78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
import sys
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import asyncio
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import random
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import syndicate
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from syndicate import patterns as P, actor, dataspace
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from syndicate.schema import simpleChatProtocol, gatekeeper, sturdy
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from syndicate.during import During
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Present = simpleChatProtocol.Present
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Says = simpleChatProtocol.Says
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conn_str = '<ws "ws://localhost:8001/">'
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cap_str = '<ref "syndicate" [] #[pkgN9TBmEd3Q04grVG4Zdw==]>'
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cap = sturdy.SturdyRef.decode(syndicate.parse(cap_str))
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# sys.stderr.write(
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# 'Usage: chat.py [ <tcp "HOST" PORT> | <ws "ws://HOST[:PORT]/"> | <unix "PATH"> ]\n')
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# sys.exit(1)
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me = 'user_' + str(random.randint(10, 1000))
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_print = print
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def print(*items):
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_print(*items)
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sys.stdout.flush()
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def main_facet(turn, root_facet, ds):
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print('main_facet', ds)
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f = turn._facet
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turn.publish(ds, Present(me))
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@During().observe(turn, ds, P.rec('Present', P.CAPTURE))
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def on_presence(turn, who):
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print('%s joined' % (who,))
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return lambda turn: print('%s left' % (who,))
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@dataspace.observe(turn, ds, P.rec('Says', P.CAPTURE, P.CAPTURE))
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@During().msg_handler
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def on_says(turn, who, what):
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print('%s says %r' % (who, what))
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@turn.linked_task()
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async def accept_input():
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reader = asyncio.StreamReader()
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await actor.find_loop().connect_read_pipe(lambda: asyncio.StreamReaderProtocol(reader), sys.stdin)
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while line := (await reader.readline()).decode('utf-8'):
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actor.Turn.external(f, lambda turn: turn.send(ds, Says(me, line.strip())))
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actor.Turn.external(f, lambda turn: turn.stop(root_facet))
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def main(turn):
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root_facet = turn._facet
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@During().add_handler
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def handle_gatekeeper(turn, gk):
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@During().add_handler
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def handle_ds(turn, ds):
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return turn.facet(lambda turn: main_facet(turn, root_facet, ds.embeddedValue))
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turn.publish(gk.embeddedValue, gatekeeper.Resolve(cap, turn.ref(handle_ds)))
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disarm = turn.prevent_inert_check()
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async def on_connected(tr):
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disarm()
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print('-'*50, 'Connected')
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async def on_disconnected(tr, did_connect):
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if did_connect:
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print('-'*50, 'Disconnected')
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else:
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await asyncio.sleep(2)
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return True
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conn = syndicate.relay.TunnelRelay.from_str(turn,
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conn_str,
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gatekeeper_peer = turn.ref(handle_gatekeeper),
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on_connected = on_connected,
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on_disconnected = on_disconnected)
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actor.start_actor_system(main, name = 'chat', debug = False)
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