Пример #1
0
        private void OnMessageReceived(Nmea.NmeaMessage msg)
        {
            var args  = new NmeaMessageReceivedEventArgs(msg);
            var multi = msg as IMultiPartMessage;

            if (multi != null)
            {
                args.IsMultipart = true;
                if (MultiPartMessageCache.ContainsKey(msg.MessageType))
                {
                    var dic = MultiPartMessageCache[msg.MessageType];
                    if (dic.ContainsKey(multi.MessageNumber - 1) && !dic.ContainsKey(multi.MessageNumber))
                    {
                        dic[multi.MessageNumber] = msg;
                    }
                    else //Something is out of order. Clear cache
                    {
                        MultiPartMessageCache.Remove(msg.MessageType);
                    }
                }
                else if (multi.MessageNumber == 1)
                {
                    MultiPartMessageCache[msg.MessageType]    = new Dictionary <int, Nmea.NmeaMessage>(multi.TotalMessages);
                    MultiPartMessageCache[msg.MessageType][1] = msg;
                }
                if (MultiPartMessageCache.ContainsKey(msg.MessageType))
                {
                    var dic = MultiPartMessageCache[msg.MessageType];
                    if (dic.Count == multi.TotalMessages) //We have a full list
                    {
                        MultiPartMessageCache.Remove(msg.MessageType);
                        args.MessageParts = dic.Values.ToArray();
                    }
                }
            }

            if (MessageReceived != null)
            {
                MessageReceived(this, args);
            }
        }
Пример #2
0
        private void OnMessageReceived(Nmea.NmeaMessage msg)
        {
            if (msg == null)
            {
                return;
            }
            Nmea.NmeaMessage[] messageParts = null;
            if (msg is IMultiPartMessage multi)
            {
                string messageType = msg.MessageType.Substring(2); //We don't care about the two first characters. Ie GPGSV, GLGSV, GAGSV etc are all part of the same multi-part message
                if (MultiPartMessageCache.ContainsKey(messageType))
                {
                    var dic = MultiPartMessageCache[messageType];
                    if (dic.ContainsKey(multi.MessageNumber - 1) && !dic.ContainsKey(multi.MessageNumber))
                    {
                        dic[multi.MessageNumber] = msg;
                    }
                    else //Something is out of order. Clear cache
                    {
                        MultiPartMessageCache.Remove(messageType);
                    }
                }
                else if (multi.MessageNumber == 1)
                {
                    MultiPartMessageCache[messageType]    = new Dictionary <int, Nmea.NmeaMessage>(multi.TotalMessages);
                    MultiPartMessageCache[messageType][1] = msg;
                }
                if (MultiPartMessageCache.ContainsKey(messageType))
                {
                    var dic = MultiPartMessageCache[messageType];
                    if (dic.Count == multi.TotalMessages) //We have a full list
                    {
                        MultiPartMessageCache.Remove(messageType);
                        messageParts = dic.Values.ToArray();
                    }
                }
            }

            MessageReceived?.Invoke(this, new NmeaMessageReceivedEventArgs(msg, messageParts));
        }