io.grpc.netty.InternalProtocolNegotiators Maven / Gradle / Ivy
/*
* Copyright 2019 The gRPC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.grpc.netty;
import io.grpc.ChannelLogger;
import io.grpc.netty.ProtocolNegotiators.ClientTlsHandler;
import io.grpc.netty.ProtocolNegotiators.GrpcNegotiationHandler;
import io.grpc.netty.ProtocolNegotiators.WaitUntilActiveHandler;
import io.netty.channel.ChannelHandler;
import io.netty.handler.ssl.SslContext;
import io.netty.util.AsciiString;
/**
* Internal accessor for {@link ProtocolNegotiators}.
*/
public final class InternalProtocolNegotiators {
private InternalProtocolNegotiators() {}
/**
* Returns a {@link ProtocolNegotiator} that ensures the pipeline is set up so that TLS will
* be negotiated, the {@code handler} is added and writes to the {@link io.netty.channel.Channel}
* may happen immediately, even before the TLS Handshake is complete.
*/
public static InternalProtocolNegotiator.ProtocolNegotiator tls(SslContext sslContext) {
final io.grpc.netty.ProtocolNegotiator negotiator = ProtocolNegotiators.tls(sslContext);
final class TlsNegotiator implements InternalProtocolNegotiator.ProtocolNegotiator {
@Override
public AsciiString scheme() {
return negotiator.scheme();
}
@Override
public ChannelHandler newHandler(GrpcHttp2ConnectionHandler grpcHandler) {
return negotiator.newHandler(grpcHandler);
}
@Override
public void close() {
negotiator.close();
}
}
return new TlsNegotiator();
}
/**
* Returns a {@link ProtocolNegotiator} that ensures the pipeline is set up so that TLS will be
* negotiated, the server TLS {@code handler} is added and writes to the {@link
* io.netty.channel.Channel} may happen immediately, even before the TLS Handshake is complete.
*/
public static InternalProtocolNegotiator.ProtocolNegotiator serverTls(SslContext sslContext) {
final io.grpc.netty.ProtocolNegotiator negotiator = ProtocolNegotiators.serverTls(sslContext);
final class ServerTlsNegotiator implements InternalProtocolNegotiator.ProtocolNegotiator {
@Override
public AsciiString scheme() {
return negotiator.scheme();
}
@Override
public ChannelHandler newHandler(GrpcHttp2ConnectionHandler grpcHandler) {
return negotiator.newHandler(grpcHandler);
}
@Override
public void close() {
negotiator.close();
}
}
return new ServerTlsNegotiator();
}
/** Returns a {@link ProtocolNegotiator} for plaintext client channel. */
public static InternalProtocolNegotiator.ProtocolNegotiator plaintext() {
final io.grpc.netty.ProtocolNegotiator negotiator = ProtocolNegotiators.plaintext();
final class PlaintextNegotiator implements InternalProtocolNegotiator.ProtocolNegotiator {
@Override
public AsciiString scheme() {
return negotiator.scheme();
}
@Override
public ChannelHandler newHandler(GrpcHttp2ConnectionHandler grpcHandler) {
return negotiator.newHandler(grpcHandler);
}
@Override
public void close() {
negotiator.close();
}
}
return new PlaintextNegotiator();
}
/** Returns a {@link ProtocolNegotiator} for plaintext server channel. */
public static InternalProtocolNegotiator.ProtocolNegotiator serverPlaintext() {
final io.grpc.netty.ProtocolNegotiator negotiator = ProtocolNegotiators.serverPlaintext();
final class ServerPlaintextNegotiator implements InternalProtocolNegotiator.ProtocolNegotiator {
@Override
public AsciiString scheme() {
return negotiator.scheme();
}
@Override
public ChannelHandler newHandler(GrpcHttp2ConnectionHandler grpcHandler) {
return negotiator.newHandler(grpcHandler);
}
@Override
public void close() {
negotiator.close();
}
}
return new ServerPlaintextNegotiator();
}
/**
* Internal version of {@link WaitUntilActiveHandler}.
*/
public static ChannelHandler waitUntilActiveHandler(ChannelHandler next,
ChannelLogger negotiationLogger) {
return new WaitUntilActiveHandler(next, negotiationLogger);
}
/**
* Internal version of {@link GrpcNegotiationHandler}.
*/
public static ChannelHandler grpcNegotiationHandler(GrpcHttp2ConnectionHandler next) {
return new GrpcNegotiationHandler(next);
}
public static ChannelHandler clientTlsHandler(
ChannelHandler next, SslContext sslContext, String authority,
ChannelLogger negotiationLogger) {
return new ClientTlsHandler(next, sslContext, authority, null, negotiationLogger);
}
public static class ProtocolNegotiationHandler
extends ProtocolNegotiators.ProtocolNegotiationHandler {
protected ProtocolNegotiationHandler(ChannelHandler next, String negotiatorName,
ChannelLogger negotiationLogger) {
super(next, negotiatorName, negotiationLogger);
}
protected ProtocolNegotiationHandler(ChannelHandler next, ChannelLogger negotiationLogger) {
super(next, negotiationLogger);
}
}
}