#20320

Committed 17 Jun 2026 05:11PM UTC coverage: 88.886% (+0.01%) from 88.874%

Build # #20320

Build Type

push

github

Committed by

web-flow

Commit Message

api: Add Grpc.newChannelBuilder accepting NameResolverRegistry (#11901)

This introduces a new `Grpc.newChannelBuilder` overload that allows callers to pass an explicit `NameResolverRegistry`. Fixes #11055

Coverage Stats

36550 of 41120 relevant lines covered (88.89%)

0.89 hits per line

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90.0

/../netty/src/main/java/io/grpc/netty/UdsNettyChannelProvider.java

/*
 * Copyright 2015 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 com.google.common.base.Preconditions;
import io.grpc.ChannelCredentials;
import io.grpc.Internal;
import io.grpc.ManagedChannelProvider;
import io.grpc.NameResolverProvider;
import io.grpc.NameResolverRegistry;
import io.grpc.internal.SharedResourcePool;
import io.netty.channel.unix.DomainSocketAddress;
import java.net.SocketAddress;
import java.util.Collection;
import java.util.Collections;

/** Provider for {@link NettyChannelBuilder} instances for UDS channels. */
@Internal
public final class UdsNettyChannelProvider extends ManagedChannelProvider {

  @Override
  public boolean isAvailable() {
    return (Utils.EPOLL_DOMAIN_CLIENT_CHANNEL_TYPE != null);
  }

  @Override
  public int priority() {
    return 3;
  }

  @Override
  public NettyChannelBuilder builderForAddress(String name, int port) {
    throw new AssertionError("NettyChannelProvider shadows this implementation");
  }

  @Override
  public NettyChannelBuilder builderForTarget(String target) {
    throw new AssertionError("NettyChannelProvider shadows this implementation");
  }

  @Override
  public NewChannelBuilderResult newChannelBuilder(String target, ChannelCredentials creds) {
    Preconditions.checkState(isAvailable());
    NewChannelBuilderResult result = new NettyChannelProvider().newChannelBuilder(target, creds);
    if (result.getChannelBuilder() != null) {
      ((NettyChannelBuilder) result.getChannelBuilder())
          .eventLoopGroupPool(SharedResourcePool.forResource(Utils.DEFAULT_WORKER_EVENT_LOOP_GROUP))
          .channelType(Utils.EPOLL_DOMAIN_CLIENT_CHANNEL_TYPE, DomainSocketAddress.class);
    }
    return result;
  }

  @Override
  public NewChannelBuilderResult newChannelBuilder(String target, ChannelCredentials creds,
                                                   NameResolverRegistry nameResolverRegistry,
                                                   NameResolverProvider nameResolverProvider) {
    Preconditions.checkState(isAvailable());
    NewChannelBuilderResult result = new NettyChannelProvider().newChannelBuilder(
        target, creds, nameResolverRegistry, nameResolverProvider);
    if (result.getChannelBuilder() != null) {
      ((NettyChannelBuilder) result.getChannelBuilder())
          .eventLoopGroupPool(SharedResourcePool.forResource(Utils.DEFAULT_WORKER_EVENT_LOOP_GROUP))
          .channelType(Utils.EPOLL_DOMAIN_CLIENT_CHANNEL_TYPE, DomainSocketAddress.class);
    }
    return result;
  }

  @Override
  protected Collection<Class<? extends SocketAddress>> getSupportedSocketAddressTypes() {
    return Collections.singleton(DomainSocketAddress.class);
  }
}

1	/*
2	* Copyright 2015 The gRPC Authors
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16
17	package io.grpc.netty;
18
19	import com.google.common.base.Preconditions;
20	import io.grpc.ChannelCredentials;
21	import io.grpc.Internal;
22	import io.grpc.ManagedChannelProvider;
23	import io.grpc.NameResolverProvider;
24	import io.grpc.NameResolverRegistry;
25	import io.grpc.internal.SharedResourcePool;
26	import io.netty.channel.unix.DomainSocketAddress;
27	import java.net.SocketAddress;
28	import java.util.Collection;
29	import java.util.Collections;
30
31	/** Provider for {@link NettyChannelBuilder} instances for UDS channels. */
32	@Internal
33	public final class UdsNettyChannelProvider extends ManagedChannelProvider {	1✔
34
35	@Override
36	public boolean isAvailable() {
37	return (Utils.EPOLL_DOMAIN_CLIENT_CHANNEL_TYPE != null);	1✔
38	}
39
40	@Override
41	public int priority() {
42	return 3;	1✔
43	}
44
45	@Override
46	public NettyChannelBuilder builderForAddress(String name, int port) {
47	throw new AssertionError("NettyChannelProvider shadows this implementation");	×
48	}
49
50	@Override
51	public NettyChannelBuilder builderForTarget(String target) {
52	throw new AssertionError("NettyChannelProvider shadows this implementation");	×
53	}
54
55	@Override
56	public NewChannelBuilderResult newChannelBuilder(String target, ChannelCredentials creds) {
57	Preconditions.checkState(isAvailable());	1✔
58	NewChannelBuilderResult result = new NettyChannelProvider().newChannelBuilder(target, creds);	1✔
59	if (result.getChannelBuilder() != null) {	1✔
60	((NettyChannelBuilder) result.getChannelBuilder())	1✔
61	.eventLoopGroupPool(SharedResourcePool.forResource(Utils.DEFAULT_WORKER_EVENT_LOOP_GROUP))	1✔
62	.channelType(Utils.EPOLL_DOMAIN_CLIENT_CHANNEL_TYPE, DomainSocketAddress.class);	1✔
63	}
64	return result;	1✔
65	}
66
67	@Override
68	public NewChannelBuilderResult newChannelBuilder(String target, ChannelCredentials creds,
69	NameResolverRegistry nameResolverRegistry,
70	NameResolverProvider nameResolverProvider) {
71	Preconditions.checkState(isAvailable());	1✔
72	NewChannelBuilderResult result = new NettyChannelProvider().newChannelBuilder(	1✔
73	target, creds, nameResolverRegistry, nameResolverProvider);
74	if (result.getChannelBuilder() != null) {	1✔
75	((NettyChannelBuilder) result.getChannelBuilder())	1✔
76	.eventLoopGroupPool(SharedResourcePool.forResource(Utils.DEFAULT_WORKER_EVENT_LOOP_GROUP))	1✔
77	.channelType(Utils.EPOLL_DOMAIN_CLIENT_CHANNEL_TYPE, DomainSocketAddress.class);	1✔
78	}
79	return result;	1✔
80	}
81
82	@Override
83	protected Collection<Class<? extends SocketAddress>> getSupportedSocketAddressTypes() {
84	return Collections.singleton(DomainSocketAddress.class);	1✔
85	}
86	}

grpc / grpc-java / #20320

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