public virtual string UnSubscribeSymbol(string Symbol, List <string> Channels = null)
{
string Params = string.Empty;
lock ( SubscribedSymbols )
{
if (Channels == null)
{
// get/use all current Channels
SubscribeSymbolRec Rec = GetSubscribeSymbolRec(Symbol);
if (Rec != null)
{
Channels = Rec.Channels;
}
}
if (Channels != null)
{
Params = FormatChannelParamsForSymbol(Symbol, Channels);
if (!pgWebSocket.PGStatus.IsConnected)
{
QueueSubscribeData(Symbol, Params, Channels, false);
}
else
{
SendUnSubscribeMessage(Params);
}
}
}
return(Params);
}
public virtual string SubscribeSymbol(string Symbol, List <string> Channels = null, bool CreateRec = true)
{
string Params = string.Empty;
lock ( SubscribedSymbols )
{
if (CreateRec)
{
SubscribeSymbolRec Rec = GetSubscribeSymbolRec(Symbol);
if (Rec == null)
{
Rec = CreateSubscribeSymbolRec(Symbol, Channels);
}
Channels = Rec.Channels;
Rec.ChannelsAdded = Channels;
}
Params = FormatChannelParamsForSymbol(Symbol, Channels);
if (!pgWebSocket.PGStatus.IsConnected)
{
QueueSubscribeData(Symbol, Params, Channels, true, CreateRec);
}
else
{
SendSubscribeMessage(Params);
}
}
return(Params);
}
public void RemoveSymbol(string Symbol)
{
lock ( SubscribedSymbols )
{
UnSubscribeSymbol(Symbol);
SubscribeSymbolRec Rec = GetSubscribeSymbolRec(Symbol);
if (Rec != null)
{
SubscribedSymbols.Remove(GetSymbolOnly(Symbol));
}
}
}
private void SetSubscribeSymbolRecsFlags(string Params, bool IsNew, bool ChannelsWereRemoved)
{
List <string> Symbols = Params.Split(',').ToList();
foreach (var Symbol in Symbols)
{
SubscribeSymbolRec Rec = GetSubscribeSymbolRec(Symbol);
if (Rec != null)
{
Rec.IsNew = IsNew;
Rec.ChannelsWereRemoved = ChannelsWereRemoved;
}
}
}
public SubscribeSymbolRec CreateSubscribeSymbolRec(string Symbol, List <string> Channels = null)
{
Symbol = GetSymbolOnly(Symbol);
SubscribeSymbolRec Rec = GetSubscribeSymbolRec(Symbol, true);
if (Rec == null)
{
SubscribedSymbols[Symbol] = Rec = new SubscribeSymbolRec(Symbol)
{
// if Channels == null, use DefaultChannels for this Cluster
Channels = Channels != null ? Channels : new List <string>(DefaultChannels)
};
}
return(Rec);
}
private void VerifySubscribeSymbolRecsForParams(string Params, bool IsSubscribe)
{
List <string> Symbols = Params.Split(',').ToList();
foreach (var Symbol in Symbols)
{
SubscribeSymbolRec Rec = GetSubscribeSymbolRec(Symbol, true);
if (Rec == null)
{
Rec = CreateSubscribeSymbolRec(Symbol);
}
// add Params to every record for event listeners to find/use
Rec.Params = Params;
if (IsSubscribe)
{
Rec.ChannelsAdded.Clear();
}
else
{
Rec.ChannelsRemoved.Clear();
}
foreach (string Channel in Symbols)
{
if (IsSubscribe)
{
Rec.ChannelsAdded.Add(GetChannelOnly(Channel));
}
else
{
Rec.ChannelsRemoved.Add(GetChannelOnly(Channel));
}
}
Rec.Params = Params;
}
}
private void VerifyRemainingChannels(string Params)
{
List <string> Symbols = Params.Split(',').ToList();
foreach (var Symbol in Symbols)
{
SubscribeSymbolRec Rec = GetSubscribeSymbolRec(Symbol);
if (Rec != null)
{
foreach (string Channel in Symbols)
{
Rec.Channels.Remove(GetChannelOnly(Channel));
}
if (Rec.Channels.Count == 0)
{
SubscribedSymbols.Remove(Rec.Symbol);
}
// reset values
Rec.ChannelsWereRemoved = false;
}
}
}
