twisted.protocols.amp._DescriptorExchanger(object)
class documentationtwisted.protocols.amp
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Known subclasses: twisted.protocols.amp.BinaryBoxProtocol
Implements interfaces: twisted.internet.interfaces.IFileDescriptorReceiver
_DescriptorExchanger
is a mixin for BinaryBoxProtocol
which adds support for receiving file descriptors, a feature offered by IUNIXTransport
.
Method | __init__ | Undocumented |
Method | fileDescriptorReceived | Collect received file descriptors to be claimed later by Descriptor . |
Instance Variable | _descriptors | Temporary storage for all file descriptors received. Values in this
dictionary are the file descriptors (as integers). Keys in this dictionary
are ordinals giving the order in which each descriptor was received. The
ordering information is used to allow Descriptor to
determine which is the correct descriptor for any particular usage of that
argument type. (type: dict ) |
Instance Variable | _sendingDescriptorCounter | A no-argument callable which returns the ordinals, starting from 0. This
is used to construct values for _sendFileDescriptor . |
Instance Variable | _receivingDescriptorCounter | A no-argument callable which returns the ordinals, starting from 0. This
is used to construct values for fileDescriptorReceived . |
Method | _sendFileDescriptor | Assign and return the next ordinal to the given descriptor after sending the descriptor over this protocol's transport. |
Descriptor
to
determine which is the correct descriptor for any particular usage of that
argument type. (type: dict
)
_sendFileDescriptor
.
fileDescriptorReceived
.
Assign and return the next ordinal to the given descriptor after sending the descriptor over this protocol's transport.
Collect received file descriptors to be claimed later by Descriptor
.
Parameters | descriptor | The received file descriptor. (type: int ) |