#20073

Committed 13 Nov 2025 02:41PM UTC coverage: 88.522% (-0.03%) from 88.552%

Build # #20073

Build Type

push

github

Committed by

ejona86

Commit Message

alts: Metadata server address modification to account for default port

Fixing the utilization of the GCE Metadata host server address
environment variable to account for the case where the user does not
specify a port (defaults to port 8080)

b/451639946

Run Details

34969 of 39503 relevant lines covered (88.52%)

0.89 hits per line

Source File
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87.88

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

/*
 * Copyright 2016 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.errorprone.annotations.CanIgnoreReturnValue;
import io.grpc.Attributes;
import io.grpc.Status;
import io.grpc.internal.ManagedClientTransport;

/** Maintainer of transport lifecycle status. */
final class ClientTransportLifecycleManager {
  private final ManagedClientTransport.Listener listener;
  private boolean transportReady;
  private boolean transportShutdown;
  private boolean transportInUse;
  /** null iff !transportShutdown. */
  private Status shutdownStatus;
  /** null iff !transportShutdown. */
  private boolean transportTerminated;

  public ClientTransportLifecycleManager(ManagedClientTransport.Listener listener) {
    this.listener = listener;
  }

  public Attributes filterAttributes(Attributes attributes) {
    if (transportReady || transportShutdown) {
      return attributes;
    }
    return listener.filterTransport(attributes);
  }

  public void notifyReady() {
    if (transportReady || transportShutdown) {
      return;
    }
    transportReady = true;
    listener.transportReady();
  }

  /**
   * Marks transport as shutdown, but does not set the error status. This must eventually be
   * followed by a call to notifyShutdown.
   */
  public void notifyGracefulShutdown(Status s) {
    if (transportShutdown) {
      return;
    }
    transportShutdown = true;
    listener.transportShutdown(s);
  }

  /** Returns {@code true} if was the first shutdown. */
  @CanIgnoreReturnValue
  public boolean notifyShutdown(Status s) {
    notifyGracefulShutdown(s);
    if (shutdownStatus != null) {
      return false;
    }
    shutdownStatus = s;
    return true;
  }

  public void notifyInUse(boolean inUse) {
    if (inUse == transportInUse) {
      return;
    }
    transportInUse = inUse;
    listener.transportInUse(inUse);
  }

  public void notifyTerminated(Status s) {
    if (transportTerminated) {
      return;
    }
    transportTerminated = true;
    notifyShutdown(s);
    listener.transportTerminated();
  }

  public Status getShutdownStatus() {
    return shutdownStatus;
  }

}

1	/*
2	* Copyright 2016 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.errorprone.annotations.CanIgnoreReturnValue;
20	import io.grpc.Attributes;
21	import io.grpc.Status;
22	import io.grpc.internal.ManagedClientTransport;
23
24	/** Maintainer of transport lifecycle status. */
25	final class ClientTransportLifecycleManager {
26	private final ManagedClientTransport.Listener listener;
27	private boolean transportReady;
28	private boolean transportShutdown;
29	private boolean transportInUse;
30	/** null iff !transportShutdown. */
31	private Status shutdownStatus;
32	/** null iff !transportShutdown. */
33	private boolean transportTerminated;
34
35	public ClientTransportLifecycleManager(ManagedClientTransport.Listener listener) {	1✔
36	this.listener = listener;	1✔
37	}	1✔
38
39	public Attributes filterAttributes(Attributes attributes) {
40	if (transportReady \|\| transportShutdown) {	1✔
41	return attributes;	×
42	}
43	return listener.filterTransport(attributes);	1✔
44	}
45
46	public void notifyReady() {
47	if (transportReady \|\| transportShutdown) {	1✔
48	return;	×
49	}
50	transportReady = true;	1✔
51	listener.transportReady();	1✔
52	}	1✔
53
54	/**
55	* Marks transport as shutdown, but does not set the error status. This must eventually be
56	* followed by a call to notifyShutdown.
57	*/
58	public void notifyGracefulShutdown(Status s) {
59	if (transportShutdown) {	1✔
60	return;	1✔
61	}
62	transportShutdown = true;	1✔
63	listener.transportShutdown(s);	1✔
64	}	1✔
65
66	/** Returns {@code true} if was the first shutdown. */
67	@CanIgnoreReturnValue
68	public boolean notifyShutdown(Status s) {
69	notifyGracefulShutdown(s);	1✔
70	if (shutdownStatus != null) {	1✔
71	return false;	1✔
72	}
73	shutdownStatus = s;	1✔
74	return true;	1✔
75	}
76
77	public void notifyInUse(boolean inUse) {
78	if (inUse == transportInUse) {	1✔
79	return;	×
80	}
81	transportInUse = inUse;	1✔
82	listener.transportInUse(inUse);	1✔
83	}	1✔
84
85	public void notifyTerminated(Status s) {
86	if (transportTerminated) {	1✔
87	return;	×
88	}
89	transportTerminated = true;	1✔
90	notifyShutdown(s);	1✔
91	listener.transportTerminated();	1✔
92	}	1✔
93
94	public Status getShutdownStatus() {
95	return shutdownStatus;	1✔
96	}
97
98	}

grpc / grpc-java / #20073

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