make the actor more multi-threaded and do more logging
authorRalf Jung <post@ralfj.de>
Wed, 16 Oct 2013 17:46:09 +0000 (19:46 +0200)
committerRalf Jung <post@ralfj.de>
Wed, 16 Oct 2013 17:46:09 +0000 (19:46 +0200)
actor.py
libtuer.py
statemachine.py
tysock.py

index 0a53263d3cdd9485da0b26ddaa2039f18c8ebea4..439a7bb0cd2bc0d783d1d01831f420e9b47a0a18 100644 (file)
--- a/actor.py
+++ b/actor.py
@@ -7,28 +7,43 @@ class Actor:
        CMD_UNLOCK = 1
        CMD_LOCK = 2
        
+       class CMD():
+               def __init__(self, name, pin, tid, todo):
+                       self.name = name
+                       self.pin = pin
+                       self.tid = tid
+                       self.todo = todo
+                       # don't do the GPIO setup here, the main init did not yet run
+               
+               def execute(self):
+                       logger.info("Actor: Running command %s" % self.name)
+                       for (value, delay) in self.todo:
+                               if value is not None:
+                                       logger.debug("Actor: Setting pin %d to %d" % (self.pin, value))
+                                       GPIO.output(self.pin, value)
+                               time.sleep(delay)
+       
        CMDs = {
-               CMD_UNLOCK:  ("unlock", 12, [(True, 0.3), (False, 0.1)]),
-               CMD_LOCK:  ("lock", 16, [(True, 0.3), (False, 0.1)]),
-               CMD_BUZZ: ("buzz", 22, [(True, 2.0), (False, 0.1)]),
+               CMD_UNLOCK:  CMD("unlock", pin=12, tid=0, todo=[(True, 0.3), (False, 0.1)]),
+               CMD_LOCK:  CMD("lock", pin=16, tid=0, todo=[(True, 0.3), (False, 0.1)]),
+               CMD_BUZZ: CMD("buzz", pin=22, tid=1, todo=[(True, 2.0), (False, 0.1)]),
        }
        
        def __init__(self):
-               self.act = ThreadFunction(self._act, name="Actor")
-               for (name, pin, todo) in self.CMDs.values():
-                       GPIO.setup(pin, GPIO.OUT)
+               # launch threads, all running the "_execute" method
+               self.threads = {}
+               for cmd in Actor.CMDs.values():
+                       GPIO.setup(cmd.pin, GPIO.OUT)
+                       if not cmd.tid in self.threads:
+                               self.threads[cmd.tid] = ThreadFunction(self._execute, "Actor TID %d" % cmd.tid)
        
-       def _act(self, cmd):
-               if cmd in self.CMDs:
-                       (name, pin, todo) = self.CMDs[cmd]
-                       logger.info("Actor: Running command %s" % name)
-                       for (value, delay) in todo:
-                               if value is not None:
-                                       logger.debug("Actor: Setting pin %d to %d" % (pin, value))
-                                       GPIO.output(pin, value)
-                               time.sleep(delay)
-               else:
-                       logger.critical("Actor: Got unknown command %d" % cmd)
+       def _execute(self, cmd):
+               Actor.CMDs[cmd].execute()
+       
+       def act(self, cmd):
+               # dispatch command to correct thread
+               self.threads[Actor.CMDs[cmd].tid](cmd)
        
        def stop(self):
-               self.act.stop()
+               for thread in self.threads.values():
+                       thread.stop()
index 05607f6e8b9f5cc9cad3397e000aaa233aa77205..cd10a7bcded338e514ca8480633a07c278672d70 100644 (file)
@@ -1,6 +1,6 @@
 import logging, logging.handlers, os, time, queue, threading, subprocess
 import traceback, smtplib
-import email.mime.text, email.util
+import email.mime.text, email.utils
 
 # Logging configuration
 syslogLevel = logging.INFO
@@ -18,7 +18,6 @@ def sendeMail(subject, text, receivers, sender='sphinx@hacksaar.de', replyTo=Non
        msg['To'] = ', '.join(receivers)
        if replyTo is not None:
                msg['Reply-To'] = replyTo
-       # FIXME set time
        # put into envelope and send
        s = smtplib.SMTP('ralfj.de')
        s.sendmail(sender, receivers, msg.as_string())
index 0fc24bdf08e1c4d9b91c80752cf6c6cc97d5e704..850eb0e598f61f2239b685b9e79a0f008f6ceef0 100644 (file)
@@ -30,7 +30,7 @@ ABOUTOPEN_NERVLIST = [(5, lambda : play_sound("flipswitch")), (5, lambda:play_so
 
 # Timeout we wait after the switch was switched to "Closed", until we assume nobody will open the door and we just lock it
 # ALso the time we wait after the door was opend, till we assume something went wrong and start nerving
-LEAVE_TIMEOUT = 20
+LEAVE_TIMEOUT = 4
 
 # play_sound constants
 SOUNDS_DIRECTORY = "/opt/tuer/sounds/"
@@ -103,25 +103,27 @@ class StateMachine():
                '''A state with invariant "The space is locked", switching to StateAboutToOpen when the space becomes unlocked'''
                def handle_pins_event(self):
                        if not self.pins().door_locked:
-                               return StateAboutToOpen(self.state_machine)
-                       return super().handle_pins_event
+                               logger.info("Door unlocked, space is about to open")
+                               return StateMachine.StateAboutToOpen(self.state_machine)
+                       return super().handle_pins_event()
        
        class AbstractUnlockedState(State):
                '''A state with invariant "The space is unlocked", switching to StateZu when the space becomes locked'''
                def handle_pins_event(self):
                        if self.pins().door_locked:
+                               logger.info("Door locked, closing space")
                                if self.pins().space_active:
                                        # FIXME the same state can be reached by first locking the door, and then activating the space. What to do then?
-                                       logger.info("StateMachine: door manually locked, but space switch is still on - going to StateZu")
+                                       logger.warning("StateMachine: door manually locked, but space switch is still on - going to StateZu")
                                        play_sound("manual_lock")
-                               return StateZu(self.state_machine)
-                       return super().handle_pins_event
+                               return StateMachine.StateZu(self.state_machine)
+                       return super().handle_pins_event()
        
        class StateStart(State):
                def handle_pins_event(self):
                        pins = self.pins()
                        if not (pins.door_locked is None or pins.door_closed is None or pins.space_active is None or pins.bell_ringing is None):
-                               # All sensors got a value, switch to a proper state
+                               logger.info("All sensors got a value, switching to a proper state")
                                if pins.door_locked:
                                        return StateMachine.StateZu(self.state_machine)
                                else:
@@ -167,6 +169,7 @@ class StateMachine():
                def handle_pins_event(self):
                        pins = self.pins()
                        if pins.space_active:
+                               logger.info("Space activated, opening procedure completed")
                                return StateMachine.StateAuf(self.state_machine)
                        return super().handle_pins_event()
        
@@ -216,6 +219,7 @@ class StateMachine():
                        if not self.pins().door_closed:
                                return StateMachine.StateLeaving(self.state_machine)
                        if self.pins().space_active:
+                               logger.info("Space re-activated, cancelling leaving procedure")
                                return StateMachine.StateAuf(self.state_machine)
                        return super().handle_pins_event()
        
@@ -225,8 +229,10 @@ class StateMachine():
                        super().__init__(sm, nervlist)
                def handle_pins_event(self):
                        if self.pins().door_closed:
+                               logger.info("The space was left, locking the door")
                                return StateMachine.StateLocking(self.state_machine)
                        if self.pins().space_active:
+                               logger.info("Space re-activated, cancelling leaving procedure")
                                return StateMachine.StateAuf(self.state_machine)
                        return super().handle_pins_event()
        
@@ -248,6 +254,7 @@ class StateMachine():
                newstate = self.current_state.handle_event(cmd,arg) # returns None or an instance of the new state
                self.old_pins = self.pins
                while newstate is not None:
+                       assert isinstance(newstate, StateMachine.State), "I should get a state"
                        self.current_state.on_leave()
                        logger.debug("StateMachine: Doing state transition %s -> %s" % (self.current_state.__class__.__name__, newstate.__class__.__name__))
                        self.current_state = newstate
index 82d26a8075ab097d90fc39f177699722eddbea21..0984b2a480f949178acff6c51defde3c54f97f2f 100644 (file)
--- a/tysock.py
+++ b/tysock.py
@@ -1,4 +1,4 @@
-import socket, os, stat, struct, pwd
+import socket, os, stat, struct, pwd, errno
 from statemachine import StateMachine
 from libtuer import logger
 SO_PEERCRED = 17 # DO - NOT - TOUCH