40 lines
877 B
Go
40 lines
877 B
Go
// Copyright 2013 The Chihaya Authors. All rights reserved.
|
|
// Use of this source code is governed by the BSD 2-Clause license,
|
|
// which can be found in the LICENSE file.
|
|
|
|
package server
|
|
|
|
import (
|
|
"encoding/json"
|
|
"net/http"
|
|
"sync/atomic"
|
|
"time"
|
|
|
|
"github.com/chihaya/chihaya/config"
|
|
)
|
|
|
|
type stats struct {
|
|
Uptime config.Duration `json:"uptime"`
|
|
RPM int64 `json:"req_per_min"`
|
|
}
|
|
|
|
func (s *Server) serveStats(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
|
|
stats, _ := json.Marshal(&stats{
|
|
config.Duration{time.Now().Sub(s.startTime)},
|
|
s.rpm,
|
|
})
|
|
|
|
length, _ := w.Write(stats)
|
|
w.Header().Set("Content-Length", string(length))
|
|
w.(http.Flusher).Flush()
|
|
}
|
|
|
|
func (s *Server) updateStats() {
|
|
for _ = range time.NewTicker(time.Minute).C {
|
|
s.rpm = s.deltaRequests
|
|
atomic.StoreInt64(&s.deltaRequests, 0)
|
|
}
|
|
}
|