/// <summary>
/// Sends a Find query on the network interface to look for AvailableSession instances asynchrnously
/// </summary>
/// <param name="sessionType">The SessionType we're looking for</param>
/// <param name="maxLocalPlayers">The Maximum local players that can be added to the session used to filter sessions that have a limited number of opened public slots</param>
/// <param name="sessionProperties">The SessionProperties that will be used to filter query results. Can be null</param>
public override void FindSessions(SessionType sessionType, int maxLocalPlayers,
SessionProperties sessionProperties)
{
_networkSessionLocker = FindingSessions;
switch (sessionType)
{
case SessionType.WideAreaNetwork:
{
NetworkSession.BeginFind(NetworkSessionType.PlayerMatch, maxLocalPlayers,
LiveSessionProperties.ConvertToLiveSessionProperties(sessionProperties),
OnLiveSessionsFound,
_networkSessionLocker);
break;
}
case SessionType.LocalAreaNetwork:
{
NetworkSession.BeginFind(NetworkSessionType.SystemLink, maxLocalPlayers,
LiveSessionProperties.ConvertToLiveSessionProperties(sessionProperties),
OnLiveSessionsFound, _networkSessionLocker);
break;
}
default:
case SessionType.SplitScreen:
case SessionType.SinglePlayer:
throw new CoreException("Cannot look for a Device only session");
}
}
/// <summary>
/// Event handler for when the Find Sessions menu entry is selected.
/// </summary>
void FindSessionsMenuEntrySelected(object sender, PlayerIndexEventArgs e)
{
try
{
// Which local profiles should we include in this session?
IEnumerable <SignedInGamer> localGamers =
NetworkSessionComponent.ChooseGamers(sessionType,
ControllingPlayer.Value);
// Begin an asynchronous find network sessions operation.
IAsyncResult asyncResult = NetworkSession.BeginFind(sessionType,
localGamers, null, null, null);
// Activate the network busy screen, which will display
// an animation until this operation has completed.
NetworkBusyScreen busyScreen = new NetworkBusyScreen(asyncResult);
busyScreen.OperationCompleted += FindSessionsOperationCompleted;
ScreenManager.AddScreen(busyScreen, ControllingPlayer);
}
catch (Exception exception)
{
NetworkErrorScreen errorScreen = new NetworkErrorScreen(exception);
ScreenManager.AddScreen(errorScreen, ControllingPlayer);
}
}
/// <summary>
/// Event handler for when the Find Sessions menu entry is selected.
/// </summary>
void FindSessionsMenuEntrySelected(object sender, EventArgs e)
{
try
{
// Begin an asynchronous find network sessions operation.
IAsyncResult asyncResult = NetworkSession.BeginFind(sessionType,
NetworkSessionComponent.MaxLocalGamers,
null, null, null);
// Activate the network busy screen, which will display
// an animation until this operation has completed.
NetworkBusyScreen busyScreen = new NetworkBusyScreen(asyncResult);
busyScreen.OperationCompleted += FindSessionsOperationCompleted;
ScreenManager.AddScreen(busyScreen);
}
catch (NetworkException exception)
{
ScreenManager.AddScreen(new NetworkErrorScreen(exception));
}
catch (GamerPrivilegeException exception)
{
ScreenManager.AddScreen(new NetworkErrorScreen(exception));
}
}
private void ExecuteRemoteCommand(IDebugCommandHost host, string command,
IList <string> arguments)
{
if (NetworkSession == null)
{
try
{
GamerServicesDispatcher.WindowHandle = Game.Window.Handle;
GamerServicesDispatcher.Initialize(Game.Services);
}
catch { }
if (SignedInGamer.SignedInGamers.Count > 0)
{
commandHost.Echo("Finding available sessions...");
asyncResult = NetworkSession.BeginFind(
NetworkSessionType.SystemLink, 1, null, null, null);
phase = ConnectionPahse.FindSessions;
}
else
{
host.Echo("Please signed in.");
phase = ConnectionPahse.EnsureSignedIn;
}
}
else
{
ConnectedToRemote();
}
}
public void Find()
{
NetworkSessionProperties props = new NetworkSessionProperties();
findResult = NetworkSession.BeginFind(NetworkSessionType.SystemLink,
1, props, new AsyncCallback(GotResult), null);
PendingFind = true;
}
protected virtual void ActOnSessionTypeDesired()
{
/* Kick off a new find of network session information.
*/
Debug.Assert(findAsync_ == null);
findAsync_ = NetworkSession.BeginFind(netType, saveLocalPlayerCount, saveProps, OnSessionsFound, null);
Debug.Assert(findAsync_.CompletedSynchronously == false);
}
public virtual void AsyncFindSession()
{
sayMessage("Asynchronous search started!");
if (AsyncSessionFind == null)
{
AsyncSessionFind = NetworkSession.BeginFind(
NetworkSessionType.SystemLink, 1, null,
new AsyncCallback(session_SessionFound), null);
}
}
/// <summary>
/// Begins the process of asynchronously finding <see cref="AvailableNetworkSession"/>s.
/// </summary>
/// <param name="type">The type of the <see cref="NetworkSession"/> to find.</param>
/// <param name="gamers">The maximum number of local gamers to allow within the <see cref="NetworkSession"/>.</param>
/// <param name="reqProps">The <see cref="NetworkSessionProperties"/> that must be present on the found <see cref="NetworkSession"/>, or null if none.</param>
public void FindSessions(NetworkSessionType type, int gamers, NetworkSessionProperties reqProps)
{
if (_asyncSessionOperationsInProgress > 0)
{
throw new InvalidOperationException("An asynchronous session operation is already in progress.");
}
_asyncSessionOperationsInProgress++;
NetworkSession.BeginFind(type, gamers, reqProps, NetSessionsFound, null);
}
public void AsyncFindSession()
{
message = "Asynchronous search started!";
if (AsyncSessionFind == null)
{
AsyncSessionFind = NetworkSession.BeginFind(
NetworkSessionType.SystemLink, maximumLocalPlayers, null,
new AsyncCallback(session_SessionFound), null);
}
}
/// <summary>
/// Start searching for a session of the given type.
/// </summary>
/// <param name="sessionType">The type of session to look for.</param>
void FindSession(NetworkSessionType sessionType)
{
// create the new screen
SearchResultsScreen searchResultsScreen =
new SearchResultsScreen(sessionType);
searchResultsScreen.ScreenManager = this.ScreenManager;
ScreenManager.AddScreen(searchResultsScreen);
// start the search
try
{
IAsyncResult asyncResult = NetworkSession.BeginFind(sessionType, 1, null,
null, null);
// create the busy screen
NetworkBusyScreen busyScreen = new NetworkBusyScreen(
"Searching for a session...", asyncResult);
busyScreen.OperationCompleted += searchResultsScreen.SessionsFound;
ScreenManager.AddScreen(busyScreen);
}
catch (NetworkException ne)
{
const string message = "Failed searching for the session.";
MessageBoxScreen messageBox = new MessageBoxScreen(message);
messageBox.Accepted += FailedMessageBox;
messageBox.Cancelled += FailedMessageBox;
ScreenManager.AddScreen(messageBox);
System.Console.WriteLine("Failed to search for session: " +
ne.Message);
}
catch (GamerPrivilegeException gpe)
{
const string message =
"You do not have permission to search for a session.";
MessageBoxScreen messageBox = new MessageBoxScreen(message);
messageBox.Accepted += FailedMessageBox;
messageBox.Cancelled += FailedMessageBox;
ScreenManager.AddScreen(messageBox);
System.Console.WriteLine(
"Insufficient privilege to search for session: " + gpe.Message);
}
}
public void BeginGameSearch()
{
if (networkSession == null)
{
IsSearching = true;
SetString("Searching for Games...");
try
{
FindResult = NetworkSession.BeginFind(SessionType, 4, null, null, null);
}
catch (Exception e)
{
// if (networkSession == null)
OnlineString = e.Message;
}
}
}
public static void BeginFindSessions(NetworkSessionType networkSessionType, int p, FindSessionCompleteHandler callback)
{
IAsyncResult asyncResult = NetworkSession.BeginFind(networkSessionType,
p,
null, new AsyncCallback(FindSessionsComplete), callback);
}
protected override void Update(GameTime gameTime)
{
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
if (this.IsActive)
{
switch (currentGameState)
{
case GameState.SignIn:
{
if (Gamer.SignedInGamers.Count < 1)
{
Guide.ShowSignIn(1, false);
log.Add("Opened User SignIn Interface");
}
else
{
currentGameState = GameState.SearchSession;
log.Add(Gamer.SignedInGamers[0].Gamertag + " logged in - proceed to SearchSession");
}
}
break;
case GameState.SearchSession:
{
NetworkSession.BeginFind(NetworkSessionType.SystemLink, 2, null, EndAsynchSearch, null);
log.Add("ASynch search started - proceed to Searching");
log.Add("Searching");
currentGameState = GameState.Searching;
}
break;
case GameState.Searching:
{
log[log.Count - 1] += ".";
}
break;
case GameState.CreateSession:
{
networkSession = NetworkSession.Create(NetworkSessionType.SystemLink, 4, 16);
networkSession.AllowHostMigration = true;
networkSession.AllowJoinInProgress = false;
log.Add("New session created");
HookSessionEvents();
currentGameState = GameState.InSession;
}
break;
case GameState.InSession:
{
networkSession.Update();
}
break;
}
}
base.Update(gameTime);
}
