MultiplexingDiscovery.smali

.class public Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;
.super Ljava/lang/Object;
.source "MultiplexingDiscovery.java"

# interfaces
.implements Lorg/bitcoinj/net/discovery/PeerDiscovery;


# static fields
.field private static final log:Lorg/slf4j/Logger;


# instance fields
.field protected final netParams:Lorg/bitcoinj/core/NetworkParameters;

.field protected final seeds:Ljava/util/List;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/List",
            "<",
            "Lorg/bitcoinj/net/discovery/PeerDiscovery;",
            ">;"
        }
    .end annotation
.end field

.field private volatile vThreadPool:Ljava/util/concurrent/ExecutorService;


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

    .prologue
    .line 45
    const-class v0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;

    invoke-static {v0}, Lorg/slf4j/LoggerFactory;->getLogger(Ljava/lang/Class;)Lorg/slf4j/Logger;

    move-result-object v0

    sput-object v0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->log:Lorg/slf4j/Logger;

    return-void
.end method

.method public constructor <init>(Lorg/bitcoinj/core/NetworkParameters;Ljava/util/List;)V
    .registers 4
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "(",
            "Lorg/bitcoinj/core/NetworkParameters;",
            "Ljava/util/List",
            "<",
            "Lorg/bitcoinj/net/discovery/PeerDiscovery;",
            ">;)V"
        }
    .end annotation

    .prologue
    .line 78
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 79
    invoke-interface {p2}, Ljava/util/List;->isEmpty()Z

    move-result v0

    if-nez v0, :cond_12

    const/4 v0, 0x1

    :goto_a
    invoke-static {v0}, Lcom/google/common/base/n;->checkArgument(Z)V

    .line 80
    iput-object p1, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->netParams:Lorg/bitcoinj/core/NetworkParameters;

    .line 81
    iput-object p2, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->seeds:Ljava/util/List;

    .line 82
    return-void

    .line 79
    :cond_12
    const/4 v0, 0x0

    goto :goto_a
.end method

.method public static forServices(Lorg/bitcoinj/core/NetworkParameters;J)Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;
    .registers 12

    .prologue
    const/4 v0, 0x0

    .line 1088
    new-instance v2, Ljava/util/ArrayList;

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

    .line 59
    invoke-virtual {p0}, Lorg/bitcoinj/core/NetworkParameters;->getHttpSeeds()[Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;

    move-result-object v3

    .line 60
    if-eqz v3, :cond_22

    .line 61
    new-instance v4, Lcom/squareup/okhttp/x;

    invoke-direct {v4}, Lcom/squareup/okhttp/x;-><init>()V

    .line 62
    array-length v5, v3

    move v1, v0

    :goto_13
    if-ge v1, v5, :cond_22

    aget-object v6, v3, v1

    .line 63
    new-instance v7, Lorg/bitcoinj/net/discovery/HttpDiscovery;

    invoke-direct {v7, p0, v6, v4}, Lorg/bitcoinj/net/discovery/HttpDiscovery;-><init>(Lorg/bitcoinj/core/NetworkParameters;Lorg/bitcoinj/net/discovery/HttpDiscovery$Details;Lcom/squareup/okhttp/x;)V

    invoke-interface {v2, v7}, Ljava/util/List;->add(Ljava/lang/Object;)Z

    .line 62
    add-int/lit8 v1, v1, 0x1

    goto :goto_13

    .line 66
    :cond_22
    const-wide/16 v4, 0x0

    cmp-long v1, p1, v4

    if-nez v1, :cond_3e

    .line 67
    invoke-virtual {p0}, Lorg/bitcoinj/core/NetworkParameters;->getDnsSeeds()[Ljava/lang/String;

    move-result-object v1

    .line 68
    if-eqz v1, :cond_3e

    .line 69
    array-length v3, v1

    :goto_2f
    if-ge v0, v3, :cond_3e

    aget-object v4, v1, v0

    .line 70
    new-instance v5, Lorg/bitcoinj/net/discovery/DnsDiscovery$DnsSeedDiscovery;

    invoke-direct {v5, p0, v4}, Lorg/bitcoinj/net/discovery/DnsDiscovery$DnsSeedDiscovery;-><init>(Lorg/bitcoinj/core/NetworkParameters;Ljava/lang/String;)V

    invoke-interface {v2, v5}, Ljava/util/List;->add(Ljava/lang/Object;)Z

    .line 69
    add-int/lit8 v0, v0, 0x1

    goto :goto_2f

    .line 72
    :cond_3e
    new-instance v0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;

    invoke-direct {v0, p0, v2}, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;-><init>(Lorg/bitcoinj/core/NetworkParameters;Ljava/util/List;)V

    return-object v0
.end method


# virtual methods
.method protected createExecutor()Ljava/util/concurrent/ExecutorService;
    .registers 4

    .prologue
    .line 128
    iget-object v0, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->seeds:Ljava/util/List;

    invoke-interface {v0}, Ljava/util/List;->size()I

    move-result v0

    new-instance v1, Lorg/bitcoinj/utils/ContextPropagatingThreadFactory;

    const-string v2, "Multiplexing discovery"

    invoke-direct {v1, v2}, Lorg/bitcoinj/utils/ContextPropagatingThreadFactory;-><init>(Ljava/lang/String;)V

    invoke-static {v0, v1}, Ljava/util/concurrent/Executors;->newFixedThreadPool(ILjava/util/concurrent/ThreadFactory;)Ljava/util/concurrent/ExecutorService;

    move-result-object v0

    return-object v0
.end method

.method public getPeers(JJLjava/util/concurrent/TimeUnit;)[Ljava/net/InetSocketAddress;
    .registers 21

    .prologue
    .line 86
    invoke-virtual {p0}, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->createExecutor()Ljava/util/concurrent/ExecutorService;

    move-result-object v4

    iput-object v4, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->vThreadPool:Ljava/util/concurrent/ExecutorService;

    .line 2088
    :try_start_6
    new-instance v4, Ljava/util/ArrayList;

    invoke-direct {v4}, Ljava/util/ArrayList;-><init>()V

    .line 89
    iget-object v5, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->seeds:Ljava/util/List;

    invoke-interface {v5}, Ljava/util/List;->iterator()Ljava/util/Iterator;

    move-result-object v13

    :goto_11
    invoke-interface {v13}, Ljava/util/Iterator;->hasNext()Z

    move-result v5

    if-eqz v5, :cond_3b

    invoke-interface {v13}, Ljava/util/Iterator;->next()Ljava/lang/Object;

    move-result-object v7

    check-cast v7, Lorg/bitcoinj/net/discovery/PeerDiscovery;

    .line 90
    new-instance v5, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery$1;

    move-object v6, p0

    move-wide/from16 v8, p1

    move-wide/from16 v10, p3

    move-object/from16 v12, p5

    invoke-direct/range {v5 .. v12}, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery$1;-><init>(Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;Lorg/bitcoinj/net/discovery/PeerDiscovery;JJLjava/util/concurrent/TimeUnit;)V

    invoke-interface {v4, v5}, Ljava/util/List;->add(Ljava/lang/Object;)Z
    :try_end_2c
    .catch Ljava/lang/InterruptedException; {:try_start_6 .. :try_end_2c} :catch_2d
    .catchall {:try_start_6 .. :try_end_2c} :catchall_34

    goto :goto_11

    .line 120
    :catch_2d
    move-exception v4

    .line 121
    :try_start_2e
    new-instance v5, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    invoke-direct {v5, v4}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/Throwable;)V

    throw v5
    :try_end_34
    .catchall {:try_start_2e .. :try_end_34} :catchall_34

    .line 123
    :catchall_34
    move-exception v4

    iget-object v5, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->vThreadPool:Ljava/util/concurrent/ExecutorService;

    invoke-interface {v5}, Ljava/util/concurrent/ExecutorService;->shutdown()V

    throw v4

    .line 97
    :cond_3b
    :try_start_3b
    iget-object v5, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->vThreadPool:Ljava/util/concurrent/ExecutorService;

    move-wide/from16 v0, p3

    move-object/from16 v2, p5

    invoke-interface {v5, v4, v0, v1, v2}, Ljava/util/concurrent/ExecutorService;->invokeAll(Ljava/util/Collection;JLjava/util/concurrent/TimeUnit;)Ljava/util/List;

    move-result-object v6

    .line 3088
    new-instance v7, Ljava/util/ArrayList;

    invoke-direct {v7}, Ljava/util/ArrayList;-><init>()V

    .line 99
    const/4 v4, 0x0

    move v5, v4

    :goto_4c
    invoke-interface {v6}, Ljava/util/List;->size()I

    move-result v4

    if-ge v5, v4, :cond_8c

    .line 100
    invoke-interface {v6, v5}, Ljava/util/List;->get(I)Ljava/lang/Object;

    move-result-object v4

    check-cast v4, Ljava/util/concurrent/Future;

    .line 101
    invoke-interface {v4}, Ljava/util/concurrent/Future;->isCancelled()Z

    move-result v8

    if-eqz v8, :cond_6f

    .line 102
    sget-object v4, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->log:Lorg/slf4j/Logger;

    const-string v8, "Seed {}: timed out"

    iget-object v9, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->seeds:Ljava/util/List;

    invoke-interface {v9, v5}, Ljava/util/List;->get(I)Ljava/lang/Object;

    move-result-object v9

    invoke-interface {v4, v8, v9}, Lorg/slf4j/Logger;->warn(Ljava/lang/String;Ljava/lang/Object;)V
    :try_end_6b
    .catch Ljava/lang/InterruptedException; {:try_start_3b .. :try_end_6b} :catch_2d
    .catchall {:try_start_3b .. :try_end_6b} :catchall_34

    .line 99
    :goto_6b
    add-int/lit8 v4, v5, 0x1

    move v5, v4

    goto :goto_4c

    .line 107
    :cond_6f
    :try_start_6f
    invoke-interface {v4}, Ljava/util/concurrent/Future;->get()Ljava/lang/Object;

    move-result-object v4

    check-cast v4, [Ljava/net/InetSocketAddress;
    :try_end_75
    .catch Ljava/util/concurrent/ExecutionException; {:try_start_6f .. :try_end_75} :catch_79
    .catch Ljava/lang/InterruptedException; {:try_start_6f .. :try_end_75} :catch_2d
    .catchall {:try_start_6f .. :try_end_75} :catchall_34

    .line 112
    :try_start_75
    invoke-static {v7, v4}, Ljava/util/Collections;->addAll(Ljava/util/Collection;[Ljava/lang/Object;)Z

    goto :goto_6b

    .line 108
    :catch_79
    move-exception v4

    .line 109
    sget-object v8, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->log:Lorg/slf4j/Logger;

    const-string v9, "Seed {}: failed to look up: {}"

    iget-object v10, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->seeds:Ljava/util/List;

    invoke-interface {v10, v5}, Ljava/util/List;->get(I)Ljava/lang/Object;

    move-result-object v10

    invoke-virtual {v4}, Ljava/util/concurrent/ExecutionException;->getMessage()Ljava/lang/String;

    move-result-object v4

    invoke-interface {v8, v9, v10, v4}, Lorg/slf4j/Logger;->warn(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V

    goto :goto_6b

    .line 114
    :cond_8c
    invoke-virtual {v7}, Ljava/util/ArrayList;->size()I

    move-result v4

    if-nez v4, :cond_b5

    .line 115
    new-instance v4, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    new-instance v5, Ljava/lang/StringBuilder;

    const-string v6, "No peer discovery returned any results in "

    invoke-direct {v5, v6}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    .line 116
    move-object/from16 v0, p5

    move-wide/from16 v1, p3

    invoke-virtual {v0, v1, v2}, Ljava/util/concurrent/TimeUnit;->toMillis(J)J

    move-result-wide v6

    invoke-virtual {v5, v6, v7}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;

    move-result-object v5

    const-string v6, "ms. Check internet connection?"

    invoke-virtual {v5, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v5

    invoke-virtual {v5}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v5

    invoke-direct {v4, v5}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/String;)V

    throw v4

    .line 117
    :cond_b5
    invoke-static {v7}, Ljava/util/Collections;->shuffle(Ljava/util/List;)V

    .line 118
    iget-object v4, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->vThreadPool:Ljava/util/concurrent/ExecutorService;

    invoke-interface {v4}, Ljava/util/concurrent/ExecutorService;->shutdownNow()Ljava/util/List;

    .line 119
    invoke-virtual {v7}, Ljava/util/ArrayList;->size()I

    move-result v4

    new-array v4, v4, [Ljava/net/InetSocketAddress;

    invoke-virtual {v7, v4}, Ljava/util/ArrayList;->toArray([Ljava/lang/Object;)[Ljava/lang/Object;

    move-result-object v4

    check-cast v4, [Ljava/net/InetSocketAddress;
    :try_end_c9
    .catch Ljava/lang/InterruptedException; {:try_start_75 .. :try_end_c9} :catch_2d
    .catchall {:try_start_75 .. :try_end_c9} :catchall_34

    .line 123
    iget-object v5, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->vThreadPool:Ljava/util/concurrent/ExecutorService;

    invoke-interface {v5}, Ljava/util/concurrent/ExecutorService;->shutdown()V

    .line 119
    return-object v4
.end method

.method public shutdown()V
    .registers 2

    .prologue
    .line 133
    iget-object v0, p0, Lorg/bitcoinj/net/discovery/MultiplexingDiscovery;->vThreadPool:Ljava/util/concurrent/ExecutorService;

    .line 134
    if-eqz v0, :cond_7

    .line 135
    invoke-interface {v0}, Ljava/util/concurrent/ExecutorService;->shutdown()V

    .line 136
    :cond_7
    return-void
.end method