#19299

Committed 21 Jun 2024 11:32PM CUT coverage: 88.309% (-0.005%) from 88.314%

Build # #19299

Build Type

push

github

Committed by

web-flow

Commit Message

netty:Fix Netty composite buffer merging to be compatible with Netty 4.1.111 (#11294) (#11302)

* Use addComponent instead of addFlattenedComponent and do not append to components that are composites.

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32065 of 36310 relevant lines covered (88.31%)

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0.0

/../api/src/main/java/io/grpc/MetricRecorder.java

/*
 * Copyright 2024 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;

import java.util.List;

/**
 * An interface used for recording gRPC metrics. Implementations of this interface are responsible
 * for collecting and potentially reporting metrics from various gRPC components.
 */
@Internal
public interface MetricRecorder {
  /**
   * Adds a value for a double-precision counter metric instrument.
   *
   * @param metricInstrument The counter metric instrument to add the value against.
   * @param value The value to add.
   * @param requiredLabelValues A list of required label values for the metric.
   * @param optionalLabelValues A list of additional, optional label values for the metric.
   */
  default void addDoubleCounter(DoubleCounterMetricInstrument metricInstrument, double value,
      List<String> requiredLabelValues, List<String> optionalLabelValues) {}

  /**
   * Adds a value for a long valued counter metric instrument.
   *
   * @param metricInstrument The counter metric instrument to add the value against.
   * @param value The value to add.
   * @param requiredLabelValues A list of required label values for the metric.
   * @param optionalLabelValues A list of additional, optional label values for the metric.
   */
  default void addLongCounter(LongCounterMetricInstrument metricInstrument, long value,
      List<String> requiredLabelValues, List<String> optionalLabelValues) {}

  /**
   * Records a value for a double-precision histogram metric instrument.
   *
   * @param metricInstrument The histogram metric instrument to record the value against.
   * @param value The value to record.
   * @param requiredLabelValues A list of required label values for the metric.
   * @param optionalLabelValues A list of additional, optional label values for the metric.
   */
  default void recordDoubleHistogram(DoubleHistogramMetricInstrument metricInstrument, double value,
      List<String> requiredLabelValues, List<String> optionalLabelValues) {}

  /**
   * Records a value for a long valued histogram metric instrument.
   *
   * @param metricInstrument The histogram metric instrument to record the value against.
   * @param value The value to record.
   * @param requiredLabelValues A list of required label values for the metric.
   * @param optionalLabelValues A list of additional, optional label values for the metric.
   */
  default void recordLongHistogram(LongHistogramMetricInstrument metricInstrument, long value,
      List<String> requiredLabelValues, List<String> optionalLabelValues) {}

  /**
   * Registers a callback to produce metric values for only the listed instruments. The returned
   * registration must be closed when no longer needed, which will remove the callback.
   *
   * @param callback The callback to call to record.
   * @param metricInstruments The metric instruments the callback will record against.
   */
  default Registration registerBatchCallback(BatchCallback callback,
      CallbackMetricInstrument... metricInstruments) {
    return () -> { };
  }

  /** Callback to record gauge values. */
  interface BatchCallback {
    /** Records instrument values into {@code recorder}. */
    void accept(BatchRecorder recorder);
  }

  /** Recorder for instrument values produced by a batch callback. */
  interface BatchRecorder {
    /**
     * Record a long gauge value.
     *
     * @param value The value to record.
     * @param requiredLabelValues A list of required label values for the metric.
     * @param optionalLabelValues A list of additional, optional label values for the metric.
     */
    void recordLongGauge(LongGaugeMetricInstrument metricInstrument, long value,
        List<String> requiredLabelValues, List<String> optionalLabelValues);
  }

  /** A handle to a registration, that allows unregistration. */
  interface Registration extends AutoCloseable {
    // Redefined to not throw an exception.
    /** Unregister. */
    @Override
    void close();
  }
}

1	/*
2	* Copyright 2024 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;
18
19	import java.util.List;
20
21	/**
22	* An interface used for recording gRPC metrics. Implementations of this interface are responsible
23	* for collecting and potentially reporting metrics from various gRPC components.
24	*/
25	@Internal
26	public interface MetricRecorder {
27	/**
28	* Adds a value for a double-precision counter metric instrument.
29	*
30	* @param metricInstrument The counter metric instrument to add the value against.
31	* @param value The value to add.
32	* @param requiredLabelValues A list of required label values for the metric.
33	* @param optionalLabelValues A list of additional, optional label values for the metric.
34	*/
35	default void addDoubleCounter(DoubleCounterMetricInstrument metricInstrument, double value,
36	List<String> requiredLabelValues, List<String> optionalLabelValues) {}	×
37
38	/**
39	* Adds a value for a long valued counter metric instrument.
40	*
41	* @param metricInstrument The counter metric instrument to add the value against.
42	* @param value The value to add.
43	* @param requiredLabelValues A list of required label values for the metric.
44	* @param optionalLabelValues A list of additional, optional label values for the metric.
45	*/
46	default void addLongCounter(LongCounterMetricInstrument metricInstrument, long value,
47	List<String> requiredLabelValues, List<String> optionalLabelValues) {}	×
48
49	/**
50	* Records a value for a double-precision histogram metric instrument.
51	*
52	* @param metricInstrument The histogram metric instrument to record the value against.
53	* @param value The value to record.
54	* @param requiredLabelValues A list of required label values for the metric.
55	* @param optionalLabelValues A list of additional, optional label values for the metric.
56	*/
57	default void recordDoubleHistogram(DoubleHistogramMetricInstrument metricInstrument, double value,
58	List<String> requiredLabelValues, List<String> optionalLabelValues) {}	×
59
60	/**
61	* Records a value for a long valued histogram metric instrument.
62	*
63	* @param metricInstrument The histogram metric instrument to record the value against.
64	* @param value The value to record.
65	* @param requiredLabelValues A list of required label values for the metric.
66	* @param optionalLabelValues A list of additional, optional label values for the metric.
67	*/
68	default void recordLongHistogram(LongHistogramMetricInstrument metricInstrument, long value,
69	List<String> requiredLabelValues, List<String> optionalLabelValues) {}	×
70
71	/**
72	* Registers a callback to produce metric values for only the listed instruments. The returned
73	* registration must be closed when no longer needed, which will remove the callback.
74	*
75	* @param callback The callback to call to record.
76	* @param metricInstruments The metric instruments the callback will record against.
77	*/
78	default Registration registerBatchCallback(BatchCallback callback,
79	CallbackMetricInstrument... metricInstruments) {
80	return () -> { };	×
81	}
82
83	/** Callback to record gauge values. */
84	interface BatchCallback {
85	/** Records instrument values into {@code recorder}. */
86	void accept(BatchRecorder recorder);
87	}
88
89	/** Recorder for instrument values produced by a batch callback. */
90	interface BatchRecorder {
91	/**
92	* Record a long gauge value.
93	*
94	* @param value The value to record.
95	* @param requiredLabelValues A list of required label values for the metric.
96	* @param optionalLabelValues A list of additional, optional label values for the metric.
97	*/
98	void recordLongGauge(LongGaugeMetricInstrument metricInstrument, long value,
99	List<String> requiredLabelValues, List<String> optionalLabelValues);
100	}
101
102	/** A handle to a registration, that allows unregistration. */
103	interface Registration extends AutoCloseable {
104	// Redefined to not throw an exception.
105	/** Unregister. */
106	@Override
107	void close();
108	}
109	}

grpc / grpc-java / #19299

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