private async Task SubscribeToGroupManagementChannel()
{
var channel = await _bus.SubscribeAsync(_channels.GroupManagement);
channel.OnMessage(async channelMessage =>
{
try
{
var groupMessage = _protocol.ReadGroupCommand((byte[])channelMessage.Message);
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(_channels.Ack(groupMessage.ServerName), _protocol.WriteAck(groupMessage.Id));
}
catch (Exception ex)
{
RedisLog.InternalMessageFailed(_logger, ex);
}
});
}
