public async Task <IReadOnlyCollection <ChatRoom> > ListRooms(CancellationToken token = default)
{
var operationToken = CancellationTokenSource.CreateLinkedTokenSource(clientLifetime.Token, token).Token;
var request = new ListRoomsRequest();
var response = await transport.Exchange <ListRoomsResponse>(request, operationToken);
return(response.Rooms);
}
public override async Task ListRooms(ListRoomsRequest request, IServerStreamWriter <AvailableRoom> responseStream, ServerCallContext context)
{
if (_chatRooms.IsEmpty)
{
//await responseStream.WriteAsync(new AvailableRoom());
return;
}
var keys = _chatRooms.Keys;
for (int i = 0; i < keys.Count; i++)
{
var item = new AvailableRoom();
var room = keys.ElementAt(i);
var participants = _chatRooms[room];
item.RoomName = room.Name;
item.Participants = String.Join(",", participants.Take(5));
//send them slowly, theres no need to rush this, after all
//the concurrent dictionary is subject to locks
await responseStream.WriteAsync(item);
}
}
