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serverUDP.py
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serverUDP.py
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from socket import *
import time
import struct
import sys
def startServer(serverPort):
# AF_INET: using IPv4
# SOCK_DGRAM: for UDP, SOCK_STREAM: for TCP
serverSocket = socket(AF_INET, SOCK_DGRAM)
serverSocket.bind(('', serverPort))
print(f"Server running on port {serverPort}")
while 1:
message, clientAddress = serverSocket.recvfrom(2000)
# > Input arguments function
def invalidInputArgs():
print(f"Usage: {sys.argv[0]} -p <server-port>")
exit(1)
def getInputArgValue(key, argName):
try:
return sys.argv[sys.argv.index(key)+1]
except (ValueError, IndexError) as error:
print("Missing argument:", argName)
invalidInputArgs()
def getInputArgs():
args = {}
argKeys = {
"-p": "server port",
}
for key, name in argKeys.items():
args[key] = getInputArgValue(key, name)
# Convert 'port' from String to Int
args["-p"] = int(args["-p"])
return args
if __name__ == "__main__":
args = getInputArgs()
startServer(serverPort = args["-p"])