From 2bdad0ae7a3a6e4ec5116becd39910388b679ed2 Mon Sep 17 00:00:00 2001
From: Leif Johansson <leifj@sunet.se>
Date: Thu, 4 Oct 2012 15:39:08 +0200
Subject: restructure

---
 meetingtools/ac/__init__.py | 57 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 meetingtools/ac/__init__.py

(limited to 'meetingtools/ac/__init__.py')

diff --git a/meetingtools/ac/__init__.py b/meetingtools/ac/__init__.py
new file mode 100644
index 0000000..2bbd25f
--- /dev/null
+++ b/meetingtools/ac/__init__.py
@@ -0,0 +1,57 @@
+from meetingtools.ac.api import ACPClient
+import time
+from meetingtools.apps.cluster.models import acc_for_user
+from django.core.cache import cache
+from Queue import Queue
+import logging
+from django.contrib.auth.models import User
+
+_pools = {}
+
+MAXCALLS = 10    
+MAXIDLE = 10
+
+class ClientPool(object):
+    
+    def __init__(self,acc,maxsize=0,increment=2):
+        self._q = Queue(maxsize)
+        self._acc = acc
+        self._increment = increment
+    
+    def allocate(self):
+        now = time.time()
+        api = None
+        while not api:
+            if self._q.empty():
+                for i in range(1,self._increment):
+                    logging.debug("adding instance %d" % i)
+                    api = ACPClient(self._acc.api_url,self._acc.user,self._acc.password,cpool=self)
+                    self._q.put_nowait(api)
+            
+            api = self._q.get()
+            if api and (api.age > MAXCALLS or now - api.lastused > MAXIDLE):
+                api = None
+        return api
+
+# with ac_api_client(acc) as api
+#    ...
+
+def ac_api_client(o):
+    acc = o
+    logging.debug("ac_api_client(%s)" % repr(o))
+    if hasattr(o,'user') and isinstance(getattr(o,'user'),User):
+        acc = acc_for_user(getattr(o,'user'))
+    elif hasattr(o,'acc'):
+        acc = getattr(o,'acc')
+    
+    tag = 'ac_api_client_%d' % acc.id
+    pool = _pools.get(tag)
+    if pool is None:
+        pool = ClientPool(acc,maxsize=30)
+        _pools[tag] = pool
+        
+    return pool.allocate()
+
+
+
+    
\ No newline at end of file
-- 
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