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# Copyright (C) 2006 Jelmer Vernooij <jelmer@samba.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import copy
import os
import time
from subvertpy import NODE_NONE, NODE_FILE, NODE_DIR
from subvertpy.marshall import marshall, unmarshall, literal, MarshallError
class ServerBackend:
def open_repository(self, location):
raise NotImplementedError(self.open_repository)
class ServerRepositoryBackend:
def get_uuid(self):
raise NotImplementedError(self.get_uuid)
def get_latest_revnum(self):
raise NotImplementedError(self.get_latest_revnum)
SVN_MAJOR_VERSION = 1
SVN_MINOR_VERSION = 2
class SVNServer:
def __init__(self, backend, recv_fn, send_fn, logf=None):
self.backend = backend
self.recv_fn = recv_fn
self.send_fn = send_fn
self.inbuffer = ""
self._stop = False
self._logf = logf
def send_greeting(self):
self.send_success(
SVN_MAJOR_VERSION, SVN_MINOR_VERSION, [literal("ANONYMOUS")], [])
def send_mechs(self):
self.send_success([literal("ANONYMOUS")], "")
def send_failure(self, *contents):
self.send_msg([literal("failure"), list(contents)])
def send_success(self, *contents):
self.send_msg([literal("success"), list(contents)])
def send_unknown(self, cmd):
self.send_failure([210001, "Unknown command '%s'" % cmd, __file__, \
52])
def get_latest_rev(self):
self.send_success([], "")
self.send_success(self.repo_backend.get_latest_revnum())
def check_path(self, path, revnum):
return NODE_DIR
def log(self, target_path, start_rev, end_rev, changed_paths,
strict_node, limit=None):
def send_revision(revno, rev):
self.send_msg([[], revno, [rev.committer],
[time.strftime("%Y-%m-%dT%H:%M:%S.00000Z", time.gmtime(rev.timestamp))],
[rev.message]])
self.send_success([], "")
revno = start_rev[0]
i = 0
self.branch.repository.lock_read()
try:
# FIXME: check whether start_rev and end_rev actually exist
while revno != end_rev[0]:
#TODO: Honor target_path, strict_node, changed_paths
if end_rev[0] > revno:
revno+=1
else:
revno-=1
if limit != 0 and i == limit:
break
if revno != 0:
send_revision(revno, self.branch.repository.get_revision(self.branch.get_rev_id(revno)))
finally:
self.branch.repository.unlock()
self.send_msg(literal("done"))
self.send_success()
def reparent(self, parent):
self.send_success([], "")
self.send_success()
def stat(self, path, revnum):
self.send_success([], "")
self.send_success()
def update(self, rev, target, recurse):
self.send_success([], "")
while True:
msg = self.recv_msg()
assert msg[0] in ["set-path", "finish-report"]
if msg[0] == "finish-report":
break
self.send_success([], "")
self.send_msg(["target-rev", rev])
tree = self.branch.repository.revision_tree(
self.branch.get_rev_id(rev[0]))
path2id = {}
id2path = {}
self.send_msg(["open-root", [rev, tree.inventory.root.file_id]])
def send_children(self, id):
for child in tree.inventory[id].children:
if tree.inventory[child].kind in ('symlink', 'file'):
self.send_msg(["add-file", [tree.inventory.id2path(child),
id, child]])
# FIXME
self.send_msg(["close-file", [child]])
else:
self.send_msg(["add-dir", [tree.inventory.id2path(child),
id, child]])
send_children(child)
self.send_msg(["close-dir", [child]])
#send_children(tree.inventory.root.file_id)
self.send_msg(["close-dir", [tree.inventory.root.file_id]])
self.send_msg(["close-edit", []])
#msg = self.recv_msg()
#self.send_msg(msg)
commands = {
"get-latest-rev": get_latest_rev,
"log": log,
"update": update,
"check-path": check_path,
"reparent": reparent,
"stat": stat,
# FIXME: get-dated-rev
# FIXME: rev-proplist
# FIXME: rev-prop
# FIXME: get-file
# FIXME: get-dir
# FIXME: check-path
# FIXME: switch
# FIXME: status
# FIXME: diff
# FIXME: get-locations
# FIXME: get-file-revs
# FIXME: replay
}
def send_auth_request(self):
pass
def serve(self):
self.send_greeting()
(version, capabilities, url) = self.recv_msg()
self.capabilities = capabilities
self.version = version
self.url = url
self.mutter("client supports:")
self.mutter(" version %r" % version)
self.mutter(" capabilities %r " % capabilities)
self.send_mechs()
(mech, args) = self.recv_msg()
# TODO: Proper authentication
self.send_success()
import urllib
(rooturl, location) = urllib.splithost(url)
self.repo_backend, self.relpath = self.backend.open_repository(location)
self.send_success(self.repo_backend.get_uuid(), url)
# Expect:
while not self._stop:
( cmd, args ) = self.recv_msg()
if not self.commands.has_key(cmd):
self.send_unknown(cmd)
return
else:
self.commands[cmd](self, *args)
def close(self):
self._stop = True
def recv_msg(self):
# FIXME: Blocking read?
while True:
try:
self.inbuffer += self.recv_fn()
(self.inbuffer, ret) = unmarshall(self.inbuffer)
self.mutter('in: %r' % ret)
return ret
except MarshallError, e:
self.mutter('ERROR: %r' % e)
def send_msg(self, data):
self.mutter('out: %r' % data)
self.send_fn(marshall(data))
def mutter(self, text):
if self._logf is not None:
self._logf.write(text)
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