JCS-pub/client/internal/services/user_space.go

269 lines
8.0 KiB
Go

package services
import (
"context"
"fmt"
"path"
"strings"
"gitlink.org.cn/cloudream/common/pkgs/ioswitch/exec"
"gitlink.org.cn/cloudream/common/pkgs/logger"
"gitlink.org.cn/cloudream/common/pkgs/trie"
cdssdk "gitlink.org.cn/cloudream/common/sdks/storage"
clitypes "gitlink.org.cn/cloudream/jcs-pub/client/types"
"gitlink.org.cn/cloudream/jcs-pub/client/internal/db"
"gitlink.org.cn/cloudream/jcs-pub/client/internal/downloader/strategy"
stgglb "gitlink.org.cn/cloudream/jcs-pub/common/globals"
"gitlink.org.cn/cloudream/jcs-pub/common/pkgs/distlock/reqbuilder"
"gitlink.org.cn/cloudream/jcs-pub/common/pkgs/ioswitch2"
"gitlink.org.cn/cloudream/jcs-pub/common/pkgs/ioswitch2/parser"
hubmq "gitlink.org.cn/cloudream/jcs-pub/common/pkgs/mq/hub"
"gitlink.org.cn/cloudream/jcs-pub/common/pkgs/storage/types"
)
type UserSpaceService struct {
*Service
}
func (svc *Service) UserSpaceSvc() *UserSpaceService {
return &UserSpaceService{Service: svc}
}
func (svc *UserSpaceService) Get(userspaceID clitypes.UserSpaceID) (clitypes.UserSpace, error) {
return svc.DB.UserSpace().GetByID(svc.DB.DefCtx(), userspaceID)
}
func (svc *UserSpaceService) GetByName(name string) (clitypes.UserSpace, error) {
return svc.DB.UserSpace().GetByName(svc.DB.DefCtx(), name)
}
func (svc *UserSpaceService) LoadPackage(packageID clitypes.PackageID, userspaceID clitypes.UserSpaceID, rootPath string) error {
coorCli, err := stgglb.CoordinatorMQPool.Acquire()
if err != nil {
return fmt.Errorf("new coordinator client: %w", err)
}
defer stgglb.CoordinatorMQPool.Release(coorCli)
destStg := svc.UserSpaceMeta.Get(userspaceID)
if destStg == nil {
return fmt.Errorf("userspace not found: %d", userspaceID)
}
if destStg.MasterHub == nil {
return fmt.Errorf("userspace %v has no master hub", userspaceID)
}
details, err := db.DoTx11(svc.DB, svc.DB.Object().GetPackageObjectDetails, packageID)
if err != nil {
return err
}
var pinned []clitypes.ObjectID
plans := exec.NewPlanBuilder()
for _, obj := range details {
strg, err := svc.StrategySelector.Select(strategy.Request{
Detail: obj,
DestHub: destStg.MasterHub.HubID,
})
if err != nil {
return fmt.Errorf("select download strategy: %w", err)
}
ft := ioswitch2.NewFromTo()
switch strg := strg.(type) {
case *strategy.DirectStrategy:
ft.AddFrom(ioswitch2.NewFromShardstore(strg.Detail.Object.FileHash, *strg.UserSpace.MasterHub, strg.UserSpace, ioswitch2.RawStream()))
case *strategy.ECReconstructStrategy:
for i, b := range strg.Blocks {
ft.AddFrom(ioswitch2.NewFromShardstore(b.FileHash, *strg.UserSpaces[i].MasterHub, strg.UserSpaces[i], ioswitch2.ECStream(b.Index)))
ft.ECParam = &strg.Redundancy
}
default:
return fmt.Errorf("unsupported download strategy: %T", strg)
}
ft.AddTo(ioswitch2.NewToPublicStore(*destStg.MasterHub, *destStg, path.Join(rootPath, obj.Object.Path)))
// 顺便保存到同存储服务的分片存储中
if destStg.UserSpace.ShardStore != nil {
ft.AddTo(ioswitch2.NewToShardStore(*destStg.MasterHub, *destStg, ioswitch2.RawStream(), ""))
pinned = append(pinned, obj.Object.ObjectID)
}
err = parser.Parse(ft, plans)
if err != nil {
return fmt.Errorf("parse plan: %w", err)
}
}
mutex, err := reqbuilder.NewBuilder().
Shard().Buzy(userspaceID).
MutexLock(svc.PubLock)
if err != nil {
return fmt.Errorf("acquire locks failed, err: %w", err)
}
defer mutex.Unlock()
// 记录访问统计
for _, obj := range details {
svc.AccessStat.AddAccessCounter(obj.Object.ObjectID, packageID, userspaceID, 1)
}
drv := plans.Execute(exec.NewExecContext())
_, err = drv.Wait(context.Background())
if err != nil {
return err
}
return nil
}
func (svc *UserSpaceService) SpaceToSpace(srcSpaceID clitypes.UserSpaceID, srcPath string, dstSpaceID clitypes.UserSpaceID, dstPath string) (clitypes.SpaceToSpaceResult, error) {
srcSpace := svc.UserSpaceMeta.Get(srcSpaceID)
if srcSpace == nil {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("source userspace not found: %d", srcSpaceID)
}
if srcSpace.MasterHub == nil {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("source userspace %v has no master hub", srcSpaceID)
}
srcSpaceCli, err := stgglb.HubMQPool.Acquire(srcSpace.MasterHub.HubID)
if err != nil {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("new source userspace client: %w", err)
}
defer stgglb.HubMQPool.Release(srcSpaceCli)
dstSpace := svc.UserSpaceMeta.Get(dstSpaceID)
if dstSpace == nil {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("destination userspace not found: %d", dstSpaceID)
}
if dstSpace.MasterHub == nil {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("destination userspace %v has no master hub", dstSpaceID)
}
dstSpaceCli, err := stgglb.HubMQPool.Acquire(dstSpace.MasterHub.HubID)
if err != nil {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("new destination userspace client: %w", err)
}
defer stgglb.HubMQPool.Release(dstSpaceCli)
srcPath = strings.Trim(srcPath, cdssdk.ObjectPathSeparator)
dstPath = strings.Trim(dstPath, cdssdk.ObjectPathSeparator)
if srcPath == "" {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("source path is empty")
}
if dstPath == "" {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("destination path is empty")
}
listAllResp, err := srcSpaceCli.PublicStoreListAll(&hubmq.PublicStoreListAll{
UserSpace: *srcSpace,
Path: srcPath,
})
if err != nil {
return clitypes.SpaceToSpaceResult{}, fmt.Errorf("list all from source userspace: %w", err)
}
srcPathComps := clitypes.SplitObjectPath(srcPath)
srcDirCompLen := len(srcPathComps) - 1
entryTree := trie.NewTrie[*types.PublicStoreEntry]()
for _, e := range listAllResp.Entries {
pa, ok := strings.CutSuffix(e.Path, clitypes.ObjectPathSeparator)
comps := clitypes.SplitObjectPath(pa)
e.Path = pa
e2 := e
entryTree.CreateWords(comps[srcDirCompLen:]).Value = &e2
e2.IsDir = e2.IsDir || ok
}
entryTree.Iterate(func(path []string, node *trie.Node[*types.PublicStoreEntry], isWordNode bool) trie.VisitCtrl {
if node.Value == nil {
return trie.VisitContinue
}
if node.Value.IsDir && len(node.WordNexts) > 0 {
node.Value = nil
return trie.VisitContinue
}
if !node.Value.IsDir && len(node.WordNexts) == 0 {
node.WordNexts = nil
}
return trie.VisitContinue
})
var filePathes []string
var dirPathes []string
entryTree.Iterate(func(path []string, node *trie.Node[*types.PublicStoreEntry], isWordNode bool) trie.VisitCtrl {
if node.Value == nil {
return trie.VisitContinue
}
if node.Value.IsDir {
dirPathes = append(dirPathes, node.Value.Path)
} else {
filePathes = append(filePathes, node.Value.Path)
}
return trie.VisitContinue
})
var success []string
var failed []string
for _, f := range filePathes {
newPath := strings.Replace(f, srcPath, dstPath, 1)
ft := ioswitch2.NewFromTo()
ft.AddFrom(ioswitch2.NewFromPublicStore(*srcSpace.MasterHub, *srcSpace, f))
ft.AddTo(ioswitch2.NewToPublicStore(*dstSpace.MasterHub, *dstSpace, newPath))
plans := exec.NewPlanBuilder()
err = parser.Parse(ft, plans)
if err != nil {
failed = append(failed, f)
logger.Warnf("s2s: parse plan of file %v: %v", f, err)
continue
}
_, err = plans.Execute(exec.NewExecContext()).Wait(context.Background())
if err != nil {
failed = append(failed, f)
logger.Warnf("s2s: execute plan of file %v: %v", f, err)
continue
}
success = append(success, f)
}
newDirPathes := make([]string, 0, len(dirPathes))
for i := range dirPathes {
newDirPathes = append(newDirPathes, strings.Replace(dirPathes[i], srcPath, dstPath, 1))
}
mkdirResp, err := dstSpaceCli.PublicStoreMkdirs(&hubmq.PublicStoreMkdirs{
UserSpace: *dstSpace,
Pathes: newDirPathes,
})
if err != nil {
failed = append(failed, dirPathes...)
logger.Warnf("s2s: mkdirs to destination userspace: %v", err)
} else {
for i := range dirPathes {
if mkdirResp.Successes[i] {
success = append(success, dirPathes[i])
} else {
failed = append(failed, dirPathes[i])
}
}
}
return clitypes.SpaceToSpaceResult{
Success: success,
Failed: failed,
}, nil
}