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Fix spectator not being thread-safe

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This commit is contained in:
smoogipoo 2020-12-02 19:02:49 +09:00
parent 297283491a
commit d5dccbc3d7
1 changed files with 25 additions and 8 deletions
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33
osu.Game/Online/Spectator/SpectatorStreamingClient.cs
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@ -36,6 +36,8 @@ namespace osu.Game.Online.Spectator
private readonly List<int> watchingUsers = new List<int>();
private readonly object userLock = new object();
public IBindableList<int> PlayingUsers => playingUsers;
private readonly BindableList<int> playingUsers = new BindableList<int>();
@ -144,12 +146,19 @@ namespace osu.Game.Online.Spectator
await connection.StartAsync();
Logger.Log("Spectator client connected!", LoggingTarget.Network);
// get all the users that were previously being watched
int[] users;
lock (userLock)
{
users = watchingUsers.ToArray();
watchingUsers.Clear();
}
// success
isConnected = true;
// resubscribe to watched users
var users = watchingUsers.ToArray();
watchingUsers.Clear();
foreach (var userId in users)
WatchUser(userId);
@ -238,21 +247,29 @@ namespace osu.Game.Online.Spectator
public virtual void WatchUser(int userId)
{
if (watchingUsers.Contains(userId))
return;
lock (userLock)
{
if (watchingUsers.Contains(userId))
return;
watchingUsers.Add(userId);
watchingUsers.Add(userId);
if (!isConnected) return;
if (!isConnected)
return;
}
connection.SendAsync(nameof(ISpectatorServer.StartWatchingUser), userId);
}
public void StopWatchingUser(int userId)
{
watchingUsers.Remove(userId);
lock (userLock)
{
watchingUsers.Remove(userId);
if (!isConnected) return;
if (!isConnected)
return;
}
connection.SendAsync(nameof(ISpectatorServer.EndWatchingUser), userId);
}