diff --git a/cmd/decode.go b/cmd/decode.go
index 4a54668..7cb677f 100644
--- a/cmd/decode.go
+++ b/cmd/decode.go
@@ -4,7 +4,7 @@ import (
"encoding/hex"
"fmt"
- "github.com/lbryio/lbry.go/v2/schema/claim"
+ "github.com/lbryio/lbry.go/v2/schema/stake"
"github.com/davecgh/go-spew/spew"
"github.com/golang/protobuf/jsonpb"
@@ -23,7 +23,7 @@ func init() {
}
func decodeCmd(cmd *cobra.Command, args []string) {
- c, err := claim.DecodeClaimHex(args[0], "")
+ c, err := stake.DecodeClaimHex(args[0], "")
if err != nil {
log.Fatal(err)
}
diff --git a/cmd/getstream.go b/cmd/getstream.go
index c02ad0b..1c25df5 100644
--- a/cmd/getstream.go
+++ b/cmd/getstream.go
@@ -41,7 +41,7 @@ func getStreamCmd(cmd *cobra.Command, args []string) {
var sd stream.SDBlob
- sdb, err := s.Get(sdHash)
+ sdb, _, err := s.Get(sdHash)
if err != nil {
log.Fatal(err)
}
@@ -62,7 +62,7 @@ func getStreamCmd(cmd *cobra.Command, args []string) {
}
for i := 0; i < len(sd.BlobInfos)-1; i++ {
- b, err := s.Get(hex.EncodeToString(sd.BlobInfos[i].BlobHash))
+ b, _, err := s.Get(hex.EncodeToString(sd.BlobInfos[i].BlobHash))
if err != nil {
log.Fatal(err)
}
diff --git a/cmd/integrity.go b/cmd/integrity.go
new file mode 100644
index 0000000..8be9e2b
--- /dev/null
+++ b/cmd/integrity.go
@@ -0,0 +1,93 @@
+package cmd
+
+import (
+ "crypto/sha512"
+ "encoding/hex"
+ "io/ioutil"
+ "os"
+ "path"
+ "runtime"
+ "sync/atomic"
+ "time"
+
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+ "github.com/lbryio/reflector.go/meta"
+ "github.com/lbryio/reflector.go/store/speedwalk"
+
+ log "github.com/sirupsen/logrus"
+ "github.com/spf13/cobra"
+)
+
+var threads int
+
+func init() {
+ var cmd = &cobra.Command{
+ Use: "check-integrity",
+ Short: "check blobs integrity for a given path",
+ Run: integrityCheckCmd,
+ }
+ cmd.Flags().StringVar(&diskStorePath, "store-path", "", "path of the store where all blobs are cached")
+ cmd.Flags().IntVar(&threads, "threads", runtime.NumCPU()-1, "number of concurrent threads to process blobs")
+ rootCmd.AddCommand(cmd)
+}
+
+func integrityCheckCmd(cmd *cobra.Command, args []string) {
+ log.Printf("reflector %s", meta.VersionString())
+ if diskStorePath == "" {
+ log.Fatal("store-path must be defined")
+ }
+
+ blobs, err := speedwalk.AllFiles(diskStorePath, true)
+ if err != nil {
+ log.Errorf("error while reading blobs from disk %s", errors.FullTrace(err))
+ }
+ tasks := make(chan string, len(blobs))
+ done := make(chan bool)
+ processed := new(int32)
+ go produce(tasks, blobs)
+ cpus := runtime.NumCPU()
+ for i := 0; i < cpus-1; i++ {
+ go consume(i, tasks, done, len(blobs), processed)
+ }
+ <-done
+}
+
+func produce(tasks chan<- string, blobs []string) {
+ for _, b := range blobs {
+ tasks <- b
+ }
+ close(tasks)
+}
+
+func consume(worker int, tasks <-chan string, done chan<- bool, totalTasks int, processed *int32) {
+ start := time.Now()
+
+ for b := range tasks {
+ checked := atomic.AddInt32(processed, 1)
+ if worker == 0 {
+ remaining := int32(totalTasks) - checked
+ timePerBlob := time.Since(start).Microseconds() / int64(checked)
+ remainingTime := time.Duration(int64(remaining)*timePerBlob) * time.Microsecond
+ log.Infof("[T%d] %d/%d blobs checked. ETA: %s", worker, checked, totalTasks, remainingTime.String())
+ }
+ blobPath := path.Join(diskStorePath, b[:2], b)
+ blob, err := ioutil.ReadFile(blobPath)
+ if err != nil {
+ if os.IsNotExist(err) {
+ continue
+ }
+ log.Errorf("[Worker %d] Error looking up blob %s: %s", worker, b, err.Error())
+ continue
+ }
+ hashBytes := sha512.Sum384(blob)
+ readHash := hex.EncodeToString(hashBytes[:])
+ if readHash != b {
+ log.Infof("[%s] found a broken blob while reading from disk. Actual hash: %s", b, readHash)
+ err := os.Remove(blobPath)
+ if err != nil {
+ log.Errorf("Error while deleting broken blob %s: %s", b, err.Error())
+ }
+ }
+ }
+ done <- true
+}
diff --git a/cmd/peer.go b/cmd/peer.go
index 3cb2a19..c631bfe 100644
--- a/cmd/peer.go
+++ b/cmd/peer.go
@@ -33,11 +33,13 @@ func peerCmd(cmd *cobra.Command, args []string) {
peerServer := peer.NewServer(s3)
if !peerNoDB {
- db := new(db.SQL)
+ db := &db.SQL{
+ LogQueries: log.GetLevel() == log.DebugLevel,
+ }
err = db.Connect(globalConfig.DBConn)
checkErr(err)
- combo := store.NewDBBackedStore(s3, db)
+ combo := store.NewDBBackedStore(s3, db, false)
peerServer = peer.NewServer(combo)
}
diff --git a/cmd/populatedb.go b/cmd/populatedb.go
new file mode 100644
index 0000000..7199e42
--- /dev/null
+++ b/cmd/populatedb.go
@@ -0,0 +1,47 @@
+package cmd
+
+import (
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+ "github.com/lbryio/reflector.go/db"
+ "github.com/lbryio/reflector.go/meta"
+ "github.com/lbryio/reflector.go/store/speedwalk"
+
+ log "github.com/sirupsen/logrus"
+ "github.com/spf13/cobra"
+)
+
+var (
+ diskStorePath string
+)
+
+func init() {
+ var cmd = &cobra.Command{
+ Use: "populate-db",
+ Short: "populate local database with blobs from a disk storage",
+ Run: populateDbCmd,
+ }
+ cmd.Flags().StringVar(&diskStorePath, "store-path", "",
+ "path of the store where all blobs are cached")
+ rootCmd.AddCommand(cmd)
+}
+
+func populateDbCmd(cmd *cobra.Command, args []string) {
+ log.Printf("reflector %s", meta.VersionString())
+ if diskStorePath == "" {
+ log.Fatal("store-path must be defined")
+ }
+ localDb := &db.SQL{
+ SoftDelete: true,
+ TrackAccess: db.TrackAccessBlobs,
+ LogQueries: log.GetLevel() == log.DebugLevel,
+ }
+ err := localDb.Connect("reflector:reflector@tcp(localhost:3306)/reflector")
+ if err != nil {
+ log.Fatal(err)
+ }
+ blobs, err := speedwalk.AllFiles(diskStorePath, true)
+ err = localDb.AddBlobs(blobs)
+ if err != nil {
+ log.Errorf("error while storing to db: %s", errors.FullTrace(err))
+ }
+}
diff --git a/cmd/reflector.go b/cmd/reflector.go
index 2f687d0..087c918 100644
--- a/cmd/reflector.go
+++ b/cmd/reflector.go
@@ -8,33 +8,42 @@ import (
"syscall"
"time"
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+ "github.com/lbryio/lbry.go/v2/extras/stop"
"github.com/lbryio/reflector.go/db"
"github.com/lbryio/reflector.go/internal/metrics"
"github.com/lbryio/reflector.go/meta"
"github.com/lbryio/reflector.go/peer"
"github.com/lbryio/reflector.go/peer/http3"
"github.com/lbryio/reflector.go/reflector"
+ "github.com/lbryio/reflector.go/server/http"
"github.com/lbryio/reflector.go/store"
+ "github.com/lbryio/lbry.go/v2/stream"
+
+ "github.com/c2h5oh/datasize"
log "github.com/sirupsen/logrus"
- "github.com/spf13/cast"
"github.com/spf13/cobra"
)
var (
- tcpPeerPort int
- http3PeerPort int
- receiverPort int
- metricsPort int
- disableUploads bool
- disableBlocklist bool
- proxyAddress string
- proxyPort string
- proxyProtocol string
- useDB bool
- cloudFrontEndpoint string
- reflectorCmdDiskCache string
- reflectorCmdMemCache int
+ tcpPeerPort int
+ http3PeerPort int
+ httpPort int
+ receiverPort int
+ metricsPort int
+ disableUploads bool
+ disableBlocklist bool
+ proxyAddress string
+ proxyPort string
+ proxyProtocol string
+ useDB bool
+ cloudFrontEndpoint string
+ WasabiEndpoint string
+ reflectorCmdDiskCache string
+ bufferReflectorCmdDiskCache string
+ reflectorCmdMemCache int
+ requestQueueSize int
)
func init() {
@@ -47,28 +56,34 @@ func init() {
cmd.Flags().StringVar(&proxyPort, "proxy-port", "5567", "port of another reflector server where blobs are fetched from")
cmd.Flags().StringVar(&proxyProtocol, "proxy-protocol", "http3", "protocol used to fetch blobs from another reflector server (tcp/http3)")
cmd.Flags().StringVar(&cloudFrontEndpoint, "cloudfront-endpoint", "", "CloudFront edge endpoint for standard HTTP retrieval")
+ cmd.Flags().StringVar(&WasabiEndpoint, "wasabi-endpoint", "", "Wasabi edge endpoint for standard HTTP retrieval")
cmd.Flags().IntVar(&tcpPeerPort, "tcp-peer-port", 5567, "The port reflector will distribute content from")
cmd.Flags().IntVar(&http3PeerPort, "http3-peer-port", 5568, "The port reflector will distribute content from over HTTP3 protocol")
+ cmd.Flags().IntVar(&httpPort, "http-port", 5569, "The port reflector will distribute content from over HTTP protocol")
cmd.Flags().IntVar(&receiverPort, "receiver-port", 5566, "The port reflector will receive content from")
cmd.Flags().IntVar(&metricsPort, "metrics-port", 2112, "The port reflector will use for metrics")
+ cmd.Flags().IntVar(&requestQueueSize, "request-queue-size", 200, "How many concurrent requests should be submitted to upstream")
cmd.Flags().BoolVar(&disableUploads, "disable-uploads", false, "Disable uploads to this reflector server")
cmd.Flags().BoolVar(&disableBlocklist, "disable-blocklist", false, "Disable blocklist watching/updating")
cmd.Flags().BoolVar(&useDB, "use-db", true, "whether to connect to the reflector db or not")
cmd.Flags().StringVar(&reflectorCmdDiskCache, "disk-cache", "",
- "enable disk cache, setting max size and path where to store blobs. format is 'MAX_BLOBS:CACHE_PATH'")
+ "enable disk cache, setting max size and path where to store blobs. format is 'sizeGB:CACHE_PATH'")
+ cmd.Flags().StringVar(&bufferReflectorCmdDiskCache, "buffer-disk-cache", "",
+ "enable buffer disk cache, setting max size and path where to store blobs. format is 'sizeGB:CACHE_PATH'")
cmd.Flags().IntVar(&reflectorCmdMemCache, "mem-cache", 0, "enable in-memory cache with a max size of this many blobs")
rootCmd.AddCommand(cmd)
}
func reflectorCmd(cmd *cobra.Command, args []string) {
log.Printf("reflector %s", meta.VersionString())
+ cleanerStopper := stop.New()
// the blocklist logic requires the db backed store to be the outer-most store
underlyingStore := setupStore()
- outerStore := wrapWithCache(underlyingStore)
+ outerStore := wrapWithCache(underlyingStore, cleanerStopper)
if !disableUploads {
- reflectorServer := reflector.NewServer(underlyingStore)
+ reflectorServer := reflector.NewServer(underlyingStore, outerStore)
reflectorServer.Timeout = 3 * time.Minute
reflectorServer.EnableBlocklist = !disableBlocklist
@@ -86,21 +101,31 @@ func reflectorCmd(cmd *cobra.Command, args []string) {
}
defer peerServer.Shutdown()
- http3PeerServer := http3.NewServer(outerStore)
+ http3PeerServer := http3.NewServer(outerStore, requestQueueSize)
err = http3PeerServer.Start(":" + strconv.Itoa(http3PeerPort))
if err != nil {
log.Fatal(err)
}
defer http3PeerServer.Shutdown()
+ httpServer := http.NewServer(outerStore)
+ err = httpServer.Start(":" + strconv.Itoa(httpPort))
+ if err != nil {
+ log.Fatal(err)
+ }
+ defer httpServer.Shutdown()
+
metricsServer := metrics.NewServer(":"+strconv.Itoa(metricsPort), "/metrics")
metricsServer.Start()
defer metricsServer.Shutdown()
+ defer outerStore.Shutdown()
+ defer underlyingStore.Shutdown()
interruptChan := make(chan os.Signal, 1)
signal.Notify(interruptChan, os.Interrupt, syscall.SIGTERM)
<-interruptChan
// deferred shutdowns happen now
+ cleanerStopper.StopAndWait()
}
func setupStore() store.BlobStore {
@@ -118,36 +143,80 @@ func setupStore() store.BlobStore {
Address: proxyAddress + ":" + proxyPort,
Timeout: 30 * time.Second,
})
+ case "http":
+ s = store.NewHttpStore(proxyAddress + ":" + proxyPort)
default:
log.Fatalf("protocol is not recognized: %s", proxyProtocol)
}
} else {
- s3Store := store.NewS3Store(globalConfig.AwsID, globalConfig.AwsSecret, globalConfig.BucketRegion, globalConfig.BucketName)
- if cloudFrontEndpoint != "" {
- s = store.NewCloudFrontRWStore(store.NewCloudFrontROStore(cloudFrontEndpoint), s3Store)
- } else {
+ var s3Store *store.S3Store
+ if conf != "none" {
+ s3Store = store.NewS3Store(globalConfig.AwsID, globalConfig.AwsSecret, globalConfig.BucketRegion, globalConfig.BucketName)
+ }
+ if cloudFrontEndpoint != "" && WasabiEndpoint != "" {
+ ittt := store.NewITTTStore(store.NewCloudFrontROStore(WasabiEndpoint), store.NewCloudFrontROStore(cloudFrontEndpoint))
+ if s3Store != nil {
+ s = store.NewCloudFrontRWStore(ittt, s3Store)
+ } else {
+ s = ittt
+ }
+ } else if s3Store != nil {
s = s3Store
+ } else {
+ log.Fatalf("this configuration does not include a valid upstream source")
}
}
if useDB {
- db := new(db.SQL)
- db.TrackAccessTime = true
- err := db.Connect(globalConfig.DBConn)
+ dbInst := &db.SQL{
+ TrackAccess: db.TrackAccessStreams,
+ LogQueries: log.GetLevel() == log.DebugLevel,
+ }
+ err := dbInst.Connect(globalConfig.DBConn)
if err != nil {
log.Fatal(err)
}
- s = store.NewDBBackedStore(s, db)
+ s = store.NewDBBackedStore(s, dbInst, false)
}
return s
}
-func wrapWithCache(s store.BlobStore) store.BlobStore {
+func wrapWithCache(s store.BlobStore, cleanerStopper *stop.Group) store.BlobStore {
wrapped := s
- diskCacheMaxSize, diskCachePath := diskCacheParams()
+ diskCacheMaxSize, diskCachePath := diskCacheParams(reflectorCmdDiskCache)
+ //we are tracking blobs in memory with a 1 byte long boolean, which means that for each 2MB (a blob) we need 1Byte
+ // so if the underlying cache holds 10MB, 10MB/2MB=5Bytes which is also the exact count of objects to restore on startup
+ realCacheSize := float64(diskCacheMaxSize) / float64(stream.MaxBlobSize)
+ if diskCacheMaxSize > 0 {
+ err := os.MkdirAll(diskCachePath, os.ModePerm)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ localDb := &db.SQL{
+ SoftDelete: true,
+ TrackAccess: db.TrackAccessBlobs,
+ LogQueries: log.GetLevel() == log.DebugLevel,
+ }
+ err = localDb.Connect("reflector:reflector@tcp(localhost:3306)/reflector")
+ if err != nil {
+ log.Fatal(err)
+ }
+ dbBackedDiskStore := store.NewDBBackedStore(store.NewDiskStore(diskCachePath, 2), localDb, true)
+ wrapped = store.NewCachingStore(
+ "reflector",
+ wrapped,
+ dbBackedDiskStore,
+ )
+
+ go cleanOldestBlobs(int(realCacheSize), localDb, dbBackedDiskStore, cleanerStopper)
+ }
+
+ diskCacheMaxSize, diskCachePath = diskCacheParams(bufferReflectorCmdDiskCache)
+ realCacheSize = float64(diskCacheMaxSize) / float64(stream.MaxBlobSize)
if diskCacheMaxSize > 0 {
err := os.MkdirAll(diskCachePath, os.ModePerm)
if err != nil {
@@ -156,7 +225,7 @@ func wrapWithCache(s store.BlobStore) store.BlobStore {
wrapped = store.NewCachingStore(
"reflector",
wrapped,
- store.NewLRUStore("peer_server", store.NewDiskStore(diskCachePath, 2), diskCacheMaxSize),
+ store.NewLFUDAStore("nvme", store.NewDiskStore(diskCachePath, 2), realCacheSize),
)
}
@@ -164,32 +233,105 @@ func wrapWithCache(s store.BlobStore) store.BlobStore {
wrapped = store.NewCachingStore(
"reflector",
wrapped,
- store.NewLRUStore("peer_server", store.NewMemStore(), reflectorCmdMemCache),
+ store.NewLRUStore("mem", store.NewMemStore(), reflectorCmdMemCache),
)
}
return wrapped
}
-func diskCacheParams() (int, string) {
- if reflectorCmdDiskCache == "" {
+func diskCacheParams(diskParams string) (int, string) {
+ if diskParams == "" {
return 0, ""
}
- parts := strings.Split(reflectorCmdDiskCache, ":")
+ parts := strings.Split(diskParams, ":")
if len(parts) != 2 {
log.Fatalf("--disk-cache must be a number, followed by ':', followed by a string")
}
- maxSize := cast.ToInt(parts[0])
- if maxSize <= 0 {
- log.Fatalf("--disk-cache max size must be more than 0")
- }
-
+ diskCacheSize := parts[0]
path := parts[1]
if len(path) == 0 || path[0] != '/' {
log.Fatalf("--disk-cache path must start with '/'")
}
- return maxSize, path
+ var maxSize datasize.ByteSize
+ err := maxSize.UnmarshalText([]byte(diskCacheSize))
+ if err != nil {
+ log.Fatal(err)
+ }
+ if maxSize <= 0 {
+ log.Fatal("--disk-cache size must be more than 0")
+ }
+ return int(maxSize), path
+}
+
+func cleanOldestBlobs(maxItems int, db *db.SQL, store store.BlobStore, stopper *stop.Group) {
+ // this is so that it runs on startup without having to wait for 10 minutes
+ err := doClean(maxItems, db, store, stopper)
+ if err != nil {
+ log.Error(errors.FullTrace(err))
+ }
+ const cleanupInterval = 10 * time.Minute
+ for {
+ select {
+ case <-stopper.Ch():
+ log.Infoln("stopping self cleanup")
+ return
+ case <-time.After(cleanupInterval):
+ err := doClean(maxItems, db, store, stopper)
+ if err != nil {
+ log.Error(errors.FullTrace(err))
+ }
+ }
+ }
+}
+
+func doClean(maxItems int, db *db.SQL, store store.BlobStore, stopper *stop.Group) error {
+ blobsCount, err := db.Count()
+ if err != nil {
+ return err
+ }
+
+ if blobsCount >= maxItems {
+ itemsToDelete := blobsCount / 10
+ blobs, err := db.LeastRecentlyAccessedHashes(itemsToDelete)
+ if err != nil {
+ return err
+ }
+ blobsChan := make(chan string, len(blobs))
+ wg := &stop.Group{}
+ go func() {
+ for _, hash := range blobs {
+ select {
+ case <-stopper.Ch():
+ return
+ default:
+ }
+ blobsChan <- hash
+ }
+ close(blobsChan)
+ }()
+ for i := 0; i < 3; i++ {
+ wg.Add(1)
+ go func() {
+ defer wg.Done()
+ for h := range blobsChan {
+ select {
+ case <-stopper.Ch():
+ return
+ default:
+ }
+ err = store.Delete(h)
+ if err != nil {
+ log.Errorf("error pruning %s: %s", h, errors.FullTrace(err))
+ continue
+ }
+ }
+ }()
+ }
+ wg.Wait()
+ }
+ return nil
}
diff --git a/cmd/root.go b/cmd/root.go
index ce28f8f..1e422a7 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -163,3 +163,9 @@ func mustGetFlagInt64(cmd *cobra.Command, name string) int64 {
checkErr(err)
return v
}
+
+func mustGetFlagBool(cmd *cobra.Command, name string) bool {
+ v, err := cmd.Flags().GetBool(name)
+ checkErr(err)
+ return v
+}
diff --git a/cmd/send.go b/cmd/send.go
new file mode 100644
index 0000000..7021866
--- /dev/null
+++ b/cmd/send.go
@@ -0,0 +1,160 @@
+package cmd
+
+import (
+ "encoding/hex"
+ "encoding/json"
+ "fmt"
+ "io"
+ "io/ioutil"
+ "os"
+ "os/signal"
+ "path"
+ "syscall"
+
+ "github.com/lbryio/reflector.go/reflector"
+
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+ "github.com/lbryio/lbry.go/v2/stream"
+
+ "github.com/spf13/cobra"
+)
+
+func init() {
+ var cmd = &cobra.Command{
+ Use: "send ADDRESS:PORT PATH",
+ Short: "Send a file to a reflector",
+ Args: cobra.ExactArgs(2),
+ Run: sendCmd,
+ }
+ cmd.PersistentFlags().String("sd-cache", "", "path to dir where sd blobs will be cached")
+ rootCmd.AddCommand(cmd)
+}
+
+// todo: if retrying a large file is slow, we can add the ability to seek ahead in the file so we're not
+// re-uploading blobs that already exist
+
+var hackyReflector reflector.Client
+
+func sendCmd(cmd *cobra.Command, args []string) {
+ reflectorAddress := args[0]
+ err := hackyReflector.Connect(reflectorAddress)
+ checkErr(err)
+ defer hackyReflector.Close()
+
+ filePath := args[1]
+ file, err := os.Open(filePath)
+ checkErr(err)
+ defer file.Close()
+
+ sdCachePath := ""
+ sdCacheDir := mustGetFlagString(cmd, "sd-cache")
+ if sdCacheDir != "" {
+ if _, err := os.Stat(sdCacheDir); os.IsNotExist(err) {
+ err = os.MkdirAll(sdCacheDir, 0777)
+ checkErr(err)
+ }
+ sdCachePath = path.Join(sdCacheDir, filePath+".sdblob")
+ }
+
+ var enc *stream.Encoder
+
+ if sdCachePath != "" {
+ if _, err := os.Stat(sdCachePath); !os.IsNotExist(err) {
+ sdBlob, err := ioutil.ReadFile(sdCachePath)
+ checkErr(err)
+ cachedSDBlob := &stream.SDBlob{}
+ err = cachedSDBlob.FromBlob(sdBlob)
+ checkErr(err)
+ enc = stream.NewEncoderFromSD(file, cachedSDBlob)
+ }
+ }
+ if enc == nil {
+ enc = stream.NewEncoder(file)
+ }
+
+ exitCode := 0
+
+ var killed bool
+ interruptChan := make(chan os.Signal, 1)
+ signal.Notify(interruptChan, os.Interrupt, syscall.SIGTERM)
+ go func() {
+ sig := <-interruptChan
+ fmt.Printf("caught %s, exiting...\n", sig.String())
+ killed = true
+ exitCode = 1
+ }()
+
+ for {
+ if killed {
+ break
+ }
+
+ b, err := enc.Next()
+ if errors.Is(err, io.EOF) {
+ break
+ }
+ if err != nil {
+ fmt.Printf("error reading next blob: %v\n", err)
+ exitCode = 1
+ break
+ }
+
+ err = hackyReflect(b, false)
+ if err != nil {
+ fmt.Printf("error reflecting blob %s: %v\n", b.HashHex()[:8], err)
+ exitCode = 1
+ break
+ }
+ }
+
+ sd := enc.SDBlob()
+ //sd.StreamName = filepath.Base(filePath)
+ //sd.SuggestedFileName = filepath.Base(filePath)
+ err = ioutil.WriteFile(sdCachePath, sd.ToBlob(), 0666)
+ if err != nil {
+ fmt.Printf("error saving sd blob: %v\n", err)
+ fmt.Println(sd.ToJson())
+ exitCode = 1
+ }
+
+ if killed {
+ os.Exit(exitCode)
+ }
+
+ if reflectorAddress != "" {
+ err = hackyReflect(sd.ToBlob(), true)
+ if err != nil {
+ fmt.Printf("error reflecting sd blob %s: %v\n", sd.HashHex()[:8], err)
+ exitCode = 1
+ }
+ }
+
+ ret := struct {
+ SDHash string `json:"sd_hash"`
+ SourceHash string `json:"source_hash"`
+ }{
+ SDHash: sd.HashHex(),
+ SourceHash: hex.EncodeToString(enc.SourceHash()),
+ }
+
+ j, err := json.MarshalIndent(ret, "", " ")
+ checkErr(err)
+ fmt.Println(string(j))
+ os.Exit(exitCode)
+}
+
+func hackyReflect(b stream.Blob, sd bool) error {
+ var err error
+ if sd {
+ err = hackyReflector.SendSDBlob(b)
+ } else {
+ err = hackyReflector.SendBlob(b)
+ }
+
+ if errors.Is(err, reflector.ErrBlobExists) {
+ //fmt.Printf("%s already reflected\n", b.HashHex()[:8])
+ return nil
+ }
+
+ return err
+}
diff --git a/cmd/sendblob.go b/cmd/sendblob.go
index 3cd9f05..f37f390 100644
--- a/cmd/sendblob.go
+++ b/cmd/sendblob.go
@@ -2,7 +2,6 @@ package cmd
import (
"crypto/rand"
- "io/ioutil"
"os"
"github.com/lbryio/reflector.go/reflector"
@@ -52,9 +51,8 @@ func sendBlobCmd(cmd *cobra.Command, args []string) {
file, err := os.Open(path)
checkErr(err)
- data, err := ioutil.ReadAll(file)
- checkErr(err)
- s, err := stream.New(data)
+ defer file.Close()
+ s, err := stream.New(file)
checkErr(err)
sdBlob := &stream.SDBlob{}
diff --git a/cmd/start.go b/cmd/start.go
index 4d4a56b..7b5facd 100644
--- a/cmd/start.go
+++ b/cmd/start.go
@@ -52,11 +52,13 @@ func init() {
}
func startCmd(cmd *cobra.Command, args []string) {
- db := new(db.SQL)
+ db := &db.SQL{
+ LogQueries: log.GetLevel() == log.DebugLevel,
+ }
err := db.Connect(globalConfig.DBConn)
checkErr(err)
s3 := store.NewS3Store(globalConfig.AwsID, globalConfig.AwsSecret, globalConfig.BucketRegion, globalConfig.BucketName)
- comboStore := store.NewDBBackedStore(s3, db)
+ comboStore := store.NewDBBackedStore(s3, db, false)
conf := prism.DefaultConf()
diff --git a/cmd/test.go b/cmd/test.go
index a330856..afa2ff2 100644
--- a/cmd/test.go
+++ b/cmd/test.go
@@ -31,7 +31,7 @@ func testCmd(cmd *cobra.Command, args []string) {
memStore := store.NewMemStore()
- reflectorServer := reflector.NewServer(memStore)
+ reflectorServer := reflector.NewServer(memStore, memStore)
reflectorServer.Timeout = 3 * time.Minute
err := reflectorServer.Start(":" + strconv.Itoa(reflector.DefaultPort))
diff --git a/cmd/upload.go b/cmd/upload.go
index 636e824..e2a49cd 100644
--- a/cmd/upload.go
+++ b/cmd/upload.go
@@ -8,6 +8,7 @@ import (
"github.com/lbryio/reflector.go/db"
"github.com/lbryio/reflector.go/reflector"
"github.com/lbryio/reflector.go/store"
+ log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
@@ -30,13 +31,15 @@ func init() {
}
func uploadCmd(cmd *cobra.Command, args []string) {
- db := new(db.SQL)
+ db := &db.SQL{
+ LogQueries: log.GetLevel() == log.DebugLevel,
+ }
err := db.Connect(globalConfig.DBConn)
checkErr(err)
st := store.NewDBBackedStore(
store.NewS3Store(globalConfig.AwsID, globalConfig.AwsSecret, globalConfig.BucketRegion, globalConfig.BucketName),
- db)
+ db, false)
uploader := reflector.NewUploader(db, st, uploadWorkers, uploadSkipExistsCheck, uploadDeleteBlobsAfterUpload)
diff --git a/db/db.go b/db/db.go
index c3bea24..11f4d53 100644
--- a/db/db.go
+++ b/db/db.go
@@ -3,16 +3,22 @@ package db
import (
"context"
"database/sql"
+ "fmt"
+ "runtime"
+ "strings"
"time"
"github.com/lbryio/lbry.go/v2/dht/bits"
"github.com/lbryio/lbry.go/v2/extras/errors"
qt "github.com/lbryio/lbry.go/v2/extras/query"
+ "github.com/lbryio/lbry.go/v2/extras/stop"
+ "github.com/lbryio/lbry.go/v2/stream"
"github.com/go-sql-driver/mysql"
_ "github.com/go-sql-driver/mysql" // blank import for db driver ensures its imported even if its not used
log "github.com/sirupsen/logrus"
"github.com/volatiletech/null"
+ "go.uber.org/atomic"
)
// SdBlob is a special blob that contains information on the rest of the blobs in the stream
@@ -30,19 +36,41 @@ type SdBlob struct {
StreamHash string `json:"stream_hash"`
}
+type trackAccess int
+
+const (
+ // Don't track accesses
+ TrackAccessNone trackAccess = iota
+ // Track accesses at the stream level
+ TrackAccessStreams
+ // Track accesses at the blob level
+ TrackAccessBlobs
+)
+
// SQL implements the DB interface
type SQL struct {
conn *sql.DB
- TrackAccessTime bool
+ // Track the approx last time a blob or stream was accessed
+ TrackAccess trackAccess
+
+ // Instead of deleting a blob, marked it as not stored in the db
+ SoftDelete bool
+
+ // Log executed queries. qt.InterpolateParams is cpu-heavy. This avoids that call if not needed.
+ LogQueries bool
}
-func logQuery(query string, args ...interface{}) {
- s, err := qt.InterpolateParams(query, args...)
+func (s SQL) logQuery(query string, args ...interface{}) {
+ if !s.LogQueries {
+ return
+ }
+
+ qStr, err := qt.InterpolateParams(query, args...)
if err != nil {
log.Errorln(err)
} else {
- log.Debugln(s)
+ log.Debugln(qStr)
}
}
@@ -69,43 +97,137 @@ func (s *SQL) AddBlob(hash string, length int, isStored bool) error {
return errors.Err("not connected")
}
- _, err := s.insertBlob(hash, length, isStored)
+ _, err := s.insertBlob(s.conn, hash, length, isStored)
return err
}
-func (s *SQL) insertBlob(hash string, length int, isStored bool) (int64, error) {
+// AddBlob adds a blob to the database.
+func (s *SQL) AddBlobs(hash []string) error {
+ if s.conn == nil {
+ return errors.Err("not connected")
+ }
+ // Split the slice into batches of 20 items.
+ batch := 10000
+ totalBlobs := int64(len(hash))
+ work := make(chan []string, 1000)
+ stopper := stop.New()
+ var totalInserted atomic.Int64
+ start := time.Now()
+ go func() {
+ for i := 0; i < len(hash); i += batch {
+ j := i + batch
+ if j > len(hash) {
+ j = len(hash)
+ }
+ work <- hash[i:j]
+ }
+ log.Infof("done loading %d hashes in the work queue", len(hash))
+ close(work)
+ }()
+ for i := 0; i < runtime.NumCPU(); i++ {
+ stopper.Add(1)
+ go func(worker int) {
+ log.Infof("starting worker %d", worker)
+ defer stopper.Done()
+ for hashes := range work {
+ inserted := totalInserted.Load()
+ remaining := totalBlobs - inserted
+ if inserted > 0 {
+ timePerBlob := time.Since(start).Microseconds() / inserted
+ remainingTime := time.Duration(remaining*timePerBlob) * time.Microsecond
+ log.Infof("[T%d] processing batch of %d items. ETA: %s", worker, len(hashes), remainingTime.String())
+ }
+ err := s.insertBlobs(hashes) // Process the batch.
+ if err != nil {
+ log.Errorf("error while inserting batch: %s", errors.FullTrace(err))
+ }
+ totalInserted.Add(int64(len(hashes)))
+ }
+ }(i)
+ }
+ stopper.Wait()
+ return nil
+}
+
+func (s *SQL) insertBlobs(hashes []string) error {
+ var (
+ q string
+ //args []interface{}
+ )
+ dayAgo := time.Now().AddDate(0, 0, -1).Format("2006-01-02 15:04:05")
+ q = "insert into blob_ (hash, is_stored, length, last_accessed_at) values "
+ for _, hash := range hashes {
+ // prepared statements slow everything down by a lot due to reflection
+ // for this specific instance we'll go ahead and hardcode the query to make it go faster
+ q += fmt.Sprintf("('%s',1,%d,'%s'),", hash, stream.MaxBlobSize, dayAgo)
+ //args = append(args, hash, true, stream.MaxBlobSize, dayAgo)
+ }
+ q = strings.TrimSuffix(q, ",")
+ _, err := s.exec(s.conn, q)
+ if err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (s *SQL) insertBlob(ex Executor, hash string, length int, isStored bool) (int64, error) {
if length <= 0 {
return 0, errors.Err("length must be positive")
}
- args := []interface{}{hash, isStored, length}
- blobID, err := s.exec(
- "INSERT INTO blob_ (hash, is_stored, length) VALUES ("+qt.Qs(len(args))+") ON DUPLICATE KEY UPDATE is_stored = (is_stored or VALUES(is_stored))",
- args...,
+ var (
+ q string
+ args []interface{}
)
+ if s.TrackAccess == TrackAccessBlobs {
+ args = []interface{}{hash, isStored, length, time.Now()}
+ q = "INSERT INTO blob_ (hash, is_stored, length, last_accessed_at) VALUES (" + qt.Qs(len(args)) + ") ON DUPLICATE KEY UPDATE is_stored = (is_stored or VALUES(is_stored)), last_accessed_at = VALUES(last_accessed_at)"
+ } else {
+ args = []interface{}{hash, isStored, length}
+ q = "INSERT INTO blob_ (hash, is_stored, length) VALUES (" + qt.Qs(len(args)) + ") ON DUPLICATE KEY UPDATE is_stored = (is_stored or VALUES(is_stored))"
+ }
+
+ blobID, err := s.exec(ex, q, args...)
if err != nil {
return 0, err
}
if blobID == 0 {
- err = s.conn.QueryRow("SELECT id FROM blob_ WHERE hash = ?", hash).Scan(&blobID)
+ err = ex.QueryRow("SELECT id FROM blob_ WHERE hash = ?", hash).Scan(&blobID)
if err != nil {
return 0, errors.Err(err)
}
if blobID == 0 {
return 0, errors.Err("blob ID is 0 even after INSERTing and SELECTing")
}
+
+ if s.TrackAccess == TrackAccessBlobs {
+ err := s.touchBlobs(ex, []uint64{uint64(blobID)})
+ if err != nil {
+ return 0, errors.Err(err)
+ }
+ }
}
return blobID, nil
}
func (s *SQL) insertStream(hash string, sdBlobID int64) (int64, error) {
- args := []interface{}{hash, sdBlobID, time.Now()}
- streamID, err := s.exec(
- "INSERT IGNORE INTO stream (hash, sd_blob_id, last_accessed_at) VALUES ("+qt.Qs(len(args))+")",
- args...,
+ var (
+ q string
+ args []interface{}
)
+
+ if s.TrackAccess == TrackAccessStreams {
+ args = []interface{}{hash, sdBlobID, time.Now()}
+ q = "INSERT IGNORE INTO stream (hash, sd_blob_id, last_accessed_at) VALUES (" + qt.Qs(len(args)) + ")"
+ } else {
+ args = []interface{}{hash, sdBlobID}
+ q = "INSERT IGNORE INTO stream (hash, sd_blob_id) VALUES (" + qt.Qs(len(args)) + ")"
+ }
+
+ streamID, err := s.exec(s.conn, q, args...)
if err != nil {
return 0, errors.Err(err)
}
@@ -119,8 +241,8 @@ func (s *SQL) insertStream(hash string, sdBlobID int64) (int64, error) {
return 0, errors.Err("stream ID is 0 even after INSERTing and SELECTing")
}
- if s.TrackAccessTime {
- err := s.touch([]uint64{uint64(streamID)})
+ if s.TrackAccess == TrackAccessStreams {
+ err := s.touchStreams([]uint64{uint64(streamID)})
if err != nil {
return 0, errors.Err(err)
}
@@ -130,8 +252,8 @@ func (s *SQL) insertStream(hash string, sdBlobID int64) (int64, error) {
}
// HasBlob checks if the database contains the blob information.
-func (s *SQL) HasBlob(hash string) (bool, error) {
- exists, err := s.HasBlobs([]string{hash})
+func (s *SQL) HasBlob(hash string, touch bool) (bool, error) {
+ exists, err := s.HasBlobs([]string{hash}, touch)
if err != nil {
return false, err
}
@@ -139,13 +261,39 @@ func (s *SQL) HasBlob(hash string) (bool, error) {
}
// HasBlobs checks if the database contains the set of blobs and returns a bool map.
-func (s *SQL) HasBlobs(hashes []string) (map[string]bool, error) {
- exists, streamsNeedingTouch, err := s.hasBlobs(hashes)
- s.touch(streamsNeedingTouch)
+func (s *SQL) HasBlobs(hashes []string, touch bool) (map[string]bool, error) {
+ exists, idsNeedingTouch, err := s.hasBlobs(hashes)
+
+ if touch {
+ if s.TrackAccess == TrackAccessBlobs {
+ _ = s.touchBlobs(s.conn, idsNeedingTouch)
+ } else if s.TrackAccess == TrackAccessStreams {
+ _ = s.touchStreams(idsNeedingTouch)
+ }
+ }
+
return exists, err
}
-func (s *SQL) touch(streamIDs []uint64) error {
+func (s *SQL) touchBlobs(ex Executor, blobIDs []uint64) error {
+ if len(blobIDs) == 0 {
+ return nil
+ }
+
+ query := "UPDATE blob_ SET last_accessed_at = ? WHERE id IN (" + qt.Qs(len(blobIDs)) + ")"
+ args := make([]interface{}, len(blobIDs)+1)
+ args[0] = time.Now()
+ for i := range blobIDs {
+ args[i+1] = blobIDs[i]
+ }
+
+ startTime := time.Now()
+ _, err := s.exec(ex, query, args...)
+ log.Debugf("touched %d blobs and took %s", len(blobIDs), time.Since(startTime))
+ return errors.Err(err)
+}
+
+func (s *SQL) touchStreams(streamIDs []uint64) error {
if len(streamIDs) == 0 {
return nil
}
@@ -158,8 +306,8 @@ func (s *SQL) touch(streamIDs []uint64) error {
}
startTime := time.Now()
- _, err := s.exec(query, args...)
- log.Debugf("stream access query touched %d streams and took %s", len(streamIDs), time.Since(startTime))
+ _, err := s.exec(s.conn, query, args...)
+ log.Debugf("touched %d streams and took %s", len(streamIDs), time.Since(startTime))
return errors.Err(err)
}
@@ -170,14 +318,15 @@ func (s *SQL) hasBlobs(hashes []string) (map[string]bool, []uint64, error) {
var (
hash string
- streamID uint64
+ blobID uint64
+ streamID null.Uint64
lastAccessedAt null.Time
)
var needsTouch []uint64
exists := make(map[string]bool)
- touchDeadline := time.Now().AddDate(0, 0, -1) // touch blob if last accessed before this time
+ touchDeadline := time.Now().Add(-6 * time.Hour) // touch blob if last accessed before this time
maxBatchSize := 10000
doneIndex := 0
@@ -189,20 +338,29 @@ func (s *SQL) hasBlobs(hashes []string) (map[string]bool, []uint64, error) {
log.Debugf("getting hashes[%d:%d] of %d", doneIndex, sliceEnd, len(hashes))
batch := hashes[doneIndex:sliceEnd]
- // TODO: this query doesn't work for SD blobs, which are not in the stream_blob table
-
- query := `SELECT b.hash, s.id, s.last_accessed_at
+ var query string
+ if s.TrackAccess == TrackAccessBlobs {
+ query = `SELECT b.hash, b.id, NULL, b.last_accessed_at
+FROM blob_ b
+WHERE b.is_stored = 1 and b.hash IN (` + qt.Qs(len(batch)) + `)`
+ } else if s.TrackAccess == TrackAccessStreams {
+ query = `SELECT b.hash, b.id, s.id, s.last_accessed_at
FROM blob_ b
LEFT JOIN stream_blob sb ON b.id = sb.blob_id
INNER JOIN stream s on (sb.stream_id = s.id or s.sd_blob_id = b.id)
-WHERE b.is_stored = ? and b.hash IN (` + qt.Qs(len(batch)) + `)`
- args := make([]interface{}, len(batch)+1)
- args[0] = true
- for i := range batch {
- args[i+1] = batch[i]
+WHERE b.is_stored = 1 and b.hash IN (` + qt.Qs(len(batch)) + `)`
+ } else {
+ query = `SELECT b.hash, b.id, NULL, NULL
+FROM blob_ b
+WHERE b.is_stored = 1 and b.hash IN (` + qt.Qs(len(batch)) + `)`
}
- logQuery(query, args...)
+ args := make([]interface{}, len(batch))
+ for i := range batch {
+ args[i] = batch[i]
+ }
+
+ s.logQuery(query, args...)
err := func() error {
startTime := time.Now()
@@ -214,13 +372,17 @@ WHERE b.is_stored = ? and b.hash IN (` + qt.Qs(len(batch)) + `)`
defer closeRows(rows)
for rows.Next() {
- err := rows.Scan(&hash, &streamID, &lastAccessedAt)
+ err := rows.Scan(&hash, &blobID, &streamID, &lastAccessedAt)
if err != nil {
return errors.Err(err)
}
exists[hash] = true
- if s.TrackAccessTime && (!lastAccessedAt.Valid || lastAccessedAt.Time.Before(touchDeadline)) {
- needsTouch = append(needsTouch, streamID)
+ if !lastAccessedAt.Valid || lastAccessedAt.Time.Before(touchDeadline) {
+ if s.TrackAccess == TrackAccessBlobs {
+ needsTouch = append(needsTouch, blobID)
+ } else if s.TrackAccess == TrackAccessStreams && !streamID.IsZero() {
+ needsTouch = append(needsTouch, streamID.Uint64)
+ }
}
}
@@ -240,22 +402,110 @@ WHERE b.is_stored = ? and b.hash IN (` + qt.Qs(len(batch)) + `)`
return exists, needsTouch, nil
}
-// Delete will remove the blob from the db
+// Delete will remove (or soft-delete) the blob from the db
+// NOTE: If SoftDelete is enabled, streams will never be deleted
func (s *SQL) Delete(hash string) error {
- _, err := s.exec("DELETE FROM stream WHERE sd_blob_id = (SELECT id FROM blob_ WHERE hash = ?)", hash)
+ if s.SoftDelete {
+ _, err := s.exec(s.conn, "UPDATE blob_ SET is_stored = 0 WHERE hash = ?", hash)
+ return errors.Err(err)
+ }
+
+ _, err := s.exec(s.conn, "DELETE FROM stream WHERE sd_blob_id = (SELECT id FROM blob_ WHERE hash = ?)", hash)
if err != nil {
return errors.Err(err)
}
- _, err = s.exec("DELETE FROM blob_ WHERE hash = ?", hash)
+ _, err = s.exec(s.conn, "DELETE FROM blob_ WHERE hash = ?", hash)
return errors.Err(err)
}
+// GetHashRange gets the smallest and biggest hashes in the db
+func (s *SQL) LeastRecentlyAccessedHashes(maxBlobs int) ([]string, error) {
+ if s.conn == nil {
+ return nil, errors.Err("not connected")
+ }
+
+ if s.TrackAccess != TrackAccessBlobs {
+ return nil, errors.Err("blob access tracking is disabled")
+ }
+
+ query := "SELECT hash from blob_ where is_stored = 1 order by last_accessed_at limit ?"
+ s.logQuery(query, maxBlobs)
+
+ rows, err := s.conn.Query(query, maxBlobs)
+ if err != nil {
+ return nil, errors.Err(err)
+ }
+ defer closeRows(rows)
+
+ blobs := make([]string, 0, maxBlobs)
+ for rows.Next() {
+ var hash string
+ err := rows.Scan(&hash)
+ if err != nil {
+ return nil, errors.Err(err)
+ }
+ blobs = append(blobs, hash)
+ }
+
+ return blobs, nil
+}
+
+// AllHashes writes all hashes from the db into the channel.
+// It does not close the channel when it finishes.
+//func (s *SQL) AllHashes(ch chan<- string) error {
+// if s.conn == nil {
+// return errors.Err("not connected")
+// }
+//
+// query := "SELECT hash from blob_"
+// if s.SoftDelete {
+// query += " where is_stored = 1"
+// }
+// s.logQuery(query)
+//
+// rows, err := s.conn.Query(query)
+// if err != nil {
+// return errors.Err(err)
+// }
+// defer closeRows(rows)
+//
+// for rows.Next() {
+// var hash string
+// err := rows.Scan(&hash)
+// if err != nil {
+// return errors.Err(err)
+// }
+// ch <- hash
+// // TODO: this needs testing
+// // TODO: need a way to cancel this early (e.g. in case of shutdown)
+// }
+//
+// close(ch)
+// return nil
+//}
+
+func (s *SQL) Count() (int, error) {
+ if s.conn == nil {
+ return 0, errors.Err("not connected")
+ }
+
+ query := "SELECT count(id) from blob_"
+ if s.SoftDelete {
+ query += " where is_stored = 1"
+ }
+ s.logQuery(query)
+
+ var count int
+ err := s.conn.QueryRow(query).Scan(&count)
+ return count, errors.Err(err)
+}
+
// Block will mark a blob as blocked
func (s *SQL) Block(hash string) error {
query := "INSERT IGNORE INTO blocked SET hash = ?"
args := []interface{}{hash}
- logQuery(query, args...)
+ s.logQuery(query, args...)
_, err := s.conn.Exec(query, args...)
return errors.Err(err)
}
@@ -263,7 +513,7 @@ func (s *SQL) Block(hash string) error {
// GetBlocked will return a list of blocked hashes
func (s *SQL) GetBlocked() (map[string]bool, error) {
query := "SELECT hash FROM blocked"
- logQuery(query)
+ s.logQuery(query)
rows, err := s.conn.Query(query)
if err != nil {
return nil, errors.Err(err)
@@ -306,7 +556,7 @@ func (s *SQL) MissingBlobsForKnownStream(sdHash string) ([]string, error) {
`
args := []interface{}{sdHash}
- logQuery(query, args...)
+ s.logQuery(query, args...)
rows, err := s.conn.Query(query, args...)
if err != nil {
@@ -340,7 +590,7 @@ func (s *SQL) AddSDBlob(sdHash string, sdBlobLength int, sdBlob SdBlob) error {
return errors.Err("not connected")
}
- sdBlobID, err := s.insertBlob(sdHash, sdBlobLength, true)
+ sdBlobID, err := s.insertBlob(s.conn, sdHash, sdBlobLength, true)
if err != nil {
return err
}
@@ -350,28 +600,30 @@ func (s *SQL) AddSDBlob(sdHash string, sdBlobLength int, sdBlob SdBlob) error {
return err
}
- // insert content blobs and connect them to stream
- for _, contentBlob := range sdBlob.Blobs {
- if contentBlob.BlobHash == "" {
- // null terminator blob
- continue
- }
+ return withTx(s.conn, func(tx Transactor) error {
+ // insert content blobs and connect them to stream
+ for _, contentBlob := range sdBlob.Blobs {
+ if contentBlob.BlobHash == "" {
+ // null terminator blob
+ continue
+ }
- blobID, err := s.insertBlob(contentBlob.BlobHash, contentBlob.Length, false)
- if err != nil {
- return err
- }
+ blobID, err := s.insertBlob(tx, contentBlob.BlobHash, contentBlob.Length, false)
+ if err != nil {
+ return err
+ }
- args := []interface{}{streamID, blobID, contentBlob.BlobNum}
- _, err = s.exec(
- "INSERT IGNORE INTO stream_blob (stream_id, blob_id, num) VALUES ("+qt.Qs(len(args))+")",
- args...,
- )
- if err != nil {
- return errors.Err(err)
+ args := []interface{}{streamID, blobID, contentBlob.BlobNum}
+ _, err = s.exec(tx,
+ "INSERT IGNORE INTO stream_blob (stream_id, blob_id, num) VALUES ("+qt.Qs(len(args))+")",
+ args...,
+ )
+ if err != nil {
+ return errors.Err(err)
+ }
}
- }
- return nil
+ return nil
+ })
}
// GetHashRange gets the smallest and biggest hashes in the db
@@ -385,7 +637,7 @@ func (s *SQL) GetHashRange() (string, string, error) {
query := "SELECT MIN(hash), MAX(hash) from blob_"
- logQuery(query)
+ s.logQuery(query)
err := s.conn.QueryRow(query).Scan(&min, &max)
return min, max, err
@@ -409,7 +661,7 @@ func (s *SQL) GetStoredHashesInRange(ctx context.Context, start, end bits.Bitmap
query := "SELECT hash FROM blob_ WHERE hash >= ? AND hash <= ? AND is_stored = 1"
args := []interface{}{start.Hex(), end.Hex()}
- logQuery(query, args...)
+ s.logQuery(query, args...)
rows, err := s.conn.Query(query, args...)
defer closeRows(rows)
@@ -444,39 +696,38 @@ func (s *SQL) GetStoredHashesInRange(ctx context.Context, start, end bits.Bitmap
}
// txFunc is a function that can be wrapped in a transaction
-type txFunc func(tx *sql.Tx) error
+type txFunc func(tx Transactor) error
-// withTx wraps a function in an sql transaction. the transaction is committed if there's no error, or rolled back if there is one.
-// if dbOrTx is an sql.DB, a new transaction is started
+// withTx wraps a function in an sql transaction. the transaction is committed if there's
+// no error, or rolled back if there is one. if dbOrTx is not a Transactor (e.g. if it's
+// an *sql.DB), withTx attempts to start a new transaction to use.
func withTx(dbOrTx interface{}, f txFunc) (err error) {
- var tx *sql.Tx
+ var tx Transactor
+ var ok bool
- switch t := dbOrTx.(type) {
- case *sql.Tx:
- tx = t
- case *sql.DB:
- tx, err = t.Begin()
+ tx, ok = dbOrTx.(Transactor)
+ if !ok {
+ tx, err = Begin(dbOrTx)
if err != nil {
return err
}
- defer func() {
- if p := recover(); p != nil {
- if rollBackError := tx.Rollback(); rollBackError != nil {
- log.Error("failed to rollback tx on panic - ", rollBackError)
- }
- panic(p)
- } else if err != nil {
- if rollBackError := tx.Rollback(); rollBackError != nil {
- log.Error("failed to rollback tx on panic - ", rollBackError)
- }
- } else {
- err = errors.Err(tx.Commit())
- }
- }()
- default:
- return errors.Err("db or tx required")
}
+ defer func() {
+ if p := recover(); p != nil {
+ if rollBackError := tx.Rollback(); rollBackError != nil {
+ log.Error("failed to rollback tx on panic: ", rollBackError)
+ }
+ err = errors.Prefix("panic", p)
+ } else if err != nil {
+ if rollBackError := tx.Rollback(); rollBackError != nil {
+ log.Error("failed to rollback tx: ", rollBackError)
+ }
+ } else {
+ err = errors.Err(tx.Commit())
+ }
+ }()
+
return f(tx)
}
@@ -489,12 +740,12 @@ func closeRows(rows *sql.Rows) {
}
}
-func (s *SQL) exec(query string, args ...interface{}) (int64, error) {
- logQuery(query, args...)
+func (s *SQL) exec(ex Executor, query string, args ...interface{}) (int64, error) {
+ s.logQuery(query, args...)
attempt, maxAttempts := 0, 3
Retry:
attempt++
- result, err := s.conn.Exec(query, args...)
+ result, err := ex.Exec(query, args...)
if isLockTimeoutError(err) {
if attempt <= maxAttempts {
//Error 1205: Lock wait timeout exceeded; try restarting transaction
@@ -528,8 +779,11 @@ CREATE TABLE blob_ (
hash char(96) NOT NULL,
is_stored TINYINT(1) NOT NULL DEFAULT 0,
length bigint(20) unsigned DEFAULT NULL,
+ last_accessed_at TIMESTAMP NULL DEFAULT NULL,
PRIMARY KEY (id),
- UNIQUE KEY blob_hash_idx (hash)
+ UNIQUE KEY blob_hash_idx (hash),
+ KEY `blob_last_accessed_idx` (`last_accessed_at`),
+ KEY `is_stored_idx` (`is_stored`)
);
CREATE TABLE stream (
@@ -560,3 +814,47 @@ CREATE TABLE blocked (
);
*/
+
+//func (d *LiteDBBackedStore) selfClean() {
+// d.stopper.Add(1)
+// defer d.stopper.Done()
+// lastCleanup := time.Now()
+// const cleanupInterval = 10 * time.Second
+// for {
+// select {
+// case <-d.stopper.Ch():
+// log.Infoln("stopping self cleanup")
+// return
+// default:
+// time.Sleep(1 * time.Second)
+// }
+// if time.Since(lastCleanup) < cleanupInterval {
+// continue
+//
+// blobsCount, err := d.db.BlobsCount()
+// if err != nil {
+// log.Errorf(errors.FullTrace(err))
+// }
+// if blobsCount >= d.maxItems {
+// itemsToDelete := blobsCount / 100 * 10
+// blobs, err := d.db.GetLRUBlobs(itemsToDelete)
+// if err != nil {
+// log.Errorf(errors.FullTrace(err))
+// }
+// for _, hash := range blobs {
+// select {
+// case <-d.stopper.Ch():
+// return
+// default:
+//
+// }
+// err = d.Delete(hash)
+// if err != nil {
+// log.Errorf(errors.FullTrace(err))
+// }
+// metrics.CacheLRUEvictCount.With(metrics.CacheLabels(d.Name(), d.component)).Inc()
+// }
+// }
+// lastCleanup = time.Now()
+// }
+//}
diff --git a/db/interfaces.go b/db/interfaces.go
new file mode 100644
index 0000000..11b2ee6
--- /dev/null
+++ b/db/interfaces.go
@@ -0,0 +1,45 @@
+package db
+
+import (
+ "database/sql"
+
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+)
+
+// Executor can perform SQL queries.
+type Executor interface {
+ Exec(query string, args ...interface{}) (sql.Result, error)
+ Query(query string, args ...interface{}) (*sql.Rows, error)
+ QueryRow(query string, args ...interface{}) *sql.Row
+}
+
+// Transactor can commit and rollback, on top of being able to execute queries.
+type Transactor interface {
+ Commit() error
+ Rollback() error
+
+ Executor
+}
+
+// Begin begins a transaction
+func Begin(db interface{}) (Transactor, error) {
+ type beginner interface {
+ Begin() (Transactor, error)
+ }
+
+ creator, ok := db.(beginner)
+ if ok {
+ return creator.Begin()
+ }
+
+ type sqlBeginner interface {
+ Begin() (*sql.Tx, error)
+ }
+
+ creator2, ok := db.(sqlBeginner)
+ if ok {
+ return creator2.Begin()
+ }
+
+ return nil, errors.Err("database does not support transactions")
+}
diff --git a/go.mod b/go.mod
index 9df120d..31386d5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,19 +2,24 @@ module github.com/lbryio/reflector.go
replace github.com/btcsuite/btcd => github.com/lbryio/lbrycrd.go v0.0.0-20200203050410-e1076f12bf19
+//replace github.com/lbryio/lbry.go/v2 => ../lbry.go
+
require (
github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878 // indirect
github.com/aws/aws-sdk-go v1.16.11
+ github.com/bluele/gcache v0.0.2
+ github.com/bparli/lfuda-go v0.3.1
github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3
github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d
+ github.com/c2h5oh/datasize v0.0.0-20200825124411-48ed595a09d2
github.com/davecgh/go-spew v1.1.1
+ github.com/gin-gonic/gin v1.7.1
github.com/go-sql-driver/mysql v1.4.1
github.com/golang/protobuf v1.4.2
- github.com/google/btree v1.0.0 // indirect
- github.com/google/gops v0.3.7
+ github.com/google/gops v0.3.18
github.com/gorilla/mux v1.7.4
github.com/hashicorp/go-msgpack v0.5.5 // indirect
- github.com/hashicorp/golang-lru v0.5.4
+ github.com/hashicorp/golang-lru v0.5.4 // indirect
github.com/hashicorp/memberlist v0.1.4 // indirect
github.com/hashicorp/serf v0.8.2
github.com/inconshreveable/go-update v0.0.0-20160112193335-8152e7eb6ccf
@@ -22,25 +27,23 @@ require (
github.com/karrick/godirwalk v1.16.1
github.com/lbryio/chainquery v1.9.0
github.com/lbryio/lbry.go v1.1.2 // indirect
- github.com/lbryio/lbry.go/v2 v2.6.1-0.20200901175808-73382bb02128
- github.com/lbryio/types v0.0.0-20191228214437-05a22073b4ec
- github.com/lucas-clemente/quic-go v0.18.1
+ github.com/lbryio/lbry.go/v2 v2.7.2-0.20210416195322-6516df1418e3
+ github.com/lbryio/types v0.0.0-20201019032447-f0b4476ef386
+ github.com/lucas-clemente/quic-go v0.20.1
github.com/phayes/freeport v0.0.0-20171002185219-e27662a4a9d6
- github.com/prometheus/client_golang v0.9.2
+ github.com/prometheus/client_golang v0.9.3
github.com/sirupsen/logrus v1.4.2
- github.com/spf13/afero v1.4.1
+ github.com/spf13/afero v1.4.1 // indirect
github.com/spf13/cast v1.3.0
github.com/spf13/cobra v0.0.3
- github.com/spf13/pflag v1.0.3 // indirect
- github.com/stretchr/testify v1.4.0
+ github.com/spf13/viper v1.7.1 // indirect
+ github.com/stretchr/testify v1.7.0
github.com/volatiletech/null v8.0.0+incompatible
go.uber.org/atomic v1.5.1
- golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f // indirect
- golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e
+ golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4 // indirect
google.golang.org/appengine v1.6.2 // indirect
- gotest.tools v2.2.0+incompatible
)
go 1.15
diff --git a/go.sum b/go.sum
index 84b207a..351f737 100644
--- a/go.sum
+++ b/go.sum
@@ -2,16 +2,31 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
cloud.google.com/go v0.31.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.37.0/go.mod h1:TS1dMSSfndXH133OKGwekG838Om/cQT0BUHV3HcBgoo=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
dmitri.shuralyov.com/app/changes v0.0.0-20180602232624-0a106ad413e3/go.mod h1:Yl+fi1br7+Rr3LqpNJf1/uxUdtRUV+Tnj0o93V2B9MU=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
dmitri.shuralyov.com/html/belt v0.0.0-20180602232347-f7d459c86be0/go.mod h1:JLBrvjyP0v+ecvNYvCpyZgu5/xkfAUhi6wJj28eUfSU=
dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1:a1inKt/atXimZ4Mv927x+r7UpyzRUf4emIoiiSC2TN4=
dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
-github.com/StackExchange/wmi v0.0.0-20170410192909-ea383cf3ba6e/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
@@ -22,9 +37,15 @@ github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:l
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
github.com/aws/aws-sdk-go v1.16.11 h1:g/c7gJeVyHoXCxM2fddS85bPGVkBF8s2q8t3fyElegc=
github.com/aws/aws-sdk-go v1.16.11/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
+github.com/bluele/gcache v0.0.2 h1:WcbfdXICg7G/DGBh1PFfcirkWOQV+v077yF1pSy3DGw=
+github.com/bluele/gcache v0.0.2/go.mod h1:m15KV+ECjptwSPxKhOhQoAFQVtUFjTVkc3H8o0t/fp0=
+github.com/bparli/lfuda-go v0.3.1 h1:nO9Szo627RC8/z+R+MMPBItNwHCOonchmpjQuQi8jVY=
+github.com/bparli/lfuda-go v0.3.1/go.mod h1:BR5a9lwlqRqnPhU3F5ojFK3VhTKg8iFVtJJKgZBQhAo=
github.com/bradfitz/go-smtpd v0.0.0-20170404230938-deb6d6237625/go.mod h1:HYsPBTaaSFSlLx/70C2HPIMNZpVV8+vt/A+FMnYP11g=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9VhRV3jjAVU7DJVjMaK+IsvSeZvFo=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
@@ -39,61 +60,86 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792 h1:R8vQdOQdZ9Y3
github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
github.com/buger/jsonparser v0.0.0-20181115193947-bf1c66bbce23/go.mod h1:bbYlZJ7hK1yFx9hf58LP0zeX7UjIGs20ufpu3evjr+s=
+github.com/c2h5oh/datasize v0.0.0-20200825124411-48ed595a09d2 h1:t8KYCwSKsOEZBFELI4Pn/phbp38iJ1RRAkDFNin1aak=
+github.com/c2h5oh/datasize v0.0.0-20200825124411-48ed595a09d2/go.mod h1:S/7n9copUssQ56c7aAgHqftWO4LTf4xY6CGWt8Bc+3M=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cheekybits/genny v1.0.0 h1:uGGa4nei+j20rOSeDeP5Of12XVm7TGUd4dJA9RDitfE=
github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20181012123002-c6f51f82210d/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
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github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
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@@ -107,12 +153,17 @@ github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
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github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
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@@ -127,13 +178,20 @@ github.com/gorilla/rpc v1.2.0 h1:WvvdC2lNeT1SP32zrIce5l0ECBfbAlmrmSBsuc57wfk=
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github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
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github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
@@ -142,6 +200,7 @@ github.com/hashicorp/go-msgpack v0.5.5/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iP
github.com/hashicorp/go-multierror v1.0.0 h1:iVjPR7a6H0tWELX5NxNe7bYopibicUzc7uPribsnS6o=
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@@ -150,12 +209,12 @@ github.com/hashicorp/go-uuid v1.0.1 h1:fv1ep09latC32wFoVwnqcnKJGnMSdBanPczbHAYm1
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@@ -163,7 +222,6 @@ github.com/hashicorp/memberlist v0.1.4 h1:gkyML/r71w3FL8gUi74Vk76avkj/9lYAY9lvg0
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@@ -179,24 +237,28 @@ github.com/johntdyer/slack-go v0.0.0-20180213144715-95fac1160b22/go.mod h1:u0Jo4
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@@ -247,14 +312,21 @@ github.com/microcosm-cc/bluemonday v1.0.1/go.mod h1:hsXNsILzKxV+sX77C5b8FSuKF00v
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@@ -262,6 +334,7 @@ github.com/nlopes/slack v0.6.0 h1:jt0jxVQGhssx1Ib7naAOZEZcGdtIhTzkP0nopK0AsRA=
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github.com/onsi/ginkgo v1.10.2/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
@@ -290,16 +363,26 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
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@@ -311,8 +394,7 @@ github.com/sebdah/goldie v0.0.0-20190531093107-d313ffb52c77/go.mod h1:jXP4hmWywN
github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
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@@ -346,12 +428,15 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1
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github.com/spf13/cast v1.2.0/go.mod h1:r2rcYCSwa1IExKTDiTfzaxqT2FNHs8hODu4LnUfgKEg=
@@ -359,22 +444,35 @@ github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
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@@ -383,15 +481,20 @@ github.com/volatiletech/null v8.0.0+incompatible h1:7wP8m5d/gZ6kW/9GnrLtMCRre2dl
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go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
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go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/atomic v1.5.1 h1:rsqfU5vBkVknbhUGbAUwQKR2H4ItV8tjJ+6kJX4cxHM=
go.uber.org/atomic v1.5.1/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
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go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -400,6 +503,7 @@ golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnf
golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -409,14 +513,28 @@ golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPh
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
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golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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@@ -425,15 +543,17 @@ golang.org/x/net v0.0.0-20181029044818-c44066c5c816/go.mod h1:mL1N/T3taQHkDXs73r
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@@ -442,61 +562,78 @@ golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAG
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golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20181030000716-a0a13e073c7b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
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golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
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golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
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golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4 h1:Toz2IK7k8rbltAXwNAxKcn9OzqyNfMUhUNjz3sL0NMk=
golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
@@ -507,10 +644,17 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T
google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
google.golang.org/api v0.0.0-20181030000543-1d582fd0359e/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
google.golang.org/api v0.1.0/go.mod h1:UGEZY7KEX120AnNLIHFMKIo4obdJhkp2tPbaPlQx13Y=
+google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
+google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
+google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
+google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
+google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
google.golang.org/appengine v1.6.2 h1:j8RI1yW0SkI+paT6uGwMlrMI/6zwYA6/CFil8rxOzGI=
google.golang.org/appengine v1.6.2/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -519,13 +663,21 @@ google.golang.org/genproto v0.0.0-20181004005441-af9cb2a35e7f/go.mod h1:JiN7NxoA
google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20181202183823-bd91e49a0898/go.mod h1:7Ep/1NZk928CDR8SjdVbjWNpdIf6nzjE3BTgJDr2Atg=
google.golang.org/genproto v0.0.0-20190306203927-b5d61aea6440/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
+google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
+google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
google.golang.org/genproto v0.0.0-20191009194640-548a555dbc03/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
+google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -534,36 +686,43 @@ google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miE
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
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gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/gorp.v1 v1.7.1/go.mod h1:Wo3h+DBQZIxATwftsglhdD/62zRFPhGhTiu5jUJmCaw=
gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
gopkg.in/ini.v1 v1.41.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
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gopkg.in/ini.v1 v1.48.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
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gopkg.in/nullbio/null.v6 v6.0.0-20161116030900-40264a2e6b79 h1:FpCr9V8wuOei4BAen+93HtVJ+XSi+KPbaPKm0Vj5R64=
gopkg.in/nullbio/null.v6 v6.0.0-20161116030900-40264a2e6b79/go.mod h1:gWkaRU7CoXpezCBWfWjm3999QqS+1pYPXGbqQCTMzo8=
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gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
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gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
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gotest.tools v2.2.0+incompatible h1:VsBPFP1AI068pPrMxtb/S8Zkgf9xEmTLJjfM+P5UIEo=
gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-rsc.io/goversion v1.0.0/go.mod h1:Eih9y/uIBS3ulggl7KNJ09xGSLcuNaLgmvvqa07sgfo=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/goversion v1.2.0/go.mod h1:Eih9y/uIBS3ulggl7KNJ09xGSLcuNaLgmvvqa07sgfo=
sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
diff --git a/internal/metrics/metrics.go b/internal/metrics/metrics.go
index 8d46266..b6d5a57 100644
--- a/internal/metrics/metrics.go
+++ b/internal/metrics/metrics.go
@@ -60,6 +60,7 @@ func (s *Server) Shutdown() {
const (
ns = "reflector"
subsystemCache = "cache"
+ subsystemITTT = "ittt"
labelDirection = "direction"
labelErrorType = "error_type"
@@ -117,6 +118,11 @@ var (
Name: "http3_blob_download_total",
Help: "Total number of blobs downloaded from reflector through QUIC protocol",
})
+ HttpDownloadCount = promauto.NewCounter(prometheus.CounterOpts{
+ Namespace: ns,
+ Name: "http_blob_download_total",
+ Help: "Total number of blobs downloaded from reflector through HTTP protocol",
+ })
CacheHitCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: ns,
@@ -124,6 +130,18 @@ var (
Name: "hit_total",
Help: "Total number of blobs retrieved from the cache storage",
}, []string{LabelCacheType, LabelComponent})
+ ThisHitCount = promauto.NewCounter(prometheus.CounterOpts{
+ Namespace: ns,
+ Subsystem: subsystemITTT,
+ Name: "this_hit_total",
+ Help: "Total number of blobs retrieved from the this storage",
+ })
+ ThatHitCount = promauto.NewCounter(prometheus.CounterOpts{
+ Namespace: ns,
+ Subsystem: subsystemITTT,
+ Name: "that_hit_total",
+ Help: "Total number of blobs retrieved from the that storage",
+ })
CacheMissCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: ns,
Subsystem: subsystemCache,
@@ -181,11 +199,21 @@ var (
Name: "udp_in_bytes",
Help: "Total number of bytes downloaded through UDP",
})
+ MtrInBytesHttp = promauto.NewCounter(prometheus.CounterOpts{
+ Namespace: ns,
+ Name: "http_in_bytes",
+ Help: "Total number of bytes downloaded through HTTP",
+ })
MtrOutBytesUdp = promauto.NewCounter(prometheus.CounterOpts{
Namespace: ns,
Name: "udp_out_bytes",
Help: "Total number of bytes streamed out through UDP",
})
+ MtrOutBytesHttp = promauto.NewCounter(prometheus.CounterOpts{
+ Namespace: ns,
+ Name: "http_out_bytes",
+ Help: "Total number of bytes streamed out through UDP",
+ })
MtrInBytesReflector = promauto.NewCounter(prometheus.CounterOpts{
Namespace: ns,
Name: "reflector_in_bytes",
@@ -201,6 +229,16 @@ var (
Name: "s3_in_bytes",
Help: "Total number of incoming bytes (from S3-CF)",
})
+ Http3BlobReqQueue = promauto.NewGauge(prometheus.GaugeOpts{
+ Namespace: ns,
+ Name: "http3_blob_request_queue_size",
+ Help: "Blob requests of https queue size",
+ })
+ RoutinesQueue = promauto.NewGaugeVec(prometheus.GaugeOpts{
+ Namespace: ns,
+ Name: "routines",
+ Help: "routines running by type",
+ }, []string{"package", "kind"})
)
func CacheLabels(name, component string) prometheus.Labels {
diff --git a/peer/client.go b/peer/client.go
index cdafd1c..9eae088 100644
--- a/peer/client.go
+++ b/peer/client.go
@@ -9,6 +9,7 @@ import (
"time"
"github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/shared"
"github.com/lbryio/reflector.go/store"
"github.com/lbryio/lbry.go/v2/extras/errors"
@@ -57,10 +58,11 @@ func (c *Client) GetStream(sdHash string, blobCache store.BlobStore) (stream.Str
var sd stream.SDBlob
- b, err := c.GetBlob(sdHash)
+ b, trace, err := c.GetBlob(sdHash)
if err != nil {
return nil, err
}
+ log.Debug(trace.String())
err = sd.FromBlob(b)
if err != nil {
@@ -71,10 +73,11 @@ func (c *Client) GetStream(sdHash string, blobCache store.BlobStore) (stream.Str
s[0] = b
for i := 0; i < len(sd.BlobInfos)-1; i++ {
- s[i+1], err = c.GetBlob(hex.EncodeToString(sd.BlobInfos[i].BlobHash))
+ s[i+1], trace, err = c.GetBlob(hex.EncodeToString(sd.BlobInfos[i].BlobHash))
if err != nil {
return nil, err
}
+ log.Debug(trace.String())
}
return s, nil
@@ -114,47 +117,52 @@ func (c *Client) HasBlob(hash string) (bool, error) {
}
// GetBlob gets a blob
-func (c *Client) GetBlob(hash string) (stream.Blob, error) {
+func (c *Client) GetBlob(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
if !c.connected {
- return nil, errors.Err("not connected")
+ return nil, shared.NewBlobTrace(time.Since(start), "tcp"), errors.Err("not connected")
}
sendRequest, err := json.Marshal(blobRequest{
RequestedBlob: hash,
})
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), "tcp"), err
}
err = c.write(sendRequest)
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), "tcp"), err
}
var resp blobResponse
err = c.read(&resp)
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), "tcp"), err
}
+ trace := shared.NewBlobTrace(time.Since(start), "tcp")
+ if resp.RequestTrace != nil {
+ trace = *resp.RequestTrace
+ }
if resp.IncomingBlob.Error != "" {
- return nil, errors.Prefix(hash[:8], resp.IncomingBlob.Error)
+ return nil, trace, errors.Prefix(hash[:8], resp.IncomingBlob.Error)
}
if resp.IncomingBlob.BlobHash != hash {
- return nil, errors.Prefix(hash[:8], "blob hash in response does not match requested hash")
+ return nil, trace.Stack(time.Since(start), "tcp"), errors.Prefix(hash[:8], "blob hash in response does not match requested hash")
}
if resp.IncomingBlob.Length <= 0 {
- return nil, errors.Prefix(hash[:8], "length reported as <= 0")
+ return nil, trace, errors.Prefix(hash[:8], "length reported as <= 0")
}
log.Debugf("receiving blob %s from %s", hash[:8], c.conn.RemoteAddr())
blob, err := c.readRawBlob(resp.IncomingBlob.Length)
if err != nil {
- return nil, err
+ return nil, (*resp.RequestTrace).Stack(time.Since(start), "tcp"), err
}
metrics.MtrInBytesTcp.Add(float64(len(blob)))
- return blob, nil
+ return blob, trace.Stack(time.Since(start), "tcp"), nil
}
func (c *Client) read(v interface{}) error {
diff --git a/peer/http3/client.go b/peer/http3/client.go
index ad5c741..d9b1495 100644
--- a/peer/http3/client.go
+++ b/peer/http3/client.go
@@ -9,12 +9,14 @@ import (
"sync"
"time"
- "github.com/lbryio/lbry.go/v2/extras/errors"
- "github.com/lbryio/lbry.go/v2/stream"
"github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/shared"
"github.com/lbryio/reflector.go/store"
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+ "github.com/lbryio/lbry.go/v2/stream"
"github.com/lucas-clemente/quic-go/http3"
+ log "github.com/sirupsen/logrus"
)
// Client is an instance of a client connected to a server.
@@ -35,7 +37,7 @@ func (c *Client) Close() error {
func (c *Client) GetStream(sdHash string, blobCache store.BlobStore) (stream.Stream, error) {
var sd stream.SDBlob
- b, err := c.GetBlob(sdHash)
+ b, _, err := c.GetBlob(sdHash)
if err != nil {
return nil, err
}
@@ -49,10 +51,12 @@ func (c *Client) GetStream(sdHash string, blobCache store.BlobStore) (stream.Str
s[0] = b
for i := 0; i < len(sd.BlobInfos)-1; i++ {
- s[i+1], err = c.GetBlob(hex.EncodeToString(sd.BlobInfos[i].BlobHash))
+ var trace shared.BlobTrace
+ s[i+1], trace, err = c.GetBlob(hex.EncodeToString(sd.BlobInfos[i].BlobHash))
if err != nil {
return nil, err
}
+ log.Debug(trace.String())
}
return s, nil
@@ -75,26 +79,35 @@ func (c *Client) HasBlob(hash string) (bool, error) {
}
// GetBlob gets a blob
-func (c *Client) GetBlob(hash string) (stream.Blob, error) {
- resp, err := c.conn.Get(fmt.Sprintf("https://%s/get/%s", c.ServerAddr, hash))
+func (c *Client) GetBlob(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ resp, err := c.conn.Get(fmt.Sprintf("https://%s/get/%s?trace=true", c.ServerAddr, hash))
if err != nil {
- return nil, errors.Err(err)
+ return nil, shared.NewBlobTrace(time.Since(start), "http3"), errors.Err(err)
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusNotFound {
fmt.Printf("%s blob not found %d\n", hash, resp.StatusCode)
- return nil, errors.Err(store.ErrBlobNotFound)
+ return nil, shared.NewBlobTrace(time.Since(start), "http3"), errors.Err(store.ErrBlobNotFound)
} else if resp.StatusCode != http.StatusOK {
- return nil, errors.Err("non 200 status code returned: %d", resp.StatusCode)
+ return nil, shared.NewBlobTrace(time.Since(start), "http3"), errors.Err("non 200 status code returned: %d", resp.StatusCode)
}
tmp := getBuffer()
defer putBuffer(tmp)
-
+ serialized := resp.Header.Get("Via")
+ trace := shared.NewBlobTrace(time.Since(start), "http3")
+ if serialized != "" {
+ parsedTrace, err := shared.Deserialize(serialized)
+ if err != nil {
+ return nil, shared.NewBlobTrace(time.Since(start), "http3"), err
+ }
+ trace = *parsedTrace
+ }
written, err := io.Copy(tmp, resp.Body)
if err != nil {
- return nil, errors.Err(err)
+ return nil, trace.Stack(time.Since(start), "http3"), errors.Err(err)
}
blob := make([]byte, written)
@@ -102,7 +115,7 @@ func (c *Client) GetBlob(hash string) (stream.Blob, error) {
metrics.MtrInBytesUdp.Add(float64(len(blob)))
- return blob, nil
+ return blob, trace.Stack(time.Since(start), "http3"), nil
}
// buffer pool to reduce GC
diff --git a/peer/http3/server.go b/peer/http3/server.go
index 55ab5fc..3d49d17 100644
--- a/peer/http3/server.go
+++ b/peer/http3/server.go
@@ -10,6 +10,8 @@ import (
"fmt"
"math/big"
"net/http"
+ "strconv"
+ "sync"
"time"
"github.com/lbryio/reflector.go/internal/metrics"
@@ -31,7 +33,7 @@ type Server struct {
}
// NewServer returns an initialized Server pointer.
-func NewServer(store store.BlobStore) *Server {
+func NewServer(store store.BlobStore, requestQueueSize int) *Server {
return &Server{
store: store,
grp: stop.New(),
@@ -63,33 +65,21 @@ type availabilityResponse struct {
// Start starts the server listener to handle connections.
func (s *Server) Start(address string) error {
log.Println("HTTP3 peer listening on " + address)
+ window500M := 500 * 1 << 20
+
quicConf := &quic.Config{
- HandshakeTimeout: 4 * time.Second,
- MaxIdleTimeout: 10 * time.Second,
+ MaxStreamReceiveWindow: uint64(window500M),
+ MaxConnectionReceiveWindow: uint64(window500M),
+ EnableDatagrams: true,
+ HandshakeIdleTimeout: 4 * time.Second,
+ MaxIdleTimeout: 20 * time.Second,
}
r := mux.NewRouter()
r.HandleFunc("/get/{hash}", func(w http.ResponseWriter, r *http.Request) {
- vars := mux.Vars(r)
- requestedBlob := vars["hash"]
- blob, err := s.store.Get(requestedBlob)
- if err != nil {
- if errors.Is(err, store.ErrBlobNotFound) {
- http.Error(w, err.Error(), http.StatusNotFound)
- return
- }
- fmt.Printf("%s: %s", requestedBlob, errors.FullTrace(err))
- s.logError(err)
- http.Error(w, err.Error(), http.StatusBadRequest)
- return
- }
-
- _, err = w.Write(blob)
- if err != nil {
- s.logError(err)
- }
- metrics.MtrOutBytesUdp.Add(float64(len(blob)))
- metrics.BlobDownloadCount.Inc()
- metrics.Http3DownloadCount.Inc()
+ waiter := &sync.WaitGroup{}
+ waiter.Add(1)
+ enqueue(&blobRequest{request: r, reply: w, finished: waiter})
+ waiter.Wait()
})
r.HandleFunc("/has/{hash}", func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
@@ -127,7 +117,7 @@ func (s *Server) Start(address string) error {
},
QuicConfig: quicConf,
}
-
+ go InitWorkers(s, 200)
go s.listenForShutdown(&server)
s.grp.Add(1)
go func() {
@@ -176,3 +166,47 @@ func (s *Server) listenForShutdown(listener *http3.Server) {
log.Error("error closing listener for peer server - ", err)
}
}
+
+func (s *Server) HandleGetBlob(w http.ResponseWriter, r *http.Request) {
+ vars := mux.Vars(r)
+ requestedBlob := vars["hash"]
+ traceParam := r.URL.Query().Get("trace")
+ var err error
+ wantsTrace := false
+ if traceParam != "" {
+ wantsTrace, err = strconv.ParseBool(traceParam)
+ if err != nil {
+ wantsTrace = false
+ }
+ }
+
+ blob, trace, err := s.store.Get(requestedBlob)
+
+ if wantsTrace {
+ serialized, err := trace.Serialize()
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusNotFound)
+ return
+ }
+ w.Header().Add("Via", serialized)
+ log.Debug(trace.String())
+ }
+ if err != nil {
+ if errors.Is(err, store.ErrBlobNotFound) {
+ http.Error(w, err.Error(), http.StatusNotFound)
+ return
+ }
+ fmt.Printf("%s: %s", requestedBlob, errors.FullTrace(err))
+ s.logError(err)
+ http.Error(w, err.Error(), http.StatusBadRequest)
+ return
+ }
+
+ _, err = w.Write(blob)
+ if err != nil {
+ s.logError(err)
+ }
+ metrics.MtrOutBytesUdp.Add(float64(len(blob)))
+ metrics.BlobDownloadCount.Inc()
+ metrics.Http3DownloadCount.Inc()
+}
diff --git a/peer/http3/store.go b/peer/http3/store.go
index 4749ab0..7d8fc34 100644
--- a/peer/http3/store.go
+++ b/peer/http3/store.go
@@ -4,10 +4,14 @@ import (
"crypto/tls"
"crypto/x509"
"net/http"
+ "strings"
+ "sync"
"time"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
+ "github.com/lbryio/reflector.go/store"
"github.com/lucas-clemente/quic-go"
"github.com/lucas-clemente/quic-go/http3"
)
@@ -15,7 +19,8 @@ import (
// Store is a blob store that gets blobs from a peer.
// It satisfies the store.BlobStore interface but cannot put or delete blobs.
type Store struct {
- opts StoreOpts
+ opts StoreOpts
+ NotFoundCache *sync.Map
}
// StoreOpts allows to set options for a new Store.
@@ -26,13 +31,17 @@ type StoreOpts struct {
// NewStore makes a new peer store.
func NewStore(opts StoreOpts) *Store {
- return &Store{opts: opts}
+ return &Store{opts: opts, NotFoundCache: &sync.Map{}}
}
func (p *Store) getClient() (*Client, error) {
var qconf quic.Config
- qconf.HandshakeTimeout = 4 * time.Second
- qconf.MaxIdleTimeout = 10 * time.Second
+ window500M := 500 * 1 << 20
+ qconf.MaxStreamReceiveWindow = uint64(window500M)
+ qconf.MaxConnectionReceiveWindow = uint64(window500M)
+ qconf.EnableDatagrams = true
+ qconf.HandshakeIdleTimeout = 4 * time.Second
+ qconf.MaxIdleTimeout = 20 * time.Second
pool, err := x509.SystemCertPool()
if err != nil {
return nil, err
@@ -68,10 +77,19 @@ func (p *Store) Has(hash string) (bool, error) {
}
// Get downloads the blob from the peer
-func (p *Store) Get(hash string) (stream.Blob, error) {
+func (p *Store) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ if lastChecked, ok := p.NotFoundCache.Load(hash); ok {
+ if lastChecked.(time.Time).After(time.Now().Add(-5 * time.Minute)) {
+ return nil, shared.NewBlobTrace(time.Since(start), p.Name()+"-notfoundcache"), store.ErrBlobNotFound
+ }
+ }
c, err := p.getClient()
+ if err != nil && strings.Contains(err.Error(), "blob not found") {
+ p.NotFoundCache.Store(hash, time.Now())
+ }
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), p.Name()), err
}
defer c.Close()
return c.GetBlob(hash)
@@ -79,15 +97,20 @@ func (p *Store) Get(hash string) (stream.Blob, error) {
// Put is not supported
func (p *Store) Put(hash string, blob stream.Blob) error {
- panic("http3Store cannot put or delete blobs")
+ return errors.Err(shared.ErrNotImplemented)
}
// PutSD is not supported
func (p *Store) PutSD(hash string, blob stream.Blob) error {
- panic("http3Store cannot put or delete blobs")
+ return errors.Err(shared.ErrNotImplemented)
}
// Delete is not supported
func (p *Store) Delete(hash string) error {
- panic("http3Store cannot put or delete blobs")
+ return errors.Err(shared.ErrNotImplemented)
+}
+
+// Delete is not supported
+func (p *Store) Shutdown() {
+ return
}
diff --git a/peer/http3/worker.go b/peer/http3/worker.go
new file mode 100644
index 0000000..91dfd02
--- /dev/null
+++ b/peer/http3/worker.go
@@ -0,0 +1,47 @@
+package http3
+
+import (
+ "net/http"
+ "sync"
+
+ "github.com/lbryio/reflector.go/internal/metrics"
+
+ "github.com/lbryio/lbry.go/v2/extras/stop"
+)
+
+type blobRequest struct {
+ request *http.Request
+ reply http.ResponseWriter
+ finished *sync.WaitGroup
+}
+
+var getReqCh = make(chan *blobRequest, 20000)
+
+func InitWorkers(server *Server, workers int) {
+ stopper := stop.New(server.grp)
+ for i := 0; i < workers; i++ {
+ metrics.RoutinesQueue.WithLabelValues("http3", "worker").Inc()
+ go func(worker int) {
+ defer metrics.RoutinesQueue.WithLabelValues("http3", "worker").Dec()
+ for {
+ select {
+ case <-stopper.Ch():
+ case r := <-getReqCh:
+ metrics.Http3BlobReqQueue.Dec()
+ process(server, r)
+ }
+ }
+ }(i)
+ }
+ return
+}
+
+func enqueue(b *blobRequest) {
+ metrics.Http3BlobReqQueue.Inc()
+ getReqCh <- b
+}
+
+func process(server *Server, r *blobRequest) {
+ server.HandleGetBlob(r.reply, r.request)
+ r.finished.Done()
+}
diff --git a/peer/server.go b/peer/server.go
index 44916cb..4061ea5 100644
--- a/peer/server.go
+++ b/peer/server.go
@@ -12,6 +12,7 @@ import (
"github.com/lbryio/reflector.go/internal/metrics"
"github.com/lbryio/reflector.go/reflector"
+ "github.com/lbryio/reflector.go/shared"
"github.com/lbryio/reflector.go/store"
"github.com/lbryio/lbry.go/v2/extras/errors"
@@ -88,7 +89,9 @@ func (s *Server) listenAndServe(listener net.Listener) {
log.Error(errors.Prefix("accepting conn", err))
} else {
s.grp.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("peer", "server-handleconn").Inc()
go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("peer", "server-handleconn").Dec()
s.handleConnection(conn)
s.grp.Done()
}()
@@ -253,6 +256,7 @@ func (s *Server) handleCompositeRequest(data []byte) ([]byte, error) {
}
var blob []byte
+ var trace shared.BlobTrace
if request.RequestedBlob != "" {
if len(request.RequestedBlob) != stream.BlobHashHexLength {
return nil, errors.Err("Invalid blob hash length")
@@ -260,7 +264,8 @@ func (s *Server) handleCompositeRequest(data []byte) ([]byte, error) {
log.Debugln("Sending blob " + request.RequestedBlob[:8])
- blob, err = s.store.Get(request.RequestedBlob)
+ blob, trace, err = s.store.Get(request.RequestedBlob)
+ log.Debug(trace.String())
if errors.Is(err, store.ErrBlobNotFound) {
response.IncomingBlob = incomingBlob{
Error: err.Error(),
@@ -382,6 +387,7 @@ type incomingBlob struct {
}
type blobResponse struct {
IncomingBlob incomingBlob `json:"incoming_blob"`
+ RequestTrace *shared.BlobTrace
}
type compositeRequest struct {
diff --git a/peer/store.go b/peer/store.go
index b8abedd..689d1c0 100644
--- a/peer/store.go
+++ b/peer/store.go
@@ -1,10 +1,13 @@
package peer
import (
+ "strings"
"time"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
+ "github.com/lbryio/reflector.go/store"
)
// Store is a blob store that gets blobs from a peer.
@@ -43,26 +46,37 @@ func (p *Store) Has(hash string) (bool, error) {
}
// Get downloads the blob from the peer
-func (p *Store) Get(hash string) (stream.Blob, error) {
+func (p *Store) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
c, err := p.getClient()
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), p.Name()), err
}
defer c.Close()
- return c.GetBlob(hash)
+ blob, trace, err := c.GetBlob(hash)
+ if err != nil && strings.Contains(err.Error(), "blob not found") {
+ return nil, trace, store.ErrBlobNotFound
+ }
+
+ return blob, trace, err
}
// Put is not supported
func (p *Store) Put(hash string, blob stream.Blob) error {
- panic("PeerStore cannot put or delete blobs")
+ return errors.Err(shared.ErrNotImplemented)
}
// PutSD is not supported
func (p *Store) PutSD(hash string, blob stream.Blob) error {
- panic("PeerStore cannot put or delete blobs")
+ return errors.Err(shared.ErrNotImplemented)
}
// Delete is not supported
func (p *Store) Delete(hash string) error {
- panic("PeerStore cannot put or delete blobs")
+ return errors.Err(shared.ErrNotImplemented)
+}
+
+// Delete is not supported
+func (p *Store) Shutdown() {
+ return
}
diff --git a/prism/prism.go b/prism/prism.go
index 12d0329..ee18ba1 100644
--- a/prism/prism.go
+++ b/prism/prism.go
@@ -79,7 +79,7 @@ func New(conf *Config) *Prism {
dht: d,
cluster: c,
peer: peer.NewServer(conf.Blobs),
- reflector: reflector.NewServer(conf.Blobs),
+ reflector: reflector.NewServer(conf.Blobs, conf.Blobs),
grp: stop.New(),
}
diff --git a/publish/publish.go b/publish/publish.go
index 417978e..9e585e8 100644
--- a/publish/publish.go
+++ b/publish/publish.go
@@ -3,7 +3,6 @@ package publish
import (
"bytes"
"encoding/json"
- "io/ioutil"
"os"
"path/filepath"
"sort"
@@ -21,7 +20,6 @@ import (
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/btcutil"
"github.com/golang/protobuf/proto"
- "golang.org/x/crypto/sha3"
)
var TODO = `
@@ -43,6 +41,14 @@ var TODO = `
}
`
+type Details struct {
+ Title string
+ Description string
+ Author string
+ Tags []string
+ ReleaseTime int64
+}
+
func Publish(client *lbrycrd.Client, path, name, address string, details Details, reflectorAddress string) (*wire.MsgTx, *chainhash.Hash, error) {
if name == "" {
return nil, nil, errors.Err("name required")
@@ -69,11 +75,20 @@ func Publish(client *lbrycrd.Client, path, name, address string, details Details
return nil, nil, err
}
- claim, st, err := makeClaimAndStream(path, details)
+ st, stPB, err := makeStream(path)
if err != nil {
return nil, nil, err
}
+ stPB.Author = details.Author
+ stPB.ReleaseTime = details.ReleaseTime
+
+ claim := &pb.Claim{
+ Title: details.Title,
+ Description: details.Description,
+ Type: &pb.Claim_Stream{Stream: stPB},
+ }
+
err = addClaimToTx(tx, claim, name, amount, addr)
if err != nil {
return nil, nil, err
@@ -203,50 +218,31 @@ func reflect(st stream.Stream, reflectorAddress string) error {
return nil
}
-type Details struct {
- Title string
- Description string
- Author string
- Tags []string
- ReleaseTime int64
-}
-
-func makeClaimAndStream(path string, details Details) (*pb.Claim, stream.Stream, error) {
+func makeStream(path string) (stream.Stream, *pb.Stream, error) {
file, err := os.Open(path)
if err != nil {
return nil, nil, errors.Err(err)
}
- data, err := ioutil.ReadAll(file)
- if err != nil {
- return nil, nil, errors.Err(err)
- }
- s, err := stream.New(data)
+ defer file.Close()
+
+ enc := stream.NewEncoder(file)
+
+ s, err := enc.Stream()
if err != nil {
return nil, nil, errors.Err(err)
}
- // make the claim
- sdBlob := &stream.SDBlob{}
- err = sdBlob.FromBlob(s[0])
- if err != nil {
- return nil, nil, errors.Err(err)
- }
-
- filehash := sha3.Sum384(data)
-
- streamPB := &pb.Stream{
- Author: details.Author,
- ReleaseTime: details.ReleaseTime,
+ streamProto := &pb.Stream{
Source: &pb.Source{
- SdHash: s[0].Hash(),
+ SdHash: enc.SDBlob().Hash(),
Name: filepath.Base(file.Name()),
- Size: uint64(len(data)),
- Hash: filehash[:],
+ Size: uint64(enc.SourceLen()),
+ Hash: enc.SourceHash(),
},
}
mimeType, category := guessMimeType(filepath.Ext(file.Name()))
- streamPB.Source.MediaType = mimeType
+ streamProto.Source.MediaType = mimeType
switch category {
case "video":
@@ -254,20 +250,14 @@ func makeClaimAndStream(path string, details Details) (*pb.Claim, stream.Stream,
//if err != nil {
// return nil, nil, err
//}
- streamPB.Type = &pb.Stream_Video{}
+ streamProto.Type = &pb.Stream_Video{}
case "audio":
- streamPB.Type = &pb.Stream_Audio{}
+ streamProto.Type = &pb.Stream_Audio{}
case "image":
- streamPB.Type = &pb.Stream_Image{}
+ streamProto.Type = &pb.Stream_Image{}
}
- claim := &pb.Claim{
- Title: details.Title,
- Description: details.Description,
- Type: &pb.Claim_Stream{Stream: streamPB},
- }
-
- return claim, s, nil
+ return s, streamProto, nil
}
func getClaimPayoutScript(name string, value []byte, address btcutil.Address) ([]byte, error) {
diff --git a/reflector/blocklist.go b/reflector/blocklist.go
index 9abfc4a..26edff6 100644
--- a/reflector/blocklist.go
+++ b/reflector/blocklist.go
@@ -8,6 +8,8 @@ import (
"strings"
"time"
+ "github.com/lbryio/reflector.go/internal/metrics"
+
"github.com/lbryio/reflector.go/store"
"github.com/lbryio/reflector.go/wallet"
@@ -109,8 +111,9 @@ func sdHashesForOutpoints(walletServers, outpoints []string, stopper stop.Chan)
}
done := make(chan bool)
-
+ metrics.RoutinesQueue.WithLabelValues("reflector", "sdhashesforoutput").Inc()
go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("reflector", "sdhashesforoutput").Dec()
select {
case <-done:
case <-stopper:
diff --git a/reflector/server.go b/reflector/server.go
index bbe3d33..3171ced 100644
--- a/reflector/server.go
+++ b/reflector/server.go
@@ -10,6 +10,7 @@ import (
"net"
"time"
+ "github.com/google/gops/agent"
"github.com/lbryio/reflector.go/internal/metrics"
"github.com/lbryio/reflector.go/store"
@@ -40,16 +41,18 @@ type Server struct {
EnableBlocklist bool // if true, blocklist checking and blob deletion will be enabled
- store store.BlobStore
- grp *stop.Group
+ underlyingStore store.BlobStore
+ outerStore store.BlobStore
+ grp *stop.Group
}
// NewServer returns an initialized reflector server pointer.
-func NewServer(store store.BlobStore) *Server {
+func NewServer(underlying store.BlobStore, outer store.BlobStore) *Server {
return &Server{
- Timeout: DefaultTimeout,
- store: store,
- grp: stop.New(),
+ Timeout: DefaultTimeout,
+ underlyingStore: underlying,
+ outerStore: outer,
+ grp: stop.New(),
}
}
@@ -67,9 +70,13 @@ func (s *Server) Start(address string) error {
return errors.Err(err)
}
log.Println("reflector listening on " + address)
-
+ if err := agent.Listen(agent.Options{}); err != nil {
+ log.Fatal(err)
+ }
s.grp.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("reflector", "listener").Inc()
go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("reflector", "listener").Dec()
<-s.grp.Ch()
err := l.Close()
if err != nil {
@@ -79,15 +86,19 @@ func (s *Server) Start(address string) error {
}()
s.grp.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("reflector", "start").Inc()
go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("reflector", "start").Dec()
s.listenAndServe(l)
s.grp.Done()
}()
if s.EnableBlocklist {
- if b, ok := s.store.(store.Blocklister); ok {
+ if b, ok := s.underlyingStore.(store.Blocklister); ok {
s.grp.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("reflector", "enableblocklist").Inc()
go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("reflector", "enableblocklist").Dec()
s.enableBlocklist(b)
s.grp.Done()
}()
@@ -110,7 +121,9 @@ func (s *Server) listenAndServe(listener net.Listener) {
log.Error(err)
} else {
s.grp.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("reflector", "server-listenandserve").Inc()
go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("reflector", "server-listenandserve").Inc()
s.handleConn(conn)
s.grp.Done()
}()
@@ -125,7 +138,9 @@ func (s *Server) handleConn(conn net.Conn) {
close(connNeedsClosing)
}()
s.grp.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("reflector", "server-handleconn").Inc()
go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("reflector", "server-handleconn").Dec()
defer s.grp.Done()
select {
case <-connNeedsClosing:
@@ -190,13 +205,13 @@ func (s *Server) receiveBlob(conn net.Conn) error {
}
var wantsBlob bool
- if bl, ok := s.store.(store.Blocklister); ok {
+ if bl, ok := s.underlyingStore.(store.Blocklister); ok {
wantsBlob, err = bl.Wants(blobHash)
if err != nil {
return err
}
} else {
- blobExists, err := s.store.Has(blobHash)
+ blobExists, err := s.underlyingStore.Has(blobHash)
if err != nil {
return err
}
@@ -206,7 +221,7 @@ func (s *Server) receiveBlob(conn net.Conn) error {
var neededBlobs []string
if isSdBlob && !wantsBlob {
- if nbc, ok := s.store.(neededBlobChecker); ok {
+ if nbc, ok := s.underlyingStore.(neededBlobChecker); ok {
neededBlobs, err = nbc.MissingBlobsForKnownStream(blobHash)
if err != nil {
return err
@@ -249,9 +264,9 @@ func (s *Server) receiveBlob(conn net.Conn) error {
log.Debugln("Got blob " + blobHash[:8])
if isSdBlob {
- err = s.store.PutSD(blobHash, blob)
+ err = s.outerStore.PutSD(blobHash, blob)
} else {
- err = s.store.Put(blobHash, blob)
+ err = s.outerStore.Put(blobHash, blob)
}
if err != nil {
return err
diff --git a/reflector/server_test.go b/reflector/server_test.go
index 0de200e..9004d84 100644
--- a/reflector/server_test.go
+++ b/reflector/server_test.go
@@ -22,7 +22,7 @@ func startServerOnRandomPort(t *testing.T) (*Server, int) {
t.Fatal(err)
}
- srv := NewServer(store.NewMemStore())
+ srv := NewServer(store.NewMemStore(), store.NewMemStore())
err = srv.Start("127.0.0.1:" + strconv.Itoa(port))
if err != nil {
t.Fatal(err)
@@ -119,7 +119,7 @@ func TestServer_Timeout(t *testing.T) {
t.Fatal(err)
}
- srv := NewServer(store.NewMemStore())
+ srv := NewServer(store.NewMemStore(), store.NewMemStore())
srv.Timeout = testTimeout
err = srv.Start("127.0.0.1:" + strconv.Itoa(port))
if err != nil {
@@ -190,7 +190,7 @@ func TestServer_PartialUpload(t *testing.T) {
t.Fatal(err)
}
- srv := NewServer(st)
+ srv := NewServer(st, st)
err = srv.Start("127.0.0.1:" + strconv.Itoa(port))
if err != nil {
t.Fatal(err)
diff --git a/reflector/uploader.go b/reflector/uploader.go
index ae762f4..b421272 100644
--- a/reflector/uploader.go
+++ b/reflector/uploader.go
@@ -7,6 +7,8 @@ import (
"sync"
"time"
+ "github.com/lbryio/reflector.go/internal/metrics"
+
"github.com/lbryio/reflector.go/db"
"github.com/lbryio/reflector.go/store"
@@ -74,7 +76,7 @@ func (u *Uploader) Upload(dirOrFilePath string) error {
var exists map[string]bool
if !u.skipExistsCheck {
- exists, err = u.db.HasBlobs(hashes)
+ exists, err = u.db.HasBlobs(hashes, false)
if err != nil {
return err
}
@@ -88,7 +90,9 @@ func (u *Uploader) Upload(dirOrFilePath string) error {
for i := 0; i < u.workers; i++ {
workerWG.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("reflector", "upload").Inc()
go func(i int) {
+ defer metrics.RoutinesQueue.WithLabelValues("reflector", "upload").Dec()
defer workerWG.Done()
defer func(i int) { log.Debugf("worker %d quitting", i) }(i)
u.worker(pathChan)
@@ -97,7 +101,9 @@ func (u *Uploader) Upload(dirOrFilePath string) error {
countWG := sync.WaitGroup{}
countWG.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("reflector", "uploader").Inc()
go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("reflector", "uploader").Dec()
defer countWG.Done()
u.counter()
}()
diff --git a/server/http/routes.go b/server/http/routes.go
new file mode 100644
index 0000000..e9124a9
--- /dev/null
+++ b/server/http/routes.go
@@ -0,0 +1,59 @@
+package http
+
+import (
+ "net/http"
+
+ "github.com/gin-gonic/gin"
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+
+ "github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/store"
+
+ log "github.com/sirupsen/logrus"
+)
+
+func (s *Server) getBlob(c *gin.Context) {
+ hash := c.Query("hash")
+ blob, trace, err := s.store.Get(hash)
+ if err != nil {
+ serialized, serializeErr := trace.Serialize()
+ if serializeErr != nil {
+ _ = c.AbortWithError(http.StatusInternalServerError, errors.Prefix(serializeErr.Error(), err))
+ return
+ }
+ c.Header("Via", serialized)
+
+ if errors.Is(err, store.ErrBlobNotFound) {
+ log.Errorf("wtf: %s", err.Error())
+ c.AbortWithStatus(http.StatusNotFound)
+ return
+ }
+ _ = c.AbortWithError(http.StatusInternalServerError, err)
+ return
+ }
+ serialized, err := trace.Serialize()
+ if err != nil {
+ _ = c.AbortWithError(http.StatusInternalServerError, err)
+ return
+ }
+ metrics.MtrOutBytesHttp.Add(float64(len(blob)))
+ metrics.BlobDownloadCount.Inc()
+ metrics.HttpDownloadCount.Inc()
+ c.Header("Via", serialized)
+ c.Header("Content-Disposition", "filename="+hash)
+ c.Data(http.StatusOK, "application/octet-stream", blob)
+}
+
+func (s *Server) hasBlob(c *gin.Context) {
+ hash := c.Query("hash")
+ has, err := s.store.Has(hash)
+ if err != nil {
+ _ = c.AbortWithError(http.StatusInternalServerError, err)
+ return
+ }
+ if has {
+ c.Status(http.StatusNoContent)
+ return
+ }
+ c.Status(http.StatusNotFound)
+}
diff --git a/server/http/server.go b/server/http/server.go
new file mode 100644
index 0000000..adc104f
--- /dev/null
+++ b/server/http/server.go
@@ -0,0 +1,68 @@
+package http
+
+import (
+ "context"
+ "net/http"
+ "time"
+
+ "github.com/gin-gonic/gin"
+ "github.com/lbryio/lbry.go/v2/extras/stop"
+ "github.com/lbryio/reflector.go/store"
+ log "github.com/sirupsen/logrus"
+)
+
+// Server is an instance of a peer server that houses the listener and store.
+type Server struct {
+ store store.BlobStore
+ grp *stop.Group
+}
+
+// NewServer returns an initialized Server pointer.
+func NewServer(store store.BlobStore) *Server {
+ return &Server{
+ store: store,
+ grp: stop.New(),
+ }
+}
+
+// Shutdown gracefully shuts down the peer server.
+func (s *Server) Shutdown() {
+ log.Debug("shutting down HTTP server")
+ s.grp.StopAndWait()
+ log.Debug("HTTP server stopped")
+}
+
+// Start starts the server listener to handle connections.
+func (s *Server) Start(address string) error {
+ gin.SetMode(gin.ReleaseMode)
+ router := gin.Default()
+ router.GET("/blob", s.getBlob)
+ router.HEAD("/blob", s.hasBlob)
+ srv := &http.Server{
+ Addr: address,
+ Handler: router,
+ }
+ go s.listenForShutdown(srv)
+ // Initializing the server in a goroutine so that
+ // it won't block the graceful shutdown handling below
+ s.grp.Add(1)
+ go func() {
+ defer s.grp.Done()
+ log.Println("HTTP server listening on " + address)
+ if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+ log.Fatalf("listen: %s\n", err)
+ }
+ }()
+ return nil
+}
+
+func (s *Server) listenForShutdown(listener *http.Server) {
+ <-s.grp.Ch()
+ // The context is used to inform the server it has 5 seconds to finish
+ // the request it is currently handling
+ ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+ defer cancel()
+ if err := listener.Shutdown(ctx); err != nil {
+ log.Fatal("Server forced to shutdown:", err)
+ }
+}
diff --git a/shared/errors.go b/shared/errors.go
new file mode 100644
index 0000000..f103394
--- /dev/null
+++ b/shared/errors.go
@@ -0,0 +1,6 @@
+package shared
+
+import "github.com/lbryio/lbry.go/v2/extras/errors"
+
+//ErrNotImplemented is a standard error when a store that implements the store interface does not implement a method
+var ErrNotImplemented = errors.Base("this store does not implement this method")
diff --git a/shared/shared.go b/shared/shared.go
new file mode 100644
index 0000000..c232cf6
--- /dev/null
+++ b/shared/shared.go
@@ -0,0 +1,82 @@
+package shared
+
+import (
+ "encoding/json"
+ "fmt"
+ "os"
+ "time"
+
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+)
+
+type BlobStack struct {
+ Timing time.Duration `json:"timing"`
+ OriginName string `json:"origin_name"`
+ HostName string `json:"host_name"`
+}
+type BlobTrace struct {
+ Stacks []BlobStack `json:"stacks"`
+}
+
+var hostName *string
+
+func getHostName() string {
+ if hostName == nil {
+ hn, err := os.Hostname()
+ if err != nil {
+ hn = "unknown"
+ }
+ hostName = &hn
+ }
+ return *hostName
+}
+func (b *BlobTrace) Stack(timing time.Duration, originName string) BlobTrace {
+ b.Stacks = append(b.Stacks, BlobStack{
+ Timing: timing,
+ OriginName: originName,
+ HostName: getHostName(),
+ })
+ return *b
+}
+func (b *BlobTrace) Merge(otherTrance BlobTrace) BlobTrace {
+ b.Stacks = append(b.Stacks, otherTrance.Stacks...)
+ return *b
+}
+func NewBlobTrace(timing time.Duration, originName string) BlobTrace {
+ b := BlobTrace{}
+ b.Stacks = append(b.Stacks, BlobStack{
+ Timing: timing,
+ OriginName: originName,
+ HostName: getHostName(),
+ })
+ return b
+}
+
+func (b BlobTrace) String() string {
+ var fullTrace string
+ for i, stack := range b.Stacks {
+ delta := time.Duration(0)
+ if i > 0 {
+ delta = stack.Timing - b.Stacks[i-1].Timing
+ }
+ fullTrace += fmt.Sprintf("[%d](%s) origin: %s - timing: %s - delta: %s\n", i, stack.HostName, stack.OriginName, stack.Timing.String(), delta.String())
+ }
+ return fullTrace
+}
+
+func (b BlobTrace) Serialize() (string, error) {
+ t, err := json.Marshal(b)
+ if err != nil {
+ return "", errors.Err(err)
+ }
+ return string(t), nil
+}
+
+func Deserialize(serializedData string) (*BlobTrace, error) {
+ var trace BlobTrace
+ err := json.Unmarshal([]byte(serializedData), &trace)
+ if err != nil {
+ return nil, errors.Err(err)
+ }
+ return &trace, nil
+}
diff --git a/shared/shared_test.go b/shared/shared_test.go
new file mode 100644
index 0000000..50a4eb7
--- /dev/null
+++ b/shared/shared_test.go
@@ -0,0 +1,44 @@
+package shared
+
+import (
+ "os"
+ "testing"
+ "time"
+
+ "github.com/stretchr/testify/assert"
+ "github.com/stretchr/testify/require"
+)
+
+func TestBlobTrace_Serialize(t *testing.T) {
+ hostName, err := os.Hostname()
+ require.NoError(t, err)
+
+ stack := NewBlobTrace(10*time.Second, "test")
+ stack.Stack(20*time.Second, "test2")
+ stack.Stack(30*time.Second, "test3")
+ serialized, err := stack.Serialize()
+ require.NoError(t, err)
+
+ expected := `{"stacks":[{"timing":10000000000,"origin_name":"test","host_name":"` +
+ hostName +
+ `"},{"timing":20000000000,"origin_name":"test2","host_name":"` +
+ hostName +
+ `"},{"timing":30000000000,"origin_name":"test3","host_name":"` +
+ hostName +
+ `"}]}`
+ assert.Equal(t, expected, serialized)
+}
+
+func TestBlobTrace_Deserialize(t *testing.T) {
+ serialized := `{"stacks":[{"timing":10000000000,"origin_name":"test"},{"timing":20000000000,"origin_name":"test2"},{"timing":30000000000,"origin_name":"test3"}]}`
+ stack, err := Deserialize(serialized)
+ require.NoError(t, err)
+
+ assert.Len(t, stack.Stacks, 3)
+ assert.Equal(t, stack.Stacks[0].Timing, 10*time.Second)
+ assert.Equal(t, stack.Stacks[1].Timing, 20*time.Second)
+ assert.Equal(t, stack.Stacks[2].Timing, 30*time.Second)
+ assert.Equal(t, stack.Stacks[0].OriginName, "test")
+ assert.Equal(t, stack.Stacks[1].OriginName, "test2")
+ assert.Equal(t, stack.Stacks[2].OriginName, "test3")
+}
diff --git a/store/caching.go b/store/caching.go
index 0a06395..65b6397 100644
--- a/store/caching.go
+++ b/store/caching.go
@@ -5,6 +5,8 @@ import (
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
+ log "github.com/sirupsen/logrus"
"github.com/lbryio/reflector.go/internal/metrics"
)
@@ -22,7 +24,7 @@ func NewCachingStore(component string, origin, cache BlobStore) *CachingStore {
return &CachingStore{
component: component,
origin: WithSingleFlight(component, origin),
- cache: cache,
+ cache: WithSingleFlight(component, cache),
}
}
@@ -42,9 +44,9 @@ func (c *CachingStore) Has(hash string) (bool, error) {
// Get tries to get the blob from the cache first, falling back to the origin. If the blob comes
// from the origin, it is also stored in the cache.
-func (c *CachingStore) Get(hash string) (stream.Blob, error) {
+func (c *CachingStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
start := time.Now()
- blob, err := c.cache.Get(hash)
+ blob, trace, err := c.cache.Get(hash)
if err == nil || !errors.Is(err, ErrBlobNotFound) {
metrics.CacheHitCount.With(metrics.CacheLabels(c.cache.Name(), c.component)).Inc()
rate := float64(len(blob)) / 1024 / 1024 / time.Since(start).Seconds()
@@ -53,18 +55,26 @@ func (c *CachingStore) Get(hash string) (stream.Blob, error) {
metrics.LabelComponent: c.component,
metrics.LabelSource: "cache",
}).Set(rate)
- return blob, err
+ return blob, trace.Stack(time.Since(start), c.Name()), err
}
metrics.CacheMissCount.With(metrics.CacheLabels(c.cache.Name(), c.component)).Inc()
- blob, err = c.origin.Get(hash)
+ blob, trace, err = c.origin.Get(hash)
if err != nil {
- return nil, err
+ return nil, trace.Stack(time.Since(start), c.Name()), err
}
-
- err = c.cache.Put(hash, blob)
- return blob, err
+ // there is no need to wait for the blob to be stored before we return it
+ // TODO: however this should be refactored to limit the amount of routines that the process can spawn to avoid a possible DoS
+ metrics.RoutinesQueue.WithLabelValues("store", "cache-put").Inc()
+ go func() {
+ defer metrics.RoutinesQueue.WithLabelValues("store", "cache-put").Dec()
+ err = c.cache.Put(hash, blob)
+ if err != nil {
+ log.Errorf("error saving blob to underlying cache: %s", errors.FullTrace(err))
+ }
+ }()
+ return blob, trace.Stack(time.Since(start), c.Name()), nil
}
// Put stores the blob in the origin and the cache
@@ -93,3 +103,10 @@ func (c *CachingStore) Delete(hash string) error {
}
return c.cache.Delete(hash)
}
+
+// Shutdown shuts down the store gracefully
+func (c *CachingStore) Shutdown() {
+ c.origin.Shutdown()
+ c.cache.Shutdown()
+ return
+}
diff --git a/store/caching_test.go b/store/caching_test.go
index 34f928c..66a42fd 100644
--- a/store/caching_test.go
+++ b/store/caching_test.go
@@ -7,6 +7,7 @@ import (
"time"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
)
func TestCachingStore_Put(t *testing.T) {
@@ -51,13 +52,14 @@ func TestCachingStore_CacheMiss(t *testing.T) {
t.Fatal(err)
}
- res, err := s.Get(hash)
+ res, stack, err := s.Get(hash)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(b, res) {
t.Errorf("expected Get() to return %s, got %s", string(b), string(res))
}
+ time.Sleep(10 * time.Millisecond) //storing to cache is done async so let's give it some time
has, err := cache.Has(hash)
if err != nil {
@@ -66,14 +68,16 @@ func TestCachingStore_CacheMiss(t *testing.T) {
if !has {
t.Errorf("Get() did not copy blob to cache")
}
+ t.Logf("stack: %s", stack.String())
- res, err = cache.Get(hash)
+ res, stack, err = cache.Get(hash)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(b, res) {
t.Errorf("expected cached Get() to return %s, got %s", string(b), string(res))
}
+ t.Logf("stack: %s", stack.String())
}
func TestCachingStore_ThunderingHerd(t *testing.T) {
@@ -92,7 +96,7 @@ func TestCachingStore_ThunderingHerd(t *testing.T) {
wg := &sync.WaitGroup{}
getNoErr := func() {
- res, err := s.Get(hash)
+ res, _, err := s.Get(hash)
if err != nil {
t.Fatal(err)
}
@@ -148,7 +152,7 @@ func (s *SlowBlobStore) Has(hash string) (bool, error) {
return s.mem.Has(hash)
}
-func (s *SlowBlobStore) Get(hash string) (stream.Blob, error) {
+func (s *SlowBlobStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
time.Sleep(s.delay)
return s.mem.Get(hash)
}
@@ -167,3 +171,7 @@ func (s *SlowBlobStore) Delete(hash string) error {
time.Sleep(s.delay)
return s.mem.Delete(hash)
}
+
+func (s *SlowBlobStore) Shutdown() {
+ return
+}
diff --git a/store/cloudfront_ro.go b/store/cloudfront_ro.go
index a914285..757174c 100644
--- a/store/cloudfront_ro.go
+++ b/store/cloudfront_ro.go
@@ -6,11 +6,11 @@ import (
"net/http"
"time"
- "github.com/lbryio/reflector.go/internal/metrics"
- "github.com/lbryio/reflector.go/meta"
-
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/meta"
+ "github.com/lbryio/reflector.go/shared"
log "github.com/sirupsen/logrus"
)
@@ -49,30 +49,30 @@ func (c *CloudFrontROStore) Has(hash string) (bool, error) {
}
// Get gets the blob from Cloudfront.
-func (c *CloudFrontROStore) Get(hash string) (stream.Blob, error) {
+func (c *CloudFrontROStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
log.Debugf("Getting %s from S3", hash[:8])
+ start := time.Now()
defer func(t time.Time) {
log.Debugf("Getting %s from S3 took %s", hash[:8], time.Since(t).String())
- }(time.Now())
+ }(start)
status, body, err := c.cfRequest(http.MethodGet, hash)
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), c.Name()), err
}
defer body.Close()
-
switch status {
case http.StatusNotFound, http.StatusForbidden:
- return nil, errors.Err(ErrBlobNotFound)
+ return nil, shared.NewBlobTrace(time.Since(start), c.Name()), errors.Err(ErrBlobNotFound)
case http.StatusOK:
b, err := ioutil.ReadAll(body)
if err != nil {
- return nil, errors.Err(err)
+ return nil, shared.NewBlobTrace(time.Since(start), c.Name()), errors.Err(err)
}
metrics.MtrInBytesS3.Add(float64(len(b)))
- return b, nil
+ return b, shared.NewBlobTrace(time.Since(start), c.Name()), nil
default:
- return nil, errors.Err("unexpected status %d", status)
+ return nil, shared.NewBlobTrace(time.Since(start), c.Name()), errors.Err("unexpected status %d", status)
}
}
@@ -93,13 +93,18 @@ func (c *CloudFrontROStore) cfRequest(method, hash string) (int, io.ReadCloser,
}
func (c *CloudFrontROStore) Put(_ string, _ stream.Blob) error {
- panic("CloudFrontROStore cannot do writes. Use CloudFrontRWStore")
+ return errors.Err(shared.ErrNotImplemented)
}
func (c *CloudFrontROStore) PutSD(_ string, _ stream.Blob) error {
- panic("CloudFrontROStore cannot do writes. Use CloudFrontRWStore")
+ return errors.Err(shared.ErrNotImplemented)
}
func (c *CloudFrontROStore) Delete(_ string) error {
- panic("CloudFrontROStore cannot do writes. Use CloudFrontRWStore")
+ return errors.Err(shared.ErrNotImplemented)
+}
+
+// Shutdown shuts down the store gracefully
+func (c *CloudFrontROStore) Shutdown() {
+ return
}
diff --git a/store/cloudfront_rw.go b/store/cloudfront_rw.go
index ee771da..6b293a8 100644
--- a/store/cloudfront_rw.go
+++ b/store/cloudfront_rw.go
@@ -1,18 +1,21 @@
package store
import (
+ "time"
+
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
)
-// CloudFrontRWStore combines a Cloudfront and an S3 store. Reads go to Cloudfront, writes go to S3.
+// CloudFrontRWStore combines a Cloudfront and an S3 store. Reads go to Cloudfront/Wasabi, writes go to S3.
type CloudFrontRWStore struct {
- cf *CloudFrontROStore
+ cf *ITTTStore
s3 *S3Store
}
// NewCloudFrontRWStore returns an initialized CloudFrontRWStore store pointer.
// NOTE: It panics if either argument is nil.
-func NewCloudFrontRWStore(cf *CloudFrontROStore, s3 *S3Store) *CloudFrontRWStore {
+func NewCloudFrontRWStore(cf *ITTTStore, s3 *S3Store) *CloudFrontRWStore {
if cf == nil || s3 == nil {
panic("both stores must be set")
}
@@ -30,8 +33,10 @@ func (c *CloudFrontRWStore) Has(hash string) (bool, error) {
}
// Get gets the blob from Cloudfront.
-func (c *CloudFrontRWStore) Get(hash string) (stream.Blob, error) {
- return c.cf.Get(hash)
+func (c *CloudFrontRWStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ blob, trace, err := c.cf.Get(hash)
+ return blob, trace.Stack(time.Since(start), c.Name()), err
}
// Put stores the blob on S3
@@ -48,3 +53,10 @@ func (c *CloudFrontRWStore) PutSD(hash string, blob stream.Blob) error {
func (c *CloudFrontRWStore) Delete(hash string) error {
return c.s3.Delete(hash)
}
+
+// Shutdown shuts down the store gracefully
+func (c *CloudFrontRWStore) Shutdown() {
+ c.s3.Shutdown()
+ c.cf.Shutdown()
+ return
+}
diff --git a/store/dbbacked.go b/store/dbbacked.go
index 59c47b5..90c9fed 100644
--- a/store/dbbacked.go
+++ b/store/dbbacked.go
@@ -3,26 +3,28 @@ package store
import (
"encoding/json"
"sync"
-
- "github.com/lbryio/reflector.go/db"
+ "time"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/db"
+ "github.com/lbryio/reflector.go/shared"
log "github.com/sirupsen/logrus"
)
// DBBackedStore is a store that's backed by a DB. The DB contains data about what's in the store.
type DBBackedStore struct {
- blobs BlobStore
- db *db.SQL
- blockedMu sync.RWMutex
- blocked map[string]bool
+ blobs BlobStore
+ db *db.SQL
+ blockedMu sync.RWMutex
+ blocked map[string]bool
+ deleteOnMiss bool
}
// NewDBBackedStore returns an initialized store pointer.
-func NewDBBackedStore(blobs BlobStore, db *db.SQL) *DBBackedStore {
- return &DBBackedStore{blobs: blobs, db: db}
+func NewDBBackedStore(blobs BlobStore, db *db.SQL, deleteOnMiss bool) *DBBackedStore {
+ return &DBBackedStore{blobs: blobs, db: db, deleteOnMiss: deleteOnMiss}
}
const nameDBBacked = "db-backed"
@@ -32,20 +34,29 @@ func (d *DBBackedStore) Name() string { return nameDBBacked }
// Has returns true if the blob is in the store
func (d *DBBackedStore) Has(hash string) (bool, error) {
- return d.db.HasBlob(hash)
+ return d.db.HasBlob(hash, false)
}
// Get gets the blob
-func (d *DBBackedStore) Get(hash string) (stream.Blob, error) {
- has, err := d.db.HasBlob(hash)
+func (d *DBBackedStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ has, err := d.db.HasBlob(hash, true)
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), d.Name()), err
}
if !has {
- return nil, ErrBlobNotFound
+ return nil, shared.NewBlobTrace(time.Since(start), d.Name()), ErrBlobNotFound
}
- return d.blobs.Get(hash)
+ b, stack, err := d.blobs.Get(hash)
+ if d.deleteOnMiss && errors.Is(err, ErrBlobNotFound) {
+ e2 := d.Delete(hash)
+ if e2 != nil {
+ log.Errorf("error while deleting blob from db: %s", errors.FullTrace(err))
+ }
+ }
+
+ return b, stack.Stack(time.Since(start), d.Name()), err
}
// Put stores the blob in the S3 store and stores the blob information in the DB.
@@ -100,7 +111,7 @@ func (d *DBBackedStore) Block(hash string) error {
return err
}
- has, err := d.db.HasBlob(hash)
+ has, err := d.db.HasBlob(hash, false)
if err != nil {
return err
}
@@ -182,3 +193,9 @@ func (d *DBBackedStore) initBlocked() error {
return err
}
+
+// Shutdown shuts down the store gracefully
+func (d *DBBackedStore) Shutdown() {
+ d.blobs.Shutdown()
+ return
+}
diff --git a/store/disk.go b/store/disk.go
index 2234971..5ef7006 100644
--- a/store/disk.go
+++ b/store/disk.go
@@ -1,15 +1,42 @@
package store
import (
+ "crypto/sha512"
+ "encoding/hex"
+ "fmt"
"io/ioutil"
"os"
"path"
+ "runtime"
+ "time"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
"github.com/lbryio/reflector.go/store/speedwalk"
+ log "github.com/sirupsen/logrus"
+ "go.uber.org/atomic"
)
+func init() {
+ writeCh = make(chan writeRequest)
+ for i := 0; i < runtime.NumCPU(); i++ {
+ go func() {
+ for {
+ select {
+ case r := <-writeCh:
+ err := ioutil.WriteFile(r.filename, r.data, r.perm)
+ if err != nil {
+ log.Errorf("could not write file %s to disk, failed with error: %s", r.filename, err.Error())
+ }
+ }
+ }
+ }()
+ }
+}
+
+var writeCh chan writeRequest
+
// DiskStore stores blobs on a local disk
type DiskStore struct {
// the location of blobs on disk
@@ -19,8 +46,12 @@ type DiskStore struct {
// true if initOnce ran, false otherwise
initialized bool
+
+ concurrentChecks atomic.Int32
}
+const maxConcurrentChecks = 3
+
// NewDiskStore returns an initialized file disk store pointer.
func NewDiskStore(dir string, prefixLength int) *DiskStore {
return &DiskStore{
@@ -52,21 +83,40 @@ func (d *DiskStore) Has(hash string) (bool, error) {
}
// Get returns the blob or an error if the blob doesn't exist.
-func (d *DiskStore) Get(hash string) (stream.Blob, error) {
+func (d *DiskStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
err := d.initOnce()
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), d.Name()), err
}
blob, err := ioutil.ReadFile(d.path(hash))
if err != nil {
if os.IsNotExist(err) {
- return nil, errors.Err(ErrBlobNotFound)
+ return nil, shared.NewBlobTrace(time.Since(start), d.Name()), errors.Err(ErrBlobNotFound)
}
- return nil, errors.Err(err)
+ return nil, shared.NewBlobTrace(time.Since(start), d.Name()), errors.Err(err)
}
- return blob, nil
+ // this is a rather poor yet effective way of throttling how many blobs can be checked concurrently
+ // poor because there is a possible race condition between the check and the actual +1
+ if d.concurrentChecks.Load() < maxConcurrentChecks {
+ d.concurrentChecks.Add(1)
+ defer d.concurrentChecks.Sub(1)
+ hashBytes := sha512.Sum384(blob)
+ readHash := hex.EncodeToString(hashBytes[:])
+ if hash != readHash {
+ message := fmt.Sprintf("[%s] found a broken blob while reading from disk. Actual hash: %s", hash, readHash)
+ log.Errorf("%s", message)
+ err := d.Delete(hash)
+ if err != nil {
+ return nil, shared.NewBlobTrace(time.Since(start), d.Name()), err
+ }
+ return nil, shared.NewBlobTrace(time.Since(start), d.Name()), errors.Err(message)
+ }
+ }
+
+ return blob, shared.NewBlobTrace(time.Since(start), d.Name()), nil
}
// Put stores the blob on disk
@@ -80,8 +130,7 @@ func (d *DiskStore) Put(hash string, blob stream.Blob) error {
if err != nil {
return err
}
-
- err = ioutil.WriteFile(d.path(hash), blob, 0644)
+ writeFile(d.path(hash), blob, 0644)
return errors.Err(err)
}
@@ -147,3 +196,22 @@ func (d *DiskStore) initOnce() error {
d.initialized = true
return nil
}
+
+type writeRequest struct {
+ filename string
+ data []byte
+ perm os.FileMode
+}
+
+// Shutdown shuts down the store gracefully
+func (d *DiskStore) Shutdown() {
+ return
+}
+
+func writeFile(filename string, data []byte, perm os.FileMode) {
+ writeCh <- writeRequest{
+ filename: filename,
+ data: data,
+ perm: perm,
+ }
+}
diff --git a/store/disk_test.go b/store/disk_test.go
index 3bc088a..1ab3f05 100644
--- a/store/disk_test.go
+++ b/store/disk_test.go
@@ -19,7 +19,7 @@ func TestDiskStore_Get(t *testing.T) {
defer os.RemoveAll(tmpDir)
d := NewDiskStore(tmpDir, 2)
- hash := "1234567890"
+ hash := "f428b8265d65dad7f8ffa52922bba836404cbd62f3ecfe10adba6b444f8f658938e54f5981ac4de39644d5b93d89a94b"
data := []byte("oyuntyausntoyaunpdoyruoyduanrstjwfjyuwf")
expectedPath := path.Join(tmpDir, hash[:2], hash)
@@ -28,7 +28,7 @@ func TestDiskStore_Get(t *testing.T) {
err = ioutil.WriteFile(expectedPath, data, os.ModePerm)
require.NoError(t, err)
- blob, err := d.Get(hash)
+ blob, _, err := d.Get(hash)
assert.NoError(t, err)
assert.EqualValues(t, data, blob)
}
@@ -39,7 +39,7 @@ func TestDiskStore_GetNonexistentBlob(t *testing.T) {
defer os.RemoveAll(tmpDir)
d := NewDiskStore(tmpDir, 2)
- blob, err := d.Get("nonexistent")
+ blob, _, err := d.Get("nonexistent")
assert.Nil(t, blob)
assert.True(t, errors.Is(err, ErrBlobNotFound))
}
diff --git a/store/http.go b/store/http.go
new file mode 100644
index 0000000..c24169a
--- /dev/null
+++ b/store/http.go
@@ -0,0 +1,160 @@
+package store
+
+import (
+ "bytes"
+ "io"
+ "io/ioutil"
+ "net"
+ "net/http"
+ "sync"
+ "time"
+
+ "github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/shared"
+
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+ "github.com/lbryio/lbry.go/v2/stream"
+)
+
+// NoopStore is a store that does nothing
+type HttpStore struct {
+ upstream string
+ httpClient *http.Client
+}
+
+func NewHttpStore(upstream string) *HttpStore {
+ return &HttpStore{
+ upstream: "http://" + upstream,
+ httpClient: getClient(),
+ }
+}
+
+const nameHttp = "http"
+
+func (n *HttpStore) Name() string { return nameNoop }
+func (n *HttpStore) Has(hash string) (bool, error) {
+ url := n.upstream + "/blob?hash=" + hash
+
+ req, err := http.NewRequest("HEAD", url, nil)
+ if err != nil {
+ return false, errors.Err(err)
+ }
+
+ res, err := n.httpClient.Do(req)
+ if err != nil {
+ return false, errors.Err(err)
+ }
+ defer res.Body.Close()
+ if res.StatusCode == http.StatusNotFound {
+ return false, nil
+ }
+ if res.StatusCode == http.StatusNoContent {
+ return true, nil
+ }
+ var body []byte
+ if res.Body != nil {
+ body, _ = ioutil.ReadAll(res.Body)
+ }
+ return false, errors.Err("upstream error. Status code: %d (%s)", res.StatusCode, string(body))
+}
+
+func (n *HttpStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ url := n.upstream + "/blob?hash=" + hash
+
+ req, err := http.NewRequest("GET", url, nil)
+ if err != nil {
+ return nil, shared.NewBlobTrace(time.Since(start), n.Name()), errors.Err(err)
+ }
+
+ res, err := n.httpClient.Do(req)
+ if err != nil {
+ return nil, shared.NewBlobTrace(time.Since(start), n.Name()), errors.Err(err)
+ }
+ defer res.Body.Close()
+ tmp := getBuffer()
+ defer putBuffer(tmp)
+ serialized := res.Header.Get("Via")
+ trace := shared.NewBlobTrace(time.Since(start), n.Name())
+ if serialized != "" {
+ parsedTrace, err := shared.Deserialize(serialized)
+ if err != nil {
+ return nil, shared.NewBlobTrace(time.Since(start), n.Name()), err
+ }
+ trace = *parsedTrace
+ }
+
+ if res.StatusCode == http.StatusNotFound {
+ return nil, trace.Stack(time.Since(start), n.Name()), ErrBlobNotFound
+ }
+ if res.StatusCode == http.StatusOK {
+ written, err := io.Copy(tmp, res.Body)
+ if err != nil {
+ return nil, trace.Stack(time.Since(start), n.Name()), errors.Err(err)
+ }
+
+ blob := make([]byte, written)
+ copy(blob, tmp.Bytes())
+ metrics.MtrInBytesHttp.Add(float64(len(blob)))
+ return blob, trace.Stack(time.Since(start), n.Name()), nil
+ }
+ var body []byte
+ if res.Body != nil {
+ body, _ = ioutil.ReadAll(res.Body)
+ }
+
+ return nil, trace.Stack(time.Since(start), n.Name()), errors.Err("upstream error. Status code: %d (%s)", res.StatusCode, string(body))
+}
+
+func (n *HttpStore) Put(string, stream.Blob) error {
+ return shared.ErrNotImplemented
+}
+func (n *HttpStore) PutSD(string, stream.Blob) error {
+ return shared.ErrNotImplemented
+}
+func (n *HttpStore) Delete(string) error {
+ return shared.ErrNotImplemented
+}
+func (n *HttpStore) Shutdown() { return }
+
+// buffer pool to reduce GC
+// https://www.captaincodeman.com/2017/06/02/golang-buffer-pool-gotcha
+var buffers = sync.Pool{
+ // New is called when a new instance is needed
+ New: func() interface{} {
+ buf := make([]byte, 0, stream.MaxBlobSize)
+ return bytes.NewBuffer(buf)
+ },
+}
+
+// getBuffer fetches a buffer from the pool
+func getBuffer() *bytes.Buffer {
+ return buffers.Get().(*bytes.Buffer)
+}
+
+// putBuffer returns a buffer to the pool
+func putBuffer(buf *bytes.Buffer) {
+ buf.Reset()
+ buffers.Put(buf)
+}
+
+// getClient gets an http client that's customized to be more performant when dealing with blobs of 2MB in size (most of our blobs)
+func getClient() *http.Client {
+ // Customize the Transport to have larger connection pool
+ defaultTransport := &http.Transport{
+ DialContext: (&net.Dialer{
+ Timeout: 30 * time.Second,
+ KeepAlive: 30 * time.Second,
+ }).DialContext,
+ ForceAttemptHTTP2: true,
+ MaxIdleConns: 100,
+ IdleConnTimeout: 90 * time.Second,
+ TLSHandshakeTimeout: 10 * time.Second,
+ ExpectContinueTimeout: 1 * time.Second,
+ DisableCompression: true,
+ MaxIdleConnsPerHost: 100,
+ ReadBufferSize: stream.MaxBlobSize + 1024*10, //add an extra few KBs to make sure it fits the extra information
+ }
+
+ return &http.Client{Transport: defaultTransport}
+}
diff --git a/store/ittt.go b/store/ittt.go
new file mode 100644
index 0000000..5edc67d
--- /dev/null
+++ b/store/ittt.go
@@ -0,0 +1,75 @@
+package store
+
+import (
+ "time"
+
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+ "github.com/lbryio/lbry.go/v2/stream"
+
+ "github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/shared"
+)
+
+// ITTT store performs an operation on this storage, if this fails, it attempts to run it on that
+type ITTTStore struct {
+ this, that BlobStore
+}
+
+// NewCachingStore makes a new caching disk store and returns a pointer to it.
+func NewITTTStore(this, that BlobStore) *ITTTStore {
+ return &ITTTStore{
+ this: this,
+ that: that,
+ }
+}
+
+const nameIttt = "ittt"
+
+// Name is the cache type name
+func (c *ITTTStore) Name() string { return nameIttt }
+
+// Has checks the cache and then the origin for a hash. It returns true if either store has it.
+func (c *ITTTStore) Has(hash string) (bool, error) {
+ has, err := c.this.Has(hash)
+ if err != nil || !has {
+ has, err = c.that.Has(hash)
+ }
+ return has, err
+}
+
+// Get tries to get the blob from this first, falling back to that.
+func (c *ITTTStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ blob, trace, err := c.this.Get(hash)
+ if err == nil {
+ metrics.ThisHitCount.Inc()
+ return blob, trace.Stack(time.Since(start), c.Name()), err
+ }
+
+ blob, trace, err = c.that.Get(hash)
+ if err != nil {
+ return nil, trace.Stack(time.Since(start), c.Name()), err
+ }
+ metrics.ThatHitCount.Inc()
+ return blob, trace.Stack(time.Since(start), c.Name()), nil
+}
+
+// Put not implemented
+func (c *ITTTStore) Put(hash string, blob stream.Blob) error {
+ return errors.Err(shared.ErrNotImplemented)
+}
+
+// PutSD not implemented
+func (c *ITTTStore) PutSD(hash string, blob stream.Blob) error {
+ return errors.Err(shared.ErrNotImplemented)
+}
+
+// Delete not implemented
+func (c *ITTTStore) Delete(hash string) error {
+ return errors.Err(shared.ErrNotImplemented)
+}
+
+// Shutdown shuts down the store gracefully
+func (c *ITTTStore) Shutdown() {
+ return
+}
diff --git a/store/lfuda.go b/store/lfuda.go
new file mode 100644
index 0000000..b0437b0
--- /dev/null
+++ b/store/lfuda.go
@@ -0,0 +1,132 @@
+package store
+
+import (
+ "time"
+
+ "github.com/bparli/lfuda-go"
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+ "github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/shared"
+ "github.com/sirupsen/logrus"
+)
+
+// LRUStore adds a max cache size and LRU eviction to a BlobStore
+type LFUDAStore struct {
+ // underlying store
+ store BlobStore
+ // lfuda implementation
+ lfuda *lfuda.Cache
+}
+
+// NewLRUStore initialize a new LRUStore
+func NewLFUDAStore(component string, store BlobStore, maxSize float64) *LFUDAStore {
+ lfuda := lfuda.NewGDSFWithEvict(maxSize, func(key interface{}, value interface{}) {
+ metrics.CacheLRUEvictCount.With(metrics.CacheLabels(store.Name(), component)).Inc()
+ _ = store.Delete(key.(string)) // TODO: log this error. may happen if underlying entry is gone but cache entry still there
+ })
+ l := &LFUDAStore{
+ store: store,
+ lfuda: lfuda,
+ }
+ go func() {
+ if lstr, ok := store.(lister); ok {
+ err := l.loadExisting(lstr, int(maxSize))
+ if err != nil {
+ panic(err) // TODO: what should happen here? panic? return nil? just keep going?
+ }
+ }
+ }()
+
+ return l
+}
+
+const nameLFUDA = "lfuda"
+
+// Name is the cache type name
+func (l *LFUDAStore) Name() string { return nameLFUDA }
+
+// Has returns whether the blob is in the store, without updating the recent-ness.
+func (l *LFUDAStore) Has(hash string) (bool, error) {
+ return l.lfuda.Contains(hash), nil
+}
+
+// Get returns the blob or an error if the blob doesn't exist.
+func (l *LFUDAStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ _, has := l.lfuda.Get(hash)
+ if !has {
+ return nil, shared.NewBlobTrace(time.Since(start), l.Name()), errors.Err(ErrBlobNotFound)
+ }
+ blob, stack, err := l.store.Get(hash)
+ if errors.Is(err, ErrBlobNotFound) {
+ // Blob disappeared from underlying store
+ l.lfuda.Remove(hash)
+ }
+ return blob, stack.Stack(time.Since(start), l.Name()), err
+}
+
+// Put stores the blob. Following LFUDA rules it's not guaranteed that a SET will store the value!!!
+func (l *LFUDAStore) Put(hash string, blob stream.Blob) error {
+ l.lfuda.Set(hash, true)
+ has, _ := l.Has(hash)
+ if has {
+ err := l.store.Put(hash, blob)
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// PutSD stores the sd blob. Following LFUDA rules it's not guaranteed that a SET will store the value!!!
+func (l *LFUDAStore) PutSD(hash string, blob stream.Blob) error {
+ l.lfuda.Set(hash, true)
+ has, _ := l.Has(hash)
+ if has {
+ err := l.store.PutSD(hash, blob)
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// Delete deletes the blob from the store
+func (l *LFUDAStore) Delete(hash string) error {
+ err := l.store.Delete(hash)
+ if err != nil {
+ return err
+ }
+
+ // This must come after store.Delete()
+ // Remove triggers onEvict function, which also tries to delete blob from store
+ // We need to delete it manually first so any errors can be propagated up
+ l.lfuda.Remove(hash)
+ return nil
+}
+
+// loadExisting imports existing blobs from the underlying store into the LRU cache
+func (l *LFUDAStore) loadExisting(store lister, maxItems int) error {
+ logrus.Infof("loading at most %d items", maxItems)
+ existing, err := store.list()
+ if err != nil {
+ return err
+ }
+ logrus.Infof("read %d files from underlying store", len(existing))
+
+ added := 0
+ for _, h := range existing {
+ l.lfuda.Set(h, true)
+ added++
+ if maxItems > 0 && added >= maxItems { // underlying cache is bigger than the cache
+ break
+ }
+ }
+ return nil
+}
+
+// Shutdown shuts down the store gracefully
+func (l *LFUDAStore) Shutdown() {
+ return
+}
diff --git a/store/lfuda_test.go b/store/lfuda_test.go
new file mode 100644
index 0000000..d8657ac
--- /dev/null
+++ b/store/lfuda_test.go
@@ -0,0 +1,136 @@
+package store
+
+import (
+ "io/ioutil"
+ "os"
+ "reflect"
+ "testing"
+ "time"
+
+ "github.com/lbryio/lbry.go/v2/extras/errors"
+
+ "github.com/stretchr/testify/assert"
+ "github.com/stretchr/testify/require"
+)
+
+const cacheMaxSize = 3
+
+func getTestLFUDAStore() (*LFUDAStore, *MemStore) {
+ m := NewMemStore()
+ return NewLFUDAStore("test", m, cacheMaxSize), m
+}
+
+func TestFUDAStore_Eviction(t *testing.T) {
+ lfuda, mem := getTestLFUDAStore()
+ b := []byte("x")
+ err := lfuda.Put("one", b)
+ require.NoError(t, err)
+ err = lfuda.Put("two", b)
+ require.NoError(t, err)
+ err = lfuda.Put("three", b)
+ require.NoError(t, err)
+ err = lfuda.Put("four", b)
+ require.NoError(t, err)
+ err = lfuda.Put("five", b)
+ require.NoError(t, err)
+ err = lfuda.Put("five", b)
+ require.NoError(t, err)
+ err = lfuda.Put("four", b)
+ require.NoError(t, err)
+ err = lfuda.Put("two", b)
+ require.NoError(t, err)
+
+ _, _, err = lfuda.Get("five")
+ require.NoError(t, err)
+ _, _, err = lfuda.Get("four")
+ require.NoError(t, err)
+ _, _, err = lfuda.Get("two")
+ require.NoError(t, err)
+ assert.Equal(t, cacheMaxBlobs, len(mem.Debug()))
+
+ for k, v := range map[string]bool{
+ "one": false,
+ "two": true,
+ "three": false,
+ "four": true,
+ "five": true,
+ "six": false,
+ } {
+ has, err := lfuda.Has(k)
+ assert.NoError(t, err)
+ assert.Equal(t, v, has)
+ }
+
+ lfuda.Get("two") // touch so it stays in cache
+ lfuda.Get("five") // touch so it stays in cache
+ lfuda.Put("six", b)
+
+ assert.Equal(t, cacheMaxBlobs, len(mem.Debug()))
+
+ for k, v := range map[string]bool{
+ "one": false,
+ "two": true,
+ "three": false,
+ "four": false,
+ "five": true,
+ "six": true,
+ } {
+ has, err := lfuda.Has(k)
+ assert.NoError(t, err)
+ assert.Equal(t, v, has)
+ }
+
+ err = lfuda.Delete("six")
+ assert.NoError(t, err)
+ err = lfuda.Delete("five")
+ assert.NoError(t, err)
+ err = lfuda.Delete("two")
+ assert.NoError(t, err)
+ assert.Equal(t, 0, len(mem.Debug()))
+}
+
+func TestFUDAStore_UnderlyingBlobMissing(t *testing.T) {
+ lfuda, mem := getTestLFUDAStore()
+ hash := "hash"
+ b := []byte("this is a blob of stuff")
+ err := lfuda.Put(hash, b)
+ require.NoError(t, err)
+
+ err = mem.Delete(hash)
+ require.NoError(t, err)
+
+ // hash still exists in lru
+ assert.True(t, lfuda.lfuda.Contains(hash))
+
+ blob, _, err := lfuda.Get(hash)
+ assert.Nil(t, blob)
+ assert.True(t, errors.Is(err, ErrBlobNotFound), "expected (%s) %s, got (%s) %s",
+ reflect.TypeOf(ErrBlobNotFound).String(), ErrBlobNotFound.Error(),
+ reflect.TypeOf(err).String(), err.Error())
+
+ // lru.Get() removes hash if underlying store doesn't have it
+ assert.False(t, lfuda.lfuda.Contains(hash))
+}
+
+func TestFUDAStore_loadExisting(t *testing.T) {
+ tmpDir, err := ioutil.TempDir("", "reflector_test_*")
+ require.NoError(t, err)
+ defer os.RemoveAll(tmpDir)
+ d := NewDiskStore(tmpDir, 2)
+
+ hash := "hash"
+ b := []byte("this is a blob of stuff")
+ err = d.Put(hash, b)
+ require.NoError(t, err)
+
+ existing, err := d.list()
+ require.NoError(t, err)
+ require.Equal(t, 1, len(existing), "blob should exist in cache")
+ assert.Equal(t, hash, existing[0])
+
+ lfuda := NewLFUDAStore("test", d, 3) // lru should load existing blobs when it's created
+ time.Sleep(100 * time.Millisecond) // async load so let's wait...
+ has, err := lfuda.Has(hash)
+ require.NoError(t, err)
+ assert.True(t, has, "hash should be loaded from disk store but it's not")
+}
diff --git a/store/lru.go b/store/lru.go
index 4ef4908..be6cd82 100644
--- a/store/lru.go
+++ b/store/lru.go
@@ -1,11 +1,16 @@
package store
import (
+ "time"
+
+ "github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/shared"
+
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
- "github.com/lbryio/reflector.go/internal/metrics"
- golru "github.com/hashicorp/golang-lru"
+ "github.com/bluele/gcache"
+ "github.com/sirupsen/logrus"
)
// LRUStore adds a max cache size and LRU eviction to a BlobStore
@@ -13,56 +18,54 @@ type LRUStore struct {
// underlying store
store BlobStore
// lru implementation
- lru *golru.Cache
+ lru gcache.Cache
}
// NewLRUStore initialize a new LRUStore
func NewLRUStore(component string, store BlobStore, maxItems int) *LRUStore {
- lru, err := golru.NewWithEvict(maxItems, func(key interface{}, value interface{}) {
- metrics.CacheLRUEvictCount.With(metrics.CacheLabels(store.Name(), component)).Inc()
- _ = store.Delete(key.(string)) // TODO: log this error. may happen if underlying entry is gone but cache entry still there
- })
- if err != nil {
- panic(err)
- }
-
l := &LRUStore{
store: store,
- lru: lru,
}
+ l.lru = gcache.New(maxItems).ARC().EvictedFunc(func(key, value interface{}) {
+ metrics.CacheLRUEvictCount.With(metrics.CacheLabels(l.Name(), component)).Inc()
+ _ = store.Delete(key.(string))
+ }).Build()
- if lstr, ok := store.(lister); ok {
- err = l.loadExisting(lstr, maxItems)
- if err != nil {
- panic(err) // TODO: what should happen here? panic? return nil? just keep going?
+ go func() {
+ if lstr, ok := store.(lister); ok {
+ err := l.loadExisting(lstr, maxItems)
+ if err != nil {
+ panic(err) // TODO: what should happen here? panic? return nil? just keep going?
+ }
}
- }
+ }()
return l
}
-const nameLRU = "lru"
-
// Name is the cache type name
-func (l *LRUStore) Name() string { return nameLRU }
+func (l *LRUStore) Name() string {
+ return "lru_" + l.store.Name()
+}
// Has returns whether the blob is in the store, without updating the recent-ness.
func (l *LRUStore) Has(hash string) (bool, error) {
- return l.lru.Contains(hash), nil
+ return l.lru.Has(hash), nil
}
// Get returns the blob or an error if the blob doesn't exist.
-func (l *LRUStore) Get(hash string) (stream.Blob, error) {
- _, has := l.lru.Get(hash)
- if !has {
- return nil, errors.Err(ErrBlobNotFound)
+func (l *LRUStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ _, err := l.lru.Get(hash)
+ if err != nil {
+ return nil, shared.NewBlobTrace(time.Since(start), l.Name()), errors.Err(ErrBlobNotFound)
}
- blob, err := l.store.Get(hash)
+ blob, stack, err := l.store.Get(hash)
if errors.Is(err, ErrBlobNotFound) {
// Blob disappeared from underlying store
l.lru.Remove(hash)
}
- return blob, err
+ return blob, stack.Stack(time.Since(start), l.Name()), err
}
// Put stores the blob
@@ -72,7 +75,7 @@ func (l *LRUStore) Put(hash string, blob stream.Blob) error {
return err
}
- l.lru.Add(hash, true)
+ l.lru.Set(hash, true)
return nil
}
@@ -83,7 +86,7 @@ func (l *LRUStore) PutSD(hash string, blob stream.Blob) error {
return err
}
- l.lru.Add(hash, true)
+ _ = l.lru.Set(hash, true)
return nil
}
@@ -103,14 +106,15 @@ func (l *LRUStore) Delete(hash string) error {
// loadExisting imports existing blobs from the underlying store into the LRU cache
func (l *LRUStore) loadExisting(store lister, maxItems int) error {
+ logrus.Infof("loading at most %d items", maxItems)
existing, err := store.list()
if err != nil {
return err
}
-
+ logrus.Infof("read %d files from disk", len(existing))
added := 0
for _, h := range existing {
- l.lru.Add(h, true)
+ l.lru.Set(h, true)
added++
if maxItems > 0 && added >= maxItems { // underlying cache is bigger than LRU cache
break
@@ -118,3 +122,8 @@ func (l *LRUStore) loadExisting(store lister, maxItems int) error {
}
return nil
}
+
+// Shutdown shuts down the store gracefully
+func (l *LRUStore) Shutdown() {
+ return
+}
diff --git a/store/lru_test.go b/store/lru_test.go
index 968956c..798d5c2 100644
--- a/store/lru_test.go
+++ b/store/lru_test.go
@@ -5,6 +5,7 @@ import (
"os"
"reflect"
"testing"
+ "time"
"github.com/lbryio/lbry.go/v2/extras/errors"
@@ -86,16 +87,16 @@ func TestLRUStore_UnderlyingBlobMissing(t *testing.T) {
require.NoError(t, err)
// hash still exists in lru
- assert.True(t, lru.lru.Contains(hash))
+ assert.True(t, lru.lru.Has(hash))
- blob, err := lru.Get(hash)
+ blob, _, err := lru.Get(hash)
assert.Nil(t, blob)
assert.True(t, errors.Is(err, ErrBlobNotFound), "expected (%s) %s, got (%s) %s",
reflect.TypeOf(ErrBlobNotFound).String(), ErrBlobNotFound.Error(),
reflect.TypeOf(err).String(), err.Error())
// lru.Get() removes hash if underlying store doesn't have it
- assert.False(t, lru.lru.Contains(hash))
+ assert.False(t, lru.lru.Has(hash))
}
func TestLRUStore_loadExisting(t *testing.T) {
@@ -114,7 +115,8 @@ func TestLRUStore_loadExisting(t *testing.T) {
require.Equal(t, 1, len(existing), "blob should exist in cache")
assert.Equal(t, hash, existing[0])
- lru := NewLRUStore("test", d, 3) // lru should load existing blobs when it's created
+ lru := NewLRUStore("test", d, 3) // lru should load existing blobs when it's created
+ time.Sleep(100 * time.Millisecond) // async load so let's wait...
has, err := lru.Has(hash)
require.NoError(t, err)
assert.True(t, has, "hash should be loaded from disk store but it's not")
diff --git a/store/memory.go b/store/memory.go
index f462a8d..30d8dea 100644
--- a/store/memory.go
+++ b/store/memory.go
@@ -2,9 +2,11 @@ package store
import (
"sync"
+ "time"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
)
// MemStore is an in memory only blob store with no persistence.
@@ -34,14 +36,15 @@ func (m *MemStore) Has(hash string) (bool, error) {
}
// Get returns the blob byte slice if present and errors if the blob is not found.
-func (m *MemStore) Get(hash string) (stream.Blob, error) {
+func (m *MemStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
m.mu.RLock()
defer m.mu.RUnlock()
blob, ok := m.blobs[hash]
if !ok {
- return nil, errors.Err(ErrBlobNotFound)
+ return nil, shared.NewBlobTrace(time.Since(start), m.Name()), errors.Err(ErrBlobNotFound)
}
- return blob, nil
+ return blob, shared.NewBlobTrace(time.Since(start), m.Name()), nil
}
// Put stores the blob in memory
@@ -71,3 +74,8 @@ func (m *MemStore) Debug() map[string]stream.Blob {
defer m.mu.RUnlock()
return m.blobs
}
+
+// Shutdown shuts down the store gracefully
+func (m *MemStore) Shutdown() {
+ return
+}
diff --git a/store/memory_test.go b/store/memory_test.go
index 8d85114..775850b 100644
--- a/store/memory_test.go
+++ b/store/memory_test.go
@@ -25,7 +25,7 @@ func TestMemStore_Get(t *testing.T) {
t.Error("error getting memory blob - ", err)
}
- gotBlob, err := s.Get(hash)
+ gotBlob, _, err := s.Get(hash)
if err != nil {
t.Errorf("Expected no error, got %v", err)
}
@@ -33,7 +33,7 @@ func TestMemStore_Get(t *testing.T) {
t.Error("Got blob that is different from expected blob")
}
- missingBlob, err := s.Get("nonexistent hash")
+ missingBlob, _, err := s.Get("nonexistent hash")
if err == nil {
t.Errorf("Expected ErrBlobNotFound, got nil")
}
diff --git a/store/noop.go b/store/noop.go
index 9e5d815..9cadf5c 100644
--- a/store/noop.go
+++ b/store/noop.go
@@ -1,15 +1,23 @@
package store
-import "github.com/lbryio/lbry.go/v2/stream"
+import (
+ "time"
+
+ "github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
+)
// NoopStore is a store that does nothing
type NoopStore struct{}
const nameNoop = "noop"
-func (n *NoopStore) Name() string { return nameNoop }
-func (n *NoopStore) Has(_ string) (bool, error) { return false, nil }
-func (n *NoopStore) Get(_ string) (stream.Blob, error) { return nil, nil }
+func (n *NoopStore) Name() string { return nameNoop }
+func (n *NoopStore) Has(_ string) (bool, error) { return false, nil }
+func (n *NoopStore) Get(_ string) (stream.Blob, shared.BlobTrace, error) {
+ return nil, shared.NewBlobTrace(time.Since(time.Now()), n.Name()), nil
+}
func (n *NoopStore) Put(_ string, _ stream.Blob) error { return nil }
func (n *NoopStore) PutSD(_ string, _ stream.Blob) error { return nil }
func (n *NoopStore) Delete(_ string) error { return nil }
+func (n *NoopStore) Shutdown() { return }
diff --git a/store/s3.go b/store/s3.go
index 53451be..75ba459 100644
--- a/store/s3.go
+++ b/store/s3.go
@@ -8,6 +8,7 @@ import (
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
"github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/shared"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
@@ -65,17 +66,18 @@ func (s *S3Store) Has(hash string) (bool, error) {
}
// Get returns the blob slice if present or errors on S3.
-func (s *S3Store) Get(hash string) (stream.Blob, error) {
+func (s *S3Store) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
//Todo-Need to handle error for blob doesn't exist for consistency.
err := s.initOnce()
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), s.Name()), err
}
log.Debugf("Getting %s from S3", hash[:8])
defer func(t time.Time) {
log.Debugf("Getting %s from S3 took %s", hash[:8], time.Since(t).String())
- }(time.Now())
+ }(start)
buf := &aws.WriteAtBuffer{}
_, err = s3manager.NewDownloader(s.session).Download(buf, &s3.GetObjectInput{
@@ -86,15 +88,15 @@ func (s *S3Store) Get(hash string) (stream.Blob, error) {
if aerr, ok := err.(awserr.Error); ok {
switch aerr.Code() {
case s3.ErrCodeNoSuchBucket:
- return nil, errors.Err("bucket %s does not exist", s.bucket)
+ return nil, shared.NewBlobTrace(time.Since(start), s.Name()), errors.Err("bucket %s does not exist", s.bucket)
case s3.ErrCodeNoSuchKey:
- return nil, errors.Err(ErrBlobNotFound)
+ return nil, shared.NewBlobTrace(time.Since(start), s.Name()), errors.Err(ErrBlobNotFound)
}
}
- return buf.Bytes(), err
+ return buf.Bytes(), shared.NewBlobTrace(time.Since(start), s.Name()), err
}
- return buf.Bytes(), nil
+ return buf.Bytes(), shared.NewBlobTrace(time.Since(start), s.Name()), nil
}
// Put stores the blob on S3 or errors if S3 connection errors.
@@ -110,10 +112,11 @@ func (s *S3Store) Put(hash string, blob stream.Blob) error {
}(time.Now())
_, err = s3manager.NewUploader(s.session).Upload(&s3manager.UploadInput{
- Bucket: aws.String(s.bucket),
- Key: aws.String(hash),
- Body: bytes.NewBuffer(blob),
- StorageClass: aws.String(s3.StorageClassIntelligentTiering),
+ Bucket: aws.String(s.bucket),
+ Key: aws.String(hash),
+ Body: bytes.NewBuffer(blob),
+ ACL: aws.String("public-read"),
+ //StorageClass: aws.String(s3.StorageClassIntelligentTiering),
})
metrics.MtrOutBytesReflector.Add(float64(blob.Size()))
@@ -150,6 +153,7 @@ func (s *S3Store) initOnce() error {
sess, err := session.NewSession(&aws.Config{
Credentials: credentials.NewStaticCredentials(s.awsID, s.awsSecret, ""),
Region: aws.String(s.region),
+ Endpoint: aws.String("https://s3.wasabisys.com"),
})
if err != nil {
return err
@@ -158,3 +162,8 @@ func (s *S3Store) initOnce() error {
s.session = sess
return nil
}
+
+// Shutdown shuts down the store gracefully
+func (s *S3Store) Shutdown() {
+ return
+}
diff --git a/store/singleflight.go b/store/singleflight.go
index fbe314f..02337a2 100644
--- a/store/singleflight.go
+++ b/store/singleflight.go
@@ -3,7 +3,9 @@ package store
import (
"time"
+ "github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/reflector.go/internal/metrics"
+ "github.com/lbryio/reflector.go/shared"
"github.com/lbryio/lbry.go/v2/stream"
@@ -29,39 +31,98 @@ func (s *singleflightStore) Name() string {
return "sf_" + s.BlobStore.Name()
}
+type getterResponse struct {
+ blob stream.Blob
+ stack shared.BlobTrace
+}
+
// Get ensures that only one request per hash is sent to the origin at a time,
// thereby protecting against https://en.wikipedia.org/wiki/Thundering_herd_problem
-func (s *singleflightStore) Get(hash string) (stream.Blob, error) {
- metrics.CacheWaitingRequestsCount.With(metrics.CacheLabels(s.BlobStore.Name(), s.component)).Inc()
- defer metrics.CacheWaitingRequestsCount.With(metrics.CacheLabels(s.BlobStore.Name(), s.component)).Dec()
+func (s *singleflightStore) Get(hash string) (stream.Blob, shared.BlobTrace, error) {
+ start := time.Now()
+ metrics.CacheWaitingRequestsCount.With(metrics.CacheLabels(s.Name(), s.component)).Inc()
+ defer metrics.CacheWaitingRequestsCount.With(metrics.CacheLabels(s.Name(), s.component)).Dec()
- blob, err, _ := s.sf.Do(hash, s.getter(hash))
+ gr, err, _ := s.sf.Do(hash, s.getter(hash))
if err != nil {
- return nil, err
+ return nil, shared.NewBlobTrace(time.Since(start), s.Name()), err
}
- return blob.(stream.Blob), nil
+ if gr == nil {
+ return nil, shared.NewBlobTrace(time.Since(start), s.Name()), errors.Err("getter response is nil")
+ }
+ rsp := gr.(getterResponse)
+ return rsp.blob, rsp.stack, nil
}
// getter returns a function that gets a blob from the origin
// only one getter per hash will be executing at a time
func (s *singleflightStore) getter(hash string) func() (interface{}, error) {
return func() (interface{}, error) {
- metrics.CacheOriginRequestsCount.With(metrics.CacheLabels(s.BlobStore.Name(), s.component)).Inc()
- defer metrics.CacheOriginRequestsCount.With(metrics.CacheLabels(s.BlobStore.Name(), s.component)).Dec()
+ metrics.CacheOriginRequestsCount.With(metrics.CacheLabels(s.Name(), s.component)).Inc()
+ defer metrics.CacheOriginRequestsCount.With(metrics.CacheLabels(s.Name(), s.component)).Dec()
start := time.Now()
- blob, err := s.BlobStore.Get(hash)
+ blob, stack, err := s.BlobStore.Get(hash)
+ if err != nil {
+ return getterResponse{
+ blob: nil,
+ stack: stack.Stack(time.Since(start), s.Name()),
+ }, err
+ }
+
+ rate := float64(len(blob)) / 1024 / 1024 / time.Since(start).Seconds()
+ metrics.CacheRetrievalSpeed.With(map[string]string{
+ metrics.LabelCacheType: s.Name(),
+ metrics.LabelComponent: s.component,
+ metrics.LabelSource: "origin",
+ }).Set(rate)
+
+ return getterResponse{
+ blob: blob,
+ stack: stack.Stack(time.Since(start), s.Name()),
+ }, nil
+ }
+}
+
+// Put ensures that only one request per hash is sent to the origin at a time,
+// thereby protecting against https://en.wikipedia.org/wiki/Thundering_herd_problem
+func (s *singleflightStore) Put(hash string, blob stream.Blob) error {
+ metrics.CacheWaitingRequestsCount.With(metrics.CacheLabels(s.Name(), s.component)).Inc()
+ defer metrics.CacheWaitingRequestsCount.With(metrics.CacheLabels(s.Name(), s.component)).Dec()
+
+ _, err, _ := s.sf.Do(hash, s.putter(hash, blob))
+ if err != nil {
+ return err
+ }
+ return nil
+}
+
+// putter returns a function that puts a blob from the origin
+// only one putter per hash will be executing at a time
+func (s *singleflightStore) putter(hash string, blob stream.Blob) func() (interface{}, error) {
+ return func() (interface{}, error) {
+ metrics.CacheOriginRequestsCount.With(metrics.CacheLabels(s.Name(), s.component)).Inc()
+ defer metrics.CacheOriginRequestsCount.With(metrics.CacheLabels(s.Name(), s.component)).Dec()
+
+ start := time.Now()
+ err := s.BlobStore.Put(hash, blob)
if err != nil {
return nil, err
}
rate := float64(len(blob)) / 1024 / 1024 / time.Since(start).Seconds()
metrics.CacheRetrievalSpeed.With(map[string]string{
- metrics.LabelCacheType: s.BlobStore.Name(),
+ metrics.LabelCacheType: s.Name(),
metrics.LabelComponent: s.component,
metrics.LabelSource: "origin",
}).Set(rate)
- return blob, nil
+ return nil, nil
}
}
+
+// Shutdown shuts down the store gracefully
+func (s *singleflightStore) Shutdown() {
+ s.BlobStore.Shutdown()
+ return
+}
diff --git a/store/speedwalk/speedwalk.go b/store/speedwalk/speedwalk.go
index e2563ba..1d4b981 100644
--- a/store/speedwalk/speedwalk.go
+++ b/store/speedwalk/speedwalk.go
@@ -6,6 +6,8 @@ import (
"runtime"
"sync"
+ "github.com/lbryio/reflector.go/internal/metrics"
+
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/karrick/godirwalk"
@@ -24,6 +26,7 @@ func AllFiles(startDir string, basename bool) ([]string, error) {
paths := make([]string, 0, 1000)
pathWG := &sync.WaitGroup{}
pathWG.Add(1)
+ metrics.RoutinesQueue.WithLabelValues("speedwalk", "worker").Inc()
go func() {
defer pathWG.Done()
for {
@@ -60,7 +63,6 @@ func AllFiles(startDir string, basename bool) ([]string, error) {
walkerWG.Done()
goroutineLimiter <- struct{}{}
}()
-
err = godirwalk.Walk(filepath.Join(startDir, dir), &godirwalk.Options{
Unsorted: true, // faster this way
Callback: func(osPathname string, de *godirwalk.Dirent) error {
@@ -84,6 +86,5 @@ func AllFiles(startDir string, basename bool) ([]string, error) {
close(pathChan)
pathWG.Wait()
-
return paths, nil
}
diff --git a/store/store.go b/store/store.go
index 200ff61..bd9223b 100644
--- a/store/store.go
+++ b/store/store.go
@@ -3,6 +3,7 @@ package store
import (
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/stream"
+ "github.com/lbryio/reflector.go/shared"
)
// BlobStore is an interface for handling blob storage.
@@ -12,13 +13,15 @@ type BlobStore interface {
// Does blob exist in the store.
Has(hash string) (bool, error)
// Get the blob from the store. Must return ErrBlobNotFound if blob is not in store.
- Get(hash string) (stream.Blob, error)
+ Get(hash string) (stream.Blob, shared.BlobTrace, error)
// Put the blob into the store.
Put(hash string, blob stream.Blob) error
// Put an SD blob into the store.
PutSD(hash string, blob stream.Blob) error
// Delete the blob from the store.
Delete(hash string) error
+ // Shutdown the store gracefully
+ Shutdown()
}
// Blocklister is a store that supports blocking blobs to prevent their inclusion in the store.
diff --git a/wallet/client.go b/wallet/client.go
index a4cb165..3dc0e8c 100644
--- a/wallet/client.go
+++ b/wallet/client.go
@@ -6,7 +6,7 @@ import (
"github.com/lbryio/chainquery/lbrycrd"
"github.com/lbryio/lbry.go/v2/extras/errors"
- "github.com/lbryio/lbry.go/v2/schema/claim"
+ "github.com/lbryio/lbry.go/v2/schema/stake"
types "github.com/lbryio/types/v2/go"
"github.com/btcsuite/btcutil"
@@ -140,7 +140,7 @@ func (n *Node) GetClaimInTx(txid string, nout int) (*types.Claim, error) {
return nil, errors.Err(err)
}
- ch, err := claim.DecodeClaimBytes(value, "")
+ ch, err := stake.DecodeClaimBytes(value, "")
if err != nil {
return nil, errors.Err(err)
}