Twisted support.

lib/python/Zope2/Startup/__init__.py

@@ -20,12 +20,11 @@ import sys
 import socket
 from re import compile
 from socket import gethostbyaddr
+import twisted.internet.reactor
 
 import ZConfig
-
 from ZConfig.components.logger import loghandler
 
-
 logger = logging.getLogger("Zope")
 started = False
 
@@ -96,6 +95,9 @@ class ZopeStarter:
         self.makePidFile()
         self.setupInterpreter()
         self.startZope()
+        from App.config import getConfiguration
+        config = getConfiguration()
+        if not config.twisted_servers:
             self.registerSignals()
         # emit a "ready" message in order to prevent the kinds of emails
         # to the Zope maillist in which people claim that Zope has "frozen"
@@ -106,6 +108,11 @@ class ZopeStarter:
     def run(self):
         # the mainloop.
         try:
+            from App.config import getConfiguration
+            config = getConfiguration()
+            if config.twisted_servers:
+                twisted.internet.reactor.run()
+            else:
                 import ZServer
                 import Lifetime
                 Lifetime.loop()

lib/python/Zope2/Startup/handlers.py

 import os
 import sys
+import time
+import logging
 from re import compile
 from socket import gethostbyaddr
 
+import twisted.internet
+from twisted.application.service import MultiService
+import zope.app.appsetup.interfaces
+import zope.app.twisted.main
+
 # top-level key handlers
 
 
@@ -143,7 +150,8 @@ def catalog_getObject_raises(value):
 def root_handler(config):
     """ Mutate the configuration with defaults and perform
     fixups of values that require knowledge about configuration
-    values outside of their context. """
+    values outside of their context.
+    """
 
     # Set environment variables
     for k,v in config.environment.items():
@@ -190,6 +198,23 @@ def root_handler(config):
                         config.cgi_environment,
                         config.port_base)
 
+    if not config.twisted_servers:
+        config.twisted_servers = []
+    else:
+        # Set number of threads (reuse zserver_threads variable)
+        twisted.internet.reactor.suggestThreadPoolSize(config.zserver_threads)
+
+        # Create a root service
+        rootService = MultiService()
+
+        for server in config.twisted_servers:
+            service = server.create(None)
+            service.setServiceParent(rootService)
+
+        rootService.startService()
+        twisted.internet.reactor.addSystemEventTrigger(
+            'before', 'shutdown', rootService.stopService)
+
     # set up trusted proxies
     if config.trusted_proxies:
         import ZPublisher.HTTPRequest
@@ -217,3 +242,29 @@ def _name2Ips(host, isIp_=compile(r'(\d+\.){3}').match):
     if isIp_(host): return [host]
     return gethostbyaddr(host)[2]
 
+# XXX Need to find a better place for this.
+
+import twisted.web2.wsgi
+import twisted.web2.server
+import twisted.web2.log
+
+try:
+    from twisted.web2.http import HTTPFactory
+except ImportError:
+    from twisted.web2.channel.http import HTTPFactory
+
+from zope.component import provideUtility
+from zope.app.twisted.server import ServerType, SSLServerType
+from zope.app.twisted.interfaces import IServerType
+from ZPublisher.WSGIPublisher import publish_module
+
+def createHTTPFactory(ignored):
+    resource = twisted.web2.wsgi.WSGIResource(
+        publish_module)
+    resource = twisted.web2.log.LogWrapperResource(resource)
+
+    return HTTPFactory(twisted.web2.server.Site(resource))
+
+http = ServerType(createHTTPFactory, 8080)
+
+provideUtility(http, IServerType, 'Zope2-HTTP')

lib/python/Zope2/Startup/zopeschema.xml

@@ -11,6 +11,12 @@
   <import package="tempstorage"/>
   <import package="Zope2.Startup" file="warnfilter.xml"/>
 
+  <sectiontype name="server" datatype="zope.app.twisted.server.ServerFactory">
+    <key name="type" required="yes" />
+    <key name="address" datatype="inet-address" />
+    <key name="backlog" datatype="integer" default="50" />
+  </sectiontype>
+
   <sectiontype name="logger" datatype=".LoggerFactory">
     <description>
       This "logger" type only applies to access and request ("trace")
@@ -805,7 +811,9 @@
      <metadefault>on</metadefault>
   </key>
 
+  <multisection type="server" name="*" attribute="twisted_servers" />
   <multisection type="ZServer.server" name="*" attribute="servers"/>
+
   <key name="port-base" datatype="integer" default="0">
     <description>
       Base port number that gets added to the specific port numbers