def run(self):
if log.m(log.LEVEL_START_STOP_THREADS): log.l('<'+str(self.threadID)+'> starting Thread: ' + self.name)
self.state = constants.CMD_STATE_STARTED
self.task.start()
self.stop()
if log.m(log.LEVEL_START_STOP_THREADS): log.l('<'+str(self.threadID)+'> exiting:' + self.name)
def run(self):
if log.m(log.LEVEL_TRIGGER): log.l('starting trigger manager...')
while self.active:
self.mutex.acquire()
try:
for k,v in self.triggers.items():
if v.isTrue():
v.action()
except:
if log.m(log.LEVEL_ERRORS): log.l('ERROR in trigger run method: ' + str(sys.exc_info()[0]) + ': '+str(sys.exc_info()[1]))
self.mutex.release()
time.sleep(config.DELAY)
if log.m(log.LEVEL_TRIGGER): log.l('stopping trigger manager...')
def execute(self):
"""
executes the request and returns an answer according to the protocol
@return: answer as JSON object
"""
if log.m(log.LEVEL_REQUESTS): log.l('executing request of type: ' + self.type)
return None
def start(self):
self.state = constants.CMD_STATE_STARTED
if self.thread is not None and self.thread.state != constants.CMD_STATE_STARTED:
#raise RuntimeError('the CommandThread of this task needs to be in CMD_STATE_STARTED-state to start child tasks!')
return False
if log.m(log.LEVEL_START_STOP_THREADS): log.l('<'+str(self.getThreadID())+'> starting ' + self.type)
return True
def __init__(self, trigger):
self.trigger = trigger
self.name = trigger['name']
self.condition = datatypes.TriggerCondition(trigger['condition'])
self.onAction = trigger['action']
self.repeat = int(trigger['repeat']) if trigger.has_key('repeat') else 0
if log.m(log.LEVEL_FILTERS): log.l('trigger initialized: ' + self.name)
def onChangeColor(self, newColor):
if self.finishTrigger.isFalse():
self.finish()
filteredColor = utils.interpolateColor(newColor, self.black, self.finishTrigger.progress())
if log.m(log.LEVEL_FILTER_ACTIONS): log.l(self.type+'-filter color ('+str(self.finishTrigger.progress()*100)+'%) from '+str(newColor)+' to '+str(filteredColor))
self.finishTrigger.step()
return filteredColor
def __init__(self, threadID, name):
threading.Thread.__init__(self)
self.threadID = threadID
self.name = name
self.daemon = True
self.active = True
self.triggers = {}
self.mutex = threading.BoundedSemaphore()
if log.m(log.LEVEL_TRIGGER): log.l('trigger manager initialized')
def start(self):
if super(Loop, self).start():
self.condition = datatypes.Condition(self.command['condition'])
if log.m(log.LEVEL_COMMAND_DETAIL): log.l('<'+str(self.getThreadID())+'> starting loop with condition: ' + str(self.condition))
while self.isStarted():
for t in self.tasks:
t.start()
self.condition.step()
self.stop()
def finish(self):
if self.onfinish == constants.FILTER_ONFINISH_REMOVE:
server.CurrentFilters.remove(self)
if self.onfinish == constants.FILTER_ONFINISH_STOP:
if server.CurrentCMD is not None:
server.CurrentCMD.stop()
server.CurrentCMD = None
server.CurrentFilters = []
if log.m(log.LEVEL_FILTER_ACTIONS): log.l(self.type+'-filter finished...')
def __init__(self, type, request): # takes a command as json encoded object
"""
initializes a new Request object
@param type: type of the request (see protocol)
@param request: JSON object with the request
@return: instance of Request
"""
self.request = request
self.type = type
if log.m(log.LEVEL_REQUESTS): log.l('request received: ' + self.request)
def start(self):
if super(Fade, self).start():
if self.command.has_key('start'):
self.startColor = datatypes.Color(self.command['start'])
self.endColor = datatypes.Color(self.command['end'])
self.time = datatypes.Time(self.command['time'])
if log.m(log.LEVEL_COMMAND_DETAIL): log.l('<'+str(self.getThreadID())+'> fading from '+str(self.startColor if self.startColor is not None else 'current color')+' to '+str(self.endColor)+' over ' + str(self.time) + ' seconds')
corefunctions.fade(self, self.time.seconds, self.endColor, self.startColor)
self.stop()
def addTrigger(self, trigger):
exception = None
self.mutex.acquire()
try:
self.triggers[trigger.name] = trigger
if log.m(log.LEVEL_TRIGGER): log.l('trigger added with key=' + trigger.name)
except:
exception = StandardError(str(sys.exc_info()[0]) + ': '+str(sys.exc_info()[1]))
self.mutex.release()
if exception is not None:
raise exception
def removeTrigger(self, name):
exception = None
self.mutex.acquire()
try:
self.triggers.pop(name)
if log.m(log.LEVEL_TRIGGER): log.l('trigger removed with key=' + name)
except:
exception = StandardError(str(sys.exc_info()[0]) + ': '+str(sys.exc_info()[1]))
self.mutex.release()
if exception is not None:
raise exception
def start(self):
if super(CC, self).start():
self.color = datatypes.Color(self.command['color'])
if self.command.has_key('operator'):
self.operator = self.command['operator']
if log.m(log.LEVEL_COMMAND_CC): log.l('<'+str(self.getThreadID())+'> color=' + str(led.COLOR[0]) + ' ' + self.operator + ' ' + str(self.color))
for i in range(0, len(config.LED_PINS)):
if ((i + 1) & self.color.Address) != 0:
newColor = led.COLOR[i]
if self.operator == '*':
newColor = newColor * self.color
if self.operator == '/':
newColor = newColor / self.color
if self.operator == '+':
newColor = newColor + self.color
if self.operator == '-':
newColor = newColor - self.color
led.setColor(newColor)
else:
if log.m(log.LEVEL_COMMAND_CC): log.l('<'+str(self.getThreadID())+'> color=' + str(self.color))
led.setColor(self.color)
self.stop()
def __init__(self, type, filter): # takes a filter type and a filter as json encoded object
"""
initializes a new Request object
@param type: type of the request (see protocol)
@param request: JSON object with the request
@return: instance of Request
"""
self.active = True #TODO: not used yet
self.filter = filter
self.onfinish = filter['onfinish'] if filter.has_key('onfinish') else 'remove'
self.type = type
self.finishTrigger = self.finishTrigger = datatypes.Condition(filter['finish']) if filter.has_key('finish') else None
if log.m(log.LEVEL_FILTERS): log.l('filter initialized: ' + self.type)
def execute(self):
super(RemoveRequest, self).execute()
count = 0
if self.item == 'filter':
i = 0
while i < len(server.CurrentFilters):
if server.CurrentFilters[i].type == self.id:
filter = server.CurrentFilters.pop(i)
if log.m(log.LEVEL_FILTERS): log.l('removing ' + filter.type+' filter')
count = count + 1
else:
i += 1
if self.item == 'trigger':
try:
server.triggerManager.removeTrigger(self.id)
count = 1
except:
count = 0
answer = {"type":self.type, "item":self.item, "id":self.id, "count":count}
return answer
def readcommands(threadName, intervall):
#print the config parameters
configure.cls()
configure.printConfig()
print '\n... starting server (',intervall,')...\n\n'
#globals
global ID
global serversocket
#create an INET, STREAMing socket
serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
#bind the socket to a public host,
# and a well-known port
success = False
while not success:
try:
log.l('trying to bind on port '+str(config.SERVER_PORT)+'...', log.LEVEL_UI)
serversocket.bind(('', config.SERVER_PORT)) # socket.gethostname() # for getting own address
success = True
log.l('successfully bound server to port '+str(config.SERVER_PORT)+'...', log.LEVEL_UI)
except:
log.l('port is already in use. Trying to reconnect in 5 seconds', log.LEVEL_ERRORS)
time.sleep(5)
#become a server socket
serversocket.listen(5)
while RUN:
try:
(clientsocket, address) = serversocket.accept()
global CurrentCMD
global CurrentFilters
global CommandHistory
global CommandCount
rcvString = ''
clientsocket.setblocking(1) # recv() waits til data comes or timeout is reached
clientsocket.settimeout(config.CONNECTION_TIMEOUT) # timeout for receiving and sending
kilobyte = str(clientsocket.recv(1024))
try:
while(kilobyte):
rcvString += kilobyte
try:
json.loads(rcvString)
kilobyte = None
except:
kilobyte = str(clientsocket.recv(1024))
except:
pass
#flag which is true if the received command comes from a http request
isHTTPRequest = False
mutex.acquire()
try:
answer = {}
answer['error'] = []
if rcvString.startswith('GET') or rcvString.startswith('OPTIONS') or rcvString.startswith('POST') or rcvString.startswith('PUT'):
isHTTPRequest = True
indexOfLineBreak = rcvString.find('\n\n')
if indexOfLineBreak < 0:
indexOfLineBreak = rcvString.find('\r\n\r\n')
rcvString = rcvString[indexOfLineBreak:]
rcvString = urllib.unquote(rcvString)
if log.m(log.LEVEL_SOCKET_COMMUNICATION): log.l('RECEIVED HTTP ('+str(rcvString)+'): '+rcvString+'\n\n')
startIndex = rcvString.find('{')
endIndex = rcvString.rfind('}')
if startIndex >= 0 and endIndex >= 0:
rcvString = rcvString[rcvString.find('{'):rcvString.rfind('}')+1]
if log.m(log.LEVEL_SOCKET_COMMUNICATION): log.l('RECEIVED Command ('+str(len(rcvString))+'): '+rcvString+'\n\n')
else:
if log.m(log.LEVEL_SOCKET_COMMUNICATION): log.l('no valid command found in ('+str(len(rcvString))+'): '+rcvString+'\n\n')
else:
isHTTPRequest = False
if log.m(log.LEVEL_SOCKET_COMMUNICATION): log.l('RECEIVED Command ('+str(len(rcvString))+'): '+rcvString+'\n\n')
r = json.loads(rcvString)
CommandCount += 1
CommandHistory.append(r)
#limit command history to the last 10 commands (client request messages)
if len(CommandHistory) > 10:
CommandHistory = CommandHistory[len(CommandHistory)-10:len(CommandHistory)]
# execute commands
if isinstance(r, dict) and r.has_key('commands') and len(r['commands']) > 0:
try:
if log.m(log.LEVEL_COMMANDS): log.l( 'commands: '+ str(len(r['commands'])))
if CurrentCMD is not None:
CurrentCMD.stop()
CurrentCMD.join()
CurrentCMD = None
ID = ID + 1
CurrentCMD = CommandThread(ID, 'command thread', r)
CurrentFilters = []
answer['commands'] = 1
except:
answer['error'].append('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]))
answer['commands'] = 0
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
#add new filters if a command is running
if isinstance(r, dict) and r.has_key('filters') and len(r['filters']) > 0 and CurrentCMD is not None and CurrentCMD.state != constants.CMD_STATE_STOPPED:
try:
for f in r['filters']:
CurrentFilters.append(filters.Filter.createFilter(f))
answer['filters'] = 1
except:
answer['error'].append('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]))
answer['filters'] = 0
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
#answer request
if isinstance(r, dict) and r.has_key('request'):
try:
req = requests.Request.createRequest(r['request'])
answer['request'] = req.execute()
except:
answer['error'].append('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]))
answer['request'] = None
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
#add new triggers
if isinstance(r, dict) and r.has_key('triggers') and len(r['triggers']) > 0:
try:
for t in r['triggers']:
triggerManager.addTrigger(trigger.Trigger(t))
answer['triggers'] = 1
except:
answer['error'].append('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]))
answer['triggers'] = 0
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
#starting a new command if a new arrived and could be correctly decoded
if answer.has_key('commands') and answer['commands'] == 1:
CurrentCMD.start()
if log.m(log.LEVEL_SOCKET_COMMUNICATION):
log.l('---ANSWER---')
log.l(str(answer))
except:
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
answer['error'].append(str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]))
#clientsocket.send(json.dumps(answer, separators=(',',':')))
mutex.release()
if isHTTPRequest:
answerString = json.dumps(answer, separators=(',',':'))
httpResponse = 'HTTP/1.1 200 OK\n'
httpResponse = httpResponse + 'Content-Type: application/json;charset=utf-8\n'
httpResponse = httpResponse + 'Access-Control-Allow-Origin: *\n'
httpResponse = httpResponse + 'Content-Length: '+str(len(answerString))+'\n\n'
httpResponse = httpResponse + answerString
clientsocket.send(httpResponse)
log.l('answer sent (http response)', log.LEVEL_SOCKET_COMMUNICATION)
else:
clientsocket.send(json.dumps(answer, separators=(',',':')))
log.l('answer sent (normal socket)', log.LEVEL_SOCKET_COMMUNICATION)
clientsocket.close()
except:
log.l('ERROR: ' + str(sys.exc_info()[0])+ ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
def stop(self):
if log.m(log.LEVEL_START_STOP_THREADS): log.l('<'+str(self.threadID)+'> stopping ' + self.name)
self.state = constants.CMD_STATE_STOPPED
self.task.stop()
def stop(self):
if log.m(log.LEVEL_COMMAND_DETAIL): log.l('<'+str(self.getThreadID())+'> stopping loop with condition: ' + str(self.condition))
for t in self.tasks:
if t.state != constants.CMD_STATE_STOPPED:
t.stop()
super(Loop, self).stop()
def applyCommand(r):
"""
This method can be used from other scripts like triggers.py to apply commands to the server
:param r: json object with command
:return: None
"""
global ID
global serversocket
global CurrentCMD
global CurrentFilters
global CommandHistory
global CommandCount
answer = {}
mutex.acquire()
try:
answer['error'] = []
CommandCount += 1
CommandHistory.append(r)
#limit command history to the last 10 commands (client request messages)
if len(CommandHistory) > 10:
CommandHistory = CommandHistory[len(CommandHistory)-10:len(CommandHistory)]
contains_cmd = False
# execute commands
if isinstance(r, dict) and r.has_key('commands') and len(r['commands']) > 0:
try:
if log.m(log.LEVEL_COMMANDS): log.l( 'commands: '+ str(len(r['commands'])))
if CurrentCMD is not None:
CurrentCMD.stop()
CurrentCMD.join()
CurrentCMD = None
ID = ID + 1
CurrentCMD = CommandThread(ID, 'command thread', r)
CurrentFilters = []
contains_cmd = True
except:
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
#add new filters if a command is running
if isinstance(r, dict) and r.has_key('filters') and len(r['filters']) > 0 and CurrentCMD is not None and CurrentCMD.state != constants.CMD_STATE_STOPPED:
try:
for f in r['filters']:
CurrentFilters.append(filters.Filter.createFilter(f))
except:
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
#answer request
if isinstance(r, dict) and r.has_key('request'):
try:
req = requests.Request.createRequest(r['request'])
req.execute()
except:
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
#add new triggers
if isinstance(r, dict) and r.has_key('triggers') and len(r['triggers']) > 0:
try:
for t in r['triggers']:
triggerManager.addTrigger(trigger.Trigger(t))
except:
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
#starting a new command if a new arrived and could be correctly decoded
if contains_cmd:
CurrentCMD.start()
except:
log.l('ERROR: ' + str(sys.exc_info()[0]) + ": "+ str(sys.exc_info()[1]), log.LEVEL_ERRORS)
mutex.release()
return answer
def start(self):
if super(NOP, self).start():
if log.m(log.LEVEL_COMMAND_DETAIL): log.l('<'+str(self.getThreadID())+'> doing nothing')
self.stop()
def __init__(self, command, thread=None): # takes a command as json encoded object
self.command = command
self.thread = thread
self.threadID = -1
self.state = constants.CMD_STATE_INIT
if log.m(log.LEVEL_INIT_COMMAND): log.l('<'+str(self.getThreadID())+'> initialized: ' + self.type)
def stop(self):
self.state = constants.CMD_STATE_STOPPED
if log.m(log.LEVEL_START_STOP_THREADS): log.l('<'+str(self.getThreadID())+'> stopping ' + self.type)
def start(self):
if super(Wait, self).start():
self.time = datatypes.Time(self.command['time'])
if log.m(log.LEVEL_COMMAND_DETAIL): log.l('<'+str(self.getThreadID())+'> waiting for ' + str(self.time) + ' seconds')
corefunctions.wait(self, self.time.seconds)
self.stop()
