FDAPolytech · kloV148 · May 18, 2025
diff --git a/work/K3320/Скворцов_Иван/lab6/task1/client.py b/work/K3320/Скворцов_Иван/lab6/task1/client.py
@@ -0,0 +1,11 @@
+import socket
+
+HOST = 'localhost'
+PORT = 4321
+
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+    s.connect((HOST, PORT))
+    s.sendall(b'Hello, server')
+    data = s.recv(1024)
+
+print('Received from server:', data.decode())
diff --git a/work/K3320/Скворцов_Иван/lab6/task1/server.py b/work/K3320/Скворцов_Иван/lab6/task1/server.py
@@ -0,0 +1,15 @@
+import socket
+
+HOST = 'localhost'
+PORT = 4321
+
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+    s.bind((HOST, PORT))
+    s.listen()
+    print('Server is listening...')
+    conn, addr = s.accept()
+    with conn:
+        print('Connected by', addr)
+        data = conn.recv(1024)
+        print('Received from client:', data.decode())
+        conn.sendall(b'Hello, client')
diff --git a/work/K3320/Скворцов_Иван/lab6/task2/client.py b/work/K3320/Скворцов_Иван/lab6/task2/client.py
@@ -0,0 +1,17 @@
+import socket
+
+HOST = 'localhost'
+PORT = 23456
+
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+    s.connect((HOST, PORT))
+    print("Choose operation:")
+    print("1 - Pythagorean theorem")
+    choice = input("Enter choice: ")
+
+    if choice == '1':
+        a = input("Enter a: ")
+        b = input("Enter b: ")
+        s.sendall(f"{choice} {a} {b}".encode())
+        result = s.recv(1024).decode()
+        print("Result:", result)
diff --git a/work/K3320/Скворцов_Иван/lab6/task2/server.py b/work/K3320/Скворцов_Иван/lab6/task2/server.py
@@ -0,0 +1,18 @@
+import socket
+import math
+
+HOST = 'localhost'
+PORT = 23456
+
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+    s.bind((HOST, PORT))
+    s.listen()
+    print('Server listening for math operations...')
+    conn, addr = s.accept()
+    with conn:
+        print('Connected by', addr)
+        data = conn.recv(1024).decode().split()
+        choice, a, b = data
+        if choice == '1':
+            result = math.sqrt(float(a)**2 + float(b)**2)
+        conn.sendall(str(result).encode())
diff --git a/work/K3320/Скворцов_Иван/lab6/task3/index.html b/work/K3320/Скворцов_Иван/lab6/task3/index.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Simple HTTP Server</title>
+</head>
+<body>
+    <h1>Hello from Python HTTP Server!</h1>
+</body>
+</html>
diff --git a/work/K3320/Скворцов_Иван/lab6/task3/server.py b/work/K3320/Скворцов_Иван/lab6/task3/server.py
@@ -0,0 +1,23 @@
+import socket
+
+HOST = 'localhost'
+PORT = 8080
+
+with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
+    s.bind((HOST, PORT))
+    s.listen(1)
+    print('HTTP Server running...')
+    conn, addr = s.accept()
+    with conn:
+        request = conn.recv(1024)
+        print('Request received:')
+        print(request.decode())
+
+        with open("index.html", "r") as f:
+            response_body = f.read()
+
+        response = 'HTTP/1.1 200 OK\r\n'
+        response += 'Content-Type: text/html\r\n\r\n'
+        response += response_body
+
+        conn.sendall(response.encode())
diff --git a/work/K3320/Скворцов_Иван/lab6/task4/client.py b/work/K3320/Скворцов_Иван/lab6/task4/client.py
@@ -0,0 +1,23 @@
+import socket
+import threading
+
+def receive_messages(sock):
+    while True:
+        try:
+            msg = sock.recv(1024).decode()
+            print(msg)
+        except:
+            break
+
+HOST = 'localhost'
+PORT = 56789
+
+client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+client.connect((HOST, PORT))
+
+thread = threading.Thread(target=receive_messages, args=(client,))
+thread.start()
+
+while True:
+    msg = input()
+    client.send(msg.encode())
diff --git a/work/K3320/Скворцов_Иван/lab6/task4/server.py b/work/K3320/Скворцов_Иван/lab6/task4/server.py
@@ -0,0 +1,40 @@
+import socket
+import threading
+
+clients = []
+
+def broadcast(message, conn):
+    for client in clients:
+        if client != conn:
+            try:
+                client.send(message)
+            except:
+                client.close()
+                clients.remove(client)
+
+def handle_client(conn, addr):
+    print(f"New connection from {addr}")
+    clients.append(conn)
+    while True:
+        try:
+            msg = conn.recv(1024)
+            if not msg:
+                break
+            broadcast(msg, conn)
+        except:
+            clients.remove(conn)
+            conn.close()
+            break
+
+HOST = 'localhost'
+PORT = 56789
+
+server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+server.bind((HOST, PORT))
+server.listen()
+print("Chat server started...")
+
+while True:
+    conn, addr = server.accept()
+    thread = threading.Thread(target=handle_client, args=(conn, addr))
+    thread.start()