77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
import sys
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import asyncio
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import random
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import threading
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import syndicate
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from syndicate import patterns as P, actor
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from syndicate.schema import simpleChatProtocol, gatekeeper, sturdy, dataspace
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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 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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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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turn.publish(ds, dataspace.Observe(P.rec('Present', P.CAPTURE),
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During(turn, on_add = on_presence).ref))
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turn.publish(ds, dataspace.Observe(P.rec('Says', P.CAPTURE, P.CAPTURE), During(
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turn,
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on_msg = lambda turn, who, what: print('%s says %r' % (who, what))).ref))
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loop = asyncio.get_running_loop()
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def accept_input():
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while True:
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line = sys.stdin.readline()
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if not line:
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actor.Turn.external(loop, f, lambda turn: turn.stop(root_facet))
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break
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actor.Turn.external(loop, f, lambda turn: turn.send(ds, Says(me, line.strip())))
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threading.Thread(target=accept_input, daemon=True).start()
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def main(turn):
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root_facet = turn._facet
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gk_receiver = During(turn, on_add = lambda turn, gk: turn.publish(
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gk.embeddedValue, gatekeeper.Resolve(cap, ds_receiver))).ref
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ds_receiver = During(turn, on_add = lambda turn, ds: turn.facet(
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lambda turn: main_facet(turn, root_facet, ds.embeddedValue))).ref
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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 = gk_receiver,
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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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