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Viewing changes to bzrlib/smart/request.py

  • Committer: John Arbash Meinel
  • Date: 2009-12-21 17:24:22 UTC
  • mfrom: (4913 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4916.
  • Revision ID: john@arbash-meinel.com-20091221172422-0zy2v8x3fhcdc8c0
Merge bzr.dev 4913, to put NEWS in its place.

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bzrlib/smart/request.py
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from bzrlib import (
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    bzrdir,
 
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    debug,
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    errors,
 
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    osutils,
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    registry,
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    revision,
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    trace,
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        self.response = None
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        self.finished_reading = False
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        self._command = None
 
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        if 'hpss' in debug.debug_flags:
 
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            self._request_start_time = osutils.timer_func()
 
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            cur_thread = threading.currentThread()
 
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            self._thread_id = getattr(cur_thread, 'ident', None)
 
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            if self._thread_id is None:
 
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                self._thread_id = cur_thread.getName()
 
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    def _trace(self, action, message, extra_bytes=None, include_time=False):
 
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        # It is a bit of a shame that this functionality overlaps with that of 
 
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        # ProtocolThreeRequester._trace. However, there is enough difference
 
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        # that just putting it in a helper doesn't help a lot. And some state
 
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        # is taken from the instance.
 
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        if include_time:
 
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            t = '%5.3fs ' % (osutils.timer_func() - self._request_start_time)
 
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        else:
 
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            t = ''
 
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        if extra_bytes is None:
 
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            extra = ''
 
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        else:
 
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            extra = ' ' + repr(extra_bytes[:40])
 
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            if len(extra) > 33:
 
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                extra = extra[:29] + extra[-1] + '...'
 
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        trace.mutter('%12s: [%s] %s%s%s'
 
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                     % (action, self._thread_id, t, message, extra))
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    def accept_body(self, bytes):
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        """Accept body data."""
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            # no active command object, so ignore the event.
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            return
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        self._run_handler_code(self._command.do_chunk, (bytes,), {})
 
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        if 'hpss' in debug.debug_flags:
 
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            self._trace('accept body',
 
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                        '%d bytes' % (len(bytes),), bytes)
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    def end_of_body(self):
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        """No more body data will be received."""
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        self._run_handler_code(self._command.do_end, (), {})
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        # cannot read after this.
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        self.finished_reading = True
 
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        if 'hpss' in debug.debug_flags:
 
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            self._trace('end of body', '', include_time=True)
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    def _run_handler_code(self, callable, args, kwargs):
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        """Run some handler specific code 'callable'.
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    def headers_received(self, headers):
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        # Just a no-op at the moment.
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        pass
 
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        if 'hpss' in debug.debug_flags:
 
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            self._trace('headers', repr(headers))
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    def args_received(self, args):
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        cmd = args[0]
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        try:
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            command = self._commands.get(cmd)
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        except LookupError:
 
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            if 'hpss' in debug.debug_flags:
 
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                self._trace('hpss unknown request', 
 
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                            cmd, repr(args)[1:-1])
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            raise errors.UnknownSmartMethod(cmd)
 
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        if 'hpss' in debug.debug_flags:
 
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            from bzrlib.smart import vfs
 
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            if issubclass(command, vfs.VfsRequest):
 
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                action = 'hpss vfs req'
 
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            else:
 
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                action = 'hpss request'
 
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            self._trace(action, 
 
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                        '%s %s' % (cmd, repr(args)[1:-1]))
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        self._command = command(
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            self._backing_transport, self._root_client_path, self._jail_root)
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        self._run_handler_code(self._command.execute, args, {})
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            # no active command object, so ignore the event.
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            return
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        self._run_handler_code(self._command.do_end, (), {})
 
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        if 'hpss' in debug.debug_flags:
 
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            self._trace('end', '', include_time=True)
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    def post_body_error_received(self, error_args):
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        # Just a no-op at the moment.