[Zope-Checkins] CVS: Zope2 - select_trigger.py:1.4

[andreas@serenade.digicool.com]

Update of /cvs-repository/Zope2/ZServer/medusa/thread
In directory serenade.digicool.com:/tmp/cvs-serv12487/thread

Modified Files:
	select_trigger.py 
Log Message:
backport of former medusa patches



--- Updated File select_trigger.py in package Zope2 --
--- select_trigger.py	2001/05/01 11:45:27	1.3
+++ select_trigger.py	2001/05/01 12:03:20	1.4
@@ -89,8 +89,9 @@
                 
 else:
 
-        # win32-safe version
 
+    # win32-safe version
+
     class trigger (asyncore.dispatcher):
     
         address = ('127.9.9.9', 19999)
@@ -99,8 +100,22 @@
             a = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
             w = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
             
+            # set TCP_NODELAY to true to avoid buffering
+            w.setsockopt(socket.IPPROTO_TCP, 1, 1)
+            
             # tricky: get a pair of connected sockets
-            a.bind (self.address)
+            host='127.0.0.1'
+            port=19999
+            while 1:
+                try:
+                    self.address=(host, port)
+                    a.bind(self.address)
+                    break
+                except:
+                    if port <= 19950:
+                        raise 'Bind Error', 'Cannot bind trigger!'
+                    port=port - 1
+                    
             a.listen (1)
             w.setblocking (0)
             try: