tests/dummysmtpd.py
author Boris Feld <boris.feld@octobus.net>
Wed, 19 Sep 2018 21:02:47 +0200
changeset 39886 debc4ee597e7
parent 39029 78f1899e4202
child 43076 2372284d9457
permissions -rwxr-xr-x
revlog: add a callback "tracking" duplicate node addition If a changegroup contains node already added to the repository, they will be skipped. Skipping them is the right behavior (we don't need to store things twice), but it can hide some information to the code doing the unbundle (eg: shelve looking for the tip of the bundle). The first step to improve this situation is to add a low level callback. We do not need this tracking on all revlog, so actual tracking will be added in the next changeset.
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#!/usr/bin/env python
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"""dummy SMTP server for use in tests"""
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from __future__ import absolute_import
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import asyncore
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import optparse
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import smtpd
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import ssl
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import sys
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import traceback
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from mercurial import (
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    pycompat,
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    server,
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    sslutil,
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    ui as uimod,
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)
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def log(msg):
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    sys.stdout.write(msg)
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    sys.stdout.flush()
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class dummysmtpserver(smtpd.SMTPServer):
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    def __init__(self, localaddr):
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        smtpd.SMTPServer.__init__(self, localaddr, remoteaddr=None)
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    def process_message(self, peer, mailfrom, rcpttos, data, **kwargs):
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        log('%s from=%s to=%s\n' % (peer[0], mailfrom, ', '.join(rcpttos)))
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    def handle_error(self):
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        # On Windows, a bad SSL connection sometimes generates a WSAECONNRESET.
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        # The default handler will shutdown this server, and then both the
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        # current connection and subsequent ones fail on the client side with
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        # "No connection could be made because the target machine actively
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        # refused it".  If we eat the error, then the client properly aborts in
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        # the expected way, and the server is available for subsequent requests.
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        traceback.print_exc()
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class dummysmtpsecureserver(dummysmtpserver):
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    def __init__(self, localaddr, certfile):
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        dummysmtpserver.__init__(self, localaddr)
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        self._certfile = certfile
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    def handle_accept(self):
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        pair = self.accept()
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        if not pair:
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            return
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        conn, addr = pair
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        ui = uimod.ui.load()
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        try:
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            # wrap_socket() would block, but we don't care
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            conn = sslutil.wrapserversocket(conn, ui, certfile=self._certfile)
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        except ssl.SSLError:
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            log('%s ssl error\n' % addr[0])
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            conn.close()
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            return
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        smtpd.SMTPChannel(self, conn, addr)
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def run():
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    try:
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        asyncore.loop()
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    except KeyboardInterrupt:
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        pass
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def _encodestrsonly(v):
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    if isinstance(v, type(u'')):
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        return v.encode('ascii')
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    return v
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def bytesvars(obj):
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    unidict = vars(obj)
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    bd = {k.encode('ascii'): _encodestrsonly(v) for k, v in unidict.items()}
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    if bd[b'daemon_postexec'] is not None:
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        bd[b'daemon_postexec'] = [
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            _encodestrsonly(v) for v in bd[b'daemon_postexec']]
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    return bd
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def main():
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    op = optparse.OptionParser()
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    op.add_option('-d', '--daemon', action='store_true')
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    op.add_option('--daemon-postexec', action='append')
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    op.add_option('-p', '--port', type=int, default=8025)
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    op.add_option('-a', '--address', default='localhost')
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    op.add_option('--pid-file', metavar='FILE')
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    op.add_option('--tls', choices=['none', 'smtps'], default='none')
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    op.add_option('--certificate', metavar='FILE')
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    opts, args = op.parse_args()
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    if opts.tls == 'smtps' and not opts.certificate:
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        op.error('--certificate must be specified')
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    addr = (opts.address, opts.port)
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    def init():
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        if opts.tls == 'none':
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            dummysmtpserver(addr)
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        else:
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            dummysmtpsecureserver(addr, opts.certificate)
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        log('listening at %s:%d\n' % addr)
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    server.runservice(
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        bytesvars(opts), initfn=init, runfn=run,
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        runargs=[pycompat.sysexecutable,
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                 pycompat.fsencode(__file__)] + pycompat.sysargv[1:])
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if __name__ == '__main__':
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    main()