tags-cache: skip the filternode step if we are not going to use it
When warming the hgtagsfnodescache, we don't need the actual result, so we can
simply skip the part that "filter" fnode we read from the cache. So provide a
quite visible speed up to the top level `hg debugupdatecache` function.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.debug.debug-update-cache
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.pre-state = warm
before: 19.947581
after: 18.916804 (-5.17%, -1.03)
#!/usr/bin/env python
"""dummy SMTP server for use in tests"""
import optparse
import os
import socket
import ssl
import sys
from mercurial import (
pycompat,
server,
sslutil,
ui as uimod,
)
if os.environ.get('HGIPV6', '0') == '1':
family = socket.AF_INET6
else:
family = socket.AF_INET
def log(msg):
sys.stdout.write(msg)
sys.stdout.flush()
def mocksmtpserversession(conn, addr):
conn.send(b'220 smtp.example.com ESMTP\r\n')
line = conn.recv(1024)
if not line.lower().startswith(b'ehlo '):
log('no hello: %s\n' % line)
return
conn.send(b'250 Hello\r\n')
line = conn.recv(1024)
if not line.lower().startswith(b'mail from:'):
log('no mail from: %s\n' % line)
return
mailfrom = line[10:].decode().rstrip()
if mailfrom.startswith('<') and mailfrom.endswith('>'):
mailfrom = mailfrom[1:-1]
conn.send(b'250 Ok\r\n')
rcpttos = []
while True:
line = conn.recv(1024)
if not line.lower().startswith(b'rcpt to:'):
break
rcptto = line[8:].decode().rstrip()
if rcptto.startswith('<') and rcptto.endswith('>'):
rcptto = rcptto[1:-1]
rcpttos.append(rcptto)
conn.send(b'250 Ok\r\n')
if not line.lower().strip() == b'data':
log('no rcpt to or data: %s' % line)
conn.send(b'354 Go ahead\r\n')
data = b''
while True:
line = conn.recv(1024)
if not line:
log('connection closed before end of data')
break
data += line
if data.endswith(b'\r\n.\r\n'):
data = data[:-5]
break
conn.send(b'250 Ok\r\n')
log(
'%s from=%s to=%s\n%s\n'
% (addr[0], mailfrom, ', '.join(rcpttos), data.decode())
)
def run(host, port, certificate):
ui = uimod.ui.load()
with socket.socket(family, socket.SOCK_STREAM) as s:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.bind((host, port))
# log('listening at %s:%d\n' % (host, port))
s.listen(1)
try:
while True:
conn, addr = s.accept()
if certificate:
try:
conn = sslutil.wrapserversocket(
conn, ui, certfile=certificate
)
except ssl.SSLError as e:
log('%s ssl error: %s\n' % (addr[0], e))
conn.close()
continue
log("connection from %s:%s\n" % addr)
mocksmtpserversession(conn, addr)
conn.close()
except KeyboardInterrupt:
pass
def _encodestrsonly(v):
if isinstance(v, type(u'')):
return v.encode('ascii')
return v
def bytesvars(obj):
unidict = vars(obj)
bd = {k.encode('ascii'): _encodestrsonly(v) for k, v in unidict.items()}
if bd[b'daemon_postexec'] is not None:
bd[b'daemon_postexec'] = [
_encodestrsonly(v) for v in bd[b'daemon_postexec']
]
return bd
def main():
op = optparse.OptionParser()
op.add_option('-d', '--daemon', action='store_true')
op.add_option('--daemon-postexec', action='append')
op.add_option('-p', '--port', type=int, default=8025)
op.add_option('-a', '--address', default='localhost')
op.add_option('--pid-file', metavar='FILE')
op.add_option('--tls', choices=['none', 'smtps'], default='none')
op.add_option('--certificate', metavar='FILE')
op.add_option('--logfile', metavar='FILE')
opts, args = op.parse_args()
if (opts.tls == 'smtps') != bool(opts.certificate):
op.error('--certificate must be specified with --tls=smtps')
server.runservice(
bytesvars(opts),
runfn=lambda: run(opts.address, opts.port, opts.certificate),
runargs=[pycompat.sysexecutable, pycompat.fsencode(__file__)]
+ pycompat.sysargv[1:],
logfile=opts.logfile,
)
if __name__ == '__main__':
main()