def client_thread(conn):
# Loop indefinitively
while True:
# This blocks the loop untill something is received
received = conn.recv(1024)
json_data = ""
# Received == None
if not received:
print("Closing connection")
break
# Something was received, decode it
if received:
json_data = received.decode()
# The decoded message is not empty, analyse it
if json_data != "":
# The messages use the JSON format
data = json.loads(json_data)
# The command is 'login', authenticate the credentials and send back the result
if data["command"] == "login":
tosend = {}
tosend["command"] = "authlogin"
tosend["auth"] = authenticate(data["username"], data["password"])
if (tosend["auth"] == "True"):
auth = True
print("Sending: " + json.dumps(tosend))
conn.send(json.dumps(tosend).encode())
# The command is 'getprescriptions', get the prescriptions of the user and compress them to a string
# in JSON format
if data["command"] == "getprescriptions" and auth:
user = database.get_user_by_uid(data["uid"])
print("Info: " + str(user.id) + ", " + str(user.username) + ", " + str(user.rfid))
prescriptions = user.get_prescriptions()
tosend = {}
tosend["command"] = "getprescriptions"
tosend["data"] = Prescription.to_json_list(prescriptions)
print("Sending: " + str(tosend))
conn.send(json.dumps(tosend).encode())
# Properly close the connection, shutdown notifies the client that is should stop listening
conn.shutdown(1)
conn.close()
