Question

我有一个应用程序会抛出GKSession并在各种条件下创建一个新的应用程序（连接超时，会话失败等）。但是我遇到了内存泄漏，并且在重新连接几次循环之后它有时会崩溃。

这是我的代码：

- (void) netConnect:(id) sender {
     NSLog(@"allocating GKSession");

     currentSession = [[GKSession alloc] initWithSessionID:nil displayName:nil sessionMode:GKSessionModePeer];
     currentSession.delegate = self;
     currentSession.available = YES;
     currentSession.disconnectTimeout = 0;
     [currentSession setDataReceiveHandler: self withContext:nil]; 
        }

- (void) netDisconnect:(id) sender {
     NSLog(@"DISCONNECTING BY REQUEST");

     [currentSession disconnectFromAllPeers];
     [currentSession setAvailable:NO];
     [currentSession setDelegate:nil];
     [currentSession setDataReceiveHandler:nil withContext:nil];
     [currentSession release];
     currentSession = nil;
    }

有一个等待连接成功的计时器;如果它没有得到一个，则调用netDisconnect，然后在5秒NSTimer延迟后再次调用netConnect。

我正在泄露GKList，GKTable和GKAutoPeerIDTable对象，并且像这样崩溃（总是在alloc之后发生）：

  Date/Time:       2010-09-05 09:35:59.426 -0700
  OS Version:      iPhone OS 4.0.2 (8A400)
  Report Version:  104

  Exception Type:  EXC_BAD_ACCESS (SIGBUS)
  Exception Codes: KERN_PROTECTION_FAILURE at 0x0000000a
  Crashed Thread:  0

  Thread 0 Crashed:
  0   libobjc.A.dylib                0x0000286c objc_msgSend + 16
  1   CoreFoundation                 0x000756ea __CFCopyFormattingDescription + 174
  2   CoreFoundation                 0x00081c8e __CFStringAppendFormatCore + 8666
  3   CoreFoundation                 0x000146ac _CFStringCreateWithFormatAndArgumentsAux + 64
  4   CoreFoundation                 0x00014660 CFStringCreateWithFormatAndArguments + 16
  5   CoreFoundation                 0x0001463c CFStringCreateWithFormat + 16
  6   SystemConfiguration            0x00003272 SCDynamicStoreCreateWithOptions + 62
  7   SystemConfiguration            0x000033d0 SCDynamicStoreCreate + 12
  8   GameKitServices                0x000020ce gckRegisterForNetworkChanges + 154
  9   GameKitServices                0x000035c0 GCKSessionCreate + 788
  10  GameKitServices                0x00035e7a -[GKSessionInternal initWithSessionID:displayName:session:sessionMode:] + 274
  11  GameKit                        0x0000fda8 -[GKSession initWithSessionID:displayName:sessionMode:] + 76

这是另一个：

Sun Sep  5 10:28:52 thinner someapp[424] <Warning>: allocating GKSession
Sun Sep  5 10:28:52 thinner someapp[424] <Error>: -[__NSCFData UTF8String]: unrecognized selector sent to instance 0x10a710
Sun Sep  5 10:28:52 thinner someapp[424] <Error>: *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFData UTF8String]: unrecognized selector sent to instance 0x10a710'
*** Call stack at first throw:
(
    0   CoreFoundation                      0x31a9ffd3 __exceptionPreprocess + 114
    1   libobjc.A.dylib                     0x3428a8a5 objc_exception_throw + 24
    2   CoreFoundation                      0x31aa3a77 -[NSObject(NSObject) doesNotRecognizeSelector:] + 102
    3   CoreFoundation                      0x31aa2f15 ___forwarding___ + 508
    4   CoreFoundation                      0x31a35680 _CF_forwarding_prep_0 + 48
    5   GameKitServices                     0x327aff13 -[GKSessionInternal initWithSessionID:displayName:session:sessionMode:] + 426
    6   GameKit                             0x31c15daf -[GKSession initWithSessionID:displayName:sessionMode:] + 82
    7   someapp                        0x0000584b -[MainViewController netConnect:] + 126

问题：
•这是发布和重新分配GKSessions的正确方法吗？ •我不应该拆开并在连接之间重新分配GKSession吗？

Answer 1

这是一个已知问题。解决方法是不为sessionID传递nil： [[GKSession alloc] initWithSessionID：@“com.put.something.here”displayName：nil sessionMode：GKSessionModePeer];

GKSession alloc / release / alloc =泄漏和崩溃

1 个答案: