public void become_follower_with_term_reduction_is_fatal()
{
var audit = new Mock <IAuditLog>();
var planner = new Mock <IPlanner>();
using (var server = new RaftServer("a", audit.Object, planner.Object))
{
server.BecomeFollower(2);
Assert.That(() => server.BecomeFollower(1), Throws.Exception);
}
}
public void become_follower_updates_term()
{
var audit = new Mock <IAuditLog>();
var planner = new Mock <IPlanner>();
using (var server = new RaftServer("a", audit.Object, planner.Object))
{
server.BecomeFollower(2);
Assert.AreEqual(2, server.CurrentTerm);
}
}
public void become_follower_leads_to_become_candidate()
{
var audit = new Mock <IAuditLog>();
var planner = new Mock <IPlanner>();
using (var server = new RaftServer("a", audit.Object, planner.Object))
{
var t = server.BecomeFollower(2);
t.Wait(2000);
Assert.AreEqual(1, 1);
}
}
public override async void Execute(RaftServer server, bool AsLeader)
{
lock (server)
{
server.HasGameStarted = false;
server.GameStartRequest = false;
server.SessionClientsAddress = new List <Uri>();
//send end to all clients in game
}
//sending info to clients
if (AsLeader)
{
foreach (IClient client in server.SessionClients)
{
await Task.Run(() =>
{
try
{
client.End(server.StateMachine.GetTopPlayer());
}
catch (Exception ee)
{
}
;
});
}
}
lock (server)
{
server.SessionClients = new List <IClient>();
if (AsLeader)
{
if (!server.HasGameStarted && !server.GameStartRequest &&
server.PendingClients.Count >= server.NumPlayers)
{
StartCommand startCommand = new StartCommand()
{
Name = "Start"
};
bool response;
int commitAt;
server.OnCommand(startCommand);
}
}
}
}
public override void Execute(RaftServer server, bool AsLeader)
{
Console.WriteLine("Join Commited.");
IClient client = (IClient)Activator.GetObject(
typeof(IClient),
address.ToString() + "Client");
server.PendingClients.Add(client);
Console.WriteLine("ADDDED NOW PENDING: " + server.PendingClients.Count);
if (AsLeader)
{
Console.WriteLine("AS LEADER");
//Have enough players
if (!server.HasGameStarted && !server.GameStartRequest &&
server.PendingClients.Count >= server.NumPlayers)
{
server.GameStartRequest = true; // this is used to make sure no more startgame logs are created before the startgame entry is commited
//Make start Log
StartCommand startCommand = new StartCommand()
{
Name = "Start"
};
bool accepted;
int commitedAt;
server.OnCommand(startCommand);
/*
* if (server.PeerURIs.Count == 1)
* {
* //I'm the only one, I can commit everything
* server.CommitIndex = server.Log.Count - 1;
* Task.Run(() => server.StateMachine(server.Log[server.CommitIndex].Command));
* }*/
//Task.Run(() => server.OnHeartbeatTimerOrSendTrigger());
}
}
}
static void Main(string[] args)
{
Console.WriteLine(DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond);
Console.ReadLine();
Uri r1URI = new Uri("tcp://127.0.0.1:50006");
Uri r2URI = new Uri("tcp://127.0.0.1:50007");
Uri r3URI = new Uri("tcp://127.0.0.1:50008");
RaftServer r1 = new RaftServer(r1URI, 1, 20);
RaftServer r2 = new RaftServer(r2URI, 1, 20);
RaftServer r3 = new RaftServer(r3URI, 1, 20);
List <Uri> list = new List <Uri>();
list.Add(r1URI);
list.Add(r2URI);
list.Add(r3URI);
r1.Start(list);
r2.Start(list);
r3.Start(list);
Task.Run(() => {
Uri clientURL = new Uri("tcp://127.0.0.1:50009");
Hub hub = new Hub(list, clientURL, new SimpleGame());
hub.OnStart += (stage) =>
{
global::System.Console.WriteLine("GAME STARTING IN CLIENT");
};
try
{
JoinResult result = hub.Join("TESTE");
}
catch (InvalidUsernameException exc)
{
}
});
/*
* Timer tmr = new Timer();
*
* tmr.Interval = 5000; // 0.1 second
* tmr.Elapsed += (object sender, ElapsedEventArgs e) =>
* {
* bool accepted;
* int commitedAt;
* r1.OnCommand(new RaftCommand() { Name = "TEste1" }, out accepted, out commitedAt);
* r2.OnCommand(new RaftCommand() { Name = "TEste2" }, out accepted, out commitedAt);
* r3.OnCommand(new RaftCommand() { Name = "TEste3" }, out accepted, out commitedAt);
* r1.OnCommand(new RaftCommand() { Name = "TEste4" }, out accepted, out commitedAt);
* r2.OnCommand(new RaftCommand() { Name = "TEste5" }, out accepted, out commitedAt);
* r3.OnCommand(new RaftCommand() { Name = "TEste6" }, out accepted, out commitedAt);
* }; // We'll write it in a bit
*
* tmr.Start(); // The countdown is launched!
*/
/* Uri uri = new Uri();
* Server.Server server = new Server.Server();
* Server.Server server2 = new Server.Server(new Uri("tcp:3002"), new Uri("tcp:3001"));
* Server.Server server3 = new Server.Server(new Uri("tcp:3003"), new Uri("tcp:3001"));
* Console.ReadLine();*/
Console.ReadLine();
}
public override void Execute(RaftServer server, bool AsLeader)
{
server.plays[Address] = Play;
}
public override void Execute(RaftServer server, bool AsLeader)
{
server.GameStartRequest = false; //request fullfilled
Console.WriteLine("Game start commited. AsLeader: " + AsLeader);
//In the leader it might be necessary to lock
try
{
foreach (IClient client2 in server.PendingClients)
{
Console.WriteLine($"pending {client2.Address}");
}
server.SessionClients = server.PendingClients.Take(server.NumPlayers).ToList(); //get the first N clients
server.PendingClients = server.PendingClients.Skip(server.NumPlayers).ToList();
server.PlayerList = new List <IPlayer>();
Console.WriteLine($"Numplayers {server.NumPlayers}");
//Console.WriteLine(System.Environment.StackTrace);
server.HasGameStarted = true;
foreach (IClient client2 in server.SessionClients)
{
server.SessionClientsAddress.Add(client2.Address);
Console.WriteLine($"Address session players {client2.Address}");
IPlayer player = new Player();
player.Address = client2.Address;
player.Alive = true;
player.Score = 0;
player.Username = client2.Username;
server.PlayerList.Add(player);
}
Console.WriteLine("Creating State Machine");
server.StateMachine = new GameStateMachine(server.NumPlayers, server.PlayerList);
if (AsLeader)
{
Console.WriteLine("Contacting Clients");
//Broadcast the start signal to the client
Dictionary <string, Uri> clientsP2P = new Dictionary <string, Uri>();
foreach (IClient c in server.SessionClients)
{
clientsP2P[c.Username] = c.Address;
}
//Communication with the client must be done with the leader
for (int i = server.SessionClients.Count - 1; i >= 0; i--)
{
try
{
IClient client2 = server.SessionClients.ElementAt(i);
client2.Start(server.StateMachine.Stage); //Signal the start
client2.SetPeers(clientsP2P); //Set the Peers for the P2P chat
}
catch (Exception e)
{
Console.WriteLine(e);
//server.SessionClients.RemoveAt(i);
//todo : maybe remove from the whole list of clients
// todo: try to reach the client again. Uma thread à parte. Verificar se faz sentido.
}
}
//Start the game timer
server.RoundTimer.AutoReset = false;
server.RoundTimer.Start();
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
public async override void Execute(RaftServer server, bool AsLeader)
{
// Console.WriteLine("number players:" + server.StateMachine.Stage.GetPlayers().Count);
foreach (Uri address in server.plays.Keys)
{
IPlayer player = server.StateMachine
.Stage.GetPlayers().First(p => p.Address.ToString() == address.ToString());
server.StateMachine.SetPlay(player, server.plays[address]);
}
server.plays.Clear();
List <Shared.Action> actionList = server.StateMachine.NextRound();
if (AsLeader)
{
if (server.SessionClients.Count == 0)
{
foreach (Uri uri in server.SessionClientsAddress)
{
IClient client = (IClient)Activator.GetObject(
typeof(IClient),
uri.ToString() + "Client");
server.SessionClients.Add(client);
}
}
Console.WriteLine("EXECUTE ROUND AS LEADER");
for (int i = server.SessionClients.Count - 1; i >= 0; i--)
{
await Task.Run(() =>
{
IClient client;
try
{
client = server.SessionClients[i];
Console.WriteLine(actionList);
Console.WriteLine(server.PlayerList);
Console.WriteLine(server.StateMachine.Round);
Console.WriteLine(server.Address);
client.SendRound(actionList, server.PlayerList, server.StateMachine.Round,
server.Address.ToString());
// Console.WriteLine(String.Format("Sending stage to client: {0}, at: {1}", client.Username, client.Address));
// Console.WriteLine(String.Format("Round Nº{0}", server.StateMachine.Round));
}
catch (Exception ex)
{
Console.WriteLine("CANT CONTACT CLIENT" + ex);
//server.SessionClients.RemoveAt(i);
// todo: try to reach the client again. Uma thread à parte. Verificar se faz sentido.
/*todo:
* qual a estrategia a adoptar aqui para tentar reconectar com o cliente?
*
* Dectar falhas de clientes, lidar com falsos positivos.
*
* Caso não seja pssível contactar o cliente, na próxima ronda deve de ir uma acção em que o player
* está morto, e deve ser removido do jogo.
* E deve ser apresentado no chat UMA MENSAGEM no chat a indicar que o jogador saiu do jogo
*
* garantimos a possibilidade de um cliente voltar a entrar no jogo?
*
*/
}
});
}
}
server.RoundTimer.Start(); //Start the timer
}
