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);
}
}
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));
}
