update

.gitignore

@@ -4,3 +4,4 @@ bin/
 coverage.out
 bin
 build
+deploy-debug.sh

.gqlgen.yml

@@ -42,3 +42,7 @@ models:
     extraFields:
       F:
         type: "*github.com/anacrolix/torrent.PeerConn"
+  # TorrentProgress:
+  #   fields:
+  #     torrent:
+  #       resolver: true

.vscode/launch.json

@@ -4,6 +4,13 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+        {
+            "name": "Launch file",
+            "type": "go",
+            "request": "launch",
+            "mode": "debug",
+            "program": "${file}"
+        },
         {
             "name": "Launch Package",
             "type": "go",

Makefile

@@ -34,11 +34,7 @@ go-generate:
 	@echo "  >  Generating code files..."
 	go generate ./...
 
-.PHONY: help
+generate-graphql: src/delivery/graph/generated.go
-all: help
+
-help: Makefile
+src/delivery/graph/generated.go: .gqlgen.yml graphql/* graphql/types/* cmd/generate-graphql/*
-	@echo
+	go run cmd/generate-graphql/main.go
-	@echo " Choose a command run in "$(PROJECTNAME)":"
-	@echo
-	@sed -n 's/^##//p' $< | column -t -s ':' |  sed -e 's/^/ /'
-	@echo

cmd/generate-graphql/main.go

@@ -10,14 +10,14 @@ import (
 	"github.com/99designs/gqlgen/codegen/config"
 )
 
-type plugin_ struct {
+type fieldDirectiveFix struct {
 }
 
-func (plugin_) Name() string {
+func (fieldDirectiveFix) Name() string {
 	return "Fix Directive hook called with wrong object"
 }
 
-func (plugin_) GenerateCode(cfg *codegen.Data) error {
+func (fieldDirectiveFix) GenerateCode(cfg *codegen.Data) error {
 	for _, input := range cfg.Inputs {
 		for _, field := range input.Fields {
 			if field.GoFieldType == codegen.GoFieldVariable {
@@ -56,7 +56,7 @@ func main() {
 	}
 
 	err = api.Generate(cfg,
-		api.AddPlugin(&plugin_{}),
+		api.AddPlugin(&fieldDirectiveFix{}),
 	)
 	if err != nil {
 		fmt.Fprintln(os.Stderr, err.Error())

cmd/tstor/main.go

@@ -15,7 +15,7 @@ import (
 
 	"git.kmsign.ru/royalcat/tstor/src/config"
 	"git.kmsign.ru/royalcat/tstor/src/host"
-	"git.kmsign.ru/royalcat/tstor/src/host/filestorage"
+	"git.kmsign.ru/royalcat/tstor/src/host/datastorage"
 	"git.kmsign.ru/royalcat/tstor/src/host/service"
 	"git.kmsign.ru/royalcat/tstor/src/host/store"
 	"git.kmsign.ru/royalcat/tstor/src/host/vfs"
@@ -90,13 +90,13 @@ func run(configPath string) error {
 		return fmt.Errorf("error creating node ID: %w", err)
 	}
 
-	st, _, err := filestorage.Setup(conf.TorrentClient)
+	st, _, err := datastorage.Setup(conf.TorrentClient)
 	if err != nil {
 		return err
 	}
 	defer st.Close()
 
-	excludedFilesStore, err := store.NewExcludedFiles(conf.TorrentClient.MetadataFolder, st)
+	excludedFilesStore, err := store.NewFileMappings(conf.TorrentClient.MetadataFolder, st)
 	if err != nil {
 		return err
 	}
@@ -238,5 +238,5 @@ func run(configPath string) error {
 	signal.Notify(sigChan, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
 	<-sigChan
 
-	return nil
+	return ts.Close()
 }

go.mod

@@ -1,13 +1,14 @@
 module git.kmsign.ru/royalcat/tstor
 
-go 1.21
+go 1.22.1
 
 require (
 	github.com/99designs/gqlgen v0.17.43
-	github.com/anacrolix/dht/v2 v2.21.0
+	github.com/RoaringBitmap/roaring v1.2.3
+	github.com/anacrolix/dht/v2 v2.19.2-0.20221121215055-066ad8494444
 	github.com/anacrolix/log v0.14.6-0.20231202035202-ed7a02cad0b4
 	github.com/anacrolix/missinggo/v2 v2.7.3
-	github.com/anacrolix/torrent v1.54.0
+	github.com/anacrolix/torrent v1.55.0
 	github.com/billziss-gh/cgofuse v1.5.0
 	github.com/bodgit/sevenzip v1.4.5
 	github.com/dgraph-io/badger/v4 v4.2.0
@@ -15,6 +16,10 @@ require (
 	github.com/gin-contrib/pprof v1.4.0
 	github.com/gin-gonic/gin v1.9.1
 	github.com/go-git/go-billy/v5 v5.5.0
+	github.com/gofrs/uuid/v5 v5.0.0
+	github.com/google/uuid v1.5.0
+	github.com/hashicorp/go-multierror v1.1.1
+	github.com/hashicorp/golang-lru/v2 v2.0.7
 	github.com/knadh/koanf/parsers/yaml v0.1.0
 	github.com/knadh/koanf/providers/env v0.1.0
 	github.com/knadh/koanf/providers/file v0.1.0
@@ -22,27 +27,24 @@ require (
 	github.com/knadh/koanf/v2 v2.0.1
 	github.com/lmittmann/tint v1.0.4
 	github.com/nwaples/rardecode/v2 v2.0.0-beta.2
-	github.com/philippgille/gokv v0.6.0
+	github.com/royalcat/kv v0.0.0-20240316134516-1bb692abce73
-	github.com/philippgille/gokv/badgerdb v0.6.0
-	github.com/philippgille/gokv/encoding v0.6.0
 	github.com/shurcooL/httpfs v0.0.0-20230704072500-f1e31cf0ba5c
 	github.com/stretchr/testify v1.8.4
 	github.com/urfave/cli/v2 v2.27.0
 	github.com/vektah/gqlparser/v2 v2.5.11
 	github.com/willscott/go-nfs v0.0.2
+	go.uber.org/multierr v1.11.0
 	golang.org/x/exp v0.0.0-20231226003508-02704c960a9b
 	golang.org/x/net v0.19.0
 )
 
 require (
-	github.com/AndreasBriese/bbloom v0.0.0-20190825152654-46b345b51c96 // indirect
-	github.com/RoaringBitmap/roaring v1.2.3 // indirect
 	github.com/agnivade/levenshtein v1.1.1 // indirect
 	github.com/ajwerner/btree v0.0.0-20211221152037-f427b3e689c0 // indirect
 	github.com/alecthomas/atomic v0.1.0-alpha2 // indirect
 	github.com/anacrolix/chansync v0.3.0 // indirect
 	github.com/anacrolix/envpprof v1.3.0 // indirect
-	github.com/anacrolix/generics v0.0.0-20230816105729-c755655aee45 // indirect
+	github.com/anacrolix/generics v0.0.0-20230911070922-5dd7545c6b13 // indirect
 	github.com/anacrolix/go-libutp v1.3.1 // indirect
 	github.com/anacrolix/missinggo v1.3.0 // indirect
 	github.com/anacrolix/missinggo/perf v1.0.0 // indirect
@@ -60,12 +62,11 @@ require (
 	github.com/bodgit/windows v1.0.1 // indirect
 	github.com/bradfitz/iter v0.0.0-20191230175014-e8f45d346db8 // indirect
 	github.com/bytedance/sonic v1.9.1 // indirect
+	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/dgraph-io/badger v1.6.0 // indirect
-	github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 // indirect
 	github.com/dustin/go-humanize v1.0.0 // indirect
 	github.com/edsrzf/mmap-go v1.1.0 // indirect
 	github.com/fatih/structs v1.1.0 // indirect
@@ -74,24 +75,21 @@ require (
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-llsqlite/adapter v0.0.0-20230927005056-7f5ce7f0c916 // indirect
 	github.com/go-llsqlite/crawshaw v0.4.0 // indirect
-	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-logr/logr v1.2.4 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.14.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/glog v1.0.0 // indirect
+	github.com/golang/glog v1.1.0 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/golang/snappy v0.0.3 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/btree v1.1.2 // indirect
-	github.com/google/flatbuffers v1.12.1 // indirect
+	github.com/google/flatbuffers v2.0.8+incompatible // indirect
-	github.com/google/uuid v1.5.0 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/hashicorp/errwrap v1.0.0 // indirect
-	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
 	github.com/huandu/xstrings v1.3.2 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.17.4 // indirect
@@ -106,7 +104,6 @@ require (
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/mschoch/smat v0.2.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
-	github.com/philippgille/gokv/util v0.0.0-20191011213304-eb77f15b9c61 // indirect
 	github.com/pierrec/lz4/v4 v4.1.19 // indirect
 	github.com/pion/datachannel v1.5.2 // indirect
 	github.com/pion/dtls/v2 v2.2.4 // indirect
@@ -141,7 +138,7 @@ require (
 	github.com/willscott/go-nfs-client v0.0.0-20240104095149-b44639837b00 // indirect
 	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
-	go.opencensus.io v0.22.5 // indirect
+	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/otel v1.8.0 // indirect
 	go.opentelemetry.io/otel/trace v1.8.0 // indirect
 	go4.org v0.0.0-20200411211856-f5505b9728dd // indirect

go.sum

@@ -21,11 +21,10 @@ filippo.io/edwards25519 v1.0.0-rc.1 h1:m0VOOB23frXZvAOK44usCgLWvtsxIoMCTBGJZlpmG
 filippo.io/edwards25519 v1.0.0-rc.1/go.mod h1:N1IkdkCkiLB6tki+MYJoSx2JTY9NUlxZE7eHn5EwJns=
 github.com/99designs/gqlgen v0.17.43 h1:I4SYg6ahjowErAQcHFVKy5EcWuwJ3+Xw9z2fLpuFCPo=
 github.com/99designs/gqlgen v0.17.43/go.mod h1:lO0Zjy8MkZgBdv4T1U91x09r0e0WFOdhVUutlQs1Rsc=
-github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
-github.com/AndreasBriese/bbloom v0.0.0-20190825152654-46b345b51c96 h1:cTp8I5+VIoKjsnZuH8vjyaysT/ses3EvZeaV/1UkF2M=
-github.com/AndreasBriese/bbloom v0.0.0-20190825152654-46b345b51c96/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 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/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/RoaringBitmap/roaring v0.4.7/go.mod h1:8khRDP4HmeXns4xIj9oGrKSz7XTQiJx2zgh7AcNke4w=
 github.com/RoaringBitmap/roaring v0.4.17/go.mod h1:D3qVegWTmfCaX4Bl5CrBE9hfrSrrXIr8KVNvRsDi1NI=
 github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
@@ -49,15 +48,15 @@ github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRF
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/anacrolix/chansync v0.3.0 h1:lRu9tbeuw3wl+PhMu/r+JJCRu5ArFXIluOgdF0ao6/U=
 github.com/anacrolix/chansync v0.3.0/go.mod h1:DZsatdsdXxD0WiwcGl0nJVwyjCKMDv+knl1q2iBjA2k=
-github.com/anacrolix/dht/v2 v2.21.0 h1:8nzI+faaynY9jOKmVgdmBZVrTo8B7ZE/LKEgN3Vl/Bs=
+github.com/anacrolix/dht/v2 v2.19.2-0.20221121215055-066ad8494444 h1:8V0K09lrGoeT2KRJNOtspA7q+OMxGwQqK/Ug0IiaaRE=
-github.com/anacrolix/dht/v2 v2.21.0/go.mod h1:SDGC+sEs1pnO2sJGYuhvIis7T8749dDHNfcjtdH4e3g=
+github.com/anacrolix/dht/v2 v2.19.2-0.20221121215055-066ad8494444/go.mod h1:MctKM1HS5YYDb3F30NGJxLE+QPuqWoT5ReW/4jt8xew=
 github.com/anacrolix/envpprof v0.0.0-20180404065416-323002cec2fa/go.mod h1:KgHhUaQMc8cC0+cEflSgCFNFbKwi5h54gqtVn8yhP7c=
 github.com/anacrolix/envpprof v1.0.0/go.mod h1:KgHhUaQMc8cC0+cEflSgCFNFbKwi5h54gqtVn8yhP7c=
 github.com/anacrolix/envpprof v1.1.0/go.mod h1:My7T5oSqVfEn4MD4Meczkw/f5lSIndGAKu/0SM/rkf4=
 github.com/anacrolix/envpprof v1.3.0 h1:WJt9bpuT7A/CDCxPOv/eeZqHWlle/Y0keJUvc6tcJDk=
 github.com/anacrolix/envpprof v1.3.0/go.mod h1:7QIG4CaX1uexQ3tqd5+BRa/9e2D02Wcertl6Yh0jCB0=
-github.com/anacrolix/generics v0.0.0-20230816105729-c755655aee45 h1:Kmcl3I9K2+5AdnnR7hvrnVT0TLeFWWMa9bxnm55aVIg=
+github.com/anacrolix/generics v0.0.0-20230911070922-5dd7545c6b13 h1:qwOprPTDMM3BASJRf84mmZnTXRsPGGJ8xoHKQS7m3so=
-github.com/anacrolix/generics v0.0.0-20230816105729-c755655aee45/go.mod h1:ff2rHB/joTV03aMSSn/AZNnaIpUw0h3njetGsaXcMy8=
+github.com/anacrolix/generics v0.0.0-20230911070922-5dd7545c6b13/go.mod h1:ff2rHB/joTV03aMSSn/AZNnaIpUw0h3njetGsaXcMy8=
 github.com/anacrolix/go-libutp v1.3.1 h1:idJzreNLl+hNjGC3ZnUOjujEaryeOGgkwHLqSGoige0=
 github.com/anacrolix/go-libutp v1.3.1/go.mod h1:heF41EC8kN0qCLMokLBVkB8NXiLwx3t8R8810MTNI5o=
 github.com/anacrolix/log v0.3.0/go.mod h1:lWvLTqzAnCWPJA08T2HCstZi0L1y2Wyvm3FJgwU9jwU=
@@ -96,8 +95,8 @@ github.com/anacrolix/sync v0.5.1/go.mod h1:BbecHL6jDSExojhNtgTFSBcdGerzNc64tz3DC
 github.com/anacrolix/tagflag v0.0.0-20180109131632-2146c8d41bf0/go.mod h1:1m2U/K6ZT+JZG0+bdMK6qauP49QT4wE5pmhJXOKKCHw=
 github.com/anacrolix/tagflag v1.0.0/go.mod h1:1m2U/K6ZT+JZG0+bdMK6qauP49QT4wE5pmhJXOKKCHw=
 github.com/anacrolix/tagflag v1.1.0/go.mod h1:Scxs9CV10NQatSmbyjqmqmeQNwGzlNe0CMUMIxqHIG8=
-github.com/anacrolix/torrent v1.54.0 h1:sl+2J1pHjJWq6+5G861+Yc74k2XTc/m8ijaMQR/8+2k=
+github.com/anacrolix/torrent v1.55.0 h1:s9yh/YGdPmbN9dTa+0Inh2dLdrLQRvEAj1jdFW/Hdd8=
-github.com/anacrolix/torrent v1.54.0/go.mod h1:is8GNob5qDeZ5Kq+pKPiE2xqYUi1ms7IgSB+CftZETk=
+github.com/anacrolix/torrent v1.55.0/go.mod h1:sBdZHBSZNj4de0m+EbYg7vvs/G/STubxu/GzzNbojsE=
 github.com/anacrolix/upnp v0.1.3-0.20220123035249-922794e51c96 h1:QAVZ3pN/J4/UziniAhJR2OZ9Ox5kOY2053tBbbqUPYA=
 github.com/anacrolix/upnp v0.1.3-0.20220123035249-922794e51c96/go.mod h1:Wa6n8cYIdaG35x15aH3Zy6d03f7P728QfdcDeD/IEOs=
 github.com/anacrolix/utp v0.1.0 h1:FOpQOmIwYsnENnz7tAGohA+r6iXpRjrq8ssKSre2Cp4=
@@ -109,7 +108,6 @@ github.com/andybalholm/brotli v1.0.6/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHG
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0 h1:jfIu9sQUG6Ig+0+Ap1h4unLjW6YQJpKZVmUzxsD4E/Q=
 github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0/go.mod h1:t2tdKJDJF9BV14lnkjHmOQgcvEKgtqs5a1N3LNdJhGE=
-github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/bahlo/generic-list-go v0.2.0 h1:5sz/EEAK+ls5wF+NeqDpk5+iNdMDXrh3z3nPnH1Wvgk=
 github.com/bahlo/generic-list-go v0.2.0/go.mod h1:2KvAjgMlE5NNynlg/5iLrrCCZ2+5xWbdbCW3pNTGyYg=
 github.com/benbjohnson/immutable v0.2.0/go.mod h1:uc6OHo6PN2++n98KHLxW8ef4W42ylHiQSENghE1ezxI=
@@ -137,6 +135,8 @@ github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1
 github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
 github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
@@ -147,18 +147,13 @@ github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWR
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
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@@ -176,7 +171,9 @@ github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1
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@@ -215,8 +212,8 @@ github.com/go-llsqlite/crawshaw v0.4.0/go.mod h1:/YJdV7uBQaYDE0fwe4z3wwJIZBJxdYz
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@@ -233,18 +230,18 @@ github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg
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@@ -262,25 +259,30 @@ github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:x
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@@ -290,6 +292,7 @@ github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OI
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@@ -311,7 +314,6 @@ github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
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@@ -322,7 +324,6 @@ github.com/huandu/xstrings v1.3.1/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq
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@@ -368,15 +369,12 @@ github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
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@@ -406,24 +404,10 @@ github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7J
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-github.com/philippgille/gokv/test v0.0.0-20191011213304-eb77f15b9c61/go.mod h1:EUc+s9ONc1+VOr9NUEd8S0YbGRrQd/gz/p+2tvwt12s=
-github.com/philippgille/gokv/util v0.0.0-20191011213304-eb77f15b9c61 h1:ril/jI0JgXNjPWwDkvcRxlZ09kgHXV2349xChjbsQ4o=
-github.com/philippgille/gokv/util v0.0.0-20191011213304-eb77f15b9c61/go.mod h1:2dBhsJgY/yVIkjY5V3AnDUxUbEPzT6uQ3LvoVT8TR20=
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@@ -505,9 +489,12 @@ github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTE
 github.com/rogpeppe/go-internal v1.8.0/go.mod h1:WmiCO8CzOY8rg0OYDC4/i/2WRWAB6poM+XZ2dLUbcbE=
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+github.com/royalcat/kv v0.0.0-20240316120131-b774a9bff6f7 h1:fmBTD0RaTvWbd6KrgLVXSDUJ4dWTPOFUdkdHp+kYvRM=
+github.com/royalcat/kv v0.0.0-20240316120131-b774a9bff6f7/go.mod h1:Ff0Z/r1H3ojacpEe8SashMKJx6YCIhWrYtpdV8Y/k3A=
+github.com/royalcat/kv v0.0.0-20240316134516-1bb692abce73 h1:zeFE8Nx11oD6In+f+VDYwGH72t7NV6L5dqaNbDIhB1E=
+github.com/royalcat/kv v0.0.0-20240316134516-1bb692abce73/go.mod h1:Ff0Z/r1H3ojacpEe8SashMKJx6YCIhWrYtpdV8Y/k3A=
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-github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
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@@ -526,12 +513,8 @@ github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:X
 github.com/smartystreets/goconvey v0.0.0-20190306220146-200a235640ff/go.mod h1:KSQcGKpxUMHk3nbYzs/tIBAM2iDooCn0BmttHOJEbLs=
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 github.com/sosodev/duration v1.1.0/go.mod h1:RQIBBX0+fMLc/D9+Jb/fwvVmo0eZvDDEERAikUR6SDg=
-github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
+github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72 h1:qLC7fQah7D6K1B0ujays3HV9gkFtllcxhzImRR7ArPQ=
-github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
+github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
-github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
-github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
-github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
-github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
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 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
@@ -558,7 +541,6 @@ github.com/tinylib/msgp v1.1.2/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDW
 github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
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-github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
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@@ -574,7 +556,6 @@ github.com/willscott/go-nfs v0.0.2 h1:BaBp1CpGDMooCT6bCgX6h6ZwgPcTMST4yToYZ9byee
 github.com/willscott/go-nfs v0.0.2/go.mod h1:SvullWeHxr/924WQNbUaZqtluBt2vuZ61g6yAV+xj7w=
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 github.com/willscott/go-nfs-client v0.0.0-20240104095149-b44639837b00/go.mod h1:Tq++Lr/FgiS3X48q5FETemXiSLGuYMQT2sPjYNPJSwA=
-github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
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 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -588,19 +569,20 @@ go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
-go.opencensus.io v0.22.5 h1:dntmOdLpSpHlVqbW5Eay97DelsZHe+55D+xC6i0dDS0=
+go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
-go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
+go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.opentelemetry.io/otel v1.8.0 h1:zcvBFizPbpa1q7FehvFiHbQwGzmPILebO0tyqIR5Djg=
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+go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
+go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
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 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
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-golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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@@ -660,13 +642,13 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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+golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
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@@ -703,7 +685,6 @@ golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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@@ -712,11 +693,9 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
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 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -831,20 +810,26 @@ google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvx
 google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 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 v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 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=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=

graphql/mutation.graphql

@@ -1,10 +1,20 @@
 type Mutation {
     validateTorrents(filter: TorrentFilter!): Boolean!
     cleanupTorrents(files: Boolean, dryRun: Boolean!): Int!
+    downloadTorrent(infohash: String!, file: String): DownloadTorrentResponse
 }
 
+
 input TorrentFilter @oneOf {
     everything: Boolean
     infohash: String
     # pathGlob: String!
 }
+
+type DownloadTorrentResponse {
+    task: Task
+}
+
+type Task {
+    id: ID!
+}

graphql/schema.graphql

@@ -1,4 +1,5 @@
 directive @oneOf on INPUT_OBJECT | FIELD_DEFINITION
+directive @stream on FIELD_DEFINITION
 
 scalar DateTime
 
@@ -6,4 +7,3 @@ type Schema {
   query: Query
   mutation: Mutation
 }
-

graphql/subscription.graphql

@@ -0,0 +1,16 @@
+type Subscription {
+    taskProgress(taskID: ID!): Progress
+    torrentDownloadUpdates: TorrentProgress
+}
+
+
+type TorrentProgress implements Progress {
+    torrent: Torrent!
+    current: Int!
+    total: Int!
+}
+
+interface Progress {
+    current: Int!
+    total: Int!
+}

pkg/uuid/uuid.go

@@ -0,0 +1,102 @@
+package uuid
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"strconv"
+	"time"
+
+	fuuid "github.com/gofrs/uuid/v5"
+)
+
+var Nil = UUID{}
+
+type UUIDList = []UUID
+
+type UUID struct {
+	fuuid.UUID
+}
+
+func New() UUID {
+	return UUID{fuuid.Must(fuuid.NewV7())}
+}
+
+func NewFromTime(t time.Time) UUID {
+	gen := fuuid.NewGenWithOptions(
+		fuuid.WithEpochFunc(func() time.Time { return t }),
+	)
+	return UUID{fuuid.Must(gen.NewV7())}
+}
+
+func NewP() *UUID {
+	return &UUID{fuuid.Must(fuuid.NewV7())}
+}
+
+func FromString(text string) (UUID, error) {
+	u, err := fuuid.FromString(text)
+	if err != nil {
+		return Nil, err
+	}
+
+	return UUID{u}, nil
+}
+
+func MustFromString(text string) UUID {
+	u, err := fuuid.FromString(text)
+	if err != nil {
+		panic(err)
+	}
+
+	return UUID{u}
+}
+
+func FromBytes(input []byte) (UUID, error) {
+	u, err := fuuid.FromBytes(input)
+	if err != nil {
+		return Nil, err
+	}
+
+	return UUID{u}, nil
+}
+
+func (a *UUID) UnmarshalJSON(b []byte) error {
+	var s string
+	if err := json.Unmarshal(b, &s); err != nil {
+		return err
+	}
+
+	if s == "" {
+		a.UUID = fuuid.Nil
+		return nil
+	}
+
+	return a.UUID.Parse(s)
+}
+
+func (a UUID) MarshalJSON() ([]byte, error) {
+	if a.IsNil() {
+		return json.Marshal("")
+	}
+
+	return json.Marshal(a.UUID)
+}
+
+// UnmarshalGQL implements the graphql.Unmarshaler interface
+func (u *UUID) UnmarshalGQL(v interface{}) error {
+	id, ok := v.(string)
+	if !ok {
+		return fmt.Errorf("uuid must be a string")
+	}
+
+	return u.Parse(id)
+}
+
+// MarshalGQL implements the graphql.Marshaler interface
+func (u UUID) MarshalGQL(w io.Writer) {
+	b := []byte(strconv.Quote(u.String()))
+	_, err := w.Write(b)
+	if err != nil {
+		panic(err)
+	}
+}

src/delivery/graphql/model/mappers.go

@@ -1,6 +1,9 @@
 package model
 
-import "github.com/anacrolix/torrent"
+import (
+	"git.kmsign.ru/royalcat/tstor/src/host/controller"
+	"github.com/anacrolix/torrent"
+)
 
 func MapPeerSource(source torrent.PeerSource) string {
 	switch source {
@@ -22,3 +25,13 @@ func MapPeerSource(source torrent.PeerSource) string {
 		return "Unknown"
 	}
 }
+
+func MapTorrent(t *controller.Torrent) *Torrent {
+	return &Torrent{
+		Infohash:       t.InfoHash(),
+		Name:           t.Name(),
+		BytesCompleted: t.BytesCompleted(),
+		BytesMissing:   t.BytesMissing(),
+		T:              t,
+	}
+}

src/delivery/graphql/model/models_gen.go

@@ -9,6 +9,12 @@ import (
 	"github.com/anacrolix/torrent"
 )
 
+type Progress interface {
+	IsProgress()
+	GetCurrent() int64
+	GetTotal() int64
+}
+
 type BooleanFilter struct {
 	Eq *bool `json:"eq,omitempty"`
 }
@@ -21,6 +27,10 @@ type DateTimeFilter struct {
 	Lte *time.Time `json:"lte,omitempty"`
 }
 
+type DownloadTorrentResponse struct {
+	Task *Task `json:"task,omitempty"`
+}
+
 type IntFilter struct {
 	Eq  *int64  `json:"eq,omitempty"`
 	Gt  *int64  `json:"gt,omitempty"`
@@ -52,6 +62,13 @@ type StringFilter struct {
 	In     []string `json:"in,omitempty"`
 }
 
+type Subscription struct {
+}
+
+type Task struct {
+	ID string `json:"id"`
+}
+
 type Torrent struct {
 	Name            string              `json:"name"`
 	Infohash        string              `json:"infohash"`
@@ -85,6 +102,16 @@ type TorrentPeer struct {
 	F            *torrent.PeerConn `json:"-"`
 }
 
+type TorrentProgress struct {
+	Torrent *Torrent `json:"torrent"`
+	Current int64    `json:"current"`
+	Total   int64    `json:"total"`
+}
+
+func (TorrentProgress) IsProgress()            {}
+func (this TorrentProgress) GetCurrent() int64 { return this.Current }
+func (this TorrentProgress) GetTotal() int64   { return this.Total }
+
 type TorrentsFilter struct {
 	Name           *StringFilter `json:"name,omitempty"`
 	BytesCompleted *IntFilter    `json:"bytesCompleted,omitempty"`

src/delivery/graphql/resolver/mutation.resolvers.go

@@ -7,8 +7,11 @@ package resolver
 import (
 	"context"
 
+	"git.kmsign.ru/royalcat/tstor/pkg/uuid"
 	graph "git.kmsign.ru/royalcat/tstor/src/delivery/graphql"
 	"git.kmsign.ru/royalcat/tstor/src/delivery/graphql/model"
+	"git.kmsign.ru/royalcat/tstor/src/host/service"
+	aih "github.com/anacrolix/torrent/types/infohash"
 )
 
 // ValidateTorrents is the resolver for the validateTorrents field.
@@ -58,6 +61,25 @@ func (r *mutationResolver) CleanupTorrents(ctx context.Context, files *bool, dry
 	}
 }
 
+// DownloadTorrent is the resolver for the downloadTorrent field.
+func (r *mutationResolver) DownloadTorrent(ctx context.Context, infohash string, file *string) (*model.DownloadTorrentResponse, error) {
+	f := ""
+	if file != nil {
+		f = *file
+	}
+
+	err := r.Service.Download(ctx, &service.TorrentDownloadTask{
+		ID:       uuid.New(),
+		InfoHash: aih.FromHexString(infohash),
+		File:     f,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return &model.DownloadTorrentResponse{}, nil
+}
+
 // Mutation returns graph.MutationResolver implementation.
 func (r *Resolver) Mutation() graph.MutationResolver { return &mutationResolver{r} }
 

src/delivery/graphql/resolver/query.resolvers.go

@@ -52,13 +52,7 @@ func (r *queryResolver) Torrents(ctx context.Context, filter *model.TorrentsFilt
 
 	tr := []*model.Torrent{}
 	for _, t := range torrents {
-		d := &model.Torrent{
+		d := model.MapTorrent(t)
-			Infohash:       t.InfoHash(),
-			Name:           t.Name(),
-			BytesCompleted: t.BytesCompleted(),
-			BytesMissing:   t.BytesMissing(),
-			T:              t,
-		}
 
 		if !filterFunc(d) {
 			continue

src/delivery/graphql/resolver/subscription.resolvers.go

@@ -0,0 +1,54 @@
+package resolver
+
+// This file will be automatically regenerated based on the schema, any resolver implementations
+// will be copied through when generating and any unknown code will be moved to the end.
+// Code generated by github.com/99designs/gqlgen version v0.17.43
+
+import (
+	"context"
+	"fmt"
+
+	graph "git.kmsign.ru/royalcat/tstor/src/delivery/graphql"
+	"git.kmsign.ru/royalcat/tstor/src/delivery/graphql/model"
+)
+
+// TaskProgress is the resolver for the taskProgress field.
+func (r *subscriptionResolver) TaskProgress(ctx context.Context, taskID string) (<-chan model.Progress, error) {
+	panic(fmt.Errorf("not implemented: TaskProgress - taskProgress"))
+}
+
+// TorrentDownloadUpdates is the resolver for the torrentDownloadUpdates field.
+func (r *subscriptionResolver) TorrentDownloadUpdates(ctx context.Context) (<-chan *model.TorrentProgress, error) {
+	out := make(chan *model.TorrentProgress)
+	progress, err := r.Service.DownloadProgress(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	go func() {
+		defer close(out)
+		for p := range progress {
+			if p.Torrent == nil {
+				fmt.Println("nil torrent")
+				continue
+			}
+			po := &model.TorrentProgress{
+				Torrent: model.MapTorrent(p.Torrent),
+				Current: p.Current,
+				Total:   p.Total,
+			}
+			select {
+			case <-ctx.Done():
+				return
+			case out <- po:
+			}
+		}
+	}()
+
+	return out, nil
+}
+
+// Subscription returns graph.SubscriptionResolver implementation.
+func (r *Resolver) Subscription() graph.SubscriptionResolver { return &subscriptionResolver{r} }
+
+type subscriptionResolver struct{ *Resolver }

src/delivery/graphql/resolver/torrent.resolvers.go

@@ -19,7 +19,7 @@ func (r *torrentResolver) Name(ctx context.Context, obj *model.Torrent) (string,
 // Files is the resolver for the files field.
 func (r *torrentResolver) Files(ctx context.Context, obj *model.Torrent) ([]*model.TorrentFile, error) {
 	out := []*model.TorrentFile{}
-	files, err := obj.T.Files()
+	files, err := obj.T.Files(ctx)
 	if err != nil {
 		return nil, err
 	}
@@ -37,17 +37,17 @@ func (r *torrentResolver) Files(ctx context.Context, obj *model.Torrent) ([]*mod
 // ExcludedFiles is the resolver for the excludedFiles field.
 func (r *torrentResolver) ExcludedFiles(ctx context.Context, obj *model.Torrent) ([]*model.TorrentFile, error) {
 	out := []*model.TorrentFile{}
-	files, err := obj.T.ExcludedFiles()
+	// files, err := obj.T.ExcludedFiles()
-	if err != nil {
+	// if err != nil {
-		return nil, err
+	// 	return nil, err
-	}
+	// }
-	for _, f := range files {
+	// for _, f := range files {
-		out = append(out, &model.TorrentFile{
+	// 	out = append(out, &model.TorrentFile{
-			Filename: f.DisplayPath(),
+	// 		Filename: f.DisplayPath(),
-			Size:     f.Length(),
+	// 		Size:     f.Length(),
-			F:        f,
+	// 		F:        f,
-		})
+	// 	})
-	}
+	// }
 	return out, nil
 }
 

src/export/nfs/cache.go

@@ -0,0 +1,197 @@
+package nfs
+
+import (
+	"crypto/sha256"
+	"encoding/binary"
+	"io/fs"
+	"reflect"
+	"slices"
+
+	"github.com/willscott/go-nfs"
+
+	"github.com/go-git/go-billy/v5"
+	"github.com/google/uuid"
+	lru "github.com/hashicorp/golang-lru/v2"
+)
+
+// NewCachingHandler wraps a handler to provide a basic to/from-file handle cache.
+func NewCachingHandler(h nfs.Handler, limit int) nfs.Handler {
+	return NewCachingHandlerWithVerifierLimit(h, limit, limit)
+}
+
+// NewCachingHandlerWithVerifierLimit provides a basic to/from-file handle cache that can be tuned with a smaller cache of active directory listings.
+func NewCachingHandlerWithVerifierLimit(h nfs.Handler, limit int, verifierLimit int) nfs.Handler {
+	if limit < 2 || verifierLimit < 2 {
+		nfs.Log.Warnf("Caching handler created with insufficient cache to support directory listing", "size", limit, "verifiers", verifierLimit)
+	}
+	cache, _ := lru.New[uuid.UUID, entry](limit)
+	reverseCache := make(map[string][]uuid.UUID)
+	verifiers, _ := lru.New[uint64, verifier](verifierLimit)
+	return &CachingHandler{
+		Handler:         h,
+		activeHandles:   cache,
+		reverseHandles:  reverseCache,
+		activeVerifiers: verifiers,
+		cacheLimit:      limit,
+	}
+}
+
+// CachingHandler implements to/from handle via an LRU cache.
+type CachingHandler struct {
+	nfs.Handler
+	activeHandles   *lru.Cache[uuid.UUID, entry]
+	reverseHandles  map[string][]uuid.UUID
+	activeVerifiers *lru.Cache[uint64, verifier]
+	cacheLimit      int
+}
+
+type entry struct {
+	f billy.Filesystem
+	p []string
+}
+
+// ToHandle takes a file and represents it with an opaque handle to reference it.
+// In stateless nfs (when it's serving a unix fs) this can be the device + inode
+// but we can generalize with a stateful local cache of handed out IDs.
+func (c *CachingHandler) ToHandle(f billy.Filesystem, path []string) []byte {
+	joinedPath := f.Join(path...)
+
+	if handle := c.searchReverseCache(f, joinedPath); handle != nil {
+		return handle
+	}
+
+	id := uuid.New()
+
+	newPath := make([]string, len(path))
+
+	copy(newPath, path)
+	evictedKey, evictedPath, ok := c.activeHandles.GetOldest()
+	if evicted := c.activeHandles.Add(id, entry{f, newPath}); evicted && ok {
+		rk := evictedPath.f.Join(evictedPath.p...)
+		c.evictReverseCache(rk, evictedKey)
+	}
+
+	if _, ok := c.reverseHandles[joinedPath]; !ok {
+		c.reverseHandles[joinedPath] = []uuid.UUID{}
+	}
+	c.reverseHandles[joinedPath] = append(c.reverseHandles[joinedPath], id)
+	b, _ := id.MarshalBinary()
+
+	return b
+}
+
+// FromHandle converts from an opaque handle to the file it represents
+func (c *CachingHandler) FromHandle(fh []byte) (billy.Filesystem, []string, error) {
+	id, err := uuid.FromBytes(fh)
+	if err != nil {
+		return nil, []string{}, err
+	}
+
+	if f, ok := c.activeHandles.Get(id); ok {
+		for _, k := range c.activeHandles.Keys() {
+			candidate, _ := c.activeHandles.Peek(k)
+			if hasPrefix(f.p, candidate.p) {
+				_, _ = c.activeHandles.Get(k)
+			}
+		}
+
+		return f.f, slices.Clone(f.p), nil
+	}
+	return nil, []string{}, &nfs.NFSStatusError{NFSStatus: nfs.NFSStatusStale}
+}
+
+func (c *CachingHandler) searchReverseCache(f billy.Filesystem, path string) []byte {
+	uuids, exists := c.reverseHandles[path]
+
+	if !exists {
+		return nil
+	}
+
+	for _, id := range uuids {
+		if candidate, ok := c.activeHandles.Get(id); ok {
+			if reflect.DeepEqual(candidate.f, f) {
+				return id[:]
+			}
+		}
+	}
+
+	return nil
+}
+
+func (c *CachingHandler) evictReverseCache(path string, handle uuid.UUID) {
+	uuids, exists := c.reverseHandles[path]
+
+	if !exists {
+		return
+	}
+	for i, u := range uuids {
+		if u == handle {
+			uuids = append(uuids[:i], uuids[i+1:]...)
+			c.reverseHandles[path] = uuids
+			return
+		}
+	}
+}
+
+func (c *CachingHandler) InvalidateHandle(fs billy.Filesystem, handle []byte) error {
+	//Remove from cache
+	id, _ := uuid.FromBytes(handle)
+	entry, ok := c.activeHandles.Get(id)
+	if ok {
+		rk := entry.f.Join(entry.p...)
+		c.evictReverseCache(rk, id)
+	}
+	c.activeHandles.Remove(id)
+	return nil
+}
+
+// HandleLimit exports how many file handles can be safely stored by this cache.
+func (c *CachingHandler) HandleLimit() int {
+	return c.cacheLimit
+}
+
+func hasPrefix(path, prefix []string) bool {
+	if len(prefix) > len(path) {
+		return false
+	}
+	for i, e := range prefix {
+		if path[i] != e {
+			return false
+		}
+	}
+	return true
+}
+
+type verifier struct {
+	path     string
+	contents []fs.FileInfo
+}
+
+func hashPathAndContents(path string, contents []fs.FileInfo) uint64 {
+	//calculate a cookie-verifier.
+	vHash := sha256.New()
+
+	// Add the path to avoid collisions of directories with the same content
+	vHash.Write(binary.BigEndian.AppendUint64([]byte{}, uint64(len(path))))
+	vHash.Write([]byte(path))
+
+	for _, c := range contents {
+		vHash.Write([]byte(c.Name())) // Never fails according to the docs
+	}
+
+	verify := vHash.Sum(nil)[0:8]
+	return binary.BigEndian.Uint64(verify)
+}
+
+func (c *CachingHandler) VerifierFor(path string, contents []fs.FileInfo) uint64 {
+	id := hashPathAndContents(path, contents)
+	c.activeVerifiers.Add(id, verifier{path, contents})
+	return id
+}
+
+func (c *CachingHandler) DataForVerifier(path string, id uint64) []fs.FileInfo {
+	if cache, ok := c.activeVerifiers.Get(id); ok {
+		return cache.contents
+	}
+	return nil
+}

src/export/nfs/handler.go

@@ -17,7 +17,7 @@ func NewNFSv3Handler(fs vfs.Filesystem) (nfs.Handler, error) {
 	bfs := &billyFsWrapper{fs: fs, log: nfslog}
 	handler := nfshelper.NewNullAuthHandler(bfs)
 
-	cacheHelper := nfshelper.NewCachingHandler(handler, 1024*16)
+	cacheHelper := nfshelper.NewCachingHandler(handler, 1024)
 
 	//  cacheHelper := NewCachingHandler(handler)
 

src/host/controller/torrent.go

@@ -1,6 +1,7 @@
 package controller
 
 import (
+	"context"
 	"slices"
 	"strings"
 
@@ -11,10 +12,10 @@ import (
 type Torrent struct {
 	torrentFilePath string
 	t               *torrent.Torrent
-	rep             *store.ExlcudedFiles
+	rep             *store.FilesMappings
 }
 
-func NewTorrent(t *torrent.Torrent, rep *store.ExlcudedFiles) *Torrent {
+func NewTorrent(t *torrent.Torrent, rep *store.FilesMappings) *Torrent {
 	return &Torrent{t: t, rep: rep}
 }
 
@@ -26,13 +27,13 @@ func (s *Torrent) Torrent() *torrent.Torrent {
 	return s.t
 }
 
-func (s *Torrent) Name() string {
+func (c *Torrent) Name() string {
-	<-s.t.GotInfo()
+	<-c.t.GotInfo()
-	if name := s.t.Name(); name != "" {
+	if name := c.t.Name(); name != "" {
 		return name
 	}
 
-	return s.InfoHash()
+	return c.InfoHash()
 }
 
 func (s *Torrent) InfoHash() string {
@@ -50,8 +51,13 @@ func (s *Torrent) BytesMissing() int64 {
 	return s.t.BytesMissing()
 }
 
-func (s *Torrent) Files() ([]*torrent.File, error) {
+func (s *Torrent) Length() int64 {
-	excludedFiles, err := s.rep.ExcludedFiles(s.t.InfoHash())
+	<-s.t.GotInfo()
+	return s.t.Length()
+}
+
+func (s *Torrent) Files(ctx context.Context) ([]*torrent.File, error) {
+	fileMappings, err := s.rep.FileMappings(ctx, s.t.InfoHash())
 	if err != nil {
 		return nil, err
 	}
@@ -60,25 +66,30 @@ func (s *Torrent) Files() ([]*torrent.File, error) {
 	files := s.t.Files()
 	files = slices.DeleteFunc(files, func(file *torrent.File) bool {
 		p := file.Path()
-
 		if strings.Contains(p, "/.pad/") {
-			return false
-		}
-
-		if !slices.Contains(excludedFiles, p) {
-			return false
-		}
-
 			return true
+		}
+		if target, ok := fileMappings[p]; ok && target == "" {
+			return true
+		}
+		return false
 	})
 
-	for _, tf := range files {
-		s.isFileComplete(tf.BeginPieceIndex(), tf.EndPieceIndex())
-	}
-
 	return files, nil
 }
 
+func Map[T, U any](ts []T, f func(T) U) []U {
+	us := make([]U, len(ts))
+	for i := range ts {
+		us[i] = f(ts[i])
+	}
+	return us
+}
+
+func (s *Torrent) ExcludeFile(ctx context.Context, f *torrent.File) error {
+	return s.rep.ExcludeFile(ctx, f)
+}
+
 func (s *Torrent) isFileComplete(startIndex int, endIndex int) bool {
 	for i := startIndex; i < endIndex; i++ {
 		if !s.t.Piece(i).State().Complete {
@@ -88,35 +99,6 @@ func (s *Torrent) isFileComplete(startIndex int, endIndex int) bool {
 	return true
 }
 
-func (s *Torrent) ExcludedFiles() ([]*torrent.File, error) {
-	excludedFiles, err := s.rep.ExcludedFiles(s.t.InfoHash())
-	if err != nil {
-		return nil, err
-	}
-
-	<-s.t.GotInfo()
-	files := s.t.Files()
-	files = slices.DeleteFunc(files, func(file *torrent.File) bool {
-		p := file.Path()
-
-		if strings.Contains(p, "/.pad/") {
-			return false
-		}
-
-		if slices.Contains(excludedFiles, p) {
-			return false
-		}
-
-		return true
-	})
-
-	return files, nil
-}
-
-func (s *Torrent) ExcludeFile(f *torrent.File) error {
-	return s.rep.ExcludeFile(f)
-}
-
 func (s *Torrent) ValidateTorrent() error {
 	<-s.t.GotInfo()
 	s.t.VerifyData()

src/host/datastorage/piece_storage.go

@@ -0,0 +1,172 @@
+package datastorage
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"path"
+
+	"git.kmsign.ru/royalcat/tstor/src/host/controller"
+	"github.com/anacrolix/torrent"
+	"github.com/anacrolix/torrent/metainfo"
+	"github.com/anacrolix/torrent/storage"
+	"github.com/anacrolix/torrent/types/infohash"
+	"github.com/hashicorp/go-multierror"
+	"github.com/royalcat/kv"
+)
+
+type PieceStorage struct {
+	basePath    string
+	completion  storage.PieceCompletion
+	dirInfohash kv.Store[string, infohash.T]
+}
+
+func NewPieceStorage(path string, completion storage.PieceCompletion) *PieceStorage {
+	return &PieceStorage{
+		basePath:   path,
+		completion: completion,
+	}
+}
+
+var _ DataStorage = (*PieceStorage)(nil)
+
+// OpenTorrent implements FileStorageDeleter.
+func (p *PieceStorage) OpenTorrent(info *metainfo.Info, infoHash infohash.T) (storage.TorrentImpl, error) {
+	torrentPath := path.Join(p.basePath, infoHash.HexString())
+	descriptors := []*os.File{}
+
+	return storage.TorrentImpl{
+		Piece: func(piece metainfo.Piece) storage.PieceImpl {
+			hash := piece.Hash().HexString()
+			piecePrefixDir := path.Join(torrentPath, hash[:2])
+			err := os.MkdirAll(piecePrefixDir, os.ModePerm|os.ModeDir)
+			if err != nil {
+				return &errPiece{err: err}
+			}
+			piecePath := path.Join(torrentPath, hash[:2], hash)
+			file, err := os.OpenFile(piecePath, os.O_CREATE|os.O_RDWR, os.ModePerm)
+			if err != nil {
+				return &errPiece{err: err}
+			}
+			pk := metainfo.PieceKey{
+				InfoHash: infoHash,
+				Index:    piece.Index(),
+			}
+			return newPieceFile(pk, file, p.completion)
+
+			// file, err os.OpenFile(piecePath)
+		},
+		Flush: func() error {
+			var res error
+			for _, f := range descriptors {
+				if err := f.Sync(); err != nil {
+					res = multierror.Append(res, err)
+				}
+			}
+			return res
+		},
+		Close: func() error {
+			var res error
+			for _, f := range descriptors {
+				if err := f.Close(); err != nil {
+					res = multierror.Append(res, err)
+				}
+			}
+			return res
+		},
+	}, nil
+}
+
+// Close implements FileStorageDeleter.
+func (p *PieceStorage) Close() error {
+	return nil
+}
+
+// DeleteFile implements FileStorageDeleter.
+func (p *PieceStorage) DeleteFile(file *torrent.File) error {
+	return fmt.Errorf("not implemented")
+}
+
+// CleanupDirs implements DataStorage.
+func (p *PieceStorage) CleanupDirs(ctx context.Context, expected []*controller.Torrent, dryRun bool) (int, error) {
+	return 0, nil // TODO
+}
+
+// CleanupFiles implements DataStorage.
+func (p *PieceStorage) CleanupFiles(ctx context.Context, expected []*controller.Torrent, dryRun bool) (int, error) {
+	return 0, nil // TODO
+}
+
+func newPieceFile(pk metainfo.PieceKey, file *os.File, completion storage.PieceCompletionGetSetter) *piece {
+	return &piece{
+		pk:         pk,
+		File:       file,
+		completion: completion,
+	}
+}
+
+type piece struct {
+	*os.File
+	pk         metainfo.PieceKey
+	completion storage.PieceCompletionGetSetter
+}
+
+// Completion implements storage.PieceImpl.
+func (p *piece) Completion() storage.Completion {
+	compl, err := p.completion.Get(p.pk)
+	if err != nil {
+		return storage.Completion{Complete: false, Ok: false, Err: err}
+	}
+	return compl
+}
+
+// MarkComplete implements storage.PieceImpl.
+func (p *piece) MarkComplete() error {
+	return p.completion.Set(p.pk, true)
+}
+
+// MarkNotComplete implements storage.PieceImpl.
+func (p *piece) MarkNotComplete() error {
+	return p.completion.Set(p.pk, false)
+}
+
+var _ storage.PieceImpl = (*piece)(nil)
+var _ io.WriterTo = (*piece)(nil)
+
+type errPiece struct {
+	err error
+}
+
+// WriteTo implements io.WriterTo.
+func (p *errPiece) WriteTo(io.Writer) (int64, error) {
+	return 0, p.err
+}
+
+// ReadAt implements storage.PieceImpl.
+func (p *errPiece) ReadAt([]byte, int64) (int, error) {
+	return 0, p.err
+}
+
+// WriteAt implements storage.PieceImpl.
+func (p *errPiece) WriteAt([]byte, int64) (int, error) {
+	return 0, p.err
+}
+
+// Completion implements storage.PieceImpl.
+func (p *errPiece) Completion() storage.Completion {
+	return storage.Completion{Complete: false, Ok: false, Err: p.err}
+}
+
+// MarkComplete implements storage.PieceImpl.
+func (p *errPiece) MarkComplete() error {
+	return p.err
+}
+
+// MarkNotComplete implements storage.PieceImpl.
+func (p *errPiece) MarkNotComplete() error {
+	return p.err
+}
+
+var _ storage.PieceImpl = (*errPiece)(nil)
+var _ io.WriterTo = (*errPiece)(nil)

src/host/datastorage/setup.go

@@ -1,4 +1,4 @@
-package filestorage
+package datastorage
 
 import (
 	"fmt"
@@ -10,7 +10,7 @@ import (
 	"github.com/anacrolix/torrent/storage"
 )
 
-func Setup(cfg config.TorrentClient) (*FileStorage, storage.PieceCompletion, error) {
+func Setup(cfg config.TorrentClient) (DataStorage, storage.PieceCompletion, error) {
 	pcp := filepath.Join(cfg.MetadataFolder, "piece-completion")
 	if err := os.MkdirAll(pcp, 0744); err != nil {
 		return nil, nil, fmt.Errorf("error creating piece completion folder: %w", err)

src/host/datastorage/storage.go

@@ -1,4 +1,4 @@
-package filestorage
+package datastorage
 
 import (
 	"context"
@@ -14,9 +14,11 @@ import (
 	"github.com/anacrolix/torrent/storage"
 )
 
-type FileStorageDeleter interface {
+type DataStorage interface {
 	storage.ClientImplCloser
 	DeleteFile(file *torrent.File) error
+	CleanupDirs(ctx context.Context, expected []*controller.Torrent, dryRun bool) (int, error)
+	CleanupFiles(ctx context.Context, expected []*controller.Torrent, dryRun bool) (int, error)
 }
 
 // NewFileStorage creates a new ClientImplCloser that stores files using the OS native filesystem.
@@ -137,7 +139,7 @@ func (fs *FileStorage) CleanupFiles(ctx context.Context, expected []*controller.
 	expectedEntries := []string{}
 	{
 		for _, e := range expected {
-			files, err := e.Files()
+			files, err := e.Files(ctx)
 			if err != nil {
 				return 0, err
 			}

src/host/service/queue.go

@@ -0,0 +1,130 @@
+package service
+
+import (
+	"context"
+	"fmt"
+
+	"git.kmsign.ru/royalcat/tstor/pkg/uuid"
+	"git.kmsign.ru/royalcat/tstor/src/host/controller"
+	"github.com/anacrolix/torrent"
+	"github.com/anacrolix/torrent/types/infohash"
+)
+
+type TorrentDownloadTask struct {
+	ID       uuid.UUID
+	InfoHash infohash.T
+	File     string
+}
+
+func (s *Service) Download(ctx context.Context, task *TorrentDownloadTask) error {
+	t, ok := s.c.Torrent(task.InfoHash)
+	if !ok {
+		return fmt.Errorf("torrent with IH %s not found", task.InfoHash.HexString())
+	}
+
+	if task.File != "" {
+		var file *torrent.File
+		for _, tf := range t.Files() {
+			if tf.Path() == task.File {
+				file = tf
+				break
+			}
+		}
+
+		if file == nil {
+			return fmt.Errorf("file %s not found in torrent torrent with IH %s", task.File, task.InfoHash.HexString())
+		}
+
+		file.Download()
+		return nil
+	}
+
+	t.DownloadAll()
+	return nil
+}
+
+// func (s *Service) DownloadAndWait(ctx context.Context, task *TorrentDownloadTask) error {
+// 	t, ok := s.c.Torrent(task.InfoHash)
+// 	if !ok {
+// 		return fmt.Errorf("torrent with IH %s not found", task.InfoHash.HexString())
+// 	}
+
+// 	if task.File != "" {
+// 		var file *torrent.File
+// 		for _, tf := range t.Files() {
+// 			if tf.Path() == task.File {
+// 				file = tf
+// 				break
+// 			}
+// 		}
+
+// 		if file == nil {
+// 			return fmt.Errorf("file %s not found in torrent torrent with IH %s", task.File, task.InfoHash.HexString())
+// 		}
+
+// 		file.Download()
+// 		return waitPieceRange(ctx, t, file.BeginPieceIndex(), file.EndPieceIndex())
+
+// 	}
+
+// 	t.DownloadAll()
+// 	select {
+// 	case <-ctx.Done():
+// 		return ctx.Err()
+// 	case <-t.Complete.On():
+// 		return nil
+// 	}
+// }
+
+// func waitPieceRange(ctx context.Context, t *torrent.Torrent, start, end int) error {
+// 	for i := start; i < end; i++ {
+// 		timer := time.NewTimer(time.Millisecond)
+// 		for {
+// 			select {
+// 			case <-ctx.Done():
+// 				return ctx.Err()
+// 			case <-timer.C:
+// 				if t.PieceState(i).Complete {
+// 					continue
+// 				}
+// 			}
+
+// 		}
+// 	}
+// 	return nil
+// }
+
+type TorrentProgress struct {
+	Torrent *controller.Torrent
+	Current int64
+	Total   int64
+}
+
+func (s *Service) DownloadProgress(ctx context.Context) (<-chan TorrentProgress, error) {
+	torrents, err := s.ListTorrents(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	out := make(chan TorrentProgress, 1)
+	go func() {
+		defer close(out)
+		for _, t := range torrents {
+			sub := t.Torrent().SubscribePieceStateChanges()
+			go func() {
+				for range sub.Values {
+					out <- TorrentProgress{
+						Torrent: t,
+						Current: t.BytesCompleted(),
+						Total:   t.Length(),
+					}
+				}
+			}()
+			defer sub.Close()
+		}
+
+		<-ctx.Done()
+	}()
+
+	return out, nil
+}

src/host/service/service.go

@@ -11,9 +11,10 @@ import (
 	"time"
 
 	"git.kmsign.ru/royalcat/tstor/src/host/controller"
-	"git.kmsign.ru/royalcat/tstor/src/host/filestorage"
+	"git.kmsign.ru/royalcat/tstor/src/host/datastorage"
 	"git.kmsign.ru/royalcat/tstor/src/host/store"
 	"git.kmsign.ru/royalcat/tstor/src/host/vfs"
+	"go.uber.org/multierr"
 
 	"github.com/anacrolix/torrent"
 	"github.com/anacrolix/torrent/bencode"
@@ -24,21 +25,21 @@ import (
 
 type Service struct {
 	c             *torrent.Client
-	excludedFiles *store.ExlcudedFiles
+	excludedFiles *store.FilesMappings
 	infoBytes     *store.InfoBytes
 
 	torrentLoaded chan struct{}
 
 	// stats *Stats
 	DefaultPriority types.PiecePriority
-	Storage         *filestorage.FileStorage
+	Storage         datastorage.DataStorage
 	SourceDir       string
 
 	log                     *slog.Logger
 	addTimeout, readTimeout int
 }
 
-func NewService(sourceDir string, c *torrent.Client, storage *filestorage.FileStorage, excludedFiles *store.ExlcudedFiles, infoBytes *store.InfoBytes, addTimeout, readTimeout int) *Service {
+func NewService(sourceDir string, c *torrent.Client, storage datastorage.DataStorage, excludedFiles *store.FilesMappings, infoBytes *store.InfoBytes, addTimeout, readTimeout int) *Service {
 	s := &Service{
 		log:             slog.With("component", "torrent-service"),
 		c:               c,
@@ -66,6 +67,12 @@ func NewService(sourceDir string, c *torrent.Client, storage *filestorage.FileSt
 
 var _ vfs.FsFactory = (*Service)(nil).NewTorrentFs
 
+func (s *Service) Close() error {
+	err := multierr.Combine(s.c.Close()...)
+	err = multierr.Append(err, s.Storage.Close())
+	return err
+}
+
 func (s *Service) AddTorrent(ctx context.Context, f vfs.File) (*torrent.Torrent, error) {
 	defer f.Close()
 
@@ -102,17 +109,17 @@ func (s *Service) AddTorrent(ctx context.Context, f vfs.File) (*torrent.Torrent,
 		if err != nil {
 			infoBytes = nil
 		} else {
-			for _, t := range s.c.Torrents() {
+			// for _, t := range s.c.Torrents() {
-				if t.Name() == info.BestName() && t.InfoHash() != spec.InfoHash {
+			// 	if t.Name() == info.BestName() && t.InfoHash() != spec.InfoHash {
-					<-t.GotInfo()
+			// 		<-t.GotInfo()
-					if !isTorrentCompatable(*t.Info(), info) {
+			// 		if !isTorrentCompatable(*t.Info(), info) {
-						return nil, fmt.Errorf(
+			// 			return nil, fmt.Errorf(
-							"torrent with name '%s' not compatable existing infohash: %s, new: %s",
+			// 				"torrent with name '%s' not compatable existing infohash: %s, new: %s",
-							t.Name(), t.InfoHash().HexString(), spec.InfoHash.HexString(),
+			// 				t.Name(), t.InfoHash().HexString(), spec.InfoHash.HexString(),
-						)
+			// 			)
-					}
+			// 		}
-				}
+			// 	}
-			}
+			// }
 		}
 
 		t, _ = s.c.AddTorrentOpt(torrent.AddTorrentOpts{
@@ -123,7 +130,6 @@ func (s *Service) AddTorrent(ctx context.Context, f vfs.File) (*torrent.Torrent,
 		})
 		t.AllowDataDownload()
 		t.AllowDataUpload()
-		t.DownloadAll()
 
 		select {
 		case <-ctx.Done():

src/host/store/excluded-files.go

@@ -1,94 +0,0 @@
-package store
-
-import (
-	"errors"
-	"path/filepath"
-	"sync"
-
-	"github.com/anacrolix/torrent"
-	"github.com/anacrolix/torrent/metainfo"
-	"github.com/philippgille/gokv"
-	"github.com/philippgille/gokv/badgerdb"
-	"github.com/philippgille/gokv/encoding"
-)
-
-func NewExcludedFiles(metaDir string, storage TorrentFileDeleter) (*ExlcudedFiles, error) {
-	excludedFilesStore, err := badgerdb.NewStore(badgerdb.Options{
-		Dir:   filepath.Join(metaDir, "excluded-files"),
-		Codec: encoding.JSON,
-	})
-
-	if err != nil {
-		return nil, err
-	}
-
-	r := &ExlcudedFiles{
-		excludedFiles: excludedFilesStore,
-		storage:       storage,
-	}
-
-	return r, nil
-}
-
-type ExlcudedFiles struct {
-	m             sync.RWMutex
-	excludedFiles gokv.Store
-	storage       TorrentFileDeleter
-}
-
-var ErrNotFound = errors.New("not found")
-
-type TorrentFileDeleter interface {
-	DeleteFile(file *torrent.File) error
-}
-
-func (r *ExlcudedFiles) ExcludeFile(file *torrent.File) error {
-	r.m.Lock()
-	defer r.m.Unlock()
-
-	hash := file.Torrent().InfoHash()
-	var excludedFiles []string
-	found, err := r.excludedFiles.Get(hash.AsString(), &excludedFiles)
-	if err != nil {
-		return err
-	}
-	if !found {
-		excludedFiles = []string{}
-	}
-	excludedFiles = unique(append(excludedFiles, file.Path()))
-
-	err = r.storage.DeleteFile(file)
-	if err != nil {
-		return err
-	}
-
-	return r.excludedFiles.Set(hash.AsString(), excludedFiles)
-}
-
-func (r *ExlcudedFiles) ExcludedFiles(hash metainfo.Hash) ([]string, error) {
-	r.m.Lock()
-	defer r.m.Unlock()
-
-	var excludedFiles []string
-	found, err := r.excludedFiles.Get(hash.AsString(), &excludedFiles)
-	if err != nil {
-		return nil, err
-	}
-	if !found {
-		return nil, nil
-	}
-
-	return excludedFiles, nil
-}
-
-func unique[C comparable](intSlice []C) []C {
-	keys := make(map[C]bool)
-	list := []C{}
-	for _, entry := range intSlice {
-		if _, value := keys[entry]; !value {
-			keys[entry] = true
-			list = append(list, entry)
-		}
-	}
-	return list
-}

src/host/store/file-mappings.go

@@ -0,0 +1,57 @@
+package store
+
+import (
+	"context"
+	"errors"
+	"path/filepath"
+
+	"github.com/anacrolix/torrent"
+	"github.com/anacrolix/torrent/types/infohash"
+	"github.com/royalcat/kv"
+)
+
+func NewFileMappings(metaDir string, storage TorrentFileDeleter) (*FilesMappings, error) {
+	str, err := kv.NewBadgerKVBytes[string, string](filepath.Join(metaDir, "file-mappings"))
+	if err != nil {
+		return nil, err
+	}
+
+	r := &FilesMappings{
+		mappings: str,
+		storage:  storage,
+	}
+
+	return r, nil
+}
+
+type FilesMappings struct {
+	mappings kv.Store[string, string]
+	storage  TorrentFileDeleter
+}
+
+var ErrNotFound = errors.New("not found")
+
+type TorrentFileDeleter interface {
+	DeleteFile(file *torrent.File) error
+}
+
+func fileKey(file *torrent.File) string {
+	return file.Torrent().InfoHash().HexString() + "/" + file.Path()
+}
+
+func (r *FilesMappings) MapFile(ctx context.Context, file *torrent.File, target string) error {
+	return r.mappings.Set(ctx, fileKey(file), target)
+}
+
+func (r *FilesMappings) ExcludeFile(ctx context.Context, file *torrent.File) error {
+	return r.mappings.Set(ctx, fileKey(file), "")
+}
+
+func (r *FilesMappings) FileMappings(ctx context.Context, ih infohash.T) (map[string]string, error) {
+	out := map[string]string{}
+	err := r.mappings.RangeWithPrefix(ctx, ih.HexString(), func(k, v string) bool {
+		out[k] = v
+		return true
+	})
+	return out, err
+}

src/host/vfs/fs_test.go

@@ -21,7 +21,7 @@ func TestFileinfo(t *testing.T) {
 	require.Zero(fi.Type() & fs.ModeDir)
 	require.Zero(fi.Mode() & fs.ModeDir)
 	require.Equal(fs.FileMode(0555), fi.Mode())
-	require.Equal(nil, fi.Sys())
+	require.Nil(fi.Sys())
 }
 
 func TestDirInfo(t *testing.T) {
@@ -38,6 +38,6 @@ func TestDirInfo(t *testing.T) {
 	require.NotZero(fi.Type() & fs.ModeDir)
 	require.NotZero(fi.Mode() & fs.ModeDir)
 	require.Equal(defaultMode|fs.ModeDir, fi.Mode())
-	require.Equal(nil, fi.Sys())
+	require.Nil(fi.Sys())
 
 }

src/host/vfs/torrent.go

@@ -12,6 +12,7 @@ import (
 
 	"git.kmsign.ru/royalcat/tstor/src/host/controller"
 	"git.kmsign.ru/royalcat/tstor/src/iio"
+	"github.com/RoaringBitmap/roaring"
 	"github.com/anacrolix/missinggo/v2"
 	"github.com/anacrolix/torrent"
 	"golang.org/x/exp/maps"
@@ -46,17 +47,14 @@ func (fs *TorrentFs) files() (map[string]File, error) {
 		return fs.filesCache, nil
 	}
 
-	files, err := fs.c.Files()
+	files, err := fs.c.Files(context.Background())
 	if err != nil {
 		return nil, err
 	}
 
 	fs.filesCache = make(map[string]File)
 	for _, file := range files {
-		if file.BytesCompleted() == 0 {
+		file.Download()
-			continue
-		}
-
 		p := AbsPath(file.Path())
 
 		fs.filesCache[p] = &torrentFile{
@@ -107,6 +105,24 @@ DEFAULT_DIR:
 	return fs.filesCache, nil
 }
 
+func anyPeerHasFiles(file *torrent.File) bool {
+	for _, conn := range file.Torrent().PeerConns() {
+		if bitmapHaveFile(conn.PeerPieces(), file) {
+			return true
+		}
+	}
+	return false
+}
+
+func bitmapHaveFile(bitmap *roaring.Bitmap, file *torrent.File) bool {
+	for i := file.BeginPieceIndex(); i < file.EndPieceIndex(); i++ {
+		if !bitmap.ContainsInt(i) {
+			return false
+		}
+	}
+	return true
+}
+
 func listFilesRecursive(vfs Filesystem, start string) (map[string]File, error) {
 	out := make(map[string]File, 0)
 	entries, err := vfs.ReadDir(start)
@@ -222,7 +238,7 @@ func (fs *TorrentFs) Unlink(name string) error {
 		return ErrNotImplemented
 	}
 
-	return fs.c.ExcludeFile(tfile.file)
+	return fs.c.ExcludeFile(context.Background(), tfile.file)
 }
 
 type reader interface {

src/host/vfs/virtdir/vds.go

@@ -0,0 +1,21 @@
+package virtdir
+
+type SourceType string
+
+const (
+	VirtDirYtDlp SourceType = "yt-dlp"
+)
+
+type VirtDirSource interface {
+	SourceType() SourceType
+}
+
+var _ VirtDirSource = (*VirtDirSourceYtDlp)(nil)
+
+type VirtDirSourceYtDlp struct {
+	URL string `json:"url"`
+}
+
+func (VirtDirSourceYtDlp) SourceType() SourceType {
+	return VirtDirYtDlp
+}

src/log/nfs.go

@@ -11,13 +11,14 @@ import (
 var _ nfs.Logger = (*NFSLog)(nil)
 
 type NFSLog struct {
+	level nfs.LogLevel
 	// r *slog.Logger
 	l *slog.Logger
 }
 
 func NewNFSLog(r *slog.Logger) nfs.Logger {
 	return &NFSLog{
-		// r: r,
+		level: nfs.DebugLevel,
 		// l: r.Level(zerolog.DebugLevel),
 		l: r,
 	}
@@ -25,43 +26,75 @@ func NewNFSLog(r *slog.Logger) nfs.Logger {
 
 // Debug implements nfs.Logger.
 func (l *NFSLog) Debug(args ...interface{}) {
+	if l.level < nfs.DebugLevel {
+		return
+	}
+
 	l.l.Debug(fmt.Sprint(args...))
 }
 
 // Debugf implements nfs.Logger.
 func (l *NFSLog) Debugf(format string, args ...interface{}) {
+	if l.level < nfs.DebugLevel {
+		return
+	}
+
 	l.l.Debug(fmt.Sprintf(format, args...))
 }
 
 // Error implements nfs.Logger.
 func (l *NFSLog) Error(args ...interface{}) {
+	if l.level < nfs.ErrorLevel {
+		return
+	}
+
 	l.l.Error(fmt.Sprint(args...))
 }
 
 // Errorf implements nfs.Logger.
 func (l *NFSLog) Errorf(format string, args ...interface{}) {
+	if l.level < nfs.ErrorLevel {
+		return
+	}
+
 	l.l.Error(fmt.Sprintf(format, args...))
 }
 
 // Fatal implements nfs.Logger.
 func (l *NFSLog) Fatal(args ...interface{}) {
+	if l.level < nfs.FatalLevel {
+		return
+	}
+
 	l.l.Error(fmt.Sprint(args...))
 	log.Fatal(args...)
 }
 
 // Fatalf implements nfs.Logger.
 func (l *NFSLog) Fatalf(format string, args ...interface{}) {
+	if l.level < nfs.FatalLevel {
+		return
+	}
+
 	l.l.Error(fmt.Sprintf(format, args...))
 	log.Fatalf(format, args...)
 }
 
 // Info implements nfs.Logger.
 func (l *NFSLog) Info(args ...interface{}) {
+	if l.level < nfs.InfoLevel {
+		return
+	}
+
 	l.l.Info(fmt.Sprint(args...))
 }
 
 // Infof implements nfs.Logger.
 func (l *NFSLog) Infof(format string, args ...interface{}) {
+	if l.level < nfs.InfoLevel {
+		return
+	}
+
 	l.l.Info(fmt.Sprintf(format, args...))
 }
 
@@ -79,102 +112,85 @@ func (l *NFSLog) Panicf(format string, args ...interface{}) {
 
 // Print implements nfs.Logger.
 func (l *NFSLog) Print(args ...interface{}) {
+	if l.level < nfs.InfoLevel {
+		return
+	}
+
 	l.l.Info(fmt.Sprint(args...))
 }
 
 // Printf implements nfs.Logger.
 func (l *NFSLog) Printf(format string, args ...interface{}) {
+	if l.level < nfs.InfoLevel {
+		return
+	}
+
 	l.l.Info(fmt.Sprintf(format, args...))
 }
 
 // Trace implements nfs.Logger.
 func (l *NFSLog) Trace(args ...interface{}) {
+	if l.level < nfs.TraceLevel {
+		return
+	}
+
 	l.l.Debug(fmt.Sprint(args...))
 }
 
 // Tracef implements nfs.Logger.
 func (l *NFSLog) Tracef(format string, args ...interface{}) {
+	if l.level < nfs.TraceLevel {
+		return
+	}
+
 	l.l.Debug(fmt.Sprintf(format, args...))
 }
 
 // Warn implements nfs.Logger.
 func (l *NFSLog) Warn(args ...interface{}) {
+	if l.level < nfs.WarnLevel {
+		return
+	}
+
 	l.l.Warn(fmt.Sprint(args...))
 }
 
 // Warnf implements nfs.Logger.
 func (l *NFSLog) Warnf(format string, args ...interface{}) {
+	if l.level < nfs.WarnLevel {
+		return
+	}
+
 	l.l.Warn(fmt.Sprintf(format, args...))
 }
 
 // GetLevel implements nfs.Logger.
 func (l *NFSLog) GetLevel() nfs.LogLevel {
-	// zl := l.l.Handler()
+	return l.level
-	// switch zl {
-	// case zerolog.PanicLevel, zerolog.Disabled:
-	// 	return nfs.PanicLevel
-	// case zerolog.FatalLevel:
-	// 	return nfs.FatalLevel
-	// case zerolog.ErrorLevel:
-	// 	return nfs.ErrorLevel
-	// case zerolog.WarnLevel:
-	// 	return nfs.WarnLevel
-	// case zerolog.InfoLevel:
-	// 	return nfs.InfoLevel
-	// case zerolog.DebugLevel:
-	// 	return nfs.DebugLevel
-	// case zerolog.TraceLevel:
-	// 	return nfs.TraceLevel
-	// }
-	return nfs.TraceLevel
 }
 
 // ParseLevel implements nfs.Logger.
 func (l *NFSLog) ParseLevel(level string) (nfs.LogLevel, error) {
-	// switch level {
+	switch level {
-	// case "panic":
+	case "panic":
-	// 	return nfs.PanicLevel, nil
+		return nfs.PanicLevel, nil
-	// case "fatal":
+	case "fatal":
-	// 	return nfs.FatalLevel, nil
+		return nfs.FatalLevel, nil
-	// case "error":
+	case "error":
-	// 	return nfs.ErrorLevel, nil
+		return nfs.ErrorLevel, nil
-	// case "warn":
+	case "warn":
-	// 	return nfs.WarnLevel, nil
+		return nfs.WarnLevel, nil
-	// case "info":
+	case "info":
-	// 	return nfs.InfoLevel, nil
+		return nfs.InfoLevel, nil
-	// case "debug":
+	case "debug":
-	// 	return nfs.DebugLevel, nil
+		return nfs.DebugLevel, nil
-	// case "trace":
+	case "trace":
-	// 	return nfs.TraceLevel, nil
+		return nfs.TraceLevel, nil
-	// }
+	}
-	// var ll nfs.LogLevel
+	return 0, fmt.Errorf("invalid log level %q", level)
-	// return ll, fmt.Errorf("invalid log level %q", level)
-	return nfs.TraceLevel, fmt.Errorf("level change not supported")
 }
 
 // SetLevel implements nfs.Logger.
 func (l *NFSLog) SetLevel(level nfs.LogLevel) {
-	// switch level {
+	l.level = level
-	// case nfs.PanicLevel:
-	// 	l.l = l.r.Level(zerolog.PanicLevel)
-	// 	return
-	// case nfs.FatalLevel:
-	// 	l.l = l.r.Level(zerolog.FatalLevel)
-	// 	return
-	// case nfs.ErrorLevel:
-	// 	l.l = l.r.Level(zerolog.ErrorLevel)
-	// 	return
-	// case nfs.WarnLevel:
-	// 	l.l = l.r.Level(zerolog.WarnLevel)
-	// 	return
-	// case nfs.InfoLevel:
-	// 	l.l = l.r.Level(zerolog.InfoLevel)
-	// 	return
-	// case nfs.DebugLevel:
-	// 	l.l = l.r.Level(zerolog.DebugLevel)
-	// 	return
-	// case nfs.TraceLevel:
-	// 	l.l = l.r.Level(zerolog.TraceLevel)
-	// 	return
-	// }
 }