mirror of https://github.com/dirtbags/netarch.git
37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
import typing
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from . import trilobytes
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class NamedFile(typing.NamedTuple):
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"""A file object and the path where it lives"""
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File: typing.BinaryIO
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Name: string
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class Utterance(typing.NamedTuple):
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"""An atomic communication within a Stream.
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Streams consist of a string of Utterances.
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Each utterance has associated data, and a time stamp.
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Typically these line up with what crosses the network,
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but bear in mind that TCP is a streaming protocol,
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so don't rely on Utterances alone to separate Application-layer packets.
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"""
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When: float
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Data: trilobytes.TriloBytes
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class Stream:
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"""A Stream is one half of a two-way conversation"""
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def __init__(self, net, transport):
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self.net = net
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self.transport = transport
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def reassembled(rs):
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"""Called by the TCP assembler when an Utterance can be built"""
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data = trilobytes.TriloBytes()
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for r in rs:
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if r.Skip > 0:
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data += [None] * r.Skip
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data + r.Bytes
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if len(data) > 0 |