#sudo ~/build/opencv-webcam-demo/opencv-webcam-demo --data ~/affdex-sdk/data --faceMode 1 --numFaces 40 --draw 1

import subprocess
from SimpleWebSocketServer import SimpleWebSocketServer, WebSocket

proc = subprocess.Popen([
	'/home/crowd/build/opencv-webcam-demo/opencv-webcam-demo',
	"--data", "/home/crowd/affdex-sdk/data",
	"--faceMode", "1",
	"--numFaces", "40",
	"--draw", "1",
	"--pfps", "5",
	"--cfps", "5",
	],stdout=subprocess.PIPE, stderr=subprocess.STDOUT)

clients = []
class EchoOutput(WebSocket):

#    def handleMessage(self):
#        # echo message back to client
#        self.sendMessage(self.data)

	def handleConnected(self):
		clients.append(self)
		print(self.address, 'connected')

	def handleClose(self):
		clients.remove(self)
		print(self.address, 'closed')
        
server = SimpleWebSocketServer('', 8080, EchoOutput)

def send_message(msg):
	print "send", msg, "to", len(clients), "clients"
	for client in list(clients):
		client.sendMessage(u''+msg)

while proc.poll() is None:
	server.serveonce()
	line = proc.stdout.readline()
	if line == '':
		continue
	send_message(line)
	#print "test:", line.rstrip()