65 lines
1.6 KiB
Python
Executable File
65 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python
|
|
"""
|
|
Socket HOST.
|
|
"""
|
|
|
|
import socket
|
|
import threading
|
|
|
|
HEADER = 64
|
|
PORT = 5050
|
|
|
|
def get_host():
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
try:
|
|
# doesn't have to be reachable
|
|
s.connect(('10.255.255.255', 1))
|
|
host = s.getsockname()[0]
|
|
except Exception:
|
|
host = '127.0.0.1'
|
|
finally:
|
|
s.close()
|
|
return host
|
|
|
|
# HOST = socket.gethostbyname(socket.gethostname())
|
|
print("before get host by name")
|
|
HOST = get_host()
|
|
print(HOST)
|
|
ADDR = (HOST, PORT)
|
|
FORMAT = 'utf-8'
|
|
DISCONNECT_MESSAGE = '!DISCONNECT'
|
|
|
|
HOST = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
HOST.bind(ADDR)
|
|
|
|
def handle_client(conn, addr):
|
|
"""Deal with one client."""
|
|
print(f"[NEW CONNECTION] {addr} connected.")
|
|
while True:
|
|
msg_length = conn.recv(HEADER).decode(FORMAT)
|
|
if not msg_length:
|
|
continue
|
|
msg_length = int(msg_length)
|
|
msg = conn.recv(msg_length).decode(FORMAT)
|
|
print(f"[{addr}] {msg}")
|
|
if msg == DISCONNECT_MESSAGE:
|
|
break
|
|
conn.send("Msg received".encode(FORMAT))
|
|
|
|
conn.close()
|
|
print(f"[NEW CONNECTION] {addr} disconnected.")
|
|
|
|
def start():
|
|
"""Start the HOST."""
|
|
HOST.listen()
|
|
print(f"[LISTENING] HOST listening on {HOST}")
|
|
while True:
|
|
conn, addr = HOST.accept()
|
|
thread = threading.Thread(target=handle_client, args=(conn, addr))
|
|
thread.start()
|
|
print(f"[ACTIVE CONNECTIONS] {threading.activeCount() - 1}")
|
|
|
|
if __name__ == "__main__":
|
|
print("[STARTING] HOST is starting ...")
|
|
start()
|