/// <summary>
/// Event handler for when the asynchronous find network sessions
/// operation has completed.
/// </summary>
void FindSessionsOperationCompleted(object sender,
OperationCompletedEventArgs e)
{
GameScreen nextScreen;
try
{
// End the asynchronous find network sessions operation.
AvailableNetworkSessionCollection availableSessions =
NetworkSession.EndFind(e.AsyncResult);
if (availableSessions.Count == 0)
{
// If we didn't find any sessions, display an error.
availableSessions.Dispose();
nextScreen = new MessageBoxScreen(Resources.NoSessionsFound, false);
}
else
{
// If we did find some sessions, proceed to the JoinSessionScreen.
nextScreen = new JoinSessionScreen(availableSessions);
}
}
catch (Exception exception)
{
nextScreen = new NetworkErrorScreen(exception);
}
ScreenManager.AddScreen(nextScreen, ControllingPlayer);
}
/// <summary>
/// Callback to receive the network-session search results from quick-match.
/// </summary>
void QuickMatchSearchCompleted(object sender, OperationCompletedEventArgs e)
{
try
{
AvailableNetworkSessionCollection availableSessions =
NetworkSession.EndFind(e.AsyncResult);
if ((availableSessions != null) && (availableSessions.Count > 0))
{
// join the session
try
{
IAsyncResult asyncResult = NetworkSession.BeginJoin(
availableSessions[0], null, null);
// create the busy screen
NetworkBusyScreen busyScreen = new NetworkBusyScreen(
"Joining the session...", asyncResult);
busyScreen.OperationCompleted += QuickMatchSessionJoined;
ScreenManager.AddScreen(busyScreen);
}
catch (NetworkException ne)
{
const string message = "Failed joining the session.";
MessageBoxScreen messageBox = new MessageBoxScreen(message);
messageBox.Accepted += FailedMessageBox;
messageBox.Cancelled += FailedMessageBox;
ScreenManager.AddScreen(messageBox);
System.Console.WriteLine("Failed to join session: " +
ne.Message);
}
catch (GamerPrivilegeException gpe)
{
const string message =
"You do not have permission to join a session.";
MessageBoxScreen messageBox = new MessageBoxScreen(message);
messageBox.Accepted += FailedMessageBox;
messageBox.Cancelled += FailedMessageBox;
ScreenManager.AddScreen(messageBox);
System.Console.WriteLine(
"Insufficient privilege to join session: " + gpe.Message);
}
}
else
{
const string message = "No matches were found.";
MessageBoxScreen messageBox = new MessageBoxScreen(message);
messageBox.Accepted += FailedMessageBox;
messageBox.Cancelled += FailedMessageBox;
ScreenManager.AddScreen(messageBox);
}
}
catch (GamerPrivilegeException gpe) {
MessageBoxScreen messageBox = new MessageBoxScreen(gpe.Message);
messageBox.Accepted += FailedMessageBox;
messageBox.Cancelled += FailedMessageBox;
ScreenManager.AddScreen(messageBox);
}
}
private static void FindSessionsComplete(IAsyncResult result)
{
AvailableNetworkSessionCollection sessions = NetworkSession.EndFind(result);
FindSessionCompleteHandler call = (FindSessionCompleteHandler)result.AsyncState;
call.Invoke(sessions);
}
/// <summary>
/// Raised when a Live find query returns
/// </summary>
/// <param name="asyncResult"></param>
private void OnLiveSessionsFound(IAsyncResult asyncResult)
{
var sessions = new List <AvailableSession>();
AvailableNetworkSessionCollection availableLiveSessions = NetworkSession.EndFind(asyncResult);
foreach (AvailableNetworkSession availableLiveSession in availableLiveSessions)
{
sessions.Add(new LiveAvailableSession(availableLiveSession));
}
OnSessionsFound(sessions.AsReadOnly());
}
/* Completion of looking for sessions.
*/
protected virtual void OnSessionsFound(IAsyncResult ar)
{
findAsync_ = null;
AvailableNetworkSessionCollection availableSessions = NetworkSession.EndFind(ar);
if (availableSessions.Count != 0)
{
/* Pick one of the available sessions.
*/
List <AvailableNetworkSession> toChooseFrom = new List <AvailableNetworkSession>();
Trace.WriteLine(String.Format("Found {0} potential network sessions.", availableSessions.Count));
foreach (AvailableNetworkSession ans in availableSessions)
{
if (ans.OpenPublicGamerSlots < saveLocalPlayerCount &&
ans.OpenPublicGamerSlots < SignedInGamer.SignedInGamers.Count)
{
// full
continue;
}
if (sessionType != SessionType.HighscoresOnly || !previousSessionHosts.Member(ans.HostGamertag))
{
// this seems like an OK session, use that!
toChooseFrom.Add(ans);
}
}
if (toChooseFrom.Count > 0)
{
// pick one at random
AvailableNetworkSession ans = toChooseFrom[rand.Next(toChooseFrom.Count)];
previousSessionHosts.Add(ans.HostGamertag);
Trace.WriteLine(String.Format("Connecting to session hosted by '{0}'", ans.HostGamertag));
ConnectToSession(ans);
return;
}
else
{
/* I went through all the possible sessions, so now I can re-start looking
* at hosts I've previously talked to.
*/
previousSessionHosts.Clear();
}
}
// OK, nothing matched -- try to create something for others to find
Trace.WriteLine("Creating session because no available session was suitable.");
Debug.Assert(createAsync_ == null);
createAsync_ = NetworkSession.BeginCreate(netType, saveLocalPlayerCount, saveTotalPlayerCount,
0, saveProps, OnSessionCreated, null);
Debug.Assert(createAsync_.CompletedSynchronously == false);
}
/// <summary>
/// Callback to receive the network-session search results.
/// </summary>
internal void SessionsFound(object sender, OperationCompletedEventArgs e)
{
try
{
availableSessions = NetworkSession.EndFind(e.AsyncResult);
}
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 + gpe.Message);
messageBox.Accepted += FailedMessageBox;
messageBox.Cancelled += FailedMessageBox;
ScreenManager.AddScreen(messageBox);
System.Console.WriteLine(
"Insufficient privilege to search for session: " + gpe.Message);
}
MenuEntries.Clear();
if (availableSessions != null)
{
foreach (AvailableNetworkSession availableSession in
availableSessions)
{
if (availableSession.CurrentGamerCount < World.MaximumPlayers)
{
MenuEntries.Add(availableSession.HostGamertag + " (" +
availableSession.CurrentGamerCount.ToString() + "/" +
World.MaximumPlayers.ToString() + ")");
}
if (MenuEntries.Count >= maximumSessions)
{
break;
}
}
}
}
public void session_SessionFound(IAsyncResult result)
{
// All sessions found
AvailableNetworkSessionCollection availableSessions;
// The session we will join
AvailableNetworkSession availableSession = null;
if (AsyncSessionFind.IsCompleted)
{
Console.WriteLine("AsyncSessionFind.IsCompleted");
availableSessions = NetworkSession.EndFind(result);
// Look for a session with available gamer slots
foreach (AvailableNetworkSession curSession in availableSessions)
{
Console.WriteLine("foreach");
int TotalSessionSlots = curSession.OpenPublicGamerSlots + curSession.OpenPrivateGamerSlots;
if (TotalSessionSlots > curSession.CurrentGamerCount)
{
Console.WriteLine("TotalSessionSlots");
availableSession = curSession;
}
}
// If a session was found, connect to it
if (availableSession != null)
{
message = "Found an available session at host " + availableSession.HostGamertag;
session = NetworkSession.Join(availableSession);
}
else
{
message = "No sessions found.";
}
// Reset the session finding result
AsyncSessionFind = null;
}
}
private void EndAsynchSearch(IAsyncResult result)
{
AvailableNetworkSessionCollection activeSessions = NetworkSession.EndFind(result);
if (activeSessions.Count == 0)
{
currentGameState = GameState.CreateSession;
log.Add("No active sessions found - proceed to CreateSession");
}
else
{
AvailableNetworkSession sessionToJoin = activeSessions[0];
networkSession = NetworkSession.Join(sessionToJoin);
string myString = "Joined session hosted by " + sessionToJoin.HostGamertag;
myString += " with " + sessionToJoin.CurrentGamerCount.ToString() + " players";
myString += " and " + sessionToJoin.OpenPublicGamerSlots.ToString() + " open player slots.";
log.Add(myString);
HookSessionEvents();
currentGameState = GameState.InSession;
}
}
public virtual void session_SessionFound(IAsyncResult result)
{
// all sessions found
AvailableNetworkSessionCollection availableSessions;
// the session we will join
AvailableNetworkSession availableSession = null;
if (AsyncSessionFind.IsCompleted)
{
availableSessions = NetworkSession.EndFind(result);
// Look for a session with available gamer slots
foreach (AvailableNetworkSession curSession in
availableSessions)
{
int TotalSessionSlots = curSession.OpenPublicGamerSlots +
curSession.OpenPrivateGamerSlots;
if (TotalSessionSlots > curSession.CurrentGamerCount)
{
availableSession = curSession;
}
}
// if a session was found, connect to it
if (availableSession != null)
{
sayMessage("Found an available session at host" +
availableSession.HostGamertag);
Session = NetworkSession.Join(availableSession);
}
else
{
sayMessage("No sessions found!");
}
// Reset the session finding result
AsyncSessionFind = null;
}
}
private void NetSessionsFound(IAsyncResult res)
{
_asyncSessionOperationsInProgress--;
if (SessionsFound != null)
{
NetworkSessionsFoundEventArgs eventArgs = new NetworkSessionsFoundEventArgs();
try
{
eventArgs.AvailableSessions = NetworkSession.EndFind(res);
}
catch (Exception ex)
{
eventArgs.Error = ex;
}
SessionsFound(this, eventArgs);
if (eventArgs.SessionToJoin != null)
{
JoinSession(eventArgs.SessionToJoin);
}
}
}
public void CheckNetworkSearch()
{
if (IsCreating || IsJoining || IsSearching)
{
bool TemparyProfiles = false;
foreach (CompletePlayer player in game.ThisGamesPlayers)
{
if (player.InUse && !player.IsProfile)
{
TemparyProfiles = true;
}
}
if (!TemparyProfiles)
//if(true)
{
if (IsSearching && FindResult.IsCompleted)
{
FindResult.AsyncWaitHandle.WaitOne();
try
{
availableSessions = NetworkSession.EndFind(FindResult);
if (availableSessions.Count == 0)
{
SetString("No Games Found, Creating Game...");
CreateGame();
}
else
{
SetString(availableSessions.Count.ToString() + " Games Found\nFinding Best Game");
SortSessions();
}
IsSearching = false;
}
catch (Exception e)
{
// if(networkSession==null)
if (e.Message != null)
{
OnlineString = " ";
game.ErrorMessage = e.Message.Replace(". ", ".\n");
game.menus.GoTo("Error", false);
IsCreating = false;
IsJoining = false;
IsSearching = false;
}
}
IsSearching = false;
}
if (IsJoining && JoinResult.IsCompleted)
{
JoinResult.AsyncWaitHandle.WaitOne();
try
{
networkSession = NetworkSession.EndJoin(JoinResult);
HookSessionEvents();
BeginOnlineGameAsGuest();
}
catch (Exception e)
{
// if (networkSession == null)
if (e.Message != null)
{
OnlineString = " ";
game.ErrorMessage = e.Message.Replace(". ", ".\n");
game.menus.GoTo("Error", false);
IsCreating = false;
IsJoining = false;
IsSearching = false;
}
}
IsJoining = false;
}
if (IsCreating && CreateResult.IsCompleted)
{
CreateResult.AsyncWaitHandle.WaitOne();
try
{
networkSession = NetworkSession.EndCreate(CreateResult);
HookSessionEvents();
BeginOnlineGameAsHost();
}
catch (Exception e)
{
if (e.Message != null)
{
OnlineString = " ";
game.ErrorMessage = e.Message.Replace(". ", ".\n");
game.menus.GoTo("Error", false);
IsCreating = false;
IsJoining = false;
IsSearching = false;
}
}
IsCreating = false;
}
}
else
{
OnlineString = " ";
game.ErrorMessage = "No Temporary Profiles May Be Taken Online \n Sign into XBOX LIVE Guest Profiles Instead";
game.menus.GoTo("Error", false);
IsCreating = false;
IsJoining = false;
IsSearching = false;
}
}
}
/// <summary>
/// Update
/// </summary>
public override void Update(GameTime gameTime)
{
// Process different phases.
switch (phase)
{
case ConnectionPahse.EnsureSignedIn:
GamerServicesDispatcher.Update();
break;
case ConnectionPahse.FindSessions:
GamerServicesDispatcher.Update();
if (asyncResult.IsCompleted)
{
AvailableNetworkSessionCollection sessions =
NetworkSession.EndFind(asyncResult);
if (sessions.Count > 0)
{
asyncResult = NetworkSession.BeginJoin(sessions[0],
null, null);
commandHost.EchoError("Connecting to the host...");
phase = ConnectionPahse.Joining;
}
else
{
commandHost.EchoError("Couldn't find a session.");
phase = ConnectionPahse.None;
}
}
break;
case ConnectionPahse.Joining:
GamerServicesDispatcher.Update();
if (asyncResult.IsCompleted)
{
NetworkSession = NetworkSession.EndJoin(asyncResult);
NetworkSession.SessionEnded +=
new EventHandler <NetworkSessionEndedEventArgs>(
NetworkSession_SessionEnded);
OwnsNetworkSession = true;
commandHost.EchoError("Connected to the host.");
phase = ConnectionPahse.None;
asyncResult = null;
ConnectedToRemote();
}
break;
}
// Update Network session.
if (OwnsNetworkSession)
{
GamerServicesDispatcher.Update();
NetworkSession.Update();
if (NetworkSession != null)
{
// Process received packets.
foreach (LocalNetworkGamer gamer in NetworkSession.LocalGamers)
{
while (gamer.IsDataAvailable)
{
NetworkGamer sender;
gamer.ReceiveData(packetReader, out sender);
if (!sender.IsLocal)
{
ProcessRecievedPacket(packetReader.ReadString());
}
}
}
}
}
base.Update(gameTime);
}
public void Update()
{
if (PendingHost)
{
if (createResult.IsCompleted)
{
netPlay.NetSession = NetworkSession.EndCreate(createResult);
netPlay.Hosting = true;
PendingHost = false;
}
}
if (PendingFind)
{
if (findResult.IsCompleted)
{
AvailableNetworkSessionCollection availableSessions =
NetworkSession.EndFind(findResult);
if (availableSessions.Count > 0)
{
joinResult = NetworkSession.BeginJoin(
availableSessions[0], new AsyncCallback(GotResult), null);
PendingJoin = true;
}
PendingFind = false;
}
}
if (PendingJoin)
{
if (joinResult.IsCompleted)
{
netPlay.NetSession = NetworkSession.EndJoin(joinResult);
netPlay.Joined = true;
PendingJoin = false;
}
}
if (netPlay.Hosting)
{
//
}
if (netPlay.Joined)
{
//
}
if (netPlay.NetSession != null)
{
if (!netPlay.NetSession.IsDisposed)
{
bool ended = false;
if (netPlay.NetSession.SessionState == NetworkSessionState.Playing)
{
if (netPlay.NetSession.AllGamers.Count < 2)
{
ended = true;
}
}
else if (netPlay.NetSession.SessionState == NetworkSessionState.Ended)
{
ended = true;
}
if (ended)
{
Game1.Menu.EndGame();
netPlay.NetSession.Dispose();
netPlay.Hosting = false;
netPlay.Joined = false;
}
}
}
}
void DisposeSession()
{
if (session != null)
{
Trace.WriteLine(String.Format("Disposing session: sessionCloseTime {0} now {1}",
new DateTime(sessionCloseTime), DateTime.Now));
session.Dispose();
session = null;
sessionDisconnected = true;
}
sessionCloseTime = 0;
IDisposable id = null;
/* If I'm currently looking for sessions to join, stop that.
*/
if (findAsync_ != null)
{
try
{
id = NetworkSession.EndFind(findAsync_);
}
catch (System.Exception x)
{
Trace.WriteLine("Swallowing EndFind exception: " + x.ToString());
}
findAsync_ = null;
if (id != null)
{
id.Dispose();
}
}
/* If I'mcurrently looking to join a session, stop that.
*/
if (joinAsync_ != null)
{
try
{
id = NetworkSession.EndJoin(joinAsync_);
}
catch (System.Exception x)
{
Trace.WriteLine("Swallowing EndJoin exception: " + x.ToString());
}
joinAsync_ = null;
if (id != null)
{
id.Dispose();
}
}
/* If I'm currently trying to host a session, stop that.
*/
if (createAsync_ != null)
{
try
{
id = NetworkSession.EndCreate(createAsync_);
}
catch (System.Exception x)
{
Trace.WriteLine("Swallowing EndCreate exception: " + x.ToString());
}
createAsync_ = null;
if (id != null)
{
id.Dispose();
}
}
}
