fishbook/fishbook_server/server.py

46 lines
1.4 KiB
Python
Executable File

import sys
import socket
import selectors
import traceback
import fishbook_server.libserver as libserver
sel = selectors.DefaultSelector()
def accept_wrapper(sock):
conn, addr = sock.accept() # Should be ready to read
# print("accepted connection from", addr)
conn.setblocking(False)
message = libserver.Message(sel, conn, addr)
sel.register(conn, selectors.EVENT_READ, data=message)
def runserver(host, port):
lsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# Avoid bind() exception: OSError: [Errno 48] Address already in use
lsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
lsock.bind((host, port))
lsock.listen()
print("listening on", (host, port))
lsock.setblocking(False)
sel.register(lsock, selectors.EVENT_READ, data=None)
try:
while True:
events = sel.select(timeout=None)
for key, mask in events:
if key.data is None:
accept_wrapper(key.fileobj)
else:
message = key.data
try:
message.process_events(mask)
except Exception:
print("main: error: exception for",
f"{message.addr}:\n{traceback.format_exc()}",)
message.close()
except KeyboardInterrupt:
print("caught keyboard interrupt, exiting")
finally:
sel.close()