mirror of
https://github.com/9001/copyparty.git
synced 2025-08-18 09:22:31 -06:00
337 lines
10 KiB
Python
337 lines
10 KiB
Python
# coding: utf-8
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from __future__ import print_function, unicode_literals
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import os
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import sys
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import time
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import math
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import base64
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import socket
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import threading
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try:
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import jinja2
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except ImportError:
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print(
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"""\033[1;31m
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you do not have jinja2 installed,\033[33m
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choose one of these:\033[0m
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* apt install python-jinja2
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* {} -m pip install --user jinja2
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* (try another python version, if you have one)
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* (try copyparty.sfx instead)
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""".format(
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os.path.basename(sys.executable)
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)
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)
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sys.exit(1)
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from .__init__ import E, PY2, MACOS
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from .util import FHC, spack, min_ex, start_stackmon, start_log_thrs
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from .bos import bos
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from .httpconn import HttpConn
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if PY2:
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import Queue as queue
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else:
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import queue
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class HttpSrv(object):
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"""
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handles incoming connections using HttpConn to process http,
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relying on MpSrv for performance (HttpSrv is just plain threads)
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"""
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def __init__(self, broker, nid):
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self.broker = broker
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self.nid = nid
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self.args = broker.args
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self.log = broker.log
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self.asrv = broker.asrv
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nsuf = "-n{}-i{:x}".format(nid, os.getpid()) if nid else ""
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self.name = "hsrv" + nsuf
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self.mutex = threading.Lock()
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self.stopping = False
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self.tp_nthr = 0 # actual
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self.tp_ncli = 0 # fading
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self.tp_time = None # latest worker collect
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self.tp_q = None if self.args.no_htp else queue.LifoQueue()
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self.t_periodic = None
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self.u2fh = FHC()
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self.srvs = []
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self.ncli = 0 # exact
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self.clients = {} # laggy
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self.nclimax = 0
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self.cb_ts = 0
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self.cb_v = 0
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env = jinja2.Environment()
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env.loader = jinja2.FileSystemLoader(os.path.join(E.mod, "web"))
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self.j2 = {
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x: env.get_template(x + ".html")
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for x in ["splash", "browser", "browser2", "msg", "md", "mde"]
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}
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cert_path = os.path.join(E.cfg, "cert.pem")
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if bos.path.exists(cert_path):
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self.cert_path = cert_path
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else:
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self.cert_path = None
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if self.tp_q:
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self.start_threads(4)
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if nid:
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if self.args.stackmon:
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start_stackmon(self.args.stackmon, nid)
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if self.args.log_thrs:
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start_log_thrs(self.log, self.args.log_thrs, nid)
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def start_threads(self, n):
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self.tp_nthr += n
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if self.args.log_htp:
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self.log(self.name, "workers += {} = {}".format(n, self.tp_nthr), 6)
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for _ in range(n):
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thr = threading.Thread(
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target=self.thr_poolw,
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name=self.name + "-poolw",
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)
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thr.daemon = True
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thr.start()
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def stop_threads(self, n):
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self.tp_nthr -= n
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if self.args.log_htp:
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self.log(self.name, "workers -= {} = {}".format(n, self.tp_nthr), 6)
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for _ in range(n):
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self.tp_q.put(None)
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def periodic(self):
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while True:
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time.sleep(2 if self.tp_ncli or self.ncli else 10)
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with self.mutex:
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self.u2fh.clean()
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if self.tp_q:
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self.tp_ncli = max(self.ncli, self.tp_ncli - 2)
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if self.tp_nthr > self.tp_ncli + 8:
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self.stop_threads(4)
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if not self.ncli and not self.u2fh.cache and self.tp_nthr <= 8:
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self.t_periodic = None
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return
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def listen(self, sck, nlisteners):
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ip, port = sck.getsockname()
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self.srvs.append(sck)
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self.nclimax = math.ceil(self.args.nc * 1.0 / nlisteners)
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t = threading.Thread(
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target=self.thr_listen,
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args=(sck,),
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name="httpsrv-n{}-listen-{}-{}".format(self.nid or "0", ip, port),
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)
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t.daemon = True
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t.start()
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def thr_listen(self, srv_sck):
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"""listens on a shared tcp server"""
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ip, port = srv_sck.getsockname()
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fno = srv_sck.fileno()
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msg = "subscribed @ {}:{} f{}".format(ip, port, fno)
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self.log(self.name, msg)
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self.broker.put(False, "cb_httpsrv_up")
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while not self.stopping:
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if self.args.log_conn:
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self.log(self.name, "|%sC-ncli" % ("-" * 1,), c="1;30")
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if self.ncli >= self.nclimax:
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self.log(self.name, "at connection limit; waiting", 3)
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while self.ncli >= self.nclimax:
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time.sleep(0.1)
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if self.args.log_conn:
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self.log(self.name, "|%sC-acc1" % ("-" * 2,), c="1;30")
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try:
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sck, addr = srv_sck.accept()
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except (OSError, socket.error) as ex:
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self.log(self.name, "accept({}): {}".format(fno, ex), c=6)
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time.sleep(0.02)
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continue
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if self.args.log_conn:
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m = "|{}C-acc2 \033[0;36m{} \033[3{}m{}".format(
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"-" * 3, ip, port % 8, port
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)
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self.log("%s %s" % addr, m, c="1;30")
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self.accept(sck, addr)
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def accept(self, sck, addr):
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"""takes an incoming tcp connection and creates a thread to handle it"""
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now = time.time()
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if now - (self.tp_time or now) > 300:
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m = "httpserver threadpool died: tpt {:.2f}, now {:.2f}, nthr {}, ncli {}"
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self.log(self.name, m.format(self.tp_time, now, self.tp_nthr, self.ncli), 1)
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self.tp_time = None
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self.tp_q = None
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with self.mutex:
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self.ncli += 1
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if not self.t_periodic:
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name = "hsrv-pt"
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if self.nid:
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name += "-{}".format(self.nid)
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t = threading.Thread(target=self.periodic, name=name)
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self.t_periodic = t
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t.daemon = True
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t.start()
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if self.tp_q:
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self.tp_time = self.tp_time or now
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self.tp_ncli = max(self.tp_ncli, self.ncli)
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if self.tp_nthr < self.ncli + 4:
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self.start_threads(8)
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self.tp_q.put((sck, addr))
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return
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if not self.args.no_htp:
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m = "looks like the httpserver threadpool died; please make an issue on github and tell me the story of how you pulled that off, thanks and dog bless\n"
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self.log(self.name, m, 1)
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thr = threading.Thread(
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target=self.thr_client,
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args=(sck, addr),
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name="httpconn-{}-{}".format(addr[0].split(".", 2)[-1][-6:], addr[1]),
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)
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thr.daemon = True
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thr.start()
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def thr_poolw(self):
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while True:
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task = self.tp_q.get()
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if not task:
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break
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with self.mutex:
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self.tp_time = None
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try:
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sck, addr = task
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me = threading.current_thread()
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me.name = "httpconn-{}-{}".format(
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addr[0].split(".", 2)[-1][-6:], addr[1]
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)
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self.thr_client(sck, addr)
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me.name = self.name + "-poolw"
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except:
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self.log(self.name, "thr_client: " + min_ex(), 3)
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def shutdown(self):
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self.stopping = True
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for srv in self.srvs:
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try:
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srv.close()
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except:
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pass
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clients = list(self.clients.keys())
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for cli in clients:
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try:
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cli.shutdown()
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except:
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pass
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if self.tp_q:
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self.stop_threads(self.tp_nthr)
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for _ in range(10):
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time.sleep(0.05)
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if self.tp_q.empty():
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break
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self.log(self.name, "ok bye")
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def thr_client(self, sck, addr):
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"""thread managing one tcp client"""
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sck.settimeout(120)
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cli = HttpConn(sck, addr, self)
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with self.mutex:
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self.clients[cli] = 0
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fno = sck.fileno()
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try:
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if self.args.log_conn:
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self.log("%s %s" % addr, "|%sC-crun" % ("-" * 4,), c="1;30")
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cli.run()
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except (OSError, socket.error) as ex:
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if ex.errno not in [10038, 10054, 107, 57, 49, 9]:
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self.log(
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"%s %s" % addr,
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"run({}): {}".format(fno, ex),
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c=6,
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)
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finally:
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sck = cli.s
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if self.args.log_conn:
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self.log("%s %s" % addr, "|%sC-cdone" % ("-" * 5,), c="1;30")
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try:
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fno = sck.fileno()
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sck.shutdown(socket.SHUT_RDWR)
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sck.close()
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except (OSError, socket.error) as ex:
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if not MACOS:
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self.log(
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"%s %s" % addr,
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"shut({}): {}".format(fno, ex),
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c="1;30",
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)
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if ex.errno not in [10038, 10054, 107, 57, 49, 9]:
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# 10038 No longer considered a socket
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# 10054 Foribly closed by remote
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# 107 Transport endpoint not connected
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# 57 Socket is not connected
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# 49 Can't assign requested address (wifi down)
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# 9 Bad file descriptor
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raise
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finally:
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with self.mutex:
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del self.clients[cli]
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self.ncli -= 1
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def cachebuster(self):
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if time.time() - self.cb_ts < 1:
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return self.cb_v
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with self.mutex:
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if time.time() - self.cb_ts < 1:
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return self.cb_v
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v = E.t0
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try:
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with os.scandir(os.path.join(E.mod, "web")) as dh:
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for fh in dh:
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inf = fh.stat()
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v = max(v, inf.st_mtime)
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except:
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pass
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v = base64.urlsafe_b64encode(spack(b">xxL", int(v)))
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self.cb_v = v.decode("ascii")[-4:]
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self.cb_ts = time.time()
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return self.cb_v
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