How to use the spaghetti.Transition function in spaghetti

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github meejah / txtorcon / txtorcon / torcontrolprotocol.py View on Github external
self._start_command))
        idle.add_transition(Transition(recv,
                                       self._is_continuation_line,
                                       self._start_command))

        recv.add_transition(Transition(recv,
                                       self._is_continuation_line,
                                       self._accumulate_response))
        recv.add_transition(Transition(idle,
                                       self._is_finish_line,
                                       self._broadcast_response))

        recvmulti.add_transition(Transition(recv,
                                            self._is_end_line,
                                            lambda x: None))
        recvmulti.add_transition(Transition(recvmulti,
                                            self._is_not_end_line,
                                            self._accumulate_multi_response))

        self.fsm = FSM([recvnotify, idle, recvmulti, recv])
        self.state_idle = idle
        ## hand-set initial state default start state is first in the
        ## list; the above looks nice in dotty though
        self.fsm.state = idle
        if DEBUG:
            self.debuglog = open('txtorcon-debug.log', 'w')
            with open('fsm.dot', 'w') as fsmfile:
                fsmfile.write(self.fsm.dotty())
github meejah / txtorcon / txtorcon / torstate.py View on Github external
waiting_r.add_transition(Transition(eat_line, lambda x: x.strip() == '.' or x.strip() == 'OK', nothing))
        waiting_r.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin))
        ## FIXME use better method/func than die!!
        waiting_r.add_transition(Transition(eat_line, lambda x: x[:2] != 'r ', die('Expected "r " while parsing routers not "%s"')))
        
        waiting_s.add_transition(Transition(waiting_w, lambda x: x[:2] == 's ', self._router_flags))
        waiting_s.add_transition(Transition(eat_line, lambda x: x[:2] != 's ', die('Expected "s " while parsing routers not "%s"')))
        waiting_s.add_transition(Transition(eat_line, lambda x: x.strip() == '.', nothing))
        
        waiting_w.add_transition(Transition(waiting_p, lambda x: x[:2] == 'w ', self._router_bandwidth))
        waiting_w.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "w" lines are optional
        waiting_w.add_transition(Transition(eat_line, lambda x: x[:2] != 'w ', die('Expected "w " while parsing routers not "%s"')))
        waiting_w.add_transition(Transition(eat_line, lambda x: x.strip() == '.', nothing))
        
        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] == 'p ', self._router_policy))
        waiting_p.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "p" lines are optional
        waiting_p.add_transition(Transition(eat_line, lambda x: x[:2] != 'p ', die('Expected "p " while parsing routers not "%s"')))
        waiting_p.add_transition(Transition(eat_line, lambda x: x.strip() == '.', nothing))
        
        self._network_status_parser = FSM([eat_line, waiting_r, waiting_s, waiting_w, waiting_p])

        self.post_bootstrap = defer.Deferred()
        if bootstrap:
            if self.protocol.post_bootstrap:
                self.protocol.post_bootstrap.addCallback(self._bootstrap).addErrback(self.post_bootstrap.errback)
            else:
                self._bootstrap()
github meejah / txtorcon / txtorcon / torstate.py View on Github external
waiting_s = State("waiting_s")

        def ignorable_line(x):
            return x.strip() == '.' or x.strip() == 'OK' or x[:3] == 'ns/' or x.strip() == ''

        waiting_r.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_r.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin))
        ## FIXME use better method/func than die!!
        waiting_r.add_transition(Transition(waiting_r, lambda x: x[:2] != 'r ', die('Expected "r " while parsing routers not "%s"')))

        waiting_s.add_transition(Transition(waiting_w, lambda x: x[:2] == 's ', self._router_flags))
        waiting_s.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x[:2] != 's ', die('Expected "s " while parsing routers not "%s"')))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_w.add_transition(Transition(waiting_p, lambda x: x[:2] == 'w ', self._router_bandwidth))
        waiting_w.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_w.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "w" lines are optional
        waiting_w.add_transition(Transition(waiting_r, lambda x: x[:2] != 'w ', die('Expected "w " while parsing routers not "%s"')))
        waiting_w.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] == 'p ', self._router_policy))
        waiting_p.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_p.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "p" lines are optional
        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] != 'p ', die('Expected "p " while parsing routers not "%s"')))
        waiting_p.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        self._network_status_parser = FSM([waiting_r, waiting_s, waiting_w, waiting_p])
        if write_state_diagram:
            with open('routerfsm.dot', 'w') as fsmfile:
                fsmfile.write(self._network_status_parser.dotty())
github meejah / txtorcon / txtorcon / torstate.py View on Github external
def nothing(*args):
            pass

        waiting_r = State("waiting_r")
        waiting_w = State("waiting_w")
        waiting_p = State("waiting_p")
        waiting_s = State("waiting_s")

        def ignorable_line(x):
            return x.strip() == '.' or x.strip() == 'OK' or x[:3] == 'ns/' or x.strip() == ''

        waiting_r.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_r.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin))
        ## FIXME use better method/func than die!!
        waiting_r.add_transition(Transition(waiting_r, lambda x: x[:2] != 'r ', die('Expected "r " while parsing routers not "%s"')))

        waiting_s.add_transition(Transition(waiting_w, lambda x: x[:2] == 's ', self._router_flags))
        waiting_s.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x[:2] != 's ', die('Expected "s " while parsing routers not "%s"')))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_w.add_transition(Transition(waiting_p, lambda x: x[:2] == 'w ', self._router_bandwidth))
        waiting_w.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_w.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "w" lines are optional
        waiting_w.add_transition(Transition(waiting_r, lambda x: x[:2] != 'w ', die('Expected "w " while parsing routers not "%s"')))
        waiting_w.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] == 'p ', self._router_policy))
        waiting_p.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_p.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "p" lines are optional
        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] != 'p ', die('Expected "p " while parsing routers not "%s"')))
github meejah / txtorcon / txtorcon / torstate.py View on Github external
waiting_w = State("waiting_w")
        waiting_p = State("waiting_p")
        waiting_s = State("waiting_s")

        def ignorable_line(x):
            return x.strip() == '.' or x.strip() == 'OK' or x[:3] == 'ns/' or x.strip() == ''

        waiting_r.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_r.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin))
        ## FIXME use better method/func than die!!
        waiting_r.add_transition(Transition(waiting_r, lambda x: x[:2] != 'r ', die('Expected "r " while parsing routers not "%s"')))

        waiting_s.add_transition(Transition(waiting_w, lambda x: x[:2] == 's ', self._router_flags))
        waiting_s.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x[:2] != 's ', die('Expected "s " while parsing routers not "%s"')))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_w.add_transition(Transition(waiting_p, lambda x: x[:2] == 'w ', self._router_bandwidth))
        waiting_w.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_w.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "w" lines are optional
        waiting_w.add_transition(Transition(waiting_r, lambda x: x[:2] != 'w ', die('Expected "w " while parsing routers not "%s"')))
        waiting_w.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] == 'p ', self._router_policy))
        waiting_p.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_p.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "p" lines are optional
        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] != 'p ', die('Expected "p " while parsing routers not "%s"')))
        waiting_p.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        self._network_status_parser = FSM([waiting_r, waiting_s, waiting_w, waiting_p])
        if write_state_diagram:
            with open('routerfsm.dot', 'w') as fsmfile:
github meejah / txtorcon / txtorcon / torcontrolprotocol.py View on Github external
## simply, confounded by the fact that 600's (notify) can come
        ## at any time AND can be multi-line itself. Luckily, these
        ## can't be nested, nor can the responses be interleaved.

        idle = State("IDLE")
        recv = State("RECV")
        recvmulti = State("RECV_PLUS")
        recvnotify = State("NOTIFY_MULTILINE")

        idle.add_transition(Transition(idle,
                                       self._is_single_line_response,
                                       self._broadcast_response))
        idle.add_transition(Transition(recvmulti,
                                       self._is_multi_line,
                                       self._start_command))
        idle.add_transition(Transition(recv,
                                       self._is_continuation_line,
                                       self._start_command))

        recv.add_transition(Transition(recv,
                                       self._is_continuation_line,
                                       self._accumulate_response))
        recv.add_transition(Transition(idle,
                                       self._is_finish_line,
                                       self._broadcast_response))

        recvmulti.add_transition(Transition(recv,
                                            self._is_end_line,
                                            lambda x: None))
        recvmulti.add_transition(Transition(recvmulti,
                                            self._is_not_end_line,
                                            self._accumulate_multi_response))
github meejah / txtorcon / txtorcon / torstate.py View on Github external
waiting_r.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin))
        ## FIXME use better method/func than die!!
        waiting_r.add_transition(Transition(waiting_r, lambda x: x[:2] != 'r ', die('Expected "r " while parsing routers not "%s"')))

        waiting_s.add_transition(Transition(waiting_w, lambda x: x[:2] == 's ', self._router_flags))
        waiting_s.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x[:2] != 's ', die('Expected "s " while parsing routers not "%s"')))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_w.add_transition(Transition(waiting_p, lambda x: x[:2] == 'w ', self._router_bandwidth))
        waiting_w.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_w.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "w" lines are optional
        waiting_w.add_transition(Transition(waiting_r, lambda x: x[:2] != 'w ', die('Expected "w " while parsing routers not "%s"')))
        waiting_w.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] == 'p ', self._router_policy))
        waiting_p.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_p.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "p" lines are optional
        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] != 'p ', die('Expected "p " while parsing routers not "%s"')))
        waiting_p.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        self._network_status_parser = FSM([waiting_r, waiting_s, waiting_w, waiting_p])
        if write_state_diagram:
            with open('routerfsm.dot', 'w') as fsmfile:
                fsmfile.write(self._network_status_parser.dotty())

        self.post_bootstrap = defer.Deferred()
        if bootstrap:
            if self.protocol.post_bootstrap:
                self.protocol.post_bootstrap.addCallback(self._bootstrap).addErrback(self.post_bootstrap.errback)
            else:
                self._bootstrap()
github meejah / txtorcon / txtorcon / torcontrolprotocol.py View on Github external
recvnotify = State("NOTIFY_MULTILINE")

        idle.add_transition(Transition(idle,
                                       self._is_single_line_response,
                                       self._broadcast_response))
        idle.add_transition(Transition(recvmulti,
                                       self._is_multi_line,
                                       self._start_command))
        idle.add_transition(Transition(recv,
                                       self._is_continuation_line,
                                       self._start_command))

        recv.add_transition(Transition(recv,
                                       self._is_continuation_line,
                                       self._accumulate_response))
        recv.add_transition(Transition(idle,
                                       self._is_finish_line,
                                       self._broadcast_response))

        recvmulti.add_transition(Transition(recv,
                                            self._is_end_line,
                                            lambda x: None))
        recvmulti.add_transition(Transition(recvmulti,
                                            self._is_not_end_line,
                                            self._accumulate_multi_response))

        self.fsm = FSM([recvnotify, idle, recvmulti, recv])
        self.state_idle = idle
        ## hand-set initial state default start state is first in the
        ## list; the above looks nice in dotty though
        self.fsm.state = idle
        if DEBUG:
github meejah / txtorcon / txtorcon / torstate.py View on Github external
eat_line.add_transition(Transition(waiting_r, lambda x: True, nothing))
        
        waiting_r.add_transition(Transition(eat_line, lambda x: x.strip() == '.' or x.strip() == 'OK', nothing))
        waiting_r.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin))
        ## FIXME use better method/func than die!!
        waiting_r.add_transition(Transition(eat_line, lambda x: x[:2] != 'r ', die('Expected "r " while parsing routers not "%s"')))
        
        waiting_s.add_transition(Transition(waiting_w, lambda x: x[:2] == 's ', self._router_flags))
        waiting_s.add_transition(Transition(eat_line, lambda x: x[:2] != 's ', die('Expected "s " while parsing routers not "%s"')))
        waiting_s.add_transition(Transition(eat_line, lambda x: x.strip() == '.', nothing))
        
        waiting_w.add_transition(Transition(waiting_p, lambda x: x[:2] == 'w ', self._router_bandwidth))
        waiting_w.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "w" lines are optional
        waiting_w.add_transition(Transition(eat_line, lambda x: x[:2] != 'w ', die('Expected "w " while parsing routers not "%s"')))
        waiting_w.add_transition(Transition(eat_line, lambda x: x.strip() == '.', nothing))
        
        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] == 'p ', self._router_policy))
        waiting_p.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "p" lines are optional
        waiting_p.add_transition(Transition(eat_line, lambda x: x[:2] != 'p ', die('Expected "p " while parsing routers not "%s"')))
        waiting_p.add_transition(Transition(eat_line, lambda x: x.strip() == '.', nothing))
        
        self._network_status_parser = FSM([eat_line, waiting_r, waiting_s, waiting_w, waiting_p])

        self.post_bootstrap = defer.Deferred()
        if bootstrap:
            if self.protocol.post_bootstrap:
                self.protocol.post_bootstrap.addCallback(self._bootstrap).addErrback(self.post_bootstrap.errback)
            else:
                self._bootstrap()
github meejah / txtorcon / txtorcon / torstate.py View on Github external
def __call__(self, *args):
                raise RuntimeError(self.msg % tuple(args))

        def nothing(*args):
            pass

        waiting_r = State("waiting_r")
        waiting_w = State("waiting_w")
        waiting_p = State("waiting_p")
        waiting_s = State("waiting_s")

        def ignorable_line(x):
            return x.strip() == '.' or x.strip() == 'OK' or x[:3] == 'ns/' or x.strip() == ''

        waiting_r.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_r.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin))
        ## FIXME use better method/func than die!!
        waiting_r.add_transition(Transition(waiting_r, lambda x: x[:2] != 'r ', die('Expected "r " while parsing routers not "%s"')))

        waiting_s.add_transition(Transition(waiting_w, lambda x: x[:2] == 's ', self._router_flags))
        waiting_s.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x[:2] != 's ', die('Expected "s " while parsing routers not "%s"')))
        waiting_s.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_w.add_transition(Transition(waiting_p, lambda x: x[:2] == 'w ', self._router_bandwidth))
        waiting_w.add_transition(Transition(waiting_r, ignorable_line, nothing))
        waiting_w.add_transition(Transition(waiting_s, lambda x: x[:2] == 'r ', self._router_begin)) # "w" lines are optional
        waiting_w.add_transition(Transition(waiting_r, lambda x: x[:2] != 'w ', die('Expected "w " while parsing routers not "%s"')))
        waiting_w.add_transition(Transition(waiting_r, lambda x: x.strip() == '.', nothing))

        waiting_p.add_transition(Transition(waiting_r, lambda x: x[:2] == 'p ', self._router_policy))
        waiting_p.add_transition(Transition(waiting_r, ignorable_line, nothing))

spaghetti

Analysis of Network-constrained Spatial Data

BSD-3-Clause
Latest version published 5 months ago

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