229 lines
7.4 KiB
Go
229 lines
7.4 KiB
Go
package storage
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import (
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binary "encoding/binary"
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"fmt"
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"time"
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"github.com/boltdb/bolt"
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)
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//TODO, this entire file need to be rewritten to encode and decode from the struct
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//TorrentLocal is local storage of the torrents for readd on server restart
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type TorrentLocal struct {
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Hash string
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DateAdded string
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StoragePath string
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TorrentName string
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TorrentStatus string
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TorrentType string //magnet or .torrent file
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TorrentFileName string
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Label string //for labeling torrent files
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UploadedBytes int64
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DownloadedBytes int64 //TODO not sure if needed since we should have the file which contains the bytes
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UploadRatio string
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}
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//ReadInTorrents is called to read in ALL local stored torrents in the boltdb database (called on server restart)
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func ReadInTorrents(torrentStorage *bolt.DB) (torrentLocalArray []*TorrentLocal) { //test
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torrentLocalArray = []*TorrentLocal{}
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torrentStorage.View(func(tx *bolt.Tx) error {
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tx.ForEach(func(name []byte, b *bolt.Bucket) error {
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torrentLocal := new(TorrentLocal) //create a struct to store to an array //TODO clean this the fuck up just read the struct into something that converts them all the byte arrays
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var Dateadded []byte
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var StoragePath []byte
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var Hash []byte
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var TorrentName []byte
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var TorrentStatus []byte
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var TorrentType []byte
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var TorrentFileName []byte
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Dateadded = b.Get([]byte("Date"))
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if Dateadded == nil {
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fmt.Println("Date added error!")
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Dateadded = []byte(time.Now().Format("Jan _2 2006"))
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}
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StoragePath = b.Get([]byte("StoragePath"))
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if StoragePath == nil {
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fmt.Println("StoragePath error!")
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StoragePath = []byte("downloads")
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}
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Hash = b.Get([]byte("InfoHash"))
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if Hash == nil {
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fmt.Println("Hash error!")
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}
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TorrentName = b.Get([]byte("TorrentName"))
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if TorrentName == nil {
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fmt.Println("Torrent Name not found")
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TorrentName = []byte("Not Found!")
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}
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TorrentStatus = b.Get([]byte("TorrentStatus"))
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if TorrentStatus == nil {
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//fmt.Println("Torrent Status not found in local storage")
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TorrentStatus = []byte("")
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}
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TorrentType = b.Get([]byte("TorrentType"))
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if TorrentType == nil {
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fmt.Println("Torrent Type not found in local storage")
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TorrentStatus = []byte("")
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}
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TorrentFileName = b.Get([]byte("TorrentFileName"))
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if TorrentFileName == nil {
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fmt.Println("Torrent File Name not found in local storage")
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TorrentFileName = []byte("")
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}
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torrentLocal.DateAdded = string(Dateadded)
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torrentLocal.StoragePath = string(StoragePath)
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torrentLocal.Hash = string(Hash) //Converting the byte slice back into the full hash
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torrentLocal.TorrentName = string(TorrentName)
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torrentLocal.TorrentStatus = string(TorrentStatus)
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torrentLocal.TorrentType = string(TorrentType)
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torrentLocal.TorrentFileName = string(TorrentFileName)
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//fmt.Println("Torrentlocal list: ", torrentLocal)
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torrentLocalArray = append(torrentLocalArray, torrentLocal) //dumping it into the array
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return nil
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})
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return nil
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})
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return torrentLocalArray //all done, return the entire Array to add to the torrent client
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}
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//AddTorrentLocalStorage is called when adding a new torrent via any method, requires the boltdb pointer and the torrentlocal struct
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func AddTorrentLocalStorage(torrentStorage *bolt.DB, local *TorrentLocal) {
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println("Adding Local storage information")
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torrentStorage.Update(func(tx *bolt.Tx) error {
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b, err := tx.CreateBucketIfNotExists([]byte(local.Hash)) //translating hash into bytes for storage
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if err != nil {
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return fmt.Errorf("create bucket %s", err)
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}
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err = b.Put([]byte("Date"), []byte(local.DateAdded)) //TODO error checking marshall into JSON
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if err != nil {
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return err
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}
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err = b.Put([]byte("StoragePath"), []byte(local.StoragePath))
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if err != nil {
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return err
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}
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err = b.Put([]byte("InfoHash"), []byte(local.Hash))
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if err != nil {
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return err
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}
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err = b.Put([]byte("TorrentName"), []byte(local.TorrentName))
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if err != nil {
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return err
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}
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err = b.Put([]byte("TorrentType"), []byte(local.TorrentType))
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if err != nil {
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return err
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}
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err = b.Put([]byte("TorrentFileName"), []byte(local.TorrentFileName))
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if err != nil {
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return err
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}
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err = b.Put([]byte("UploadRatio"), []byte(local.UploadRatio))
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if err != nil {
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return err
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}
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return nil
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})
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}
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//DelTorrentLocalStorage is called to delete a torrent when we fail (for whatever reason to load the information for it). Deleted by HASH matching.
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func DelTorrentLocalStorage(torrentStorage *bolt.DB, local *TorrentLocal) {
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println("Deleting torrent", local.TorrentFileName)
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torrentStorage.Update(func(tx *bolt.Tx) error {
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err := tx.DeleteBucket([]byte(local.Hash))
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if err != nil {
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return err
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}
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return nil
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})
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}
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//UpdateStorageTick updates the values in boltdb that should update on every tick (like uploadratio or uploadedbytes, not downloaded since we should have the actual file)
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func UpdateStorageTick(torrentStorage *bolt.DB, torrentLocal TorrentLocal) {
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UploadedBytes := make([]byte, 8)
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binary.LittleEndian.PutUint64(UploadedBytes, uint64(torrentLocal.UploadedBytes)) //converting int64 into byte slice for storage
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selectedHash := []byte(torrentLocal.Hash)
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torrentStorage.Update(func(tx *bolt.Tx) error {
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b := tx.Bucket(selectedHash)
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err := b.Put([]byte("UploadRatio"), []byte(torrentLocal.UploadRatio))
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if err != nil {
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return err
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}
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err = b.Put([]byte("UploadedBytes"), []byte(UploadedBytes))
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if err != nil {
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return err
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}
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return nil
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})
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}
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//FetchTorrentFromStorage grabs the localtorrent info from the bolt database for usage found by torrenthash
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func FetchTorrentFromStorage(torrentStorage *bolt.DB, selectedHash []byte) TorrentLocal {
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singleTorrentInfo := TorrentLocal{}
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torrentStorage.View(func(tx *bolt.Tx) error {
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b := tx.Bucket(selectedHash)
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var Dateadded []byte
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var StoragePath []byte
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var Hash []byte
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var TorrentName []byte
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var TorrentStatus []byte
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var TorrentType []byte
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var TorrentFileName []byte
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Dateadded = b.Get([]byte("Date"))
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if Dateadded == nil {
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fmt.Println("Date added error!")
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Dateadded = []byte(time.Now().Format("Jan _2 2006"))
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}
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StoragePath = b.Get([]byte("StoragePath"))
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if StoragePath == nil {
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fmt.Println("StoragePath error!")
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StoragePath = []byte("downloads")
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}
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Hash = b.Get([]byte("InfoHash"))
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if Hash == nil {
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fmt.Println("Hash error!")
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}
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TorrentName = b.Get([]byte("TorrentName"))
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if TorrentName == nil {
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fmt.Println("Torrent Name not found")
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TorrentName = []byte("Not Found!")
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}
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TorrentStatus = b.Get([]byte("TorrentStatus"))
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if TorrentStatus == nil {
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//fmt.Println("Torrent Status not found in local storage")
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TorrentStatus = []byte("")
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}
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TorrentType = b.Get([]byte("TorrentType"))
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if TorrentType == nil {
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fmt.Println("Torrent Type not found in local storage")
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TorrentStatus = []byte("")
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}
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TorrentFileName = b.Get([]byte("TorrentFileName"))
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if TorrentFileName == nil {
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fmt.Println("Torrent File Name not found in local storage")
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TorrentFileName = []byte("")
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}
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singleTorrentInfo.DateAdded = string(Dateadded)
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singleTorrentInfo.StoragePath = string(StoragePath)
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singleTorrentInfo.Hash = string(Hash) //Converting the byte slice back into the full hash
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singleTorrentInfo.TorrentName = string(TorrentName)
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singleTorrentInfo.TorrentStatus = string(TorrentStatus)
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singleTorrentInfo.TorrentType = string(TorrentType)
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singleTorrentInfo.TorrentFileName = string(TorrentFileName)
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return nil
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})
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return singleTorrentInfo
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}
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