Below is cache.py. Make sure the code works properly and is plagarism free. Make sure to show the screenshot of the output with the screenshot of the code being tested as plagarism free. cache.py import socket import sys
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Below is cache.py. Make sure the code works properly and is plagarism free. Make sure to show the screenshot of the output with the screenshot of the code being tested as plagarism free.
cache.py
import socket
import sys
def handle_client(client_socket):
while True:
command = client_socket.recv(1024).decode()
if not command:
break
if command == 'quit':
break
elif command == 'put':
receive_file(client_socket)
elif command == 'get':
send_file(client_socket)
else:
print("Invalid command.")
break
client_socket.close()
def receive_file(client_socket):
pass
def send_file(client_socket):
pass
def main():
if len(sys.argv) != 4:
print("Usage: cache.py <port> <server_ip> <server_port> <transport_protocol>")
return
port, server_ip, server_port, transport_protocol = int(sys.argv[1]), sys.argv[2], int(sys.argv[3]), sys.argv[4]
cache_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
cache_socket.bind(('0.0.0.0', port))
cache_socket.listen(5)
print(f"Cache listening on port {port}...")
while True:
client_socket, addr = cache_socket.accept()
print(f"Accepted connection from {addr[0]}:{addr[1]}")
handle_client(client_socket)
if __name__ == "__main__":
main()
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- Using your Client that accepts a stream from the Server in question 3. The client receives the Dictionary Based Object from the Server. client code : import socketimport json # Initialize socketHOST = 'localhost'PORT = 5000client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)client_socket.connect((HOST, PORT)) # Receive and print the CO2 data fieldswhile True: data = client_socket.recv(1024).decode() if not data: break field_data = json.loads(data) print(field_data) # Close the socketclient_socket.close()Below is server.py. Make sure the code works properly and is plagarism free. Make sure to show the screenshot of the output with the screenshot of the code being tested as plagarism free. server.py import socketimport sys def handle_client(client_socket): while True: command = client_socket.recv(1024).decode() if not command: break if command == 'quit': break elif command == 'put': receive_file(client_socket) elif command == 'get': send_file(client_socket) else: print("Invalid command.") break client_socket.close() def receive_file(client_socket): pass def send_file(client_socket): pass def main(): if len(sys.argv) != 3: print("Usage: server.py <port> <transport_protocol>") return try: port, transport_protocol = int(sys.argv[1]), sys.argv[2] except ValueError: print("Invalid port number.") return…You can make this code connection functions between P2P machines: import threading import socket import pickle import time import struct import hashlib import os class FileManager(object): def __init__(self): self.files = {} self.download_path = "" def hash_data(self, data): hasher = hashlib.md5() hasher.update(data) return str(hasher.hexdigest()) def hashFile(self, filepath): hasher = hashlib.md5() try: with open(filepath, "rb") as afile: buf = afile.read() while len(buf) > 0: hasher.update(buf) buf = afile.read() return hasher.hexdigest() except: print("Couldn't find/hash file " + filepath) def refresh(self): for i in list(self.files): if self.files[i]["path"] is not None: if not os.path.exists(self.files[i]["path"]): print(…
- # server2.py import socket # Function to validate credit card information def validate_credit_card(credit_card_details): # Dummy validation, always returns True return True # UDP server setup server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) server_socket.bind(('localhost', 6000)) print("Server2 is listening...") while True: data, addr = server_socket.recvfrom(1024) print(f"Received credit card details from {addr}") # Credit card validation if validate_credit_card(data.decode()): server_socket.sendto(b"Payment successful.", addr) else: server_socket.sendto(b"Payment failed. Please check your credit card details.", addr)Need help with this code: You will write a client-server system for writing/storing notes. Each note has an ID (integer), a title (short text), and a body (long text). A client can have three kinds of requests to the server: upload a note, download a note (given its ID), and search for a note (given a keyword). In the case of search, the server will return a list of IDs and titles of notes whose titles contain the keyword. Design the database to store the notes. Design the Ul of the client. • Write code to implement the system. • You should use design patterns as in the Store Management System: 3-layer; Model-View-Controller; Singleton, Adapter. 1. StoreManager code public class StoreManager { private static StoreManager instance = null; private RemoteDataAdapter dao; private ProductView productView = null; public ProductView getProductView() { return productView; } private ProductController productController = null; public static StoreManager getlnstance() { if (instance == null)…MD5 is a hash function producing a 128-bit checksum of a collection of bytes. You can read about it here. On Linux, the command to produce an md5 is /usr/bin/md5sum. On Macs, it is /sbin/md5. For example, on Linux the command$ md5sum fooprintsfceab221011657b8f7453d10009485f0to the screen. If the contents of two files (text or binary) are identical, then the md5 hash of the two files will be identical. Thus an easy way to detect identical files is to compare their md5 hashes.Write a shell script that accepts a directory pathname as its argument that prints the names of all files that are duplicates within that directory. If there is no argument, the current working directory is assumed. A hint that may or may not be useful: if two files have different sizes, they cannot be identical. Do not use either sed or awk in your solution. Your script should do something intelligent if the named directory does not exist, and should have reasonable exit codes.
- #client sideimport socketprint ("Client Up")s = socket.socket()s.connect(('127.0.0.2', 4869)) # LA = loop Address; PA = Port Addresswhile True: str = input("Client: ") s.send(str.encode()); if(str == "Bye" or str == "bye"): break print ("Server:",s.recv(1024).decode())s.close() How to fix this error for the code(Client UpTraceback (most recent call last): File "C:\Users\User\Downloads\l.py", line 5, in <module> s.connect(('127.0.0.2', 4869)) # LA = loop Address; PA = Port AddressConnectionRefusedError: [WinError 10061] No connection could be made because the target machine actively refused it)Write a server and client programs that do the following based on the written pseudocode: Client Server Client create a socket that directed to port 3344, local host Server creates a server socket on port 3344 Server is capable to receive requests for more than one client at the same time.(threads) Client sends a linked list object to the server For each client , server creates a file named after containing n elements (size is given from user) generated randomly the threadID Server reads the list object and writes its content into the file created above Clients waits for the written confirmation from server , which is the number of elements found on the list object send above After writing, Server send number of elements written to the file to the client. Server closes sockets and files. Client check if number received is equal to the size of the list Client closes socketYou will create a number of threads—for example, 100—and each thread sleep for a random period of time, request a pid, sleep again for a random period of time, and then release the pid. Sleeping for a random period of time approximates the typical pid usage in which a pid is assigned to a new process, the process executes and then terminates, releasing the pid on the process's termination. You should use a linked list to store the pids. On UNIX and Linux systems, sleeping is accomplished through the sleep() function, which is passed an integer value representing the number of seconds to sleep. The number of threads to create as well as the maximum sleep time will be passed on the command line as: For example: ./a3q3 100 15 This represents 100 threads, each with a random sleep time of up to 15 seconds. Code that compiles and runs with correct logic will be evaluated for full marks even if they present some instability (e.g. segmentation fault errors).
- In this part, we add the CPU temperature ID of the Raspberry Pi to the MQTT stream. Open a new terminal and create a new script by the name of py and add the following content to it. import paho.mqtt.client as mqtt import time from subprocess import check_output from re import findall def get_temp(): temp = check_output(["vcgencmd","measure_temp"]).decode("UTF-8") return(findall("\d+\.\d+",temp)[0]) def on_connect(client, userdata, flags, rc): print("Connected with result code "+str(rc)) client.subscribe("etec224_mqtt_test/") global Connected Connected = True Connected = False client = mqtt.Client() client.on_connect = on_connect client.connect("broker.emqx.io", 1883, 60) client.loop_start() while Connected!= True: #Wait Here time.sleep(0.1) try: while True: value = get_temp() client.publish('etec224_mqtt_test/', value) time.sleep(1) except KeyboardInterrupt: client.disconnect()…Create a simple Client-Server communication via Sockets where Client will send the message in following form → {message, SHA_256_hash_value}. Once the server receives the message it will parse it, calculate the SHA_256 hash value of the message part and compare it with the received hash. If values are matching it will send 'OK' back to Client, else 'Message was compromised'. Use Java GUI to send and receive messages in both parties (client and server).I have a code (class Server). I need help to fix error in another class. These are 2 seperated files. import socketimport pandas as pdimport sqlite3class Server:def __init__(self, portnumber):self.port = portnumberself.s = socket.socket()self.host = socket.gethostname()self.s.bind((self.host, self.port))self.s.listen(5)print('Server listening....')def __enter__(self):return selfdef __exit__(self, exc_type, exc_val, exc_tb):self.close()def serve(self):while True:conn, addr = self.s.accept()print('Got connection from', addr)query = conn.recv(1024).decode()print('Server received query:', query)# Process the SQL query and retrieve datadata = self.process_query(query)# Send the data back to the clientconn.sendall(data.to_msgpack())print('Sent data:', data)conn.close()def process_query(self, query):# Connect to the SQLDatabase and execute the queryconnection = sqlite3.connect('data.db')data = pd.read_sql_query(query, connection)connection.close()return datadef close(self):self.s.close()# Run…