static async Task <IClusterClient> RunWatcher()
{
try
{
// Connect to local silo
var config = ClientConfiguration.LocalhostSilo();
var client = new ClientBuilder().UseConfiguration(config).Build();
await client.Connect();
// Hardcoded player ID
Guid playerId = new Guid("{2349992C-860A-4EDA-9590-000000000006}");
IPlayerGrain player = client.GetGrain <IPlayerGrain>(playerId);
IGameGrain game = null;
while (game == null)
{
Console.WriteLine("Getting current game for player {0}...", playerId);
try
{
game = await player.GetCurrentGame();
if (game == null) // Wait until the player joins a game
{
await Task.Delay(5000);
}
}
catch (Exception exc)
{
Console.WriteLine("Exception: ", exc.GetBaseException());
}
}
Console.WriteLine("Subscribing to updates for game {0}...", game.GetPrimaryKey());
// Subscribe for updates
var watcher = new GameObserver();
await game.SubscribeForGameUpdates(
await client.CreateObjectReference <IGameObserver>(watcher));
Console.WriteLine("Subscribed successfully. Press <Enter> to stop.");
return(client);
}
catch (Exception exc)
{
Console.WriteLine("Unexpected Error: {0}", exc.GetBaseException());
throw;
}
}
/// <summary>
/// Simulates a companion application that connects to the game that a particular player is currently part of
/// and subscribes to receive live notifications about its progress.
/// </summary>
static void Main(string[] args)
{
try
{
var config = ClientConfiguration.LocalhostSilo();
GrainClient.Initialize(config);
// Hardcoded player ID
Guid playerId = new Guid("{2349992C-860A-4EDA-9590-000000000006}");
IPlayerGrain player = GrainClient.GrainFactory.GetGrain <IPlayerGrain>(playerId);
IGameGrain game = null;
while (game == null)
{
Console.WriteLine("Getting current game for player {0}...", playerId);
try
{
game = player.GetCurrentGame().Result;
if (game == null) // Wait until the player joins a game
{
game = null;
Thread.Sleep(5000);
}
}
catch (Exception exc)
{
Console.WriteLine("Exception: ", exc.GetBaseException());
}
}
Console.WriteLine("Subscribing to updates for game {0}...", game.GetPrimaryKey());
// Subscribe for updates
var watcher = new GameObserver();
game.SubscribeForGameUpdates(GrainClient.GrainFactory.CreateObjectReference <IGameObserver>(watcher).Result).Wait();
// Block main thread so that the process doesn't exit. Updates arrive on thread pool threads.
Console.WriteLine("Subscribed successfully. Press <Enter> to stop.");
Console.ReadLine();
}
catch (Exception exc)
{
Console.WriteLine("Unexpected Error: {0}", exc.GetBaseException());
}
}
