Python Message.type方法代码示例

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def receive_datagram(self, args):
        """
        Handle messages coming from the udp socket.

        :param args: (data, client_address)
        """
        data, client_address = args

        logging.debug("receiving datagram")

        try:
            host, port = client_address
        except ValueError:
            host, port, tmp1, tmp2 = client_address

        client_address = (host, port)

        serializer = Serializer()
        message = serializer.deserialize(data, client_address)
        if isinstance(message, int):
            logger.error("receive_datagram - BAD REQUEST")
            rst = Message()
            rst.destination = client_address
            rst.type = Types["RST"]
            rst.code = message
            rst.mid = message.mid
            self.send_datagram(rst)
            return
        logger.debug("receive_datagram - " + str(message))

        if isinstance(message, Request):
            if not message.proxy_uri or message.uri_path != "coap2http":
                logger.error("receive_datagram - BAD REQUEST")
                rst = Message()
                rst.destination = client_address
                rst.type = Types["RST"]
                rst.code = Codes.BAD_REQUEST.number
                rst.mid = message.mid
                self.send_datagram(rst)
                return
            # Execute HTTP/HTTPS request
            http_response = CoAP_HTTP.execute_http_request(message.code, message.proxy_uri, message.payload)
            # HTTP response to CoAP response conversion
            coap_response = CoAP_HTTP.to_coap_response(http_response, message.code, client_address, message.mid)
            # Send datagram and return
            self.send_datagram(coap_response)
            return

        elif isinstance(message, Message):
            logger.error("Received message from %s", message.source)

        else:  # is Response
            logger.error("Received response from %s", message.source)

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
 def _test_with_client_observe(self, message_list, callback):
     client = HelperClient(self.server_address)
     token = None
     last_mid = 0
     for message, expected in message_list:
         if message is not None:
             token = message.token
             client.send_request(message, callback)
         received_message = self.queue.get()
         if expected is not None:
             last_mid = expected.mid
             if expected.type is not None:
                 self.assertEqual(received_message.type, expected.type)
             if expected.mid is not None:
                 self.assertEqual(received_message.mid, expected.mid)
             self.assertEqual(received_message.code, expected.code)
             if expected.source is not None:
                 self.assertEqual(received_message.source, self.server_address)
             if expected.token is not None:
                 self.assertEqual(received_message.token, expected.token)
             if expected.payload is not None:
                 self.assertEqual(received_message.payload, expected.payload)
             if expected.options is not None:
                 self.assertEqual(received_message.options, expected.options)
     message = Message()
     message.type = defines.Types["RST"]
     message.token = token
     message._mid = last_mid
     message.destination = self.server_address
     client.send_empty(message)
     client.stop()

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def receive_datagram(self):
        """
        Receive datagram from the UDP socket and invoke the callback function.
        """
        logger.debug("Start receiver Thread")
        while not self.stopped.isSet():
            self._socket.settimeout(0.1)
            try:
                datagram, addr = self._socket.recvfrom(1152)
            except socket.timeout:  # pragma: no cover
                continue
            except Exception as e:  # pragma: no cover
                if self._cb_ignore_read_exception is not None and callable(self._cb_ignore_read_exception):
                    if self._cb_ignore_read_exception(e, self):
                        continue
                return
            else:  # pragma: no cover
                if len(datagram) == 0:
                    logger.debug("Exiting receiver Thread due to orderly shutdown on server end")
                    return

            serializer = Serializer()

            try:
                host, port = addr
            except ValueError:
                host, port, tmp1, tmp2 = addr

            source = (host, port)

            message = serializer.deserialize(datagram, source)

            if isinstance(message, Response):
                logger.debug("receive_datagram - " + str(message))
                transaction, send_ack = self._messageLayer.receive_response(message)
                if transaction is None:  # pragma: no cover
                    continue
                self._wait_for_retransmit_thread(transaction)
                if send_ack:
                    self._send_ack(transaction)
                self._blockLayer.receive_response(transaction)
                if transaction.block_transfer:
                    self._send_block_request(transaction)
                    continue
                elif transaction is None:  # pragma: no cover
                    self._send_rst(transaction)
                    return
                self._observeLayer.receive_response(transaction)
                if transaction.notification:  # pragma: no cover
                    ack = Message()
                    ack.type = defines.Types['ACK']
                    ack = self._messageLayer.send_empty(transaction, transaction.response, ack)
                    self.send_datagram(ack)
                    self._callback(transaction.response)
                else:
                    self._callback(transaction.response)
            elif isinstance(message, Message):
                self._messageLayer.receive_empty(message)

        logger.debug("Exiting receiver Thread due to request")

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def listen(self, timeout=10):
        """
        Listen for incoming messages. Timeout is used to check if the server must be switched off.

        :param timeout: Socket Timeout in seconds
        """
        self._socket.settimeout(float(timeout))
        while not self.stopped.isSet():
            try:
                data, client_address = self._socket.recvfrom(4096)
                if len(client_address) > 2:
                    client_address = (client_address[0], client_address[1])
            except socket.timeout:
                continue
            try:
                serializer = Serializer()
                message = serializer.deserialize(data, client_address)
                if isinstance(message, int):
                    logger.error("receive_datagram - BAD REQUEST")

                    rst = Message()
                    rst.destination = client_address
                    rst.type = defines.Types["RST"]
                    rst.code = message
                    rst.mid = self._messageLayer._current_mid
                    self._messageLayer._current_mid += 1 % 65535
                    self.send_datagram(rst)
                    continue

                logger.debug("receive_datagram - " + str(message))
                if isinstance(message, Request):
                    transaction = self._messageLayer.receive_request(message)
                    if transaction.request.duplicated and transaction.completed:
                        logger.debug("message duplicated, transaction completed")
                        if transaction.response is not None:
                            self.send_datagram(transaction.response)
                        return
                    elif transaction.request.duplicated and not transaction.completed:
                        logger.debug("message duplicated, transaction NOT completed")
                        self._send_ack(transaction)
                        return
                    args = (transaction, )
                    t = threading.Thread(target=self.receive_request, args=args)
                    t.start()
                # self.receive_datagram(data, client_address)
                elif isinstance(message, Response):
                    logger.error("Received response from %s", message.source)

                else:  # is Message
                    transaction = self._messageLayer.receive_empty(message)
                    if transaction is not None:
                        with transaction:
                            self._blockLayer.receive_empty(message, transaction)
                            self._observeLayer.receive_empty(message, transaction)

            except RuntimeError:
                print "Exception with Executor"
        self._socket.close()

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
 def cancel_observing(self, response, send_rst):  # pragma: no cover
     if send_rst:
         message = Message()
         message.destination = self.server
         message.code = defines.Codes.EMPTY.number
         message.type = defines.Types["RST"]
         message.token = response.token
         message.mid = response.mid
         self.protocol.send_message(message)
     self.stop()

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
def coap_encode(payload):
    message = Message()
    message.type = defines.Types['CON']
    message.token = 4321
    message.mid = 2
    message.options = None
    message.payload = str(payload)
    serializer = Serializer()
    messagestring = serializer.serialize(message)
    return messagestring

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
 def to_coap_response(http_response, request_method, client_address, mid):
     coap_msg = Message()
     coap_msg.destination = client_address
     coap_msg.type = Types["ACK"]
     coap_msg.code = CoAP_HTTP.to_coap_code(http_response.status_code, request_method)
     coap_msg.mid = mid
     if 'Content-Type' in http_response.headers:
         coap_msg.content_type = CoAP_HTTP.to_coap_content_type(http_response.headers['Content-Type'].split(";")[0])
     else:
         coap_msg.content_type = 0
     coap_msg.payload = http_response.content
     return coap_msg

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def _send_ack(self, transaction):
        """
        Sends an ACK message for the request.

        :param transaction: the transaction that owns the request
        """

        ack = Message()
        ack.type = defines.Types['ACK']
        # TODO handle mutex on transaction
        if not transaction.request.acknowledged and transaction.request.type == defines.Types["CON"]:
            ack = self._messageLayer.send_empty(transaction, transaction.request, ack)
            self.send_datagram(ack)

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def _send_rst(self, transaction):  # pragma: no cover
        """
        Sends an RST message for the response.

        :param transaction: transaction that holds the response
        """

        rst = Message()
        rst.type = defines.Types['RST']

        if not transaction.response.acknowledged:
            rst = self._messageLayer.send_empty(transaction, transaction.response, rst)
            self.send_datagram(rst)

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def _send_ack(self, transaction):
        """
        Sends an ACK message for the response.

        :param transaction: transaction that holds the response
        """

        ack = Message()
        ack.type = defines.Types['ACK']

        if not transaction.response.acknowledged:
            ack = self._messageLayer.send_empty(transaction, transaction.response, ack)
            self.send_datagram(ack)

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def receive_datagram(self):
        logger.debug("Start receiver Thread")
        while not self.stopped.isSet():
            self._socket.settimeout(1)
            try:
                datagram, addr = self._socket.recvfrom(1152)
            except socket.timeout:  # pragma: no cover
                continue
            except socket.error:  # pragma: no cover
                return
            else:  # pragma: no cover
                if len(datagram) == 0:
                    print 'orderly shutdown on server end'
                    return

            serializer = Serializer()

            try:
                host, port = addr
            except ValueError:
                host, port, tmp1, tmp2 = addr

            source = (host, port)

            message = serializer.deserialize(datagram, source)

            if isinstance(message, Response):
                transaction, send_ack = self._messageLayer.receive_response(message)
                if transaction is None:  # pragma: no cover
                    continue
                if send_ack:
                    self._send_ack(transaction)
                self._blockLayer.receive_response(transaction)
                if transaction.block_transfer:
                    transaction = self._messageLayer.send_request(transaction.request)
                    self.send_datagram(transaction.request)
                    continue
                elif transaction is None:  # pragma: no cover
                    self._send_rst(transaction)
                    return
                self._observeLayer.receive_response(transaction)
                if transaction.notification:  # pragma: no cover
                    ack = Message()
                    ack.type = defines.Types['ACK']
                    ack = self._messageLayer.send_empty(transaction, transaction.response, ack)
                    self.send_datagram(ack)
                    self._callback(transaction.response)
                else:
                    self._callback(transaction.response)
            elif isinstance(message, Message):
                self._messageLayer.receive_empty(message)

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def _send_rst(self, transaction):
        # Handle separate
        """
        Sends an RST message for the request.

        :param request: [request, sleep_time] or request
        """

        rst = Message()
        rst.type = defines.Types['RST']

        if not transaction.response.acknowledged:
            rst = self._messageLayer.send_empty(transaction, transaction.response, rst)
            self.send_datagram(rst)

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
    def receive_datagram(self, args):
        """
        Receive datagram from the udp socket.

        :rtype : Message
        """
        data, client_address = args

        serializer = Serializer()
        message = serializer.deserialize(data, client_address)
        if isinstance(message, int):
            logger.error("receive_datagram - BAD REQUEST")

            rst = Message()
            rst.destination = client_address
            rst.type = defines.Types["RST"]
            rst.code = message
            self.send_datagram(rst)
            return
        logger.debug("receive_datagram - " + str(message))
        if isinstance(message, Request):

            transaction = self._messageLayer.receive_request(message)

            if transaction.request.duplicated and transaction.completed:
                logger.debug("message duplicated,transaction completed")
                transaction = self._observeLayer.send_response(transaction)
                transaction = self._blockLayer.send_response(transaction)
                transaction = self._messageLayer.send_response(transaction)
                self.send_datagram(transaction.response)
                return
            elif transaction.request.duplicated and not transaction.completed:
                logger.debug("message duplicated,transaction NOT completed")
                self._send_ack(transaction)
                return

            transaction.separate_timer = self._start_separate_timer(transaction)

            transaction = self._blockLayer.receive_request(transaction)

            if transaction.block_transfer:
                self._stop_separate_timer(transaction.separate_timer)
                transaction = self._messageLayer.send_response(transaction)
                self.send_datagram(transaction.response)
                return

            transaction = self._observeLayer.receive_request(transaction)

            transaction = self._forwardLayer.receive_request_reverse(transaction)

            transaction = self._observeLayer.send_response(transaction)

            transaction = self._blockLayer.send_response(transaction)

            self._stop_separate_timer(transaction.separate_timer)

            transaction = self._messageLayer.send_response(transaction)

            if transaction.response is not None:
                if transaction.response.type == defines.Types["CON"]:
                    self._start_retrasmission(transaction, transaction.response)
                self.send_datagram(transaction.response)

        elif isinstance(message, Message):
            transaction = self._messageLayer.receive_empty(message)
            if transaction is not None:
                transaction = self._blockLayer.receive_empty(message, transaction)
                self._observeLayer.receive_empty(message, transaction)

        else:  # pragma: no cover
            logger.error("Received response from %s", message.source)

# 需要导入模块: from coapthon.messages.message import Message [as 别名]
# 或者: from coapthon.messages.message.Message import type [as 别名]
            message = serializer.deserialize(datagram, source)

            if isinstance(message, Response):
                transaction, send_ack = self._messageLayer.receive_response(message)
                if send_ack:
                    self._send_ack(transaction)
                transaction = self._blockLayer.receive_response(transaction)
                if transaction.block_transfer:
                    transaction = self._messageLayer.send_request(transaction.request)
                    self.send_datagram(transaction.request)
                    continue
                transaction = self._observeLayer.receive_response(transaction)
                if transaction.notification:
                    ack = Message()
                    ack.type = defines.Types['ACK']
                    ack = self._messageLayer.send_empty(transaction, transaction.response, ack)
                    self.send_datagram(ack)
                    self._callback(transaction.response)
                else:
                    self._callback(transaction.response)
            elif isinstance(message, Message):
                transaction = self._messageLayer.receive_empty(message)

    def _send_ack(self, transaction):
        # Handle separate
        """
        Sends an ACK message for the request.

        :param request: [request, sleep_time] or request
        """