mirror of
https://github.com/AdguardTeam/AdGuardHome.git
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c26ab190e7
Merge in DNS/adguard-home from imp-json-resp to master
Squashed commit of the following:
commit 44532b6fa551815e5ea876e7320ce0a73c32b6fb
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date: Fri Sep 30 15:59:58 2022 +0300
all: imp json resp
112 lines
3.4 KiB
Go
112 lines
3.4 KiB
Go
// HTTP request handlers for accessing statistics data and configuration settings
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package stats
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import (
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"encoding/json"
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"net/http"
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"sync/atomic"
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"time"
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"github.com/AdguardTeam/AdGuardHome/internal/aghhttp"
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"github.com/AdguardTeam/golibs/log"
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)
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// topAddrs is an alias for the types of the TopFoo fields of statsResponse.
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// The key is either a client's address or a requested address.
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type topAddrs = map[string]uint64
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// StatsResp is a response to the GET /control/stats.
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type StatsResp struct {
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TimeUnits string `json:"time_units"`
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TopQueried []topAddrs `json:"top_queried_domains"`
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TopClients []topAddrs `json:"top_clients"`
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TopBlocked []topAddrs `json:"top_blocked_domains"`
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DNSQueries []uint64 `json:"dns_queries"`
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BlockedFiltering []uint64 `json:"blocked_filtering"`
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ReplacedSafebrowsing []uint64 `json:"replaced_safebrowsing"`
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ReplacedParental []uint64 `json:"replaced_parental"`
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NumDNSQueries uint64 `json:"num_dns_queries"`
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NumBlockedFiltering uint64 `json:"num_blocked_filtering"`
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NumReplacedSafebrowsing uint64 `json:"num_replaced_safebrowsing"`
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NumReplacedSafesearch uint64 `json:"num_replaced_safesearch"`
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NumReplacedParental uint64 `json:"num_replaced_parental"`
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AvgProcessingTime float64 `json:"avg_processing_time"`
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}
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// handleStats handles requests to the GET /control/stats endpoint.
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func (s *StatsCtx) handleStats(w http.ResponseWriter, r *http.Request) {
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limit := atomic.LoadUint32(&s.limitHours)
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start := time.Now()
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resp, ok := s.getData(limit)
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log.Debug("stats: prepared data in %v", time.Since(start))
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if !ok {
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// Don't bring the message to the lower case since it's a part of UI
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// text for the moment.
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aghhttp.Error(r, w, http.StatusInternalServerError, "Couldn't get statistics data")
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return
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}
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_ = aghhttp.WriteJSONResponse(w, r, resp)
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}
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// configResp is the response to the GET /control/stats_info.
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type configResp struct {
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IntervalDays uint32 `json:"interval"`
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}
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// handleStatsInfo handles requests to the GET /control/stats_info endpoint.
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func (s *StatsCtx) handleStatsInfo(w http.ResponseWriter, r *http.Request) {
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resp := configResp{IntervalDays: atomic.LoadUint32(&s.limitHours) / 24}
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_ = aghhttp.WriteJSONResponse(w, r, resp)
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}
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// handleStatsConfig handles requests to the POST /control/stats_config
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// endpoint.
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func (s *StatsCtx) handleStatsConfig(w http.ResponseWriter, r *http.Request) {
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reqData := configResp{}
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err := json.NewDecoder(r.Body).Decode(&reqData)
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if err != nil {
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aghhttp.Error(r, w, http.StatusBadRequest, "json decode: %s", err)
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return
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}
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if !checkInterval(reqData.IntervalDays) {
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aghhttp.Error(r, w, http.StatusBadRequest, "Unsupported interval")
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return
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}
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s.setLimit(int(reqData.IntervalDays))
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s.configModified()
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}
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// handleStatsReset handles requests to the POST /control/stats_reset endpoint.
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func (s *StatsCtx) handleStatsReset(w http.ResponseWriter, r *http.Request) {
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err := s.clear()
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if err != nil {
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aghhttp.Error(r, w, http.StatusInternalServerError, "stats: %s", err)
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}
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}
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// initWeb registers the handlers for web endpoints of statistics module.
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func (s *StatsCtx) initWeb() {
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if s.httpRegister == nil {
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return
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}
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s.httpRegister(http.MethodGet, "/control/stats", s.handleStats)
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s.httpRegister(http.MethodPost, "/control/stats_reset", s.handleStatsReset)
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s.httpRegister(http.MethodPost, "/control/stats_config", s.handleStatsConfig)
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s.httpRegister(http.MethodGet, "/control/stats_info", s.handleStatsInfo)
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}
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