chroe: polish code according to golangci-lint hint

internal/aof/aof.go

@@ -150,10 +150,7 @@ func (ld *Loader) LoadSingleAppendOnlyFile(ctx context.Context, timestamp int64)
 				argString = argString[:v64]
 				argv = append(argv, string(argString))
 			}
-
-			for _, value := range argv {
-				e.Argv = append(e.Argv, value)
-			}
+			e.Argv = append(e.Argv, argv...)
 			ld.ch <- e
 		}
 	}

internal/rdb/rdb.go

@@ -110,8 +110,9 @@ func (ld *Loader) parseRDBEntry(ctx context.Context, rd *bufio.Reader) {
 	defer updateProcessSize()
 
 	// read one entry
-	tick := time.Tick(time.Second * 1)
-	for true {
+	ticker := time.NewTicker(time.Second * 1)
+	defer ticker.Stop()
+	for {
 		typeByte := structure.ReadByte(rd)
 		switch typeByte {
 		case kFlagIdle:
@@ -197,9 +198,9 @@ func (ld *Loader) parseRDBEntry(ctx context.Context, rd *bufio.Reader) {
 			ld.freq = 0
 		}
 		select {
-		case <-tick:
+		case <-ticker.C:
 			updateProcessSize()
-		case <- ctx.Done():
+		case <-ctx.Done():
 			return
 		default:
 		}

internal/rdb/structure/module2_struct.go

@@ -61,11 +61,9 @@ func ReadModuleString(rd io.Reader) string {
 	return ReadString(rd)
 }
 
-func ReadModuleEof(rd io.Reader) error {
+func ReadModuleEof(rd io.Reader) {
 	eof := ReadLength(rd)
 	if eof != rdbModuleOpcodeEOF {
 		log.Panicf("The RDB file is not teminated by the proper module value EOF marker")
 	}
-	return nil
-
 }

internal/rdb/types/mbbloom.go

@@ -104,7 +104,6 @@ func (o *BloomObject) LoadFromBuffer(rd io.Reader, key string, typeByte byte) {
 	}
 	o.sb = sb
 	structure.ReadModuleEof(rd)
-	return
 }
 
 func readUnsigned(rd io.Reader) uint64 {

internal/reader/parsing_aof.go

@@ -563,7 +563,7 @@ func (aofInfo *INFO) LoadAppendOnlyFile(ctx context.Context, am *AOFManifest, AO
 	status := AOFOk
 	ret := AOFOk
 	var start int64
-	var totalSize int64 = 0
+	var totalSize int64
 	var BaseSize int64 = 0
 	var AOFName string
 	var totalNum, AOFNum int
@@ -693,7 +693,6 @@ func (aofInfo *INFO) LoadAppendOnlyFile(ctx context.Context, am *AOFManifest, AO
 }
 
 func (aofInfo *INFO) ParsingSingleAppendOnlyFile(ctx context.Context, FileName string, AOFTimeStamp int64) int {
-	ret := AOFOk
 	AOFFilepath := path.Join(aofInfo.AOFDirName, FileName)
 	println(AOFFilepath)
 	fp, err := os.Open(AOFFilepath)
@@ -719,8 +718,7 @@ func (aofInfo *INFO) ParsingSingleAppendOnlyFile(ctx context.Context, FileName s
 	if n, err := fp.Read(sig); err != nil || n != 5 || !bytes.Equal(sig, []byte("REDIS")) {
 		if _, err := fp.Seek(0, 0); err != nil {
 			log.Infof("Unrecoverable error reading the append only File %v: %v", FileName, err)
-			ret = AOFFailed
-			return ret
+			return AOFFailed
 		}
 	} else { //Skipped RDB checksum and has not been processed yet.
 		log.Infof("Reading RDB Base File on AOF loading...")
@@ -731,7 +729,5 @@ func (aofInfo *INFO) ParsingSingleAppendOnlyFile(ctx context.Context, FileName s
 	}
 	// load single aof file
 	aofSingleReader := aof.NewLoader(MakePath(aofInfo.AOFDirName, FileName), aofInfo.ch)
-	ret = aofSingleReader.LoadSingleAppendOnlyFile(ctx, AOFTimeStamp)
-	return ret
-
+	return aofSingleReader.LoadSingleAppendOnlyFile(ctx, AOFTimeStamp)
 }

internal/reader/sync_standalone_reader.go

@@ -311,7 +311,9 @@ func (r *syncStandaloneReader) sendAOF(offset int64) {
 
 // sendReplconfAck send replconf ack to master to keep heartbeat between redis-shake and source redis.
 func (r *syncStandaloneReader) sendReplconfAck() {
-	for range time.Tick(time.Millisecond * 100) {
+	ticker := time.NewTicker(time.Millisecond * 100)
+	defer ticker.Stop()
+	for range ticker.C {
 		select {
 		case <-r.ctx.Done():
 			return

internal/status/status.go

@@ -73,20 +73,17 @@ func Init(r Statusable, w Statusable) {
 		ticker := time.NewTicker(1 * time.Second)
 		defer ticker.Stop()
 		lastConsistent := false
-		for {
-			select {
-			case <-ticker.C:
-				ch <- func() {
-					// update reader/writer stat
-					stat.Reader = theReader.Status()
-					stat.Writer = theWriter.Status()
-					stat.Consistent = lastConsistent && theReader.StatusConsistent() && theWriter.StatusConsistent()
-					lastConsistent = stat.Consistent
-					// update OPS
-					stat.TotalEntriesCount.updateOPS()
-					for _, cmdEntryCount := range stat.PerCmdEntriesCount {
-						cmdEntryCount.updateOPS()
-					}
+		for range ticker.C {
+			ch <- func() {
+				// update reader/writer stat
+				stat.Reader = theReader.Status()
+				stat.Writer = theWriter.Status()
+				stat.Consistent = lastConsistent && theReader.StatusConsistent() && theWriter.StatusConsistent()
+				lastConsistent = stat.Consistent
+				// update OPS
+				stat.TotalEntriesCount.updateOPS()
+				for _, cmdEntryCount := range stat.PerCmdEntriesCount {
+					cmdEntryCount.updateOPS()
 				}
 			}
 		}
@@ -100,12 +97,9 @@ func Init(r Statusable, w Statusable) {
 		}
 		ticker := time.NewTicker(time.Duration(config.Opt.Advanced.LogInterval) * time.Second)
 		defer ticker.Stop()
-		for {
-			select {
-			case <-ticker.C:
-				ch <- func() {
-					log.Infof("%s, %s", stat.TotalEntriesCount.String(), theReader.StatusString())
-				}
+		for range ticker.C {
+			ch <- func() {
+				log.Infof("%s, %s", stat.TotalEntriesCount.String(), theReader.StatusString())
 			}
 		}
 	}()