2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2020 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
31 xdr "github.com/davecgh/go-xdr/xdr2"
32 "github.com/flynn/noise"
36 MaxSPSize = 1<<16 - 256
42 MagicNNCPLv1 [8]byte = [8]byte{'N', 'N', 'C', 'P', 'S', 0, 0, 1}
47 SPHaltMarshalized []byte
48 SPPingMarshalized []byte
50 NoiseCipherSuite noise.CipherSuite = noise.NewCipherSuite(
52 noise.CipherChaChaPoly,
56 DefaultDeadline = 10 * time.Second
57 PingTimeout = time.Minute
59 spWorkersGroup sync.WaitGroup
65 SPTypeInfo SPType = iota
66 SPTypeFreq SPType = iota
67 SPTypeFile SPType = iota
68 SPTypeDone SPType = iota
69 SPTypeHalt SPType = iota
70 SPTypePing SPType = iota
103 type FreqWithNice struct {
108 type ConnDeadlined interface {
110 SetReadDeadline(t time.Time) error
111 SetWriteDeadline(t time.Time) error
116 spHead := SPHead{Type: SPTypeHalt}
117 if _, err := xdr.Marshal(&buf, spHead); err != nil {
120 SPHaltMarshalized = make([]byte, SPHeadOverhead)
121 copy(SPHaltMarshalized, buf.Bytes())
124 spHead = SPHead{Type: SPTypePing}
125 if _, err := xdr.Marshal(&buf, spHead); err != nil {
128 SPPingMarshalized = make([]byte, SPHeadOverhead)
129 copy(SPPingMarshalized, buf.Bytes())
132 spInfo := SPInfo{Nice: 123, Size: 123, Hash: new([32]byte)}
133 if _, err := xdr.Marshal(&buf, spInfo); err != nil {
136 SPInfoOverhead = buf.Len()
139 spFreq := SPFreq{Hash: new([32]byte), Offset: 123}
140 if _, err := xdr.Marshal(&buf, spFreq); err != nil {
143 SPFreqOverhead = buf.Len()
146 spFile := SPFile{Hash: new([32]byte), Offset: 123}
147 if _, err := xdr.Marshal(&buf, spFile); err != nil {
150 SPFileOverhead = buf.Len()
153 func MarshalSP(typ SPType, sp interface{}) []byte {
155 if _, err := xdr.Marshal(&buf, SPHead{typ}); err != nil {
158 if _, err := xdr.Marshal(&buf, sp); err != nil {
164 func payloadsSplit(payloads [][]byte) [][]byte {
165 var outbounds [][]byte
166 outbound := make([]byte, 0, MaxSPSize)
167 for i, payload := range payloads {
168 outbound = append(outbound, payload...)
169 if i+1 < len(payloads) && len(outbound)+len(payloads[i+1]) > MaxSPSize {
170 outbounds = append(outbounds, outbound)
171 outbound = make([]byte, 0, MaxSPSize)
174 if len(outbound) > 0 {
175 outbounds = append(outbounds, outbound)
180 type SPState struct {
184 onlineDeadline time.Duration
185 maxOnlineTime time.Duration
186 hs *noise.HandshakeState
187 csOur *noise.CipherState
188 csTheir *noise.CipherState
191 infosTheir map[[32]byte]*SPInfo
192 infosOurSeen map[[32]byte]uint8
193 queueTheir []*FreqWithNice
197 RxLastNonPing time.Time
200 TxLastNonPing time.Time
202 mustFinishAt time.Time
203 Duration time.Duration
213 onlyPkts map[[32]byte]bool
214 writeSPBuf bytes.Buffer
218 func (state *SPState) SetDead() {
223 // Already closed channel, dead
229 for _ = range state.payloads {
233 for _ = range state.pings {
238 func (state *SPState) NotAlive() bool {
247 func (state *SPState) dirUnlock() {
248 state.Ctx.UnlockDir(state.rxLock)
249 state.Ctx.UnlockDir(state.txLock)
252 func (state *SPState) WriteSP(dst io.Writer, payload []byte, ping bool) error {
253 state.writeSPBuf.Reset()
254 n, err := xdr.Marshal(&state.writeSPBuf, SPRaw{
261 if n, err = dst.Write(state.writeSPBuf.Bytes()); err == nil {
262 state.TxLastSeen = time.Now()
263 state.TxBytes += int64(n)
265 state.TxLastNonPing = state.TxLastSeen
271 func (state *SPState) ReadSP(src io.Reader) ([]byte, error) {
273 n, err := xdr.UnmarshalLimited(src, &sp, 1<<17)
275 ue := err.(*xdr.UnmarshalError)
276 if ue.Err == io.EOF {
281 state.RxLastSeen = time.Now()
282 state.RxBytes += int64(n)
283 if sp.Magic != MagicNNCPLv1 {
286 return sp.Payload, nil
289 func (ctx *Ctx) infosOur(nodeId *NodeId, nice uint8, seen *map[[32]byte]uint8) [][]byte {
292 for job := range ctx.Jobs(nodeId, TTx) {
293 job.Fd.Close() // #nosec G104
294 if job.PktEnc.Nice > nice {
297 if _, known := (*seen)[*job.HshValue]; known {
300 totalSize += job.Size
301 infos = append(infos, &SPInfo{
302 Nice: job.PktEnc.Nice,
303 Size: uint64(job.Size),
306 (*seen)[*job.HshValue] = job.PktEnc.Nice
308 sort.Sort(ByNice(infos))
309 var payloads [][]byte
310 for _, info := range infos {
311 payloads = append(payloads, MarshalSP(SPTypeInfo, info))
312 ctx.LogD("sp-info-our", SDS{
314 "name": Base32Codec.EncodeToString(info.Hash[:]),
319 ctx.LogI("sp-infos", SDS{
322 "pkts": len(payloads),
326 return payloadsSplit(payloads)
329 func (state *SPState) StartI(conn ConnDeadlined) error {
330 nodeId := state.Node.Id
331 err := state.Ctx.ensureRxDir(nodeId)
336 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TRx) {
337 rxLock, err = state.Ctx.LockDir(nodeId, string(TRx))
343 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
344 txLock, err = state.Ctx.LockDir(nodeId, string(TTx))
349 started := time.Now()
350 conf := noise.Config{
351 CipherSuite: NoiseCipherSuite,
352 Pattern: noise.HandshakeIK,
354 StaticKeypair: noise.DHKey{
355 Private: state.Ctx.Self.NoisePrv[:],
356 Public: state.Ctx.Self.NoisePub[:],
358 PeerStatic: state.Node.NoisePub[:],
360 hs, err := noise.NewHandshakeState(conf)
365 state.payloads = make(chan []byte)
366 state.pings = make(chan struct{})
367 state.infosTheir = make(map[[32]byte]*SPInfo)
368 state.infosOurSeen = make(map[[32]byte]uint8)
369 state.started = started
370 state.rxLock = rxLock
371 state.txLock = txLock
373 var infosPayloads [][]byte
374 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
375 infosPayloads = state.Ctx.infosOur(nodeId, state.Nice, &state.infosOurSeen)
377 var firstPayload []byte
378 if len(infosPayloads) > 0 {
379 firstPayload = infosPayloads[0]
381 // Pad first payload, to hide actual number of existing files
382 for i := 0; i < (MaxSPSize-len(firstPayload))/SPHeadOverhead; i++ {
383 firstPayload = append(firstPayload, SPHaltMarshalized...)
388 buf, _, _, err = state.hs.WriteMessage(nil, firstPayload)
393 sds := SDS{"node": nodeId, "nice": int(state.Nice)}
394 state.Ctx.LogD("sp-start", sds, "sending first message")
395 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
396 if err = state.WriteSP(conn, buf, false); err != nil {
397 state.Ctx.LogE("sp-start", sds, err, "")
401 state.Ctx.LogD("sp-start", sds, "waiting for first message")
402 conn.SetReadDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
403 if buf, err = state.ReadSP(conn); err != nil {
404 state.Ctx.LogE("sp-start", sds, err, "")
408 payload, state.csOur, state.csTheir, err = state.hs.ReadMessage(nil, buf)
410 state.Ctx.LogE("sp-start", sds, err, "")
414 state.Ctx.LogD("sp-start", sds, "starting workers")
415 err = state.StartWorkers(conn, infosPayloads, payload)
417 state.Ctx.LogE("sp-start", sds, err, "")
423 func (state *SPState) StartR(conn ConnDeadlined) error {
424 started := time.Now()
425 conf := noise.Config{
426 CipherSuite: NoiseCipherSuite,
427 Pattern: noise.HandshakeIK,
429 StaticKeypair: noise.DHKey{
430 Private: state.Ctx.Self.NoisePrv[:],
431 Public: state.Ctx.Self.NoisePub[:],
434 hs, err := noise.NewHandshakeState(conf)
440 state.payloads = make(chan []byte)
441 state.pings = make(chan struct{})
442 state.infosOurSeen = make(map[[32]byte]uint8)
443 state.infosTheir = make(map[[32]byte]*SPInfo)
444 state.started = started
445 state.xxOnly = xxOnly
448 state.Ctx.LogD("sp-start", SDS{"nice": int(state.Nice)}, "waiting for first message")
449 conn.SetReadDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
450 if buf, err = state.ReadSP(conn); err != nil {
451 state.Ctx.LogE("sp-start", SDS{}, err, "")
454 if payload, _, _, err = state.hs.ReadMessage(nil, buf); err != nil {
455 state.Ctx.LogE("sp-start", SDS{}, err, "")
460 for _, n := range state.Ctx.Neigh {
461 if subtle.ConstantTimeCompare(state.hs.PeerStatic(), n.NoisePub[:]) == 1 {
467 peerId := Base32Codec.EncodeToString(state.hs.PeerStatic())
468 state.Ctx.LogE("sp-start", SDS{"peer": peerId}, errors.New("unknown"), "")
469 return errors.New("Unknown peer: " + peerId)
472 state.rxRate = node.RxRate
473 state.txRate = node.TxRate
474 state.onlineDeadline = node.OnlineDeadline
475 state.maxOnlineTime = node.MaxOnlineTime
476 sds := SDS{"node": node.Id, "nice": int(state.Nice)}
478 if state.Ctx.ensureRxDir(node.Id); err != nil {
482 if xxOnly == "" || xxOnly == TRx {
483 rxLock, err = state.Ctx.LockDir(node.Id, string(TRx))
488 state.rxLock = rxLock
490 if xxOnly == "" || xxOnly == TTx {
491 txLock, err = state.Ctx.LockDir(node.Id, string(TTx))
496 state.txLock = txLock
498 var infosPayloads [][]byte
499 if xxOnly == "" || xxOnly == TTx {
500 infosPayloads = state.Ctx.infosOur(node.Id, state.Nice, &state.infosOurSeen)
502 var firstPayload []byte
503 if len(infosPayloads) > 0 {
504 firstPayload = infosPayloads[0]
506 // Pad first payload, to hide actual number of existing files
507 for i := 0; i < (MaxSPSize-len(firstPayload))/SPHeadOverhead; i++ {
508 firstPayload = append(firstPayload, SPHaltMarshalized...)
511 state.Ctx.LogD("sp-start", sds, "sending first message")
512 buf, state.csTheir, state.csOur, err = state.hs.WriteMessage(nil, firstPayload)
517 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
518 if err = state.WriteSP(conn, buf, false); err != nil {
519 state.Ctx.LogE("sp-start", sds, err, "")
523 state.Ctx.LogD("sp-start", sds, "starting workers")
524 err = state.StartWorkers(conn, infosPayloads, payload)
531 func (state *SPState) StartWorkers(
533 infosPayloads [][]byte,
536 sds := SDS{"node": state.Node.Id, "nice": int(state.Nice)}
537 state.isDead = make(chan struct{})
538 if state.maxOnlineTime > 0 {
539 state.mustFinishAt = state.started.Add(state.maxOnlineTime)
542 // Remaining handshake payload sending
543 if len(infosPayloads) > 1 {
546 for _, payload := range infosPayloads[1:] {
549 SdsAdd(sds, SDS{"size": len(payload)}),
550 "queuing remaining payload",
552 state.payloads <- payload
558 // Processing of first payload and queueing its responses
561 SdsAdd(sds, SDS{"size": len(payload)}),
562 "processing first payload",
564 replies, err := state.ProcessSP(payload)
566 state.Ctx.LogE("sp-work", sds, err, "")
571 for _, reply := range replies {
574 SdsAdd(sds, SDS{"size": len(reply)}),
577 state.payloads <- reply
585 deadlineTicker := time.NewTicker(time.Second)
586 pingTicker := time.NewTicker(PingTimeout)
591 deadlineTicker.Stop()
594 case now := <-deadlineTicker.C:
595 if (now.Sub(state.RxLastNonPing) >= state.onlineDeadline &&
596 now.Sub(state.TxLastNonPing) >= state.onlineDeadline) ||
597 (state.maxOnlineTime > 0 && state.mustFinishAt.Before(now)) ||
598 (now.Sub(state.RxLastSeen) >= 2*PingTimeout) {
600 conn.Close() // #nosec G104
602 case now := <-pingTicker.C:
603 if now.After(state.TxLastSeen.Add(PingTimeout)) {
606 state.pings <- struct{}{}
614 // Spool checker and INFOs sender of appearing files
615 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
618 ticker := time.NewTicker(time.Second)
626 for _, payload := range state.Ctx.infosOur(
633 SdsAdd(sds, SDS{"size": len(payload)}),
636 state.payloads <- payload
647 defer state.SetDead()
648 defer state.wg.Done()
650 if state.NotAlive() {
657 state.Ctx.LogD("sp-xmit", sds, "got ping")
658 payload = SPPingMarshalized
660 case payload = <-state.payloads:
663 SdsAdd(sds, SDS{"size": len(payload)}),
668 if len(state.queueTheir) == 0 {
670 time.Sleep(100 * time.Millisecond)
673 freq := state.queueTheir[0].freq
675 if state.txRate > 0 {
676 time.Sleep(time.Second / time.Duration(state.txRate))
678 sdsp := SdsAdd(sds, SDS{
680 "pkt": Base32Codec.EncodeToString(freq.Hash[:]),
681 "size": int64(freq.Offset),
683 state.Ctx.LogD("sp-file", sdsp, "queueing")
684 fd, err := os.Open(filepath.Join(
686 state.Node.Id.String(),
688 Base32Codec.EncodeToString(freq.Hash[:]),
691 state.Ctx.LogE("sp-file", sdsp, err, "")
696 state.Ctx.LogE("sp-file", sdsp, err, "")
699 fullSize := fi.Size()
701 if freq.Offset < uint64(fullSize) {
702 state.Ctx.LogD("sp-file", sdsp, "seeking")
703 if _, err = fd.Seek(int64(freq.Offset), io.SeekStart); err != nil {
704 state.Ctx.LogE("sp-file", sdsp, err, "")
707 buf = make([]byte, MaxSPSize-SPHeadOverhead-SPFileOverhead)
708 n, err := fd.Read(buf)
710 state.Ctx.LogE("sp-file", sdsp, err, "")
714 state.Ctx.LogD("sp-file", SdsAdd(sdsp, SDS{"size": n}), "read")
716 fd.Close() // #nosec G104
717 payload = MarshalSP(SPTypeFile, SPFile{
722 ourSize := freq.Offset + uint64(len(buf))
723 sdsp["size"] = int64(ourSize)
724 sdsp["fullsize"] = fullSize
725 if state.Ctx.ShowPrgrs {
729 if len(state.queueTheir) > 0 && *state.queueTheir[0].freq.Hash == *freq.Hash {
730 if ourSize == uint64(fullSize) {
731 state.Ctx.LogD("sp-file", sdsp, "finished")
732 if len(state.queueTheir) > 1 {
733 state.queueTheir = state.queueTheir[1:]
735 state.queueTheir = state.queueTheir[:0]
738 state.queueTheir[0].freq.Offset += uint64(len(buf))
741 state.Ctx.LogD("sp-file", sdsp, "queue disappeared")
745 state.Ctx.LogD("sp-xmit", SdsAdd(sds, SDS{"size": len(payload)}), "sending")
746 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
747 if err := state.WriteSP(conn, state.csOur.Encrypt(nil, nil, payload), ping); err != nil {
748 state.Ctx.LogE("sp-xmit", sds, err, "")
758 if state.NotAlive() {
761 state.Ctx.LogD("sp-recv", sds, "waiting for payload")
762 conn.SetReadDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
763 payload, err := state.ReadSP(conn)
768 unmarshalErr := err.(*xdr.UnmarshalError)
769 if os.IsTimeout(unmarshalErr.Err) {
772 if unmarshalErr.ErrorCode == xdr.ErrIO {
775 state.Ctx.LogE("sp-recv", sds, err, "")
780 SdsAdd(sds, SDS{"size": len(payload)}),
783 payload, err = state.csTheir.Decrypt(nil, nil, payload)
785 state.Ctx.LogE("sp-recv", sds, err, "")
790 SdsAdd(sds, SDS{"size": len(payload)}),
793 replies, err := state.ProcessSP(payload)
795 state.Ctx.LogE("sp-recv", sds, err, "")
800 for _, reply := range replies {
803 SdsAdd(sds, SDS{"size": len(reply)}),
806 state.payloads <- reply
810 if state.rxRate > 0 {
811 time.Sleep(time.Second / time.Duration(state.rxRate))
817 conn.Close() // #nosec G104
823 func (state *SPState) Wait() {
825 close(state.payloads)
828 state.Duration = time.Now().Sub(state.started)
829 state.RxSpeed = state.RxBytes
830 state.TxSpeed = state.TxBytes
831 rxDuration := int64(state.RxLastSeen.Sub(state.started).Seconds())
832 txDuration := int64(state.TxLastSeen.Sub(state.started).Seconds())
834 state.RxSpeed = state.RxBytes / rxDuration
837 state.TxSpeed = state.TxBytes / txDuration
841 func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
842 sds := SDS{"node": state.Node.Id, "nice": int(state.Nice)}
843 r := bytes.NewReader(payload)
848 state.Ctx.LogD("sp-process", sds, "unmarshaling header")
850 if _, err = xdr.Unmarshal(r, &head); err != nil {
851 state.Ctx.LogE("sp-process", sds, err, "")
854 if head.Type != SPTypePing {
855 state.RxLastNonPing = state.RxLastSeen
859 state.Ctx.LogD("sp-process", SdsAdd(sds, SDS{"type": "halt"}), "")
861 state.queueTheir = nil
864 state.Ctx.LogD("sp-process", SdsAdd(sds, SDS{"type": "ping"}), "")
867 sdsp := SdsAdd(sds, SDS{"type": "info"})
868 state.Ctx.LogD("sp-process", sdsp, "unmarshaling packet")
870 if _, err = xdr.Unmarshal(r, &info); err != nil {
871 state.Ctx.LogE("sp-process", sdsp, err, "")
874 sdsp = SdsAdd(sds, SDS{
875 "pkt": Base32Codec.EncodeToString(info.Hash[:]),
876 "size": int64(info.Size),
877 "nice": int(info.Nice),
879 if !state.listOnly && info.Nice > state.Nice {
880 state.Ctx.LogD("sp-process", sdsp, "too nice")
883 state.Ctx.LogD("sp-process", sdsp, "received")
884 if !state.listOnly && state.xxOnly == TTx {
888 state.infosTheir[*info.Hash] = &info
890 state.Ctx.LogD("sp-process", sdsp, "stating part")
891 pktPath := filepath.Join(
893 state.Node.Id.String(),
895 Base32Codec.EncodeToString(info.Hash[:]),
897 if _, err = os.Stat(pktPath); err == nil {
898 state.Ctx.LogI("sp-info", sdsp, "already done")
900 replies = append(replies, MarshalSP(SPTypeDone, SPDone{info.Hash}))
904 if _, err = os.Stat(pktPath + SeenSuffix); err == nil {
905 state.Ctx.LogI("sp-info", sdsp, "already seen")
907 replies = append(replies, MarshalSP(SPTypeDone, SPDone{info.Hash}))
911 fi, err := os.Stat(pktPath + PartSuffix)
916 if !state.Ctx.IsEnoughSpace(int64(info.Size) - offset) {
917 state.Ctx.LogI("sp-info", sdsp, "not enough space")
922 SdsAdd(sdsp, SDS{"offset": offset}),
925 if !state.listOnly && (state.onlyPkts == nil || state.onlyPkts[*info.Hash]) {
926 replies = append(replies, MarshalSP(
928 SPFreq{info.Hash, uint64(offset)},
932 sdsp := SdsAdd(sds, SDS{"type": "file"})
933 state.Ctx.LogD("sp-process", sdsp, "unmarshaling packet")
935 if _, err = xdr.Unmarshal(r, &file); err != nil {
936 state.Ctx.LogE("sp-process", SdsAdd(sds, SDS{"type": "file"}), err, "")
939 sdsp["xx"] = string(TRx)
940 sdsp["pkt"] = Base32Codec.EncodeToString(file.Hash[:])
941 sdsp["size"] = len(file.Payload)
942 dirToSync := filepath.Join(
944 state.Node.Id.String(),
947 filePath := filepath.Join(dirToSync, Base32Codec.EncodeToString(file.Hash[:]))
948 state.Ctx.LogD("sp-file", sdsp, "opening part")
949 fd, err := os.OpenFile(
951 os.O_RDWR|os.O_CREATE,
955 state.Ctx.LogE("sp-file", sdsp, err, "")
960 SdsAdd(sdsp, SDS{"offset": file.Offset}),
963 if _, err = fd.Seek(int64(file.Offset), io.SeekStart); err != nil {
964 state.Ctx.LogE("sp-file", sdsp, err, "")
965 fd.Close() // #nosec G104
968 state.Ctx.LogD("sp-file", sdsp, "writing")
969 _, err = fd.Write(file.Payload)
971 state.Ctx.LogE("sp-file", sdsp, err, "")
972 fd.Close() // #nosec G104
975 ourSize := int64(file.Offset + uint64(len(file.Payload)))
976 sdsp["size"] = ourSize
979 infoTheir, ok := state.infosTheir[*file.Hash]
982 fullsize = int64(infoTheir.Size)
984 sdsp["fullsize"] = fullsize
985 if state.Ctx.ShowPrgrs {
988 if fullsize != ourSize {
989 fd.Close() // #nosec G104
992 spWorkersGroup.Wait()
993 spWorkersGroup.Add(1)
995 if err := fd.Sync(); err != nil {
996 state.Ctx.LogE("sp-file", sdsp, err, "sync")
997 fd.Close() // #nosec G104
1001 defer state.wg.Done()
1002 fd.Seek(0, io.SeekStart)
1003 state.Ctx.LogD("sp-file", sdsp, "checking")
1004 gut, err := Check(fd, file.Hash[:], sdsp, state.Ctx.ShowPrgrs)
1005 fd.Close() // #nosec G104
1006 if err != nil || !gut {
1007 state.Ctx.LogE("sp-file", sdsp, errors.New("checksum mismatch"), "")
1010 state.Ctx.LogI("sp-done", SdsAdd(sdsp, SDS{"xx": string(TRx)}), "")
1011 if err = os.Rename(filePath+PartSuffix, filePath); err != nil {
1012 state.Ctx.LogE("sp-file", sdsp, err, "rename")
1015 if err = DirSync(dirToSync); err != nil {
1016 state.Ctx.LogE("sp-file", sdsp, err, "sync")
1020 delete(state.infosTheir, *file.Hash)
1022 spWorkersGroup.Done()
1025 state.payloads <- MarshalSP(SPTypeDone, SPDone{file.Hash})
1030 sdsp := SdsAdd(sds, SDS{"type": "done"})
1031 state.Ctx.LogD("sp-process", sdsp, "unmarshaling packet")
1033 if _, err = xdr.Unmarshal(r, &done); err != nil {
1034 state.Ctx.LogE("sp-process", SdsAdd(sds, SDS{"type": "done"}), err, "")
1037 sdsp["pkt"] = Base32Codec.EncodeToString(done.Hash[:])
1038 state.Ctx.LogD("sp-done", sdsp, "removing")
1039 err := os.Remove(filepath.Join(
1041 state.Node.Id.String(),
1043 Base32Codec.EncodeToString(done.Hash[:]),
1045 sdsp["xx"] = string(TTx)
1047 state.Ctx.LogI("sp-done", sdsp, "")
1049 state.Ctx.LogE("sp-done", sdsp, err, "")
1052 sdsp := SdsAdd(sds, SDS{"type": "freq"})
1053 state.Ctx.LogD("sp-process", sdsp, "unmarshaling packet")
1055 if _, err = xdr.Unmarshal(r, &freq); err != nil {
1056 state.Ctx.LogE("sp-process", sdsp, err, "")
1059 sdsp["pkt"] = Base32Codec.EncodeToString(freq.Hash[:])
1060 sdsp["offset"] = freq.Offset
1061 state.Ctx.LogD("sp-process", sdsp, "queueing")
1062 nice, exists := state.infosOurSeen[*freq.Hash]
1064 if state.onlyPkts == nil || !state.onlyPkts[*freq.Hash] {
1067 var freqWithNice *FreqWithNice
1068 for insertIdx, freqWithNice = range state.queueTheir {
1069 if freqWithNice.nice > nice {
1073 state.queueTheir = append(state.queueTheir, nil)
1074 copy(state.queueTheir[insertIdx+1:], state.queueTheir[insertIdx:])
1075 state.queueTheir[insertIdx] = &FreqWithNice{&freq, nice}
1078 state.Ctx.LogD("sp-process", sdsp, "skipping")
1081 state.Ctx.LogD("sp-process", sdsp, "unknown")
1086 SdsAdd(sds, SDS{"type": head.Type}),
1087 errors.New("unknown type"),
1090 return nil, BadPktType
1097 for _, info := range state.infosTheir {
1102 state.Ctx.LogI("sp-infos", SDS{
1104 "node": state.Node.Id,
1106 "size": int64(size),
1109 return payloadsSplit(replies), nil