watchd: introduce configurable 'outage_threshold'

config.ini.sample

@@ -11,6 +11,7 @@ debug = false
 checktime = 3600
 perfail_checktime = 3600
 database = proxies.sqlite
+outage_threshold = 4
 
 [ppf]
 max_fail = 5

config.py

@@ -12,6 +12,7 @@ class Config(ComboParser):
 		self.add_item(section, 'tor_hosts', str, '127.0.0.1:9050', 'comma-separated list of tor proxy address(es)', True)
 
 		section = 'watchd'
+		self.add_item(section, 'outage_threshold', float, 4.0, 'mininum success percentage required to not drop check results', False)
 		self.add_item(section, 'max_fail', int, 5, 'number of fails after which a proxy is considered dead', False)
 		self.add_item(section, 'threads', int, 10, 'number of threads watchd uses to check proxies', True)
 		self.add_item(section, 'timeout', int, 15, 'timeout for blocking operations (connect/recv/...) for proxy checks in seconds', False)

proxywatchd.py

@@ -286,7 +286,7 @@ class Proxywatchd():
 
 		success_rate = (float(sc) / len(self.collected)) * 100
 		ret = True
-		if len(self.collected) >= 100 and success_rate <= 2.0:
+		if len(self.collected) >= 100 and success_rate <= config.watchd.outage_threshold:
 			_log("WATCHD %.2f%% SUCCESS RATE - tor circuit blocked? won't submit fails"%success_rate, "ERROR")
 			if sc == 0: return False
 			args = []