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Beego/toolbox/statistics.go
2014-07-03 23:40:21 +08:00

103 lines
2.8 KiB
Go

// Beego (http://beego.me/)
//
// @description beego is an open-source, high-performance web framework for the Go programming language.
//
// @link http://github.com/astaxie/beego for the canonical source repository
//
// @license http://github.com/astaxie/beego/blob/master/LICENSE
//
// @authors astaxie
package toolbox
import (
"fmt"
"io"
"sync"
"time"
)
// Statistics struct
type Statistics struct {
RequestUrl string
RequestController string
RequestNum int64
MinTime time.Duration
MaxTime time.Duration
TotalTime time.Duration
}
// UrlMap contains several statistics struct to log different data
type UrlMap struct {
lock sync.RWMutex
LengthLimit int //limit the urlmap's length if it's equal to 0 there's no limit
urlmap map[string]map[string]*Statistics
}
// add statistics task.
// it needs request method, request url, request controller and statistics time duration
func (m *UrlMap) AddStatistics(requestMethod, requestUrl, requestController string, requesttime time.Duration) {
m.lock.Lock()
defer m.lock.Unlock()
if method, ok := m.urlmap[requestUrl]; ok {
if s, ok := method[requestMethod]; ok {
s.RequestNum += 1
if s.MaxTime < requesttime {
s.MaxTime = requesttime
}
if s.MinTime > requesttime {
s.MinTime = requesttime
}
s.TotalTime += requesttime
} else {
nb := &Statistics{
RequestUrl: requestUrl,
RequestController: requestController,
RequestNum: 1,
MinTime: requesttime,
MaxTime: requesttime,
TotalTime: requesttime,
}
m.urlmap[requestUrl][requestMethod] = nb
}
} else {
if m.LengthLimit > 0 && m.LengthLimit <= len(m.urlmap) {
return
}
methodmap := make(map[string]*Statistics)
nb := &Statistics{
RequestUrl: requestUrl,
RequestController: requestController,
RequestNum: 1,
MinTime: requesttime,
MaxTime: requesttime,
TotalTime: requesttime,
}
methodmap[requestMethod] = nb
m.urlmap[requestUrl] = methodmap
}
}
// put url statistics result in io.Writer
func (m *UrlMap) GetMap(rw io.Writer) {
m.lock.RLock()
defer m.lock.RUnlock()
fmt.Fprintf(rw, "| % -50s| % -10s | % -16s | % -16s | % -16s | % -16s | % -16s |\n", "requestUrl", "method", "times", "used", "max used", "min used", "avg used")
for k, v := range m.urlmap {
for kk, vv := range v {
fmt.Fprintf(rw, "| % -50s| % -10s | % -16d | % -16s | % -16s | % -16s | % -16s |\n", k,
kk, vv.RequestNum, toS(vv.TotalTime), toS(vv.MaxTime), toS(vv.MinTime), toS(time.Duration(int64(vv.TotalTime)/vv.RequestNum)),
)
}
}
}
// global statistics data map
var StatisticsMap *UrlMap
func init() {
StatisticsMap = &UrlMap{
urlmap: make(map[string]map[string]*Statistics),
}
}