github.com/aacfactory/fns@v1.2.86-0.20240310083819-80d667fc0a17/services/tracings/span.go (about)

     1  /*
     2   * Copyright 2023 Wang Min Xiang
     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  
    18  package tracings
    19  
    20  import (
    21  	"time"
    22  )
    23  
    24  type Span struct {
    25  	Id       string            `json:"id" avro:"id"`
    26  	Endpoint string            `json:"endpoint" avro:"endpoint"`
    27  	Fn       string            `json:"fn" avro:"fn"`
    28  	Begin    time.Time         `json:"begin" avro:"begin"`
    29  	Waited   time.Time         `json:"waited" avro:"waited"`
    30  	End      time.Time         `json:"end" avro:"end"`
    31  	Tags     map[string]string `json:"tags" avro:"tags"`
    32  	Children []*Span           `json:"children" avro:"children"`
    33  	parent   *Span
    34  }
    35  
    36  func (span *Span) setTags(tags []string) {
    37  	n := len(tags)
    38  	if n == 0 {
    39  		return
    40  	}
    41  	if n%2 != 0 {
    42  		return
    43  	}
    44  	for i := 0; i < n; i += 2 {
    45  		k := tags[i]
    46  		v := tags[i+1]
    47  		span.Tags[k] = v
    48  	}
    49  }
    50  
    51  func (span *Span) mountChildrenParent() {
    52  	for _, child := range span.Children {
    53  		if child.parent == nil {
    54  			child.parent = span
    55  		}
    56  		child.mountChildrenParent()
    57  	}
    58  }