2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2021 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 spCheckerToken chan struct{}
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()
151 spCheckerToken = make(chan struct{}, 1)
152 spCheckerToken <- struct{}{}
155 func MarshalSP(typ SPType, sp interface{}) []byte {
157 if _, err := xdr.Marshal(&buf, SPHead{typ}); err != nil {
160 if _, err := xdr.Marshal(&buf, sp); err != nil {
166 func payloadsSplit(payloads [][]byte) [][]byte {
167 var outbounds [][]byte
168 outbound := make([]byte, 0, MaxSPSize)
169 for i, payload := range payloads {
170 outbound = append(outbound, payload...)
171 if i+1 < len(payloads) && len(outbound)+len(payloads[i+1]) > MaxSPSize {
172 outbounds = append(outbounds, outbound)
173 outbound = make([]byte, 0, MaxSPSize)
176 if len(outbound) > 0 {
177 outbounds = append(outbounds, outbound)
182 type SPState struct {
186 onlineDeadline time.Duration
187 maxOnlineTime time.Duration
188 hs *noise.HandshakeState
189 csOur *noise.CipherState
190 csTheir *noise.CipherState
193 infosTheir map[[32]byte]*SPInfo
194 infosOurSeen map[[32]byte]uint8
195 queueTheir []*FreqWithNice
199 RxLastNonPing time.Time
202 TxLastNonPing time.Time
204 mustFinishAt time.Time
205 Duration time.Duration
215 onlyPkts map[[32]byte]bool
216 writeSPBuf bytes.Buffer
220 func (state *SPState) SetDead() {
225 // Already closed channel, dead
231 for range state.payloads {
235 for range state.pings {
240 func (state *SPState) NotAlive() bool {
249 func (state *SPState) dirUnlock() {
250 state.Ctx.UnlockDir(state.rxLock)
251 state.Ctx.UnlockDir(state.txLock)
254 func (state *SPState) WriteSP(dst io.Writer, payload []byte, ping bool) error {
255 state.writeSPBuf.Reset()
256 n, err := xdr.Marshal(&state.writeSPBuf, SPRaw{
263 if n, err = dst.Write(state.writeSPBuf.Bytes()); err == nil {
264 state.TxLastSeen = time.Now()
265 state.TxBytes += int64(n)
267 state.TxLastNonPing = state.TxLastSeen
273 func (state *SPState) ReadSP(src io.Reader) ([]byte, error) {
275 n, err := xdr.UnmarshalLimited(src, &sp, 1<<17)
277 ue := err.(*xdr.UnmarshalError)
278 if ue.Err == io.EOF {
283 state.RxLastSeen = time.Now()
284 state.RxBytes += int64(n)
285 if sp.Magic != MagicNNCPLv1 {
288 return sp.Payload, nil
291 func (ctx *Ctx) infosOur(nodeId *NodeId, nice uint8, seen *map[[32]byte]uint8) [][]byte {
294 for job := range ctx.Jobs(nodeId, TTx) {
295 if job.PktEnc.Nice > nice {
298 if _, known := (*seen)[*job.HshValue]; known {
301 totalSize += job.Size
302 infos = append(infos, &SPInfo{
303 Nice: job.PktEnc.Nice,
304 Size: uint64(job.Size),
307 (*seen)[*job.HshValue] = job.PktEnc.Nice
309 sort.Sort(ByNice(infos))
310 var payloads [][]byte
311 for _, info := range infos {
312 payloads = append(payloads, MarshalSP(SPTypeInfo, info))
313 ctx.LogD("sp-info-our", LEs{
315 {"Name", Base32Codec.EncodeToString(info.Hash[:])},
320 ctx.LogI("sp-infos", LEs{
323 {"Pkts", len(payloads)},
327 return payloadsSplit(payloads)
330 func (state *SPState) StartI(conn ConnDeadlined) error {
331 nodeId := state.Node.Id
332 err := state.Ctx.ensureRxDir(nodeId)
337 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TRx) {
338 rxLock, err = state.Ctx.LockDir(nodeId, string(TRx))
344 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
345 txLock, err = state.Ctx.LockDir(nodeId, string(TTx))
350 started := time.Now()
351 conf := noise.Config{
352 CipherSuite: NoiseCipherSuite,
353 Pattern: noise.HandshakeIK,
355 StaticKeypair: noise.DHKey{
356 Private: state.Ctx.Self.NoisePrv[:],
357 Public: state.Ctx.Self.NoisePub[:],
359 PeerStatic: state.Node.NoisePub[:],
361 hs, err := noise.NewHandshakeState(conf)
366 state.payloads = make(chan []byte)
367 state.pings = make(chan struct{})
368 state.infosTheir = make(map[[32]byte]*SPInfo)
369 state.infosOurSeen = make(map[[32]byte]uint8)
370 state.started = started
371 state.rxLock = rxLock
372 state.txLock = txLock
374 var infosPayloads [][]byte
375 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
376 infosPayloads = state.Ctx.infosOur(nodeId, state.Nice, &state.infosOurSeen)
378 var firstPayload []byte
379 if len(infosPayloads) > 0 {
380 firstPayload = infosPayloads[0]
382 // Pad first payload, to hide actual number of existing files
383 for i := 0; i < (MaxSPSize-len(firstPayload))/SPHeadOverhead; i++ {
384 firstPayload = append(firstPayload, SPHaltMarshalized...)
389 buf, _, _, err = state.hs.WriteMessage(nil, firstPayload)
394 les := LEs{{"Node", nodeId}, {"Nice", int(state.Nice)}}
395 state.Ctx.LogD("sp-start", les, "sending first message")
396 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
397 if err = state.WriteSP(conn, buf, false); err != nil {
398 state.Ctx.LogE("sp-start", les, err, "")
402 state.Ctx.LogD("sp-start", les, "waiting for first message")
403 conn.SetReadDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
404 if buf, err = state.ReadSP(conn); err != nil {
405 state.Ctx.LogE("sp-start", les, err, "")
409 payload, state.csOur, state.csTheir, err = state.hs.ReadMessage(nil, buf)
411 state.Ctx.LogE("sp-start", les, err, "")
415 state.Ctx.LogD("sp-start", les, "starting workers")
416 err = state.StartWorkers(conn, infosPayloads, payload)
418 state.Ctx.LogE("sp-start", les, err, "")
424 func (state *SPState) StartR(conn ConnDeadlined) error {
425 started := time.Now()
426 conf := noise.Config{
427 CipherSuite: NoiseCipherSuite,
428 Pattern: noise.HandshakeIK,
430 StaticKeypair: noise.DHKey{
431 Private: state.Ctx.Self.NoisePrv[:],
432 Public: state.Ctx.Self.NoisePub[:],
435 hs, err := noise.NewHandshakeState(conf)
441 state.payloads = make(chan []byte)
442 state.pings = make(chan struct{})
443 state.infosOurSeen = make(map[[32]byte]uint8)
444 state.infosTheir = make(map[[32]byte]*SPInfo)
445 state.started = started
446 state.xxOnly = xxOnly
449 state.Ctx.LogD("sp-start", LEs{{"Nice", int(state.Nice)}}, "waiting for first message")
450 conn.SetReadDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
451 if buf, err = state.ReadSP(conn); err != nil {
452 state.Ctx.LogE("sp-start", LEs{}, err, "")
455 if payload, _, _, err = state.hs.ReadMessage(nil, buf); err != nil {
456 state.Ctx.LogE("sp-start", LEs{}, err, "")
461 for _, n := range state.Ctx.Neigh {
462 if subtle.ConstantTimeCompare(state.hs.PeerStatic(), n.NoisePub[:]) == 1 {
468 peerId := Base32Codec.EncodeToString(state.hs.PeerStatic())
469 state.Ctx.LogE("sp-start", LEs{{"Peer", peerId}}, errors.New("unknown peer"), "")
470 return errors.New("Unknown peer: " + peerId)
473 state.rxRate = node.RxRate
474 state.txRate = node.TxRate
475 state.onlineDeadline = node.OnlineDeadline
476 state.maxOnlineTime = node.MaxOnlineTime
477 les := LEs{{"Node", node.Id}, {"Nice", int(state.Nice)}}
479 if err = state.Ctx.ensureRxDir(node.Id); err != nil {
483 if xxOnly == "" || xxOnly == TRx {
484 rxLock, err = state.Ctx.LockDir(node.Id, string(TRx))
489 state.rxLock = rxLock
491 if xxOnly == "" || xxOnly == TTx {
492 txLock, err = state.Ctx.LockDir(node.Id, string(TTx))
497 state.txLock = txLock
499 var infosPayloads [][]byte
500 if xxOnly == "" || xxOnly == TTx {
501 infosPayloads = state.Ctx.infosOur(node.Id, state.Nice, &state.infosOurSeen)
503 var firstPayload []byte
504 if len(infosPayloads) > 0 {
505 firstPayload = infosPayloads[0]
507 // Pad first payload, to hide actual number of existing files
508 for i := 0; i < (MaxSPSize-len(firstPayload))/SPHeadOverhead; i++ {
509 firstPayload = append(firstPayload, SPHaltMarshalized...)
512 state.Ctx.LogD("sp-start", les, "sending first message")
513 buf, state.csTheir, state.csOur, err = state.hs.WriteMessage(nil, firstPayload)
518 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
519 if err = state.WriteSP(conn, buf, false); err != nil {
520 state.Ctx.LogE("sp-start", les, err, "")
524 state.Ctx.LogD("sp-start", les, "starting workers")
525 err = state.StartWorkers(conn, infosPayloads, payload)
532 func (state *SPState) StartWorkers(
534 infosPayloads [][]byte,
537 les := LEs{{"Node", state.Node.Id}, {"Nice", int(state.Nice)}}
538 state.isDead = make(chan struct{})
539 if state.maxOnlineTime > 0 {
540 state.mustFinishAt = state.started.Add(state.maxOnlineTime)
543 // Remaining handshake payload sending
544 if len(infosPayloads) > 1 {
547 for _, payload := range infosPayloads[1:] {
550 append(les, LE{"Size", len(payload)}),
551 "queuing remaining payload",
553 state.payloads <- payload
559 // Processing of first payload and queueing its responses
562 append(les, LE{"Size", len(payload)}),
563 "processing first payload",
565 replies, err := state.ProcessSP(payload)
567 state.Ctx.LogE("sp-work", les, err, "")
572 for _, reply := range replies {
575 append(les, LE{"Size", len(reply)}),
578 state.payloads <- reply
586 deadlineTicker := time.NewTicker(time.Second)
587 pingTicker := time.NewTicker(PingTimeout)
592 deadlineTicker.Stop()
595 case now := <-deadlineTicker.C:
596 if (now.Sub(state.RxLastNonPing) >= state.onlineDeadline &&
597 now.Sub(state.TxLastNonPing) >= state.onlineDeadline) ||
598 (state.maxOnlineTime > 0 && state.mustFinishAt.Before(now)) ||
599 (now.Sub(state.RxLastSeen) >= 2*PingTimeout) {
601 conn.Close() // #nosec G104
603 case now := <-pingTicker.C:
604 if now.After(state.TxLastSeen.Add(PingTimeout)) {
607 state.pings <- struct{}{}
615 // Spool checker and INFOs sender of appearing files
616 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
619 ticker := time.NewTicker(time.Second)
627 for _, payload := range state.Ctx.infosOur(
634 append(les, LE{"Size", len(payload)}),
637 state.payloads <- payload
648 defer state.SetDead()
649 defer state.wg.Done()
651 if state.NotAlive() {
658 state.Ctx.LogD("sp-xmit", les, "got ping")
659 payload = SPPingMarshalized
661 case payload = <-state.payloads:
664 append(les, LE{"Size", len(payload)}),
669 if len(state.queueTheir) == 0 {
671 time.Sleep(100 * time.Millisecond)
674 freq := state.queueTheir[0].freq
676 if state.txRate > 0 {
677 time.Sleep(time.Second / time.Duration(state.txRate))
679 lesp := append(les, LEs{
681 {"Pkt", Base32Codec.EncodeToString(freq.Hash[:])},
682 {"Size", int64(freq.Offset)},
684 state.Ctx.LogD("sp-file", lesp, "queueing")
685 fd, err := os.Open(filepath.Join(
687 state.Node.Id.String(),
689 Base32Codec.EncodeToString(freq.Hash[:]),
692 state.Ctx.LogE("sp-file", lesp, err, "")
697 state.Ctx.LogE("sp-file", lesp, err, "")
700 fullSize := fi.Size()
702 if freq.Offset < uint64(fullSize) {
703 state.Ctx.LogD("sp-file", lesp, "seeking")
704 if _, err = fd.Seek(int64(freq.Offset), io.SeekStart); err != nil {
705 state.Ctx.LogE("sp-file", lesp, err, "")
708 buf = make([]byte, MaxSPSize-SPHeadOverhead-SPFileOverhead)
709 n, err := fd.Read(buf)
711 state.Ctx.LogE("sp-file", lesp, err, "")
715 state.Ctx.LogD("sp-file", append(lesp, LE{"Size", n}), "read")
717 fd.Close() // #nosec G104
718 payload = MarshalSP(SPTypeFile, SPFile{
723 ourSize := freq.Offset + uint64(len(buf))
724 lesp = append(lesp, LE{"Size", int64(ourSize)})
725 lesp = append(lesp, LE{"FullSize", fullSize})
726 if state.Ctx.ShowPrgrs {
730 if len(state.queueTheir) > 0 && *state.queueTheir[0].freq.Hash == *freq.Hash {
731 if ourSize == uint64(fullSize) {
732 state.Ctx.LogD("sp-file", lesp, "finished")
733 if len(state.queueTheir) > 1 {
734 state.queueTheir = state.queueTheir[1:]
736 state.queueTheir = state.queueTheir[:0]
739 state.queueTheir[0].freq.Offset += uint64(len(buf))
742 state.Ctx.LogD("sp-file", lesp, "queue disappeared")
746 state.Ctx.LogD("sp-xmit", append(les, LE{"Size", len(payload)}), "sending")
747 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
748 if err := state.WriteSP(conn, state.csOur.Encrypt(nil, nil, payload), ping); err != nil {
749 state.Ctx.LogE("sp-xmit", les, err, "")
759 if state.NotAlive() {
762 state.Ctx.LogD("sp-recv", les, "waiting for payload")
763 conn.SetReadDeadline(time.Now().Add(DefaultDeadline)) // #nosec G104
764 payload, err := state.ReadSP(conn)
769 unmarshalErr := err.(*xdr.UnmarshalError)
770 if os.IsTimeout(unmarshalErr.Err) {
773 if unmarshalErr.ErrorCode == xdr.ErrIO {
776 state.Ctx.LogE("sp-recv", les, err, "")
781 append(les, LE{"Size", len(payload)}),
784 payload, err = state.csTheir.Decrypt(nil, nil, payload)
786 state.Ctx.LogE("sp-recv", les, err, "")
791 append(les, LE{"Size", len(payload)}),
794 replies, err := state.ProcessSP(payload)
796 state.Ctx.LogE("sp-recv", les, err, "")
801 for _, reply := range replies {
804 append(les, LE{"Size", len(reply)}),
807 state.payloads <- reply
811 if state.rxRate > 0 {
812 time.Sleep(time.Second / time.Duration(state.rxRate))
818 conn.Close() // #nosec G104
824 func (state *SPState) Wait() {
826 close(state.payloads)
829 state.Duration = time.Now().Sub(state.started)
830 state.RxSpeed = state.RxBytes
831 state.TxSpeed = state.TxBytes
832 rxDuration := int64(state.RxLastSeen.Sub(state.started).Seconds())
833 txDuration := int64(state.TxLastSeen.Sub(state.started).Seconds())
835 state.RxSpeed = state.RxBytes / rxDuration
838 state.TxSpeed = state.TxBytes / txDuration
842 func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
843 les := LEs{{"Node", state.Node.Id}, {"Nice", int(state.Nice)}}
844 r := bytes.NewReader(payload)
849 state.Ctx.LogD("sp-process", les, "unmarshaling header")
851 if _, err = xdr.Unmarshal(r, &head); err != nil {
852 state.Ctx.LogE("sp-process", les, err, "")
855 if head.Type != SPTypePing {
856 state.RxLastNonPing = state.RxLastSeen
860 state.Ctx.LogD("sp-process", append(les, LE{"Type", "halt"}), "")
862 state.queueTheir = nil
865 state.Ctx.LogD("sp-process", append(les, LE{"Type", "ping"}), "")
868 lesp := append(les, LE{"Type", "info"})
869 state.Ctx.LogD("sp-process", lesp, "unmarshaling packet")
871 if _, err = xdr.Unmarshal(r, &info); err != nil {
872 state.Ctx.LogE("sp-process", lesp, err, "")
875 lesp = append(lesp, LEs{
876 {"Pkt", Base32Codec.EncodeToString(info.Hash[:])},
877 {"Size", int64(info.Size)},
878 {"Nice", int(info.Nice)},
880 if !state.listOnly && info.Nice > state.Nice {
881 state.Ctx.LogD("sp-process", lesp, "too nice")
884 state.Ctx.LogD("sp-process", lesp, "received")
885 if !state.listOnly && state.xxOnly == TTx {
889 state.infosTheir[*info.Hash] = &info
891 state.Ctx.LogD("sp-process", lesp, "stating part")
892 pktPath := filepath.Join(
894 state.Node.Id.String(),
896 Base32Codec.EncodeToString(info.Hash[:]),
898 if _, err = os.Stat(pktPath); err == nil {
899 state.Ctx.LogI("sp-info", lesp, "already done")
901 replies = append(replies, MarshalSP(SPTypeDone, SPDone{info.Hash}))
905 if _, err = os.Stat(pktPath + SeenSuffix); err == nil {
906 state.Ctx.LogI("sp-info", lesp, "already seen")
908 replies = append(replies, MarshalSP(SPTypeDone, SPDone{info.Hash}))
912 fi, err := os.Stat(pktPath + PartSuffix)
917 if !state.Ctx.IsEnoughSpace(int64(info.Size) - offset) {
918 state.Ctx.LogI("sp-info", lesp, "not enough space")
921 state.Ctx.LogI("sp-info", append(lesp, LE{"Offset", offset}), "")
922 if !state.listOnly && (state.onlyPkts == nil || state.onlyPkts[*info.Hash]) {
923 replies = append(replies, MarshalSP(
925 SPFreq{info.Hash, uint64(offset)},
929 lesp := append(les, LE{"Type", "file"})
930 state.Ctx.LogD("sp-process", lesp, "unmarshaling packet")
932 if _, err = xdr.Unmarshal(r, &file); err != nil {
933 state.Ctx.LogE("sp-process", lesp, err, "")
936 lesp = append(lesp, LEs{
938 {"Pkt", Base32Codec.EncodeToString(file.Hash[:])},
939 {"Size", len(file.Payload)},
941 dirToSync := filepath.Join(
943 state.Node.Id.String(),
946 filePath := filepath.Join(dirToSync, Base32Codec.EncodeToString(file.Hash[:]))
947 state.Ctx.LogD("sp-file", lesp, "opening part")
948 fd, err := os.OpenFile(
950 os.O_RDWR|os.O_CREATE,
954 state.Ctx.LogE("sp-file", lesp, err, "")
957 state.Ctx.LogD("sp-file", append(lesp, LE{"Offset", file.Offset}), "seeking")
958 if _, err = fd.Seek(int64(file.Offset), io.SeekStart); err != nil {
959 state.Ctx.LogE("sp-file", lesp, err, "")
960 fd.Close() // #nosec G104
963 state.Ctx.LogD("sp-file", lesp, "writing")
964 _, err = fd.Write(file.Payload)
966 state.Ctx.LogE("sp-file", lesp, err, "")
967 fd.Close() // #nosec G104
970 ourSize := int64(file.Offset + uint64(len(file.Payload)))
971 lesp[len(lesp)-1].V = ourSize
974 infoTheir, ok := state.infosTheir[*file.Hash]
977 fullsize = int64(infoTheir.Size)
979 lesp = append(lesp, LE{"FullSize", fullsize})
980 if state.Ctx.ShowPrgrs {
983 if fullsize != ourSize {
984 fd.Close() // #nosec G104
990 spCheckerToken <- struct{}{}
992 if err := fd.Sync(); err != nil {
993 state.Ctx.LogE("sp-file", lesp, err, "sync")
994 fd.Close() // #nosec G104
998 defer state.wg.Done()
999 if _, err = fd.Seek(0, io.SeekStart); err != nil {
1000 fd.Close() // #nosec G104
1001 state.Ctx.LogE("sp-file", lesp, err, "")
1004 state.Ctx.LogD("sp-file", lesp, "checking")
1005 gut, err := Check(fd, file.Hash[:], lesp, state.Ctx.ShowPrgrs)
1006 fd.Close() // #nosec G104
1007 if err != nil || !gut {
1008 state.Ctx.LogE("sp-file", lesp, errors.New("checksum mismatch"), "")
1011 state.Ctx.LogI("sp-done", lesp, "")
1012 if err = os.Rename(filePath+PartSuffix, filePath); err != nil {
1013 state.Ctx.LogE("sp-file", lesp, err, "rename")
1016 if err = DirSync(dirToSync); err != nil {
1017 state.Ctx.LogE("sp-file", lesp, err, "sync")
1021 delete(state.infosTheir, *file.Hash)
1025 state.payloads <- MarshalSP(SPTypeDone, SPDone{file.Hash})
1030 lesp := append(les, LE{"Type", "done"})
1031 state.Ctx.LogD("sp-process", lesp, "unmarshaling packet")
1033 if _, err = xdr.Unmarshal(r, &done); err != nil {
1034 state.Ctx.LogE("sp-process", lesp, err, "")
1037 lesp = append(lesp, LE{"Pkt", Base32Codec.EncodeToString(done.Hash[:])})
1038 state.Ctx.LogD("sp-done", lesp, "removing")
1039 err := os.Remove(filepath.Join(
1041 state.Node.Id.String(),
1043 Base32Codec.EncodeToString(done.Hash[:]),
1045 lesp = append(lesp, LE{"XX", string(TTx)})
1047 state.Ctx.LogI("sp-done", lesp, "")
1049 state.Ctx.LogE("sp-done", lesp, err, "")
1052 lesp := append(les, LE{"Type", "freq"})
1053 state.Ctx.LogD("sp-process", lesp, "unmarshaling packet")
1055 if _, err = xdr.Unmarshal(r, &freq); err != nil {
1056 state.Ctx.LogE("sp-process", lesp, err, "")
1059 lesp = append(lesp, LE{"Pkt", Base32Codec.EncodeToString(freq.Hash[:])})
1060 lesp = append(lesp, LE{"Offset", freq.Offset})
1061 state.Ctx.LogD("sp-process", lesp, "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", lesp, "skipping")
1081 state.Ctx.LogD("sp-process", lesp, "unknown")
1086 append(les, LE{"Type", head.Type}),
1087 errors.New("unknown type"),
1090 return nil, BadPktType
1097 for _, info := range state.infosTheir {
1102 state.Ctx.LogI("sp-infos", LEs{
1103 {"XX", string(TRx)},
1104 {"Node", state.Node.Id},
1106 {"Size", int64(size)},
1109 return payloadsSplit(replies), nil