private void SubscribeToGroupManagementChannel(IRedisServer server)
=> server.Subscriber.Subscribe(_channels.GroupManagement, async(_, data) =>
{
try
{
var groupMessage = _protocol.ReadGroupCommand((byte[])data);
var connection = _connections[groupMessage.ConnectionId];
if (connection == null)
{
// user not on this server
return;
}
if (groupMessage.Action == GroupAction.Remove)
{
await RemoveGroupAsyncCore(connection, groupMessage.GroupName);
}
if (groupMessage.Action == GroupAction.Add)
{
await AddGroupAsyncCore(connection, groupMessage.GroupName);
}
// Send an ack to the server that sent the original command.
await PublishAsync(server, _channels.Ack(groupMessage.ServerName), _protocol.WriteAck(groupMessage.Id));
}
catch (Exception ex)
{
RedisLog.InternalMessageFailed(_logger, ex);
}
});