def myTcpHandler(client, addr, mqttc):
global ALL_CLIENT
global jpg_bin
global BASE_FOLDER
global status
mac_addr = ''
client.setblocking(0)
ALL_CLIENT.append({
'fd': client,
'addr': addr,
'closed': False
});
print 'thread started for ', addr
data=''
jpg_bin = ''
c1 = ''
while True:
# avoid cpu loading too hight
time.sleep(1)
try:
msg = client.recv(1024*64)
if HEADER_ID_TYPE == 'id':
mac_addr = msg[0:4].encode('hex')
print 'id:',mac_addr
c1 += msg[4:]
elif HEADER_ID_TYPE == 'macaddr':
mac_addr = msg[0:6].encode('hex')
print 'id:',mac_addr
c1 += msg[6:]
except socket.error as e:
if c1 != '':
#print 'recv %d bytes' % (len(c1
# recognize jpg header & tail === start
i = c1.find('\xff\xd8')
if i>= 0:
jpg_bin = c1[i:]
status = 1
print '[JPG'
#continue
j = jpg_bin.find('\xff\xd9')
if j > 0:
print '--JPG]'
jpg_bin = jpg_bin[:j+2]
#s = BASE_FOLDER + mac_addr + '#' + filename_from_time()
#print s
#writefile(s,jpg_bin)
# prepare mqtt publish
s = jpg_bin.encode('hex')
print 'MQTT DTA:' + s
publish.single(MQTT_TOPIC_BASE + 'A/' + str(mac_addr), s, hostname=MQTT_SERVER)
jpg_bin = ''
c1 = ''
time.sleep(CAPTURE_INTERVAL)
client.close()
break
j = c1.find('\xff\xd9')
if j >= 0:
if status == 1:
print 'JPG]'
jpg_bin += c1[:j+2]
#s = BASE_FOLDER + mac_addr + '#' + filename_from_time()
#print s
#writefile(s,jpg_bin)
# prepare mqtt publish
s = jpg_bin.encode('hex')
print 'MQTT DTA:' + s
publish.single(MQTT_TOPIC_B + str(mac_addr), s, hostname=MQTT_SERVER)
jpg_bin = ''
c1 = ''
time.sleep(CAPTURE_INTERVAL)
client.close()
break
else:
if status == 1:
jpg_bin += c1
# recognize jpg header & tail === end
continue
except Exception as e:
print 'Server get a error fd: ', e
client.close()
break
#h_s = header.encode('hex')
#print 'header:', h_s
s = 'new connection from %s, time: %s\r\n' % (str(addr),str(format_time_from_linuxtime(time.time())))
writefile2('log.txt',s)
#if (header in GRANT_MAC_LIST):
# print 'new thread created! for addr:',addr
module_reset(client)
time.sleep(1)
module_snapshot(client)
time.sleep(0.5)
jpg_size = get_jpg_size(client)
print 'jpg size:',jpg_size
if (jpg_size == 0):
module_read_pic_data2(client,32000)
else:
module_read_pic_data2(client,jpg_size)
s = 'connected ' + str(addr)
publish.single(MQTT_TOPIC_BROADCAST, s, hostname=MQTT_SERVER)
threading.Thread(target=myTcpHandler, args=(client, addr, mqttc)).start()
except:
print 'except, try again.'
s = 'disconnected ' + str(addr)
publish.single(MQTT_TOPIC_BROADCAST, s, hostname=MQTT_SERVER)
time.sleep(3)