|
|
# wireproto.py - generic wire protocol support functions
|
|
|
#
|
|
|
# Copyright 2005-2010 Matt Mackall <mpm@selenic.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 __future__ import absolute_import
|
|
|
|
|
|
import os
|
|
|
import sys
|
|
|
import tempfile
|
|
|
import urllib
|
|
|
|
|
|
from .i18n import _
|
|
|
from .node import (
|
|
|
bin,
|
|
|
hex,
|
|
|
)
|
|
|
|
|
|
from . import (
|
|
|
bundle2,
|
|
|
changegroup as changegroupmod,
|
|
|
encoding,
|
|
|
error,
|
|
|
exchange,
|
|
|
peer,
|
|
|
pushkey as pushkeymod,
|
|
|
util,
|
|
|
)
|
|
|
|
|
|
class abstractserverproto(object):
|
|
|
"""abstract class that summarizes the protocol API
|
|
|
|
|
|
Used as reference and documentation.
|
|
|
"""
|
|
|
|
|
|
def getargs(self, args):
|
|
|
"""return the value for arguments in <args>
|
|
|
|
|
|
returns a list of values (same order as <args>)"""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
def getfile(self, fp):
|
|
|
"""write the whole content of a file into a file like object
|
|
|
|
|
|
The file is in the form::
|
|
|
|
|
|
(<chunk-size>\n<chunk>)+0\n
|
|
|
|
|
|
chunk size is the ascii version of the int.
|
|
|
"""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
def redirect(self):
|
|
|
"""may setup interception for stdout and stderr
|
|
|
|
|
|
See also the `restore` method."""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
# If the `redirect` function does install interception, the `restore`
|
|
|
# function MUST be defined. If interception is not used, this function
|
|
|
# MUST NOT be defined.
|
|
|
#
|
|
|
# left commented here on purpose
|
|
|
#
|
|
|
#def restore(self):
|
|
|
# """reinstall previous stdout and stderr and return intercepted stdout
|
|
|
# """
|
|
|
# raise NotImplementedError()
|
|
|
|
|
|
def groupchunks(self, cg):
|
|
|
"""return 4096 chunks from a changegroup object
|
|
|
|
|
|
Some protocols may have compressed the contents."""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
class remotebatch(peer.batcher):
|
|
|
'''batches the queued calls; uses as few roundtrips as possible'''
|
|
|
def __init__(self, remote):
|
|
|
'''remote must support _submitbatch(encbatch) and
|
|
|
_submitone(op, encargs)'''
|
|
|
peer.batcher.__init__(self)
|
|
|
self.remote = remote
|
|
|
def submit(self):
|
|
|
req, rsp = [], []
|
|
|
for name, args, opts, resref in self.calls:
|
|
|
mtd = getattr(self.remote, name)
|
|
|
batchablefn = getattr(mtd, 'batchable', None)
|
|
|
if batchablefn is not None:
|
|
|
batchable = batchablefn(mtd.im_self, *args, **opts)
|
|
|
encargsorres, encresref = batchable.next()
|
|
|
if encresref:
|
|
|
req.append((name, encargsorres,))
|
|
|
rsp.append((batchable, encresref, resref,))
|
|
|
else:
|
|
|
resref.set(encargsorres)
|
|
|
else:
|
|
|
if req:
|
|
|
self._submitreq(req, rsp)
|
|
|
req, rsp = [], []
|
|
|
resref.set(mtd(*args, **opts))
|
|
|
if req:
|
|
|
self._submitreq(req, rsp)
|
|
|
def _submitreq(self, req, rsp):
|
|
|
encresults = self.remote._submitbatch(req)
|
|
|
for encres, r in zip(encresults, rsp):
|
|
|
batchable, encresref, resref = r
|
|
|
encresref.set(encres)
|
|
|
resref.set(batchable.next())
|
|
|
|
|
|
# Forward a couple of names from peer to make wireproto interactions
|
|
|
# slightly more sensible.
|
|
|
batchable = peer.batchable
|
|
|
future = peer.future
|
|
|
|
|
|
# list of nodes encoding / decoding
|
|
|
|
|
|
def decodelist(l, sep=' '):
|
|
|
if l:
|
|
|
return map(bin, l.split(sep))
|
|
|
return []
|
|
|
|
|
|
def encodelist(l, sep=' '):
|
|
|
try:
|
|
|
return sep.join(map(hex, l))
|
|
|
except TypeError:
|
|
|
raise
|
|
|
|
|
|
# batched call argument encoding
|
|
|
|
|
|
def escapearg(plain):
|
|
|
return (plain
|
|
|
.replace(':', ':c')
|
|
|
.replace(',', ':o')
|
|
|
.replace(';', ':s')
|
|
|
.replace('=', ':e'))
|
|
|
|
|
|
def unescapearg(escaped):
|
|
|
return (escaped
|
|
|
.replace(':e', '=')
|
|
|
.replace(':s', ';')
|
|
|
.replace(':o', ',')
|
|
|
.replace(':c', ':'))
|
|
|
|
|
|
# mapping of options accepted by getbundle and their types
|
|
|
#
|
|
|
# Meant to be extended by extensions. It is extensions responsibility to ensure
|
|
|
# such options are properly processed in exchange.getbundle.
|
|
|
#
|
|
|
# supported types are:
|
|
|
#
|
|
|
# :nodes: list of binary nodes
|
|
|
# :csv: list of comma-separated values
|
|
|
# :scsv: list of comma-separated values return as set
|
|
|
# :plain: string with no transformation needed.
|
|
|
gboptsmap = {'heads': 'nodes',
|
|
|
'common': 'nodes',
|
|
|
'obsmarkers': 'boolean',
|
|
|
'bundlecaps': 'scsv',
|
|
|
'listkeys': 'csv',
|
|
|
'cg': 'boolean'}
|
|
|
|
|
|
# client side
|
|
|
|
|
|
class wirepeer(peer.peerrepository):
|
|
|
|
|
|
def batch(self):
|
|
|
if self.capable('batch'):
|
|
|
return remotebatch(self)
|
|
|
else:
|
|
|
return peer.localbatch(self)
|
|
|
def _submitbatch(self, req):
|
|
|
cmds = []
|
|
|
for op, argsdict in req:
|
|
|
args = ','.join('%s=%s' % (escapearg(k), escapearg(v))
|
|
|
for k, v in argsdict.iteritems())
|
|
|
cmds.append('%s %s' % (op, args))
|
|
|
rsp = self._call("batch", cmds=';'.join(cmds))
|
|
|
return [unescapearg(r) for r in rsp.split(';')]
|
|
|
def _submitone(self, op, args):
|
|
|
return self._call(op, **args)
|
|
|
|
|
|
@batchable
|
|
|
def lookup(self, key):
|
|
|
self.requirecap('lookup', _('look up remote revision'))
|
|
|
f = future()
|
|
|
yield {'key': encoding.fromlocal(key)}, f
|
|
|
d = f.value
|
|
|
success, data = d[:-1].split(" ", 1)
|
|
|
if int(success):
|
|
|
yield bin(data)
|
|
|
self._abort(error.RepoError(data))
|
|
|
|
|
|
@batchable
|
|
|
def heads(self):
|
|
|
f = future()
|
|
|
yield {}, f
|
|
|
d = f.value
|
|
|
try:
|
|
|
yield decodelist(d[:-1])
|
|
|
except ValueError:
|
|
|
self._abort(error.ResponseError(_("unexpected response:"), d))
|
|
|
|
|
|
@batchable
|
|
|
def known(self, nodes):
|
|
|
f = future()
|
|
|
yield {'nodes': encodelist(nodes)}, f
|
|
|
d = f.value
|
|
|
try:
|
|
|
yield [bool(int(b)) for b in d]
|
|
|
except ValueError:
|
|
|
self._abort(error.ResponseError(_("unexpected response:"), d))
|
|
|
|
|
|
@batchable
|
|
|
def branchmap(self):
|
|
|
f = future()
|
|
|
yield {}, f
|
|
|
d = f.value
|
|
|
try:
|
|
|
branchmap = {}
|
|
|
for branchpart in d.splitlines():
|
|
|
branchname, branchheads = branchpart.split(' ', 1)
|
|
|
branchname = encoding.tolocal(urllib.unquote(branchname))
|
|
|
branchheads = decodelist(branchheads)
|
|
|
branchmap[branchname] = branchheads
|
|
|
yield branchmap
|
|
|
except TypeError:
|
|
|
self._abort(error.ResponseError(_("unexpected response:"), d))
|
|
|
|
|
|
def branches(self, nodes):
|
|
|
n = encodelist(nodes)
|
|
|
d = self._call("branches", nodes=n)
|
|
|
try:
|
|
|
br = [tuple(decodelist(b)) for b in d.splitlines()]
|
|
|
return br
|
|
|
except ValueError:
|
|
|
self._abort(error.ResponseError(_("unexpected response:"), d))
|
|
|
|
|
|
def between(self, pairs):
|
|
|
batch = 8 # avoid giant requests
|
|
|
r = []
|
|
|
for i in xrange(0, len(pairs), batch):
|
|
|
n = " ".join([encodelist(p, '-') for p in pairs[i:i + batch]])
|
|
|
d = self._call("between", pairs=n)
|
|
|
try:
|
|
|
r.extend(l and decodelist(l) or [] for l in d.splitlines())
|
|
|
except ValueError:
|
|
|
self._abort(error.ResponseError(_("unexpected response:"), d))
|
|
|
return r
|
|
|
|
|
|
@batchable
|
|
|
def pushkey(self, namespace, key, old, new):
|
|
|
if not self.capable('pushkey'):
|
|
|
yield False, None
|
|
|
f = future()
|
|
|
self.ui.debug('preparing pushkey for "%s:%s"\n' % (namespace, key))
|
|
|
yield {'namespace': encoding.fromlocal(namespace),
|
|
|
'key': encoding.fromlocal(key),
|
|
|
'old': encoding.fromlocal(old),
|
|
|
'new': encoding.fromlocal(new)}, f
|
|
|
d = f.value
|
|
|
d, output = d.split('\n', 1)
|
|
|
try:
|
|
|
d = bool(int(d))
|
|
|
except ValueError:
|
|
|
raise error.ResponseError(
|
|
|
_('push failed (unexpected response):'), d)
|
|
|
for l in output.splitlines(True):
|
|
|
self.ui.status(_('remote: '), l)
|
|
|
yield d
|
|
|
|
|
|
@batchable
|
|
|
def listkeys(self, namespace):
|
|
|
if not self.capable('pushkey'):
|
|
|
yield {}, None
|
|
|
f = future()
|
|
|
self.ui.debug('preparing listkeys for "%s"\n' % namespace)
|
|
|
yield {'namespace': encoding.fromlocal(namespace)}, f
|
|
|
d = f.value
|
|
|
self.ui.debug('received listkey for "%s": %i bytes\n'
|
|
|
% (namespace, len(d)))
|
|
|
yield pushkeymod.decodekeys(d)
|
|
|
|
|
|
def stream_out(self):
|
|
|
return self._callstream('stream_out')
|
|
|
|
|
|
def changegroup(self, nodes, kind):
|
|
|
n = encodelist(nodes)
|
|
|
f = self._callcompressable("changegroup", roots=n)
|
|
|
return changegroupmod.cg1unpacker(f, 'UN')
|
|
|
|
|
|
def changegroupsubset(self, bases, heads, kind):
|
|
|
self.requirecap('changegroupsubset', _('look up remote changes'))
|
|
|
bases = encodelist(bases)
|
|
|
heads = encodelist(heads)
|
|
|
f = self._callcompressable("changegroupsubset",
|
|
|
bases=bases, heads=heads)
|
|
|
return changegroupmod.cg1unpacker(f, 'UN')
|
|
|
|
|
|
def getbundle(self, source, **kwargs):
|
|
|
self.requirecap('getbundle', _('look up remote changes'))
|
|
|
opts = {}
|
|
|
bundlecaps = kwargs.get('bundlecaps')
|
|
|
if bundlecaps is not None:
|
|
|
kwargs['bundlecaps'] = sorted(bundlecaps)
|
|
|
else:
|
|
|
bundlecaps = () # kwargs could have it to None
|
|
|
for key, value in kwargs.iteritems():
|
|
|
if value is None:
|
|
|
continue
|
|
|
keytype = gboptsmap.get(key)
|
|
|
if keytype is None:
|
|
|
assert False, 'unexpected'
|
|
|
elif keytype == 'nodes':
|
|
|
value = encodelist(value)
|
|
|
elif keytype in ('csv', 'scsv'):
|
|
|
value = ','.join(value)
|
|
|
elif keytype == 'boolean':
|
|
|
value = '%i' % bool(value)
|
|
|
elif keytype != 'plain':
|
|
|
raise KeyError('unknown getbundle option type %s'
|
|
|
% keytype)
|
|
|
opts[key] = value
|
|
|
f = self._callcompressable("getbundle", **opts)
|
|
|
if any((cap.startswith('HG2') for cap in bundlecaps)):
|
|
|
return bundle2.getunbundler(self.ui, f)
|
|
|
else:
|
|
|
return changegroupmod.cg1unpacker(f, 'UN')
|
|
|
|
|
|
def unbundle(self, cg, heads, source):
|
|
|
'''Send cg (a readable file-like object representing the
|
|
|
changegroup to push, typically a chunkbuffer object) to the
|
|
|
remote server as a bundle.
|
|
|
|
|
|
When pushing a bundle10 stream, return an integer indicating the
|
|
|
result of the push (see localrepository.addchangegroup()).
|
|
|
|
|
|
When pushing a bundle20 stream, return a bundle20 stream.'''
|
|
|
|
|
|
if heads != ['force'] and self.capable('unbundlehash'):
|
|
|
heads = encodelist(['hashed',
|
|
|
util.sha1(''.join(sorted(heads))).digest()])
|
|
|
else:
|
|
|
heads = encodelist(heads)
|
|
|
|
|
|
if util.safehasattr(cg, 'deltaheader'):
|
|
|
# this a bundle10, do the old style call sequence
|
|
|
ret, output = self._callpush("unbundle", cg, heads=heads)
|
|
|
if ret == "":
|
|
|
raise error.ResponseError(
|
|
|
_('push failed:'), output)
|
|
|
try:
|
|
|
ret = int(ret)
|
|
|
except ValueError:
|
|
|
raise error.ResponseError(
|
|
|
_('push failed (unexpected response):'), ret)
|
|
|
|
|
|
for l in output.splitlines(True):
|
|
|
self.ui.status(_('remote: '), l)
|
|
|
else:
|
|
|
# bundle2 push. Send a stream, fetch a stream.
|
|
|
stream = self._calltwowaystream('unbundle', cg, heads=heads)
|
|
|
ret = bundle2.getunbundler(self.ui, stream)
|
|
|
return ret
|
|
|
|
|
|
def debugwireargs(self, one, two, three=None, four=None, five=None):
|
|
|
# don't pass optional arguments left at their default value
|
|
|
opts = {}
|
|
|
if three is not None:
|
|
|
opts['three'] = three
|
|
|
if four is not None:
|
|
|
opts['four'] = four
|
|
|
return self._call('debugwireargs', one=one, two=two, **opts)
|
|
|
|
|
|
def _call(self, cmd, **args):
|
|
|
"""execute <cmd> on the server
|
|
|
|
|
|
The command is expected to return a simple string.
|
|
|
|
|
|
returns the server reply as a string."""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
def _callstream(self, cmd, **args):
|
|
|
"""execute <cmd> on the server
|
|
|
|
|
|
The command is expected to return a stream.
|
|
|
|
|
|
returns the server reply as a file like object."""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
def _callcompressable(self, cmd, **args):
|
|
|
"""execute <cmd> on the server
|
|
|
|
|
|
The command is expected to return a stream.
|
|
|
|
|
|
The stream may have been compressed in some implementations. This
|
|
|
function takes care of the decompression. This is the only difference
|
|
|
with _callstream.
|
|
|
|
|
|
returns the server reply as a file like object.
|
|
|
"""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
def _callpush(self, cmd, fp, **args):
|
|
|
"""execute a <cmd> on server
|
|
|
|
|
|
The command is expected to be related to a push. Push has a special
|
|
|
return method.
|
|
|
|
|
|
returns the server reply as a (ret, output) tuple. ret is either
|
|
|
empty (error) or a stringified int.
|
|
|
"""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
def _calltwowaystream(self, cmd, fp, **args):
|
|
|
"""execute <cmd> on server
|
|
|
|
|
|
The command will send a stream to the server and get a stream in reply.
|
|
|
"""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
def _abort(self, exception):
|
|
|
"""clearly abort the wire protocol connection and raise the exception
|
|
|
"""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
# server side
|
|
|
|
|
|
# wire protocol command can either return a string or one of these classes.
|
|
|
class streamres(object):
|
|
|
"""wireproto reply: binary stream
|
|
|
|
|
|
The call was successful and the result is a stream.
|
|
|
Iterate on the `self.gen` attribute to retrieve chunks.
|
|
|
"""
|
|
|
def __init__(self, gen):
|
|
|
self.gen = gen
|
|
|
|
|
|
class pushres(object):
|
|
|
"""wireproto reply: success with simple integer return
|
|
|
|
|
|
The call was successful and returned an integer contained in `self.res`.
|
|
|
"""
|
|
|
def __init__(self, res):
|
|
|
self.res = res
|
|
|
|
|
|
class pusherr(object):
|
|
|
"""wireproto reply: failure
|
|
|
|
|
|
The call failed. The `self.res` attribute contains the error message.
|
|
|
"""
|
|
|
def __init__(self, res):
|
|
|
self.res = res
|
|
|
|
|
|
class ooberror(object):
|
|
|
"""wireproto reply: failure of a batch of operation
|
|
|
|
|
|
Something failed during a batch call. The error message is stored in
|
|
|
`self.message`.
|
|
|
"""
|
|
|
def __init__(self, message):
|
|
|
self.message = message
|
|
|
|
|
|
def dispatch(repo, proto, command):
|
|
|
repo = repo.filtered("served")
|
|
|
func, spec = commands[command]
|
|
|
args = proto.getargs(spec)
|
|
|
return func(repo, proto, *args)
|
|
|
|
|
|
def options(cmd, keys, others):
|
|
|
opts = {}
|
|
|
for k in keys:
|
|
|
if k in others:
|
|
|
opts[k] = others[k]
|
|
|
del others[k]
|
|
|
if others:
|
|
|
sys.stderr.write("warning: %s ignored unexpected arguments %s\n"
|
|
|
% (cmd, ",".join(others)))
|
|
|
return opts
|
|
|
|
|
|
# list of commands
|
|
|
commands = {}
|
|
|
|
|
|
def wireprotocommand(name, args=''):
|
|
|
"""decorator for wire protocol command"""
|
|
|
def register(func):
|
|
|
commands[name] = (func, args)
|
|
|
return func
|
|
|
return register
|
|
|
|
|
|
@wireprotocommand('batch', 'cmds *')
|
|
|
def batch(repo, proto, cmds, others):
|
|
|
repo = repo.filtered("served")
|
|
|
res = []
|
|
|
for pair in cmds.split(';'):
|
|
|
op, args = pair.split(' ', 1)
|
|
|
vals = {}
|
|
|
for a in args.split(','):
|
|
|
if a:
|
|
|
n, v = a.split('=')
|
|
|
vals[n] = unescapearg(v)
|
|
|
func, spec = commands[op]
|
|
|
if spec:
|
|
|
keys = spec.split()
|
|
|
data = {}
|
|
|
for k in keys:
|
|
|
if k == '*':
|
|
|
star = {}
|
|
|
for key in vals.keys():
|
|
|
if key not in keys:
|
|
|
star[key] = vals[key]
|
|
|
data['*'] = star
|
|
|
else:
|
|
|
data[k] = vals[k]
|
|
|
result = func(repo, proto, *[data[k] for k in keys])
|
|
|
else:
|
|
|
result = func(repo, proto)
|
|
|
if isinstance(result, ooberror):
|
|
|
return result
|
|
|
res.append(escapearg(result))
|
|
|
return ';'.join(res)
|
|
|
|
|
|
@wireprotocommand('between', 'pairs')
|
|
|
def between(repo, proto, pairs):
|
|
|
pairs = [decodelist(p, '-') for p in pairs.split(" ")]
|
|
|
r = []
|
|
|
for b in repo.between(pairs):
|
|
|
r.append(encodelist(b) + "\n")
|
|
|
return "".join(r)
|
|
|
|
|
|
@wireprotocommand('branchmap')
|
|
|
def branchmap(repo, proto):
|
|
|
branchmap = repo.branchmap()
|
|
|
heads = []
|
|
|
for branch, nodes in branchmap.iteritems():
|
|
|
branchname = urllib.quote(encoding.fromlocal(branch))
|
|
|
branchnodes = encodelist(nodes)
|
|
|
heads.append('%s %s' % (branchname, branchnodes))
|
|
|
return '\n'.join(heads)
|
|
|
|
|
|
@wireprotocommand('branches', 'nodes')
|
|
|
def branches(repo, proto, nodes):
|
|
|
nodes = decodelist(nodes)
|
|
|
r = []
|
|
|
for b in repo.branches(nodes):
|
|
|
r.append(encodelist(b) + "\n")
|
|
|
return "".join(r)
|
|
|
|
|
|
|
|
|
wireprotocaps = ['lookup', 'changegroupsubset', 'branchmap', 'pushkey',
|
|
|
'known', 'getbundle', 'unbundlehash', 'batch']
|
|
|
|
|
|
def _capabilities(repo, proto):
|
|
|
"""return a list of capabilities for a repo
|
|
|
|
|
|
This function exists to allow extensions to easily wrap capabilities
|
|
|
computation
|
|
|
|
|
|
- returns a lists: easy to alter
|
|
|
- change done here will be propagated to both `capabilities` and `hello`
|
|
|
command without any other action needed.
|
|
|
"""
|
|
|
# copy to prevent modification of the global list
|
|
|
caps = list(wireprotocaps)
|
|
|
if _allowstream(repo.ui):
|
|
|
if repo.ui.configbool('server', 'preferuncompressed', False):
|
|
|
caps.append('stream-preferred')
|
|
|
requiredformats = repo.requirements & repo.supportedformats
|
|
|
# if our local revlogs are just revlogv1, add 'stream' cap
|
|
|
if not requiredformats - set(('revlogv1',)):
|
|
|
caps.append('stream')
|
|
|
# otherwise, add 'streamreqs' detailing our local revlog format
|
|
|
else:
|
|
|
caps.append('streamreqs=%s' % ','.join(requiredformats))
|
|
|
if repo.ui.configbool('experimental', 'bundle2-advertise', True):
|
|
|
capsblob = bundle2.encodecaps(bundle2.getrepocaps(repo))
|
|
|
caps.append('bundle2=' + urllib.quote(capsblob))
|
|
|
caps.append('unbundle=%s' % ','.join(changegroupmod.bundlepriority))
|
|
|
caps.append(
|
|
|
'httpheader=%d' % repo.ui.configint('server', 'maxhttpheaderlen', 1024))
|
|
|
return caps
|
|
|
|
|
|
# If you are writing an extension and consider wrapping this function. Wrap
|
|
|
# `_capabilities` instead.
|
|
|
@wireprotocommand('capabilities')
|
|
|
def capabilities(repo, proto):
|
|
|
return ' '.join(_capabilities(repo, proto))
|
|
|
|
|
|
@wireprotocommand('changegroup', 'roots')
|
|
|
def changegroup(repo, proto, roots):
|
|
|
nodes = decodelist(roots)
|
|
|
cg = changegroupmod.changegroup(repo, nodes, 'serve')
|
|
|
return streamres(proto.groupchunks(cg))
|
|
|
|
|
|
@wireprotocommand('changegroupsubset', 'bases heads')
|
|
|
def changegroupsubset(repo, proto, bases, heads):
|
|
|
bases = decodelist(bases)
|
|
|
heads = decodelist(heads)
|
|
|
cg = changegroupmod.changegroupsubset(repo, bases, heads, 'serve')
|
|
|
return streamres(proto.groupchunks(cg))
|
|
|
|
|
|
@wireprotocommand('debugwireargs', 'one two *')
|
|
|
def debugwireargs(repo, proto, one, two, others):
|
|
|
# only accept optional args from the known set
|
|
|
opts = options('debugwireargs', ['three', 'four'], others)
|
|
|
return repo.debugwireargs(one, two, **opts)
|
|
|
|
|
|
# List of options accepted by getbundle.
|
|
|
#
|
|
|
# Meant to be extended by extensions. It is the extension's responsibility to
|
|
|
# ensure such options are properly processed in exchange.getbundle.
|
|
|
gboptslist = ['heads', 'common', 'bundlecaps']
|
|
|
|
|
|
@wireprotocommand('getbundle', '*')
|
|
|
def getbundle(repo, proto, others):
|
|
|
opts = options('getbundle', gboptsmap.keys(), others)
|
|
|
for k, v in opts.iteritems():
|
|
|
keytype = gboptsmap[k]
|
|
|
if keytype == 'nodes':
|
|
|
opts[k] = decodelist(v)
|
|
|
elif keytype == 'csv':
|
|
|
opts[k] = list(v.split(','))
|
|
|
elif keytype == 'scsv':
|
|
|
opts[k] = set(v.split(','))
|
|
|
elif keytype == 'boolean':
|
|
|
opts[k] = bool(v)
|
|
|
elif keytype != 'plain':
|
|
|
raise KeyError('unknown getbundle option type %s'
|
|
|
% keytype)
|
|
|
cg = exchange.getbundle(repo, 'serve', **opts)
|
|
|
return streamres(proto.groupchunks(cg))
|
|
|
|
|
|
@wireprotocommand('heads')
|
|
|
def heads(repo, proto):
|
|
|
h = repo.heads()
|
|
|
return encodelist(h) + "\n"
|
|
|
|
|
|
@wireprotocommand('hello')
|
|
|
def hello(repo, proto):
|
|
|
'''the hello command returns a set of lines describing various
|
|
|
interesting things about the server, in an RFC822-like format.
|
|
|
Currently the only one defined is "capabilities", which
|
|
|
consists of a line in the form:
|
|
|
|
|
|
capabilities: space separated list of tokens
|
|
|
'''
|
|
|
return "capabilities: %s\n" % (capabilities(repo, proto))
|
|
|
|
|
|
@wireprotocommand('listkeys', 'namespace')
|
|
|
def listkeys(repo, proto, namespace):
|
|
|
d = repo.listkeys(encoding.tolocal(namespace)).items()
|
|
|
return pushkeymod.encodekeys(d)
|
|
|
|
|
|
@wireprotocommand('lookup', 'key')
|
|
|
def lookup(repo, proto, key):
|
|
|
try:
|
|
|
k = encoding.tolocal(key)
|
|
|
c = repo[k]
|
|
|
r = c.hex()
|
|
|
success = 1
|
|
|
except Exception as inst:
|
|
|
r = str(inst)
|
|
|
success = 0
|
|
|
return "%s %s\n" % (success, r)
|
|
|
|
|
|
@wireprotocommand('known', 'nodes *')
|
|
|
def known(repo, proto, nodes, others):
|
|
|
return ''.join(b and "1" or "0" for b in repo.known(decodelist(nodes)))
|
|
|
|
|
|
@wireprotocommand('pushkey', 'namespace key old new')
|
|
|
def pushkey(repo, proto, namespace, key, old, new):
|
|
|
# compatibility with pre-1.8 clients which were accidentally
|
|
|
# sending raw binary nodes rather than utf-8-encoded hex
|
|
|
if len(new) == 20 and new.encode('string-escape') != new:
|
|
|
# looks like it could be a binary node
|
|
|
try:
|
|
|
new.decode('utf-8')
|
|
|
new = encoding.tolocal(new) # but cleanly decodes as UTF-8
|
|
|
except UnicodeDecodeError:
|
|
|
pass # binary, leave unmodified
|
|
|
else:
|
|
|
new = encoding.tolocal(new) # normal path
|
|
|
|
|
|
if util.safehasattr(proto, 'restore'):
|
|
|
|
|
|
proto.redirect()
|
|
|
|
|
|
try:
|
|
|
r = repo.pushkey(encoding.tolocal(namespace), encoding.tolocal(key),
|
|
|
encoding.tolocal(old), new) or False
|
|
|
except util.Abort:
|
|
|
r = False
|
|
|
|
|
|
output = proto.restore()
|
|
|
|
|
|
return '%s\n%s' % (int(r), output)
|
|
|
|
|
|
r = repo.pushkey(encoding.tolocal(namespace), encoding.tolocal(key),
|
|
|
encoding.tolocal(old), new)
|
|
|
return '%s\n' % int(r)
|
|
|
|
|
|
def _allowstream(ui):
|
|
|
return ui.configbool('server', 'uncompressed', True, untrusted=True)
|
|
|
|
|
|
@wireprotocommand('stream_out')
|
|
|
def stream(repo, proto):
|
|
|
'''If the server supports streaming clone, it advertises the "stream"
|
|
|
capability with a value representing the version and flags of the repo
|
|
|
it is serving. Client checks to see if it understands the format.
|
|
|
'''
|
|
|
if not _allowstream(repo.ui):
|
|
|
return '1\n'
|
|
|
|
|
|
def getstream(it):
|
|
|
yield '0\n'
|
|
|
for chunk in it:
|
|
|
yield chunk
|
|
|
|
|
|
try:
|
|
|
# LockError may be raised before the first result is yielded. Don't
|
|
|
# emit output until we're sure we got the lock successfully.
|
|
|
it = exchange.generatestreamclone(repo)
|
|
|
return streamres(getstream(it))
|
|
|
except error.LockError:
|
|
|
return '2\n'
|
|
|
|
|
|
@wireprotocommand('unbundle', 'heads')
|
|
|
def unbundle(repo, proto, heads):
|
|
|
their_heads = decodelist(heads)
|
|
|
|
|
|
try:
|
|
|
proto.redirect()
|
|
|
|
|
|
exchange.check_heads(repo, their_heads, 'preparing changes')
|
|
|
|
|
|
# write bundle data to temporary file because it can be big
|
|
|
fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-')
|
|
|
fp = os.fdopen(fd, 'wb+')
|
|
|
r = 0
|
|
|
try:
|
|
|
proto.getfile(fp)
|
|
|
fp.seek(0)
|
|
|
gen = exchange.readbundle(repo.ui, fp, None)
|
|
|
r = exchange.unbundle(repo, gen, their_heads, 'serve',
|
|
|
proto._client())
|
|
|
if util.safehasattr(r, 'addpart'):
|
|
|
# The return looks streamable, we are in the bundle2 case and
|
|
|
# should return a stream.
|
|
|
return streamres(r.getchunks())
|
|
|
return pushres(r)
|
|
|
|
|
|
finally:
|
|
|
fp.close()
|
|
|
os.unlink(tempname)
|
|
|
|
|
|
except (error.BundleValueError, util.Abort, error.PushRaced) as exc:
|
|
|
# handle non-bundle2 case first
|
|
|
if not getattr(exc, 'duringunbundle2', False):
|
|
|
try:
|
|
|
raise
|
|
|
except util.Abort:
|
|
|
# The old code we moved used sys.stderr directly.
|
|
|
# We did not change it to minimise code change.
|
|
|
# This need to be moved to something proper.
|
|
|
# Feel free to do it.
|
|
|
sys.stderr.write("abort: %s\n" % exc)
|
|
|
return pushres(0)
|
|
|
except error.PushRaced:
|
|
|
return pusherr(str(exc))
|
|
|
|
|
|
bundler = bundle2.bundle20(repo.ui)
|
|
|
for out in getattr(exc, '_bundle2salvagedoutput', ()):
|
|
|
bundler.addpart(out)
|
|
|
try:
|
|
|
try:
|
|
|
raise
|
|
|
except error.PushkeyFailed as exc:
|
|
|
# check client caps
|
|
|
remotecaps = getattr(exc, '_replycaps', None)
|
|
|
if (remotecaps is not None
|
|
|
and 'pushkey' not in remotecaps.get('error', ())):
|
|
|
# no support remote side, fallback to Abort handler.
|
|
|
raise
|
|
|
part = bundler.newpart('error:pushkey')
|
|
|
part.addparam('in-reply-to', exc.partid)
|
|
|
if exc.namespace is not None:
|
|
|
part.addparam('namespace', exc.namespace, mandatory=False)
|
|
|
if exc.key is not None:
|
|
|
part.addparam('key', exc.key, mandatory=False)
|
|
|
if exc.new is not None:
|
|
|
part.addparam('new', exc.new, mandatory=False)
|
|
|
if exc.old is not None:
|
|
|
part.addparam('old', exc.old, mandatory=False)
|
|
|
if exc.ret is not None:
|
|
|
part.addparam('ret', exc.ret, mandatory=False)
|
|
|
except error.BundleValueError as exc:
|
|
|
errpart = bundler.newpart('error:unsupportedcontent')
|
|
|
if exc.parttype is not None:
|
|
|
errpart.addparam('parttype', exc.parttype)
|
|
|
if exc.params:
|
|
|
errpart.addparam('params', '\0'.join(exc.params))
|
|
|
except util.Abort as exc:
|
|
|
manargs = [('message', str(exc))]
|
|
|
advargs = []
|
|
|
if exc.hint is not None:
|
|
|
advargs.append(('hint', exc.hint))
|
|
|
bundler.addpart(bundle2.bundlepart('error:abort',
|
|
|
manargs, advargs))
|
|
|
except error.PushRaced as exc:
|
|
|
bundler.newpart('error:pushraced', [('message', str(exc))])
|
|
|
return streamres(bundler.getchunks())
|
|
|
|
