* stats: remove old code
This commit is contained in:
Simon Zolin
committed by
Ildar Kamalov
Ildar Kamalov
parent
fe23b33d7e
commit
60eb55bdce
150
home/control.go
150
home/control.go
@@ -1,12 +1,10 @@
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package home
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"net"
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"net/http"
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"sort"
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"strconv"
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"strings"
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"time"
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@@ -177,149 +175,6 @@ func handleQueryLog(w http.ResponseWriter, r *http.Request) {
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}
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}
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func handleStatsTop(w http.ResponseWriter, r *http.Request) {
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s := config.dnsServer.GetStatsTop()
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// use manual json marshalling because we want maps to be sorted by value
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statsJSON := bytes.Buffer{}
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statsJSON.WriteString("{\n")
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gen := func(json *bytes.Buffer, name string, top map[string]int, addComma bool) {
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json.WriteString(" ")
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json.WriteString(fmt.Sprintf("%q", name))
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json.WriteString(": {\n")
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sorted := sortByValue(top)
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// no more than 50 entries
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if len(sorted) > 50 {
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sorted = sorted[:50]
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}
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for i, key := range sorted {
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json.WriteString(" ")
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json.WriteString(fmt.Sprintf("%q", key))
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json.WriteString(": ")
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json.WriteString(strconv.Itoa(top[key]))
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if i+1 != len(sorted) {
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json.WriteByte(',')
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}
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json.WriteByte('\n')
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}
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json.WriteString(" }")
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if addComma {
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json.WriteByte(',')
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}
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json.WriteByte('\n')
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}
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gen(&statsJSON, "top_queried_domains", s.Domains, true)
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gen(&statsJSON, "top_blocked_domains", s.Blocked, true)
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gen(&statsJSON, "top_clients", s.Clients, true)
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statsJSON.WriteString(" \"stats_period\": \"24 hours\"\n")
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statsJSON.WriteString("}\n")
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w.Header().Set("Content-Type", "application/json")
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_, err := w.Write(statsJSON.Bytes())
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if err != nil {
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httpError(w, http.StatusInternalServerError, "Couldn't write body: %s", err)
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}
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}
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// handleStatsReset resets the stats caches
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func handleStatsReset(w http.ResponseWriter, r *http.Request) {
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config.dnsServer.PurgeStats()
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_, err := fmt.Fprintf(w, "OK\n")
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if err != nil {
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httpError(w, http.StatusInternalServerError, "Couldn't write body: %s", err)
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}
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}
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// handleStats returns aggregated stats data for the 24 hours
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func handleStats(w http.ResponseWriter, r *http.Request) {
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summed := config.dnsServer.GetAggregatedStats()
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statsJSON, err := json.Marshal(summed)
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if err != nil {
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httpError(w, http.StatusInternalServerError, "Unable to marshal status json: %s", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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_, err = w.Write(statsJSON)
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if err != nil {
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httpError(w, http.StatusInternalServerError, "Unable to write response json: %s", err)
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return
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}
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}
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// HandleStatsHistory returns historical stats data for the 24 hours
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func handleStatsHistory(w http.ResponseWriter, r *http.Request) {
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// handle time unit and prepare our time window size
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timeUnitString := r.URL.Query().Get("time_unit")
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var timeUnit time.Duration
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switch timeUnitString {
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case "seconds":
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timeUnit = time.Second
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case "minutes":
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timeUnit = time.Minute
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case "hours":
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timeUnit = time.Hour
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case "days":
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timeUnit = time.Hour * 24
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default:
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http.Error(w, "Must specify valid time_unit parameter", http.StatusBadRequest)
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return
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}
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// parse start and end time
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startTime, err := time.Parse(time.RFC3339, r.URL.Query().Get("start_time"))
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if err != nil {
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httpError(w, http.StatusBadRequest, "Must specify valid start_time parameter: %s", err)
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return
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}
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endTime, err := time.Parse(time.RFC3339, r.URL.Query().Get("end_time"))
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if err != nil {
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httpError(w, http.StatusBadRequest, "Must specify valid end_time parameter: %s", err)
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return
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}
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data, err := config.dnsServer.GetStatsHistory(timeUnit, startTime, endTime)
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if err != nil {
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httpError(w, http.StatusBadRequest, "Cannot get stats history: %s", err)
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return
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}
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statsJSON, err := json.Marshal(data)
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if err != nil {
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httpError(w, http.StatusInternalServerError, "Unable to marshal status json: %s", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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_, err = w.Write(statsJSON)
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if err != nil {
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httpError(w, http.StatusInternalServerError, "Unable to write response json: %s", err)
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return
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}
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}
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// sortByValue is a helper function for querylog API
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func sortByValue(m map[string]int) []string {
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type kv struct {
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k string
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v int
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}
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var ss []kv
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for k, v := range m {
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ss = append(ss, kv{k, v})
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}
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sort.Slice(ss, func(l, r int) bool {
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return ss[l].v > ss[r].v
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})
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sorted := []string{}
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for _, v := range ss {
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sorted = append(sorted, v.k)
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}
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return sorted
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}
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// -----------------------
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// upstreams configuration
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// -----------------------
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@@ -722,10 +577,6 @@ func registerControlHandlers() {
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httpRegister(http.MethodPost, "/control/test_upstream_dns", handleTestUpstreamDNS)
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httpRegister(http.MethodPost, "/control/i18n/change_language", handleI18nChangeLanguage)
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httpRegister(http.MethodGet, "/control/i18n/current_language", handleI18nCurrentLanguage)
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httpRegister(http.MethodGet, "/control/stats_top", handleStatsTop)
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httpRegister(http.MethodGet, "/control/stats", handleStats)
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httpRegister(http.MethodGet, "/control/stats_history", handleStatsHistory)
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httpRegister(http.MethodPost, "/control/stats_reset", handleStatsReset)
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http.HandleFunc("/control/version.json", postInstall(optionalAuth(handleGetVersionJSON)))
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httpRegister(http.MethodPost, "/control/update", handleUpdate)
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httpRegister(http.MethodPost, "/control/filtering/enable", handleFilteringEnable)
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@@ -760,6 +611,7 @@ func registerControlHandlers() {
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RegisterClientsHandlers()
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registerRewritesHandlers()
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RegisterBlockedServicesHandlers()
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RegisterStatsHandlers()
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http.HandleFunc("/dns-query", postInstall(handleDOH))
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}
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