66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
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from __future__ import print_function, absolute_import, unicode_literals
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from zope.interface import implementer
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from attr import attrs, attrib
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from attr.validators import provides
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from automat import MethodicalMachine
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from . import _interfaces
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@attrs
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@implementer(_interfaces.IAllocator)
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class Allocator(object):
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_timing = attrib(validator=provides(_interfaces.ITiming))
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m = MethodicalMachine()
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@m.setTrace()
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def set_trace(): pass # pragma: no cover
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def wire(self, rendezvous_connector, code):
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self._RC = _interfaces.IRendezvousConnector(rendezvous_connector)
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self._C = _interfaces.ICode(code)
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@m.state(initial=True)
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def S0A_idle(self): pass # pragma: no cover
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@m.state()
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def S0B_idle_connected(self): pass # pragma: no cover
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@m.state()
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def S1A_allocating(self): pass # pragma: no cover
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@m.state()
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def S1B_allocating_connected(self): pass # pragma: no cover
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@m.state()
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def S2_done(self): pass # pragma: no cover
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# from Code
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@m.input()
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def allocate(self): pass
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# from RendezvousConnector
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@m.input()
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def connected(self): pass
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@m.input()
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def lost(self): pass
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@m.input()
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def rx_allocated(self, nameplate): pass
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@m.output()
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def RC_tx_allocate(self):
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self._RC.tx_allocate()
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@m.output()
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def C_allocated(self, nameplate):
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self._C.allocated(nameplate)
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S0A_idle.upon(connected, enter=S0B_idle_connected, outputs=[])
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S0B_idle_connected.upon(lost, enter=S0A_idle, outputs=[])
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S0A_idle.upon(allocate, enter=S1A_allocating, outputs=[])
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S0B_idle_connected.upon(allocate, enter=S1B_allocating_connected,
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outputs=[RC_tx_allocate])
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S1A_allocating.upon(connected, enter=S1B_allocating_connected,
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outputs=[RC_tx_allocate])
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S1B_allocating_connected.upon(lost, enter=S1A_allocating, outputs=[])
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S1B_allocating_connected.upon(rx_allocated, enter=S2_done,
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outputs=[C_allocated])
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S2_done.upon(connected, enter=S2_done, outputs=[])
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S2_done.upon(lost, enter=S2_done, outputs=[])
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