File size: 4,236 Bytes
7107f0b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 |
package tool
import (
"fmt"
"time"
"github.com/alist-org/alist/v3/internal/conf"
"github.com/alist-org/alist/v3/internal/errs"
"github.com/alist-org/alist/v3/internal/op"
"github.com/alist-org/alist/v3/internal/setting"
"github.com/alist-org/alist/v3/pkg/tache"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
)
type DownloadTask struct {
tache.Base
Name string `json:"name"`
Url string `json:"url"`
DstDirPath string `json:"dst_dir_path"`
TempDir string `json:"temp_dir"`
DeletePolicy DeletePolicy `json:"delete_policy"`
Status string `json:"status"`
Signal chan int `json:"-"`
GID string `json:"-"`
tool Tool
callStatusRetried int
}
func (t *DownloadTask) OnFailed() {
result := fmt.Sprintf("%s下载失败:%s", t.Url, t.GetErr())
log.Debug(result)
if setting.GetBool(conf.NotifyEnabled) && setting.GetBool(conf.NotifyOnDownloadFailed) {
go op.Notify("文件下载结果", result)
}
}
func (t *DownloadTask) OnSucceeded() {
result := fmt.Sprintf("%s下载成功", t.Url)
log.Debug(result)
if setting.GetBool(conf.NotifyEnabled) && setting.GetBool(conf.NotifyOnDownloadSucceeded) {
go op.Notify("文件下载结果", result)
}
}
func (t *DownloadTask) Run() error {
t.Name = fmt.Sprintf("download %s to (%s)", t.Url, t.DstDirPath)
if err := t.tool.Run(t); !errs.IsNotSupportError(err) {
if err == nil {
return t.Complete()
}
return err
}
t.Signal = make(chan int)
defer func() {
t.Signal = nil
}()
gid, err := t.tool.AddURL(&AddUrlArgs{
Url: t.Url,
UID: t.ID,
TempDir: t.TempDir,
Signal: t.Signal,
})
if err != nil {
return err
}
t.GID = gid
var (
ok bool
)
outer:
for {
select {
case <-t.CtxDone():
err := t.tool.Remove(t)
return err
case <-t.Signal:
ok, err = t.Update()
if ok {
break outer
}
case <-time.After(time.Second * 3):
ok, err = t.Update()
if ok {
break outer
}
}
}
if err != nil {
return err
}
t.Status = "offline download completed, maybe transferring"
// hack for qBittorrent
if t.tool.Name() == "qBittorrent" {
seedTime := setting.GetInt(conf.QbittorrentSeedtime, 0)
if seedTime >= 0 {
t.Status = "offline download completed, waiting for seeding"
<-time.After(time.Minute * time.Duration(seedTime))
err := t.tool.Remove(t)
if err != nil {
log.Errorln(err.Error())
}
}
}
return nil
}
// Update download status, return true if download completed
func (t *DownloadTask) Update() (bool, error) {
info, err := t.tool.Status(t)
if err != nil {
t.callStatusRetried++
log.Errorf("failed to get status of %s, retried %d times", t.ID, t.callStatusRetried)
return false, nil
}
if t.callStatusRetried > 5 {
return true, errors.Errorf("failed to get status of %s, retried %d times", t.ID, t.callStatusRetried)
}
t.callStatusRetried = 0
t.SetProgress(info.Progress)
t.Status = fmt.Sprintf("[%s]: %s", t.tool.Name(), info.Status)
if info.NewGID != "" {
log.Debugf("followen by: %+v", info.NewGID)
t.GID = info.NewGID
return false, nil
}
// if download completed
if info.Completed {
err := t.Complete()
return true, errors.WithMessage(err, "failed to transfer file")
}
// if download failed
if info.Err != nil {
return true, errors.Errorf("failed to download %s, error: %s", t.ID, info.Err.Error())
}
return false, nil
}
func (t *DownloadTask) Complete() error {
var (
files []File
err error
)
if getFileser, ok := t.tool.(GetFileser); ok {
files = getFileser.GetFiles(t)
} else {
files, err = GetFiles(t.TempDir)
if err != nil {
return errors.Wrapf(err, "failed to get files")
}
}
// upload files
for i, _ := range files {
file := files[i]
TransferTaskManager.Add(&TransferTask{
file: file,
DstDirPath: t.DstDirPath,
TempDir: t.TempDir,
DeletePolicy: t.DeletePolicy,
FileDir: file.Path,
})
}
return nil
}
func (t *DownloadTask) GetName() string {
return t.Name
//return fmt.Sprintf("download %s to (%s)", t.Url, t.DstDirPath)
}
func (t *DownloadTask) GetStatus() string {
return t.Status
}
var (
DownloadTaskManager *tache.Manager[*DownloadTask]
)
|