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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Server for smart-server protocol."""
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from bzrlib.hooks import Hooks
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from bzrlib.hooks import HookPoint, Hooks
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from bzrlib import (
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from bzrlib.smart.medium import SmartServerSocketStreamMedium
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bzrlib.smart import medium
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class SmartTCPServer(object):
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from socket import error as socket_error
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self._socket_error = socket_error
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self._socket_timeout = socket_timeout
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self._server_socket = socket.socket()
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addrs = socket.getaddrinfo(host, port, socket.AF_UNSPEC,
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socket.SOCK_STREAM, 0, socket.AI_PASSIVE)[0]
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(family, socktype, proto, canonname, sockaddr) = addrs
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self._server_socket = socket.socket(family, socktype, proto)
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# SO_REUSERADDR has a different meaning on Windows
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if sys.platform != 'win32':
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self._server_socket.setsockopt(socket.SOL_SOCKET,
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socket.SO_REUSEADDR, 1)
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self._server_socket.bind((host, port))
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self._server_socket.bind(sockaddr)
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except self._socket_error, message:
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raise errors.CannotBindAddress(host, port, message)
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self._sockname = self._server_socket.getsockname()
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# We need all three because:
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# * other machines see the first
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# * local commits on this machine should be able to be mapped to
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# * commits the server does itself need to be mapped across to this
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# The latter two urls are different aliases to the servers url,
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# so we group those in a list - as there might be more aliases
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# so we group those in a list - as there might be more aliases
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backing_urls = [self.backing_transport.base]
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def serve_conn(self, conn, thread_name_suffix):
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# For WIN32, where the timeout value from the listening socket
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# propogates to the newly accepted socket.
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# propagates to the newly accepted socket.
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conn.setblocking(True)
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conn.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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handler = SmartServerSocketStreamMedium(
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handler = medium.SmartServerSocketStreamMedium(
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conn, self.backing_transport, self.root_client_path)
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thread_name = 'smart-server-child' + thread_name_suffix
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connection_thread = threading.Thread(
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self._should_terminate = True
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# close the socket - gives error to connections from here on in,
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# rather than a connection reset error to connections made during
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# the period between setting _should_terminate = True and
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# the period between setting _should_terminate = True and
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# the current request completing/aborting. It may also break out the
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# main loop if it was currently in accept() (on some platforms).
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Hooks.__init__(self)
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# Introduced in 0.16:
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# invoked whenever the server starts serving a directory.
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# The api signature is (backing urls, public url).
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self['server_started'] = []
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# Introduced in 0.16:
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# invoked whenever the server stops serving a directory.
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# The api signature is (backing urls, public url).
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self['server_stopped'] = []
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self.create_hook(HookPoint('server_started',
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"Called by the bzr server when it starts serving a directory. "
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"server_started is called with (backing urls, public url), "
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"where backing_url is a list of URLs giving the "
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"server-specific directory locations, and public_url is the "
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"public URL for the directory being served.", (0, 16), None))
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self.create_hook(HookPoint('server_started_ex',
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"Called by the bzr server when it starts serving a directory. "
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"server_started is called with (backing_urls, server_obj).",
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self.create_hook(HookPoint('server_stopped',
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"Called by the bzr server when it stops serving a directory. "
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"server_stopped is called with the same parameters as the "
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"server_started hook: (backing_urls, public_url).", (0, 16), None))
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SmartTCPServer.hooks = SmartServerHooks()
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class SmartTCPServer_for_testing(SmartTCPServer):
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"""Server suitable for use by transport tests.
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This server is backed by the process's cwd.
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SmartTCPServer.__init__(self, None)
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self.client_path_extra = None
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self.thread_name_suffix = thread_name_suffix
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def get_backing_transport(self, backing_transport_server):
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"""Get a backing transport from a server we are decorating."""
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return transport.get_transport(backing_transport_server.get_url())
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def setUp(self, backing_transport_server=None,
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client_path_extra='/extra/'):
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"""Set up server for testing.
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:param backing_transport_server: backing server to use. If not
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specified, a LocalURLServer at the current working directory will
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return transport.get_transport(url)
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def serve_bzr(transport, host=None, port=None, inet=False):
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from bzrlib import lockdir, ui
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from bzrlib.transport import get_transport
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from bzrlib.transport.chroot import ChrootServer
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chroot_server = ChrootServer(transport)
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chroot_server.setUp()
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transport = get_transport(chroot_server.get_url())
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smart_server = medium.SmartServerPipeStreamMedium(
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sys.stdin, sys.stdout, transport)
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host = medium.BZR_DEFAULT_INTERFACE
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port = medium.BZR_DEFAULT_PORT
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smart_server = SmartTCPServer(transport, host=host, port=port)
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trace.note('listening on port: %s' % smart_server.port)
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# For the duration of this server, no UI output is permitted. note
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# that this may cause problems with blackbox tests. This should be
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# changed with care though, as we dont want to use bandwidth sending
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# progress over stderr to smart server clients!
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old_factory = ui.ui_factory
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old_lockdir_timeout = lockdir._DEFAULT_TIMEOUT_SECONDS
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ui.ui_factory = ui.SilentUIFactory()
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lockdir._DEFAULT_TIMEOUT_SECONDS = 0
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ui.ui_factory = old_factory
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lockdir._DEFAULT_TIMEOUT_SECONDS = old_lockdir_timeout
added
removed
bzrlib/smart/server.py
