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model.go
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model.go
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/*
* MIT License
*
* Copyright (c) 2022 Nicolas JUHEL
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*
*/
package prometheus
import (
"net/http"
"strings"
"sync"
prmpol "github.com/nabbar/golib/prometheus/pool"
)
// GinPrometheus is an object that uses to set gin server monitor.
type prom struct {
m sync.RWMutex
exclude []string
slowTime int32
reqDuration []float64
ginMet prmpol.MetricPool
othMet prmpol.MetricPool
handle http.Handler
}
// SetSlowTime set slowTime property. slowTime is used to determine whether
// the request is slow. For "gin_slow_request_total" metric.
func (m *prom) SetSlowTime(slowTime int32) {
m.m.Lock()
defer m.m.Unlock()
m.slowTime = slowTime
}
// GetSlowTime retrieve the slowTime property. slowTime is used to determine whether
// the request is slow. For "gin_slow_request_total" metric.
func (m *prom) GetSlowTime() int32 {
m.m.RLock()
defer m.m.RUnlock()
return m.slowTime
}
// SetDuration set duration property. duration is used to ginRequestDuration
// metric buckets.
func (m *prom) SetDuration(duration []float64) {
m.m.Lock()
defer m.m.Unlock()
m.reqDuration = duration
}
// GetDuration retrieve the duration property. duration is used to ginRequestDuration
// metric buckets.
func (m *prom) GetDuration() []float64 {
m.m.RLock()
defer m.m.RUnlock()
return m.reqDuration
}
func (m *prom) ExcludePath(startWith ...string) {
m.m.Lock()
defer m.m.Unlock()
for _, p := range startWith {
if p != "" {
m.exclude = append(m.exclude, p)
}
}
}
func (m *prom) isExclude(path string) bool {
m.m.RLock()
defer m.m.RUnlock()
if len(m.exclude) < 1 {
return false
}
if !strings.HasPrefix(path, "/") {
path = "/" + path
}
for _, p := range m.exclude {
if p != "" && strings.HasPrefix(path, p) {
return true
}
}
return false
}