<s> """<STR_LIT>""" <EOL> from twisted . application import service , internet <EOL> from twisted . internet import reactor , defer <EOL> from starpy import manager , fastagi <EOL> import utilapplication <EOL> import menu <EOL> import os , logging , pprint , time <EOL> from basicproperty import common , propertied , basic <EOL> log = logging . getLogger ( '<STR_LIT>' ) <EOL> log . setLevel ( logging . INFO ) <EOL> class ChannelTracker ( propertied . Propertied ) : <EOL> """<STR_LIT>""" <EOL> channels = common . DictionaryProperty ( <EOL> "<STR_LIT>" , """<STR_LIT>""" , <EOL> ) <EOL> thresholdCount = common . IntegerProperty ( <EOL> "<STR_LIT>" , """<STR_LIT>""" , <EOL> defaultValue = <NUM_LIT:20> , <EOL> ) <EOL> def main ( self ) : <EOL> """<STR_LIT>""" <EOL> amiDF = APPLICATION . amiSpecifier . login ( <EOL> ) . addCallback ( self . onAMIConnect ) <EOL> def onAMIConnect ( self , ami ) : <EOL> """<STR_LIT>""" <EOL> log . debug ( '<STR_LIT>' ) <EOL> ami . status ( ) . addCallback ( self . onStatus , ami = ami ) <EOL> ami . registerEvent ( '<STR_LIT>' , self . onChannelHangup ) <EOL> ami . registerEvent ( '<STR_LIT>' , self . onChannelNew ) <EOL> def interestingEvent ( self , event , ami = None ) : <EOL> """<STR_LIT>""" <EOL> return True <EOL> def onStatus ( self , events , ami = None ) : <EOL> """<STR_LIT>""" <EOL> log . debug ( """<STR_LIT>""" ) <EOL> for event in events : <EOL> self . onChannelNew ( ami , event ) <EOL> def onChannelNew ( self , ami , event ) : <EOL> """<STR_LIT>""" <EOL> log . debug ( """<STR_LIT>""" , event ) <EOL> if self . interestingEvent ( event , ami ) : <EOL> opening = not self . channels . has_key ( event [ '<STR_LIT>' ] ) <EOL> self . channels [ event [ '<STR_LIT>' ] ] = event <EOL> if opening : <EOL> self . onChannelChange ( ami , event , opening = opening ) <EOL> def onChannelHangup ( self , ami , event ) : <EOL> """<STR_LIT>""" <EOL> if self . interestingEvent ( event , ami ) : <EOL> try : <EOL> del self . channels [ event [ '<STR_LIT>' ] ] <EOL> except KeyError , err : <EOL> log . warn ( """<STR_LIT>""" , event ) <EOL> else : <EOL> log . debug ( """<STR_LIT>""" , event ) <EOL> self . onChannelChange ( ami , event , opening = False ) <EOL> def onChannelChange ( self , ami , event , opening = False ) : <EOL> """<STR_LIT>""" <EOL> if opening and len ( self . channels ) > self . thresholdCount : <EOL> log . warn ( """<STR_LIT>""" , len ( self . channels ) ) <EOL> else : <EOL> log . info ( """<STR_LIT>""" , len ( self . channels ) ) <EOL> APPLICATION = utilapplication . UtilApplication ( ) <EOL> if __name__ == "<STR_LIT:__main__>" : <EOL> logging . basicConfig ( ) <EOL> tracker = ChannelTracker ( ) <EOL> reactor . callWhenRunning ( tracker . main ) <EOL> reactor . run ( ) </s>
