internal Task AddSubscription(RedisChannel channel, Action <RedisChannel, RedisValue> handler, CommandFlags flags, object asyncState)
{
if (handler != null)
{
bool asAsync = !ChannelMessageQueue.IsOneOf(handler);
lock (subscriptions)
{
if (subscriptions.TryGetValue(channel, out Subscription sub))
{
sub.Add(asAsync, handler);
}
else
{
sub = new Subscription(asAsync, handler);
subscriptions.Add(channel, sub);
var task = sub.SubscribeToServer(this, channel, flags, asyncState, false);
if (task != null)
{
return(task);
}
}
}
}
return(CompletedTask <bool> .Default(asyncState));
}
internal Task RemoveSubscription(RedisChannel channel, Action <RedisChannel, RedisValue> handler, CommandFlags flags, object asyncState)
{
lock (subscriptions)
{
bool asAsync = !ChannelMessageQueue.IsOneOf(handler);
if (subscriptions.TryGetValue(channel, out Subscription sub) && sub.Remove(asAsync, handler))
{
subscriptions.Remove(channel);
var task = sub.UnsubscribeFromServer(channel, flags, asyncState, false);
if (task != null)
{
return(task);
}
}
}
return(CompletedTask <bool> .Default(asyncState));
}
internal ChannelMessage(ChannelMessageQueue queue, in RedisChannel channel, in RedisValue value)
internal ChannelMessage(ChannelMessageQueue queue, RedisChannel channel, RedisValue value)
{
_queue = queue;
Channel = channel;
Message = value;
}