def handle(self, *args, **options):
# Get node ID
node_id = int(args[0])
# Create socket
client_socket = socket(AF_INET, SOCK_STREAM)
# Connect to host on specified port
client_socket.connect(('127.0.0.1', server_port()))
# Try to contact server
try:
sendMsg(client_socket, str(node_id))
except:
abnormalShutdown(client_socket, "Error")
# Shut down write side of socket
client_socket.shutdown(1)
# Receive incoming message from server
try:
response = recvMsg(client_socket)
except:
print "Could not receive message from server"
# Close socket
client_socket.close()
return response
def get_node_status(node_id):
# Create socket
clientSocket = socket(AF_INET, SOCK_STREAM)
# Connect to localhost on specified port
clientSocket.connect(('127.0.0.1', server_port()))
# Print connection information to console
#print("Connected to " + str(clientSocket.getpeername()[0]) + " on port " + str(server_port()))
try:
sendMsg(clientSocket, str(node_id))
except:
abnormalShutdown(clientSocket, "Error")
# Shut down write side of socket
clientSocket.shutdown(1)
# Receive incoming message from server
return recvMsg(clientSocket)
#print("Received from server " + str(incomingMsg))
# Close socket
clientSocket.close()
# Create socket object
socket = socket(AF_INET, SOCK_STREAM)
# Bind socket to localhost on defined port
socket.bind(('', server_port()))
# Start listening
socket.listen(0)
while True:
# Accept connections while server is alive
conn, address = socket.accept()
# Print connection information
#print("Connection received from client address " + str(address[0]) + " on port " + str(address[1]))
# Try to receive incoming message and starting time
incomingMsg = recvMsg(conn)
# Print message from client
#print("Received from client: " + str(incomingMsg))
ser = serial.Serial(settings.TTY_PORT, '9600', timeout=5)
time.sleep(2)
try:
ser.write(str(incomingMsg))
except:
print("Error during serial write")
time.sleep(2)
try:
result = ser.read()
except: