334 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			Smali
		
	
	
	
	
	
			
		
		
	
	
			334 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			Smali
		
	
	
	
	
	
| .class public Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;
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| .super Ljava/lang/Object;
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| .source "RetryInterceptor.java"
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| 
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| # interfaces
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| .implements Lokhttp3/Interceptor;
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| 
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| 
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| # static fields
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| .field private static final BASE_RETRY_WAIT_MILLIS:I = 0x64
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| 
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| .field private static final JITTER:I = 0x64
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| 
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| .field private static final MAX_RETRY_COUNT:I = 0xc
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| 
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| .field private static final MAX_RETRY_WAIT_MILLIS:I = 0x493e0
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| 
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| .field private static final TAG:Ljava/lang/String; = "RetryInterceptor"
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| 
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| 
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| # direct methods
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| .method public static constructor <clinit>()V
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|     .locals 0
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| 
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|     return-void
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| .end method
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| 
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| .method public constructor <init>()V
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|     .locals 0
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| 
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|     .line 1
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|     invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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| 
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|     return-void
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| .end method
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| 
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| .method public static calculateBackoff(I)I
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|     .locals 6
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| 
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|     const/16 v0, 0xc
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| 
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|     if-lt p0, v0, :cond_0
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| 
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|     const p0, 0x493e0
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| 
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|     return p0
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| 
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|     :cond_0
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|     const-wide/high16 v0, 0x4000000000000000L    # 2.0
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| 
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|     int-to-double v2, p0
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| 
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|     .line 1
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|     invoke-static {v0, v1, v2, v3}, Ljava/lang/Math;->pow(DD)D
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| 
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|     move-result-wide v0
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| 
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|     const-wide/high16 v2, 0x4059000000000000L    # 100.0
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| 
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|     mul-double/2addr v0, v2
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| 
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|     invoke-static {}, Ljava/lang/Math;->random()D
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| 
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|     move-result-wide v4
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| 
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|     mul-double/2addr v4, v2
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| 
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|     add-double/2addr v4, v0
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| 
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|     const-wide v0, 0x41124f8000000000L    # 300000.0
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| 
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|     invoke-static {v4, v5, v0, v1}, Ljava/lang/Math;->min(DD)D
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| 
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|     move-result-wide v0
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| 
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|     double-to-int p0, v0
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| 
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|     return p0
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| .end method
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| 
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| .method private sleep(I)V
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|     .locals 3
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| 
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|     if-lez p1, :cond_0
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| 
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|     .line 1
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|     :try_start_0
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|     sget-object v0, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->TAG:Ljava/lang/String;
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| 
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|     new-instance v1, Ljava/lang/StringBuilder;
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| 
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|     invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
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| 
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|     const-string v2, "Will sleep for "
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| 
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|     invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
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| 
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|     invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
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| 
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|     const-string v2, " ms as per backoff sequence"
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| 
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|     invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
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| 
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|     invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
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| 
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|     move-result-object v1
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| 
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|     invoke-static {v0, v1}, Landroid/util/Log;->d(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     int-to-long v0, p1
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| 
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|     .line 2
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|     invoke-static {v0, v1}, Ljava/lang/Thread;->sleep(J)V
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|     :try_end_0
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|     .catch Ljava/lang/InterruptedException; {:try_start_0 .. :try_end_0} :catch_0
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| 
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|     goto :goto_0
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| 
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|     .line 3
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|     :catch_0
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|     sget-object p1, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->TAG:Ljava/lang/String;
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| 
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|     const-string v0, "Retry **wait** interrupted."
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| 
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|     invoke-static {p1, v0}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     :cond_0
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|     :goto_0
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|     return-void
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| .end method
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| 
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| 
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| # virtual methods
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| .method public intercept(Lokhttp3/Interceptor$Chain;)Lokhttp3/Response;
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|     .locals 6
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|     .annotation system Ldalvik/annotation/Throws;
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|         value = {
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|             Ljava/io/IOException;
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|         }
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|     .end annotation
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| 
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|     .line 1
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|     sget-object v0, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->TAG:Ljava/lang/String;
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| 
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|     const-string v1, "Retry Interceptor called"
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| 
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|     invoke-static {v0, v1}, Landroid/util/Log;->d(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     const/4 v0, -0x1
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| 
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|     const/4 v1, 0x0
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| 
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|     .line 2
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|     :goto_0
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|     invoke-direct {p0, v1}, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->sleep(I)V
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| 
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|     .line 3
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|     :try_start_0
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|     invoke-interface {p1}, Lokhttp3/Interceptor$Chain;->request()Lokhttp3/Request;
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| 
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|     move-result-object v1
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| 
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|     invoke-interface {p1, v1}, Lokhttp3/Interceptor$Chain;->proceed(Lokhttp3/Request;)Lokhttp3/Response;
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| 
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|     move-result-object v1
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|     :try_end_0
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|     .catch Ljava/io/IOException; {:try_start_0 .. :try_end_0} :catch_1
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| 
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|     .line 4
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|     invoke-virtual {v1}, Lokhttp3/Response;->isSuccessful()Z
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| 
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|     move-result v2
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| 
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|     if-eqz v2, :cond_0
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| 
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|     .line 5
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|     sget-object p1, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->TAG:Ljava/lang/String;
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| 
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|     const-string v0, "Returning network response: success"
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| 
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|     invoke-static {p1, v0}, Landroid/util/Log;->i(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     return-object v1
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| 
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|     :cond_0
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|     add-int/lit8 v0, v0, 0x1
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| 
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|     const-string v2, "Retry-After"
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| 
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|     .line 6
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|     invoke-virtual {v1, v2}, Lokhttp3/Response;->header(Ljava/lang/String;)Ljava/lang/String;
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| 
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|     move-result-object v2
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| 
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|     if-eqz v2, :cond_1
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| 
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|     .line 7
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|     :try_start_1
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|     invoke-static {v2}, Ljava/lang/Integer;->parseInt(Ljava/lang/String;)I
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| 
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|     move-result v3
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| 
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|     mul-int/lit16 v3, v3, 0x3e8
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| 
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|     .line 8
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|     invoke-virtual {v1}, Lokhttp3/Response;->close()V
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|     :try_end_1
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|     .catch Ljava/lang/NumberFormatException; {:try_start_1 .. :try_end_1} :catch_0
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| 
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|     move v2, v3
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| 
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|     goto :goto_1
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| 
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|     .line 9
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|     :catch_0
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|     sget-object v3, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->TAG:Ljava/lang/String;
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| 
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|     new-instance v4, Ljava/lang/StringBuilder;
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| 
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|     invoke-direct {v4}, Ljava/lang/StringBuilder;-><init>()V
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| 
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|     const-string v5, "Could not parse Retry-After header: "
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| 
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|     invoke-virtual {v4, v5}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
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| 
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|     invoke-virtual {v4, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
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| 
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|     invoke-virtual {v4}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
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| 
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|     move-result-object v2
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| 
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|     invoke-static {v3, v2}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     const-string v2, "Will proceed with exponential backoff strategy"
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| 
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|     .line 10
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|     invoke-static {v3, v2}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     .line 11
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|     :cond_1
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|     invoke-virtual {v1}, Lokhttp3/Response;->code()I
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| 
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|     move-result v2
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| 
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|     const/16 v3, 0x1f4
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| 
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|     if-lt v2, v3, :cond_2
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| 
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|     invoke-virtual {v1}, Lokhttp3/Response;->code()I
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| 
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|     move-result v2
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| 
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|     const/16 v3, 0x258
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| 
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|     if-lt v2, v3, :cond_3
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| 
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|     .line 12
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|     :cond_2
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|     invoke-virtual {v1}, Lokhttp3/Response;->code()I
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| 
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|     move-result v2
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| 
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|     const/16 v3, 0x1ad
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| 
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|     if-ne v2, v3, :cond_5
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| 
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|     .line 13
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|     :cond_3
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|     invoke-static {v0}, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->calculateBackoff(I)I
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| 
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|     move-result v2
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| 
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|     .line 14
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|     invoke-virtual {v1}, Lokhttp3/Response;->close()V
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| 
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|     :goto_1
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|     const v3, 0x493e0
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| 
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|     if-lt v2, v3, :cond_4
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| 
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|     .line 15
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|     sget-object p1, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->TAG:Ljava/lang/String;
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| 
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|     const-string v0, "Returning network response, retries exhausted"
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| 
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|     invoke-static {p1, v0}, Landroid/util/Log;->i(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     return-object v1
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| 
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|     :cond_4
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|     move v1, v2
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| 
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|     goto :goto_0
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| 
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|     .line 16
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|     :cond_5
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|     sget-object p1, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->TAG:Ljava/lang/String;
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| 
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|     const-string v0, "Encountered non-retriable error. Returning response"
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| 
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|     invoke-static {p1, v0}, Landroid/util/Log;->d(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     return-object v1
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| 
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|     :catch_1
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|     move-exception p1
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| 
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|     .line 17
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|     sget-object v0, Lcom/amazonaws/mobileconnectors/appsync/retry/RetryInterceptor;->TAG:Ljava/lang/String;
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| 
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|     new-instance v1, Ljava/lang/StringBuilder;
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| 
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|     invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
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| 
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|     const-string v2, "Encountered IO Exception making HTTP call ["
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| 
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|     invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
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| 
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|     invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;
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| 
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|     const-string v2, "]"
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| 
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|     invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
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| 
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|     invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
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| 
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|     move-result-object v1
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| 
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|     invoke-static {v0, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I
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| 
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|     .line 18
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|     throw p1
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| .end method
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