.class public final Landroidx/media3/exoplayer/util/SntpClient; .super Ljava/lang/Object; .source "SntpClient.java" # annotations .annotation system Ldalvik/annotation/MemberClasses; value = { Landroidx/media3/exoplayer/util/SntpClient$InitializationCallback;, Landroidx/media3/exoplayer/util/SntpClient$NtpTimeLoadable;, Landroidx/media3/exoplayer/util/SntpClient$NtpTimeCallback; } .end annotation # static fields .field public static final DEFAULT_NTP_HOST:Ljava/lang/String; = "time.android.com" .field private static final NTP_LEAP_NOSYNC:I = 0x3 .field private static final NTP_MODE_BROADCAST:I = 0x5 .field private static final NTP_MODE_CLIENT:I = 0x3 .field private static final NTP_MODE_SERVER:I = 0x4 .field private static final NTP_PACKET_SIZE:I = 0x30 .field private static final NTP_PORT:I = 0x7b .field private static final NTP_STRATUM_DEATH:I = 0x0 .field private static final NTP_STRATUM_MAX:I = 0xf .field private static final NTP_VERSION:I = 0x3 .field private static final OFFSET_1900_TO_1970:J = 0x83aa7e80L .field private static final ORIGINATE_TIME_OFFSET:I = 0x18 .field private static final RECEIVE_TIME_OFFSET:I = 0x20 .field private static final TIMEOUT_MS:I = 0x2710 .field private static final TRANSMIT_TIME_OFFSET:I = 0x28 .field private static elapsedRealtimeOffsetMs:J = 0x0L .field private static isInitialized:Z = false .field private static final loaderLock:Ljava/lang/Object; .field private static ntpHost:Ljava/lang/String; = "time.android.com" .field private static final valueLock:Ljava/lang/Object; # direct methods .method static constructor ()V .locals 1 .line 79 new-instance v0, Ljava/lang/Object; invoke-direct {v0}, Ljava/lang/Object;->()V sput-object v0, Landroidx/media3/exoplayer/util/SntpClient;->loaderLock:Ljava/lang/Object; .line 80 new-instance v0, Ljava/lang/Object; invoke-direct {v0}, Ljava/lang/Object;->()V sput-object v0, Landroidx/media3/exoplayer/util/SntpClient;->valueLock:Ljava/lang/Object; return-void .end method .method private constructor ()V .locals 0 .line 91 invoke-direct {p0}, Ljava/lang/Object;->()V return-void .end method .method static synthetic access$100()Ljava/lang/Object; .locals 1 sget-object v0, Landroidx/media3/exoplayer/util/SntpClient;->loaderLock:Ljava/lang/Object; return-object v0 .end method .method static synthetic access$200()Ljava/lang/Object; .locals 1 sget-object v0, Landroidx/media3/exoplayer/util/SntpClient;->valueLock:Ljava/lang/Object; return-object v0 .end method .method static synthetic access$300()Z .locals 1 sget-boolean v0, Landroidx/media3/exoplayer/util/SntpClient;->isInitialized:Z return v0 .end method .method static synthetic access$302(Z)Z .locals 0 sput-boolean p0, Landroidx/media3/exoplayer/util/SntpClient;->isInitialized:Z return p0 .end method .method static synthetic access$400()J .locals 2 .annotation system Ldalvik/annotation/Throws; value = { Ljava/io/IOException; } .end annotation .line 41 invoke-static {}, Landroidx/media3/exoplayer/util/SntpClient;->loadNtpTimeOffsetMs()J move-result-wide v0 return-wide v0 .end method .method static synthetic access$502(J)J .locals 0 sput-wide p0, Landroidx/media3/exoplayer/util/SntpClient;->elapsedRealtimeOffsetMs:J return-wide p0 .end method .method private static checkValidServerReply(BBIJ)V .locals 1 .annotation system Ldalvik/annotation/Throws; value = { Ljava/io/IOException; } .end annotation const/4 v0, 0x3 if-eq p0, v0, :cond_4 const/4 p0, 0x4 if-eq p1, p0, :cond_1 const/4 p0, 0x5 if-ne p1, p0, :cond_0 goto :goto_0 .line 276 :cond_0 new-instance p0, Ljava/io/IOException; new-instance p2, Ljava/lang/StringBuilder; const-string p3, "SNTP: Untrusted mode: " invoke-direct {p2, p3}, Ljava/lang/StringBuilder;->(Ljava/lang/String;)V invoke-virtual {p2, p1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder; move-result-object p1 invoke-virtual {p1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String; move-result-object p1 invoke-direct {p0, p1}, Ljava/io/IOException;->(Ljava/lang/String;)V throw p0 :cond_1 :goto_0 if-eqz p2, :cond_3 const/16 p0, 0xf if-gt p2, p0, :cond_3 const-wide/16 p0, 0x0 cmp-long p0, p3, p0 if-eqz p0, :cond_2 return-void .line 282 :cond_2 new-instance p0, Ljava/io/IOException; const-string p1, "SNTP: Zero transmitTime" invoke-direct {p0, p1}, Ljava/io/IOException;->(Ljava/lang/String;)V throw p0 .line 279 :cond_3 new-instance p0, Ljava/io/IOException; new-instance p1, Ljava/lang/StringBuilder; const-string p3, "SNTP: Untrusted stratum: " invoke-direct {p1, p3}, Ljava/lang/StringBuilder;->(Ljava/lang/String;)V invoke-virtual {p1, p2}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder; move-result-object p1 invoke-virtual {p1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String; move-result-object p1 invoke-direct {p0, p1}, Ljava/io/IOException;->(Ljava/lang/String;)V throw p0 .line 273 :cond_4 new-instance p0, Ljava/io/IOException; const-string p1, "SNTP: Unsynchronized server" invoke-direct {p0, p1}, Ljava/io/IOException;->(Ljava/lang/String;)V throw p0 .end method .method public static getElapsedRealtimeOffsetMs()J .locals 3 sget-object v0, Landroidx/media3/exoplayer/util/SntpClient;->valueLock:Ljava/lang/Object; .line 138 monitor-enter v0 :try_start_0 sget-boolean v1, Landroidx/media3/exoplayer/util/SntpClient;->isInitialized:Z if-eqz v1, :cond_0 sget-wide v1, Landroidx/media3/exoplayer/util/SntpClient;->elapsedRealtimeOffsetMs:J goto :goto_0 :cond_0 const-wide v1, -0x7fffffffffffffffL # -4.9E-324 .line 139 :goto_0 monitor-exit v0 return-wide v1 :catchall_0 move-exception v1 .line 140 monitor-exit v0 :try_end_0 .catchall {:try_start_0 .. :try_end_0} :catchall_0 throw v1 .end method .method public static getNtpHost()Ljava/lang/String; .locals 2 sget-object v0, Landroidx/media3/exoplayer/util/SntpClient;->valueLock:Ljava/lang/Object; .line 95 monitor-enter v0 :try_start_0 sget-object v1, Landroidx/media3/exoplayer/util/SntpClient;->ntpHost:Ljava/lang/String; .line 96 monitor-exit v0 return-object v1 :catchall_0 move-exception v1 .line 97 monitor-exit v0 :try_end_0 .catchall {:try_start_0 .. :try_end_0} :catchall_0 throw v1 .end method .method public static initialize(Landroidx/media3/exoplayer/upstream/Loader;Landroidx/media3/exoplayer/util/SntpClient$InitializationCallback;)V .locals 2 .line 152 invoke-static {}, Landroidx/media3/exoplayer/util/SntpClient;->isInitialized()Z move-result v0 if-eqz v0, :cond_1 if-eqz p1, :cond_0 .line 154 invoke-interface {p1}, Landroidx/media3/exoplayer/util/SntpClient$InitializationCallback;->onInitialized()V :cond_0 return-void :cond_1 if-nez p0, :cond_2 .line 159 new-instance p0, Landroidx/media3/exoplayer/upstream/Loader; const-string v0, "SntpClient" invoke-direct {p0, v0}, Landroidx/media3/exoplayer/upstream/Loader;->(Ljava/lang/String;)V .line 161 :cond_2 new-instance v0, Landroidx/media3/exoplayer/util/SntpClient$NtpTimeLoadable; const/4 v1, 0x0 invoke-direct {v0, v1}, Landroidx/media3/exoplayer/util/SntpClient$NtpTimeLoadable;->(Landroidx/media3/exoplayer/util/SntpClient$1;)V new-instance v1, Landroidx/media3/exoplayer/util/SntpClient$NtpTimeCallback; invoke-direct {v1, p1}, Landroidx/media3/exoplayer/util/SntpClient$NtpTimeCallback;->(Landroidx/media3/exoplayer/util/SntpClient$InitializationCallback;)V const/4 p1, 0x1 invoke-virtual {p0, v0, v1, p1}, Landroidx/media3/exoplayer/upstream/Loader;->startLoading(Landroidx/media3/exoplayer/upstream/Loader$Loadable;Landroidx/media3/exoplayer/upstream/Loader$Callback;I)J return-void .end method .method public static isInitialized()Z .locals 2 sget-object v0, Landroidx/media3/exoplayer/util/SntpClient;->valueLock:Ljava/lang/Object; .line 126 monitor-enter v0 :try_start_0 sget-boolean v1, Landroidx/media3/exoplayer/util/SntpClient;->isInitialized:Z .line 127 monitor-exit v0 return v1 :catchall_0 move-exception v1 .line 128 monitor-exit v0 :try_end_0 .catchall {:try_start_0 .. :try_end_0} :catchall_0 throw v1 .end method .method private static loadNtpTimeOffsetMs()J .locals 16 .annotation system Ldalvik/annotation/Throws; value = { Ljava/io/IOException; } .end annotation .line 166 invoke-static {}, Landroidx/media3/exoplayer/util/SntpClient;->getNtpHost()Ljava/lang/String; move-result-object v0 invoke-static {v0}, Ljava/net/InetAddress;->getByName(Ljava/lang/String;)Ljava/net/InetAddress; move-result-object v0 .line 167 new-instance v1, Ljava/net/DatagramSocket; invoke-direct {v1}, Ljava/net/DatagramSocket;->()V const/16 v2, 0x2710 .line 168 :try_start_0 invoke-virtual {v1, v2}, Ljava/net/DatagramSocket;->setSoTimeout(I)V const/16 v2, 0x30 new-array v3, v2, [B .line 170 new-instance v4, Ljava/net/DatagramPacket; const/16 v5, 0x7b invoke-direct {v4, v3, v2, v0, v5}, Ljava/net/DatagramPacket;->([BILjava/net/InetAddress;I)V const/16 v0, 0x1b const/4 v5, 0x0 aput-byte v0, v3, v5 .line 177 invoke-static {}, Ljava/lang/System;->currentTimeMillis()J move-result-wide v6 .line 178 invoke-static {}, Landroid/os/SystemClock;->elapsedRealtime()J move-result-wide v8 const/16 v0, 0x28 .line 179 invoke-static {v3, v0, v6, v7}, Landroidx/media3/exoplayer/util/SntpClient;->writeTimestamp([BIJ)V .line 181 invoke-virtual {v1, v4}, Ljava/net/DatagramSocket;->send(Ljava/net/DatagramPacket;)V .line 184 new-instance v4, Ljava/net/DatagramPacket; invoke-direct {v4, v3, v2}, Ljava/net/DatagramPacket;->([BI)V .line 185 invoke-virtual {v1, v4}, Ljava/net/DatagramSocket;->receive(Ljava/net/DatagramPacket;)V .line 186 invoke-static {}, Landroid/os/SystemClock;->elapsedRealtime()J move-result-wide v10 sub-long v8, v10, v8 add-long/2addr v6, v8 aget-byte v2, v3, v5 shr-int/lit8 v4, v2, 0x6 and-int/lit8 v4, v4, 0x3 int-to-byte v4, v4 and-int/lit8 v2, v2, 0x7 int-to-byte v2, v2 const/4 v5, 0x1 aget-byte v5, v3, v5 and-int/lit16 v5, v5, 0xff const/16 v8, 0x18 .line 193 invoke-static {v3, v8}, Landroidx/media3/exoplayer/util/SntpClient;->readTimestamp([BI)J move-result-wide v8 const/16 v12, 0x20 .line 194 invoke-static {v3, v12}, Landroidx/media3/exoplayer/util/SntpClient;->readTimestamp([BI)J move-result-wide v12 .line 195 invoke-static {v3, v0}, Landroidx/media3/exoplayer/util/SntpClient;->readTimestamp([BI)J move-result-wide v14 .line 198 invoke-static {v4, v2, v5, v14, v15}, Landroidx/media3/exoplayer/util/SntpClient;->checkValidServerReply(BBIJ)V sub-long/2addr v12, v8 sub-long/2addr v14, v6 add-long/2addr v12, v14 const-wide/16 v2, 0x2 .line 208 div-long/2addr v12, v2 :try_end_0 .catchall {:try_start_0 .. :try_end_0} :catchall_0 add-long/2addr v6, v12 sub-long/2addr v6, v10 .line 216 invoke-virtual {v1}, Ljava/net/DatagramSocket;->close()V return-wide v6 :catchall_0 move-exception v0 .line 167 :try_start_1 invoke-virtual {v1}, Ljava/net/DatagramSocket;->close()V :try_end_1 .catchall {:try_start_1 .. :try_end_1} :catchall_1 goto :goto_0 :catchall_1 move-exception v1 invoke-virtual {v0, v1}, Ljava/lang/Throwable;->addSuppressed(Ljava/lang/Throwable;)V :goto_0 throw v0 .end method .method private static read32([BI)J .locals 5 .line 256 aget-byte v0, p0, p1 add-int/lit8 v1, p1, 0x1 .line 257 aget-byte v1, p0, v1 add-int/lit8 v2, p1, 0x2 .line 258 aget-byte v2, p0, v2 add-int/lit8 p1, p1, 0x3 .line 259 aget-byte p0, p0, p1 and-int/lit16 p1, v0, 0x80 const/16 v3, 0x80 if-ne p1, v3, :cond_0 and-int/lit8 p1, v0, 0x7f add-int/lit16 v0, p1, 0x80 :cond_0 and-int/lit16 p1, v1, 0x80 if-ne p1, v3, :cond_1 and-int/lit8 p1, v1, 0x7f add-int/lit16 v1, p1, 0x80 :cond_1 and-int/lit16 p1, v2, 0x80 if-ne p1, v3, :cond_2 and-int/lit8 p1, v2, 0x7f add-int/lit16 v2, p1, 0x80 :cond_2 and-int/lit16 p1, p0, 0x80 if-ne p1, v3, :cond_3 and-int/lit8 p0, p0, 0x7f add-int/2addr p0, v3 :cond_3 int-to-long v3, v0 const/16 p1, 0x18 shl-long/2addr v3, p1 int-to-long v0, v1 const/16 p1, 0x10 shl-long/2addr v0, p1 add-long/2addr v3, v0 int-to-long v0, v2 const/16 p1, 0x8 shl-long/2addr v0, p1 add-long/2addr v3, v0 int-to-long p0, p0 add-long/2addr v3, p0 return-wide v3 .end method .method private static readTimestamp([BI)J .locals 5 .line 220 invoke-static {p0, p1}, Landroidx/media3/exoplayer/util/SntpClient;->read32([BI)J move-result-wide v0 add-int/lit8 p1, p1, 0x4 .line 221 invoke-static {p0, p1}, Landroidx/media3/exoplayer/util/SntpClient;->read32([BI)J move-result-wide p0 const-wide/16 v2, 0x0 cmp-long v4, v0, v2 if-nez v4, :cond_0 cmp-long v4, p0, v2 if-nez v4, :cond_0 return-wide v2 :cond_0 const-wide v2, 0x83aa7e80L sub-long/2addr v0, v2 const-wide/16 v2, 0x3e8 mul-long/2addr v0, v2 mul-long/2addr p0, v2 const-wide v2, 0x100000000L .line 226 div-long/2addr p0, v2 add-long/2addr v0, p0 return-wide v0 .end method .method public static setNtpHost(Ljava/lang/String;)V .locals 2 sget-object v0, Landroidx/media3/exoplayer/util/SntpClient;->valueLock:Ljava/lang/Object; .line 111 monitor-enter v0 :try_start_0 sget-object v1, Landroidx/media3/exoplayer/util/SntpClient;->ntpHost:Ljava/lang/String; .line 112 invoke-virtual {v1, p0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z move-result v1 if-nez v1, :cond_0 sput-object p0, Landroidx/media3/exoplayer/util/SntpClient;->ntpHost:Ljava/lang/String; const/4 p0, 0x0 sput-boolean p0, Landroidx/media3/exoplayer/util/SntpClient;->isInitialized:Z .line 116 :cond_0 monitor-exit v0 return-void :catchall_0 move-exception p0 monitor-exit v0 :try_end_0 .catchall {:try_start_0 .. :try_end_0} :catchall_0 throw p0 .end method .method private static writeTimestamp([BIJ)V .locals 11 const-wide/16 v0, 0x0 cmp-long v0, p2, v0 if-nez v0, :cond_0 add-int/lit8 p2, p1, 0x8 const/4 p3, 0x0 .line 232 invoke-static {p0, p1, p2, p3}, Ljava/util/Arrays;->fill([BIIB)V return-void :cond_0 const-wide/16 v0, 0x3e8 .line 236 div-long v2, p2, v0 mul-long v4, v2, v0 sub-long/2addr p2, v4 const-wide v4, 0x83aa7e80L add-long/2addr v2, v4 add-int/lit8 v4, p1, 0x1 const/16 v5, 0x18 shr-long v6, v2, v5 long-to-int v6, v6 int-to-byte v6, v6 .line 241 aput-byte v6, p0, p1 add-int/lit8 v6, p1, 0x2 const/16 v7, 0x10 shr-long v8, v2, v7 long-to-int v8, v8 int-to-byte v8, v8 .line 242 aput-byte v8, p0, v4 add-int/lit8 v4, p1, 0x3 const/16 v8, 0x8 shr-long v9, v2, v8 long-to-int v9, v9 int-to-byte v9, v9 .line 243 aput-byte v9, p0, v6 add-int/lit8 v6, p1, 0x4 long-to-int v2, v2 int-to-byte v2, v2 .line 244 aput-byte v2, p0, v4 const-wide v2, 0x100000000L mul-long/2addr p2, v2 .line 246 div-long/2addr p2, v0 add-int/lit8 v0, p1, 0x5 shr-long v1, p2, v5 long-to-int v1, v1 int-to-byte v1, v1 .line 248 aput-byte v1, p0, v6 add-int/lit8 v1, p1, 0x6 shr-long v2, p2, v7 long-to-int v2, v2 int-to-byte v2, v2 .line 249 aput-byte v2, p0, v0 add-int/lit8 p1, p1, 0x7 shr-long/2addr p2, v8 long-to-int p2, p2 int-to-byte p2, p2 .line 250 aput-byte p2, p0, v1 .line 252 invoke-static {}, Ljava/lang/Math;->random()D move-result-wide p2 const-wide v0, 0x406fe00000000000L # 255.0 mul-double/2addr p2, v0 double-to-int p2, p2 int-to-byte p2, p2 aput-byte p2, p0, p1 return-void .end method