def handleRequest(command, args):
respMsg = {'type':'response', 'command':command, 'data':None}
if command == 'scanWifi':
println("Command recevied to scan wifi")
apInfo = Wifi.findMhaDevices()
if len(apInfo) < 1:
Logger.log(Logger.LogLevel.error, "Unable to find any MHA Devices in accespoint mode")
else:
data = []
for ap in apInfo:
data.append({'macaddr': Wifi.getMacAddr(ap), 'ssid':Wifi.getSsid(ap)})
respMsg['data'] = data
Logger.log(Logger.LogLevel.info, "New APs:" + str(data))
publishMessage(json.dumps(respMsg))
if command == 'connectToWifi':
println('Command Received to connec to Wifi')
if 'ssid' in args:
ssid = args['ssid']
macaddr = ''
if 'macaddr' in args:
macaddr = args['macaddr']
status = {'connectedToWifi': 'True'}
if connectToWifi(ssid, macaddr) != 0:
status['connectedToWifi'] = 'False'
respMsg['data'] = status
publishMessage(json.dumps(respMsg))
def scanWifi():
availableWifiNetworks = []
shcmd = 'sudo iwlist ' + WIFI_INTERFACE + ' scan'
response = subprocess.run(shcmd.split(' '),
capture_output=True,
timeout=30)
if response.returncode == 0:
output = response.stdout.decode("utf-8").split('\n')
macAddr = ''
ssid = ''
for line in output:
if 'Address' in line:
macAddr = line.split('Address:')[-1][1:-1]
if 'ESSID' in line:
ssid = line.split(':')[-1][1:-1]
if macAddr != '' and ssid != '':
availableWifiNetworks.append(WifiAp(macAddr, ssid))
macAddr = ''
ssid = ''
else:
Logger.log(Logger.LogLevel.error, "Wifi Scaning failed")
return availableWifiNetworks
