Improve scaling behavior for non-forked handlers. Basically,

once a handler (ie GetConfig) is executed synchronously, 
fork of a child process in order to get more parallelism out of the server. 
This will help in the case that some clients are slow (no m2crypto, etc)


git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@4420 ce84e21b-d406-0410-9b95-82705330c041

1 files changed, 6 insertions, 0 deletions

diff --git a/src/lib/Component.py b/src/lib/Component.py
index 645c2d5b1..b70e76e05 100644
--- a/src/lib/Component.py
+++ b/src/lib/Component.py
@@ -25,6 +25,7 @@ class ForkedChild(Exception):
 
 class CobaltXMLRPCRequestHandler(SimpleXMLRPCServer.SimpleXMLRPCRequestHandler):
     '''CobaltXMLRPCRequestHandler takes care of ssl xmlrpc requests'''
+    masterpid = os.getpid()
 
     def do_POST(self):
         '''Overload do_POST to pass through client address information'''
@@ -59,6 +60,11 @@ class CobaltXMLRPCRequestHandler(SimpleXMLRPCServer.SimpleXMLRPCRequestHandler):
             self.end_headers()
         else:
             # got a valid XML RPC response
+            if os.getpid() != self.masterpid:
+                pid = os.fork()
+                if pid:
+                    self.cleanup = False
+                    return
             try:
                 self.send_response(200)
                 self.send_header("Content-type", "text/xml")