copyparty/copyparty/httpsrv.py
2019-06-12 16:39:43 +00:00

91 lines
2.6 KiB
Python

#!/usr/bin/env python
# coding: utf-8
from __future__ import print_function, unicode_literals
import time
import threading
from .httpconn import HttpConn
from .authsrv import AuthSrv
class HttpSrv(object):
"""
handles incoming connections using HttpConn to process http,
relying on MpSrv for performance (HttpSrv is just plain threads)
"""
def __init__(self, args, log_func):
self.log = log_func
self.args = args
self.disconnect_func = None
self.mutex = threading.Lock()
self.clients = {}
self.workload = 0
self.workload_thr_alive = False
self.auth = AuthSrv(args, log_func)
def accept(self, sck, addr):
"""takes an incoming tcp connection and creates a thread to handle it"""
thr = threading.Thread(target=self.thr_client, args=(sck, addr, self.log))
thr.daemon = True
thr.start()
def num_clients(self):
with self.mutex:
return len(self.clients)
def shutdown(self):
print("ok bye")
def thr_client(self, sck, addr, log):
"""thread managing one tcp client"""
cli = HttpConn(sck, addr, self.args, self.auth, log)
with self.mutex:
self.clients[cli] = 0
self.workload += 50
if not self.workload_thr_alive:
self.workload_thr_alive = True
thr = threading.Thread(target=self.thr_workload)
thr.daemon = True
thr.start()
try:
cli.run()
finally:
with self.mutex:
del self.clients[cli]
if self.disconnect_func:
self.disconnect_func(addr) # pylint: disable=not-callable
def thr_workload(self):
"""indicates the python interpreter workload caused by this HttpSrv"""
# avoid locking in extract_filedata by tracking difference here
while True:
time.sleep(0.2)
with self.mutex:
if not self.clients:
# no clients rn, termiante thread
self.workload_thr_alive = False
self.workload = 0
return
total = 0
with self.mutex:
for cli in self.clients.keys():
now = cli.workload
delta = now - self.clients[cli]
if delta < 0:
# was reset in HttpCli to prevent overflow
delta = now
total += delta
self.clients[cli] = now
self.workload = total