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()
def main():
configs = utils.loadConfigs()
# create and initialize analysis object
analyzer = analysis.Analysis("USDT_BTC", 300, 500, configs)
analyzer.setup()
# create and initialize transactor (intially holding btc)
trans_que = queue.Queue()
trans = transactor.TransactorThread("USDT_BTC", trans_que, True, configs)
trans.start()
utils.sendMsg("trader started")
utils.write("trader started")
while True:
if (analyzer.update()):
val = analyzer.analyze()
trans_que.put(val)
time.sleep(60)
trans.join()
def run(self):
""" Initiated with start()"""
while not self.stoprequest.isSet():
try:
action = self.trans_q.get(True)
# utils.write("obtained value")
if (action == 1 and not self.holding):
utils.write("buying")
utils.sendMsg("buying")
ret_val = self.buy()
utils.write(ret_val)
utils.sendMsg(parseTradeReturn(ret_val))
elif (action == -1 and self.holding):
utils.write("selling")
utils.sendMsg("selling")
ret_val = self.sell()
utils.write(ret_val)
utils.sendMsg(parseTradeReturn(ret_val))
except queue.Empty:
continue
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:
print("Error during serial read")
# Send serial value to client
sendMsg(conn, result)
# Try to shut down write side of socket
# If successful, print server-side messages
# Otherwise inform server that client abnormally terminated
try:
# Shutdown write side of socket
conn.shutdown(1)
except:
print("Abnormal termination from client\n")
# Clock the connection
conn.close()
