dubbo.apache.org/dubbo-go/v3@v3.1.1/cluster/metrics/local_metrics.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package metrics
    19  
    20  import (
    21  	"fmt"
    22  	"sync"
    23  )
    24  
    25  import (
    26  	"dubbo.apache.org/dubbo-go/v3/common"
    27  )
    28  
    29  var LocalMetrics Metrics
    30  
    31  func init() {
    32  	LocalMetrics = newLocalMetrics()
    33  }
    34  
    35  var _ Metrics = (*localMetrics)(nil)
    36  
    37  type localMetrics struct {
    38  	// protect metrics
    39  	lock    *sync.RWMutex
    40  	metrics map[string]interface{}
    41  }
    42  
    43  func newLocalMetrics() *localMetrics {
    44  	return &localMetrics{
    45  		lock:    new(sync.RWMutex),
    46  		metrics: make(map[string]interface{}),
    47  	}
    48  }
    49  
    50  func (m *localMetrics) GetMethodMetrics(url *common.URL, methodName, key string) (interface{}, error) {
    51  	m.lock.RLock()
    52  	defer m.lock.RUnlock()
    53  	metricsKey := fmt.Sprintf("%s.%s.%s.%s", getInstanceKey(url), getInvokerKey(url), methodName, key)
    54  	if metrics, ok := m.metrics[metricsKey]; ok {
    55  		return metrics, nil
    56  	}
    57  	return nil, ErrMetricsNotFound
    58  }
    59  
    60  func (m *localMetrics) SetMethodMetrics(url *common.URL, methodName, key string, value interface{}) error {
    61  	m.lock.Lock()
    62  	defer m.lock.Unlock()
    63  	metricsKey := fmt.Sprintf("%s.%s.%s.%s", getInstanceKey(url), getInvokerKey(url), methodName, key)
    64  	m.metrics[metricsKey] = value
    65  	return nil
    66  }
    67  
    68  func (m *localMetrics) GetInvokerMetrics(url *common.URL, key string) (interface{}, error) {
    69  	panic("implement me")
    70  }
    71  
    72  func (m *localMetrics) SetInvokerMetrics(url *common.URL, key string, value interface{}) error {
    73  	panic("implement me")
    74  }
    75  
    76  func (m *localMetrics) GetInstanceMetrics(url *common.URL, key string) (interface{}, error) {
    77  	panic("implement me")
    78  }
    79  
    80  func (m *localMetrics) SetInstanceMetrics(url *common.URL, key string, value interface{}) error {
    81  	panic("implement me")
    82  }