UDP Task In the program explained during the lab, in the client side The OS assigns the port number automatically. The client sends a line of characters (data) from its keyboard to server. Update the client side of program so that it takes 2 arguments The port it will bind to. The message that will be sent to the server.
UDP Task In the program explained during the lab, in the client side The OS assigns the port number automatically. The client sends a line of characters (data) from its keyboard to server. Update the client side of program so that it takes 2 arguments The port it will bind to. The message that will be sent to the server.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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UDP Task
In the program explained during the lab, in the client side
- The OS assigns the port number automatically.
- The client sends a line of characters (data) from its keyboard to server.
Update the client side of program so that it takes 2 arguments
- The port it will bind to.
- The message that will be sent to the server.
Use the screenshots in the presentation as a reference
check the testArg.py --> an example to show you how to use arguments
TCP Task
In the program explained during the lab
- the client sends only 1 message to server ‘hello from tcp client’
- server responds with the uppercase message.
Update the program / make a simple chat program so that
- Client can send/receive multiple messages to server.
- A special exit message is used to disconnect ‘Exit’.
- Each time client sends a message, server responds with a confirmation of receiving it and its length
- (use the screenshots in the presentation as a reference)
using python .
tcp client code
from socket import *
serverIP = '127.0.0.1'
serverPort = 12000
clientSocket = socket(AF_INET, SOCK_STREAM)
clientSocket.connect((serverIP,serverPort))
sentence = input('Input lowercase sentence:')
clientSocket.send(sentence.encode())
modifiedSentence = clientSocket.recv(1024)
print ('From Server:', modifiedSentence.decode())
clientSocket.close()
serverIP = '127.0.0.1'
serverPort = 12000
clientSocket = socket(AF_INET, SOCK_STREAM)
clientSocket.connect((serverIP,serverPort))
sentence = input('Input lowercase sentence:')
clientSocket.send(sentence.encode())
modifiedSentence = clientSocket.recv(1024)
print ('From Server:', modifiedSentence.decode())
clientSocket.close()
tcp server code
from socket import *
serverPort = 12000
serverSocket = socket(AF_INET,SOCK_STREAM)
serverSocket.bind(('',serverPort))
serverSocket.listen(1)
print ('The server is ready to receive')
while True:
connectionSocket, addr = serverSocket.accept()
sentence = connectionSocket.recv(1024).decode()
capitalizedSentence = sentence.upper()
connectionSocket.send(capitalizedSentence.encode())
connectionSocket.close()
serverPort = 12000
serverSocket = socket(AF_INET,SOCK_STREAM)
serverSocket.bind(('',serverPort))
serverSocket.listen(1)
print ('The server is ready to receive')
while True:
connectionSocket, addr = serverSocket.accept()
sentence = connectionSocket.recv(1024).decode()
capitalizedSentence = sentence.upper()
connectionSocket.send(capitalizedSentence.encode())
connectionSocket.close()
udp client code
from socket import *
serverIP = '127.0.0.1'
serverPort = 12000
clientSocket = socket(AF_INET, SOCK_DGRAM)
clientSocket.bind(('',0))
message = input('Input lowercase sentence:')
clientSocket.sendto(message.encode(), (serverIP, serverPort))
modifiedMessage, serverAddress = clientSocket.recvfrom(2048)
print (modifiedMessage.decode())
clientSocket.close()
serverIP = '127.0.0.1'
serverPort = 12000
clientSocket = socket(AF_INET, SOCK_DGRAM)
clientSocket.bind(('',0))
message = input('Input lowercase sentence:')
clientSocket.sendto(message.encode(), (serverIP, serverPort))
modifiedMessage, serverAddress = clientSocket.recvfrom(2048)
print (modifiedMessage.decode())
clientSocket.close()
udp server code
from socket import *
serverPort = 12000
serverSocket = socket(AF_INET, SOCK_DGRAM)
serverSocket.bind(('', serverPort))
print ("The server is ready to receive")
while True:
message, clientAddress = serverSocket.recvfrom(2048)
modifiedMessage = message.decode().upper()
serverSocket.sendto(modifiedMessage.encode(), clientAddress)
serverPort = 12000
serverSocket = socket(AF_INET, SOCK_DGRAM)
serverSocket.bind(('', serverPort))
print ("The server is ready to receive")
while True:
message, clientAddress = serverSocket.recvfrom(2048)
modifiedMessage = message.decode().upper()
serverSocket.sendto(modifiedMessage.encode(), clientAddress)
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