62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
from .host_interface import IHost
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# Upon host creation, host takes in options,
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# including the list of addresses on which to listen.
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# Host then parses these options and delegates to its Network instance,
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# telling it to listen on the given listen addresses.
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class BasicHost(IHost):
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# default options constructor
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def __init__(self, _network):
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self.network = _network
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self.peerstore = self.network.peerstore
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# self.stream_handlers = {}
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def get_id(self):
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"""
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:return: peer_id of host
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"""
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return self.network.get_peer_id()
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def get_network(self):
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"""
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:return: network instance of host
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"""
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return self.network
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def get_peerstore(self):
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"""
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:return: peerstore of the host (same one as in its network instance)
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"""
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return self.peerstore
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def get_mux(self):
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"""
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:return: mux instance of host
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"""
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pass
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def set_stream_handler(self, protocol_id, stream_handler):
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"""
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set stream handler for host
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:param protocol_id: protocol id used on stream
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:param stream_handler: a stream handler function
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:return: true if successful
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"""
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return self.network.set_stream_handler(protocol_id, stream_handler)
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# protocol_id can be a list of protocol_ids
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# stream will decide which protocol_id to run on
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def new_stream(self, peer_id, protocol_id):
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"""
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:param peer_id: peer_id that host is connecting
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:param proto_id: protocol id that stream runs on
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:return: true if successful
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"""
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# TODO: host should return a mux stream not a raw stream
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stream = self.network.new_stream(peer_id)
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stream.set_protocol(protocol_id)
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return stream
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