ae8de95d89
Merge in DNS/adguard-home from 2234-move-to-internal to master
Squashed commit of the following:
commit d26a288cabeac86f9483fab307677b1027c78524
Author: Eugene Burkov <e.burkov@adguard.com>
Date: Fri Oct 30 12:44:18 2020 +0300
* all: move internal Go packages to internal/
Closes #2234.
98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
// HTTP request handlers for accessing statistics data and configuration settings
|
|
|
|
package stats
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/AdguardTeam/golibs/log"
|
|
)
|
|
|
|
func httpError(r *http.Request, w http.ResponseWriter, code int, format string, args ...interface{}) {
|
|
text := fmt.Sprintf(format, args...)
|
|
|
|
log.Info("Stats: %s %s: %s", r.Method, r.URL, text)
|
|
|
|
http.Error(w, text, code)
|
|
}
|
|
|
|
// Return data
|
|
func (s *statsCtx) handleStats(w http.ResponseWriter, r *http.Request) {
|
|
start := time.Now()
|
|
d := s.getData()
|
|
log.Debug("Stats: prepared data in %v", time.Since(start))
|
|
|
|
if d == nil {
|
|
httpError(r, w, http.StatusInternalServerError, "Couldn't get statistics data")
|
|
return
|
|
}
|
|
|
|
data, err := json.Marshal(d)
|
|
if err != nil {
|
|
httpError(r, w, http.StatusInternalServerError, "json encode: %s", err)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.Write(data)
|
|
}
|
|
|
|
type config struct {
|
|
IntervalDays uint32 `json:"interval"`
|
|
}
|
|
|
|
// Get configuration
|
|
func (s *statsCtx) handleStatsInfo(w http.ResponseWriter, r *http.Request) {
|
|
resp := config{}
|
|
resp.IntervalDays = s.conf.limit / 24
|
|
|
|
data, err := json.Marshal(resp)
|
|
if err != nil {
|
|
httpError(r, w, http.StatusInternalServerError, "json encode: %s", err)
|
|
return
|
|
}
|
|
w.Header().Set("Content-Type", "application/json")
|
|
_, err = w.Write(data)
|
|
if err != nil {
|
|
httpError(r, w, http.StatusInternalServerError, "http write: %s", err)
|
|
}
|
|
}
|
|
|
|
// Set configuration
|
|
func (s *statsCtx) handleStatsConfig(w http.ResponseWriter, r *http.Request) {
|
|
reqData := config{}
|
|
err := json.NewDecoder(r.Body).Decode(&reqData)
|
|
if err != nil {
|
|
httpError(r, w, http.StatusBadRequest, "json decode: %s", err)
|
|
return
|
|
}
|
|
|
|
if !checkInterval(reqData.IntervalDays) {
|
|
httpError(r, w, http.StatusBadRequest, "Unsupported interval")
|
|
return
|
|
}
|
|
|
|
s.setLimit(int(reqData.IntervalDays))
|
|
s.conf.ConfigModified()
|
|
}
|
|
|
|
// Reset data
|
|
func (s *statsCtx) handleStatsReset(w http.ResponseWriter, r *http.Request) {
|
|
s.clear()
|
|
}
|
|
|
|
// Register web handlers
|
|
func (s *statsCtx) initWeb() {
|
|
if s.conf.HTTPRegister == nil {
|
|
return
|
|
}
|
|
|
|
s.conf.HTTPRegister("GET", "/control/stats", s.handleStats)
|
|
s.conf.HTTPRegister("POST", "/control/stats_reset", s.handleStatsReset)
|
|
s.conf.HTTPRegister("POST", "/control/stats_config", s.handleStatsConfig)
|
|
s.conf.HTTPRegister("GET", "/control/stats_info", s.handleStatsInfo)
|
|
}
|