what-the-bank/sources/io/grpc/okhttp/internal/framed/Http2.java

786 lines
31 KiB
Java
Raw Permalink Normal View History

2024-07-27 18:17:47 +07:00
package io.grpc.okhttp.internal.framed;
import com.airbnb.deeplinkdispatch.base.MatchIndex;
import com.google.common.primitives.UnsignedBytes;
import io.grpc.okhttp.internal.Protocol;
import io.grpc.okhttp.internal.framed.FrameReader;
import io.grpc.okhttp.internal.framed.Hpack;
import java.io.IOException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import o.C14957gcv;
import o.C15111ghZ;
import o.C15139giB;
import o.C15155gij;
import o.InterfaceC15148gic;
import o.InterfaceC15149gid;
import o.gdP;
import o.giD;
/* loaded from: classes6.dex */
public final class Http2 implements Variant {
static final byte FLAG_ACK = 1;
static final byte FLAG_COMPRESSED = 32;
static final byte FLAG_END_HEADERS = 4;
static final byte FLAG_END_PUSH_PROMISE = 4;
static final byte FLAG_END_STREAM = 1;
static final byte FLAG_NONE = 0;
static final byte FLAG_PADDED = 8;
static final byte FLAG_PRIORITY = 32;
static final int INITIAL_MAX_FRAME_SIZE = 16384;
static final byte TYPE_CONTINUATION = 9;
static final byte TYPE_DATA = 0;
static final byte TYPE_GOAWAY = 7;
static final byte TYPE_HEADERS = 1;
static final byte TYPE_PING = 6;
static final byte TYPE_PRIORITY = 2;
static final byte TYPE_PUSH_PROMISE = 5;
static final byte TYPE_RST_STREAM = 3;
static final byte TYPE_SETTINGS = 4;
static final byte TYPE_WINDOW_UPDATE = 8;
private static final Logger logger = Logger.getLogger(FrameLogger.class.getName());
private static final C15155gij CONNECTION_PREFACE = C15155gij.a("PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n");
@Override // io.grpc.okhttp.internal.framed.Variant
public final Protocol getProtocol() {
return Protocol.HTTP_2;
}
@Override // io.grpc.okhttp.internal.framed.Variant
public final FrameReader newReader(InterfaceC15149gid interfaceC15149gid, boolean z) {
return new Reader(interfaceC15149gid, 4096, z);
}
@Override // io.grpc.okhttp.internal.framed.Variant
public final FrameWriter newWriter(InterfaceC15148gic interfaceC15148gic, boolean z) {
return new Writer(interfaceC15148gic, z);
}
/* loaded from: classes6.dex */
static final class Reader implements FrameReader {
private final boolean client;
private final ContinuationSource continuation;
final Hpack.Reader hpackReader;
private final InterfaceC15149gid source;
Reader(InterfaceC15149gid interfaceC15149gid, int i, boolean z) {
this.source = interfaceC15149gid;
this.client = z;
ContinuationSource continuationSource = new ContinuationSource(interfaceC15149gid);
this.continuation = continuationSource;
this.hpackReader = new Hpack.Reader(i, continuationSource);
}
@Override // io.grpc.okhttp.internal.framed.FrameReader
public final void readConnectionPreface() throws IOException {
if (this.client) {
return;
}
C15155gij c = this.source.c(Http2.CONNECTION_PREFACE.a());
if (Http2.logger.isLoggable(Level.FINE)) {
Http2.logger.fine(String.format("<< CONNECTION %s", c.c()));
}
if (Http2.CONNECTION_PREFACE.equals(c)) {
return;
}
String str = c.d;
if (str == null) {
byte[] b = c.b();
C14957gcv.e(b, "");
String str2 = new String(b, gdP.a);
c.d = str2;
str = str2;
}
throw Http2.ioException("Expected a connection header but was %s", str);
}
@Override // io.grpc.okhttp.internal.framed.FrameReader
public final boolean nextFrame(FrameReader.Handler handler) throws IOException {
try {
this.source.g(9L);
int readMedium = Http2.readMedium(this.source);
if (readMedium < 0 || readMedium > 16384) {
throw Http2.ioException("FRAME_SIZE_ERROR: %s", Integer.valueOf(readMedium));
}
byte f = this.source.f();
byte f2 = this.source.f();
int n = this.source.n() & Integer.MAX_VALUE;
if (Http2.logger.isLoggable(Level.FINE)) {
Http2.logger.fine(FrameLogger.formatHeader(true, n, readMedium, f, f2));
}
switch (f) {
case 0:
readData(handler, readMedium, f2, n);
return true;
case 1:
readHeaders(handler, readMedium, f2, n);
return true;
case 2:
readPriority(handler, readMedium, f2, n);
return true;
case 3:
readRstStream(handler, readMedium, f2, n);
return true;
case 4:
readSettings(handler, readMedium, f2, n);
return true;
case 5:
readPushPromise(handler, readMedium, f2, n);
return true;
case 6:
readPing(handler, readMedium, f2, n);
return true;
case 7:
readGoAway(handler, readMedium, f2, n);
return true;
case 8:
readWindowUpdate(handler, readMedium, f2, n);
return true;
default:
this.source.j(readMedium);
return true;
}
} catch (IOException unused) {
return false;
}
}
private void readHeaders(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
if (i2 == 0) {
throw Http2.ioException("PROTOCOL_ERROR: TYPE_HEADERS streamId == 0", new Object[0]);
}
boolean z = (b & 1) != 0;
short f = (b & 8) != 0 ? (short) (this.source.f() & UnsignedBytes.MAX_VALUE) : (short) 0;
if ((b & 32) != 0) {
readPriority(handler, i2);
i -= 5;
}
handler.headers(false, z, i2, -1, readHeaderBlock(Http2.lengthWithoutPadding(i, b, f), f, b, i2), HeadersMode.HTTP_20_HEADERS);
}
private List<Header> readHeaderBlock(int i, short s, byte b, int i2) throws IOException {
ContinuationSource continuationSource = this.continuation;
continuationSource.left = i;
continuationSource.length = i;
this.continuation.padding = s;
this.continuation.flags = b;
this.continuation.streamId = i2;
this.hpackReader.readHeaders();
return this.hpackReader.getAndResetHeaderList();
}
private void readData(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
boolean z = (b & 1) != 0;
if ((b & 32) != 0) {
throw Http2.ioException("PROTOCOL_ERROR: FLAG_COMPRESSED without SETTINGS_COMPRESS_DATA", new Object[0]);
}
short f = (b & 8) != 0 ? (short) (this.source.f() & UnsignedBytes.MAX_VALUE) : (short) 0;
handler.data(z, i2, this.source, Http2.lengthWithoutPadding(i, b, f));
this.source.j(f);
}
private void readPriority(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
if (i != 5) {
throw Http2.ioException("TYPE_PRIORITY length: %d != 5", Integer.valueOf(i));
}
if (i2 == 0) {
throw Http2.ioException("TYPE_PRIORITY streamId == 0", new Object[0]);
}
readPriority(handler, i2);
}
private void readPriority(FrameReader.Handler handler, int i) throws IOException {
int n = this.source.n();
handler.priority(i, n & Integer.MAX_VALUE, (this.source.f() & UnsignedBytes.MAX_VALUE) + 1, (Integer.MIN_VALUE & n) != 0);
}
private void readRstStream(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
if (i != 4) {
throw Http2.ioException("TYPE_RST_STREAM length: %d != 4", Integer.valueOf(i));
}
if (i2 == 0) {
throw Http2.ioException("TYPE_RST_STREAM streamId == 0", new Object[0]);
}
int n = this.source.n();
ErrorCode fromHttp2 = ErrorCode.fromHttp2(n);
if (fromHttp2 == null) {
throw Http2.ioException("TYPE_RST_STREAM unexpected error code: %d", Integer.valueOf(n));
}
handler.rstStream(i2, fromHttp2);
}
/* JADX WARN: Can't fix incorrect switch cases order, some code will duplicate */
/* JADX WARN: Failed to find 'out' block for switch in B:16:0x002e. Please report as an issue. */
private void readSettings(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
if (i2 != 0) {
throw Http2.ioException("TYPE_SETTINGS streamId != 0", new Object[0]);
}
if ((b & 1) != 0) {
if (i != 0) {
throw Http2.ioException("FRAME_SIZE_ERROR ack frame should be empty!", new Object[0]);
}
handler.ackSettings();
return;
}
if (i % 6 != 0) {
throw Http2.ioException("TYPE_SETTINGS length %% 6 != 0: %s", Integer.valueOf(i));
}
Settings settings = new Settings();
for (int i3 = 0; i3 < i; i3 += 6) {
short s = this.source.s();
int n = this.source.n();
switch (s) {
case 1:
case 6:
settings.set(s, 0, n);
case 2:
if (n != 0 && n != 1) {
throw Http2.ioException("PROTOCOL_ERROR SETTINGS_ENABLE_PUSH != 0 or 1", new Object[0]);
}
settings.set(s, 0, n);
case 3:
s = 4;
settings.set(s, 0, n);
case 4:
if (n < 0) {
throw Http2.ioException("PROTOCOL_ERROR SETTINGS_INITIAL_WINDOW_SIZE > 2^31 - 1", new Object[0]);
}
s = 7;
settings.set(s, 0, n);
case 5:
if (n < 16384 || n > 16777215) {
throw Http2.ioException("PROTOCOL_ERROR SETTINGS_MAX_FRAME_SIZE: %s", Integer.valueOf(n));
}
settings.set(s, 0, n);
break;
default:
}
}
handler.settings(false, settings);
if (settings.getHeaderTableSize() >= 0) {
this.hpackReader.headerTableSizeSetting(settings.getHeaderTableSize());
}
}
private void readPushPromise(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
if (i2 == 0) {
throw Http2.ioException("PROTOCOL_ERROR: TYPE_PUSH_PROMISE streamId == 0", new Object[0]);
}
short f = (b & 8) != 0 ? (short) (this.source.f() & UnsignedBytes.MAX_VALUE) : (short) 0;
handler.pushPromise(i2, Integer.MAX_VALUE & this.source.n(), readHeaderBlock(Http2.lengthWithoutPadding(i - 4, b, f), f, b, i2));
}
private void readPing(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
if (i != 8) {
throw Http2.ioException("TYPE_PING length != 8: %s", Integer.valueOf(i));
}
if (i2 != 0) {
throw Http2.ioException("TYPE_PING streamId != 0", new Object[0]);
}
handler.ping((b & 1) != 0, this.source.n(), this.source.n());
}
private void readGoAway(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
if (i < 8) {
throw Http2.ioException("TYPE_GOAWAY length < 8: %s", Integer.valueOf(i));
}
if (i2 != 0) {
throw Http2.ioException("TYPE_GOAWAY streamId != 0", new Object[0]);
}
int n = this.source.n();
int n2 = this.source.n();
int i3 = i - 8;
ErrorCode fromHttp2 = ErrorCode.fromHttp2(n2);
if (fromHttp2 == null) {
throw Http2.ioException("TYPE_GOAWAY unexpected error code: %d", Integer.valueOf(n2));
}
C15155gij c15155gij = C15155gij.e;
if (i3 > 0) {
c15155gij = this.source.c(i3);
}
handler.goAway(n, fromHttp2, c15155gij);
}
private void readWindowUpdate(FrameReader.Handler handler, int i, byte b, int i2) throws IOException {
if (i != 4) {
throw Http2.ioException("TYPE_WINDOW_UPDATE length !=4: %s", Integer.valueOf(i));
}
long n = this.source.n() & 2147483647L;
if (n == 0) {
throw Http2.ioException("windowSizeIncrement was 0", new Object[0]);
}
handler.windowUpdate(i2, n);
}
@Override // java.io.Closeable, java.lang.AutoCloseable
public final void close() throws IOException {
this.source.close();
}
}
/* loaded from: classes6.dex */
static final class Writer implements FrameWriter {
private final boolean client;
private boolean closed;
private final C15111ghZ hpackBuffer;
private final Hpack.Writer hpackWriter;
private int maxFrameSize;
private final InterfaceC15148gic sink;
Writer(InterfaceC15148gic interfaceC15148gic, boolean z) {
this.sink = interfaceC15148gic;
this.client = z;
C15111ghZ c15111ghZ = new C15111ghZ();
this.hpackBuffer = c15111ghZ;
this.hpackWriter = new Hpack.Writer(c15111ghZ);
this.maxFrameSize = 16384;
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void flush() throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
this.sink.flush();
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void ackSettings(Settings settings) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
this.maxFrameSize = settings.getMaxFrameSize(this.maxFrameSize);
frameHeader(0, 0, (byte) 4, (byte) 1);
this.sink.flush();
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void connectionPreface() throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
if (this.client) {
if (Http2.logger.isLoggable(Level.FINE)) {
Http2.logger.fine(String.format(">> CONNECTION %s", Http2.CONNECTION_PREFACE.c()));
}
this.sink.a(Http2.CONNECTION_PREFACE.j());
this.sink.flush();
}
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void synStream(boolean z, boolean z2, int i, int i2, List<Header> list) throws IOException {
synchronized (this) {
if (z2) {
throw new UnsupportedOperationException();
}
if (this.closed) {
throw new IOException("closed");
}
headers(z, i, list);
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void synReply(boolean z, int i, List<Header> list) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
headers(z, i, list);
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void headers(int i, List<Header> list) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
headers(false, i, list);
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void pushPromise(int i, int i2, List<Header> list) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
this.hpackWriter.writeHeaders(list);
long j = this.hpackBuffer.c;
int min = (int) Math.min(this.maxFrameSize - 4, j);
long j2 = min;
frameHeader(i, min + 4, (byte) 5, j == j2 ? (byte) 4 : (byte) 0);
this.sink.j(i2 & Integer.MAX_VALUE);
this.sink.write(this.hpackBuffer, j2);
if (j > j2) {
writeContinuationFrames(i, j - j2);
}
}
}
final void headers(boolean z, int i, List<Header> list) throws IOException {
if (this.closed) {
throw new IOException("closed");
}
this.hpackWriter.writeHeaders(list);
long j = this.hpackBuffer.c;
int min = (int) Math.min(this.maxFrameSize, j);
long j2 = min;
byte b = j == j2 ? (byte) 4 : (byte) 0;
if (z) {
b = (byte) (b | 1);
}
frameHeader(i, min, (byte) 1, b);
this.sink.write(this.hpackBuffer, j2);
if (j > j2) {
writeContinuationFrames(i, j - j2);
}
}
private void writeContinuationFrames(int i, long j) throws IOException {
while (j > 0) {
int min = (int) Math.min(this.maxFrameSize, j);
long j2 = min;
j -= j2;
frameHeader(i, min, (byte) 9, j == 0 ? (byte) 4 : (byte) 0);
this.sink.write(this.hpackBuffer, j2);
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void rstStream(int i, ErrorCode errorCode) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
if (errorCode.httpCode == -1) {
throw new IllegalArgumentException();
}
frameHeader(i, 4, (byte) 3, (byte) 0);
this.sink.j(errorCode.httpCode);
this.sink.flush();
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void data(boolean z, int i, C15111ghZ c15111ghZ, int i2) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
dataFrame(i, z ? (byte) 1 : (byte) 0, c15111ghZ, i2);
}
}
final void dataFrame(int i, byte b, C15111ghZ c15111ghZ, int i2) throws IOException {
frameHeader(i, i2, (byte) 0, b);
if (i2 > 0) {
this.sink.write(c15111ghZ, i2);
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void settings(Settings settings) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
int i = 0;
frameHeader(0, settings.size() * 6, (byte) 4, (byte) 0);
while (i < 10) {
if (settings.isSet(i)) {
this.sink.g(i == 4 ? 3 : i == 7 ? 4 : i);
this.sink.j(settings.get(i));
}
i++;
}
this.sink.flush();
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void ping(boolean z, int i, int i2) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
frameHeader(0, 8, (byte) 6, z ? (byte) 1 : (byte) 0);
this.sink.j(i);
this.sink.j(i2);
this.sink.flush();
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void goAway(int i, ErrorCode errorCode, byte[] bArr) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
if (errorCode.httpCode == -1) {
throw Http2.illegalArgument("errorCode.httpCode == -1", new Object[0]);
}
frameHeader(0, bArr.length + 8, (byte) 7, (byte) 0);
this.sink.j(i);
this.sink.j(errorCode.httpCode);
if (bArr.length > 0) {
this.sink.a(bArr);
}
this.sink.flush();
}
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final void windowUpdate(int i, long j) throws IOException {
synchronized (this) {
if (this.closed) {
throw new IOException("closed");
}
if (j == 0 || j > 2147483647L) {
throw Http2.illegalArgument("windowSizeIncrement == 0 || windowSizeIncrement > 0x7fffffffL: %s", Long.valueOf(j));
}
frameHeader(i, 4, (byte) 8, (byte) 0);
this.sink.j((int) j);
this.sink.flush();
}
}
@Override // java.io.Closeable, java.lang.AutoCloseable
public final void close() throws IOException {
synchronized (this) {
this.closed = true;
this.sink.close();
}
}
final void frameHeader(int i, int i2, byte b, byte b2) throws IOException {
if (Http2.logger.isLoggable(Level.FINE)) {
Http2.logger.fine(FrameLogger.formatHeader(false, i, i2, b, b2));
}
int i3 = this.maxFrameSize;
if (i2 > i3) {
throw Http2.illegalArgument("FRAME_SIZE_ERROR length > %d: %d", Integer.valueOf(i3), Integer.valueOf(i2));
}
if ((Integer.MIN_VALUE & i) == 0) {
Http2.writeMedium(this.sink, i2);
this.sink.b(b & UnsignedBytes.MAX_VALUE);
this.sink.b(b2 & UnsignedBytes.MAX_VALUE);
this.sink.j(i & Integer.MAX_VALUE);
return;
}
throw Http2.illegalArgument("reserved bit set: %s", Integer.valueOf(i));
}
@Override // io.grpc.okhttp.internal.framed.FrameWriter
public final int maxDataLength() {
return this.maxFrameSize;
}
}
/* JADX INFO: Access modifiers changed from: private */
public static IllegalArgumentException illegalArgument(String str, Object... objArr) {
throw new IllegalArgumentException(String.format(str, objArr));
}
/* JADX INFO: Access modifiers changed from: private */
public static IOException ioException(String str, Object... objArr) throws IOException {
throw new IOException(String.format(str, objArr));
}
/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes6.dex */
public static final class ContinuationSource implements giD {
byte flags;
int left;
int length;
short padding;
private final InterfaceC15149gid source;
int streamId;
@Override // o.giD, java.io.Closeable, java.lang.AutoCloseable
public final void close() throws IOException {
}
public ContinuationSource(InterfaceC15149gid interfaceC15149gid) {
this.source = interfaceC15149gid;
}
@Override // o.giD
public final long read(C15111ghZ c15111ghZ, long j) throws IOException {
while (true) {
int i = this.left;
if (i == 0) {
this.source.j(this.padding);
this.padding = (short) 0;
if ((this.flags & 4) != 0) {
return -1L;
}
readContinuationHeader();
} else {
long read = this.source.read(c15111ghZ, Math.min(j, i));
if (read == -1) {
return -1L;
}
this.left -= (int) read;
return read;
}
}
}
@Override // o.giD
public final C15139giB timeout() {
return this.source.timeout();
}
private void readContinuationHeader() throws IOException {
int i = this.streamId;
int readMedium = Http2.readMedium(this.source);
this.left = readMedium;
this.length = readMedium;
byte f = this.source.f();
this.flags = this.source.f();
if (Http2.logger.isLoggable(Level.FINE)) {
Http2.logger.fine(FrameLogger.formatHeader(true, this.streamId, this.length, f, this.flags));
}
int n = this.source.n() & Integer.MAX_VALUE;
this.streamId = n;
if (f != 9) {
throw Http2.ioException("%s != TYPE_CONTINUATION", Byte.valueOf(f));
}
if (n != i) {
throw Http2.ioException("TYPE_CONTINUATION streamId changed", new Object[0]);
}
}
}
/* JADX INFO: Access modifiers changed from: private */
public static int lengthWithoutPadding(int i, byte b, short s) throws IOException {
if ((b & 8) != 0) {
i--;
}
if (s <= i) {
return (short) (i - s);
}
throw ioException("PROTOCOL_ERROR padding %s > remaining length %s", Short.valueOf(s), Integer.valueOf(i));
}
/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes6.dex */
public static final class FrameLogger {
private static final String[] TYPES = {"DATA", "HEADERS", "PRIORITY", "RST_STREAM", "SETTINGS", "PUSH_PROMISE", "PING", "GOAWAY", "WINDOW_UPDATE", "CONTINUATION"};
private static final String[] FLAGS = new String[64];
private static final String[] BINARY = new String[256];
FrameLogger() {
}
static String formatHeader(boolean z, int i, int i2, byte b, byte b2) {
String[] strArr = TYPES;
String format = b < strArr.length ? strArr[b] : String.format("0x%02x", Byte.valueOf(b));
String formatFlags = formatFlags(b, b2);
Object[] objArr = new Object[5];
objArr[0] = z ? "<<" : ">>";
objArr[1] = Integer.valueOf(i);
objArr[2] = Integer.valueOf(i2);
objArr[3] = format;
objArr[4] = formatFlags;
return String.format("%s 0x%08x %5d %-13s %s", objArr);
}
static String formatFlags(byte b, byte b2) {
if (b2 == 0) {
return "";
}
if (b != 2 && b != 3) {
if (b == 4 || b == 6) {
return b2 == 1 ? "ACK" : BINARY[b2];
}
if (b != 7 && b != 8) {
String[] strArr = FLAGS;
String str = b2 < strArr.length ? strArr[b2] : BINARY[b2];
if (b != 5 || (b2 & 4) == 0) {
return (b != 0 || (b2 & 32) == 0) ? str : str.replace("PRIORITY", "COMPRESSED");
}
return str.replace("HEADERS", "PUSH_PROMISE");
}
}
return BINARY[b2];
}
static {
int i = 0;
int i2 = 0;
while (true) {
String[] strArr = BINARY;
if (i2 >= strArr.length) {
break;
}
strArr[i2] = String.format("%8s", Integer.toBinaryString(i2)).replace(' ', '0');
i2++;
}
String[] strArr2 = FLAGS;
strArr2[0] = "";
strArr2[1] = "END_STREAM";
int[] iArr = {1};
strArr2[8] = "PADDED";
int i3 = iArr[0];
StringBuilder sb = new StringBuilder();
sb.append(strArr2[i3]);
sb.append("|PADDED");
strArr2[i3 | 8] = sb.toString();
strArr2[4] = "END_HEADERS";
strArr2[32] = "PRIORITY";
strArr2[36] = "END_HEADERS|PRIORITY";
int[] iArr2 = {4, 32, 36};
for (int i4 = 0; i4 < 3; i4++) {
int i5 = iArr2[i4];
int i6 = iArr[0];
String[] strArr3 = FLAGS;
int i7 = i6 | i5;
StringBuilder sb2 = new StringBuilder();
sb2.append(strArr3[i6]);
sb2.append(MatchIndex.ALLOWED_VALUES_SEPARATOR);
sb2.append(strArr3[i5]);
strArr3[i7] = sb2.toString();
StringBuilder sb3 = new StringBuilder();
sb3.append(strArr3[i6]);
sb3.append(MatchIndex.ALLOWED_VALUES_SEPARATOR);
sb3.append(strArr3[i5]);
sb3.append("|PADDED");
strArr3[i7 | 8] = sb3.toString();
}
while (true) {
String[] strArr4 = FLAGS;
if (i >= strArr4.length) {
return;
}
if (strArr4[i] == null) {
strArr4[i] = BINARY[i];
}
i++;
}
}
}
/* JADX INFO: Access modifiers changed from: private */
public static int readMedium(InterfaceC15149gid interfaceC15149gid) throws IOException {
return (interfaceC15149gid.f() & UnsignedBytes.MAX_VALUE) | ((interfaceC15149gid.f() & UnsignedBytes.MAX_VALUE) << 16) | ((interfaceC15149gid.f() & UnsignedBytes.MAX_VALUE) << 8);
}
/* JADX INFO: Access modifiers changed from: private */
public static void writeMedium(InterfaceC15148gic interfaceC15148gic, int i) throws IOException {
interfaceC15148gic.b((i >>> 16) & 255);
interfaceC15148gic.b((i >>> 8) & 255);
interfaceC15148gic.b(i & 255);
}
}