Пример #1
0
    def process_data(self, message_data, message):
        """Consumer callback to call a method on a proxy object.

        Parses the message for validity and fires off a thread to call the
        proxy object method.

        Message data should be a dictionary with two keys:
            method: string representing the method to call
            args: dictionary of arg: value

        Example: {'method': 'echo', 'args': {'value': 42}}

        """
        # It is important to clear the context here, because at this point
        # the previous context is stored in local.store.context
        if hasattr(local.store, 'context'):
            del local.store.context
        rpc_common._safe_log(LOG.debug, _('received %s'), message_data)
        # This will be popped off in _unpack_context
        msg_id = message_data.get('_msg_id', None)
        ctxt = _unpack_context(message_data)

        method = message_data.get('method')
        args = message_data.get('args', {})
        message.ack()
        if not method:
            # NOTE(vish): we may not want to ack here, but that means that bad
            #             messages stay in the queue indefinitely, so for now
            #             we just log the message and send an error string
            #             back to the caller
            LOG.warn(_('no method for message: %s') % message_data)
            ctxt.reply(msg_id,
                    _('No method for message: %s') % message_data)
            return
        self.pool.spawn_n(self._process_data, ctxt, method, args)
Пример #2
0
    def __call__(self, message_data):
        """Consumer callback to call a method on a proxy object.

        Parses the message for validity and fires off a thread to call the
        proxy object method.

        Message data should be a dictionary with two keys:
            method: string representing the method to call
            args: dictionary of arg: value

        Example: {'method': 'echo', 'args': {'value': 42}}

        """
        # It is important to clear the context here, because at this point
        # the previous context is stored in local.store.context
        if hasattr(local.store, "context"):
            del local.store.context
        rpc_common._safe_log(LOG.debug, _("received %s"), message_data)
        ctxt = unpack_context(message_data)
        method = message_data.get("method")
        args = message_data.get("args", {})
        if not method:
            LOG.warn(_("no method for message: %s") % message_data)
            ctxt.reply(_("No method for message: %s") % message_data)
            return
        self.pool.spawn_n(self._process_data, ctxt, method, args)
Пример #3
0
    def process_data(self, message_data, message):
        """Consumer callback to call a method on a proxy object.

        Parses the message for validity and fires off a thread to call the
        proxy object method.

        Message data should be a dictionary with two keys:
            method: string representing the method to call
            args: dictionary of arg: value

        Example: {'method': 'echo', 'args': {'value': 42}}

        """
        # It is important to clear the context here, because at this point
        # the previous context is stored in local.store.context
        if hasattr(local.store, 'context'):
            del local.store.context
        rpc_common._safe_log(LOG.debug, _('received %s'), message_data)
        # This will be popped off in _unpack_context
        msg_id = message_data.get('_msg_id', None)
        ctxt = _unpack_context(message_data)

        method = message_data.get('method')
        args = message_data.get('args', {})
        message.ack()
        if not method:
            # NOTE(vish): we may not want to ack here, but that means that bad
            #             messages stay in the queue indefinitely, so for now
            #             we just log the message and send an error string
            #             back to the caller
            LOG.warn(_('no method for message: %s') % message_data)
            ctxt.reply(msg_id, _('No method for message: %s') % message_data)
            return
        self.pool.spawn_n(self._process_data, ctxt, method, args)
Пример #4
0
    def __call__(self, message_data):
        """Consumer callback to call a method on a proxy object.

        Parses the message for validity and fires off a thread to call the
        proxy object method.

        Message data should be a dictionary with two keys:
            method: string representing the method to call
            args: dictionary of arg: value

        Example: {'method': 'echo', 'args': {'value': 42}}

        """
        # It is important to clear the context here, because at this point
        # the previous context is stored in local.store.context
        if hasattr(local.store, 'context'):
            del local.store.context
        rpc_common._safe_log(LOG.debug, _('received %s'), message_data)
        ctxt = unpack_context(self.conf, message_data)
        method = message_data.get('method')
        args = message_data.get('args', {})
        if not method:
            LOG.warn(_('no method for message: %s') % message_data)
            ctxt.reply(_('No method for message: %s') % message_data,
                       connection_pool=self.connection_pool)
            return
        self.pool.spawn_n(self._process_data, ctxt, method, args)
Пример #5
0
def unpack_context(msg):
    """Unpack context from msg."""
    context_dict = {}
    for key in list(msg.keys()):
        # NOTE(vish): Some versions of python don't like unicode keys
        #             in kwargs.
        key = str(key)
        if key.startswith('_context_'):
            value = msg.pop(key)
            context_dict[key[9:]] = value
    context_dict['msg_id'] = msg.pop('_msg_id', None)
    ctx = RpcContext.from_dict(context_dict)
    rpc_common._safe_log(LOG.debug, _('unpacked context: %s'), ctx.to_dict())
    return ctx
Пример #6
0
def unpack_context(msg):
    """Unpack context from msg."""
    context_dict = {}
    for key in list(msg.keys()):
        # NOTE(vish): Some versions of python don't like unicode keys
        #             in kwargs.
        key = str(key)
        if key.startswith('_context_'):
            value = msg.pop(key)
            context_dict[key[9:]] = value
    context_dict['msg_id'] = msg.pop('_msg_id', None)
    ctx = RpcContext.from_dict(context_dict)
    rpc_common._safe_log(LOG.debug, _('unpacked context: %s'), ctx.to_dict())
    return ctx
Пример #7
0
    def __call__(self, message_data):
        """Consumer callback to call a method on a proxy object.

        Parses the message for validity and fires off a thread to call the
        proxy object method.

        Message data should be a dictionary with two keys:
            method: string representing the method to call
            args: dictionary of arg: value

        Example: {'method': 'echo', 'args': {'value': 42}}

        """
        rpc_common._safe_log(LOG.debug, _('received %s'), message_data)
        ctxt = _unpack_context(message_data)
        method = message_data.get('method')
        args = message_data.get('args', {})
        if not method:
            LOG.warn(_('no method for message: %s') % message_data)
            ctxt.reply(_('No method for message: %s') % message_data)
            return
        self.pool.spawn_n(self._process_data, ctxt, method, args)