def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
"Content-type",
"multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross"
while True:
interval = .1
if self.served_image_timestamp + interval < time.time():
# Can't serve the OpenCV numpy array
# Tornando: "... only accepts bytes, unicode, and dict objects" (from Tornado error Traceback)
img = cv2.imencode('.jpg',
self.application.img_arr)[1].tostring()
# I have no idea what these lines do, but other people seem to use them, they
# came with this copied code and I don't want to break something by removing
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
# Serve the image
self.write(img)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
'Cache-Control',
'no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'
)
self.set_header('Connection', 'close')
self.set_header(
'Content-Type',
'multipart/x-mixed-replace;boundary=--boundarydonotcross')
self.set_header('Expires', 'Mon, 1 Jan 2000 00:00:00 GMT')
self.set_header('Pragma', 'no-cache')
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross\n"
while True:
img = open('/tmp/mjpeg.jpg', 'rb').read()
interval = 0.5
if self.served_image_timestamp + interval > time.time():
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(str(img))
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
"Content-type",
"multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross"
while True:
interval = .1
if self.served_image_timestamp + interval < time.time():
now = datetime.datetime.now().strftime('%H:%M:%S.%f')
# print(now + " Video API get IN served_img_time {} + {} vs {}".format(self.served_image_timestamp,interval,time.time()))
img = util.img.arr_to_binary(self.application.img_arr)
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(img)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header("Content-type", "multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross"
while True:
interval = .1
if self.served_image_timestamp + interval < time.time():
# Can't serve the OpenCV numpy array
# Tornando: "... only accepts bytes, unicode, and dict objects" (from Tornado error Traceback)
img = cv2.imencode('.jpg', self.application.img_arr)[1].tostring()
# I have no idea what these lines do, but other people seem to use them, they
# came with this copied code and I don't want to break something by removing
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
# Serve the image
self.write(img)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout, ioloop.time() + interval)
def get(self, vehicle_id):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
"Content-type",
"multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross"
while True:
interval = .2
if self.served_image_timestamp + interval < time.time():
img = self.application.vehicles[vehicle_id]['img']
img = dk.utils.img_to_binary(img)
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(img)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
"Cache-Control",
"no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0",
)
self.set_header("Connection", "close")
self.set_header(
"Content-Type",
"multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.set_header("Expires", "Mon, 3 Jan 2000 12:34:56 GMT")
self.set_header("Pragma", "no-cache")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross\n"
while True:
img = camera.get_jpeg_image_bytes()
interval = 1.0
if self.served_image_timestamp + interval < time.time():
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(str(img))
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
'Cache-Control',
'no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'
)
self.set_header('Pragma', 'no-cache')
self.set_header('Content-Type',
'multipart/x-mixed-replace;boundary=--jpgboundary')
self.set_header('Connection', 'close')
self.served_image_timestamp = time.time()
my_boundary = "--jpgboundary"
while True:
# Generating images for mjpeg stream and wraps them into http resp
if self.get_argument('fd') == "true":
img = cam.get_frame(True)
else:
img = cam.get_frame(False)
interval = 0.1
if self.served_image_timestamp + interval < time.time():
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(img)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
"Content-type",
"multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross"
while True:
interval = .1
if self.served_image_timestamp + interval < time.time():
img = util.img.arr_to_binary(self.application.img_arr)
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(img)
self.served_image_timestamp = time.time()
#print("web.py len(img)={}".format(len(img)))
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header("Content-type", "multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross"
while True:
interval = .1
if self.served_image_timestamp + interval < time.time():
try:
img = utils.arr_to_binary(self.application.img_arr)
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(img)
self.served_image_timestamp = time.time()
except tornado.iostream.StreamClosedError as e:
print('StreamClosedError:', e)
break
except tornado.websocket.WebSocketClosedError as e:
print('WebSocketClosedError:', self)
break
except KeyError as e:
print('KeyError:', e)
break
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout, ioloop.time() + interval)
def clear_lcd_screen(ioloop):
from libs.lcd_display import clear_display
if (myButton.value() == 1):
print myButton.name(), ' value is ', myButton.value()
clear_display(myLcd)
time.sleep(0.5)
# Schedule next
callback_time = 0
ioloop.call_at(ioloop.time() + callback_time, clear_lcd_screen, ioloop)
def main():
http_server = tornado.httpserver.HTTPServer(Tutu())
http_server.listen(options.port)
ioloop = tornado.ioloop.IOLoop.instance()
if not TEST:
ioloop.add_timeout(ioloop.time(), registry_marathon_event_handler)
ioloop.start()
def clear_lcd_screen(ioloop):
from libs.lcd_display import clear_display
if(myButton.value() == 1):
print myButton.name(), ' value is ', myButton.value()
clear_display(myLcd)
time.sleep(0.5)
# Schedule next
callback_time = 0
ioloop.call_at(ioloop.time() + callback_time,
clear_lcd_screen, ioloop)
def update_projectiles(self):
for projectile in App.Projectiles:
if projectile.is_crossed_boundary():
App.Projectiles.remove(projectile)
self.check_players_for_hit(projectile)
dt = ioloop.time() - projectile.time
projectile.update(dt)
mes = ProjectileMoved(projectile)
self.notify_all_players(mes)
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
"Content-type",
"multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross"
while True:
interval = .1
if self.served_image_timestamp + interval < time.time():
print('.')
# For AWS Seoul Summit
img_orig = self.application.img_arr.copy()
img_orig = cv2.resize(img_orig,
None,
fx=6.0,
fy=6.0,
interpolation=cv2.INTER_LINEAR)
overlay = img_orig.copy()
cv2.rectangle(overlay, (10, 10), (880, 140), (0, 0, 0), -1)
alpha = 0.3
cv2.addWeighted(overlay, alpha, img_orig, 1 - alpha, 0,
img_orig)
cv2.putText(
img_orig, 'Predicted Steering Angle : ' +
str(np.round(car_metric.global_angle, 2)), (20, 50),
cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2,
cv2.LINE_AA)
cv2.putText(
img_orig, 'Predicted Throttle : ' +
str(np.round(car_metric.global_throttle, 2)), (20, 100),
cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2,
cv2.LINE_AA)
cv2.putText(img_orig, '(c) AWS Korea', (700, 700),
cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2,
cv2.LINE_AA)
img = utils.arr_to_binary(img_orig)
#img = utils.arr_to_binary(self.application.img_arr)
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(img)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def _Update(self) :
for deviceName,device in self.application.controller.devices.iteritems() :
self._UpdateDeviceDescription(deviceName, device)
for variableName,variable in device.GetVariables().iteritems() :
self._UpdateVarDescription(deviceName, variableName, variable)
self._UpdateVarValue(deviceName, variableName, device.Get(variableName))
ioloop = tornado.ioloop.IOLoop.instance()
self.timeout = ioloop.add_timeout(ioloop.time() + .25, self._Update)
def test_wraps():
def exit_callback():
client = tornado.httpclient.AsyncHTTPClient()
ret = client.fetch('http://localhost:8000/home/welcome')
nose.tools.assert_is_not_none(ret)
tornado.ioloop.IOLoop.current().stop()
httpserver = tornado.httpserver.HTTPServer(
blueprint.wraps(tornado.web.Application()))
httpserver.listen(8000)
ioloop = tornado.ioloop.IOLoop.current()
ioloop.add_timeout(ioloop.time() + 1, exit_callback)
ioloop.start()
def update_players(self):
for player in WSConnectionHandler.players:
time_elapsed = ioloop.time() - player.time
if player.state == Player.STATE_MOVE:
player.calculate_position(time_elapsed)
player.time = ioloop.time()
mes = PlayerPositionMessage((player.position.x, player.position.y), player.direction)
player.send_message(mes)
pmvd = PlayerMoved(player.uuid, (player.position.x, player.position.y), player.direction)
self.notify_all_players(pmvd)
if player.state == Player.STATE_ATTACK:
# attack last 1 sec
bullet = player.shoot()
App.Projectiles.append(bullet)
if time_elapsed > 0.3:
player.state = Player.STATE_IDLE
mes = StateChangeMessage(player.state)
player.send_message(mes)
if player.state == Player.STATE_HURT:
if time_elapsed > 1000:
player.state = Player.STATE_HURT
def main_loop(ioloop, iot_client):
'''
Main Loop
:param ioloop: Tornado ioloop instance
'''
devices = iot_client.getDevices()
chord_ind = 0
xyz_count = 0
# check shake for 5 sec
for shake_slot in range(0, 15):
myDigitalAccelerometer.getRawValues(x, y, z)
outputStr = ("Raw values: x = {0}"
" y = {1}"
" z = {2}").format(upmMMA7660.intp_value(x),
upmMMA7660.intp_value(y),
upmMMA7660.intp_value(z))
if (abs(upmMMA7660.intp_value(x)) > SHAKE_THRESHOLD) or \
(abs(upmMMA7660.intp_value(y)) > SHAKE_THRESHOLD) or \
(abs(upmMMA7660.intp_value(z)) > SHAKE_THRESHOLD):
print "value exceeded"
print xyz_count
xyz_count = xyz_count + 1
if (xyz_count >= xyz_thresh):
print "increasing thresh"
missing_devices = check_devices(devices)
if len(missing_devices) > 0:
print "Missing devices" + "\n"
print missing_devices
for chord_ind in range(0, 15):
print myBuzzer.playSound(chords[chord_ind], 100000)
print "buzzing"
#time.sleep(0.1)
chord_ind += 1
data = create_message('Alert!', 'Missing item', True,
'10.10.40.3')
enqueue_message(data)
myBuzzer.stopSound()
xyz_count = 0
print outputStr
time.sleep(0.05)
print "loop over"
xyz_count = 0
# Schedule next
callback_time = 0
ioloop.call_at(ioloop.time() + callback_time, main_loop, ioloop,
iot_client)
return
def main_loop(ioloop, iot_client):
'''
Main Loop
:param ioloop: Tornado ioloop instance
'''
devices = iot_client.getDevices()
chord_ind = 0
xyz_count = 0
# check shake for 5 sec
for shake_slot in range (0, 15):
myDigitalAccelerometer.getRawValues(x, y, z)
outputStr = ("Raw values: x = {0}"
" y = {1}"
" z = {2}").format(upmMMA7660.intp_value(x),
upmMMA7660.intp_value(y),
upmMMA7660.intp_value(z))
if (abs(upmMMA7660.intp_value(x)) > SHAKE_THRESHOLD) or \
(abs(upmMMA7660.intp_value(y)) > SHAKE_THRESHOLD) or \
(abs(upmMMA7660.intp_value(z)) > SHAKE_THRESHOLD):
print "value exceeded"
print xyz_count
xyz_count = xyz_count + 1
if (xyz_count >= xyz_thresh):
print "increasing thresh"
missing_devices = check_devices(devices)
if len(missing_devices) > 0:
print "Missing devices"+"\n"
print missing_devices
for chord_ind in range (0,15):
print myBuzzer.playSound(chords[chord_ind], 100000)
print "buzzing"
#time.sleep(0.1)
chord_ind += 1
data = create_message('Alert!', 'Missing item', True,
'10.10.40.3')
enqueue_message(data)
myBuzzer.stopSound()
xyz_count = 0
print outputStr
time.sleep(0.05)
print "loop over"
xyz_count = 0
# Schedule next
callback_time = 0
ioloop.call_at(ioloop.time() + callback_time,
main_loop, ioloop, iot_client)
return
def ping():
#logger.debug("ping for %s", self.id)
now = ioloop.time()
if self._expecting_pong:
logger.warning("kernel %s died unexpectedly", self.id)
self.stop()
elif now > self.hard_deadline:
logger.info("hard deadline reached for %s", self.id)
self.stop()
elif (self.timeout > 0
and now > self.deadline
and self.status == "idle"):
logger.info("kernel %s timed out", self.id)
self.stop()
else:
hb.send(b'ping')
self._expecting_pong = True
def get(self):
print('{timestamp} - Received request'.format(
timestamp=datetime.now().strftime("%Y-%m-%d %H:%M:%S.%f")))
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
"Content-type",
"multipart/x-mixed-replace;boundary=--boundarydonotcross")
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross"
# TODO: Remove this hardcoded URL
while True:
interval = .1
if self.served_image_timestamp + interval < time.time():
# Can't serve the OpenCV numpy array
# Tornando: "... only accepts bytes, unicode, and dict objects" (from Tornado error Traceback)
# The result of cv2.imencode is a tuple like: (True, some_image), but I have no idea what True refers to
img = cv2.imencode(
'.jpg',
self.application.video_cache.read_cache())[1].tostring()
# I have no idea what these lines do, but other people seem to use them, they
# came with this copied code and I don't want to break something by removing
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
# Serve the image
self.write(img)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
"""
functionality: generates GET response with mjpeg stream
input: None
:return: yields mjpeg stream with http header
"""
ioloop = tornado.ioloop.IOLoop.current()
self._logger.debug("mjpeg stream started.")
stream_type = self.get_argument('type', True)
# Set http header fields
self.set_header(
'Cache-Control',
'no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'
)
self.set_header('Pragma', 'no-cache')
self.set_header('Content-Type',
'multipart/x-mixed-replace;boundary=--jpgboundary')
self.set_header('Connection', 'close')
while not self.stop_mjpeg:
try:
interval = 1.0
if self.served_image_timestamp + interval < time.time():
# Generating images for mjpeg stream and wraps them into http resp
img = self.getFrame(stream_type)
if img is None:
continue
self.write("--jpgboundary\r\n")
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: {0}\r\n\r\n".format(len(img)))
self.write(img)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
except Exception as e:
self._logger.warning("mjpeg stream stopped: {0}".format(e))
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header('Cache-Control', 'no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0')
self.set_header('Connection', 'close')
self.set_header('Content-Type', 'multipart/x-mixed-replace;boundary=--boundarydonotcross')
self.set_header('Expires', 'Mon, 1 Jan 2000 00:00:00 GMT')
self.set_header('Pragma', 'no-cache')
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross\n"
while True:
img = open('/tmp/mjpeg.jpg', 'rb').read()
interval = 0.5
if self.served_image_timestamp + interval > time.time():
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(str(img))
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout, ioloop.time() + interval)
import tornado.ioloop
import tornado.web
import json
from datetime import datetime
class MainHandler(tornado.web.RequestHandler):
def get(self):
self.write(
json.dumps({
"current UTC": datetime.utcnow().strftime('%Y-%m-%d'),
"IP address": self.request.remote_ip
}))
def make_app():
return tornado.web.Application([
(r"/", MainHandler),
])
if __name__ == "__main__":
app = make_app()
app.listen(8888)
ioloop = tornado.ioloop.IOLoop.current()
ioloop.start()
print(ioloop.time())
ioloop.close()
def get(self):
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
'Cache-Control',
'no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'
)
self.set_header('Pragma', 'no-cache')
self.set_header('Content-Type',
'multipart/x-mixed-replace;boundary=--jpgboundary')
self.set_header('Connection', 'close')
self.served_image_timestamp = time.time()
my_boundary = "--jpgboundary"
while True:
bild = self.application.bild
bild = cv2.cvtColor(bild, cv2.COLOR_BGR2RGB)
lenkung = self.application.lenkung
beschleunigung = self.application.beschleunigung
beschleunigung1 = int(beschleunigung * 160)
lenkung = round(lenkung, 2)
lenkung1 = int(lenkung * 80)
if self.get_argument('fd') == "false":
cv2.line(bild, (160, 460), (480, 460), (0, 0, 255), 2)
cv2.line(bild, (160, 450), (160, 470), (0, 0, 255), 2)
cv2.line(bild, (200, 455), (200, 465), (0, 0, 255), 2)
cv2.line(bild, (240, 450), (240, 470), (0, 0, 255), 2)
cv2.line(bild, (280, 455), (280, 465), (0, 0, 255), 2)
cv2.line(bild, (320, 450), (320, 470), (0, 0, 255), 2)
cv2.line(bild, (360, 455), (360, 465), (0, 0, 255), 2)
cv2.line(bild, (400, 450), (400, 470), (0, 0, 255), 2)
cv2.line(bild, (440, 455), (440, 465), (0, 0, 255), 2)
cv2.line(bild, (480, 450), (480, 470), (0, 0, 255), 2)
cv2.line(bild, (30, 160), (30, 320), (255, 0, 0), 2)
cv2.line(bild, (20, 160), (40, 160), (255, 0, 0), 2)
cv2.line(bild, (25, 180), (35, 180), (255, 0, 0), 2)
cv2.line(bild, (20, 200), (40, 200), (255, 0, 0), 2)
cv2.line(bild, (25, 220), (35, 220), (255, 0, 0), 2)
cv2.line(bild, (20, 240), (40, 240), (255, 0, 0), 2)
cv2.line(bild, (25, 260), (35, 260), (255, 0, 0), 2)
cv2.line(bild, (20, 280), (40, 280), (255, 0, 0), 2)
cv2.line(bild, (25, 300), (35, 300), (255, 0, 0), 2)
cv2.line(bild, (20, 320), (40, 320), (255, 0, 0), 2)
cv2.line(bild, (20, 240 + lenkung1), (40, 240 + lenkung1),
(0, 255, 0), 6)
cv2.line(bild, (320 + beschleunigung1, 470),
(320 + beschleunigung1, 450), (0, 255, 0), 6)
if self.get_argument('fd') == "true":
bild = cv2.cvtColor(bild, cv2.COLOR_RGB2YUV)
cv2.line(bild, (160, 460), (480, 460), (0, 0, 255), 2)
cv2.line(bild, (160, 450), (160, 470), (0, 0, 255), 2)
cv2.line(bild, (200, 455), (200, 465), (0, 0, 255), 2)
cv2.line(bild, (240, 450), (240, 470), (0, 0, 255), 2)
cv2.line(bild, (280, 455), (280, 465), (0, 0, 255), 2)
cv2.line(bild, (320, 450), (320, 470), (0, 0, 255), 2)
cv2.line(bild, (360, 455), (360, 465), (0, 0, 255), 2)
cv2.line(bild, (400, 450), (400, 470), (0, 0, 255), 2)
cv2.line(bild, (440, 455), (440, 465), (0, 0, 255), 2)
cv2.line(bild, (480, 450), (480, 470), (0, 0, 255), 2)
cv2.line(bild, (30, 160), (30, 320), (255, 0, 0), 2)
cv2.line(bild, (20, 160), (40, 160), (255, 0, 0), 2)
cv2.line(bild, (25, 180), (35, 180), (255, 0, 0), 2)
cv2.line(bild, (20, 200), (40, 200), (255, 0, 0), 2)
cv2.line(bild, (25, 220), (35, 220), (255, 0, 0), 2)
cv2.line(bild, (20, 240), (40, 240), (255, 0, 0), 2)
cv2.line(bild, (25, 260), (35, 260), (255, 0, 0), 2)
cv2.line(bild, (20, 280), (40, 280), (255, 0, 0), 2)
cv2.line(bild, (25, 300), (35, 300), (255, 0, 0), 2)
cv2.line(bild, (20, 320), (40, 320), (255, 0, 0), 2)
cv2.line(bild, (20, 240 + lenkung1), (40, 240 + lenkung1),
(0, 255, 0), 6)
cv2.line(bild, (320 + beschleunigung1, 470),
(320 + beschleunigung1, 450), (0, 255, 0), 6)
erfolg, jpeg = cv2.imencode('.jpg', bild)
bild = jpeg.tobytes()
interval = 0.1
if self.served_image_timestamp + interval < time.time():
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(bild))
self.write(bild)
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
def get(self):
# Get otherProgram Id (Note: Program and Other Program are reversed)
# otherProgramId = self.get_argument('programId')
# Get program Id (Note: Program and Other Program are reversed)
# programId = self.get_argument('otherProgramId')
# Get program
# program = self.program
# if program._id != programId :
# body = {
# "Title":"An error has occured",
# "error":"program is unknown"
# }
# self.set_status(400)
# self.write(json.dumps(body))
# self.finish()
# # Get otherProgram
# otherProgram = program.get_other_program_by_id(otherProgramId)
# if not otherProgram :
# body = {
# "Title":"An error has occured",
# "error":"other program is unkown to machine"
# }
# self.set_status(400)
# self.write(json.dumps(body))
# self.finish()
# # Check if http request is allowed
# if not otherProgram.accept["httpConnection"]:
# body = {
# "Title":"An error has occured",
# "error":"Program does not allow a request by you. I'm sorry."
# }
# self.set_status(400)
# self.write(json.dumps(body))
# self.finish()
ioloop = tornado.ioloop.IOLoop.current()
self.set_header(
'Cache-Control',
'no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'
)
self.set_header('Connection', 'close')
self.set_header(
'Content-Type',
'multipart/x-mixed-replace;boundary=--boundarydonotcross')
self.set_header('Pragma', 'no-cache')
self.served_image_timestamp = time.time()
my_boundary = "--boundarydonotcross\n"
while True:
img = self.camera.get_frame()
interval = 0.001
if self.served_image_timestamp + interval < time.time():
self.write(my_boundary)
self.write("Content-type: image/jpeg\r\n")
self.write("Content-length: %s\r\n\r\n" % len(img))
self.write(str(img))
self.served_image_timestamp = time.time()
yield tornado.gen.Task(self.flush)
else:
yield tornado.gen.Task(ioloop.add_timeout,
ioloop.time() + interval)
ioloop = tornado.ioloop.IOLoop.current()
