514 lines
20 KiB
Java
514 lines
20 KiB
Java
package io.grpc.internal;
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import com.google.common.base.Preconditions;
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import io.grpc.Codec;
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import io.grpc.Decompressor;
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import io.grpc.Status;
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import io.grpc.internal.StreamListener;
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import java.io.Closeable;
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import java.io.FilterInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.zip.DataFormatException;
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/* loaded from: classes6.dex */
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public class MessageDeframer implements Closeable, Deframer {
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private static final int COMPRESSED_FLAG_MASK = 1;
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private static final int HEADER_LENGTH = 5;
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private static final int MAX_BUFFER_SIZE = 2097152;
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private static final int RESERVED_MASK = 254;
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private boolean compressedFlag;
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private Decompressor decompressor;
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private GzipInflatingBuffer fullStreamDecompressor;
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private int inboundBodyWireSize;
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private byte[] inflatedBuffer;
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private int inflatedIndex;
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private Listener listener;
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private int maxInboundMessageSize;
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private CompositeReadableBuffer nextFrame;
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private long pendingDeliveries;
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private final StatsTraceContext statsTraceCtx;
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private final TransportTracer transportTracer;
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private State state = State.HEADER;
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private int requiredLength = 5;
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private CompositeReadableBuffer unprocessed = new CompositeReadableBuffer();
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private boolean inDelivery = false;
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private int currentMessageSeqNo = -1;
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private boolean closeWhenComplete = false;
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private volatile boolean stopDelivery = false;
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/* loaded from: classes6.dex */
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public interface Listener {
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void bytesRead(int i);
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void deframeFailed(Throwable th);
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void deframerClosed(boolean z);
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void messagesAvailable(StreamListener.MessageProducer messageProducer);
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes6.dex */
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public enum State {
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HEADER,
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BODY
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}
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public MessageDeframer(Listener listener, Decompressor decompressor, int i, StatsTraceContext statsTraceContext, TransportTracer transportTracer) {
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this.listener = (Listener) Preconditions.checkNotNull(listener, "sink");
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this.decompressor = (Decompressor) Preconditions.checkNotNull(decompressor, "decompressor");
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this.maxInboundMessageSize = i;
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this.statsTraceCtx = (StatsTraceContext) Preconditions.checkNotNull(statsTraceContext, "statsTraceCtx");
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this.transportTracer = (TransportTracer) Preconditions.checkNotNull(transportTracer, "transportTracer");
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}
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@Override // io.grpc.internal.Deframer
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public void setDecompressor(Decompressor decompressor) {
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Preconditions.checkState(this.fullStreamDecompressor == null, "Already set full stream decompressor");
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this.decompressor = (Decompressor) Preconditions.checkNotNull(decompressor, "Can't pass an empty decompressor");
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}
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@Override // io.grpc.internal.Deframer
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public void setFullStreamDecompressor(GzipInflatingBuffer gzipInflatingBuffer) {
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Preconditions.checkState(this.decompressor == Codec.Identity.NONE, "per-message decompressor already set");
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Preconditions.checkState(this.fullStreamDecompressor == null, "full stream decompressor already set");
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this.fullStreamDecompressor = (GzipInflatingBuffer) Preconditions.checkNotNull(gzipInflatingBuffer, "Can't pass a null full stream decompressor");
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this.unprocessed = null;
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}
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@Override // io.grpc.internal.Deframer
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public void request(int i) {
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Preconditions.checkArgument(i > 0, "numMessages must be > 0");
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if (isClosed()) {
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return;
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}
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this.pendingDeliveries += i;
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deliver();
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}
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@Override // io.grpc.internal.Deframer
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public void deframe(ReadableBuffer readableBuffer) {
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boolean z;
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Preconditions.checkNotNull(readableBuffer, "data");
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try {
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if (!isClosedOrScheduledToClose()) {
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GzipInflatingBuffer gzipInflatingBuffer = this.fullStreamDecompressor;
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if (gzipInflatingBuffer != null) {
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gzipInflatingBuffer.addGzippedBytes(readableBuffer);
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} else {
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this.unprocessed.addBuffer(readableBuffer);
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}
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try {
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deliver();
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return;
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} catch (Throwable th) {
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th = th;
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z = false;
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if (z) {
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readableBuffer.close();
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}
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throw th;
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}
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}
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readableBuffer.close();
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} catch (Throwable th2) {
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th = th2;
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z = true;
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}
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}
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@Override // io.grpc.internal.Deframer
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public void closeWhenComplete() {
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if (isClosed()) {
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return;
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}
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if (isStalled()) {
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close();
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} else {
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this.closeWhenComplete = true;
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}
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}
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@Override // java.io.Closeable, java.lang.AutoCloseable, io.grpc.internal.Deframer
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public void close() {
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if (isClosed()) {
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return;
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}
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CompositeReadableBuffer compositeReadableBuffer = this.nextFrame;
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boolean z = compositeReadableBuffer != null && compositeReadableBuffer.readableBytes() > 0;
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try {
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GzipInflatingBuffer gzipInflatingBuffer = this.fullStreamDecompressor;
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if (gzipInflatingBuffer != null) {
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boolean z2 = z || gzipInflatingBuffer.hasPartialData();
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this.fullStreamDecompressor.close();
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z = z2;
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}
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CompositeReadableBuffer compositeReadableBuffer2 = this.unprocessed;
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if (compositeReadableBuffer2 != null) {
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compositeReadableBuffer2.close();
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}
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CompositeReadableBuffer compositeReadableBuffer3 = this.nextFrame;
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if (compositeReadableBuffer3 != null) {
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compositeReadableBuffer3.close();
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}
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this.fullStreamDecompressor = null;
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this.unprocessed = null;
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this.nextFrame = null;
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this.listener.deframerClosed(z);
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} catch (Throwable th) {
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this.fullStreamDecompressor = null;
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this.unprocessed = null;
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this.nextFrame = null;
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throw th;
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}
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}
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private boolean isClosedOrScheduledToClose() {
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return isClosed() || this.closeWhenComplete;
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}
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private boolean isStalled() {
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GzipInflatingBuffer gzipInflatingBuffer = this.fullStreamDecompressor;
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if (gzipInflatingBuffer != null) {
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return gzipInflatingBuffer.isStalled();
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}
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return this.unprocessed.readableBytes() == 0;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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/* renamed from: io.grpc.internal.MessageDeframer$1, reason: invalid class name */
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/* loaded from: classes6.dex */
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public static /* synthetic */ class AnonymousClass1 {
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static final int[] $SwitchMap$io$grpc$internal$MessageDeframer$State;
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static {
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int[] iArr = new int[State.values().length];
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$SwitchMap$io$grpc$internal$MessageDeframer$State = iArr;
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try {
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iArr[State.HEADER.ordinal()] = 1;
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} catch (NoSuchFieldError unused) {
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}
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try {
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$SwitchMap$io$grpc$internal$MessageDeframer$State[State.BODY.ordinal()] = 2;
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} catch (NoSuchFieldError unused2) {
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}
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}
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}
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private void deliver() {
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if (this.inDelivery) {
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return;
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}
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this.inDelivery = true;
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while (true) {
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try {
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if (this.stopDelivery || this.pendingDeliveries <= 0 || !readRequiredBytes()) {
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break;
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}
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int i = AnonymousClass1.$SwitchMap$io$grpc$internal$MessageDeframer$State[this.state.ordinal()];
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if (i == 1) {
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processHeader();
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} else if (i == 2) {
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processBody();
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this.pendingDeliveries--;
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} else {
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StringBuilder sb = new StringBuilder();
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sb.append("Invalid state: ");
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sb.append(this.state);
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throw new AssertionError(sb.toString());
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}
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} finally {
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this.inDelivery = false;
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}
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}
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if (this.stopDelivery) {
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close();
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return;
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}
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if (this.closeWhenComplete && isStalled()) {
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close();
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}
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}
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private boolean readRequiredBytes() {
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int i;
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int i2 = 0;
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try {
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if (this.nextFrame == null) {
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this.nextFrame = new CompositeReadableBuffer();
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}
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int i3 = 0;
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i = 0;
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while (true) {
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try {
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int readableBytes = this.requiredLength - this.nextFrame.readableBytes();
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if (readableBytes <= 0) {
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if (i3 <= 0) {
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return true;
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}
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this.listener.bytesRead(i3);
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if (this.state != State.BODY) {
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return true;
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}
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if (this.fullStreamDecompressor != null) {
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this.statsTraceCtx.inboundWireSize(i);
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this.inboundBodyWireSize += i;
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return true;
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}
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this.statsTraceCtx.inboundWireSize(i3);
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this.inboundBodyWireSize += i3;
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return true;
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}
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if (this.fullStreamDecompressor != null) {
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try {
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byte[] bArr = this.inflatedBuffer;
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if (bArr == null || this.inflatedIndex == bArr.length) {
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this.inflatedBuffer = new byte[Math.min(readableBytes, 2097152)];
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this.inflatedIndex = 0;
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}
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int inflateBytes = this.fullStreamDecompressor.inflateBytes(this.inflatedBuffer, this.inflatedIndex, Math.min(readableBytes, this.inflatedBuffer.length - this.inflatedIndex));
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i3 += this.fullStreamDecompressor.getAndResetBytesConsumed();
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i += this.fullStreamDecompressor.getAndResetDeflatedBytesConsumed();
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if (inflateBytes == 0) {
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if (i3 > 0) {
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this.listener.bytesRead(i3);
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if (this.state == State.BODY) {
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if (this.fullStreamDecompressor != null) {
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this.statsTraceCtx.inboundWireSize(i);
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this.inboundBodyWireSize += i;
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} else {
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this.statsTraceCtx.inboundWireSize(i3);
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this.inboundBodyWireSize += i3;
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}
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}
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}
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return false;
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}
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this.nextFrame.addBuffer(ReadableBuffers.wrap(this.inflatedBuffer, this.inflatedIndex, inflateBytes));
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this.inflatedIndex += inflateBytes;
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} catch (IOException e) {
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throw new RuntimeException(e);
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} catch (DataFormatException e2) {
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throw new RuntimeException(e2);
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}
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} else {
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if (this.unprocessed.readableBytes() == 0) {
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if (i3 > 0) {
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this.listener.bytesRead(i3);
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if (this.state == State.BODY) {
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if (this.fullStreamDecompressor != null) {
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this.statsTraceCtx.inboundWireSize(i);
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this.inboundBodyWireSize += i;
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} else {
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this.statsTraceCtx.inboundWireSize(i3);
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this.inboundBodyWireSize += i3;
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}
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}
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}
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return false;
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}
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int min = Math.min(readableBytes, this.unprocessed.readableBytes());
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i3 += min;
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this.nextFrame.addBuffer(this.unprocessed.readBytes(min));
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}
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} catch (Throwable th) {
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int i4 = i3;
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th = th;
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i2 = i4;
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if (i2 > 0) {
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this.listener.bytesRead(i2);
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if (this.state == State.BODY) {
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if (this.fullStreamDecompressor != null) {
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this.statsTraceCtx.inboundWireSize(i);
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this.inboundBodyWireSize += i;
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} else {
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this.statsTraceCtx.inboundWireSize(i2);
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this.inboundBodyWireSize += i2;
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}
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}
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}
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throw th;
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}
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}
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} catch (Throwable th2) {
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th = th2;
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i = 0;
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}
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}
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private void processHeader() {
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int readUnsignedByte = this.nextFrame.readUnsignedByte();
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if ((readUnsignedByte & RESERVED_MASK) != 0) {
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throw Status.INTERNAL.withDescription("gRPC frame header malformed: reserved bits not zero").asRuntimeException();
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}
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this.compressedFlag = (readUnsignedByte & 1) != 0;
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int readInt = this.nextFrame.readInt();
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this.requiredLength = readInt;
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if (readInt < 0 || readInt > this.maxInboundMessageSize) {
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throw Status.RESOURCE_EXHAUSTED.withDescription(String.format("gRPC message exceeds maximum size %d: %d", Integer.valueOf(this.maxInboundMessageSize), Integer.valueOf(this.requiredLength))).asRuntimeException();
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}
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int i = this.currentMessageSeqNo + 1;
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this.currentMessageSeqNo = i;
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this.statsTraceCtx.inboundMessage(i);
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this.transportTracer.reportMessageReceived();
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this.state = State.BODY;
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}
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private void processBody() {
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this.statsTraceCtx.inboundMessageRead(this.currentMessageSeqNo, this.inboundBodyWireSize, -1L);
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this.inboundBodyWireSize = 0;
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InputStream compressedBody = this.compressedFlag ? getCompressedBody() : getUncompressedBody();
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this.nextFrame = null;
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this.listener.messagesAvailable(new SingleMessageProducer(compressedBody, null));
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this.state = State.HEADER;
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this.requiredLength = 5;
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}
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private InputStream getUncompressedBody() {
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this.statsTraceCtx.inboundUncompressedSize(this.nextFrame.readableBytes());
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return ReadableBuffers.openStream(this.nextFrame, true);
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}
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private InputStream getCompressedBody() {
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if (this.decompressor == Codec.Identity.NONE) {
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throw Status.INTERNAL.withDescription("Can't decode compressed gRPC message as compression not configured").asRuntimeException();
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}
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try {
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return new SizeEnforcingInputStream(this.decompressor.decompress(ReadableBuffers.openStream(this.nextFrame, true)), this.maxInboundMessageSize, this.statsTraceCtx);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes6.dex */
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public static final class SizeEnforcingInputStream extends FilterInputStream {
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private long count;
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private long mark;
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private long maxCount;
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private final int maxMessageSize;
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private final StatsTraceContext statsTraceCtx;
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SizeEnforcingInputStream(InputStream inputStream, int i, StatsTraceContext statsTraceContext) {
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super(inputStream);
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this.mark = -1L;
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this.maxMessageSize = i;
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this.statsTraceCtx = statsTraceContext;
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final int read() throws IOException {
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int read = ((FilterInputStream) this).in.read();
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if (read != -1) {
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this.count++;
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}
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verifySize();
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reportCount();
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return read;
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final int read(byte[] bArr, int i, int i2) throws IOException {
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int read = ((FilterInputStream) this).in.read(bArr, i, i2);
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if (read != -1) {
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this.count += read;
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}
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verifySize();
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reportCount();
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return read;
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final long skip(long j) throws IOException {
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long skip = ((FilterInputStream) this).in.skip(j);
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this.count += skip;
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verifySize();
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reportCount();
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return skip;
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final void mark(int i) {
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synchronized (this) {
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((FilterInputStream) this).in.mark(i);
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this.mark = this.count;
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}
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}
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@Override // java.io.FilterInputStream, java.io.InputStream
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public final void reset() throws IOException {
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synchronized (this) {
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if (!((FilterInputStream) this).in.markSupported()) {
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throw new IOException("Mark not supported");
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}
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if (this.mark == -1) {
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throw new IOException("Mark not set");
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}
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((FilterInputStream) this).in.reset();
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this.count = this.mark;
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}
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}
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private void reportCount() {
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long j = this.count;
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long j2 = this.maxCount;
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if (j > j2) {
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this.statsTraceCtx.inboundUncompressedSize(j - j2);
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this.maxCount = this.count;
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}
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}
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private void verifySize() {
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if (this.count > this.maxMessageSize) {
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throw Status.RESOURCE_EXHAUSTED.withDescription(String.format("Decompressed gRPC message exceeds maximum size %d", Integer.valueOf(this.maxMessageSize))).asRuntimeException();
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}
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}
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes6.dex */
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public static class SingleMessageProducer implements StreamListener.MessageProducer {
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private InputStream message;
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/* synthetic */ SingleMessageProducer(InputStream inputStream, AnonymousClass1 anonymousClass1) {
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this(inputStream);
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}
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private SingleMessageProducer(InputStream inputStream) {
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this.message = inputStream;
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}
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@Override // io.grpc.internal.StreamListener.MessageProducer
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public InputStream next() {
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InputStream inputStream = this.message;
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this.message = null;
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return inputStream;
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}
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public void stopDelivery() {
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this.stopDelivery = true;
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}
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@Override // io.grpc.internal.Deframer
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public void setMaxInboundMessageSize(int i) {
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this.maxInboundMessageSize = i;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public void setListener(Listener listener) {
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this.listener = listener;
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}
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public boolean isClosed() {
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return this.unprocessed == null && this.fullStreamDecompressor == null;
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}
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/* JADX INFO: Access modifiers changed from: package-private */
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public boolean hasPendingDeliveries() {
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return this.pendingDeliveries != 0;
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}
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}
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