96 lines
2.8 KiB
Java
96 lines
2.8 KiB
Java
package org.bouncycastle.crypto.tls;
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/* loaded from: classes6.dex */
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public class ByteQueue {
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private static final int DEFAULT_CAPACITY = 1024;
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private int available;
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private byte[] databuf;
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private int skipped;
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public static int nextTwoPow(int i) {
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int i2 = i | (i >> 1);
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int i3 = i2 | (i2 >> 2);
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int i4 = i3 | (i3 >> 4);
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int i5 = i4 | (i4 >> 8);
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return (i5 | (i5 >> 16)) + 1;
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}
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public int size() {
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return this.available;
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}
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public byte[] removeData(int i, int i2) {
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byte[] bArr = new byte[i];
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removeData(bArr, 0, i, i2);
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return bArr;
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}
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public void removeData(byte[] bArr, int i, int i2, int i3) {
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read(bArr, i, i2, i3);
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removeData(i3 + i2);
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}
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public void removeData(int i) {
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int i2 = this.available;
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if (i <= i2) {
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this.available = i2 - i;
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this.skipped += i;
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} else {
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StringBuilder sb = new StringBuilder("Cannot remove ");
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sb.append(i);
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sb.append(" bytes, only got ");
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sb.append(this.available);
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throw new IllegalStateException(sb.toString());
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}
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}
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public void read(byte[] bArr, int i, int i2, int i3) {
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if (bArr.length - i >= i2) {
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if (this.available - i3 < i2) {
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throw new IllegalStateException("Not enough data to read");
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}
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System.arraycopy(this.databuf, this.skipped + i3, bArr, i, i2);
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} else {
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StringBuilder sb = new StringBuilder("Buffer size of ");
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sb.append(bArr.length);
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sb.append(" is too small for a read of ");
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sb.append(i2);
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sb.append(" bytes");
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throw new IllegalArgumentException(sb.toString());
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}
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}
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public int available() {
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return this.available;
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}
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public void addData(byte[] bArr, int i, int i2) {
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int i3 = this.skipped;
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int i4 = this.available;
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if (i3 + i4 + i2 > this.databuf.length) {
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int nextTwoPow = nextTwoPow(i4 + i2);
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byte[] bArr2 = this.databuf;
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if (nextTwoPow > bArr2.length) {
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byte[] bArr3 = new byte[nextTwoPow];
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System.arraycopy(bArr2, this.skipped, bArr3, 0, this.available);
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this.databuf = bArr3;
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} else {
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System.arraycopy(bArr2, this.skipped, bArr2, 0, this.available);
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}
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this.skipped = 0;
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}
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System.arraycopy(bArr, i, this.databuf, this.skipped + this.available, i2);
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this.available += i2;
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}
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public ByteQueue(int i) {
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this.skipped = 0;
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this.available = 0;
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this.databuf = new byte[i];
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}
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public ByteQueue() {
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this(1024);
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}
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}
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