Python Face.processEvents方法代码示例

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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)

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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)

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
    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)

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
    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)

# 需要导入模块: from pyndn import Face [as 别名]
# 或者: from pyndn.Face import processEvents [as 别名]
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()