<s> import json <EOL> from twisted . application import service , internet <EOL> from twisted . web import server , resource , http <EOL> class Status ( resource . Resource ) : <EOL> isLeaf = True <EOL> time_high_water = <NUM_LIT> <EOL> def __init__ ( self , processor , statsd_service ) : <EOL> resource . Resource . __init__ ( self ) <EOL> self . processor = processor <EOL> self . statsd_service = statsd_service <EOL> def render_GET ( self , request ) : <EOL> data = dict ( flush_time = self . processor . last_flush_duration , <EOL> process_time = self . processor . last_process_duration , <EOL> flush_interval = self . statsd_service . flush_interval ) <EOL> if data [ "<STR_LIT>" ] * self . time_high_water < ( <EOL> data [ "<STR_LIT>" ] + data [ "<STR_LIT>" ] ) : <EOL> data [ "<STR_LIT:status>" ] = "<STR_LIT>" <EOL> request . setResponseCode ( http . INTERNAL_SERVER_ERROR ) <EOL> return json . dumps ( data ) <EOL> data [ "<STR_LIT:status>" ] = "<STR_LIT:OK>" <EOL> return json . dumps ( data ) <EOL> class ListMetrics ( resource . Resource ) : <EOL> def __init__ ( self , processor ) : <EOL> resource . Resource . __init__ ( self ) <EOL> self . processor = processor <EOL> def render_GET ( self , request ) : <EOL> data = dict ( names = self . processor . get_metric_names ( ) ) <EOL> return json . dumps ( data ) <EOL> class Metrics ( resource . Resource ) : <EOL> def __init__ ( self , processor ) : <EOL> resource . Resource . __init__ ( self ) <EOL> self . processor = processor <EOL> def getChild ( self , name , request ) : <EOL> metric = self . processor . timer_metrics . get ( name , None ) or self . processor . plugin_metrics . get ( name , None ) <EOL> if metric is None : <EOL> return resource . NoResource ( ) <EOL> meth = getattr ( metric , "<STR_LIT>" , None ) <EOL> if meth is None : <EOL> return resource . NoResource ( ) <EOL> return meth ( ) <EOL> class TimerResource ( resource . Resource ) : <EOL> isLeaf = True <EOL> def __init__ ( self , reporter ) : <EOL> resource . Resource . __init__ ( self ) <EOL> self . reporter = reporter <EOL> def render_GET ( self , request ) : <EOL> result = dict ( <EOL> histogram = self . reporter . histogram . histogram ( ) , <EOL> max_value = self . reporter . max ( ) , <EOL> min_value = self . reporter . min ( ) ) <EOL> return json . dumps ( result ) <EOL> def makeService ( options , processor , statsd_service ) : <EOL> if options [ "<STR_LIT>" ] is None : <EOL> return service . MultiService ( ) <EOL> root = resource . Resource ( ) <EOL> root . putChild ( "<STR_LIT:status>" , Status ( processor , statsd_service ) ) <EOL> root . putChild ( "<STR_LIT>" , Metrics ( processor ) ) <EOL> root . putChild ( "<STR_LIT>" , ListMetrics ( processor ) ) <EOL> site = server . Site ( root ) <EOL> s = internet . TCPServer ( int ( options [ "<STR_LIT>" ] ) , site ) <EOL> return s </s>
