From d78e0cc91947a06ae7687cb54f805787fb00d28f Mon Sep 17 00:00:00 2001
From: "Chris St. Pierre" <chris.a.st.pierre@gmail.com>
Date: Mon, 21 May 2012 09:02:30 -0400
Subject: fixed bug in pseudo fm, deduplicated code

---
 src/lib/Bcfg2/Server/FileMonitor/Inotify.py  | 19 ++++++++-----------
 src/lib/Bcfg2/Server/FileMonitor/Pseudo.py   | 17 +++++++----------
 src/lib/Bcfg2/Server/FileMonitor/__init__.py |  6 +-----
 3 files changed, 16 insertions(+), 26 deletions(-)

(limited to 'src/lib/Bcfg2')

diff --git a/src/lib/Bcfg2/Server/FileMonitor/Inotify.py b/src/lib/Bcfg2/Server/FileMonitor/Inotify.py
index 9743d868d..b87e10bd0 100644
--- a/src/lib/Bcfg2/Server/FileMonitor/Inotify.py
+++ b/src/lib/Bcfg2/Server/FileMonitor/Inotify.py
@@ -5,7 +5,8 @@ import stat
 import logging
 import operator
 import pyinotify
-from Bcfg2.Server.FileMonitor import FileMonitor, Event
+from Bcfg2.Server.FileMonitor import Event
+from Bcfg2.Server.FileMonitor.Pseudo import Pseudo
 
 logger = logging.getLogger(__name__)
 
@@ -20,12 +21,12 @@ class InotifyEvent(Event):
             self.action = self.action_map[event.mask]
 
 
-class Inotify(FileMonitor, pyinotify.ProcessEvent):
+class Inotify(Pseudo, pyinotify.ProcessEvent):
     __priority__ = 1
     mask = pyinotify.IN_CREATE | pyinotify.IN_DELETE | pyinotify.IN_MODIFY
 
     def __init__(self, ignore=None, debug=False):
-        FileMonitor.__init__(self, ignore=ignore, debug=debug)
+        Pseudo.__init__(self, ignore=ignore, debug=debug)
         self.wm = pyinotify.WatchManager()
         self.notifier = pyinotify.ThreadedNotifier(self.wm, self)
         self.notifier.start()
@@ -47,14 +48,10 @@ class Inotify(FileMonitor, pyinotify.ProcessEvent):
                     wd = watch.wd
         else:
             wd = res[path]
-        self.handles[wd] = obj
-        self.events.append(Event(wd, path, "exists"))
-
-        mode = os.stat(path)[stat.ST_MODE]
-        if stat.S_ISDIR(mode):
-            for wname in os.listdir(path):
-                self.events.append(Event(wd, wname, "exists"))
-        return wd
+
+        # inotify doesn't produce initial 'exists' events, so we
+        # inherit from Pseudo to produce those
+        return Pseudo.AddMonitor(self, path, obj, handleID=wd)
 
     def shutdown(self):
         self.notifier.stop()
diff --git a/src/lib/Bcfg2/Server/FileMonitor/Pseudo.py b/src/lib/Bcfg2/Server/FileMonitor/Pseudo.py
index 4c2d90250..baff871d0 100644
--- a/src/lib/Bcfg2/Server/FileMonitor/Pseudo.py
+++ b/src/lib/Bcfg2/Server/FileMonitor/Pseudo.py
@@ -10,21 +10,18 @@ logger = logging.getLogger(__name__)
 class Pseudo(FileMonitor):
     __priority__ = 99
 
-    def AddMonitor(self, path, obj):
+    def AddMonitor(self, path, obj, handleID=None):
         """add a monitor to path, installing a callback to obj.HandleEvent"""
-        handleID = len(list(self.handles.keys()))
+        if handleID is None:
+            handleID = len(list(self.handles.keys()))
         mode = os.stat(path)[stat.ST_MODE]
-        handle = Event(handleID, path, 'exists')
+        self.events.append(Event(handleID, path, 'exists'))
         if stat.S_ISDIR(mode):
             dirList = os.listdir(path)
-            self.pending_events.append(handle)
             for includedFile in dirList:
-                self.pending_events.append(Event(handleID,
-                                                 includedFile,
-                                                 'exists'))
-            self.pending_events.append(Event(handleID, path, 'endExist'))
-        else:
-            self.pending_events.append(Event(handleID, path, 'exists'))
+                self.events.append(Event(handleID, includedFile, 'exists'))
+            self.events.append(Event(handleID, path, 'endExist'))
+
         if obj != None:
             self.handles[handleID] = obj
         return handleID
diff --git a/src/lib/Bcfg2/Server/FileMonitor/__init__.py b/src/lib/Bcfg2/Server/FileMonitor/__init__.py
index 40c3253b9..7b61c5bb9 100644
--- a/src/lib/Bcfg2/Server/FileMonitor/__init__.py
+++ b/src/lib/Bcfg2/Server/FileMonitor/__init__.py
@@ -41,11 +41,7 @@ class FileMonitor(object):
         return "%s: %s" % (__name__, self.__class__.__name__)
 
     def __repr__(self):
-        if self.pending():
-            events = "has"
-        else:
-            events = "no"
-        return "%s (%s events, fd %s)" % (str(self), events, self.fileno)
+        return "%s (%s events, fd %s)" % (str(self), len(events), self.fileno)
 
     def should_ignore(self, event):
         for pattern in self.ignore:
-- 
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