socket绑定问题

Ifish/controllers/leftcontrollers/IFishHotpotUDPHelper.m

@@ -24,6 +24,7 @@
 @property (nonatomic, strong) NSTimer *loopTimer;
 
 @property (nonatomic, assign) int tag;
+@property (nonatomic, assign) BOOL bindok;
 @property (nonatomic, copy) void(^closeBlock)(void);
 
 
@@ -46,20 +47,33 @@
 - (instancetype)init {
     if (self = [super init]) {
         self.clientSocket = [[AsyncUdpSocket alloc] initWithDelegate:self];
-        
-        UInt16 bindPort = 9954;
-        
-        NSError *error;
-        //本地接收端口
-        [self.clientSocket bindToPort:bindPort error:&error];
-        if (error) {
-            [self postmsg: error.localizedDescription];
-        }
+        self.bindok=NO;
+        [self bind];
     }
     return self;
 }
 
+-(void)bind
+{
+    if (!self.bindok)
+    {
+        UInt16 bindPort = 9954;
+        NSError *error;
+        //本地接收端口
+        [self.clientSocket bindToPort:bindPort error:&error];
+        if (error) {
+            [self postmsg:error.localizedDescription];
+            self.bindok=NO;
+        }
+        else
+        {
+            self.bindok=YES;
+        }
+    }
+    
+}
 - (void)loopTimerTick {
+    [self bind];
     if (self.tag == 0) {
         [self sendConnectHotspotSoketdata];
     } else if (self.tag == 1) {