Ejemplo n.º 1
0
    def message_callback(self, message):
        ROSTopicHz.callback_hz(self, message)
        with self.lock:
            self.timestamps.append(rospy.get_time())

            # FIXME: this only works for message of class AnyMsg
            #self.sizes.append(len(message._buff))
            # time consuming workaround...
            buff = StringIO()
            message.serialize(buff)
            self.sizes.append(len(buff.getvalue()))

            if len(self.timestamps) > self.window_size - 1:
                self.timestamps.pop(0)
                self.sizes.pop(0)
            assert(len(self.timestamps) == len(self.sizes))
            self.last_message = message
Ejemplo n.º 2
0
    def message_callback(self, message):
        ROSTopicHz.callback_hz(self, message)
        with self.lock:
            self.timestamps.append(rospy.get_time())

            # FIXME: this only works for message of class AnyMsg
            #self.sizes.append(len(message._buff))
            # time consuming workaround...
            buff = StringIO()
            message.serialize(buff)
            self.sizes.append(buff.len)

            if len(self.timestamps) > self.window_size - 1:
                self.timestamps.pop(0)
                self.sizes.pop(0)
            assert(len(self.timestamps) == len(self.sizes))

            self.last_message = message
Ejemplo n.º 3
0
    def message_callback(self, message):
        ROSTopicHz.callback_hz(self, message)
        with self.lock:
            self.timestamps.append(rospy.get_time())

            # FIXME: this only works for message of class AnyMsg
            #self.sizes.append(len(message._buff))
            # time consuming workaround...
            buff = StringIO()
            message.serialize(buff)

            # patch begin
            pos = buff.tell()
            buff.seek(0, os.SEEK_END)
            self.sizes.append(buff.tell())
            buff.seek(pos)
            # patch end

            if len(self.timestamps) > self.window_size - 1:
                self.timestamps.pop(0)
                self.sizes.pop(0)
            assert (len(self.timestamps) == len(self.sizes))

            self.last_message = message