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148 lines
3.4 KiB
148 lines
3.4 KiB
package slavetask
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import (
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"context"
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model "github.com/cloudreve/Cloudreve/v3/models"
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"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
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"github.com/cloudreve/Cloudreve/v3/pkg/filesystem"
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"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/fsctx"
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"github.com/cloudreve/Cloudreve/v3/pkg/mq"
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"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
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"github.com/cloudreve/Cloudreve/v3/pkg/task"
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"github.com/cloudreve/Cloudreve/v3/pkg/util"
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"os"
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)
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// TransferTask 文件中转任务
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type TransferTask struct {
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Err *task.JobError
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Req *serializer.SlaveTransferReq
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MasterID string
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}
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// Props 获取任务属性
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func (job *TransferTask) Props() string {
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return ""
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}
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// Type 获取任务类型
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func (job *TransferTask) Type() int {
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return 0
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}
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// Creator 获取创建者ID
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func (job *TransferTask) Creator() uint {
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return 0
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}
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// Model 获取任务的数据库模型
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func (job *TransferTask) Model() *model.Task {
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return nil
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}
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// SetStatus 设定状态
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func (job *TransferTask) SetStatus(status int) {
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}
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// SetError 设定任务失败信息
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func (job *TransferTask) SetError(err *task.JobError) {
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job.Err = err
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}
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// SetErrorMsg 设定任务失败信息
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func (job *TransferTask) SetErrorMsg(msg string, err error) {
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jobErr := &task.JobError{Msg: msg}
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if err != nil {
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jobErr.Error = err.Error()
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}
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job.SetError(jobErr)
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notifyMsg := mq.Message{
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TriggeredBy: job.MasterID,
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Event: serializer.SlaveTransferFailed,
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Content: serializer.SlaveTransferResult{
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Error: err.Error(),
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},
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}
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if err := cluster.DefaultController.SendNotification(job.MasterID, job.Req.Hash(job.MasterID), notifyMsg); err != nil {
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util.Log().Warning("无法发送转存失败通知到从机, %s", err)
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}
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}
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// GetError 返回任务失败信息
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func (job *TransferTask) GetError() *task.JobError {
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return job.Err
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}
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// Do 开始执行任务
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func (job *TransferTask) Do() {
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defer job.Recycle()
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fs, err := filesystem.NewAnonymousFileSystem()
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if err != nil {
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job.SetErrorMsg("无法初始化匿名文件系统", err)
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return
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}
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fs.Policy = job.Req.Policy
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if err := fs.DispatchHandler(); err != nil {
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job.SetErrorMsg("无法分发存储策略", err)
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return
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}
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master, err := cluster.DefaultController.GetMasterInfo(job.MasterID)
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if err != nil {
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job.SetErrorMsg("找不到主机节点", err)
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return
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}
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fs.SwitchToShadowHandler(master.Instance, master.URL.String(), master.ID)
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file, err := os.Open(util.RelativePath(job.Req.Src))
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if err != nil {
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job.SetErrorMsg("无法读取源文件", err)
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return
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}
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defer file.Close()
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// 获取源文件大小
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fi, err := file.Stat()
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if err != nil {
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job.SetErrorMsg("无法获取源文件大小", err)
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return
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}
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size := fi.Size()
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err = fs.Handler.Put(context.Background(), &fsctx.FileStream{
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File: file,
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SavePath: job.Req.Dst,
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Size: uint64(size),
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})
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if err != nil {
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job.SetErrorMsg("文件上传失败", err)
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return
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}
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msg := mq.Message{
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TriggeredBy: job.MasterID,
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Event: serializer.SlaveTransferSuccess,
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Content: serializer.SlaveTransferResult{},
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}
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if err := cluster.DefaultController.SendNotification(job.MasterID, job.Req.Hash(job.MasterID), msg); err != nil {
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util.Log().Warning("无法发送转存成功通知到从机, %s", err)
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}
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}
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// Recycle 回收临时文件
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func (job *TransferTask) Recycle() {
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err := os.Remove(job.Req.Src)
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if err != nil {
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util.Log().Warning("无法删除中转临时文件[%s], %s", job.Req.Src, err)
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}
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}
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