diff options
Diffstat (limited to 'vendor/github.com/prometheus/common/model/value_histogram.go')
-rw-r--r-- | vendor/github.com/prometheus/common/model/value_histogram.go | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/vendor/github.com/prometheus/common/model/value_histogram.go b/vendor/github.com/prometheus/common/model/value_histogram.go deleted file mode 100644 index 895e6a3e8..000000000 --- a/vendor/github.com/prometheus/common/model/value_histogram.go +++ /dev/null @@ -1,179 +0,0 @@ -// Copyright 2013 The Prometheus 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 model - -import ( - "encoding/json" - "errors" - "fmt" - "strconv" - "strings" -) - -type FloatString float64 - -func (v FloatString) String() string { - return strconv.FormatFloat(float64(v), 'f', -1, 64) -} - -func (v FloatString) MarshalJSON() ([]byte, error) { - return json.Marshal(v.String()) -} - -func (v *FloatString) UnmarshalJSON(b []byte) error { - if len(b) < 2 || b[0] != '"' || b[len(b)-1] != '"' { - return errors.New("float value must be a quoted string") - } - f, err := strconv.ParseFloat(string(b[1:len(b)-1]), 64) - if err != nil { - return err - } - *v = FloatString(f) - return nil -} - -type HistogramBucket struct { - Boundaries int32 - Lower FloatString - Upper FloatString - Count FloatString -} - -func (s HistogramBucket) MarshalJSON() ([]byte, error) { - b, err := json.Marshal(s.Boundaries) - if err != nil { - return nil, err - } - l, err := json.Marshal(s.Lower) - if err != nil { - return nil, err - } - u, err := json.Marshal(s.Upper) - if err != nil { - return nil, err - } - c, err := json.Marshal(s.Count) - if err != nil { - return nil, err - } - return []byte(fmt.Sprintf("[%s,%s,%s,%s]", b, l, u, c)), nil -} - -func (s *HistogramBucket) UnmarshalJSON(buf []byte) error { - tmp := []interface{}{&s.Boundaries, &s.Lower, &s.Upper, &s.Count} - wantLen := len(tmp) - if err := json.Unmarshal(buf, &tmp); err != nil { - return err - } - if gotLen := len(tmp); gotLen != wantLen { - return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen) - } - return nil -} - -func (s *HistogramBucket) Equal(o *HistogramBucket) bool { - return s == o || (s.Boundaries == o.Boundaries && s.Lower == o.Lower && s.Upper == o.Upper && s.Count == o.Count) -} - -func (b HistogramBucket) String() string { - var sb strings.Builder - lowerInclusive := b.Boundaries == 1 || b.Boundaries == 3 - upperInclusive := b.Boundaries == 0 || b.Boundaries == 3 - if lowerInclusive { - sb.WriteRune('[') - } else { - sb.WriteRune('(') - } - fmt.Fprintf(&sb, "%g,%g", b.Lower, b.Upper) - if upperInclusive { - sb.WriteRune(']') - } else { - sb.WriteRune(')') - } - fmt.Fprintf(&sb, ":%v", b.Count) - return sb.String() -} - -type HistogramBuckets []*HistogramBucket - -func (s HistogramBuckets) Equal(o HistogramBuckets) bool { - if len(s) != len(o) { - return false - } - - for i, bucket := range s { - if !bucket.Equal(o[i]) { - return false - } - } - return true -} - -type SampleHistogram struct { - Count FloatString `json:"count"` - Sum FloatString `json:"sum"` - Buckets HistogramBuckets `json:"buckets"` -} - -func (s SampleHistogram) String() string { - return fmt.Sprintf("Count: %f, Sum: %f, Buckets: %v", s.Count, s.Sum, s.Buckets) -} - -func (s *SampleHistogram) Equal(o *SampleHistogram) bool { - return s == o || (s.Count == o.Count && s.Sum == o.Sum && s.Buckets.Equal(o.Buckets)) -} - -type SampleHistogramPair struct { - Timestamp Time - // Histogram should never be nil, it's only stored as pointer for efficiency. - Histogram *SampleHistogram -} - -func (s SampleHistogramPair) MarshalJSON() ([]byte, error) { - if s.Histogram == nil { - return nil, errors.New("histogram is nil") - } - t, err := json.Marshal(s.Timestamp) - if err != nil { - return nil, err - } - v, err := json.Marshal(s.Histogram) - if err != nil { - return nil, err - } - return []byte(fmt.Sprintf("[%s,%s]", t, v)), nil -} - -func (s *SampleHistogramPair) UnmarshalJSON(buf []byte) error { - tmp := []interface{}{&s.Timestamp, &s.Histogram} - wantLen := len(tmp) - if err := json.Unmarshal(buf, &tmp); err != nil { - return err - } - if gotLen := len(tmp); gotLen != wantLen { - return fmt.Errorf("wrong number of fields: %d != %d", gotLen, wantLen) - } - if s.Histogram == nil { - return errors.New("histogram is null") - } - return nil -} - -func (s SampleHistogramPair) String() string { - return fmt.Sprintf("%s @[%s]", s.Histogram, s.Timestamp) -} - -func (s *SampleHistogramPair) Equal(o *SampleHistogramPair) bool { - return s == o || (s.Histogram.Equal(o.Histogram) && s.Timestamp.Equal(o.Timestamp)) -} |