def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Use the system default key chain and certificate name to sign.
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
publishIntervalMs = 1000.0
stream = Namespace("/ndn/eb/stream/run/28/annotations", keyChain)
handler = GeneralizedObjectStreamHandler(stream)
dump("Register prefix", stream.name)
# Set the face and register to receive Interests.
stream.setFace(face,
lambda prefixName: dump("Register failed for prefix", prefixName))
# Loop, producing a new object every publishIntervalMs milliseconds (and
# also calling processEvents()).
previousPublishMs = 0
while True:
now = Common.getNowMilliseconds()
if now >= previousPublishMs + publishIntervalMs:
dump("Preparing data for sequence",
handler.getProducedSequenceNumber() + 1)
handler.addObject(
Blob("Payload " + str(handler.getProducedSequenceNumber() + 1)),
"application/json")
previousPublishMs = now
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
def main():
# Silence the warning from Interest wire encode.
Interest.setDefaultCanBePrefix(True)
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
counter = Counter()
if sys.version_info[0] <= 2:
word = raw_input("Enter a word to echo: ")
else:
word = input("Enter a word to echo: ")
name = Name("/testecho")
name.append(word)
dump("Express name ", name.toUri())
face.expressInterest(name, 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(0.01)
face.shutdown()
def run(self):
# The default Face connects to the local NFD.
face = Face()
interest = Interest(Name("/localhost/nfd/faces/channels"))
interest.setInterestLifetimeMilliseconds(4000)
self.dump("Express interest", interest.getName().toUri())
enabled = [True]
def onComplete(content):
enabled[0] = False
self.printChannelStatuses(content)
def onError(errorCode, message):
enabled[0] = False
self.dump(message)
SegmentFetcher.fetch(face, interest, None, onComplete, onError)
# Loop calling processEvents until a callback sets enabled[0] = False.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
# print('==================run Channels_status_getter finished===================')
face.shutdown()
return (self.total_result)
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
dataPrefix = "/home/test1/data"
repoDataPrefix = "/home/test1/data"
# Set up repo-ng, register prefix for repo-ng's fetch prefix
# Per configuration file in /usr/local/etc/ndn/repo-ng.conf
# memCache is not used for now; repo is hoping that the piece of data in question is still being held at nfd
#memCache = MemoryContentCache(face, 100000)
#memCache.registerPrefix(Name(repoDataPrefix), onRegisterFailed, onDataNotFound)
counter = Counter(face, repoDataPrefix)
interest = Interest(Name(dataPrefix))
interest.setChildSelector(1)
interest.setInterestLifetimeMilliseconds(defaultInterestLifetime)
face.expressInterest(interest, counter.onData, counter.onTimeout)
while True:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(1)
face.shutdown()
def main():
face = Face("localhost")
identityStorage = MemoryIdentityStorage()
privateKeyStorage = MemoryPrivateKeyStorage()
keyChain = KeyChain(
IdentityManager(identityStorage, privateKeyStorage), None)
keyChain.setFace(face)
# Initialize the storage.
keyName = Name("/testname/DSK-reposerver")
certificateName = keyName.getSubName(0, keyName.size() - 1).append(
"KEY").append(keyName[-1]).append("ID-CERT").append("0")
identityStorage.addKey(keyName, KeyType.RSA, Blob(DEFAULT_PUBLIC_KEY_DER))
privateKeyStorage.setKeyPairForKeyName(
keyName, DEFAULT_PUBLIC_KEY_DER, DEFAULT_PRIVATE_KEY_DER)
echo = RepoServer(keyChain, certificateName)
prefix = Name("/ndn/ucla.edu/bms")
dump("Register prefix", prefix.toUri())
face.registerPrefix(prefix, echo.onInterest, echo.onRegisterFailed)
while True:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
class Consumer(object):
'''Hello World consumer'''
def __init__(self, gatewayprefix, newprefix, chatroom):
self.gatewayprefix = Name(gatewayprefix)
self.newprefix = str(Name(newprefix))
self.chatroom = str(Name(chatroom))
self.parameter = self.newprefix + "|" + self.chatroom
self.outstanding = dict()
self.isDone = False
self.face = Face("127.0.0.1")
def run(self):
os.system("nlsrc advertise " + self.newprefix)
os.system("nlsrc advertise " + self.chatroom)
try:
self._sendNextInterest(self.gatewayprefix)
while not self.isDone:
self.face.processEvents()
time.sleep(0.01)
except RuntimeError as e:
print "ERROR: %s" % e
def _sendNextInterest(self, name):
interest = Interest(name)
uri = name.toUri()
interest.setApplicationParameters(self.parameter)
interest.setInterestLifetimeMilliseconds(4000)
interest.setMustBeFresh(True)
if uri not in self.outstanding:
self.outstanding[uri] = 1
self.face.expressInterest(interest, self._onData, self._onTimeout)
print "Sent Interest for %s" % uri
print interest
def _onData(self, interest, data):
payload = data.getContent()
name = data.getName()
print "Received response from gateway: ", payload.toRawStr()
del self.outstanding[name.toUri()]
self.isDone = True
def _onTimeout(self, interest):
name = interest.getName()
uri = name.toUri()
print "TIMEOUT #%d: %s" % (self.outstanding[uri], uri)
self.outstanding[uri] += 1
if self.outstanding[uri] <= 1000:
self._sendNextInterest(name)
else:
self.isDone = True
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
prefix = Name("/icear-server/result/example-data/2/deeplab")
prefixNamespace = Namespace(prefix)
prefixNamespace.setFace(face)
enabled = [True]
img = [None]
def onGeneralizedObject(contentMetaInfo, obj):
data = obj.toBytes()
dump("Got generalized object, content-type",
contentMetaInfo.getContentType(), ":", repr(data))
print(len(data))
enabled[0] = False
img[0] = data
goh = GeneralizedObjectHandler(onGeneralizedObject)
prefixNamespace.setHandler(goh).objectNeeded()
# Loop calling processEvents until a callback sets enabled[0] = False.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
image = Image.open(io.BytesIO(img[0]))
image.show()
def main():
# Silence the warning from Interest wire encode.
Interest.setDefaultCanBePrefix(True)
if sys.version_info[0] <= 2:
userPrefixUri = raw_input("Enter your user prefix (e.g. /a): ")
else:
userPrefixUri = input("Enter your user prefix (e.g. /a): ")
if userPrefixUri == "":
dump("You must enter a user prefix")
return
syncPrefixUri = "/sync"
nUserPrefixes = 2
maxPublishedSequenceNo = 3
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Set up the KeyChain.
keyChain = KeyChain("pib-memory:", "tpm-memory:")
keyChain.importSafeBag(
SafeBag(Name("/testname/KEY/123"),
Blob(DEFAULT_RSA_PRIVATE_KEY_DER, False),
Blob(DEFAULT_RSA_PUBLIC_KEY_DER, False)))
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
producer = Producer(face, keyChain, Name(syncPrefixUri), userPrefixUri,
nUserPrefixes, maxPublishedSequenceNo)
# The main event loop.
while True:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
class TestRegistrationCallbacks(ut.TestCase):
def setUp(self):
self.face = Face()
keyChain = KeyChain()
self.face.setCommandSigningInfo(
keyChain, keyChain.getDefaultCertificateName())
def tearDown(self):
self.face.shutdown()
def test_registration_callbacks(self):
onRegisterFailed = Mock()
onRegisterSuccess = Mock()
self.face.registerPrefix(
Name("/test/register/callbacks"), None, onRegisterFailed,
onRegisterSuccess)
while True:
self.face.processEvents()
time.sleep(0.01)
if (onRegisterSuccess.call_count > 0 or onRegisterFailed.call_count > 0):
break
self.assertEqual(
onRegisterSuccess.call_count, 1,
"Expected 1 onRegisterSuccess callback, got " +
str(onRegisterSuccess.call_count))
def main():
# The default Face connects to the local NFD.
face = Face()
interest = Interest(Name("/localhost/nfd/rib/list"))
interest.setInterestLifetimeMilliseconds(4000)
dump("Express interest", interest.getName().toUri())
enabled = [True]
def onComplete(content):
enabled[0] = False
printRibEntries(content)
def onError(errorCode, message):
enabled[0] = False
dump(message)
SegmentFetcher.fetch(face, interest, None, onComplete, onError)
# Loop calling processEvents until a callback sets enabled[0] = False.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
class PacketIn(object):
'''PacketIn message is an interest for inquiring unknown prefix '''
def __init__(self):
self.keyChain = KeyChain()
self.isDone = False
self.ofmsg = OFMSG()
self.outstanding = dict() #a dictionary to keep track of outstanding Interests and retransmissions.
#self.face = Face("127.0.0.1")
self.face = Face()
self.nodeid = OSCommand.getnodeid()
def run(self, unknown_prefix="/abcd/dfgh/tcd"):
try:
self._sendPacketinInterest(unknown_prefix)
while not self.isDone:
self.face.processEvents()
time.sleep(0.01)
except RuntimeError as e:
print("ERROR: %s" % e)
return self.isDone
def _sendPacketinInterest(self,unknown_prefix):
interest = self.ofmsg.create_packetin_msg_interest(unknown_prefix, self.nodeid)
uri = interest.getName().toUri()
if uri not in self.outstanding:
self.outstanding[uri] = 1
self.face.expressInterest(interest, self._onData, self._onTimeout)
print("######### Sent <<<PacketIn>>> Interest #########\n {0} \n".format(uri))
def _onData(self, interest, data):
payload = data.getContent()
name = data.getName()
print("Received <<<<FlowMod data>>>>from Controller ")
self.nodeid = OSCommand.getnodeid()
# add this item to flow table.
FlowModDataList = NdnFlowTable.parse_FlowMod_Data(payload)
# print(FlowModDataList)
NdnFlowTable.updatendnflowtable(FlowModDataList,self.nodeid)
print(NdnFlowTable)
del self.outstanding[name.toUri()]
self.isDone = True
def _onTimeout(self, interest):
name = interest.getName()
uri = name.toUri()
print("TIMEOUT #%d: %s" % (self.outstanding[uri], uri))
self.outstanding[uri] += 1
self.isDone = True
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Use the system default key chain and certificate name to sign.
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
objectPrefix = Namespace("/ndn/eb/run/28/description", keyChain)
dump("Register prefix", objectPrefix.name)
# Set the face and register to receive Interests.
objectPrefix.setFace(
face,
lambda prefixName: dump("Register failed for prefix", prefixName))
dump("Preparing data for", objectPrefix.name)
GeneralizedObjectHandler().setObject(objectPrefix,
Blob("EB run #28. Ham and oats"),
"text/html")
while True:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
identityStorage = MemoryIdentityStorage()
privateKeyStorage = MemoryPrivateKeyStorage()
keyChain = KeyChain(IdentityManager(identityStorage, privateKeyStorage),
None)
keyChain.setFace(face)
# Initialize the storage.
keyName = Name("/testname/DSK-123")
certificateName = keyName.getSubName(
0,
keyName.size() - 1).append("KEY").append(
keyName[-1]).append("ID-CERT").append("0")
identityStorage.addKey(keyName, KeyType.RSA,
Blob(DEFAULT_RSA_PUBLIC_KEY_DER))
privateKeyStorage.setKeyPairForKeyName(keyName, KeyType.RSA,
DEFAULT_RSA_PUBLIC_KEY_DER,
DEFAULT_RSA_PRIVATE_KEY_DER)
echo = Echo(keyChain, certificateName)
prefix = Name("/testecho")
dump("Register prefix", prefix.toUri())
face.registerPrefix(prefix, echo.onInterest, echo.onRegisterFailed)
while echo._responseCount < 1:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
if len(argv) < 3:
dump("Usage:", argv[0], "<repo-command-prefix> <fetch-prefix>")
return
repoCommandPrefix = Name(argv[1])
repoDataPrefix = Name(argv[2])
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Use the system default key chain and certificate name to sign commands.
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
enabled = [True]
def onInsertStarted():
# nonlocal enabled
dump("Insert started for", repoDataPrefix.toUri())
enabled[0] = False
def onFailed():
# nonlocal enabled
enabled[0] = False
requestInsert(face, repoCommandPrefix, repoDataPrefix, onInsertStarted,
onFailed)
# Run until all the data is sent.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
identityStorage = MemoryIdentityStorage()
privateKeyStorage = MemoryPrivateKeyStorage()
keyChain = KeyChain(
IdentityManager(identityStorage, privateKeyStorage), None)
keyChain.setFace(face)
# Initialize the storage.
keyName = Name("/testname/DSK-123")
certificateName = keyName.getSubName(0, keyName.size() - 1).append(
"KEY").append(keyName[-1]).append("ID-CERT").append("0")
identityStorage.addKey(keyName, KeyType.RSA, Blob(DEFAULT_RSA_PUBLIC_KEY_DER))
privateKeyStorage.setKeyPairForKeyName(
keyName, KeyType.RSA, DEFAULT_RSA_PUBLIC_KEY_DER, DEFAULT_RSA_PRIVATE_KEY_DER)
echo = Echo(keyChain, certificateName)
prefix = Name("/testecho")
dump("Register prefix", prefix.toUri())
face.registerPrefix(prefix, echo.onInterest, echo.onRegisterFailed)
while echo._responseCount < 1:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def get_mpd_ndn(url):
""" Module to download the MPD from the URL and save it to file"""
print 'Entered get mpd ndn'
face = Face("server.simpleNDN.ch-geni-net.geni.case.edu")
counter = Counter()
s = time.clock()
try:
name = Name(url)
face.expressInterest(name, counter.onData, counter.onTimeout)
while counter._callbackCount < 1:
face.processEvents()
# Try to fetch using a known name.
name = Name(url + Version)
dump("Express name ", name.toUri())
interest = Interest(name)
interest.setInterestLifetimeMilliseconds(1000)
SegmentFetcher.fetch(face, interest, None, counter.onComplete,
counter.onError)
except:
config_dash.LOG.error("Unable to download MPD file NDN error")
return None
while counter._callbackCount < 2:
face.processEvents()
print("time taken to copy all segments:" + str(time.clock() - s))
mpd_data = Content
mpd_file = url.split('/')[-1]
mpd_file_handle = open(mpd_file, 'w')
print mpd_file_handle
mpd_file_handle.write(mpd_data)
mpd_file_handle.close()
config_dash.LOG.info("Downloaded the MPD file {}".format(mpd_file))
return mpd_file
def main():
# Silence the warning from Interest wire encode.
Interest.setDefaultCanBePrefix(True)
# The default Face connects to the local NFD.
face = Face()
interest = Interest(Name("/localhost/nfd/faces/list"))
interest.setInterestLifetimeMilliseconds(4000)
dump("Express interest", interest.getName().toUri())
enabled = [True]
def onComplete(content):
enabled[0] = False
printFaceStatuses(content)
def onError(errorCode, message):
enabled[0] = False
dump(message)
SegmentFetcher.fetch(face, interest, None, onComplete, onError)
# Loop calling processEvents until a callback sets enabled[0] = False.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
def main():
face = Face()
keychain = KeyChain()
face.setCommandSigningInfo(keychain, keychain.getDefaultCertificateName())
running = True
img = None
interest = Interest(Name("/icear-server/result/example-data/2/deeplab"))
interest.mustBeFresh = True
def on_data(_, data):
# type: (Interest, Data) -> None
nonlocal running, img
print(data.name.toUri())
print(data.content.toBytes())
running = False
if data.metaInfo.type == ContentType.NACK:
print("NACK")
else:
img = data.content.toBytes()
face.expressInterest(interest, on_data)
while running:
face.processEvents()
time.sleep(0.01)
face.shutdown()
if img:
image = Image.open(io.BytesIO(img))
image.show()
class TestRegistrationCallbacks(ut.TestCase):
def setUp(self):
self.face = Face()
keyChain = KeyChain()
self.face.setCommandSigningInfo(
keyChain, keyChain.getDefaultCertificateName())
def tearDown(self):
self.face.shutdown()
def test_registration_callbacks(self):
onRegisterFailed = Mock()
onRegisterSuccess = Mock()
self.face.registerPrefix(
Name("/test/register/callbacks"), None, onRegisterFailed,
onRegisterSuccess)
while True:
self.face.processEvents()
time.sleep(0.01)
if (onRegisterSuccess.call_count > 0 or onRegisterFailed.call_count > 0):
break
self.assertEqual(
onRegisterSuccess.call_count, 1,
"Expected 1 onRegisterSuccess callback, got " +
str(onRegisterSuccess.call_count))
def main():
# Silence the warning from Interest wire encode.
Interest.setDefaultCanBePrefix(True)
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
memberName = Name("/first/user")
memberKeyName = Name(memberName).append(Name("/KEY/%0C%87%EB%E6U%27B%D6"))
memberKeyChain = KeyChain("pib-memory:", "tpm-memory:")
memberKeyChain.importSafeBag(SafeBag
(memberKeyName, Blob(MEMBER_PRIVATE_KEY, False),
Blob(MEMBER_PUBLIC_KEY, False)))
# TODO: Use a real Validator.
decryptor = DecryptorV2(
memberKeyChain.getPib().getIdentity(memberName).getDefaultKey(),
ValidatorNull(), memberKeyChain, face)
contentPrefix = Name("/testname/content")
contentNamespace = Namespace(contentPrefix)
contentNamespace.setFace(face)
contentNamespace.setDecryptor(decryptor)
enabled = [True]
def onSegmentedObject(objectNamespace):
dump("Got segmented content", objectNamespace.obj.toRawStr())
enabled[0] = False
SegmentedObjectHandler(contentNamespace, onSegmentedObject).objectNeeded()
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Use the system default key chain and certificate name to sign commands.
#print("key1")
#keyChain = KeyChain()
#print("key2")
identityStorage = MemoryIdentityStorage()
privateKeyStorage = MemoryPrivateKeyStorage()
keyChain = KeyChain(IdentityManager(identityStorage, privateKeyStorage),
NoVerifyPolicyManager())
identityName = Name("TestProducer")
certificateName = keyChain.createIdentityAndCertificate(identityName)
keyChain.getIdentityManager().setDefaultIdentity(identityName)
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
# Also use the default certificate name to sign data packets.
ubicdn = UbiCDN(keyChain, certificateName)
prefix = Name("/ubicdn/video")
dump("Register prefix", prefix.toUri())
face.registerPrefix(prefix, ubicdn.onInterest, ubicdn.onRegisterFailed)
while 1:
#while ubicdn._responseCount < 1:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
counter = Counter()
#if sys.version_info[0] <= 2:
# word = raw_input("Enter a video name: ")
#else:
# word = input("Enter a video name: ")
name = Name("/kebapp/video/video")
#name.append(word)
dump("Express name ", name.toUri())
interest = Interest(name)
#interest.setInterestLifeTimeMilliseconds(30000)
interest.setInterestLifetimeMilliseconds(30000)
face.expressInterest(interest, counter.onData, counter.onTimeout)
#face.expressInterest(name, 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(0.01)
face.shutdown()
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 main():
# Silence the warning from Interest wire encode.
Interest.setDefaultCanBePrefix(True)
face = Face("memoria.ndn.ucla.edu")
counter = Counter()
# Try to fetch anything.
name1 = Name("/")
dump("Express name ", name1.toUri())
face.expressInterest(name1, counter.onData, counter.onTimeout)
# Try to fetch using a known name.
name2 = Name("/ndn/edu/ucla/remap/demo/ndn-js-test/hello.txt/%FDU%8D%9DM")
dump("Express name ", name2.toUri())
face.expressInterest(name2, counter.onData, counter.onTimeout)
# Expect this to time out.
name3 = Name("/test/timeout")
dump("Express name ", name3.toUri())
face.expressInterest(name3, counter.onData, counter.onTimeout)
while counter._callbackCount < 3:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
face = Face("aleph.ndn.ucla.edu")
counter = Counter()
# Try to fetch anything.
name1 = Name("/")
dump("Express name ", name1.toUri())
face.expressInterest(name1, counter.onData, counter.onTimeout)
# Try to fetch using a known name.
name2 = Name("/ndn/edu/ucla/remap/demo/ndn-js-test/hello.txt/%FDU%8D%9DM")
dump("Express name ", name2.toUri())
face.expressInterest(name2, counter.onData, counter.onTimeout)
# Expect this to time out.
name3 = Name("/test/timeout")
dump("Express name ", name3.toUri())
face.expressInterest(name3, counter.onData, counter.onTimeout)
while counter._callbackCount < 3:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
# The default Face connects to the local NFD.
face = Face()
interest = Interest(Name("/localhost/nfd/rib/list"))
interest.setInterestLifetimeMilliseconds(4000)
dump("Express interest", interest.getName().toUri())
enabled = [True]
def onComplete(content):
enabled[0] = False
printRibEntries(content)
def onError(errorCode, message):
enabled[0] = False
dump(message)
SegmentFetcher.fetch(
face, interest, SegmentFetcher.DontVerifySegment, onComplete, onError)
# Loop calling processEvents until a callback sets enabled[0] = False.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
class Consumer(object):
'''Hello World consumer'''
def __init__(self, prefix):
self.prefix = Name(prefix)
self.outstanding = dict()
self.isDone = False
self.face = Face("127.0.0.1")
self.start_time = 0
start_time = time.time()
def run(self):
try:
self._sendNextInterest(self.prefix)
while not self.isDone:
self.face.processEvents()
time.sleep(0.01)
except RuntimeError as e:
print "ERROR: %s" % e
def _sendNextInterest(self, name):
self.start_time = time.time()
interest = Interest(name)
uri = name.toUri()
interest.setInterestLifetimeMilliseconds(9000)
interest.setMustBeFresh(False)
if uri not in self.outstanding:
self.outstanding[uri] = 1
self.face.expressInterest(interest, self._onData, self._onTimeout)
# print "Sent Interest for %s" % uri
def _onData(self, interest, data):
payload = data.getContent()
name = data.getName()
# print "Received data: ", len(payload.toRawStr())
# print "Processing data: "
time.sleep(2)
del self.outstanding[name.toUri()]
self.isDone = True
elapsed_time = time.time() - self.start_time
print elapsed_time
def _onTimeout(self, interest):
name = interest.getName()
uri = name.toUri()
print "TIMEOUT #%d: %s" % (self.outstanding[uri], uri)
self.outstanding[uri] += 1
if self.outstanding[uri] <= 3:
self._sendNextInterest(name)
else:
self.isDone = True
def main():
# silence the warning from interest wire encode
Interest.setDefaultCanBePrefix(True)
# set up a face that connects to the remote forwarder
udp_connection_info = UdpTransport.ConnectionInfo("10.10.1.1", 6363)
udp_transport = UdpTransport()
face = Face(udp_transport, udp_connection_info)
counter = Counter()
# try to fetch from provided name
name_text = input("Enter a name to request content from: ")
name = Name(name_text)
dump("Express name", name.toUri())
interest = Interest(name)
interest.setMustBeFresh(False)
face.expressInterest(interest, counter.onData, counter.onTimeout,
counter.onNetworkNack)
while counter._callbackCount < 1:
face.processEvents()
# don't use 100% of the CPU
time.sleep(0.01)
face.shutdown()
def main():
# Connect to the demo host at memoria.ndn.ucla.edu .
face = Face("128.97.98.8")
counter = Counter()
# Try to fetch anything.
name1 = Name("/")
dump("Express name ", name1.toUri())
face.expressInterest(name1, counter.onData, counter.onTimeout)
# Try to fetch using a known name.
name2 = Name("/ndn/edu/ucla/remap/demo/ndn-js-test/hello.txt/%FDX%DC5%1F")
dump("Express name ", name2.toUri())
face.expressInterest(name2, counter.onData, counter.onTimeout)
# Expect this to time out.
name3 = Name("/test/timeout")
dump("Express name ", name3.toUri())
face.expressInterest(name3, counter.onData, counter.onTimeout)
while counter._callbackCount < 3:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
# Silence the warning from Interest wire encode.
Interest.setDefaultCanBePrefix(True)
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
prefix = Namespace("/ndn/test/status")
prefix.setFace(face)
enabled = [True]
# This is called to print the content after it is re-assembled from segments.
def onGeneralizedObject(contentMetaInfo, objectNamespace):
dump("Got generalized object", objectNamespace.name, ", content-type",
contentMetaInfo.contentType, ":", str(objectNamespace.obj))
enabled[0] = False
handler = GeneralizedObjectHandler(prefix, onGeneralizedObject)
# Allow one component after the prefix for the <version>.
handler.setNComponentsAfterObjectNamespace(1)
# In objectNeeded, set mustBeFresh == true so we avoid expired cached data.
prefix.objectNeeded(True)
# Loop calling processEvents until a callback sets enabled[0] = False.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
class FaceModMsg(object):
'''FlowRemoved message is an interest send once, no need response '''
def __init__(self):
self.keyChain = KeyChain()
self.ofmsg = OFMSG()
self.face = Face()
def run(self,facemod_suffix):
try:
self._sendFaceModInterest(facemod_suffix)
n=0
while n<200:
self.face.processEvents()
time.sleep(0.01)
n+=1
except RuntimeError as e:
print("ERROR: %s" % e)
return True
def _sendFaceModInterest(self,facemod_suffix):
interest = self.ofmsg.create_facemod_msg_interest(facemod_suffix)
uri = interest.getName().toUri()
self.face.expressInterest(interest, self._onData, self._onTimeout)
print("--------Sent <<<FaceMod>>> Msg for \n %s" % uri)
def _onData(self, interest, data):
pass
def _onTimeout(self, interest):
pass
class Consumer(object):
def __init__(self):
self.outstanding = dict()
self.isDone = False
self.keyChain = KeyChain()
self.face = Face("127.0.0.1")
self.nameInput = '/umobile/pull'
def run(self):
try:
self._sendNextInterest(Name(self.nameInput))
while not self.isDone:
self.face.processEvents()
time.sleep(0.01)
except RuntimeError as e:
print "ERROR: %s" % e
def _sendNextInterest(self, name):
interest = Interest(name)
uri = name.toUri()
interest.setInterestLifetimeMilliseconds(4000)
interest.setMustBeFresh(True)
if uri not in self.outstanding:
self.outstanding[uri] = 1
self.face.expressInterest(interest, self._onData, self._onTimeout)
print "Sent Interest for %s" % uri
def _onData(self, interest, data):
payload = data.getContent()
dataName = data.getName()
dataName_size = dataName.size()
print "Received data name: ", dataName.toUri()
print "Received data: ", payload.toRawStr()
self.isDone = True
def _onTimeout(self, interest):
name = interest.getName()
uri = name.toUri()
print "TIMEOUT #%d: %s" % (self.outstanding[uri], uri)
self.outstanding[uri] += 1
if self.outstanding[uri] <= 3:
self._sendNextInterest(name)
else:
self.isDone = True
def onRegisterFailed(self, prefix):
print "Register failed for prefix", prefix.toUri()
self.isDone = True
def cert_server_thread():
face = Face()
CertServer(face)
while True:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
class Consumer(object):
'''Hello World consumer'''
def __init__(self, prefix):
self.prefix = Name(prefix)
self.outstanding = dict()
self.isDone = False
self.face = Face("127.0.0.1")
def run(self):
try:
self._sendNextInterest(self.prefix)
while not self.isDone:
self.face.processEvents()
time.sleep(0.01)
except RuntimeError as e:
print "ERROR: %s" % e
def _sendNextInterest(self, name):
interest = Interest(name)
uri = name.toUri()
interest.setInterestLifetimeMilliseconds(4000)
interest.setMustBeFresh(True)
if uri not in self.outstanding:
self.outstanding[uri] = 1
self.face.expressInterest(interest, self._onData, self._onTimeout)
print "Sent Interest for %s" % uri
def _onData(self, interest, data):
payload = data.getContent()
name = data.getName()
print "Received data: ", payload.toRawStr()
del self.outstanding[name.toUri()]
self.isDone = True
def _onTimeout(self, interest):
name = interest.getName()
uri = name.toUri()
print "TIMEOUT #%d: %s" % (self.outstanding[uri], uri)
self.outstanding[uri] += 1
if self.outstanding[uri] <= 3:
self._sendNextInterest(name)
else:
self.isDone = True
def main():
"""
Call requestInsert and register a prefix so that ProduceSegments will answer
interests from the repo to send the data packets. This assumes that repo-ng
is already running (e.g. `sudo ndn-repo-ng`).
"""
repoCommandPrefix = Name("/localhost/repo1")
repoDataPrefix = Name("/NIST/library/mainroom/ESP32ID001")
nowMilliseconds = int(time.time() * 1000.0)
fetchPrefix = Name(repoDataPrefix).append(
Name.Component.fromNumber(nowMilliseconds))
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Use the system default key chain and certificate name to sign commands.
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
# Register the prefix and send the repo insert command at the same time.
startBlockId = 0
endBlockId = 1
enabled = [True]
def onFinished():
dump("All data was inserted.")
enabled[0] = False
produceSegments = ProduceSegments(keyChain,
keyChain.getDefaultCertificateName(),
startBlockId, endBlockId, onFinished)
dump("Register prefix", fetchPrefix.toUri())
def onRegisterFailed(prefix):
dump("Register failed for prefix", prefix.toUri())
enabled[0] = False
face.registerPrefix(fetchPrefix, produceSegments.onInterest,
onRegisterFailed)
time.sleep(0.2)
def onInsertStarted():
dump("Insert started for", fetchPrefix.toUri())
def onFailed():
enabled[0] = False
requestInsert(face, repoCommandPrefix, fetchPrefix, onInsertStarted,
onFailed)
# Run until all the data is sent.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
class Consumer(object):
def __init__(self):
Prefix1 = '/umobile/notification/push'
self.configPrefix = Name(Prefix1)
self.outstanding = dict()
self.isDone = False
self.keyChain = KeyChain()
self.face = Face("127.0.0.1")
def run(self):
try:
self.face.setCommandSigningInfo(self.keyChain, \
self.keyChain.getDefaultCertificateName())
self.face.registerPrefix(self.configPrefix, self.onInterest, self.onRegisterFailed)
print "Registering listening prefix : " + self.configPrefix.toUri()
while not self.isDone:
self.face.processEvents()
time.sleep(0.01)
except RuntimeError as e:
print "ERROR: %s" % e
def onInterest(self, prefix, interest, face, interestFilterId, filter):
interestName = interest.getName()
### Extract Data content from Interest name
interest_name_components = interestName.toUri().split("/")
Data_content = interest_name_components[interest_name_components.index("push") + 1]
print 'Received Data: %s' %Data_content
data = Data(interestName)
data.setContent("ACK")
hourMilliseconds = 600 * 1000
data.getMetaInfo().setFreshnessPeriod(hourMilliseconds)
self.keyChain.sign(data, self.keyChain.getDefaultCertificateName())
face.send(data.wireEncode().toBuffer())
print "Sending ACK"
def _onTimeout(self, interest):
name = interest.getName()
uri = name.toUri()
print "TIMEOUT #%d: %s" % (self.outstanding[uri], uri)
self.outstanding[uri] += 1
if self.outstanding[uri] <= 3:
self._sendNextInterest(name)
else:
self.isDone = True
def onRegisterFailed(self, prefix):
print "Register failed for prefix", prefix.toUri()
self.isDone = True
class Consumer(object):
'''Register chat prefix to gateway router to advertise'''
def __init__(self, HostName, prefixesToSend):
self.host = Name(HostName)
self.outstanding = dict()
self.prefixesToSend = prefixesToSend
self.isDone = False
self.face = Face("127.0.0.1")
def run(self):
try:
self._sendNextInterest(self.host)
while not self.isDone:
self.face.processEvents()
time.sleep(0.01)
except RuntimeError as e:
print "ERROR: %s" % e
def _sendNextInterest(self, name):
interest = Interest(name)
uri = name.toUri()
interest.setApplicationParameters(self.prefixesToSend)
interest.setInterestLifetimeMilliseconds(4000)
interest.setMustBeFresh(True)
if uri not in self.outstanding:
self.outstanding[uri] = 1
self.face.expressInterest(interest, self._onData, self._onTimeout)
print "Sent Chat Prefixes to host " + str(self.host)
def _onData(self, interest, data):
payload = data.getContent()
name = data.getName()
print str(self.host) + " recieved prefixes"
del self.outstanding[name.toUri()]
os.system("nfdc cs erase " + str(name))
self.isDone = True
def _onTimeout(self, interest):
name = interest.getName()
uri = name.toUri()
print "TIMEOUT #%d: %s" % (self.outstanding[uri], uri)
self.outstanding[uri] += 1
if self.outstanding[uri] <= 1000:
self._sendNextInterest(name)
else:
self.isDone = True
def main():
if len(sys.argv) < 2:
print("usage: python3 client-app.py {good/bad}")
quit()
#Interest.setDefaultCanBePrefix(True)
with open("shared/system-info.json") as f:
user_data = json.load(f)
face = Face()
counter = Counter()
name = Name("/ndn-ss/austin")
req_name = "/example/test"
sym_key = base64.b64decode(user_data['austin']['sym_key'])
iv, ct, tag = sym_encrypt(sym_key, req_name)
enc_req_name = base64.b64encode(iv).decode('ascii')
name.append(enc_req_name)
enc_req_name = base64.b64encode(ct).decode('ascii')
name.append(enc_req_name)
enc_req_name = base64.b64encode(tag).decode('ascii')
name.append(enc_req_name)
priv_key = user_data['austin']['priv_key']
priv_key = base64.b64decode(priv_key)
priv_key = load_priv_key(priv_key)
sig =\
base64.b64encode(priv_key.sign(bytes("austin",'utf-8'))).decode('ascii')
bad_sig =\
base64.b64encode(priv_key.sign(bytes("abstin",'utf-8'))).decode('ascii')
i = Interest()
i.setMustBeFresh(True)
i.setInterestLifetimeMilliseconds(0)
#face.expressInterest(name,counter.onData,counter.onTimeout)
if sys.argv[1] == "good":
name.append(sig)
face.expressInterest(name, i, counter.onData, counter.onTimeout)
elif sys.argv[1] == "bad":
name.append(bad_sig)
face.expressInterest(name, i, counter.onData, counter.onTimeout)
else:
print("c")
while counter.rec == 1:
face.processEvents()
time.sleep(0.1)
face.expressInterest(name, i, counter.onData, counter.onTimeout)
def main():
if len(sys.argv) < 2:
print("argv error: please input turnOn, turnOff or status")
exit(1)
else:
cmd = sys.argv[1]
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.
name1 = Name("/home/sensor/LED/0/"+cmd+"/0/0")
commandTokenName = '/home/sensor/LED/0/'+cmd+'/token/0'
commandTokenKey = hmac.new(seed.getKey(), commandTokenName, sha256).digest()
accessTokenName = '/home/sensor/LED/0/'+cmd+'/token/0/user/Tom/token/0'
accessTokenKey = hmac.new(commandTokenKey, accessTokenName, sha256).digest()
accessToken = HMACKey(0,0,accessTokenKey,accessTokenName)
dump("seed.getKey() :",seed.getKey())
dump("commandTokenName :",commandTokenName)
dump("commandTokenKey :",base64.b64encode(commandTokenKey))
dump("accessTokenName :",accessTokenName)
dump("accessTokenKey :",base64.b64encode(accessTokenKey))
interest = Interest(name1)
interest.setInterestLifetimeMilliseconds(3000)
a = AccessControlManager()
a.signInterestWithHMACKey(interest,accessToken)
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 run(self):
face = Face()
# Use the system default key chain and certificate name to sign commands.
face.setCommandSigningInfo(self.keyChain, self.keyChain.getDefaultCertificateName())
# Also use the default certificate name to sign data packets.
face.registerPrefix(self.prefix, self.onInterest, self.onRegisterFailed)
print "Registering prefix %s" % self.prefix.toUri()
while not self.isDone:
face.processEvents()
time.sleep(0.01)
def main():
"""
Call requestInsert and register a prefix so that ProduceSegments will answer
interests from the repo to send the data packets. This assumes that repo-ng
is already running (e.g. `sudo ndn-repo-ng`).
"""
repoCommandPrefix = Name("/example/repo/1")
repoDataPrefix = Name("/example/data/1")
nowMilliseconds = int(time.time() * 1000.0)
fetchPrefix = Name(repoDataPrefix).append("testinsert").appendVersion(nowMilliseconds)
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Use the system default key chain and certificate name to sign commands.
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
# Register the prefix and send the repo insert command at the same time.
startBlockId = 0
endBlockId = 1
enabled = [True]
def onFinished():
dump("All data was inserted.")
enabled[0] = False
produceSegments = ProduceSegments(
keyChain, keyChain.getDefaultCertificateName(), startBlockId, endBlockId,
onFinished)
dump("Register prefix", fetchPrefix.toUri())
def onRegisterFailed(prefix):
dump("Register failed for prefix", prefix.toUri())
enabled[0] = False
face.registerPrefix(
fetchPrefix, produceSegments.onInterest, onRegisterFailed)
def onInsertStarted():
dump("Insert started for", fetchPrefix.toUri())
def onFailed():
enabled[0] = False
requestInsert(
face, repoCommandPrefix, fetchPrefix, onInsertStarted, onFailed,
startBlockId, endBlockId)
# Run until all the data is sent.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
"""
Call startRepoWatch and register a prefix so that SendSegments will answer
interests from the repo to send data packets for the watched prefix. When
all the data is sent (or an error), call stopRepoWatch. This assumes that
repo-ng is already running (e.g. `sudo ndn-repo-ng`).
"""
repoCommandPrefix = Name("/example/repo/1")
repoDataPrefix = Name("/example/data/1")
nowMilliseconds = int(time.time() * 1000.0)
watchPrefix = Name(repoDataPrefix).append("testwatch").appendVersion(
nowMilliseconds)
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Use the system default key chain and certificate name to sign commands.
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
# Register the prefix and start the repo watch at the same time.
enabled = [True]
def onFinishedSending():
stopRepoWatchAndQuit(face, repoCommandPrefix, watchPrefix, enabled)
sendSegments = SendSegments(
keyChain, keyChain.getDefaultCertificateName(), onFinishedSending)
def onRegisterFailed(prefix):
dump("Register failed for prefix", prefix.toUri())
enabled[0] = False
dump("Register prefix", watchPrefix.toUri())
face.registerPrefix(watchPrefix, sendSegments.onInterest, onRegisterFailed)
def onRepoWatchStarted():
dump("Watch started for", watchPrefix.toUri())
def onStartFailed():
dump("startRepoWatch failed.")
stopRepoWatchAndQuit(face, repoCommandPrefix, watchPrefix, enabled)
startRepoWatch(
face, repoCommandPrefix, watchPrefix, onRepoWatchStarted, onStartFailed)
# Run until someone sets enabled[0] = False.
enabled[0] = True
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
face = Face()
# Use the system default key chain and certificate name to sign commands.
keyChain = KeyChain()
certificateName = keyChain.getDefaultCertificateName()
face.setCommandSigningInfo(keyChain, certificateName)
test = DiscoveryTest(face, keyChain, certificateName)
test.start()
while True:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def main():
face = Face("localhost")
counter = Counter()
ignored, name = argv
name = "/ndn/ucla.edu/bms/" + name
name1 = Name(name)
dump("Express name ", name1.toUri())
face.expressInterest(name1, 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(0.01)
face.shutdown()
def run(self, namespace):
# The default Face will connect using a Unix socket
face = Face()
prefix = Name(namespace)
# Use the system default key chain and certificate name to sign commands.
face.setCommandSigningInfo(self.keyChain, self.keyChain.getDefaultCertificateName())
# Also use the default certificate name to sign data packets.
face.registerPrefix(prefix, self.onInterest, self.onRegisterFailed)
print "Registering prefix", prefix.toUri()
while True:
face.processEvents()
time.sleep(0.01)
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()
class Consumer(object):
'''Sends Interest, listens for data'''
def __init__(self, name):
self.name = Name(name)
self.face = Face()
self.isDone = False
def run(self):
try:
interest = Interest(self.name)
uri = self.name.toUri()
interest.setInterestLifetimeMilliseconds(4000)
interest.setMustBeFresh(True)
self.face.expressInterest(interest, self._onData, self._onTimeout)
while not self.isDone:
self.face.processEvents()
time.sleep(0.01)
print "Sent Interest for %s" % uri
except RuntimeError as e:
print "ERROR: %s" % e
def _onData(self, interest, data):
payload = data.getContent()
name = data.getName()
print "Received data: %s\n" % payload.toRawStr()
self.isDone = True
def _onTimeout(self, interest):
name = interest.getName()
uri = name.toUri()
print "TIMEOUT ", uri
self.isDone = True
def main():
prefix = Name("/nfd/edu/ucla/remap/test")
# Route to aleph.ndn.ucla.edu. Have to use the canonical name with an IP
# address and port.
uri = "udp4://128.97.98.7:6363"
# The default Face connects to the local NFD.
face = Face()
# Use the system default key chain and certificate name to sign commands.
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
# Create the /localhost/nfd/faces/query command interest, including the
# FaceQueryFilter. Construct the FaceQueryFilter using the structure in
# face_query_filter_pb2 which was produced by protoc.
message = face_query_filter_pb2.FaceQueryFilterMessage()
filter = message.face_query_filter.add()
filter.uri = uri
encodedFilter = ProtobufTlv.encode(message)
interest = Interest(Name("/localhost/nfd/faces/query"))
interest.getName().append(encodedFilter)
enabled = [True]
def onComplete(content):
processFaceStatus(content, prefix, uri, face, enabled)
def onError(errorCode, message):
enabled[0] = False
dump(message)
SegmentFetcher.fetch(
face, interest, SegmentFetcher.DontVerifySegment, onComplete, onError)
# Loop calling processEvents until a callback sets enabled[0] = False.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Use the system default key chain and certificate name to sign commands.
keyChain = KeyChain()
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
# Also use the default certificate name to sign data packets.
echo = Echo(keyChain, keyChain.getDefaultCertificateName())
prefix = Name("/testecho")
dump("Register prefix", prefix.toUri())
face.registerPrefix(prefix, echo.onInterest, echo.onRegisterFailed)
while echo._responseCount < 1:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
face.shutdown()
def run(self, namespace):
# Create a connection to the local forwarder over a Unix socket
face = Face()
prefix = Name(namespace)
# Use the system default key chain and certificate name to sign commands.
face.setCommandSigningInfo(self.keyChain, \
self.keyChain.getDefaultCertificateName())
# Also use the default certificate name to sign Data packets.
face.registerPrefix(prefix, self.onInterest, self.onRegisterFailed)
print "Registering prefix", prefix.toUri()
# Run the event loop forever. Use a short sleep to
# prevent the Producer from using 100% of the CPU.
while not self.isDone:
face.processEvents()
time.sleep(0.01)
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
groupName = Name("/Prefix/READ")
userName = Name("/U")
userKeyName = Name("/U/Key")
contentPrefix = Name("/Prefix/SAMPLE")
contentName = Name(contentPrefix).append("Content")
keyChain = createVerifyKeyChain()
# Imitate test_consumer from the PyNDN integration tests.
databaseFilePath = "test.db"
try:
os.remove(databaseFilePath)
except OSError:
pass
namespace = Namespace(contentName)
namespace.setFace(face)
handler = NacConsumerHandler(
namespace, keyChain, groupName, userName, Sqlite3ConsumerDb(databaseFilePath))
fixtureUserDKeyBlob = Blob(FIXTURE_USER_D_KEY)
handler.addDecryptionKey(userKeyName, fixtureUserDKeyBlob)
enabled = [True]
def onContentSet(namespace, contentNamespace, callbackId):
if contentNamespace == namespace:
dump("Got segmented content", contentNamespace.content.toRawStr())
enabled[0] = False
namespace.addOnContentSet(onContentSet)
segmentStream = SegmentStream(namespace)
SegmentedContent(segmentStream)
segmentStream.start()
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
class KDSPublisher(Thread):
def __init__(self, bld_root, keychain, cert_name, symkey, timestamp):
Thread.__init__(self)
self.bld_root = bld_root
self.keychain = keychain
self.cert_name = cert_name
self.symkey = binascii.hexlify(symkey)
self.timestamp = timestamp
self.face = Face("localhost")
def run(self):
print 'KDS start'
closure = Closure(self.bld_root, self.keychain, self.cert_name, self.symkey, self.timestamp)
self.face.expressInterest(user_name, closure.onData, closure.onTimeout)
while(closure.flag_terminate == 0):
self.face.processEvents()
time.sleep(0.01)
print 'KDS stop'
def main():
face = Face("memoria.ndn.ucla.edu")
page = Namespace("/ndn/edu/ucla/remap/demo/ndn-js-test/named-data.net/project/ndn-ar2011.html/%FDT%F7n%9E")
page.setFace(face)
enabled = [True]
def onContentSet(namespace, contentNamespace, callbackId):
if contentNamespace == namespace:
dump("Got segmented content size", contentNamespace.content.size())
enabled[0] = False
page.addOnContentSet(onContentSet)
segmentStream = SegmentStream(page)
SegmentedContent(segmentStream)
segmentStream.start()
# Loop calling processEvents until a callback sets enabled[0] = False.
while enabled[0]:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
def run(self, prefix):
self.keyChain = KeyChain()
self.consoleThread = ConsoleThread()
self.consoleThread.start()
# The default Face will connect using a Unix socket
face = Face()
prefix = Name(prefix)
# Use the system default key chain and certificate name to sign commands.
face.setCommandSigningInfo(self.keyChain, self.keyChain.getDefaultCertificateName())
# Also use the default certificate name to sign data packets.
face.registerPrefix(prefix, self.onInterest, self.onRegisterFailed)
print "Registering prefix", prefix.toUri()
while not self.isDone:
face.processEvents()
time.sleep(0.01)
def main():
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
(keyChain, certificateName) = createKeyChain()
face.setCommandSigningInfo(keyChain, certificateName)
userKeyName = Name("/U/Key")
contentPrefix = Name("/Prefix/SAMPLE")
testProducer = TestProducer(
contentPrefix, userKeyName, keyChain, certificateName)
prefix = Name("/Prefix")
dump("Register prefix", prefix.toUri())
face.registerPrefix(
prefix, testProducer.onInterest, testProducer.onRegisterFailed)
while testProducer._enabled:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
def deviceListRequest():
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)
while True:
username = raw_input('Login username: '******'t be blank")
continue
else:
break
while True:
password = raw_input("Login password: "******"Username can't be blank")
continue
else:
break
userHMACKey = HMACKey(0,0,password,"userHMACKey")
interestName = Name("/home/controller/deviceList/user/"+username)
interest = Interest(interestName)
a = AccessControlManager()
a.signInterestWithHMACKey(interest,userHMACKey)
dump("Express interst :",interest.toUri())
face.expressInterest(interest,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 main():
# Silence the warning from Interest wire encode.
Interest.setDefaultCanBePrefix(True)
if sys.version_info[0] <= 2:
userPrefixUri = raw_input("Enter your user prefix (e.g. /a): ")
else:
userPrefixUri = input("Enter your user prefix (e.g. /a): ")
if userPrefixUri == "":
dump("You must enter a user prefix")
return
syncPrefixUri = "/sync"
nUserPrefixes = 2
maxPublishedSequenceNo = 3
# The default Face will connect using a Unix socket, or to "localhost".
face = Face()
# Set up the KeyChain.
keyChain = KeyChain("pib-memory:", "tpm-memory:")
keyChain.importSafeBag(SafeBag
(Name("/testname/KEY/123"),
Blob(DEFAULT_RSA_PRIVATE_KEY_DER, False),
Blob(DEFAULT_RSA_PUBLIC_KEY_DER, False)))
face.setCommandSigningInfo(keyChain, keyChain.getDefaultCertificateName())
producer = Producer(
face, keyChain, Name(syncPrefixUri), userPrefixUri, nUserPrefixes,
maxPublishedSequenceNo)
# The main event loop.
while True:
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
def main():
# Uncomment these lines to print ChronoSync debug messages.
# logging.getLogger('').addHandler(logging.StreamHandler(sys.stdout))
# logging.getLogger('').setLevel(logging.INFO)
screenName = promptAndInput("Enter your chat username: "******"ndn/edu/ucla/remap"
hubPrefix = promptAndInput("Enter your hub prefix [" + defaultHubPrefix + "]: ")
if hubPrefix == "":
hubPrefix = defaultHubPrefix
defaultChatRoom = "ndnchat"
chatRoom = promptAndInput("Enter the chatroom name [" + defaultChatRoom + "]: ")
if chatRoom == "":
chatRoom = defaultChatRoom
host = "localhost"
print("Connecting to " + host + ", Chatroom: " + chatRoom + ", Username: "******"")
# Set up the key chain.
face = Face(host)
identityStorage = MemoryIdentityStorage()
privateKeyStorage = MemoryPrivateKeyStorage()
keyChain = KeyChain(IdentityManager(identityStorage, privateKeyStorage),
NoVerifyPolicyManager())
keyChain.setFace(face)
keyName = Name("/testname/DSK-123")
certificateName = keyName.getSubName(0, keyName.size() - 1).append(
"KEY").append(keyName[-1]).append("ID-CERT").append("0")
identityStorage.addKey(keyName, KeyType.RSA, Blob(DEFAULT_RSA_PUBLIC_KEY_DER))
privateKeyStorage.setKeyPairForKeyName(
keyName, KeyType.RSA, DEFAULT_RSA_PUBLIC_KEY_DER, DEFAULT_RSA_PRIVATE_KEY_DER)
face.setCommandSigningInfo(keyChain, certificateName)
chat = Chat(
screenName, chatRoom, Name(hubPrefix), face, keyChain, certificateName)
# The main loop to process Chat while checking stdin to send a message.
print("Enter your chat message. To quit, enter \"leave\" or \"exit\".")
while True:
# Set timeout to 0 for an immediate check.
isReady, _, _ = select.select([sys.stdin], [], [], 0)
if len(isReady) != 0:
input = promptAndInput("")
if input == "leave" or input == "exit":
# We will send the leave message below.
break
chat.sendMessage(input)
face.processEvents()
# We need to sleep for a few milliseconds so we don't use 100% of the CPU.
time.sleep(0.01)
# The user entered the command to leave.
chat.leave()
# Wait a little bit to allow other applications to fetch the leave message.
startTime = Chat.getNowMilliseconds()
while True:
if Chat.getNowMilliseconds() - startTime >= 1000.0:
break
face.processEvents()
time.sleep(0.01)
class LightController():
shouldSign = False
COLORS_PER_LIGHT = 3
STRAND_SIZE = 50
def __init__(self, nStrands=1, myIP="192.168.1.1", lightIP="192.168.1.50", prefix="/testlight"):
self.log = logging.getLogger("LightController")
self.log.setLevel(logging.DEBUG)
sh = logging.StreamHandler()
sh.setLevel(logging.WARNING)
self.log.addHandler(sh)
fh = logging.FileHandler("LightController.log")
fh.setLevel(logging.INFO)
self.log.addHandler(fh)
self.payloadBuffer = [[0]*self.STRAND_SIZE*self.COLORS_PER_LIGHT for n in range(nStrands)]
self.kinetsender = KinetSender(myIP, lightIP, nStrands, self.STRAND_SIZE*self.COLORS_PER_LIGHT)
self.registerFailed = False
self.done = False
self.prefix = Name(prefix)
self.keychain = KeyChain()
self.certificateName = self.keychain.getDefaultCertificateName()
# XXX: we should get a thread for this or something!
def start(self):
self.face = Face()
self.face.setCommandSigningInfo(self.keychain, self.certificateName)
self.face.registerPrefix(self.prefix, self.onLightingCommand, self.onRegisterFailed)
while self.face is not None:
self.face.processEvents()
if self.registerFailed:
self.stop()
break
#time.sleep(0.001)
def stop(self):
self.kinetsender.stop = True
self.kinetsender.complete.wait()
self.face.shutdown()
self.face = None
def signData(self, data):
if LightController.shouldSign:
self.keychain.sign(data, self.certificateName)
else:
data.setSignature(Sha256WithRsaSignature())
def setPayloadColor(self, strand, color):
# will expand this to allow the repeats, etc
self.payloadBuffer[strand] = [int(color.r)&0xff, int(color.g)&0xff, int(color.b)&0xff]*self.STRAND_SIZE
def onLightingCommand(self, prefix, interest, transport, prefixId):
interestName = Name(interest.getName())
#d = Data(interest.getName().getPrefix(prefix.size()+1))
d = Data(interest.getName())
# get the command parameters from the name
try:
commandComponent = interest.getName().get(prefix.size())
commandParams = interest.getName().get(prefix.size()+1)
lightingCommand = LightCommandMessage()
ProtobufTlv.decode(lightingCommand, commandParams.getValue())
self.log.info("Command: " + commandComponent.toEscapedString())
requestedColor = lightingCommand.command.pattern.colors[0]
colorStr = str((requestedColor.r, requestedColor.g, requestedColor.b))
self.log.info("Requested color: " + colorStr)
self.setPayloadColor(0, requestedColor)
self.sendLightPayload(1)
d.setContent("Gotcha: " + colorStr+ "\n")
except Exception as e:
print e
d.setContent("Bad command\n")
finally:
d.getMetaInfo().setFinalBlockID(0)
self.signData(d)
encodedData = d.wireEncode()
transport.send(encodedData.toBuffer())
def onRegisterFailed(self, prefix):
self.log.error("Could not register " + prefix.toUri())
print "Register failed!"
self.registerFailed = True
def sendLightPayload(self, port):
self.kinetsender.setPayload(port, self.payloadBuffer[port-1])
