92 lines
2.0 KiB
Go
92 lines
2.0 KiB
Go
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package dnsforward
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import (
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"net"
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"strings"
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"time"
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"github.com/AdguardTeam/AdGuardHome/querylog"
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"github.com/miekg/dns"
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"github.com/AdguardTeam/AdGuardHome/dnsfilter"
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"github.com/AdguardTeam/AdGuardHome/stats"
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"github.com/AdguardTeam/dnsproxy/proxy"
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)
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// Write Stats data and logs
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func processQueryLogsAndStats(ctx *dnsContext) int {
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elapsed := time.Since(ctx.startTime)
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s := ctx.srv
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d := ctx.proxyCtx
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shouldLog := true
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msg := d.Req
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// don't log ANY request if refuseAny is enabled
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if len(msg.Question) >= 1 && msg.Question[0].Qtype == dns.TypeANY && s.conf.RefuseAny {
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shouldLog = false
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}
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s.RLock()
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// Synchronize access to s.queryLog and s.stats so they won't be suddenly uninitialized while in use.
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// This can happen after proxy server has been stopped, but its workers haven't yet exited.
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if shouldLog && s.queryLog != nil {
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p := querylog.AddParams{
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Question: msg,
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Answer: d.Res,
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OrigAnswer: ctx.origResp,
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Result: ctx.result,
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Elapsed: elapsed,
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ClientIP: getIP(d.Addr),
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}
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if d.Upstream != nil {
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p.Upstream = d.Upstream.Address()
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}
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s.queryLog.Add(p)
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}
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s.updateStats(d, elapsed, *ctx.result)
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s.RUnlock()
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return resultDone
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}
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func (s *Server) updateStats(d *proxy.DNSContext, elapsed time.Duration, res dnsfilter.Result) {
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if s.stats == nil {
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return
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}
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e := stats.Entry{}
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e.Domain = strings.ToLower(d.Req.Question[0].Name)
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e.Domain = e.Domain[:len(e.Domain)-1] // remove last "."
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switch addr := d.Addr.(type) {
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case *net.UDPAddr:
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e.Client = addr.IP
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case *net.TCPAddr:
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e.Client = addr.IP
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}
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e.Time = uint32(elapsed / 1000)
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e.Result = stats.RNotFiltered
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switch res.Reason {
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case dnsfilter.FilteredSafeBrowsing:
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e.Result = stats.RSafeBrowsing
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case dnsfilter.FilteredParental:
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e.Result = stats.RParental
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case dnsfilter.FilteredSafeSearch:
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e.Result = stats.RSafeSearch
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case dnsfilter.FilteredBlackList:
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fallthrough
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case dnsfilter.FilteredInvalid:
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fallthrough
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case dnsfilter.FilteredBlockedService:
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e.Result = stats.RFiltered
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}
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s.stats.Update(e)
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}
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