SeedPeers.smali

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

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


# instance fields
.field private params:Lorg/bitcoinj/core/NetworkParameters;

.field private pnseedIndex:I

.field private seedAddrs:[I


# direct methods
.method public constructor <init>(Lorg/bitcoinj/core/NetworkParameters;)V
    .registers 3

    .prologue
    .line 43
    invoke-virtual {p1}, Lorg/bitcoinj/core/NetworkParameters;->getAddrSeeds()[I

    move-result-object v0

    invoke-direct {p0, v0, p1}, Lorg/bitcoinj/net/discovery/SeedPeers;-><init>([ILorg/bitcoinj/core/NetworkParameters;)V

    .line 44
    return-void
.end method

.method public constructor <init>([ILorg/bitcoinj/core/NetworkParameters;)V
    .registers 3

    .prologue
    .line 52
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 53
    iput-object p1, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->seedAddrs:[I

    .line 54
    iput-object p2, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->params:Lorg/bitcoinj/core/NetworkParameters;

    .line 55
    return-void
.end method

.method private allPeers()[Ljava/net/InetSocketAddress;
    .registers 6

    .prologue
    .line 98
    iget-object v0, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->seedAddrs:[I

    array-length v0, v0

    new-array v1, v0, [Ljava/net/InetSocketAddress;

    .line 99
    const/4 v0, 0x0

    :goto_6
    iget-object v2, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->seedAddrs:[I

    array-length v2, v2

    if-ge v0, v2, :cond_23

    .line 100
    new-instance v2, Ljava/net/InetSocketAddress;

    iget-object v3, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->seedAddrs:[I

    aget v3, v3, v0

    invoke-direct {p0, v3}, Lorg/bitcoinj/net/discovery/SeedPeers;->convertAddress(I)Ljava/net/InetAddress;

    move-result-object v3

    iget-object v4, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->params:Lorg/bitcoinj/core/NetworkParameters;

    invoke-virtual {v4}, Lorg/bitcoinj/core/NetworkParameters;->getPort()I

    move-result v4

    invoke-direct {v2, v3, v4}, Ljava/net/InetSocketAddress;-><init>(Ljava/net/InetAddress;I)V

    aput-object v2, v1, v0

    .line 99
    add-int/lit8 v0, v0, 0x1

    goto :goto_6

    .line 102
    :cond_23
    return-object v1
.end method

.method private convertAddress(I)Ljava/net/InetAddress;
    .registers 5

    .prologue
    .line 106
    const/4 v0, 0x4

    new-array v0, v0, [B

    .line 107
    const/4 v1, 0x0

    and-int/lit16 v2, p1, 0xff

    int-to-byte v2, v2

    aput-byte v2, v0, v1

    .line 108
    const/4 v1, 0x1

    shr-int/lit8 v2, p1, 0x8

    and-int/lit16 v2, v2, 0xff

    int-to-byte v2, v2

    aput-byte v2, v0, v1

    .line 109
    const/4 v1, 0x2

    shr-int/lit8 v2, p1, 0x10

    and-int/lit16 v2, v2, 0xff

    int-to-byte v2, v2

    aput-byte v2, v0, v1

    .line 110
    const/4 v1, 0x3

    shr-int/lit8 v2, p1, 0x18

    and-int/lit16 v2, v2, 0xff

    int-to-byte v2, v2

    aput-byte v2, v0, v1

    .line 111
    invoke-static {v0}, Ljava/net/InetAddress;->getByAddress([B)Ljava/net/InetAddress;

    move-result-object v0

    return-object v0
.end method

.method private nextPeer()Ljava/net/InetSocketAddress;
    .registers 5

    .prologue
    .line 75
    iget-object v0, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->seedAddrs:[I

    if-eqz v0, :cond_9

    iget-object v0, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->seedAddrs:[I

    array-length v0, v0

    if-nez v0, :cond_11

    .line 76
    :cond_9
    new-instance v0, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    const-string v1, "No IP address seeds configured; unable to find any peers"

    invoke-direct {v0, v1}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 78
    :cond_11
    iget v0, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->pnseedIndex:I

    iget-object v1, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->seedAddrs:[I

    array-length v1, v1

    if-lt v0, v1, :cond_1a

    const/4 v0, 0x0

    .line 79
    :goto_19
    return-object v0

    :cond_1a
    new-instance v0, Ljava/net/InetSocketAddress;

    iget-object v1, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->seedAddrs:[I

    iget v2, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->pnseedIndex:I

    add-int/lit8 v3, v2, 0x1

    iput v3, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->pnseedIndex:I

    aget v1, v1, v2

    invoke-direct {p0, v1}, Lorg/bitcoinj/net/discovery/SeedPeers;->convertAddress(I)Ljava/net/InetAddress;

    move-result-object v1

    iget-object v2, p0, Lorg/bitcoinj/net/discovery/SeedPeers;->params:Lorg/bitcoinj/core/NetworkParameters;

    .line 80
    invoke-virtual {v2}, Lorg/bitcoinj/core/NetworkParameters;->getPort()I

    move-result v2

    invoke-direct {v0, v1, v2}, Ljava/net/InetSocketAddress;-><init>(Ljava/net/InetAddress;I)V

    goto :goto_19
.end method


# virtual methods
.method public getPeer()Ljava/net/InetSocketAddress;
    .registers 3

    .prologue
    .line 67
    :try_start_0
    invoke-direct {p0}, Lorg/bitcoinj/net/discovery/SeedPeers;->nextPeer()Ljava/net/InetSocketAddress;
    :try_end_3
    .catch Ljava/net/UnknownHostException; {:try_start_0 .. :try_end_3} :catch_5

    move-result-object v0

    return-object v0

    .line 68
    :catch_5
    move-exception v0

    .line 69
    new-instance v1, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    invoke-direct {v1, v0}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/Throwable;)V

    throw v1
.end method

.method public getPeers(JJLjava/util/concurrent/TimeUnit;)[Ljava/net/InetSocketAddress;
    .registers 9

    .prologue
    .line 88
    const-wide/16 v0, 0x0

    cmp-long v0, p1, v0

    if-eqz v0, :cond_1b

    .line 89
    new-instance v0, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Pre-determined peers cannot be filtered by services: "

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

    invoke-virtual {v1, p1, p2}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 91
    :cond_1b
    :try_start_1b
    invoke-direct {p0}, Lorg/bitcoinj/net/discovery/SeedPeers;->allPeers()[Ljava/net/InetSocketAddress;
    :try_end_1e
    .catch Ljava/net/UnknownHostException; {:try_start_1b .. :try_end_1e} :catch_20

    move-result-object v0

    return-object v0

    .line 92
    :catch_20
    move-exception v0

    .line 93
    new-instance v1, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;

    invoke-direct {v1, v0}, Lorg/bitcoinj/net/discovery/PeerDiscoveryException;-><init>(Ljava/lang/Throwable;)V

    throw v1
.end method

.method public shutdown()V
    .registers 1

    .prologue
    .line 116
    return-void
.end method