--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iro/controller/pool.py	Thu Sep 27 17:15:46 2012 +0200
@@ -0,0 +1,63 @@
+# Copyright (c) 2012 netzguerilla.net <iro@netzguerilla.net>
+# 
+# This file is part of Iro.
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a copy of
+# this software and associated documentation files (the "Software"), to deal in
+# the Software without restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+# #Software, and to permit persons to whom the Software is furnished to do so,
+# subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+# PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+from twisted.python.threadpool import ThreadPool
+from twisted.internet import threads
+
+class Pool:
+    """wrapper class to handles a twisted threadpool"""
+    def __init__(self,name,maxthreads):
+        """
+        :param string name: name of the threadpool
+        :param integer maxthreads: how many thread a allowed at maximum
+        """
+        self.maxthreads = maxthreads
+        self.pool =  ThreadPool(minthreads=1, maxthreads=maxthreads, name=name)
+        self.reactor = None
+
+    def start(self, reactor):
+        """stats the pool and adds the pool.stop function to the stop procedure.
+        
+        :param reactor: a valid twisted reactor
+        """
+        self.pool.start()
+        self.reactor = reactor
+        self.reactor.addSystemEventTrigger('before', 'shutdown', self.pool.stop)
+
+    def run(self,f,*args,**kwargs):
+        """run a function in Twisted's thread pool"""
+        return threads.deferToThreadPool(self.reactor, self.pool, f, *args, **kwargs)
+
+taskPool = Pool('task',5)
+"""taskpool to handle sending data"""
+
+dbPool = Pool('database',5)
+"""pool to handle database connection via sqlalchemy""" 
+
+pools=[taskPool,dbPool]
+"""all available pools"""
+
+def startPool(reactor):
+    '''run start function for all items in :attr:`pools`'''
+    for pool in pools:
+        pool.start(reactor)
+
+__all__=["Pool", "startPool", "dbPool", "taskPool", "pools"]