DnsResolver.smali

.class public abstract Lcom/qiniu/android/dns/dns/DnsResolver;
.super Ljava/lang/Object;
.source "DnsResolver.java"

# interfaces
.implements Lcom/qiniu/android/dns/IResolver;


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;,
        Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;
    }
.end annotation


# static fields
.field private static defaultExecutorService:Ljava/util/concurrent/ExecutorService;

.field private static timeoutExecutorService:Ljava/util/concurrent/ScheduledExecutorService;


# instance fields
.field private final executorService:Ljava/util/concurrent/ExecutorService;

.field private final recordType:I

.field private final servers:[Ljava/lang/String;

.field protected final timeout:I


# direct methods
.method static constructor <clinit>()V
    .registers 1

    .line 22
    invoke-static {}, Ljava/util/concurrent/Executors;->newSingleThreadScheduledExecutor()Ljava/util/concurrent/ScheduledExecutorService;

    move-result-object v0

    sput-object v0, Lcom/qiniu/android/dns/dns/DnsResolver;->timeoutExecutorService:Ljava/util/concurrent/ScheduledExecutorService;

    .line 23
    const/4 v0, 0x4

    invoke-static {v0}, Ljava/util/concurrent/Executors;->newFixedThreadPool(I)Ljava/util/concurrent/ExecutorService;

    move-result-object v0

    sput-object v0, Lcom/qiniu/android/dns/dns/DnsResolver;->defaultExecutorService:Ljava/util/concurrent/ExecutorService;

    return-void
.end method

.method public constructor <init>(Ljava/lang/String;)V
    .registers 4
    .param p1, "server"    # Ljava/lang/String;

    .line 32
    const/4 v0, 0x1

    const/16 v1, 0xa

    invoke-direct {p0, p1, v0, v1}, Lcom/qiniu/android/dns/dns/DnsResolver;-><init>(Ljava/lang/String;II)V

    .line 33
    return-void
.end method

.method public constructor <init>(Ljava/lang/String;I)V
    .registers 4
    .param p1, "server"    # Ljava/lang/String;
    .param p2, "timeout"    # I

    .line 36
    const/4 v0, 0x1

    invoke-direct {p0, p1, v0, p2}, Lcom/qiniu/android/dns/dns/DnsResolver;-><init>(Ljava/lang/String;II)V

    .line 37
    return-void
.end method

.method public constructor <init>(Ljava/lang/String;II)V
    .registers 7
    .param p1, "server"    # Ljava/lang/String;
    .param p2, "recordType"    # I
    .param p3, "timeout"    # I

    .line 40
    const/4 v0, 0x0

    if-nez p1, :cond_5

    move-object v1, v0

    goto :goto_b

    :cond_5
    const/4 v1, 0x1

    new-array v1, v1, [Ljava/lang/String;

    const/4 v2, 0x0

    aput-object p1, v1, v2

    :goto_b
    invoke-direct {p0, v1, p2, p3, v0}, Lcom/qiniu/android/dns/dns/DnsResolver;-><init>([Ljava/lang/String;IILjava/util/concurrent/ExecutorService;)V

    .line 41
    return-void
.end method

.method public constructor <init>([Ljava/lang/String;II)V
    .registers 5
    .param p1, "servers"    # [Ljava/lang/String;
    .param p2, "recordType"    # I
    .param p3, "timeout"    # I

    .line 43
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 44
    iput p2, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->recordType:I

    .line 45
    if-lez p3, :cond_9

    move v0, p3

    goto :goto_b

    :cond_9
    const/16 v0, 0xa

    :goto_b
    iput v0, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->timeout:I

    .line 46
    iput-object p1, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->servers:[Ljava/lang/String;

    .line 47
    const/4 v0, 0x0

    iput-object v0, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->executorService:Ljava/util/concurrent/ExecutorService;

    .line 48
    return-void
.end method

.method public constructor <init>([Ljava/lang/String;IILjava/util/concurrent/ExecutorService;)V
    .registers 7
    .param p1, "servers"    # [Ljava/lang/String;
    .param p2, "recordType"    # I
    .param p3, "timeout"    # I
    .param p4, "executorService"    # Ljava/util/concurrent/ExecutorService;

    .line 50
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 51
    if-eqz p1, :cond_d

    array-length v0, p1

    const/4 v1, 0x1

    if-le v0, v1, :cond_d

    if-nez p4, :cond_d

    .line 52
    sget-object p4, Lcom/qiniu/android/dns/dns/DnsResolver;->defaultExecutorService:Ljava/util/concurrent/ExecutorService;

    .line 54
    :cond_d
    iput p2, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->recordType:I

    .line 55
    if-lez p3, :cond_13

    move v0, p3

    goto :goto_15

    :cond_13
    const/16 v0, 0xa

    :goto_15
    iput v0, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->timeout:I

    .line 56
    iput-object p1, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->servers:[Ljava/lang/String;

    .line 57
    iput-object p4, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->executorService:Ljava/util/concurrent/ExecutorService;

    .line 58
    return-void
.end method

.method static synthetic access$000(Lcom/qiniu/android/dns/dns/DnsResolver;)[Ljava/lang/String;
    .registers 2
    .param p0, "x0"    # Lcom/qiniu/android/dns/dns/DnsResolver;

    .line 20
    iget-object v0, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->servers:[Ljava/lang/String;

    return-object v0
.end method

.method private lookupHost(Ljava/lang/String;)Lcom/qiniu/android/dns/dns/DnsResponse;
    .registers 3
    .param p1, "host"    # Ljava/lang/String;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 81
    iget v0, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->recordType:I

    invoke-direct {p0, p1, v0}, Lcom/qiniu/android/dns/dns/DnsResolver;->request(Ljava/lang/String;I)Lcom/qiniu/android/dns/dns/DnsResponse;

    move-result-object v0

    return-object v0
.end method

.method private request(Ljava/lang/String;I)Lcom/qiniu/android/dns/dns/DnsResponse;
    .registers 21
    .param p1, "host"    # Ljava/lang/String;
    .param p2, "recordType"    # I
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 85
    move-object/from16 v8, p0

    move-object/from16 v9, p1

    iget-object v0, v8, Lcom/qiniu/android/dns/dns/DnsResolver;->servers:[Ljava/lang/String;

    if-eqz v0, :cond_b1

    array-length v0, v0

    if-eqz v0, :cond_b1

    .line 89
    if-eqz v9, :cond_a7

    invoke-virtual/range {p1 .. p1}, Ljava/lang/String;->length()I

    move-result v0

    if-eqz v0, :cond_a7

    .line 93
    new-instance v0, Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;

    invoke-direct {v0}, Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;-><init>()V

    move-object v10, v0

    .line 94
    .local v10, "canceller":Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;
    iget-object v0, v8, Lcom/qiniu/android/dns/dns/DnsResolver;->servers:[Ljava/lang/String;

    array-length v0, v0

    const/4 v1, 0x0

    const/4 v2, 0x1

    if-eq v0, v2, :cond_90

    iget-object v0, v8, Lcom/qiniu/android/dns/dns/DnsResolver;->executorService:Ljava/util/concurrent/ExecutorService;

    if-nez v0, :cond_26

    goto/16 :goto_90

    .line 104
    :cond_26
    new-instance v0, Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;

    invoke-direct {v0}, Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;-><init>()V

    move-object v11, v0

    .line 107
    .local v11, "responseComposition":Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;
    sget-object v0, Lcom/qiniu/android/dns/dns/DnsResolver;->timeoutExecutorService:Ljava/util/concurrent/ScheduledExecutorService;

    new-instance v2, Lcom/qiniu/android/dns/dns/DnsResolver$1;

    invoke-direct {v2, v8, v11, v9}, Lcom/qiniu/android/dns/dns/DnsResolver$1;-><init>(Lcom/qiniu/android/dns/dns/DnsResolver;Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;Ljava/lang/String;)V

    iget v3, v8, Lcom/qiniu/android/dns/dns/DnsResolver;->timeout:I

    int-to-long v3, v3

    sget-object v5, Ljava/util/concurrent/TimeUnit;->SECONDS:Ljava/util/concurrent/TimeUnit;

    invoke-interface {v0, v2, v3, v4, v5}, Ljava/util/concurrent/ScheduledExecutorService;->schedule(Ljava/util/concurrent/Callable;JLjava/util/concurrent/TimeUnit;)Ljava/util/concurrent/ScheduledFuture;

    .line 119
    new-instance v0, Ljava/util/ArrayList;

    invoke-direct {v0}, Ljava/util/ArrayList;-><init>()V

    move-object v12, v0

    .line 120
    .local v12, "futures":Ljava/util/List;, "Ljava/util/List<Ljava/util/concurrent/Future<*>;>;"
    iget-object v0, v8, Lcom/qiniu/android/dns/dns/DnsResolver;->servers:[Ljava/lang/String;

    array-length v13, v0

    const/4 v14, 0x0

    :goto_45
    if-ge v14, v13, :cond_6e

    aget-object v15, v0, v14

    .line 121
    .local v15, "server":Ljava/lang/String;
    iget-object v7, v8, Lcom/qiniu/android/dns/dns/DnsResolver;->executorService:Ljava/util/concurrent/ExecutorService;

    new-instance v6, Lcom/qiniu/android/dns/dns/DnsResolver$2;

    move-object v1, v6

    move-object/from16 v2, p0

    move-object v3, v10

    move-object v4, v15

    move-object/from16 v5, p1

    move-object/from16 v16, v0

    move-object v0, v6

    move/from16 v6, p2

    move/from16 v17, v13

    move-object v13, v7

    move-object v7, v11

    invoke-direct/range {v1 .. v7}, Lcom/qiniu/android/dns/dns/DnsResolver$2;-><init>(Lcom/qiniu/android/dns/dns/DnsResolver;Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;Ljava/lang/String;Ljava/lang/String;ILcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;)V

    invoke-interface {v13, v0}, Ljava/util/concurrent/ExecutorService;->submit(Ljava/lang/Runnable;)Ljava/util/concurrent/Future;

    move-result-object v0

    .line 151
    .local v0, "future":Ljava/util/concurrent/Future;, "Ljava/util/concurrent/Future<*>;"
    invoke-interface {v12, v0}, Ljava/util/List;->add(Ljava/lang/Object;)Z

    .line 120
    .end local v0    # "future":Ljava/util/concurrent/Future;, "Ljava/util/concurrent/Future<*>;"
    .end local v15    # "server":Ljava/lang/String;
    add-int/lit8 v14, v14, 0x1

    move-object/from16 v0, v16

    move/from16 v13, v17

    goto :goto_45

    .line 154
    :cond_6e
    monitor-enter v11

    .line 156
    :try_start_6f
    invoke-virtual {v11}, Ljava/lang/Object;->wait()V
    :try_end_72
    .catch Ljava/lang/InterruptedException; {:try_start_6f .. :try_end_72} :catch_75
    .catchall {:try_start_6f .. :try_end_72} :catchall_73

    .line 159
    goto :goto_7b

    .line 160
    :catchall_73
    move-exception v0

    goto :goto_8e

    .line 157
    :catch_75
    move-exception v0

    move-object v1, v0

    move-object v0, v1

    .line 158
    .local v0, "e":Ljava/lang/InterruptedException;
    :try_start_78
    invoke-virtual {v0}, Ljava/lang/InterruptedException;->printStackTrace()V

    .line 160
    .end local v0    # "e":Ljava/lang/InterruptedException;
    :goto_7b
    monitor-exit v11
    :try_end_7c
    .catchall {:try_start_78 .. :try_end_7c} :catchall_73

    .line 162
    invoke-virtual {v10}, Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;->cancel()V

    .line 164
    iget-object v0, v11, Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;->exception:Ljava/io/IOException;

    if-eqz v0, :cond_8b

    iget-object v0, v11, Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;->response:Lcom/qiniu/android/dns/dns/DnsResponse;

    if-eqz v0, :cond_88

    goto :goto_8b

    .line 165
    :cond_88
    iget-object v0, v11, Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;->exception:Ljava/io/IOException;

    throw v0

    .line 168
    :cond_8b
    :goto_8b
    iget-object v0, v11, Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;->response:Lcom/qiniu/android/dns/dns/DnsResponse;

    return-object v0

    .line 160
    :goto_8e
    :try_start_8e
    monitor-exit v11
    :try_end_8f
    .catchall {:try_start_8e .. :try_end_8f} :catchall_73

    throw v0

    .line 95
    .end local v11    # "responseComposition":Lcom/qiniu/android/dns/dns/DnsResolver$ResponseComposition;
    .end local v12    # "futures":Ljava/util/List;, "Ljava/util/List<Ljava/util/concurrent/Future<*>;>;"
    :cond_90
    :goto_90
    const/4 v0, 0x0

    .line 96
    .local v0, "response":Lcom/qiniu/android/dns/dns/DnsResponse;
    iget-object v2, v8, Lcom/qiniu/android/dns/dns/DnsResolver;->servers:[Ljava/lang/String;

    array-length v3, v2

    :goto_94
    if-ge v1, v3, :cond_a4

    aget-object v4, v2, v1

    .line 97
    .local v4, "server":Ljava/lang/String;
    move/from16 v5, p2

    invoke-virtual {v8, v10, v4, v9, v5}, Lcom/qiniu/android/dns/dns/DnsResolver;->request(Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;Ljava/lang/String;Ljava/lang/String;I)Lcom/qiniu/android/dns/dns/DnsResponse;

    move-result-object v0

    .line 98
    if-eqz v0, :cond_a1

    .line 99
    goto :goto_a6

    .line 96
    .end local v4    # "server":Ljava/lang/String;
    :cond_a1
    add-int/lit8 v1, v1, 0x1

    goto :goto_94

    :cond_a4
    move/from16 v5, p2

    .line 102
    :goto_a6
    return-object v0

    .line 89
    .end local v0    # "response":Lcom/qiniu/android/dns/dns/DnsResponse;
    .end local v10    # "canceller":Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;
    :cond_a7
    move/from16 v5, p2

    .line 90
    new-instance v0, Ljava/io/IOException;

    const-string v1, "host can not empty"

    invoke-direct {v0, v1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 85
    :cond_b1
    move/from16 v5, p2

    .line 86
    new-instance v0, Ljava/io/IOException;

    const-string/jumbo v1, "server can not empty"

    invoke-direct {v0, v1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    goto :goto_bd

    :goto_bc
    throw v0

    :goto_bd
    goto :goto_bc
.end method


# virtual methods
.method abstract request(Lcom/qiniu/android/dns/dns/DnsResolver$RequestCanceller;Ljava/lang/String;Ljava/lang/String;I)Lcom/qiniu/android/dns/dns/DnsResponse;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation
.end method

.method public resolve(Lcom/qiniu/android/dns/Domain;Lcom/qiniu/android/dns/NetworkInfo;)[Lcom/qiniu/android/dns/Record;
    .registers 10
    .param p1, "domain"    # Lcom/qiniu/android/dns/Domain;
    .param p2, "info"    # Lcom/qiniu/android/dns/NetworkInfo;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 62
    iget-object v0, p1, Lcom/qiniu/android/dns/Domain;->domain:Ljava/lang/String;

    invoke-direct {p0, v0}, Lcom/qiniu/android/dns/dns/DnsResolver;->lookupHost(Ljava/lang/String;)Lcom/qiniu/android/dns/dns/DnsResponse;

    move-result-object v0

    .line 63
    .local v0, "response":Lcom/qiniu/android/dns/dns/DnsResponse;
    if-eqz v0, :cond_52

    .line 67
    invoke-virtual {v0}, Lcom/qiniu/android/dns/dns/DnsResponse;->getAnswerArray()Ljava/util/List;

    move-result-object v1

    .line 68
    .local v1, "answers":Ljava/util/List;, "Ljava/util/List<Lcom/qiniu/android/dns/Record;>;"
    if-eqz v1, :cond_50

    invoke-interface {v1}, Ljava/util/List;->size()I

    move-result v2

    if-nez v2, :cond_15

    goto :goto_50

    .line 71
    :cond_15
    new-instance v2, Ljava/util/ArrayList;

    invoke-direct {v2}, Ljava/util/ArrayList;-><init>()V

    .line 72
    .local v2, "records":Ljava/util/List;, "Ljava/util/List<Lcom/qiniu/android/dns/Record;>;"
    invoke-interface {v1}, Ljava/util/List;->iterator()Ljava/util/Iterator;

    move-result-object v3

    :goto_1e
    invoke-interface {v3}, Ljava/util/Iterator;->hasNext()Z

    move-result v4

    if-eqz v4, :cond_46

    invoke-interface {v3}, Ljava/util/Iterator;->next()Ljava/lang/Object;

    move-result-object v4

    check-cast v4, Lcom/qiniu/android/dns/Record;

    .line 73
    .local v4, "record":Lcom/qiniu/android/dns/Record;
    invoke-virtual {v4}, Lcom/qiniu/android/dns/Record;->isA()Z

    move-result v5

    if-nez v5, :cond_42

    invoke-virtual {v4}, Lcom/qiniu/android/dns/Record;->isCname()Z

    move-result v5

    if-nez v5, :cond_42

    invoke-virtual {v4}, Lcom/qiniu/android/dns/Record;->isAAAA()Z

    move-result v5

    if-nez v5, :cond_42

    iget v5, v4, Lcom/qiniu/android/dns/Record;->type:I

    iget v6, p0, Lcom/qiniu/android/dns/dns/DnsResolver;->recordType:I

    if-ne v5, v6, :cond_45

    .line 74
    :cond_42
    invoke-interface {v2, v4}, Ljava/util/List;->add(Ljava/lang/Object;)Z

    .line 76
    .end local v4    # "record":Lcom/qiniu/android/dns/Record;
    :cond_45
    goto :goto_1e

    .line 77
    :cond_46
    const/4 v3, 0x0

    new-array v3, v3, [Lcom/qiniu/android/dns/Record;

    invoke-interface {v2, v3}, Ljava/util/List;->toArray([Ljava/lang/Object;)[Ljava/lang/Object;

    move-result-object v3

    check-cast v3, [Lcom/qiniu/android/dns/Record;

    return-object v3

    .line 69
    .end local v2    # "records":Ljava/util/List;, "Ljava/util/List<Lcom/qiniu/android/dns/Record;>;"
    :cond_50
    :goto_50
    const/4 v2, 0x0

    return-object v2

    .line 64
    .end local v1    # "answers":Ljava/util/List;, "Ljava/util/List<Lcom/qiniu/android/dns/Record;>;"
    :cond_52
    new-instance v1, Ljava/io/IOException;

    const-string/jumbo v2, "response is null"

    invoke-direct {v1, v2}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    goto :goto_5c

    :goto_5b
    throw v1

    :goto_5c
    goto :goto_5b
.end method