private static async Task WriteNextGameState(GameOfLifeRequest request, IServerStreamWriter <GameOfLifeResponse> responseStream, int chunkSize, IEnumerable <int> nextState)
{
GameOfLifeResponse gameStateResponse;
if (chunkSize == 0)
{
gameStateResponse = new GameOfLifeResponse();
gameStateResponse.GameState.AddRange(nextState);
await responseStream.WriteAsync(gameStateResponse);
}
else
{
for (int i = 0; i < nextState.Count(); i += chunkSize)
{
gameStateResponse = new GameOfLifeResponse();
gameStateResponse.GameState.AddRange(nextState.Skip(i).Take(chunkSize));
await responseStream.WriteAsync(gameStateResponse);
}
}
}
public override async Task GetState(GameOfLifeRequest request, IServerStreamWriter <GameOfLifeResponse> responseStream, ServerCallContext context)
{
var cancellationToken = context.CancellationToken;
Guid gameId = Guid.Parse(request.GameId);
GameOfLife _gameOfLife = new GameOfLife(gameId, request.GameSettings.Width, request.GameSettings.Height);
await WriteNextGameState(request, responseStream, request.GameSettings.ChunkSize, _gameOfLife.SeedGame(5));
while (!cancellationToken.IsCancellationRequested)
{
try
{
await WriteNextGameState(request, responseStream, request.GameSettings.ChunkSize, _gameOfLife.SpawnNextGeneration());
}
catch (OperationCanceledException)
{
_logger.LogInformation("Subscriber disconnected.");
break;
}
}
}
public override async Task GetState(GameOfLifeRequest request, IServerStreamWriter <GameOfLifeResponse> responseStream, ServerCallContext context)
{
_logger.LogInformation("Getting game state.");
try
{
var response = _client.GetState(request, headers: context.RequestHeaders, cancellationToken: context.CancellationToken);
while (await response.ResponseStream.MoveNext(context.CancellationToken))
{
System.Console.WriteLine($"NextState: {response.ResponseStream.Current.GameState.Count}");
await responseStream.WriteAsync(response.ResponseStream.Current);
}
}
catch (RpcException rpcException)
{
// cancelled, so...
}
catch (OperationCanceledException)
{
// cancelled, so...
}
}
