Mercurial > hg
view mercurial/sshserver.py @ 14252:19067884c5f5
revlog: calculate base revisions iteratively
This is in preparation for generaldelta, where the revlog entry base field is
reinterpreted as the deltaparent. For that reason we also rename the base
function to chainbase.
Without generaldelta, performance is unaffected, but generaldelta will suffer
from this in _addrevision, since delta chains will be walked repeatedly.
A cache has been added to eliminate this problem completely.
author | Sune Foldager <cryo@cyanite.org> |
---|---|
date | Sat, 07 May 2011 22:40:14 +0200 |
parents | 659f34b833b9 |
children | afccc64eea73 |
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# sshserver.py - ssh protocol server support for mercurial # # Copyright 2005-2007 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. import util, hook, wireproto, changegroup import os, sys class sshserver(object): def __init__(self, ui, repo): self.ui = ui self.repo = repo self.lock = None self.fin = sys.stdin self.fout = sys.stdout hook.redirect(True) sys.stdout = sys.stderr # Prevent insertion/deletion of CRs util.setbinary(self.fin) util.setbinary(self.fout) def getargs(self, args): data = {} keys = args.split() for n in xrange(len(keys)): argline = self.fin.readline()[:-1] arg, l = argline.split() if arg not in keys: raise util.Abort("unexpected parameter %r" % arg) if arg == '*': star = {} for k in xrange(int(l)): argline = self.fin.readline()[:-1] arg, l = argline.split() val = self.fin.read(int(l)) star[arg] = val data['*'] = star else: val = self.fin.read(int(l)) data[arg] = val return [data[k] for k in keys] def getarg(self, name): return self.getargs(name)[0] def getfile(self, fpout): self.sendresponse('') count = int(self.fin.readline()) while count: fpout.write(self.fin.read(count)) count = int(self.fin.readline()) def redirect(self): pass def groupchunks(self, changegroup): while True: d = changegroup.read(4096) if not d: break yield d def sendresponse(self, v): self.fout.write("%d\n" % len(v)) self.fout.write(v) self.fout.flush() def sendstream(self, source): for chunk in source.gen: self.fout.write(chunk) self.fout.flush() def sendpushresponse(self, rsp): self.sendresponse('') self.sendresponse(str(rsp.res)) def sendpusherror(self, rsp): self.sendresponse(rsp.res) def serve_forever(self): try: while self.serve_one(): pass finally: if self.lock is not None: self.lock.release() sys.exit(0) handlers = { str: sendresponse, wireproto.streamres: sendstream, wireproto.pushres: sendpushresponse, wireproto.pusherr: sendpusherror, } def serve_one(self): cmd = self.fin.readline()[:-1] if cmd and cmd in wireproto.commands: rsp = wireproto.dispatch(self.repo, self, cmd) self.handlers[rsp.__class__](self, rsp) elif cmd: impl = getattr(self, 'do_' + cmd, None) if impl: r = impl() if r is not None: self.sendresponse(r) else: self.sendresponse("") return cmd != '' def do_lock(self): '''DEPRECATED - allowing remote client to lock repo is not safe''' self.lock = self.repo.lock() return "" def do_unlock(self): '''DEPRECATED''' if self.lock: self.lock.release() self.lock = None return "" def do_addchangegroup(self): '''DEPRECATED''' if not self.lock: self.sendresponse("not locked") return self.sendresponse("") cg = changegroup.unbundle10(self.fin, "UN") r = self.repo.addchangegroup(cg, 'serve', self._client(), lock=self.lock) return str(r) def _client(self): client = os.environ.get('SSH_CLIENT', '').split(' ', 1)[0] return 'remote:ssh:' + client