[tor-commits] [ooni-probe/master] Properly handle the cancelled failure.

[art@xxxxxxxxxxxxxx]

commit 4ec9ff261c020d90ca3c45e9f81c1c9e70ff9936
Author: Arturo Filastò <art@xxxxxxxxx>
Date:   Mon Feb 3 18:16:31 2014 +0100

    Properly handle the cancelled failure.
---
 ooni/errors.py   |   11 ++++++++++-
 ooni/reporter.py |    2 +-
 ooni/tasks.py    |    9 +++------
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/ooni/errors.py b/ooni/errors.py
index c167bbe..b845303 100644
--- a/ooni/errors.py
+++ b/ooni/errors.py
@@ -1,3 +1,4 @@
+from twisted.internet.defer import CancelledError
 from twisted.internet.defer import TimeoutError as DeferTimeoutError
 from twisted.web._newclient import ResponseNeverReceived
 
@@ -27,7 +28,7 @@ def handleAllFailures(failure):
             ConnectionError, NetworkUnreachable, ConnectionLostEarly,
             ConnectionNotAllowed, NoAcceptableMethods, ServerFailure,
             HostUnreachable, ConnectionRefused, TTLExpired, CommandNotSupported,
-            ConnectError, ConnectionLost)
+            ConnectError, ConnectionLost, CancelledError)
 
     return failureToString(failure)
 
@@ -114,9 +115,14 @@ def failureToString(failure):
     elif isinstance(failure.value, AddressNotSupported):
         log.err("SOCKS error: AddressNotSupported")
         string = 'socks_address_not_supported'
+
     elif isinstance(failure.value, SOCKSError):
         log.err("Generic SOCKS error")
         string = 'socks_error'
+    
+    elif isinstance(failure.value, CancelledError):
+        log.err("Task timed out")
+        string = 'task_timed_out'
 
     else:
         log.err("Unknown failure type: %s" % type(failure.value))
@@ -204,6 +210,9 @@ class NoPostProcessor(Exception):
 class InvalidOption(Exception):
     pass
 
+class TaskTimedOut(Exception):
+    pass
+
 def get_error(error_key):
     if error_key == 'test-helpers-key-missing':
         return CouldNotFindTestHelper
diff --git a/ooni/reporter.py b/ooni/reporter.py
index 545997d..0db13d0 100644
--- a/ooni/reporter.py
+++ b/ooni/reporter.py
@@ -36,7 +36,7 @@ from ooni.utils.net import BodyReceiver, StringProducer, userAgents
 
 from ooni.settings import config
 
-from ooni.tasks import ReportEntry, TaskTimedOut, ReportTracker
+from ooni.tasks import ReportEntry, ReportTracker
 class ReporterException(Exception):
     pass
 
diff --git a/ooni/tasks.py b/ooni/tasks.py
index 6e8c507..efca9b0 100644
--- a/ooni/tasks.py
+++ b/ooni/tasks.py
@@ -1,5 +1,6 @@
 import time
 
+from ooni import errors as e
 from ooni.settings import config
 from twisted.internet import defer, reactor
 
@@ -59,9 +60,6 @@ class BaseTask(object):
         """
         pass
 
-class TaskTimedOut(Exception):
-    pass
-
 class TaskWithTimeout(BaseTask):
     timeout = 30
     # So that we can test the callLater calls
@@ -70,7 +68,7 @@ class TaskWithTimeout(BaseTask):
     def _timedOut(self):
         """Internal method for handling timeout failure"""
         if self._running:
-            self._failed(TaskTimedOut)
+            self._failed(e.TaskTimedOut)
             self._running.cancel()
 
     def _cancelTimer(self):
@@ -126,8 +124,7 @@ class Measurement(TaskWithTimeout):
         pass
 
     def run(self):
-        d = self.netTestMethod()
-        return d
+        return self.netTestMethod()
 
 class ReportTracker(object):
     def __init__(self, reporters):



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