def received_message(self, m):
print m.data
# Starting camera stream by running a subprocess with the shell script
# camerastream.sh
if m.data == "start_stream":
self.pro = subprocess.Popen(['bash', \
'camerastream.sh', SERVER_IP], \
preexec_fn=os.setsid)
# Beta implementation of colortracking (running the
# colortracking 20 seconds)
elif m.data == "start_tracking":
xp = 1500
yp = 1500
px= 0.3
py= 0.2
dx= 0.5
dy= 0.5
x = 0
y = 0
motioncolor.init()
start = time.time()
while time.time()-start <= 20:
tempx = x
tempy = y
[x,y] =motioncolor.getdata()
xp=min(max(500,xp-x*px-(x-tempx)*dx),2500)
yp=min(max(500,yp+y*py+(y-tempy)*dy),2500)
xpos = str(int(xp))
ypos = str(int(yp))
ws.send(ypos+','+xpos+',1500,/n')
motioncolor.kill()
# Stopping camera stream subprocess
elif m.data =="stop_stream":
os.killpg(self.pro.pid, signal.SIGTERM)
def on_message(ws, message):
global pro
print message
# Starting camera stream by running a subprocess with
# the shell script camerastream.sh
if message[0:13] == "start_stream:":
ip = re.search("start_stream:(.+?)#", message).group(1)
pro = subprocess.Popen(['bash', 'camerastream.sh', ip],\
preexec_fn=os.setsid)
# Beta implementation of colortracking (running the colortracking 20 seconds)
elif message == "start_tracking":
xp = 1500
yp = 1500
px= 0.3
py= 0.2
dx= 0.5
dy= 0.5
x = 0
y = 0
motioncolor.init()
start = time.time()
while time.time()-start <= 20:
tempx = x
tempy = y
[x,y] =motioncolor.getdata()
xp=min(max(500,xp-x*px-(x-tempx)*dx),2500)
yp=min(max(500,yp+y*py+(y-tempy)*dy),2500)
xpos = str(int(xp))
ypos = str(int(yp))
ws.send(ypos+','+xpos+',1500,/n')
motioncolor.kill()
# Stoping camera stream subprocess
elif message =="stop_stream":
os.killpg(pro.pid, signal.SIGTERM)
