def main():
face = Face()
current_nbr = 1
max_nbr = 10
PGI = 5
f = open('measurements/app_measurments.txt','a')
f.seek(0)
f.truncate()
cow = 0
v = 0
counter = Counter(f, face)
while current_nbr <= max_nbr:
name = Name("farm1/cows")
name.append("1")
name.append("mvmnt")
name.appendSegment(v)
interest = Interest(name)
counter._callbackCount = 0
f.write('\n'+str(datetime.now().strftime('%X.%f')))
face.expressInterest(interest, counter.onData, counter.onTimeout)
while counter._callbackCount < 1 :
face.processEvents()
time.sleep(0.01)
time.sleep(PGI)
current_nbr+=1
v+=1
face.shutdown()
f.close()
def generateData(baseName):
'''
This appends the segment number to the data name
'''
# just make up some data and return it
ts = (time.time())
segmentId = 0 # compatible with repo-ng test: may change to test segmented data
versionComponent = baseName.get(-1) # should have a ts
dataName = Name(baseName)
dataName.appendSegment(segmentId)
d = Data(dataName)
content = "(" + str(ts) + ") Data named " + dataName.toUri()
d.setContent(content)
d.getMetaInfo().setFinalBlockID(segmentId)
d.getMetaInfo().setFreshnessPeriod(-1)
if shouldSign:
keychain.sign(d, certName)
else:
d.setSignature(fakeSignature)
if shouldCollectStats:
info = getInfoForVersion(versionComponent.toEscapedString())
if info is not None:
info['publish_time'] = ts
return d
def generateData(self, baseName):
'''
This appends the segment number to the data name, since repo-ng tends to expect it
'''
# just make up some data and return it
ts = (time.time())
segmentId = 0 # compatible with repo-ng test: may change to test segmented data
versionStr = baseName.get(-1).toEscapedString()
dataName = Name(baseName)
dataName.appendSegment(segmentId)
d = Data(dataName)
content = "(" + str(ts) + ") Data named " + dataName.toUri()
d.setContent(content)
d.getMetaInfo().setFinalBlockID(segmentId)
d.getMetaInfo().setFreshnessPeriod(-1)
if shouldSign:
self.keychain.sign(d, self.certificateName)
else:
d.setSignature(self.fakeSignature)
stats.insertDataForVersion(versionStr, {'publish_time':time.time()})
logger.debug('Publishing: '+d.getName().toUri())
return d
def onDataInterest(prefix, interest, transport, pxID):
'''
For publishing face
'''
# just make up some data and return it
interestName = interest.getName()
logger.info("Interest for " + interestName.toUri())
## CURRENTLY ASSUMES THERE'S A VERSION/SEGMENT SUFFIX!
dataName = Name(interestName.getPrefix(-1))
ts = (time.time())
segmentId = 0
try:
segmentId = interestName().get(-1).toSegment()
except:
logger.debug("Could not find segment id!")
dataName.appendSegment(segmentId)
versionStr = interestName.get(-2).getValue().toRawStr()
logger.debug('publishing ' + versionStr)
info = getInfoForVersion(versionStr)
d = Data(dataName)
content = "(" + str(ts) + ") Data named " + dataName.toUri()
d.setContent(content)
d.getMetaInfo().setFinalBlockID(segmentId)
keychain.sign(d, certName)
encodedData = d.wireEncode()
now = time.time()
if info is not None:
info['publish_time'] = now
transport.send(encodedData.toBuffer())
def request_segment(self, index):
if index > self.highest_requested_segment:
self.highest_requested_segment = index
self.pending_segments.add(index)
segment_name = Name(self.redirect.getName())
segment_name.appendSegment(index)
interest = Interest(segment_name)
Log.info("Sent segment interest '{}'".format(
Util.interest_to_string(interest)))
self.node.face.expressInterest(interest, self.on_segment_data,
self.on_segment_timeout)
def test_append(self):
# could possibly split this into different tests
uri = "/localhost/user/folders/files/%00%0F"
name = Name(uri)
name2 = Name("/localhost").append(Name("/user/folders/"))
self.assertEqual(
len(name2), 3, 'Name constructed by appending names has ' +
str(len(name2)) + ' components instead of 3')
self.assertTrue(name2[2].getValue() == Blob("folders"),
'Name constructed with append has wrong suffix')
name2 = name2.append("files")
self.assertEqual(
len(name2), 4, 'Name constructed by appending string has ' +
str(len(name2)) + ' components instead of 4')
name2 = name2.appendSegment(15)
self.assertTrue(
name2[4].getValue() == Blob(bytearray([0x00, 0x0F])),
'Name constructed by appending segment has wrong segment value')
self.assertTrue(
name2 == name,
'Name constructed with append is not equal to URI constructed name'
)
self.assertEqual(name2.toUri(), name.toUri(),
'Name constructed with append has wrong URI')
def main():
seg = 0
if len(sys.argv) < 3:
print("argv error: please input capture or capture with #seg")
exit(1)
elif len(sys.argv) == 2:
cmd = sys.argv[1]
else:
cmd = sys.argv[1]
seg = sys.argv[2]
loop = asyncio.get_event_loop()
#face = ThreadsafeFace(loop, "localhost")
face = Face("localhost")
# Counter will stop the ioService after callbacks for all expressInterest.
counter = Counter(loop, 3)
seed = HMACKey(0,0,"seed","seedName")
# Try to fetch anything.
import time
r = time.time()
name1 = Name("/home/security/camera/0/"+cmd)
name1.appendTimestamp(int(r))
name1.appendSegment(int(seg))
interest = Interest(name1)
interest.setInterestLifetimeMilliseconds(3000)
dump("Express name ", interest.toUri())
face.expressInterest(interest, counter.onData, counter.onTimeout)
"""
name2 = Name("/home/sensor/LED/T0829374723/turnOff")
dump("Express name ", name2.toUri())
face.expressInterest(name2, counter.onData, counter.onTimeout)
"""
while counter._callbackCount < 1:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(2)
face.shutdown()
def test_append(self):
# could possibly split this into different tests
uri = "/localhost/user/folders/files/%00%0F"
name = Name(uri)
name2 = Name("/localhost").append(Name("/user/folders/"))
self.assertEqual(len(name2), 3, 'Name constructed by appending names has ' + str(len(name2)) + ' components instead of 3')
self.assertTrue(name2[2].getValue() == Blob("folders"), 'Name constructed with append has wrong suffix')
name2 = name2.append("files")
self.assertEqual(len(name2), 4, 'Name constructed by appending string has ' + str(len(name2)) + ' components instead of 4')
name2 = name2.appendSegment(15)
self.assertTrue(name2[4].getValue() == Blob(bytearray([0x00, 0x0F])), 'Name constructed by appending segment has wrong segment value')
self.assertTrue(name2 == name, 'Name constructed with append is not equal to URI constructed name')
self.assertEqual(name2.toUri(), name.toUri(), 'Name constructed with append has wrong URI')
raise AssertionError("Got a different output: '%s' != '%s'" % (comp1, comp2))
n = Name(['hello', 'world'])
print(str(n))
if str(n) != "/hello/world":
raise AssertionError("expected /hello/world")
n = Name("ndn:///testing/1/2/3/")
print(str(n))
if str(n) != "/testing/1/2/3":
raise AssertionError("expected /testing/1/2/3 got: " + str(n))
if len(n) != 4:
raise AssertionError("expected 4 components, got: " + len(n))
print(n.components)
assert(n.components == [b'testing', b'1', b'2', b'3'])
n = Name([1, '2', bytearray(b'3'), bytes(b'4')])
print(str(n))
assert(str(n) == "/1/2/3/4")
n = Name()
print(str(n))
n = n.appendSegment(5)
print(str(n))
assert(str(n) == "/%00%05")
