From 972101851ce4cae9264968b728bea39d26381627 Mon Sep 17 00:00:00 2001
From: Egor <stud160547@vyatsu.ru>
Date: Wed, 4 Feb 2026 17:08:53 +0300
Subject: [PATCH] initial commit_2

---
 lab.py          |  0
 tcp_client.py   |  8 ++++++++
 tcp_server.py   | 21 +++++++++++++++++++++
 udp_chat.py     | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 udp_client.py   |  8 ++++++++
 udp_client_2.py |  8 ++++++++
 udp_server.py   | 10 ++++++++++
 7 files changed, 101 insertions(+)
 delete mode 100644 lab.py
 create mode 100644 tcp_client.py
 create mode 100644 tcp_server.py
 create mode 100644 udp_chat.py
 create mode 100644 udp_client.py
 create mode 100644 udp_client_2.py
 create mode 100644 udp_server.py

diff --git a/lab.py b/lab.py
deleted file mode 100644
index e69de29..0000000
diff --git a/tcp_client.py b/tcp_client.py
new file mode 100644
index 0000000..b2427f4
--- /dev/null
+++ b/tcp_client.py
@@ -0,0 +1,8 @@
+import socket
+
+client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+client.connect(('172.20.10.10', 10000))
+client.sendall(b'hello server')
+data = client.recv(1024)
+print(f"Ответ от сервера: {data.decode()}")
+client.close()
\ No newline at end of file
diff --git a/tcp_server.py b/tcp_server.py
new file mode 100644
index 0000000..8f14be6
--- /dev/null
+++ b/tcp_server.py
@@ -0,0 +1,21 @@
+import socket
+
+server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+server.bind(("0.0.0.0", 10000))
+server.listen(1)
+print("TCP сервер запущен")
+
+while True:
+
+    conn, addr = server.accept()
+    print(f"Подключение от {addr}")
+
+    data = conn.recv(1024)
+    if not data:
+        break
+    conn.sendall(data.upper())
+
+    conn.close()
+
+    if data.upper() == b'EXIT':
+        break
\ No newline at end of file
diff --git a/udp_chat.py b/udp_chat.py
new file mode 100644
index 0000000..ec431b2
--- /dev/null
+++ b/udp_chat.py
@@ -0,0 +1,46 @@
+import socket
+import threading
+
+# Константы
+BROADCAST_IP = "255.255.255.255"
+PORT = 10000
+BUFFER_SIZE = 1024
+
+def send_messages(sock, username):
+    while True:
+        message = input()
+        if message.startswith("/pm"):
+            try:
+                _, target_ip, private_message = message.split(" ", 2)
+                sock.sendto(f"PM {username}: {private_message}".encode(), (target_ip, PORT))
+            except ValueError:
+                print("Неверный формат команды. Используйте: /pm <ip> <сообщение>")
+        else:
+            sock.sendto(f"BC {username}: {message}".encode(), (BROADCAST_IP, PORT))
+
+def receive_messages(sock):
+    while True:
+        data, addr = sock.recvfrom(BUFFER_SIZE)
+        message = data.decode()
+        if addr[0] != socket.gethostbyname(socket.gethostname()):
+            print(f"[{addr[0]}] {message}")
+
+# Настройка сокета
+sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
+
+# Привязка к порту
+sock.bind(("", PORT))
+
+# Имя пользователя
+username = input("Введите ваше имя: ")
+
+# Запуск потоков для отправки и получения сообщений
+send_thread = threading.Thread(target=send_messages, args=(sock, username))
+receive_thread = threading.Thread(target=receive_messages, args=(sock,))
+
+send_thread.start()
+receive_thread.start()
+
+send_thread.join()
+receive_thread.join()
\ No newline at end of file
diff --git a/udp_client.py b/udp_client.py
new file mode 100644
index 0000000..1e5cd30
--- /dev/null
+++ b/udp_client.py
@@ -0,0 +1,8 @@
+import socket
+
+client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+client.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
+client.sendto(b'hello server', ('255.255.255.255', 10001))
+data, _ = client.recvfrom(1024)
+print(f"Ответ от сервера: {data.decode()}")
+client.close()
\ No newline at end of file
diff --git a/udp_client_2.py b/udp_client_2.py
new file mode 100644
index 0000000..1e5cd30
--- /dev/null
+++ b/udp_client_2.py
@@ -0,0 +1,8 @@
+import socket
+
+client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+client.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
+client.sendto(b'hello server', ('255.255.255.255', 10001))
+data, _ = client.recvfrom(1024)
+print(f"Ответ от сервера: {data.decode()}")
+client.close()
\ No newline at end of file
diff --git a/udp_server.py b/udp_server.py
new file mode 100644
index 0000000..6d0dc06
--- /dev/null
+++ b/udp_server.py
@@ -0,0 +1,10 @@
+import socket
+
+server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+server.bind(('0.0.0.0', 10001))
+print("UDP сервер запущен")
+
+while True:
+    data, addr = server.recvfrom(1024)
+    print(f"Сообщение от {addr}: {data.decode()}")
+    server.sendto(data.upper(), addr)
\ No newline at end of file