39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
from libp2p.stream_muxer.mplex.mplex import Mplex
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from libp2p.security.security_multistream import SecurityMultistream
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class TransportUpgrader:
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# pylint: disable=no-self-use
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def __init__(self, secOpt, muxerOpt):
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# Store security option
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self.security_multistream = SecurityMultistream()
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for key in secOpt:
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self.security_multistream.add_transport(key, secOpt[key])
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# Store muxer option
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self.muxer = muxerOpt
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def upgrade_listener(self, transport, listeners):
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"""
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Upgrade multiaddr listeners to libp2p-transport listeners
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"""
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async def upgrade_security(self, raw_conn, peer_id, initiator):
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"""
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Upgrade conn to be a secured connection
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"""
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if initiator:
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return await self.security_multistream.secure_outbound(raw_conn, peer_id)
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return await self.security_multistream.secure_inbound(raw_conn)
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def upgrade_connection(self, conn, generic_protocol_handler, peer_id):
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"""
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Upgrade raw connection to muxed connection
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"""
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# For PoC, no security, default to mplex
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# TODO do exchange to determine multiplexer
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return Mplex(conn, generic_protocol_handler, peer_id)
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