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[tor-commits] [ooni-probe/master] Progress on porting daph3 to new API. The client component



commit 1ca2705d208febeea2e8cc400929c170fd875327
Author: Arturo Filastò <art@xxxxxxxxx>
Date:   Mon Nov 12 09:48:08 2012 +0100

    Progress on porting daph3 to new API. The client component
---
 nettests/core/daphn3.py |  122 ++++++++++++++++++++++-------------------------
 1 files changed, 57 insertions(+), 65 deletions(-)

diff --git a/nettests/core/daphn3.py b/nettests/core/daphn3.py
index ed65963..cc4803c 100644
--- a/nettests/core/daphn3.py
+++ b/nettests/core/daphn3.py
@@ -1,47 +1,33 @@
+# -*- encoding: utf-8 -*-
 from twisted.python import usage
 from twisted.internet import protocol, endpoints, reactor
 
+from ooni import nettest
 from ooni.kit import daphn3
 from ooni.utils import log
 
-class Daphn3ClientProtocol(daphn3.Daphn3Protocol):
-    def connectionMade(self):
-        self.next_state()
-
 class Daphn3ClientFactory(protocol.ClientFactory):
-    protocol = Daphn3ClientProtocol
-    mutator = None
-    steps = None
-    test = None
+    protocol = daphn3.Daphn3Protocol
+    def __init__(self, steps):
+        self.steps = steps
 
     def buildProtocol(self, addr):
-        p = self.protocol()
+        p = self.protocol(steps=self.steps)
         p.factory = self
-        p.test = self.test
-
-        if self.steps:
-            p.steps = self.steps
-
-        if not self.mutator:
-            self.mutator = daphn3.Mutator(p.steps)
+        return p
 
-        else:
-            print "Moving on to next mutation"
-            self.mutator.next()
+    def startedConnecting(self, connector):
+        print "Started connecting %s" % connector
 
-        p.mutator = self.mutator
-        p.current_state = self.mutator.state()
-        return p
+    def clientConnectionFailed(self, reason, connector):
+        log.err("We failed connecting the the OONIB")
+        log.err("Cannot perform test. Perhaps it got blocked?")
+        log.err("Please report this to tor-assistants@xxxxxxxxxxxxxx")
 
-    def clientConnectionFailed(self, reason):
-        print "We failed connecting the the OONIB"
-        print "Cannot perform test. Perhaps it got blocked?"
-        print "Please report this to tor-assistants@xxxxxxxxxxxxxx"
-        self.test.result['error'] = ('Failed in connecting to OONIB', reason)
-        self.test.end(d)
+    def clientConnectionLost(self, reason, connector):
+        log.err("Daphn3 client connection lost")
+        print reason
 
-    def clientConnectionLost(self, reason):
-        print "Connection Lost."
 
 class daphn3Args(usage.Options):
     optParameters = [
@@ -58,57 +44,63 @@ class daphn3Test(nettest.NetTestCase):
     inputFile = ['file', 'f', None, 
             'Specify the pcap or YAML file to be used as input to the test']
 
-    requiredOptions = ['file']
+    #requiredOptions = ['file']
 
     steps = None
 
     def inputProcessor(self, fp):
-        if self.localOptions['pcap']:
-            self.steps = daphn3.read_pcap(self.localOptions['pcap'])
-        else:
-            self.steps = daphn3.read_yaml(self.localOptions['yaml'])
+        """
+        step_idx is the step in the packet exchange
+        ex.
+        [.X.] are packets sent by a client or a server
 
-    def setUp(self):
-        self.factory = Daphn3ClientFactory()
-        self.factory.test = self
+            client:  [.1.]        [.3.] [.4.]
+            server:         [.2.]             [.5.]
 
+        mutation_idx: is the sub index of the packet as in the byte of the
+        packet at the step_idx that is to be mutated
+
+        """
         if self.localOptions['pcap']:
-            self.steps = daphn3.read_pcap(self.localOptions['pcap'])
+            daphn3Steps = daphn3.read_pcap(self.localOptions['pcap'])
         elif self.localOptions['yaml']:
-            self.steps = daphn3.read_yaml(self.localOptions['yaml'])
+            daphn3Steps = daphn3.read_yaml(self.localOptions['yaml'])
         else:
-            raise usage.UsageError("You must specify either --pcap or --yaml")
-
-        mutations = 0
-        for x in self.steps:
-            mutations += len(x['data'])
-        return {'mutation': range(mutations)}
+            daphn3Steps = [{'client': 'testing'}, {'server': 'antani'}]
+
+        for idx, step in enumerate(daphn3Steps):
+            current_packet = step.values()[0]
+            for mutation_idx in range(len(current_packet)):
+                if step.keys()[0] == "client":
+                    mutated_step = daphn3.daphn3Mutate(daphn3Steps,
+                            idx, mutation_idx)
+                    yield mutated_step
+                else:
+                    yield daphn3Steps
 
-    def control(self, exp_res, args):
-        try:
-            mutation = self.factory.mutator.get(0)
-            self.result['censored'] = False
-        except:
-            mutation = None
+    def setUp(self):
+        self.factory = Daphn3ClientFactory(self.input)
+        self.factory.report = self.report
+        print "Just set the factory to %s with %s" % (self.factory, 
+                self.input)
 
-        return {'mutation_number': args['mutation'],
-                'value': mutation}
+    def test_daphn3(self):
+        host = self.localOptions['host']
+        port = int(self.localOptions['port'])
 
-    def _failure(self, *argc, **kw):
-        self.report['censored'] = True
-        self.report['mutation'] = 
-        self.report['error'] = ('Failed in connecting', (argc, kw))
+        def failure(failure):
+            log.msg("Failed to connect")
+            self.report['censored'] = True
+            self.report['mutation'] = 0
 
-    def test_daphn3(self):
-        log.msg("Doing mutation %s" % args['mutation'])
-        self.factory.steps = self.steps
+        def success(protocol):
+            log.msg("Successfully connected")
+            protocol.sendMutation()
 
-        host = self.local_options['host']
-        port = int(self.local_options['port'])
         log.msg("Connecting to %s:%s" % (host, port))
-
         endpoint = endpoints.TCP4ClientEndpoint(reactor, host, port)
         d = endpoint.connect(self.factory)
-        d.addErrback(self._failure)
+        d.addErrback(failure)
+        d.addCallback(success)
         return d
 



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