// Download downloads all repo files
func (repo *RemoteRepo) Download(d utils.Downloader, db database.Storage, packageRepo *Repository) error {
list := NewPackageList()
// Download and parse all Release files
for _, component := range repo.Components {
for _, architecture := range repo.Architectures {
packagesReader, packagesFile, err := utils.DownloadTryCompression(d, repo.BinaryURL(component, architecture).String())
if err != nil {
return err
}
defer packagesFile.Close()
paras, err := debc.Parse(packagesReader)
if err != nil {
return err
}
for _, para := range paras {
p := NewPackageFromControlFile(para)
list.Add(p)
}
}
}
// Save package meta information to DB
list.ForEach(func(p *Package) {
db.Put(p.Key(), p.Encode())
})
// Download all package files
ch := make(chan error, list.Len())
count := 0
list.ForEach(func(p *Package) {
poolPath, err := packageRepo.PoolPath(p.Filename)
if err == nil {
if !p.VerifyFile(poolPath) {
d.Download(repo.PackageURL(p.Filename).String(), poolPath, ch)
count++
}
}
})
// Wait for all downloads to finish
// TODO: report errors
for count > 0 {
_ = <-ch
count--
}
repo.LastDownloadDate = time.Now()
repo.packageRefs = NewPackageRefListFromPackageList(list)
return nil
}
// NewSnapshotCollection loads Snapshots from DB and makes up collection
func NewSnapshotCollection(db database.Storage) *SnapshotCollection {
result := &SnapshotCollection{
db: db,
}
blobs := db.FetchByPrefix([]byte("S"))
result.list = make([]*Snapshot, 0, len(blobs))
for _, blob := range blobs {
s := &Snapshot{}
if err := s.Decode(blob); err != nil {
log.Printf("Error decoding snapshot: %s\n", err)
} else {
result.list = append(result.list, s)
}
}
return result
}
// NewRemoteRepoCollection loads RemoteRepos from DB and makes up collection
func NewRemoteRepoCollection(db database.Storage) *RemoteRepoCollection {
result := &RemoteRepoCollection{
db: db,
}
blobs := db.FetchByPrefix([]byte("R"))
result.list = make([]*RemoteRepo, 0, len(blobs))
for _, blob := range blobs {
r := &RemoteRepo{}
if err := r.Decode(blob); err != nil {
log.Printf("Error decoding mirror: %s\n", err)
} else {
result.list = append(result.list, r)
}
}
return result
}
// NewLocalRepoCollection loads LocalRepos from DB and makes up collection
func NewLocalRepoCollection(db database.Storage) *LocalRepoCollection {
result := &LocalRepoCollection{
RWMutex: &sync.RWMutex{},
db: db,
}
blobs := db.FetchByPrefix([]byte("L"))
result.list = make([]*LocalRepo, 0, len(blobs))
for _, blob := range blobs {
r := &LocalRepo{}
if err := r.Decode(blob); err != nil {
log.Printf("Error decoding repo: %s\n", err)
} else {
result.list = append(result.list, r)
}
}
return result
}