def __init__(self, input_queue, output_queue):
multiprocessing.Process.__init__(self)
self.input_queue = input_queue
self.output_queue = output_queue
self.configuration = {}
self.sensorDevices = []
self.relay = Relay()
# List of "raw" jobData, as constructed by client "Jobs" page
self.jobs = []
# List of JobProcessor instances
self.runningJobs = []
self.stoppedJobs = []
class GPIOProcess(multiprocessing.Process):
def __init__(self, input_queue, output_queue):
multiprocessing.Process.__init__(self)
self.input_queue = input_queue
self.output_queue = output_queue
self.configuration = {}
self.sensorDevices = []
self.relay = Relay()
# List of "raw" jobData, as constructed by client "Jobs" page
self.jobs = []
# List of JobProcessor instances
self.runningJobs = []
self.stoppedJobs = []
def run(self):
if _TESTING_:
print "_TESTING_ is True"
# Setup
# First create user directory for brewable data
# then move data from old location into it
try:
os.makedirs(BREWABLE_BASE_DIR)
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(BREWABLE_BASE_DIR):
pass
else:
raise
oldbase = os.path.join(_home, 'src', 'brewable')
try:
os.rename(os.path.join(oldbase, JOB_HISTORY_DIR), os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR))
os.rename(os.path.join(oldbase, JOB_ARCHIVE_DIR), os.path.join(BREWABLE_BASE_DIR, JOB_ARCHIVE_DIR))
except Exception as e:
print "Moving stuff 1: ", e
try:
os.rename(os.path.join(oldbase, PROFILE_DATA_FILE), os.path.join(BREWABLE_BASE_DIR, PROFILE_DATA_FILE))
os.rename(os.path.join(oldbase, JOB_TEMPLATES_FILE), os.path.join(BREWABLE_BASE_DIR, JOB_TEMPLATES_FILE))
except Exception as e:
print "Moving stuff 2: ", e
# Next, read user config or generate default configuration
try:
os.makedirs(USER_CONFIG_DIR)
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(USER_CONFIG_DIR):
pass
else:
raise
# Load saved configuration
try:
with open(USER_CONFIG_FILE) as json_file:
json_data = json.load(json_file)
print "CONFIGURATION DATA: ", json_data
#for k,v in json_data.iteritems():
# self.configuration[k] = v
for k in json_data.keys():
self.configuration[k] = json_data[k]
except Exception as e:
print e
print "Generating new configuration from defaults"
# Can't open user config file - either corrupted or doesn't exist,
# so generate a default config and save that.
self.configuration['sensorFudgeFactor'] = float(0.0);
self.configuration['multiSensorMeanWeight'] = int(50);
self.configuration['relayDelayPostON'] = int(180);
self.configuration['relayDelayPostOFF'] = int(480);
#print "CONFIGURATION: ", self.configuration
with open(USER_CONFIG_FILE, 'w') as json_file:
json.dump(self.configuration, json_file)
for k in self.configuration.keys():
print "config item: ", k, self.configuration[k]
# Look for sensor devices
try:
sensor_file = open(SensorDevice.deviceDirectory())
sensors = sensor_file.read()
sensor_file.close
for sensorId in sensors.split():
self.sensorDevices.append(SensorDevice(sensorId, self.configuration['sensorFudgeFactor']))
#for sensor in self.sensorDevices:
# print "SENSOR", sensor.getId()
except:
print "No sensors connected?"
# Load running jobs
# Look through all files in the history directory.
# If any is "current" (still running),
# then add it to self.runningJobs.
# First ensure the directory exists
try:
os.makedirs(os.path.join(BREWABLE_BASE_DIR, JOB_RUN_DIR))
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(os.path.join(BREWABLE_BASE_DIR, JOB_RUN_DIR)):
pass
else:
raise
# JOB_HISTORY_DIR is where saved job history files are kept
try:
os.makedirs(os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR))
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR)):
pass
else:
raise
# Load saved job templates
try:
with open(os.path.join(BREWABLE_BASE_DIR, JOB_TEMPLATES_FILE)) as json_file:
json_data = json.load(json_file)
#print "Job data: ", json_data['job_data']
for job in json_data['job_data']:
self.jobs.append(job)
#print "Job data: ", self.jobs
except Exception as e:
# Can't open job file - either corrupted or doesn't exist
print e
# JOB_ARCHIVE_DIR is where saved job history files are kept
# yet are not to be displayed in the Job History section of the browser
try:
os.makedirs(os.path.join(BREWABLE_BASE_DIR, JOB_ARCHIVE_DIR))
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(os.path.join(BREWABLE_BASE_DIR, JOB_ARCHIVE_DIR)):
pass
else:
raise
# Now check the relays
#self.relay_test()
# Start with all relays off
self.relay.ALLOFF()
# Relay DelaySets look like:
# {'on_time':180, 'off_time':480, 'isset':False}
for id in range(self.relay.device_count()):
self.relay.setDelaySetValue(id+1, 'on_time', self.configuration['relayDelayPostON'])
self.relay.setDelaySetValue(id+1, 'off_time', self.configuration['relayDelayPostOFF'])
# Loop
count = 0
while True:
# Incoming request from app
if not self.input_queue.empty():
data = self.input_queue.get()
# Do something with it
#print "data 0: ", data
#print "data 0 length: ", len(data)
try:
jmsg = json.loads(data.strip())
if jmsg['type'] == 'save_job':
# Update local version, then save to file
#print("gpio found save_job msg")
self.jobs.append(jmsg['data'])
#print("self.jobs: ", self.jobs)
with open(os.path.join(BREWABLE_BASE_DIR, JOB_TEMPLATES_FILE), 'w') as json_file:
json.dump({'job_data':self.jobs}, json_file)
# Return updated jobs list to client
jdata = json.dumps({'type':'loaded_jobs',
'data':self.jobs})
self.output_queue.put(jdata)
elif jmsg['type'] == 'load_jobs':
#print("gpio found load_jobs msg")
jdata = json.dumps({'type':'loaded_jobs',
'data':self.jobs})
self.output_queue.put(jdata)
print("self.jobs: ", self.jobs)
elif jmsg['type'] == 'delete_job':
# First check if index in range?
del self.jobs[jmsg['data']['index']]
# Save result
with open(os.path.join(BREWABLE_BASE_DIR, JOB_TEMPLATES_FILE), 'w') as json_file:
json.dump({'job_data':self.jobs}, json_file)
# Return updated jobs list to client
jdata = json.dumps({'type':'loaded_jobs',
'data':self.jobs})
self.output_queue.put(jdata)
elif jmsg['type'] == 'run_job':
#print("gpio received run_job msg");
# First check that this job isn't already running
isRunning = False
for job in self.runningJobs:
if job.name() == self.jobs[jmsg['data']['index']]['name']:
print "Job %s already running" % job.name()
isRunning = True
if not isRunning:
if not self.setupJobRun(jmsg['data']['index']):
# Need to send msg back to client here!
print "Couldn't start job"
else:
print "Started job ", jmsg['data']['index']
# Do an initial processing of the new job
for job in self.runningJobs:
if job.name() == self.jobs[jmsg['data']['index']]['name']:
job.process()
# Send updated list of running jobs
self.loadRunningJobs(jmsg)
elif jmsg['type'] == 'load_startup_data':
self.loadStartupData(jmsg)
elif jmsg['type'] == 'load_running_jobs':
self.loadRunningJobs(jmsg)
elif jmsg['type'] == 'stop_running_job':
self.stopRunningJob(jmsg)
elif jmsg['type'] == 'remove_running_job':
self.removeRunningJob(jmsg)
elif jmsg['type'] == 'save_running_job':
self.saveRunningJob(jmsg)
elif jmsg['type'] == 'load_saved_jobs':
self.loadSavedJobs(jmsg)
elif jmsg['type'] == 'load_saved_job_data':
self.loadSavedJobData(jmsg)
elif jmsg['type'] == 'archive_saved_job':
self.archiveSavedJob(jmsg)
elif jmsg['type'] == 'delete_saved_job':
self.deleteSavedJob(jmsg)
elif jmsg['type'] == 'save_profiles':
with open(os.path.join(BREWABLE_BASE_DIR, PROFILE_DATA_FILE), 'w') as json_file:
json.dump({'profiles_data':jmsg['data']}, json_file)
elif jmsg['type'] == 'load_profiles':
self.loadProfiles(jmsg)
elif jmsg['type'] == 'list_sensors':
sensor_ids = []
for sensor in self.sensorDevices:
sensor_ids.append(sensor.getId())
jdata = json.dumps({'type':'sensor_list',
'data':sensor_ids})
self.output_queue.put(jdata)
elif jmsg['type'] == 'list_relays':
relay_ids = []
for i in range(self.relay.device_count()):
relay_ids.append('Relay {:02}'.format(i+1))
jdata = json.dumps({'type':'relay_list',
'data':relay_ids})
self.output_queue.put(jdata)
elif jmsg['type'] == 'config_change':
self.configChange(jmsg);
elif jmsg['type'] == 'CMD':
# With a CMD type, the data field is an array whose
# first element is the command,
# the remaining elements are the command's args
command = jmsg['data']
print "running command: ", command
self.run_command(command)
except:
print "Non json msg: ", data
# Data/info from sensor device
data = "generic %d" % count
# Send update of sensors & relay state
self.liveUpdate()
# Send a heartbeat (in absence of any sensors)
if len(self.sensorDevices) == 0:
jdata = json.dumps({'type':'heartbeat','data':count});
self.output_queue.put(jdata)
# Check/process any running jobs
if _TESTING_:
for job in self.runningJobs:
job.process()
else:
if count % 20 == 0:
for job in self.runningJobs:
job.process()
count += 1
#time.sleep(1)
def deleteSavedJob(self, jmsg):
print "deleteSavedJob() ", jmsg['data']['jobName'], jmsg['data']['instance']
historyFileName = jmsg['data']['jobName'] + '-' + jmsg['data']['instance'] + '.txt'
historyFilePath = os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR, historyFileName)
#print "Trying to remove ", historyFilePath
try:
os.remove(historyFilePath)
jdata = json.dumps({'type':'removed_saved_job',
'data':{'jobName':jmsg['data']['jobName'],'instance':jmsg['data']['instance']}})
self.output_queue.put(jdata)
except Exception as e:
print "archiveSavedJob() ERROR: ", e
def archiveSavedJob(self, jmsg):
print "archiveSavedJob() ", jmsg['data']['jobName'], jmsg['data']['instance']
historyFileName = jmsg['data']['jobName'] + '-' + jmsg['data']['instance'] + '.txt'
from_path = os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR, historyFileName)
to_path = os.path.join(BREWABLE_BASE_DIR, JOB_ARCHIVE_DIR, historyFileName)
#print "Trying to move ", from_path, to_path
try:
os.rename(from_path, to_path)
jdata = json.dumps({'type':'archived_job',
'data':{'jobName':jmsg['data']['jobName'],'instance':jmsg['data']['instance']}})
self.output_queue.put(jdata)
except Exception as e:
print "archiveSavedJob() ERROR: ", e
def configChange(self, jmsg):
print "configChange() ", jmsg['data'], jmsg['data'].keys()
for k in jmsg['data'].keys():
try:
print "Processing config change for: ", k,jmsg['data'][k]
if k == 'multiSensorMeanWeight':
print "Changing config item %s to %d" % (k,int(jmsg['data'][k]))
self.configuration['multiSensorMeanWeight'] = int(jmsg['data'][k])
print "Changed multiSensorMeanWeight configuration to: ", self.configuration['multiSensorMeanWeight']
elif k == 'sensorFudgeFactor':
print "Changing config item %s to %f" % (k,float(jmsg['data'][k]))
for sensor in self.sensorDevices:
sensor.set_fudge(float(jmsg['data'][k]))
self.configuration['sensorFudgeFactor'] = self.sensorDevices[0].get_fudge()
print "Changed fudge configuration to: ", self.configuration['sensorFudgeFactor']
elif k == 'relayDelayPostON':
# {'on_time':180, 'off_time':480, 'isset':False}
print "Changing config item %s to %d" % (k,int(jmsg['data'][k]))
for id in range(self.relay.device_count()):
self.relay.setDelaySetValue(id+1, 'on_time', int(jmsg['data'][k]))
self.configuration['relayDelayPostON'] = self.relay.getDelaySetValue(1, 'on_time')
print "Changed relay on_time configuration to: ", self.configuration['relayDelayPostON']
elif k == 'relayDelayPostOFF':
print "Changing config item %s to %d" % (k,int(jmsg['data'][k]))
for id in range(self.relay.device_count()):
self.relay.setDelaySetValue(id+1, 'off_time', int(jmsg['data'][k]))
self.configuration['relayDelayPostOFF'] = self.relay.getDelaySetValue(1, 'off_time')
print "Changed relay off_time configuration to: ", self.configuration['relayDelayPostOFF']
else:
print "Unknown configuration item: ", k
with open(USER_CONFIG_FILE, 'w') as json_file:
json.dump(self.configuration, json_file)
except Exception as e:
print "Unable to process configChange for item:", k
print e
def loadStartupData(self, jmsg):
jdata = json.dumps({'type':'startup_data',
'data':{'testing':_TESTING_,
'config':self.configuration,
'the_end':'orange' }})
self.output_queue.put(jdata)
self.loadRunningJobs(jmsg)
self.loadSavedJobs(jmsg)
self.loadProfiles(jmsg)
def loadProfiles(self, jmsg):
try:
with open(os.path.join(BREWABLE_BASE_DIR, PROFILE_DATA_FILE)) as json_file:
json_data = json.load(json_file)
#print(json_data['profiles_data'])
jdata = json.dumps({'type':'loaded_profiles',
'data':json_data['profiles_data']})
except:
print "Couldn't load profile data file"
jdata = json.dumps({'type':'loaded_profiles', 'data':[]})
finally:
self.output_queue.put(jdata)
def loadRunningJobs(self, jmsg):
if jmsg['type'] == 'load_running_jobs':
print "Send running_jobs list after request to LOAD_RUNNING_JOBS"
elif jmsg['type'] == 'run_job':
print "Send running_jobs list after request to RUN_JOBS"
elif jmsg['type'] == 'load_startup_data':
print "Send running_jobs list after request to LOAD_STARTUP_DATA"
else:
print "Send running_jobs list after UNKNOWN request"
# We send "public" job info (since client doesn't
# need stuff like local file name etc.
# Also send collected status reports
# (history without "private" header)
if len(self.runningJobs) > 0:
running_jobs = []
for j in self.runningJobs:
if ['jmsg.type'] == 'run_job':
j.process()
#job_info = j.jobInfo()
#job_info['history'] = j.history[1:]
#print "list running job: ", job_info
job_info = {}
job_info['header'] = j.jobInfo()
job_info['updates'] = j.history[1:]
running_jobs.append(job_info)
print "running_jobs list: ", running_jobs
jdata = json.dumps({'type':'running_jobs',
'data':running_jobs})
self.output_queue.put(jdata)
else:
print "No jobs running"
jdata = json.dumps({'type':'running_jobs',
'data':[]})
self.output_queue.put(jdata)
def loadSavedJobData(self, jmsg):
#print "Rcvd request to LOAD SAVED JOB DATA ", jmsg['data']['fileName'] + '.txt'
fileName = jmsg['data']['fileName'] + '.txt'
#print "fileName: ", fileName
filepath = os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR, fileName)
#print "loading data from file: ", filepath
try:
with open(filepath) as f:
lines = [json.loads(line) for line in f]
print "lines: ", lines
jdata = {'type':'saved_job_data', 'data':{'header':lines[0:1],'updates':lines[1:]}}
except:
print "Couldn't load saved job data"
jdata = json.dumps({'type':'saved_job_data',
'data':[]})
finally:
self.output_queue.put(jdata)
def loadSavedJobs(self, jmsg):
#print "Rcvd request to LOAD SAVED JOBS"
goodhistoryfiles = []
try:
historyfiles = [f for f in os.listdir(os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR)) if os.path.isfile(os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR, f))]
except Exception as e:
print "error loadSavedJobs(); ", e
for file in historyfiles:
try:
lastline = json.loads(deque(open(os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR, file)), 1).pop())
if lastline['running'] == 'saved':
goodhistoryfiles.append(file)
except Exception as e:
print "wrong file format in loadSavedJobs(); ", file, e
print "good history files: ", goodhistoryfiles
jdata = json.dumps({'type':'saved_jobs_list',
'data':{'historyfiles':goodhistoryfiles}})
self.output_queue.put(jdata)
#print "file list sent: ", jdata
def removeRunningJob(self, jmsg):
#print "Rcvd request to REMOVE JOB"
jobName = jmsg['data']['jobName']
longName = jmsg['data']['longName']
self.stopRunningJob(jmsg)
# Whether previously running or not, it should now be in stoppedJobs
job_found = False
for i in range(len(self.stoppedJobs)):
if self.stoppedJobs[i].name() == jobName:
job_found = True
del self.stoppedJobs[i]
#print "Job %s removed from stoppedJobs" % jobName
jdata = json.dumps({'type':'removed_job',
'data':{'jobName':jobName}})
self.output_queue.put(jdata)
break
if not job_found:
# This shouldn't be possible
print "Job to remove NOT FOUND! ", jobName
filename = longName + '.txt'
filepath = os.path.join(BREWABLE_BASE_DIR, JOB_RUN_DIR, filename)
#print "Deleting filepath: ", filepath
if os.path.exists(filepath):
try:
os.remove(filepath)
except OSError as e:
print "OSError", e
else:
print "Can't find file to delete: ", filepath
# LATER - could clear out other files?
# - need to check if still running, stopped etc.
def saveRunningJob(self, jmsg):
print "Rcvd request to SAVE RUNNING JOB", jmsg['data']['jobName']
jobName = jmsg['data']['jobName']
self.stopRunningJob(jmsg, 'save')
# Whether previously running or not, it should now be in stoppedJobs
job_found = False
for i in range(len(self.stoppedJobs)):
print "checking ", self.stoppedJobs[i].name()
if self.stoppedJobs[i].name() == jobName:
job_found = True
self.stoppedJobs[i].stop('saved')
historyFileName = self.stoppedJobs[i].historyFileName
from_path = os.path.join(BREWABLE_BASE_DIR, JOB_RUN_DIR, historyFileName)
to_path = os.path.join(BREWABLE_BASE_DIR, JOB_HISTORY_DIR, historyFileName)
try:
os.rename(from_path, to_path)
jdata = json.dumps({'type':'saved_job',
'data':{'jobName':jobName}})
self.output_queue.put(jdata)
except Exception as e:
print "saveRunningJob() ERROR: ", e
#print "Moved ", from_path, to_path
if not job_found:
jdata = json.dumps({'type':'error_save_running_job',
'data':{'jobName':jobName}})
self.output_queue.put(jdata)
self.loadSavedJobs(json.dumps({'type':'load_saved_jobs','data':[]}))
def stopRunningJob(self, jmsg, stopStatus='stop'):
print "Rcvd request to STOP RUNNING JOB", jmsg['data']['jobName']
job_found = False
for job in self.runningJobs:
print "Trying: ", job.name()
if job.name() == jmsg['data']['jobName']:
job_found = True
print "Job %s running - ready to stop" % job.name()
while job.processing:
# Wait for any current processing to complete
print "spinning ..."
time.sleep(0.05)
job.stop(stopStatus)
break
if not job_found:
# Perhaps the job was already stopped?
for job in self.stoppedJobs:
if job.name() == jmsg['data']['jobName']:
#print "Job %s already stopped" % job.name()
jdata = json.dumps({'type':'stopped_job',
'data':{'jobName':job.name()}})
self.output_queue.put(jdata)
break
def liveUpdate(self):
# Data/info from sensor devices
try:
#sensor_state = list({'sensorId':sensor.getId(),'temperature':st.get_temp(sensor.getId())} for sensor in self.sensorDevices)
sensor_state = list({'sensorId':sensor.getId(),'temperature':sensor.get_temp()} for sensor in self.sensorDevices)
except:
sensor_state = []
#print "sensor_state: ", sensor_state
# Data/info from relay device
try:
relay_state = list((self.relay.isOn(i+1),self.relay.isDelayed(i+1)) for i in range(self.relay.device_count()))
except:
relay_state = []
#print "relay_state: ", relay_state
# Send live_update (= sensor_state + relay_state)
jdata = json.dumps({'type':'live_update',
'sensor_state':sensor_state,
'relay_state':relay_state})
self.output_queue.put(jdata)
#print "live_update jdata: ", jdata
def setupJobRun(self, jobIndex):
try:
self.runningJobs.append(JobProcessor(copy.deepcopy(self.jobs[jobIndex]), self.output_queue, self.runningJobs, self.stoppedJobs, self.relay, self.sensorDevices, self.configuration))
return True
except:
print "JOB CREATE FAIL!"
return False
def relay_test(self):
#print "Relay count = ", self.relay.device_count()
for i in range(self.relay.device_count()):
self.relay.ON(i+1)
time.sleep(1)
for i in range(self.relay.device_count()):
self.relay.OFF(i+1)
time.sleep(1)
self.relay.ALLON()
time.sleep(1)
self.relay.ALLOFF()
def toggle_relay_command(self, channel):
if self.relay.isOn(channel):
#print "relay %d is already on; switching off" % channel
self.relay.OFF(channel)
else:
#print "relay %d is off; switching on" % channel
self.relay.ON(channel)
self.liveUpdate()
#print "STATE: ", self.relay.state()
#if self.relay.isOn(channel):
# data = 'relay ' + str(channel) + ' now ON'
#else:
# data = 'relay ' + str(channel) + ' now OFF'
#jdata = json.dumps({'type':'info',
# 'data':data})
#self.output_queue.put(jdata)
#print "STATE: ", jdata
def run_command(self, command):
if command[0] == 'toggle_relay':
self.toggle_relay_command(command[1])
