rename Multiplex into Reuse in the inner code

Signed-off-by: Li Yazhou <me.ssword@gmail.com>

Author: flaneur2020

client/config/peerhost.go

@@ -591,8 +591,8 @@ type StorageOption struct {
 	// DiskGCThresholdPercent indicates the threshold to gc the oldest tasks according the disk usage
 	// Eg, DiskGCThresholdPercent=80, when the disk usage is above 80%, start to gc the oldest tasks
 	DiskGCThresholdPercent float64 `mapstructure:"diskGCThresholdPercent" yaml:"diskGCThresholdPercent"`
-	// Multiplex indicates reusing underlying storage for same task id
-	Multiplex     bool          `mapstructure:"multiplex" yaml:"multiplex"`
+	// Reuse indicates reusing underlying storage for same task id
+	Reuse     bool          `mapstructure:"multiplex" yaml:"multiplex"`
 	StoreStrategy StoreStrategy `mapstructure:"strategy" yaml:"strategy"`
 	// WriteBufferSize indicates the buffer size when read from source, same usage with io.Copy
 	// for some resource plugins, bigger buffer size with better performance, on the other hand, bigger buffer size cost huge memory

client/daemon/daemon.go

@@ -269,7 +269,7 @@ func New(opt *config.DaemonOption, d dfpath.Dfpath) (Daemon, error) {
 		PerPeerRateLimit:      opt.Download.PerPeerRateLimit.Limit,
 		TotalRateLimit:        opt.Download.TotalRateLimit.Limit,
 		TrafficShaperType:     opt.Download.TrafficShaperType,
-		Multiplex:             opt.Storage.Multiplex,
+		Reuse:                 opt.Storage.Reuse,
 		Prefetch:              opt.Download.Prefetch,
 		GetPiecesMaxRetry:     opt.Download.GetPiecesMaxRetry,
 		SplitRunningTasks:     opt.Download.SplitRunningTasks,

client/daemon/peer/peertask_manager.go

@@ -133,8 +133,8 @@ type TaskManagerOption struct {
 	PerPeerRateLimit  rate.Limit
 	TotalRateLimit    rate.Limit
 	TrafficShaperType string
-	// Multiplex indicates to reuse the data of completed peer tasks
-	Multiplex bool
+	// Reuse indicates to reuse the data of completed peer tasks
+	Reuse bool
 	// Prefetch indicates to prefetch the whole files of ranged requests
 	Prefetch          bool
 	GetPiecesMaxRetry int
@@ -329,7 +329,7 @@ func (ptm *peerTaskManager) StartFileTask(ctx context.Context, req *FileTaskRequ
 	if req.KeepOriginalOffset && !ptm.Prefetch {
 		return nil, fmt.Errorf("please enable prefetch when use original offset feature")
 	}
-	if ptm.Multiplex {
+	if ptm.Reuse {
 		progress, ok := ptm.tryReuseFilePeerTask(ctx, req)
 		if ok {
 			metrics.PeerTaskCacheHitCount.Add(1)
@@ -365,7 +365,7 @@ func (ptm *peerTaskManager) StartStreamTask(ctx context.Context, req *StreamTask
 
 	taskID := req.TaskID()
 
-	if ptm.Multiplex {
+	if ptm.Reuse {
 		// try breakpoint resume for task has range header
 		if req.Range != nil && !ptm.SplitRunningTasks {
 			// find running parent task