what-the-bank/sources/io/grpc/internal/OobChannel.java

330 lines
14 KiB
Java
Raw Permalink Normal View History

2024-07-27 18:17:47 +07:00
package io.grpc.internal;
import com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import io.grpc.Attributes;
import io.grpc.CallOptions;
import io.grpc.ClientCall;
import io.grpc.ClientStreamTracer;
import io.grpc.ConnectivityState;
import io.grpc.ConnectivityStateInfo;
import io.grpc.Context;
import io.grpc.EquivalentAddressGroup;
import io.grpc.InternalChannelz;
import io.grpc.InternalInstrumented;
import io.grpc.InternalLogId;
import io.grpc.LoadBalancer;
import io.grpc.ManagedChannel;
import io.grpc.Metadata;
import io.grpc.MethodDescriptor;
import io.grpc.Status;
import io.grpc.SynchronizationContext;
import io.grpc.internal.ClientCallImpl;
import io.grpc.internal.ManagedClientTransport;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes6.dex */
public final class OobChannel extends ManagedChannel implements InternalInstrumented<InternalChannelz.ChannelStats> {
private static final Logger log = Logger.getLogger(OobChannel.class.getName());
private final String authority;
private final CallTracer channelCallsTracer;
private final ChannelTracer channelTracer;
private final InternalChannelz channelz;
private final ScheduledExecutorService deadlineCancellationExecutor;
private final DelayedClientTransport delayedTransport;
private final Executor executor;
private final ObjectPool<? extends Executor> executorPool;
private final InternalLogId logId;
private volatile boolean shutdown;
private InternalSubchannel subchannel;
private AbstractSubchannel subchannelImpl;
private LoadBalancer.SubchannelPicker subchannelPicker;
private final TimeProvider timeProvider;
private final CountDownLatch terminatedLatch = new CountDownLatch(1);
private final ClientCallImpl.ClientStreamProvider transportProvider = new ClientCallImpl.ClientStreamProvider(this) { // from class: io.grpc.internal.OobChannel.1
final OobChannel this$0;
{
this.this$0 = this;
}
@Override // io.grpc.internal.ClientCallImpl.ClientStreamProvider
public ClientStream newStream(MethodDescriptor<?, ?> methodDescriptor, CallOptions callOptions, Metadata metadata, Context context) {
ClientStreamTracer[] clientStreamTracers = GrpcUtil.getClientStreamTracers(callOptions, metadata, 0, false);
Context attach = context.attach();
try {
return this.this$0.delayedTransport.newStream(methodDescriptor, metadata, callOptions, clientStreamTracers);
} finally {
context.detach(attach);
}
}
};
/* JADX INFO: Access modifiers changed from: package-private */
public OobChannel(String str, ObjectPool<? extends Executor> objectPool, ScheduledExecutorService scheduledExecutorService, SynchronizationContext synchronizationContext, CallTracer callTracer, ChannelTracer channelTracer, InternalChannelz internalChannelz, TimeProvider timeProvider) {
this.authority = (String) Preconditions.checkNotNull(str, "authority");
this.logId = InternalLogId.allocate(getClass(), str);
this.executorPool = (ObjectPool) Preconditions.checkNotNull(objectPool, "executorPool");
Executor executor = (Executor) Preconditions.checkNotNull(objectPool.getObject(), "executor");
this.executor = executor;
this.deadlineCancellationExecutor = (ScheduledExecutorService) Preconditions.checkNotNull(scheduledExecutorService, "deadlineCancellationExecutor");
DelayedClientTransport delayedClientTransport = new DelayedClientTransport(executor, synchronizationContext);
this.delayedTransport = delayedClientTransport;
this.channelz = (InternalChannelz) Preconditions.checkNotNull(internalChannelz);
delayedClientTransport.start(new ManagedClientTransport.Listener(this) { // from class: io.grpc.internal.OobChannel.2
final OobChannel this$0;
@Override // io.grpc.internal.ManagedClientTransport.Listener
public void transportInUse(boolean z) {
}
@Override // io.grpc.internal.ManagedClientTransport.Listener
public void transportReady() {
}
@Override // io.grpc.internal.ManagedClientTransport.Listener
public void transportShutdown(Status status) {
}
{
this.this$0 = this;
}
@Override // io.grpc.internal.ManagedClientTransport.Listener
public void transportTerminated() {
this.this$0.subchannelImpl.shutdown();
}
});
this.channelCallsTracer = callTracer;
this.channelTracer = (ChannelTracer) Preconditions.checkNotNull(channelTracer, "channelTracer");
this.timeProvider = (TimeProvider) Preconditions.checkNotNull(timeProvider, "timeProvider");
}
/* JADX INFO: Access modifiers changed from: package-private */
public final void setSubchannel(InternalSubchannel internalSubchannel) {
log.log(Level.FINE, "[{0}] Created with [{1}]", new Object[]{this, internalSubchannel});
this.subchannel = internalSubchannel;
this.subchannelImpl = new AbstractSubchannel(this, internalSubchannel) { // from class: io.grpc.internal.OobChannel.3
final OobChannel this$0;
final InternalSubchannel val$subchannel;
{
this.this$0 = this;
this.val$subchannel = internalSubchannel;
}
@Override // io.grpc.LoadBalancer.Subchannel
public void shutdown() {
this.val$subchannel.shutdown(Status.UNAVAILABLE.withDescription("OobChannel is shutdown"));
}
@Override // io.grpc.LoadBalancer.Subchannel
public void requestConnection() {
this.val$subchannel.obtainActiveTransport();
}
@Override // io.grpc.LoadBalancer.Subchannel
public List<EquivalentAddressGroup> getAllAddresses() {
return this.val$subchannel.getAddressGroups();
}
@Override // io.grpc.LoadBalancer.Subchannel
public Attributes getAttributes() {
return Attributes.EMPTY;
}
@Override // io.grpc.LoadBalancer.Subchannel
public Object getInternalSubchannel() {
return this.val$subchannel;
}
@Override // io.grpc.internal.AbstractSubchannel
InternalInstrumented<InternalChannelz.ChannelStats> getInstrumentedInternalSubchannel() {
return this.val$subchannel;
}
};
LoadBalancer.SubchannelPicker subchannelPicker = new LoadBalancer.SubchannelPicker(this) { // from class: io.grpc.internal.OobChannel.1OobSubchannelPicker
final LoadBalancer.PickResult result;
final OobChannel this$0;
{
this.this$0 = this;
this.result = LoadBalancer.PickResult.withSubchannel(this.subchannelImpl);
}
public final String toString() {
return MoreObjects.toStringHelper((Class<?>) C1OobSubchannelPicker.class).add("result", this.result).toString();
}
@Override // io.grpc.LoadBalancer.SubchannelPicker
public final LoadBalancer.PickResult pickSubchannel(LoadBalancer.PickSubchannelArgs pickSubchannelArgs) {
return this.result;
}
};
this.subchannelPicker = subchannelPicker;
this.delayedTransport.reprocess(subchannelPicker);
}
/* JADX INFO: Access modifiers changed from: package-private */
public final void updateAddresses(List<EquivalentAddressGroup> list) {
this.subchannel.updateAddresses(list);
}
@Override // io.grpc.Channel
public final <RequestT, ResponseT> ClientCall<RequestT, ResponseT> newCall(MethodDescriptor<RequestT, ResponseT> methodDescriptor, CallOptions callOptions) {
return new ClientCallImpl(methodDescriptor, callOptions.getExecutor() == null ? this.executor : callOptions.getExecutor(), callOptions, this.transportProvider, this.deadlineCancellationExecutor, this.channelCallsTracer, null);
}
@Override // io.grpc.ManagedChannel
public final boolean isTerminated() {
return this.terminatedLatch.getCount() == 0;
}
@Override // io.grpc.ManagedChannel
public final boolean awaitTermination(long j, TimeUnit timeUnit) throws InterruptedException {
return this.terminatedLatch.await(j, timeUnit);
}
@Override // io.grpc.ManagedChannel
public final ConnectivityState getState(boolean z) {
InternalSubchannel internalSubchannel = this.subchannel;
if (internalSubchannel == null) {
return ConnectivityState.IDLE;
}
return internalSubchannel.getState();
}
@Override // io.grpc.ManagedChannel
public final ManagedChannel shutdown() {
this.shutdown = true;
this.delayedTransport.shutdown(Status.UNAVAILABLE.withDescription("OobChannel.shutdown() called"));
return this;
}
@Override // io.grpc.ManagedChannel
public final ManagedChannel shutdownNow() {
this.shutdown = true;
this.delayedTransport.shutdownNow(Status.UNAVAILABLE.withDescription("OobChannel.shutdownNow() called"));
return this;
}
/* JADX INFO: Access modifiers changed from: package-private */
public final void handleSubchannelStateChange(ConnectivityStateInfo connectivityStateInfo) {
ChannelTracer channelTracer = this.channelTracer;
InternalChannelz.ChannelTrace.Event.Builder builder = new InternalChannelz.ChannelTrace.Event.Builder();
StringBuilder sb = new StringBuilder("Entering ");
sb.append(connectivityStateInfo.getState());
sb.append(" state");
channelTracer.reportEvent(builder.setDescription(sb.toString()).setSeverity(InternalChannelz.ChannelTrace.Event.Severity.CT_INFO).setTimestampNanos(this.timeProvider.currentTimeNanos()).build());
int i = AnonymousClass4.$SwitchMap$io$grpc$ConnectivityState[connectivityStateInfo.getState().ordinal()];
if (i == 1 || i == 2) {
this.delayedTransport.reprocess(this.subchannelPicker);
} else if (i == 3) {
this.delayedTransport.reprocess(new LoadBalancer.SubchannelPicker(this, connectivityStateInfo) { // from class: io.grpc.internal.OobChannel.1OobErrorPicker
final LoadBalancer.PickResult errorResult;
final OobChannel this$0;
final ConnectivityStateInfo val$newState;
{
this.this$0 = this;
this.val$newState = connectivityStateInfo;
this.errorResult = LoadBalancer.PickResult.withError(connectivityStateInfo.getStatus());
}
public final String toString() {
return MoreObjects.toStringHelper((Class<?>) C1OobErrorPicker.class).add("errorResult", this.errorResult).toString();
}
@Override // io.grpc.LoadBalancer.SubchannelPicker
public final LoadBalancer.PickResult pickSubchannel(LoadBalancer.PickSubchannelArgs pickSubchannelArgs) {
return this.errorResult;
}
});
}
}
/* renamed from: io.grpc.internal.OobChannel$4, reason: invalid class name */
/* loaded from: classes6.dex */
static /* synthetic */ class AnonymousClass4 {
static final int[] $SwitchMap$io$grpc$ConnectivityState;
static {
int[] iArr = new int[ConnectivityState.values().length];
$SwitchMap$io$grpc$ConnectivityState = iArr;
try {
iArr[ConnectivityState.READY.ordinal()] = 1;
} catch (NoSuchFieldError unused) {
}
try {
$SwitchMap$io$grpc$ConnectivityState[ConnectivityState.IDLE.ordinal()] = 2;
} catch (NoSuchFieldError unused2) {
}
try {
$SwitchMap$io$grpc$ConnectivityState[ConnectivityState.TRANSIENT_FAILURE.ordinal()] = 3;
} catch (NoSuchFieldError unused3) {
}
}
}
/* JADX INFO: Access modifiers changed from: package-private */
public final void handleSubchannelTerminated() {
this.channelz.removeSubchannel(this);
this.executorPool.returnObject(this.executor);
this.terminatedLatch.countDown();
}
@Override // io.grpc.InternalInstrumented
public final ListenableFuture<InternalChannelz.ChannelStats> getStats() {
SettableFuture create = SettableFuture.create();
InternalChannelz.ChannelStats.Builder builder = new InternalChannelz.ChannelStats.Builder();
this.channelCallsTracer.updateBuilder(builder);
this.channelTracer.updateBuilder(builder);
builder.setTarget(this.authority).setState(this.subchannel.getState()).setSubchannels(Collections.singletonList(this.subchannel));
create.set(builder.build());
return create;
}
public final String toString() {
return MoreObjects.toStringHelper(this).add("logId", this.logId.getId()).add("authority", this.authority).toString();
}
@Override // io.grpc.ManagedChannel
public final void resetConnectBackoff() {
this.subchannel.resetConnectBackoff();
}
@Override // io.grpc.ManagedChannel
public final boolean isShutdown() {
return this.shutdown;
}
final LoadBalancer.Subchannel getSubchannel() {
return this.subchannelImpl;
}
@Override // io.grpc.InternalWithLogId
public final InternalLogId getLogId() {
return this.logId;
}
/* JADX INFO: Access modifiers changed from: package-private */
public final InternalSubchannel getInternalSubchannel() {
return this.subchannel;
}
@Override // io.grpc.Channel
public final String authority() {
return this.authority;
}
}