- new option --force-http-connection-close for z2.py to prevent

        clients from maintaing pipelined connections to the Zope server
        (Collector #412)

ZServer/HTTPServer.py

@@ -103,6 +103,8 @@ class zhttp_collector:
 
 class zhttp_handler:
     "A medusa style handler for zhttp_server"
+
+    _force_connection_close = 0
         
     def __init__ (self, module, uri_base=None, env=None):
         """Creates a zope_handler
@@ -258,6 +260,8 @@ class zhttp_handler:
 
         env=self.get_environment(request)
         zresponse=make_response(request,env)
+        if self._force_connection_close:
+            zresponse._http_connection = 'close'
         zrequest=HTTPRequest(sin, env, zresponse)
         request.channel.current_request=None
         request.channel.queue.append((self.module_name, zrequest, zresponse))

doc/CHANGES.txt

@@ -90,6 +90,10 @@ Zope Changes
         by using the HTMLWithImages class (has been disabled prior 
         to Zope 2.6)
 
+      - new option --force-http-connection-close for z2.py to prevent
+        clients from maintaing pipelined connections to the Zope server
+        (Collector #412)
+
     Bugs:
     
       - External methods didn't properly setup func_defaults and func_code

lib/python/ZServer/HTTPServer.py

@@ -103,6 +103,8 @@ class zhttp_collector:
 
 class zhttp_handler:
     "A medusa style handler for zhttp_server"
+
+    _force_connection_close = 0
         
     def __init__ (self, module, uri_base=None, env=None):
         """Creates a zope_handler
@@ -258,6 +260,8 @@ class zhttp_handler:
 
         env=self.get_environment(request)
         zresponse=make_response(request,env)
+        if self._force_connection_close:
+            zresponse._http_connection = 'close'
         zrequest=HTTPRequest(sin, env, zresponse)
         request.channel.current_request=None
         request.channel.queue.append((self.module_name, zrequest, zresponse))

z2.py

@@ -114,6 +114,13 @@ Options:
 
     Multiple -W options can be provided to run multiple servers.
 
+  -C
+  --force-http-connection-close
+
+    If present, this option causes Zope to close all HTTP connections,
+    regardless of the 'Connection:' header (or lack of one) sent by
+    the client.
+
   -f port
   
     The FTP port.  If this is a dash (e.g. -f -), then FTP
@@ -357,8 +364,8 @@ try:
         raise 'Invalid python version', sys.version.split()[0]
 
     opts, args = getopt.getopt(sys.argv[1:],
-                               'hz:Z:t:i:a:d:u:w:W:f:p:m:Sl:2DP:rF:L:XM:',
-                               ['icp=',
+                               'hz:Z:t:i:a:d:u:w:W:f:p:m:Sl:2DP:rF:L:XM:C',
+                               ['icp=', 'force-http-connection-close'
                                ])
 
     DEBUG=0
@@ -408,6 +415,8 @@ try:
             MONITOR_PORT=server_info(MONITOR_PORT, v)
         elif o=='-w':
             HTTP_PORT=server_info(HTTP_PORT, v)
+        elif o=='-C' or o=='--force-http-connection-close':
+            FORCE_HTTP_CONNECTION_CLOSE=1
         elif o=='-W':
             WEBDAV_SOURCE_PORT=server_info(WEBDAV_SOURCE_PORT, v)
         elif o=='-f':
@@ -596,6 +605,8 @@ try:
             # environment to reflect the CGI environment of the other web
             # server.    
             zh = zhttp_handler(MODULE, '', HTTP_ENV)
+            if FORCE_HTTP_CONNECTION_CLOSE:
+                zh._force_connection_close = 1
             hs.install_handler(zh)
 
     # WebDAV source Server (runs HTTP, but munges request to return