Mercurial > hg
view mercurial/httppeer.py @ 21883:87aa279f7073
largefiles: show also how many data entities are outgoing at "hg outgoing"
Before this patch, "hg outgoing --large" shows which largefiles are
changed or added in outgoing revisions only in the point of the view
of filenames.
For example, according to the list of outgoing largefiles shown in "hg
outgoing" output, users should expect that the former below costs much
more to upload outgoing largefiles than the latter.
- outgoing revisions add a hundred largefiles, but all of them refer
the same data entity
in this case, only one data entity is outgoing, even though "hg
summary" says that a hundred largefiles are outgoing.
- a hundred outgoing revisions change only one largefile with
distinct data
in this case, a hundred data entities are outgoing, even though
"hg summary" says that only one largefile is outgoing.
But the latter costs much more than the former, in fact.
This patch shows also how many data entities are outgoing at "hg
outgoing" by counting number of unique hash values for outgoing
largefiles.
When "--debug" is specified, this patch also shows what entities (in
hash) are outgoing for each largefiles listed up, for debug purpose.
In "ui.debugflag" route, "addfunc()" can append given "lfhash" to the
list "toupload[fn]" always without duplication check, because
de-duplication is already done in "_getoutgoings()".
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Mon, 07 Jul 2014 18:45:46 +0900 |
parents | d36440d84328 |
children | cde6904f1992 |
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# httppeer.py - HTTP repository proxy classes for mercurial # # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from node import nullid from i18n import _ import tempfile import changegroup, statichttprepo, error, httpconnection, url, util, wireproto import os, urllib, urllib2, zlib, httplib import errno, socket def zgenerator(f): zd = zlib.decompressobj() try: for chunk in util.filechunkiter(f): while chunk: yield zd.decompress(chunk, 2**18) chunk = zd.unconsumed_tail except httplib.HTTPException: raise IOError(None, _('connection ended unexpectedly')) yield zd.flush() class httppeer(wireproto.wirepeer): def __init__(self, ui, path): self.path = path self.caps = None self.handler = None self.urlopener = None u = util.url(path) if u.query or u.fragment: raise util.Abort(_('unsupported URL component: "%s"') % (u.query or u.fragment)) # urllib cannot handle URLs with embedded user or passwd self._url, authinfo = u.authinfo() self.ui = ui self.ui.debug('using %s\n' % self._url) self.urlopener = url.opener(ui, authinfo) def __del__(self): if self.urlopener: for h in self.urlopener.handlers: h.close() getattr(h, "close_all", lambda : None)() def url(self): return self.path # look up capabilities only when needed def _fetchcaps(self): self.caps = set(self._call('capabilities').split()) def _capabilities(self): if self.caps is None: try: self._fetchcaps() except error.RepoError: self.caps = set() self.ui.debug('capabilities: %s\n' % (' '.join(self.caps or ['none']))) return self.caps def lock(self): raise util.Abort(_('operation not supported over http')) def _callstream(self, cmd, **args): if cmd == 'pushkey': args['data'] = '' data = args.pop('data', None) size = 0 if util.safehasattr(data, 'length'): size = data.length elif data is not None: size = len(data) headers = args.pop('headers', {}) if data is not None and 'Content-Type' not in headers: headers['Content-Type'] = 'application/mercurial-0.1' if size and self.ui.configbool('ui', 'usehttp2', False): headers['Expect'] = '100-Continue' headers['X-HgHttp2'] = '1' self.ui.debug("sending %s command\n" % cmd) q = [('cmd', cmd)] headersize = 0 if len(args) > 0: httpheader = self.capable('httpheader') if httpheader: headersize = int(httpheader.split(',')[0]) if headersize > 0: # The headers can typically carry more data than the URL. encargs = urllib.urlencode(sorted(args.items())) headerfmt = 'X-HgArg-%s' contentlen = headersize - len(headerfmt % '000' + ': \r\n') headernum = 0 for i in xrange(0, len(encargs), contentlen): headernum += 1 header = headerfmt % str(headernum) headers[header] = encargs[i:i + contentlen] varyheaders = [headerfmt % str(h) for h in range(1, headernum + 1)] headers['Vary'] = ','.join(varyheaders) else: q += sorted(args.items()) qs = '?%s' % urllib.urlencode(q) cu = "%s%s" % (self._url, qs) req = urllib2.Request(cu, data, headers) if data is not None: self.ui.debug("sending %s bytes\n" % size) req.add_unredirected_header('Content-Length', '%d' % size) try: resp = self.urlopener.open(req) except urllib2.HTTPError, inst: if inst.code == 401: raise util.Abort(_('authorization failed')) raise except httplib.HTTPException, inst: self.ui.debug('http error while sending %s command\n' % cmd) self.ui.traceback() raise IOError(None, inst) except IndexError: # this only happens with Python 2.3, later versions raise URLError raise util.Abort(_('http error, possibly caused by proxy setting')) # record the url we got redirected to resp_url = resp.geturl() if resp_url.endswith(qs): resp_url = resp_url[:-len(qs)] if self._url.rstrip('/') != resp_url.rstrip('/'): if not self.ui.quiet: self.ui.warn(_('real URL is %s\n') % resp_url) self._url = resp_url try: proto = resp.getheader('content-type') except AttributeError: proto = resp.headers.get('content-type', '') safeurl = util.hidepassword(self._url) if proto.startswith('application/hg-error'): raise error.OutOfBandError(resp.read()) # accept old "text/plain" and "application/hg-changegroup" for now if not (proto.startswith('application/mercurial-') or (proto.startswith('text/plain') and not resp.headers.get('content-length')) or proto.startswith('application/hg-changegroup')): self.ui.debug("requested URL: '%s'\n" % util.hidepassword(cu)) raise error.RepoError( _("'%s' does not appear to be an hg repository:\n" "---%%<--- (%s)\n%s\n---%%<---\n") % (safeurl, proto or 'no content-type', resp.read(1024))) if proto.startswith('application/mercurial-'): try: version = proto.split('-', 1)[1] version_info = tuple([int(n) for n in version.split('.')]) except ValueError: raise error.RepoError(_("'%s' sent a broken Content-Type " "header (%s)") % (safeurl, proto)) if version_info > (0, 1): raise error.RepoError(_("'%s' uses newer protocol %s") % (safeurl, version)) return resp def _call(self, cmd, **args): fp = self._callstream(cmd, **args) try: return fp.read() finally: # if using keepalive, allow connection to be reused fp.close() def _callpush(self, cmd, cg, **args): # have to stream bundle to a temp file because we do not have # http 1.1 chunked transfer. types = self.capable('unbundle') try: types = types.split(',') except AttributeError: # servers older than d1b16a746db6 will send 'unbundle' as a # boolean capability. They only support headerless/uncompressed # bundles. types = [""] for x in types: if x in changegroup.bundletypes: type = x break tempname = changegroup.writebundle(cg, None, type) fp = httpconnection.httpsendfile(self.ui, tempname, "rb") headers = {'Content-Type': 'application/mercurial-0.1'} try: try: r = self._call(cmd, data=fp, headers=headers, **args) vals = r.split('\n', 1) if len(vals) < 2: raise error.ResponseError(_("unexpected response:"), r) return vals except socket.error, err: if err.args[0] in (errno.ECONNRESET, errno.EPIPE): raise util.Abort(_('push failed: %s') % err.args[1]) raise util.Abort(err.args[1]) finally: fp.close() os.unlink(tempname) def _calltwowaystream(self, cmd, fp, **args): fh = None filename = None try: # dump bundle to disk fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg") fh = os.fdopen(fd, "wb") d = fp.read(4096) while d: fh.write(d) d = fp.read(4096) fh.close() # start http push fp = httpconnection.httpsendfile(self.ui, filename, "rb") headers = {'Content-Type': 'application/mercurial-0.1'} return self._callstream(cmd, data=fp, headers=headers, **args) finally: if fh is not None: fh.close() os.unlink(filename) def _callcompressable(self, cmd, **args): stream = self._callstream(cmd, **args) return util.chunkbuffer(zgenerator(stream)) def _abort(self, exception): raise exception class httpspeer(httppeer): def __init__(self, ui, path): if not url.has_https: raise util.Abort(_('Python support for SSL and HTTPS ' 'is not installed')) httppeer.__init__(self, ui, path) def instance(ui, path, create): if create: raise util.Abort(_('cannot create new http repository')) try: if path.startswith('https:'): inst = httpspeer(ui, path) else: inst = httppeer(ui, path) try: # Try to do useful work when checking compatibility. # Usually saves a roundtrip since we want the caps anyway. inst._fetchcaps() except error.RepoError: # No luck, try older compatibility check. inst.between([(nullid, nullid)]) return inst except error.RepoError, httpexception: try: r = statichttprepo.instance(ui, "static-" + path, create) ui.note('(falling back to static-http)\n') return r except error.RepoError: raise httpexception # use the original http RepoError instead