--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fixbot/logwatch_sources.py	Mon Sep 15 00:27:05 2008 +0300
@@ -0,0 +1,91 @@
+from twisted.internet import reactor, protocol
+from twisted.python import log
+
+import fifo
+
+class LogSource (object) :
+    def __init__ (self, name, filters) :
+        # set later on
+        self.module = None
+        
+        # what filters to apply
+        self.filters = filters
+        
+        # name, for display purposes
+        self.name = name
+
+        # used to gather data together into lines
+        self.buf = ""
+
+    def setModule (self, module) :
+        self.module = module
+
+    def handleError (self, msg) :
+        log.err(msg)
+        self.module.error(msg)
+
+    def handleData (self, data) :
+        data = self.buf + data
+        
+        while "\n" in data :
+            line, data = data.split("\n", 1)
+
+            self.handleLine(line)
+
+        self.buf = data
+
+    def handleLine (self, line) :
+        log.msg("Matching line `%s'..." % line)
+
+        for filter in self.filters :
+            out = filter.test(line)
+
+            if out :
+                log.msg("\t%s: %s" % (filter.event_type, out))
+                self.module.sendEvent(filter.event_type, out)
+
+                break
+            elif out is False :
+                return
+            else :  # None
+                continue
+
+class File (LogSource, protocol.ProcessProtocol) :
+    def __init__ (self, name, path, filters) :
+        super(File, self).__init__(name, filters)
+
+        self.path = path
+
+        log.msg("spawning tail process for %s:%s" % (name, path))
+
+        reactor.spawnProcess(self, "/usr/bin/tail", ["tail", "-n0", "--follow=name", path])
+
+    def errReceived (self, data) :
+        self.handleError("tail for %s: %s" % (self.name, data))
+
+    def outReceived (self, data) :
+        self.handleData(data)
+
+    def processEnded (self, reason) :
+        self.handleError("tail process for %s quit: %s" % (self.name, reason.getErrorMessage()))
+
+class Fifo (LogSource, fifo.Fifo) :
+    def __init__ (self, name, path, filters) :
+        LogSource.__init__(self, name, filters)
+
+        log.msg("opening fifo for %s:%s" % (name, path))
+
+        fifo.Fifo.__init__(self, path)
+    
+    def dataReceived (self, data) :
+        self.handleData(data)
+
+    def handleEOF (self) :
+        self.handleError("!!! EOF on fifo %s, re-opening" % self.name)
+        self.reopen()
+    
+    def connectionLost (self, reason) :
+        super(Fifo, self).connectionLost(reason)
+        self.handleError("lost fifo for %s: %s" % (self.name, reason.getErrorMessage()))
+
+