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socket read/write timeout

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ed 2023-04-24 20:04:22 +00:00
parent 8675ff40f3
commit 03193de6d0
4 changed files with 20 additions and 12 deletions
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6
copyparty/__main__.py
View file

@ -619,9 +619,9 @@ def get_sects():
\033[32macid\033[0m = extremely safe but slow; the old default. Should never lose any data no matter what
\033[32mswal\033[0m = 2.4x faster uploads yet 99.9%% as safe -- theoretical chance of losing metadata for the ~200 most recently uploaded files if there's a power-loss or your OS crashes
\033[32mswal\033[0m = 2.4x faster uploads yet 99.9% as safe -- theoretical chance of losing metadata for the ~200 most recently uploaded files if there's a power-loss or your OS crashes
\033[32mwal\033[0m = another 21x faster on HDDs yet 90%% as safe; same pitfall as \033[33mswal\033[0m except more likely
\033[32mwal\033[0m = another 21x faster on HDDs yet 90% as safe; same pitfall as \033[33mswal\033[0m except more likely
\033[32myolo\033[0m = another 1.5x faster, and removes the occasional sudden upload-pause while the disk syncs, but now you're at risk of losing the entire database in a powerloss / OS-crash
@ -710,6 +710,8 @@ def add_network(ap):
ap2.add_argument("--reuseaddr", action="store_true", help="set reuseaddr on listening sockets on windows; allows rapid restart of copyparty at the expense of being able to accidentally start multiple instances")
else:
ap2.add_argument("--freebind", action="store_true", help="allow listening on IPs which do not yet exist, for example if the network interfaces haven't finished going up. Only makes sense for IPs other than '0.0.0.0', '127.0.0.1', '::', and '::1'. May require running as root (unless net.ipv6.ip_nonlocal_bind)")
ap2.add_argument("--s-thead", metavar="SEC", type=int, default=120, help="socket timeout (read request header)")
ap2.add_argument("--s-tbody", metavar="SEC", type=float, default=186, help="socket timeout (read/write request/response bodies). Use 60 on fast servers (default is extremely safe). Disable with 0 if reverse-proxied for a 2%% speed boost")
ap2.add_argument("--s-wr-sz", metavar="B", type=int, default=256*1024, help="socket write size in bytes")
ap2.add_argument("--s-wr-slp", metavar="SEC", type=float, default=0, help="debug: socket write delay in seconds")
ap2.add_argument("--rsp-slp", metavar="SEC", type=float, default=0, help="debug: response delay in seconds")

7
copyparty/httpcli.py
View file

@ -219,7 +219,7 @@ class HttpCli(object):
try:
self.s.settimeout(2)
headerlines = read_header(self.sr)
headerlines = read_header(self.sr, self.args.s_thead, self.args.s_thead)
self.in_hdr_recv = False
if not headerlines:
return False
@ -416,6 +416,8 @@ class HttpCli(object):
self.can_upget,
) = self.asrv.vfs.can_access(self.vpath, self.uname)
self.s.settimeout(self.args.s_tbody or None)
try:
cors_k = self._cors()
if self.mode in ("GET", "HEAD"):
@ -558,7 +560,6 @@ class HttpCli(object):
try:
# best practice to separate headers and body into different packets
self.s.settimeout(None)
self.s.sendall("\r\n".join(response).encode("utf-8") + b"\r\n\r\n")
except:
raise Pebkac(400, "client d/c while replying headers")
@ -1206,7 +1207,6 @@ class HttpCli(object):
if self.headers.get("expect", "").lower() == "100-continue":
try:
self.s.settimeout(None)
self.s.sendall(b"HTTP/1.1 100 Continue\r\n\r\n")
except:
raise Pebkac(400, "client d/c before 100 continue")
@ -1218,7 +1218,6 @@ class HttpCli(object):
if self.headers.get("expect", "").lower() == "100-continue":
try:
self.s.settimeout(None)
self.s.sendall(b"HTTP/1.1 100 Continue\r\n\r\n")
except:
raise Pebkac(400, "client d/c before 100 continue")

16
copyparty/util.py
View file

@ -537,7 +537,7 @@ class _Unrecv(object):
self.log = log
self.buf: bytes = b""
def recv(self, nbytes: int) -> bytes:
def recv(self, nbytes: int, spins: int = 1) -> bytes:
if self.buf:
ret = self.buf[:nbytes]
self.buf = self.buf[nbytes:]
@ -548,6 +548,10 @@ class _Unrecv(object):
ret = self.s.recv(nbytes)
break
except socket.timeout:
spins -= 1
if spins <= 0:
ret = b""
break
continue
except:
ret = b""
@ -590,7 +594,7 @@ class _LUnrecv(object):
self.log = log
self.buf = b""
def recv(self, nbytes: int) -> bytes:
def recv(self, nbytes: int, spins: int) -> bytes:
if self.buf:
ret = self.buf[:nbytes]
self.buf = self.buf[nbytes:]
@ -1292,7 +1296,7 @@ class MultipartParser(object):
rfc1341/rfc1521/rfc2047/rfc2231/rfc2388/rfc6266/the-real-world
(only the fallback non-js uploader relies on these filenames)
"""
for ln in read_header(self.sr):
for ln in read_header(self.sr, 2, 2592000):
self.log(ln)
m = self.re_ctype.match(ln)
@ -1492,15 +1496,15 @@ def get_boundary(headers: dict[str, str]) -> str:
return m.group(2)
def read_header(sr: Unrecv) -> list[str]:
def read_header(sr: Unrecv, t_idle: int, t_tot: int) -> list[str]:
t0 = time.time()
ret = b""
while True:
if time.time() - t0 > 120:
if time.time() - t0 >= t_tot:
return []
try:
ret += sr.recv(1024)
ret += sr.recv(1024, t_idle // 2)
except:
if not ret:
return []

3
tests/util.py
View file

@ -107,6 +107,9 @@ class Cfg(Namespace):
ex = "css_browser hist js_browser no_forget no_hash no_idx"
ka.update(**{k: None for k in ex.split()})
ex = "s_thead s_tbody"
ka.update(**{k: 9 for k in ex.split()})
ex = "df loris re_maxage rproxy rsp_jtr rsp_slp s_wr_slp theme themes turbo"
ka.update(**{k: 0 for k in ex.split()})