def __init__(self):
self.__xml = XML_Object ()
# self.__JOB_SCHED_IP = self.__xml.get_job_scheduler_ip ()
# self.__JOB_SCHED_PORT = self.__xml.get_job_scheduler_port ()
# self.__JOB_SCHED_RECV_ADDR = (self.__JOB_SCHED_IP, self.__JOB_SCHED_PORT)
#-------------------------------------------------------------------------#
#----------------------------- SCHEDULER INIT ----------------------------#
#-------------------------------------------------------------------------#
self.__sched = BackgroundScheduler()
self.__sched.start() # start the scheduler
log.print_high ('Scheduler started')
#-------------------------------------------------------------------------#
#----------------------------- INSTAPUSH INIT ----------------------------#
#-------------------------------------------------------------------------#
self.__INSTAPUSH_NOTIF_IP = self.__xml.get_instapush_notif_ip ()
self.__INSTAPUSH_NOTIF_PORT = self.__xml.get_instapush_notif_port ()
self.__INSTAPUSH_NOTIF_ADDR = (self.__INSTAPUSH_NOTIF_IP, self.__INSTAPUSH_NOTIF_PORT)
self.__udp_send_sock = socket(AF_INET, SOCK_DGRAM)
self.__min_gap_between_two_instapush_notif = self.__xml.min_gap_between_two_instapush_notif ()
# Record the timestamp when the last instapush notification was sent
self.__last_instapush_notif_sent_at = datetime.datetime.now ()
self.__is_stream_job_running = False
self.__outside_PIR_interrupt_count = 0
self.__instapush_notif_timeout_job = self.__sched.add_job(self.send_instapush_notif, 'interval', seconds = 5, args=['Dummy message'])
self.__instapush_notif_timeout_job.remove ()
#-------------------------------------------------------------------------#
#--------------------------- PITFT SCREEN INIT ---------------------------#
#-------------------------------------------------------------------------#
# Create TFT display object
self.__pitft = PiTFT_Screen ()
log.print_high ('Created TFT display object')
# Start Framebuffer copy daemon
self.__pitft.start_fbcp_process()
self.__cam = Cam_Object ()
log.print_high ('Created camera object')
# Create a dummy job and cancel it
self.__stream_job = self.__sched.add_job(self.stop_streaming_cb, 'interval', seconds = 5)
self.__stream_job.remove ()
log.print_high ('Scheduler init done')
#-------------------------------------------------------------------------#
#---------------------------- INTERRUPTS INIT ----------------------------#
#-------------------------------------------------------------------------#
self.__last_inside_pir_interrupt_triggered_at = datetime.datetime.now ()
self.__last_outside_pir_interrupt_triggered_at = datetime.datetime.now ()
self.__last_door_switch_interrupt_triggered_at = datetime.datetime.now ()
class Sched_Obj:
#=========================================================================#
#-------------------------------- INIT -----------------------------------#
#=========================================================================#
def __init__(self):
self.__xml = XML_Object ()
# self.__JOB_SCHED_IP = self.__xml.get_job_scheduler_ip ()
# self.__JOB_SCHED_PORT = self.__xml.get_job_scheduler_port ()
# self.__JOB_SCHED_RECV_ADDR = (self.__JOB_SCHED_IP, self.__JOB_SCHED_PORT)
#-------------------------------------------------------------------------#
#----------------------------- SCHEDULER INIT ----------------------------#
#-------------------------------------------------------------------------#
self.__sched = BackgroundScheduler()
self.__sched.start() # start the scheduler
log.print_high ('Scheduler started')
#-------------------------------------------------------------------------#
#----------------------------- INSTAPUSH INIT ----------------------------#
#-------------------------------------------------------------------------#
self.__INSTAPUSH_NOTIF_IP = self.__xml.get_instapush_notif_ip ()
self.__INSTAPUSH_NOTIF_PORT = self.__xml.get_instapush_notif_port ()
self.__INSTAPUSH_NOTIF_ADDR = (self.__INSTAPUSH_NOTIF_IP, self.__INSTAPUSH_NOTIF_PORT)
self.__udp_send_sock = socket(AF_INET, SOCK_DGRAM)
self.__min_gap_between_two_instapush_notif = self.__xml.min_gap_between_two_instapush_notif ()
# Record the timestamp when the last instapush notification was sent
self.__last_instapush_notif_sent_at = datetime.datetime.now ()
self.__is_stream_job_running = False
self.__outside_PIR_interrupt_count = 0
self.__instapush_notif_timeout_job = self.__sched.add_job(self.send_instapush_notif, 'interval', seconds = 5, args=['Dummy message'])
self.__instapush_notif_timeout_job.remove ()
#-------------------------------------------------------------------------#
#--------------------------- PITFT SCREEN INIT ---------------------------#
#-------------------------------------------------------------------------#
# Create TFT display object
self.__pitft = PiTFT_Screen ()
log.print_high ('Created TFT display object')
# Start Framebuffer copy daemon
self.__pitft.start_fbcp_process()
self.__cam = Cam_Object ()
log.print_high ('Created camera object')
# Create a dummy job and cancel it
self.__stream_job = self.__sched.add_job(self.stop_streaming_cb, 'interval', seconds = 5)
self.__stream_job.remove ()
log.print_high ('Scheduler init done')
#-------------------------------------------------------------------------#
#---------------------------- INTERRUPTS INIT ----------------------------#
#-------------------------------------------------------------------------#
self.__last_inside_pir_interrupt_triggered_at = datetime.datetime.now ()
self.__last_outside_pir_interrupt_triggered_at = datetime.datetime.now ()
self.__last_door_switch_interrupt_triggered_at = datetime.datetime.now ()
#=========================================================================#
#------------------------------ INIT END ---------------------------------#
#=========================================================================#
#-------------------------------------------------------------------------#
#-------------------- INTERRUPT TRIGGERED FUNCTIONS ---------------------#
#-------------------------------------------------------------------------#
def update_inside_pir_interrupt_timestamp (self):
self.__last_inside_pir_interrupt_triggered_at = datetime.datetime.now ()
def how_long_ago_was_last_inside_pir_interrupt_triggered (self):
return get_elapsed_seconds_since (self.__last_inside_pir_interrupt_triggered_at)
#-------------------------------------------------------------------------#
def update_outside_pir_interrupt_timestamp (self):
self.__last_outside_pir_interrupt_triggered_at = datetime.datetime.now ()
def how_long_ago_was_last_inside_pir_interrupt_triggered (self):
return get_elapsed_seconds_since (self.__last_outside_pir_interrupt_triggered_at)
#-------------------------------------------------------------------------#
def update_door_switch_interrupt_timestamp (self):
self.__last_door_switch_interrupt_triggered_at = datetime.datetime.now ()
def how_long_ago_was_last_inside_pir_interrupt_triggered (self):
return get_elapsed_seconds_since (self.__last_door_switch_interrupt_triggered_at)
#-------------------------------------------------------------------------#
#---------------------- INSTAPUSH NOTIFICATION HANDLER -------------------#
#-------------------------------------------------------------------------#
def how_long_ago_was_last_instapush_notif_sent (self):
return get_elapsed_seconds_since (self.__last_instapush_notif_sent_at)
#-------------------------------------------------------------------------#
# Send an instapush notification if we get more than
# 2 interrupts (reconfigurable) during the timout (also reconfigurable)
# To avoid flooding notifications, allow a minimum gap between two
# notifications. Currently set to 5 minutes (reconfigurable)
def send_instapush_notif (self, notif_message):
# Remove the interval job
self.__instapush_notif_timeout_job.remove ()
log.print_high ('send_instapush_notif triggered')
# Check the interrupt count during the timeout. If greater than the
# threshold, send a notification.
# Also check when the last notification was sent.
if ( (self.__outside_PIR_interrupt_count > self.__xml.get_instapush_notif_interrupt_count()) and
(self.how_long_ago_was_last_instapush_notif_sent () > self.__min_gap_between_two_instapush_notif) ):
log.print_high ('Will send a notif now')
self.__udp_send_sock.sendto (notif_message, self.__INSTAPUSH_NOTIF_ADDR)
self.__last_instapush_notif_sent_at = datetime.datetime.now ()
else:
log.print_high ('No notif. Last notif sent ' + str (self.how_long_ago_was_last_instapush_notif_sent ())
+ 's ago. Interrupt count = ' + str (self.__outside_PIR_interrupt_count))
# Reset the counter for the current cycle
self.__outside_PIR_interrupt_count = 0
return
#-------------------------------------------------------------------------#
# Count the number of interrupts in 20 seconds (reconfigurable) to ensure a
# person is standing outside the door
def schedule_instapush_notif_timeout (self, instapush_notif_timeout = 20):
instapush_notif_timeout = self.__xml.get_instapush_notif_timeout ()
self.__instapush_notif_timeout_job = self.__sched.add_job(self.send_instapush_notif, 'interval',
seconds=instapush_notif_timeout, args=['Someone at the door'])
log.print_high ('Scheduled instapush_notif_timeout for ' + str (instapush_notif_timeout) + 's')
return
#-------------------------------------------------------------------------#
def check_if_door_opened_from_outside_and_send_notif (self):
# Check if someone was recently inside the house, behind the door
if (self.how_long_ago_was_last_inside_pir_interrupt_triggered () > xml.inside_home_presence_timeout()):
# If no one was inside the house and door was opened, send a notification
self.send_instapush_notif ('Door opened')
#-------------------------------------------------------------------------#
# Increment interrupt count and start a timer
def increment_outside_PIR_interrupt_count (self):
if (self.__outside_PIR_interrupt_count == 0):
self.schedule_instapush_notif_timeout ()
self.__outside_PIR_interrupt_count = self.__outside_PIR_interrupt_count + 1
log.print_high ('# of interrupts = ' + str (self.__outside_PIR_interrupt_count))
return
#-------------------------------------------------------------------------#
#------------------------------ STREAM HANDLER ---------------------------#
#-------------------------------------------------------------------------#
# Implemented as a callback function
def start_streaming_cb (self):
if (not self.__is_stream_job_running):
log.print_high ('Starting camera...')
if (self.__cam.start_camera ('320x240', '5', 'night')):
self.__pitft.Backlight (True)
log.print_high ('scheduler: Starting stream_video_to_display...')
self.__pitft.stream_video_to_display ()
else:
log.print_high ('scheduler: Camera already on')
self.__is_stream_job_running = True
return
#-------------------------------------------------------------------------#
# Turns off camera streaming.
# Turns off local display
def stop_streaming_cb (self):
# First cancel the interval job
self.__stream_job.remove ()
log.print_high ('Stopping stream...')
self.__pitft.stop_stream_video_to_display ()
log.print_high ('Stream stoppped. Turning backlight off...')
self.__pitft.Backlight (False)
log.print_high ('Backlight off. Stopping camera...')
if (self.__cam.stop_camera ()):
log.print_high ('scheduler: Camera off')
self.__is_stream_job_running = False
else:
log.print_high ('scheduler: Could not turn off camera')
log.print_high ('exiting inside_pir_triggered_callback')
return
#-------------------------------------------------------------------------#
# Default schedule delay is 0 minutes
def schedule_start_streaming (self, delay = 0):
if (delay == 0):
self.start_streaming_cb ()
return
#-------------------------------------------------------------------------#
# Default schedule delay is 4 minutes
def schedule_stop_streaming (self, seconds_delay = 240):
# Blindly cancel the job before scheduling it
self.__stream_job.remove ()
self.__stream_job = self.__sched.add_job(self.stop_streaming_cb, 'interval', seconds = seconds_delay)
#self.__stream_job = self.__sched.add_date_job(self.stop_streaming_cb, datetime.datetime.today () + datetime.timedelta (seconds = seconds_delay))
log.print_high ('Will turn off stream after ' + str (seconds_delay) + 's from now')
return