139 lines
4.3 KiB
Java
139 lines
4.3 KiB
Java
package c.m.a.g.d;
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import java.io.IOException;
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import java.net.DatagramPacket;
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import java.net.DatagramSocket;
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import java.net.InetAddress;
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import java.util.Arrays;
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/* compiled from: SntpClient */
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public class e {
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public final c.m.a.b a;
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public final c b;
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/* renamed from: c reason: collision with root package name */
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public final a f1465c;
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/* compiled from: SntpClient */
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public static class a extends IOException {
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public a(String str) {
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super(str);
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}
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}
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/* compiled from: SntpClient */
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public static final class b {
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public final long a;
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public final long b;
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/* renamed from: c reason: collision with root package name */
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public final long f1466c;
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public final c.m.a.b d;
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public b(long j, long j2, long j3, c.m.a.b bVar) {
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this.a = j;
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this.b = j2;
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this.f1466c = j3;
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this.d = bVar;
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}
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public long a() {
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return this.a + this.f1466c + (this.d.b() - this.b);
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}
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}
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public e(c.m.a.b bVar, c cVar, a aVar) {
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this.a = bVar;
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this.b = cVar;
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this.f1465c = aVar;
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}
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public static void a(byte b2, byte b3, int i, long j) throws a {
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if (b2 == 3) {
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throw new a("unsynchronized server");
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} else if (b3 != 4 && b3 != 5) {
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throw new a(c.d.b.a.a.k("untrusted mode: ", b3));
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} else if (i == 0 || i > 15) {
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throw new a(c.d.b.a.a.k("untrusted stratum: ", i));
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} else if (j == 0) {
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throw new a("zero transmitTime");
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}
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}
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public static long b(byte[] bArr, int i) {
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byte b2 = bArr[i];
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byte b3 = bArr[i + 1];
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byte b4 = bArr[i + 2];
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byte b5 = bArr[i + 3];
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int i2 = b2 & 128;
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byte b6 = b2;
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if (i2 == 128) {
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b6 = (b2 & Byte.MAX_VALUE) + 128;
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}
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int i3 = b3 & 128;
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byte b7 = b3;
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if (i3 == 128) {
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b7 = (b3 & Byte.MAX_VALUE) + 128;
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}
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int i4 = b4 & 128;
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byte b8 = b4;
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if (i4 == 128) {
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b8 = (b4 & Byte.MAX_VALUE) + 128;
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}
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int i5 = b5 & 128;
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byte b9 = b5;
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if (i5 == 128) {
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b9 = (b5 & Byte.MAX_VALUE) + 128;
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}
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return ((b6 == 1 ? 1 : 0) << 24) + ((b7 == 1 ? 1 : 0) << 16) + ((b8 == 1 ? 1 : 0) << 8) + (b9 == 1 ? 1 : 0);
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}
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public static long c(byte[] bArr, int i) {
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long b2 = b(bArr, i);
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return ((b(bArr, i + 4) * 1000) / 4294967296L) + ((b2 - 2208988800L) * 1000);
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}
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public b d(String str, Long l) throws IOException {
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DatagramSocket datagramSocket = null;
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try {
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InetAddress a2 = this.b.a(str);
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datagramSocket = this.f1465c.c();
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datagramSocket.setSoTimeout(l.intValue());
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byte[] bArr = new byte[48];
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DatagramPacket b2 = this.f1465c.b(bArr, a2, 123);
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bArr[0] = 27;
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long a3 = this.a.a();
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long b3 = this.a.b();
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long j = a3 / 1000;
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Long.signum(j);
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long j2 = a3 - (j * 1000);
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long j3 = j + 2208988800L;
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bArr[40] = (byte) ((int) (j3 >> 24));
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bArr[41] = (byte) ((int) (j3 >> 16));
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bArr[42] = (byte) ((int) (j3 >> 8));
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bArr[43] = (byte) ((int) (j3 >> 0));
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long j4 = (j2 * 4294967296L) / 1000;
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bArr[44] = (byte) ((int) (j4 >> 24));
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bArr[45] = (byte) ((int) (j4 >> 16));
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bArr[46] = (byte) ((int) (j4 >> 8));
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bArr[47] = (byte) ((int) (Math.random() * 255.0d));
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datagramSocket.send(b2);
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byte[] copyOf = Arrays.copyOf(bArr, 48);
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datagramSocket.receive(this.f1465c.a(copyOf));
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long b4 = this.a.b();
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long j5 = (b4 - b3) + a3;
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long c2 = c(copyOf, 24);
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long c3 = c(copyOf, 32);
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long c4 = c(copyOf, 40);
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a((byte) ((copyOf[0] >> 6) & 3), (byte) (copyOf[0] & 7), copyOf[1] & 255, c4);
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b bVar = new b(j5, b4, ((c4 - j5) + (c3 - c2)) / 2, this.a);
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datagramSocket.close();
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return bVar;
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} catch (Throwable th) {
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if (datagramSocket != null) {
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datagramSocket.close();
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}
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throw th;
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}
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}
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}
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