings.GAME_DIR, 'portal.pid'), 'w')
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f.write(str(os.getpid()))
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f.close()
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