Python Interest.setName方法代码示例

# 需要导入模块: from pyndn.interest import Interest [as 别名]
# 或者: from pyndn.interest.Interest import setName [as 别名]
 def _fetchNextSegment(self, originalInterest, dataName, segment):
     # Start with the original Interest to preserve any special selectors.
     interest = Interest(originalInterest)
     # Changing a field clears the nonce so that the library will
     #   generate a new one.
     interest.setMustBeFresh(False)
     interest.setName(dataName.getPrefix(-1).appendSegment(segment))
     self._face.expressInterest(interest, self._onData, self._onTimeout)

# 需要导入模块: from pyndn.interest import Interest [as 别名]
# 或者: from pyndn.interest.Interest import setName [as 别名]
    def _nfdRegisterPrefix(
      self, registeredPrefixId, prefix, onInterest, onRegisterFailed, flags,
      commandKeyChain, commandCertificateName, face):
        """
        Do the work of registerPrefix to register with NFD.

        :param int registeredPrefixId: The getNextEntryId() which registerPrefix
          got so it could return it to the caller. If this is 0, then don't add
          to _registeredPrefixTable (assuming it has already been done).
        """
        if commandKeyChain == None:
            raise RuntimeError(
              "registerPrefix: The command KeyChain has not been set. You must call setCommandSigningInfo.")
        if commandCertificateName.size() == 0:
            raise RuntimeError(
              "registerPrefix: The command certificate name has not been set. You must call setCommandSigningInfo.")

        controlParameters = ControlParameters()
        controlParameters.setName(prefix)
        controlParameters.setForwardingFlags(flags)

        commandInterest = Interest()
        if self.isLocal():
            commandInterest.setName(Name("/localhost/nfd/rib/register"))
            # The interest is answered by the local host, so set a short timeout.
            commandInterest.setInterestLifetimeMilliseconds(2000.0)
        else:
            commandInterest.setName(Name("/localhop/nfd/rib/register"))
            # The host is remote, so set a longer timeout.
            commandInterest.setInterestLifetimeMilliseconds(4000.0)
        # NFD only accepts TlvWireFormat packets.
        commandInterest.getName().append(controlParameters.wireEncode(TlvWireFormat.get()))
        self.makeCommandInterest(
          commandInterest, commandKeyChain, commandCertificateName,
          TlvWireFormat.get())

        if registeredPrefixId != 0:
            interestFilterId = 0
            if onInterest != None:
                # registerPrefix was called with the "combined" form that includes
                # the callback, so add an InterestFilterEntry.
                interestFilterId = self.getNextEntryId()
                self.setInterestFilter(
                  interestFilterId, InterestFilter(prefix), onInterest, face)

            self._registeredPrefixTable.append(Node._RegisteredPrefix(
              registeredPrefixId, prefix, interestFilterId))

        # Send the registration interest.
        response = Node._RegisterResponse(
          self, prefix, onInterest, onRegisterFailed, flags,
          TlvWireFormat.get(), True, face)
        self.expressInterest(
          self.getNextEntryId(), commandInterest, response.onData,
          response.onTimeout, TlvWireFormat.get(), face)

# 需要导入模块: from pyndn.interest import Interest [as 别名]
# 或者: from pyndn.interest.Interest import setName [as 别名]
    def _nfdRegisterPrefix(
      self, registeredPrefixId, prefix, onInterest, onRegisterFailed,
      onRegisterSuccess, registrationOptions, commandKeyChain,
      commandCertificateName, face):
        """
        Do the work of registerPrefix to register with NFD.

        :param int registeredPrefixId: The getNextEntryId() which registerPrefix
          got so it could return it to the caller. If this is 0, then don't add
          to _registeredPrefixTable (assuming it has already been done).
        """
        if commandKeyChain == None:
            raise RuntimeError(
              "registerPrefix: The command KeyChain has not been set. You must call setCommandSigningInfo.")
        if commandCertificateName.size() == 0:
            raise RuntimeError(
              "registerPrefix: The command certificate name has not been set. You must call setCommandSigningInfo.")

        controlParameters = ControlParameters()
        controlParameters.setName(prefix)
        controlParameters.setForwardingFlags(registrationOptions)
        if (registrationOptions.getOrigin() != None and
              registrationOptions.getOrigin() >= 0):
            controlParameters.setOrigin(registrationOptions.getOrigin())
            # Remove the origin value from the flags since it is not used to encode.
            controlParameters.getForwardingFlags().setOrigin(None)

        commandInterest = Interest()
        commandInterest.setCanBePrefix(True)
        if self.isLocal():
            commandInterest.setName(Name("/localhost/nfd/rib/register"))
            # The interest is answered by the local host, so set a short timeout.
            commandInterest.setInterestLifetimeMilliseconds(2000.0)
        else:
            commandInterest.setName(Name("/localhop/nfd/rib/register"))
            # The host is remote, so set a longer timeout.
            commandInterest.setInterestLifetimeMilliseconds(4000.0)
        # NFD only accepts TlvWireFormat packets.
        commandInterest.getName().append(controlParameters.wireEncode(TlvWireFormat.get()))
        self.makeCommandInterest(
          commandInterest, commandKeyChain, commandCertificateName,
          TlvWireFormat.get())

        # Send the registration interest.
        response = Node._RegisterResponse(
          prefix, onRegisterFailed, onRegisterSuccess, registeredPrefixId, self,
          onInterest, face)
        self.expressInterest(
          self.getNextEntryId(), commandInterest, response.onData,
          response.onTimeout, None, TlvWireFormat.get(), face)

# 需要导入模块: from pyndn.interest import Interest [as 别名]
# 或者: from pyndn.interest.Interest import setName [as 别名]
    def _getExpressInterestArgs(self, interestOrName, arg2, arg3, arg4, arg5, arg6):
        """
        This is a protected helper method to resolve the different overloaded
        forms of Face.expressInterest and return the arguments to pass to
        Node.expressInterest. This is necessary to prepare arguments such as
        interestCopy before dispatching to Node.expressInterest.

        :return: A dictionary with the following keys: 'pendingInterestId',
          'interestCopy', 'onData', 'onTimeout', 'onNetworkNack' and 'wireFormat'.
        :rtype: dict
        """
        if isinstance(interestOrName, Interest):
            # Node.expressInterest requires a copy of the interest.
            interestCopy = Interest(interestOrName)
        else:
            # The first argument is a name. Make the interest from the name and
            #   possible template.
            if isinstance(arg2, Interest):
                template = arg2
                # Copy the template.
                interestCopy = Interest(template)
                interestCopy.setName(interestOrName)

                # Shift the remaining args to be processed below.
                arg2 = arg3
                arg3 = arg4
                arg4 = arg5
                arg5 = arg6
            else:
                # No template.
                interestCopy = Interest(interestOrName)
                # Set a default interest lifetime.
                interestCopy.setInterestLifetimeMilliseconds(4000.0)

        onData = arg2
        # arg3,       arg4,          arg5 may be:
        # OnTimeout,  OnNetworkNack, WireFormat
        # OnTimeout,  OnNetworkNack, None
        # OnTimeout,  WireFormat,    None
        # OnTimeout,  None,          None
        # WireFormat, None,          None
        # None,       None,          None
        if isinstance(arg3, collections.Callable):
            onTimeout = arg3
        else:
            onTimeout = None

        if isinstance(arg4, collections.Callable):
            onNetworkNack = arg4
        else:
            onNetworkNack = None

        if isinstance(arg3, WireFormat):
            wireFormat = arg3
        elif isinstance(arg4, WireFormat):
            wireFormat = arg4
        elif isinstance(arg5, WireFormat):
            wireFormat = arg5
        else:
            wireFormat = WireFormat.getDefaultWireFormat()

        return { 'pendingInterestId': self._node.getNextEntryId(),
          'interestCopy': interestCopy, 'onData': onData, 'onTimeout': onTimeout,
          'onNetworkNack': onNetworkNack, 'wireFormat': wireFormat }

# 需要导入模块: from pyndn.interest import Interest [as 别名]
# 或者: from pyndn.interest.Interest import setName [as 别名]
    def _getExpressInterestArgs(self, interestOrName, arg2, arg3, arg4, arg5):
        """
        This is a protected helper method to resolve the different overloaded
        forms of Face.expressInterest and return the arguments to pass to
        Node.expressInterest. This is necessary to prepare arguments such as
        interestCopy before dispatching to Node.expressInterest.

        :return: A dictionary with the following keys: 'pendingInterestId',
          'interestCopy', 'onData', 'onTimeout' and 'wireFormat'.
        :rtype: dict
        """
        # expressInterest(interest, onData)
        # expressInterest(interest, onData, wireFormat)
        # expressInterest(interest, onData, onTimeout)
        # expressInterest(interest, onData, onTimeout, wireFormat)
        if type(interestOrName) is Interest:
            # Node.expressInterest requires a copy of the interest.
            interestCopy = Interest(interestOrName)
            onData = arg2
            if isinstance(arg3, WireFormat):
                onTimeout = None
                wireFormat = arg3
            else:
                onTimeout = arg3
                wireFormat = arg4
        else:
            # The first argument is a name. Make the interest from the name and
            #   possible template.

            # expressInterest(name, interestTemplate, onData)
            # expressInterest(name, interestTemplate, onData, wireFormat)
            # expressInterest(name, interestTemplate, onData, onTimeout)
            # expressInterest(name, interestTemplate, onData, onTimeout, wireFormat)
            if type(arg2) is Interest:
                template = arg2
                # Copy the template.
                interestCopy = Interest(template)
                interestCopy.setName(interestOrName)

                onData = arg3
                if isinstance(arg4, WireFormat):
                    onTimeout = None
                    wireFormat = arg4
                else:
                    onTimeout = arg4
                    wireFormat = arg5
            # expressInterest(name, onData)
            # expressInterest(name, onData, wireFormat)
            # expressInterest(name, onData, onTimeout)
            # expressInterest(name, onData, onTimeout, wireFormat)
            else:
                interestCopy = Interest(interestOrName)
                # Set a default interest lifetime.
                interestCopy.setInterestLifetimeMilliseconds(4000.0)
                onData = arg2
                if isinstance(arg3, WireFormat):
                    onTimeout = None
                    wireFormat = arg3
                else:
                    onTimeout = arg3
                    wireFormat = arg4

        if wireFormat == None:
            # Don't use a default argument since getDefaultWireFormat can change.
            wireFormat = WireFormat.getDefaultWireFormat()

        return { 'pendingInterestId': self._node.getNextEntryId(),
          'interestCopy': interestCopy, 'onData': onData, 'onTimeout': onTimeout,
          'wireFormat': wireFormat }