fix bug

Author: hughkli

LookinDemo/OC_Pod/LookinDemoOC/ViewController.m

@@ -40,15 +40,6 @@ - (void)viewDidLoad {
     [self.view addSubview:stackView];
 
     stackView.frame = self.view.bounds;
-    
-    
-    NSLog(@"UIStackViewAlignmentLeading %@", @(UIStackViewAlignmentLeading));
-    NSLog(@"UIStackViewAlignmentTop %@", @(UIStackViewAlignmentTop));
-    NSLog(@"UIStackViewAlignmentFirstBaseline %@", @(UIStackViewAlignmentFirstBaseline));
-    NSLog(@"UIStackViewAlignmentCenter %@", @(UIStackViewAlignmentCenter));
-    NSLog(@"UIStackViewAlignmentTrailing %@", @(UIStackViewAlignmentTrailing));
-    NSLog(@"UIStackViewAlignmentBottom %@", @(UIStackViewAlignmentBottom));
-    NSLog(@"UIStackViewAlignmentLastBaseline %@", @(UIStackViewAlignmentLastBaseline));
 }
 
 @end

Src/Main/Server/Connection/LKS_ConnectionManager.m

@@ -68,10 +68,17 @@ - (void)_handleWillResignActiveNotification {
 }
 
 - (void)_handleApplicationDidBecomeActive {
-//    NSLog(@"LookinServer(0.8.0) - UIApplicationDidBecomeActiveNotification");
     self.applicationIsActive = YES;
-    if (self.peerChannel_ && (self.peerChannel_.isConnected || self.peerChannel_.isListening)) {
-        return;
+    [self tryToListenPorts];
+}
+
+- (void)tryToListenPorts {
+    if (self.peerChannel_) {
+        // 除了 connected 和 listenin 状态之外，还可能是 close 状态。如果连接了 client 端，而 client 端又关闭了，那么这里的 channel 就会变成 close
+        if ([self.peerChannel_ isConnected] || [self.peerChannel_ isListening]) {
+//            NSLog(@"LookinServer - Abort connect trying. Already has active channel.");
+            return;
+        }
     }
     NSLog(@"LookinServer - Trying to connect ...");
     if ([self isiOSAppOnMac]) {
@@ -120,9 +127,6 @@ - (void)_tryToListenOnPortFrom:(int)fromPort to:(int)toPort current:(int)current
             NSLog(@"LookinServer - Connected successfully on 127.0.0.1:%d", currentPort);
             // 此时 peerChannel_ 状态为 listening
             self.peerChannel_ = channel;
-        
-//            UIAlertController *alert = [UIAlertController alertControllerWithTitle:[NSString stringWithFormat:@"%@", @(currentPort)] message:nil preferredStyle:UIAlertControllerStyleAlert];
-//            [[UIApplication sharedApplication].keyWindow.rootViewController presentViewController:alert animated:YES completion:nil];
         }
     }];
 }
@@ -187,17 +191,21 @@ - (void)ioFrameChannel:(Lookin_PTChannel*)channel didReceiveFrameOfType:(uint32_
 
 /// 当连接过 Lookin 客户端，然后 Lookin 客户端又被关闭时，会走到这里
 - (void)ioFrameChannel:(Lookin_PTChannel*)channel didEndWithError:(NSError*)error {
+//    NSLog(@"LookinServer - didEndWithError:%@", channel);
     [[NSNotificationCenter defaultCenter] postNotificationName:LKS_ConnectionDidEndNotificationName object:self];
+    [self tryToListenPorts];
 }
 
 /// 当 Client 端链接成功时，该方法会被调用，然后 channel 的状态会变成 connected
 - (void)ioFrameChannel:(Lookin_PTChannel*)channel didAcceptConnection:(Lookin_PTChannel*)otherChannel fromAddress:(Lookin_PTAddress*)address {
-    if (self.peerChannel_) {
-        [self.peerChannel_ cancel];
-    }
-    
+//    NSLog(@"LookinServer - didAcceptConnection:%@, current:%@", otherChannel, self.peerChannel_);
+    Lookin_PTChannel *previousChannel = self.peerChannel_;
     self.peerChannel_ = otherChannel;
     self.peerChannel_.userInfo = address;
+    
+    if (previousChannel && previousChannel != self.peerChannel_) {
+        [previousChannel cancel];
+    }
 }
 
 #pragma mark - Handler

Src/Main/Shared/Peertalk/Lookin_PTChannel.m

@@ -424,6 +424,7 @@ - (BOOL)acceptIncomingConnection:(dispatch_fd_t)serverSocketFD {
 
 
 - (void)close {
+//    NSLog(@"LookinServer - Channel will close: %@", self);
   if ((connState_ == kConnStateConnecting || connState_ == kConnStateConnected) && dispatchObj_channel_) {
     dispatch_io_close(dispatchObj_channel_, DISPATCH_IO_STOP);
     [self setDispatchChannel:NULL];
@@ -434,6 +435,7 @@ - (void)close {
 
 
 - (void)cancel {
+//    NSLog(@"LookinServer - Channel will cancel: %@", self);
   if ((connState_ == kConnStateConnecting || connState_ == kConnStateConnected) && dispatchObj_channel_) {
     dispatch_io_close(dispatchObj_channel_, 0);
     [self setDispatchChannel:NULL];