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7c35d208b1
Updates #1273. Squashed commit of the following: commit 55b78153b1b775c855e759011141bbbe6d4b962c Author: Artem Baskal <a.baskal@adguard.com> Date: Fri Apr 2 16:55:39 2021 +0300 Update client_info in case of null commit 5c80c1438ed9d961af11617831b704d6ae15cc34 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Apr 2 16:24:14 2021 +0300 querylog: always set client_info commit b48efd64d757cc0bcf5b34de22fdd0b0464d98a6 Merge: 4ed7eab523c9f528
Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Apr 2 16:22:08 2021 +0300 Merge branch 'master' into 1273-querylog-client-name commit 4ed7eab52b6b5b0c0ddb5aa5a3225a62d1f9265b Merge: dbf990eb70d4c70e
Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Apr 2 12:57:17 2021 +0300 Merge branch 'master' into 1273-querylog-client-name commit dbf990eb881116754554270e7b691b5db8e9ee34 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Apr 2 12:56:13 2021 +0300 home: imp names commit c2cfdef494ca26fff62b9fa008f1b389d9d4d46b Author: Artem Baskal <a.baskal@adguard.com> Date: Thu Apr 1 19:26:04 2021 +0300 Rename to whois commit e3cc4a68ee576770b1922680155308e33bed31e8 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Apr 1 19:03:42 2021 +0300 home: imp whois more commit 3b8ef8691c298aff35946b35923ef2e5b1f9bbbe Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Apr 1 18:51:14 2021 +0300 home: imp whois resp commit fb97e0d74976723a512d6ff4c69e830fe59c8df8 Author: Artem Baskal <a.baskal@adguard.com> Date: Thu Apr 1 18:00:03 2021 +0300 Fix client_info ids prop types commit 298005189e372651ceff453e88aca19ee925a138 Author: Artem Baskal <a.baskal@adguard.com> Date: Thu Apr 1 17:58:14 2021 +0300 Adapt changes on client commit aa1769f64197d865478a66271da483babfc5dfd0 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Apr 1 17:18:36 2021 +0300 all: add more fields to querylog client commit 4b2a2dbd380ec410f3068d15ea16430912e03e33 Merge: cda92c3f2e4e2f62
Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Thu Apr 1 16:57:26 2021 +0300 Merge branch 'master' into 1273-querylog-client-name commit cda92c3f0331cbac252f3163d31457f716bc7f2c Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Mar 29 18:03:51 2021 +0300 querylog: fix windows tests commit 5a56f0a32608869ed93a38f18f63ea3a20f7bde2 Merge: 627e4958e710ce11
Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Mar 29 17:45:53 2021 +0300 Merge branch 'master' into 1273-querylog-client-name commit 627e495828e82d44cc77aa393536479f23cc68b7 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Mon Mar 29 17:44:49 2021 +0300 querylog: add tests, imp code, docs commit 6dec468a2f0c29357875ff99458e0e8f8e580e6d Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Mar 26 16:10:47 2021 +0300 querylog: search clients by name, enrich http resp
142 lines
2.9 KiB
Go
142 lines
2.9 KiB
Go
package querylog
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import (
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"bytes"
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"encoding/json"
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"errors"
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"os"
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"time"
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"github.com/AdguardTeam/golibs/log"
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)
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// flushLogBuffer flushes the current buffer to file and resets the current buffer
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func (l *queryLog) flushLogBuffer(fullFlush bool) error {
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if !l.conf.FileEnabled {
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return nil
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}
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l.fileFlushLock.Lock()
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defer l.fileFlushLock.Unlock()
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// flush remainder to file
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l.bufferLock.Lock()
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needFlush := len(l.buffer) >= int(l.conf.MemSize)
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if !needFlush && !fullFlush {
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l.bufferLock.Unlock()
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return nil
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}
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flushBuffer := l.buffer
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l.buffer = nil
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l.flushPending = false
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l.bufferLock.Unlock()
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err := l.flushToFile(flushBuffer)
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if err != nil {
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log.Error("Saving querylog to file failed: %s", err)
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return err
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}
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return nil
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}
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// flushToFile saves the specified log entries to the query log file
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func (l *queryLog) flushToFile(buffer []*logEntry) error {
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if len(buffer) == 0 {
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log.Debug("querylog: there's nothing to write to a file")
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return nil
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}
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start := time.Now()
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var b bytes.Buffer
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e := json.NewEncoder(&b)
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for _, entry := range buffer {
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err := e.Encode(entry)
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if err != nil {
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log.Error("Failed to marshal entry: %s", err)
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return err
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}
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}
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elapsed := time.Since(start)
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log.Debug("%d elements serialized via json in %v: %d kB, %v/entry, %v/entry", len(buffer), elapsed, b.Len()/1024, float64(b.Len())/float64(len(buffer)), elapsed/time.Duration(len(buffer)))
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var err error
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var zb bytes.Buffer
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filename := l.logFile
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zb = b
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l.fileWriteLock.Lock()
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defer l.fileWriteLock.Unlock()
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f, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0o644)
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if err != nil {
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log.Error("failed to create file \"%s\": %s", filename, err)
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return err
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}
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defer f.Close()
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n, err := f.Write(zb.Bytes())
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if err != nil {
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log.Error("Couldn't write to file: %s", err)
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return err
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}
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log.Debug("querylog: ok \"%s\": %v bytes written", filename, n)
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return nil
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}
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func (l *queryLog) rotate() error {
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from := l.logFile
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to := l.logFile + ".1"
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err := os.Rename(from, to)
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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return nil
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}
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log.Error("querylog: failed to rename file: %s", err)
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return err
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}
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log.Debug("querylog: renamed %s -> %s", from, to)
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return nil
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}
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func (l *queryLog) readFileFirstTimeValue() int64 {
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f, err := os.Open(l.logFile)
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if err != nil {
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return -1
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}
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defer f.Close()
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buf := make([]byte, 500)
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r, err := f.Read(buf)
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if err != nil {
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return -1
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}
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buf = buf[:r]
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val := readJSONValue(string(buf), "T")
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t, err := time.Parse(time.RFC3339Nano, val)
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if err != nil {
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return -1
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}
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log.Debug("querylog: the oldest log entry: %s", val)
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return t.Unix()
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}
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func (l *queryLog) periodicRotate() {
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intervalSeconds := uint64(l.conf.RotationIvl) * 24 * 60 * 60
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for {
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oldest := l.readFileFirstTimeValue()
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if uint64(oldest)+intervalSeconds <= uint64(time.Now().Unix()) {
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_ = l.rotate()
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}
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time.Sleep(24 * time.Hour)
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}
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}
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