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/>.
32 xdr "github.com/davecgh/go-xdr/xdr2"
33 "github.com/flynn/noise"
37 MaxSPSize = 1<<16 - 256
43 MagicNNCPLv1 [8]byte = [8]byte{'N', 'N', 'C', 'P', 'S', 0, 0, 1}
48 SPHaltMarshalized []byte
49 SPPingMarshalized []byte
51 NoiseCipherSuite noise.CipherSuite = noise.NewCipherSuite(
53 noise.CipherChaChaPoly,
57 DefaultDeadline = 10 * time.Second
58 PingTimeout = time.Minute
60 spWorkersGroup sync.WaitGroup
66 SPTypeInfo SPType = iota
67 SPTypeFreq SPType = iota
68 SPTypeFile SPType = iota
69 SPTypeDone SPType = iota
70 SPTypeHalt SPType = iota
71 SPTypePing SPType = iota
104 type FreqWithNice struct {
109 type ConnDeadlined interface {
111 SetReadDeadline(t time.Time) error
112 SetWriteDeadline(t time.Time) error
117 spHead := SPHead{Type: SPTypeHalt}
118 if _, err := xdr.Marshal(&buf, spHead); err != nil {
121 SPHaltMarshalized = make([]byte, SPHeadOverhead)
122 copy(SPHaltMarshalized, buf.Bytes())
125 spHead = SPHead{Type: SPTypePing}
126 if _, err := xdr.Marshal(&buf, spHead); err != nil {
129 SPPingMarshalized = make([]byte, SPHeadOverhead)
130 copy(SPPingMarshalized, buf.Bytes())
133 spInfo := SPInfo{Nice: 123, Size: 123, Hash: new([32]byte)}
134 if _, err := xdr.Marshal(&buf, spInfo); err != nil {
137 SPInfoOverhead = buf.Len()
140 spFreq := SPFreq{Hash: new([32]byte), Offset: 123}
141 if _, err := xdr.Marshal(&buf, spFreq); err != nil {
144 SPFreqOverhead = buf.Len()
147 spFile := SPFile{Hash: new([32]byte), Offset: 123}
148 if _, err := xdr.Marshal(&buf, spFile); err != nil {
151 SPFileOverhead = buf.Len()
154 func MarshalSP(typ SPType, sp interface{}) []byte {
156 if _, err := xdr.Marshal(&buf, SPHead{typ}); err != nil {
159 if _, err := xdr.Marshal(&buf, sp); err != nil {
165 func payloadsSplit(payloads [][]byte) [][]byte {
166 var outbounds [][]byte
167 outbound := make([]byte, 0, MaxSPSize)
168 for i, payload := range payloads {
169 outbound = append(outbound, payload...)
170 if i+1 < len(payloads) && len(outbound)+len(payloads[i+1]) > MaxSPSize {
171 outbounds = append(outbounds, outbound)
172 outbound = make([]byte, 0, MaxSPSize)
175 if len(outbound) > 0 {
176 outbounds = append(outbounds, outbound)
181 type SPState struct {
185 onlineDeadline time.Duration
186 maxOnlineTime time.Duration
187 hs *noise.HandshakeState
188 csOur *noise.CipherState
189 csTheir *noise.CipherState
192 infosTheir map[[32]byte]*SPInfo
193 infosOurSeen map[[32]byte]uint8
194 queueTheir []*FreqWithNice
198 RxLastNonPing time.Time
201 TxLastNonPing time.Time
203 mustFinishAt time.Time
204 Duration time.Duration
214 onlyPkts map[[32]byte]bool
215 writeSPBuf bytes.Buffer
219 func (state *SPState) SetDead() {
224 // Already closed channel, dead
230 for _ = range state.payloads {
234 for _ = range state.pings {
239 func (state *SPState) NotAlive() bool {
248 func (state *SPState) dirUnlock() {
249 state.Ctx.UnlockDir(state.rxLock)
250 state.Ctx.UnlockDir(state.txLock)
253 func (state *SPState) WriteSP(dst io.Writer, payload []byte, ping bool) error {
254 state.writeSPBuf.Reset()
255 n, err := xdr.Marshal(&state.writeSPBuf, SPRaw{
262 if n, err = dst.Write(state.writeSPBuf.Bytes()); err == nil {
263 state.TxLastSeen = time.Now()
264 state.TxBytes += int64(n)
266 state.TxLastNonPing = state.TxLastSeen
272 func (state *SPState) ReadSP(src io.Reader) ([]byte, error) {
274 n, err := xdr.UnmarshalLimited(src, &sp, 1<<17)
276 ue := err.(*xdr.UnmarshalError)
277 if ue.Err == io.EOF {
282 state.RxLastSeen = time.Now()
283 state.RxBytes += int64(n)
284 if sp.Magic != MagicNNCPLv1 {
287 return sp.Payload, nil
290 func (ctx *Ctx) infosOur(nodeId *NodeId, nice uint8, seen *map[[32]byte]uint8) [][]byte {
293 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", SDS{
315 "name": ToBase32(info.Hash[:]),
320 ctx.LogI("sp-infos", SDS{
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 sds := SDS{"node": nodeId, "nice": int(state.Nice)}
395 state.Ctx.LogD("sp-start", sds, "sending first message")
396 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline))
397 if err = state.WriteSP(conn, buf, false); err != nil {
398 state.Ctx.LogE("sp-start", sds, err, "")
402 state.Ctx.LogD("sp-start", sds, "waiting for first message")
403 conn.SetReadDeadline(time.Now().Add(DefaultDeadline))
404 if buf, err = state.ReadSP(conn); err != nil {
405 state.Ctx.LogE("sp-start", sds, err, "")
409 payload, state.csOur, state.csTheir, err = state.hs.ReadMessage(nil, buf)
411 state.Ctx.LogE("sp-start", sds, err, "")
415 state.Ctx.LogD("sp-start", sds, "starting workers")
416 err = state.StartWorkers(conn, infosPayloads, payload)
418 state.Ctx.LogE("sp-start", sds, 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", SDS{"nice": int(state.Nice)}, "waiting for first message")
450 conn.SetReadDeadline(time.Now().Add(DefaultDeadline))
451 if buf, err = state.ReadSP(conn); err != nil {
452 state.Ctx.LogE("sp-start", SDS{}, err, "")
455 if payload, _, _, err = state.hs.ReadMessage(nil, buf); err != nil {
456 state.Ctx.LogE("sp-start", SDS{}, err, "")
461 for _, n := range state.Ctx.Neigh {
462 if subtle.ConstantTimeCompare(state.hs.PeerStatic(), n.NoisePub[:]) == 1 {
468 peerId := ToBase32(state.hs.PeerStatic())
469 state.Ctx.LogE("sp-start", SDS{"peer": peerId}, errors.New("unknown"), "")
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 sds := SDS{"node": node.Id, "nice": int(state.Nice)}
479 if 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", sds, "sending first message")
513 buf, state.csTheir, state.csOur, err = state.hs.WriteMessage(nil, firstPayload)
518 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline))
519 if err = state.WriteSP(conn, buf, false); err != nil {
520 state.Ctx.LogE("sp-start", sds, err, "")
524 state.Ctx.LogD("sp-start", sds, "starting workers")
525 err = state.StartWorkers(conn, infosPayloads, payload)
532 func (state *SPState) StartWorkers(
534 infosPayloads [][]byte,
537 sds := SDS{"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 SdsAdd(sds, SDS{"size": len(payload)}),
551 "queuing remaining payload",
553 state.payloads <- payload
559 // Processing of first payload and queueing its responses
562 SdsAdd(sds, SDS{"size": len(payload)}),
563 "processing first payload",
565 replies, err := state.ProcessSP(payload)
567 state.Ctx.LogE("sp-work", sds, err, "")
572 for _, reply := range replies {
575 SdsAdd(sds, SDS{"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) {
603 case now := <-pingTicker.C:
604 if now.After(state.TxLastSeen.Add(PingTimeout)) {
607 state.pings <- struct{}{}
609 state.Ctx.LogD("HERE", SDS{}, "PING GOROUTINE QUIT")
616 // Spool checker and INFOs sender of appearing files
617 if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
620 ticker := time.NewTicker(time.Second)
628 for _, payload := range state.Ctx.infosOur(
635 SdsAdd(sds, SDS{"size": len(payload)}),
638 state.payloads <- payload
649 defer state.SetDead()
650 defer state.wg.Done()
652 if state.NotAlive() {
659 state.Ctx.LogD("sp-xmit", sds, "got ping")
660 payload = SPPingMarshalized
662 case payload = <-state.payloads:
665 SdsAdd(sds, SDS{"size": len(payload)}),
670 if len(state.queueTheir) == 0 {
672 time.Sleep(100 * time.Millisecond)
675 freq := state.queueTheir[0].freq
677 if state.txRate > 0 {
678 time.Sleep(time.Second / time.Duration(state.txRate))
680 sdsp := SdsAdd(sds, SDS{
682 "pkt": ToBase32(freq.Hash[:]),
683 "size": int64(freq.Offset),
685 state.Ctx.LogD("sp-file", sdsp, "queueing")
686 fd, err := os.Open(filepath.Join(
688 state.Node.Id.String(),
690 ToBase32(freq.Hash[:]),
693 state.Ctx.LogE("sp-file", sdsp, err, "")
698 state.Ctx.LogE("sp-file", sdsp, err, "")
701 fullSize := fi.Size()
703 if freq.Offset < uint64(fullSize) {
704 state.Ctx.LogD("sp-file", sdsp, "seeking")
705 if _, err = fd.Seek(int64(freq.Offset), io.SeekStart); err != nil {
706 state.Ctx.LogE("sp-file", sdsp, err, "")
709 buf = make([]byte, MaxSPSize-SPHeadOverhead-SPFileOverhead)
710 n, err := fd.Read(buf)
712 state.Ctx.LogE("sp-file", sdsp, err, "")
716 state.Ctx.LogD("sp-file", SdsAdd(sdsp, SDS{"size": n}), "read")
719 payload = MarshalSP(SPTypeFile, SPFile{
724 ourSize := freq.Offset + uint64(len(buf))
725 sdsp["size"] = int64(ourSize)
726 sdsp["fullsize"] = fullSize
727 if state.Ctx.ShowPrgrs {
731 if len(state.queueTheir) > 0 && *state.queueTheir[0].freq.Hash == *freq.Hash {
732 if ourSize == uint64(fullSize) {
733 state.Ctx.LogD("sp-file", sdsp, "finished")
734 if len(state.queueTheir) > 1 {
735 state.queueTheir = state.queueTheir[1:]
737 state.queueTheir = state.queueTheir[:0]
740 state.queueTheir[0].freq.Offset += uint64(len(buf))
743 state.Ctx.LogD("sp-file", sdsp, "queue disappeared")
747 state.Ctx.LogD("sp-xmit", SdsAdd(sds, SDS{"size": len(payload)}), "sending")
748 conn.SetWriteDeadline(time.Now().Add(DefaultDeadline))
749 if err := state.WriteSP(conn, state.csOur.Encrypt(nil, nil, payload), ping); err != nil {
750 state.Ctx.LogE("sp-xmit", sds, err, "")
760 if state.NotAlive() {
763 state.Ctx.LogD("sp-recv", sds, "waiting for payload")
764 conn.SetReadDeadline(time.Now().Add(DefaultDeadline))
765 payload, err := state.ReadSP(conn)
770 unmarshalErr := err.(*xdr.UnmarshalError)
771 netErr, ok := unmarshalErr.Err.(net.Error)
772 if ok && netErr.Timeout() {
775 if unmarshalErr.ErrorCode == xdr.ErrIO {
778 state.Ctx.LogE("sp-recv", sds, err, "")
783 SdsAdd(sds, SDS{"size": len(payload)}),
786 payload, err = state.csTheir.Decrypt(nil, nil, payload)
788 state.Ctx.LogE("sp-recv", sds, err, "")
793 SdsAdd(sds, SDS{"size": len(payload)}),
796 replies, err := state.ProcessSP(payload)
798 state.Ctx.LogE("sp-recv", sds, err, "")
803 for _, reply := range replies {
806 SdsAdd(sds, SDS{"size": len(reply)}),
809 state.payloads <- reply
813 if state.rxRate > 0 {
814 time.Sleep(time.Second / time.Duration(state.rxRate))
826 func (state *SPState) Wait() {
828 close(state.payloads)
831 state.Duration = time.Now().Sub(state.started)
832 state.RxSpeed = state.RxBytes
833 state.TxSpeed = state.TxBytes
834 rxDuration := int64(state.RxLastSeen.Sub(state.started).Seconds())
835 txDuration := int64(state.TxLastSeen.Sub(state.started).Seconds())
837 state.RxSpeed = state.RxBytes / rxDuration
840 state.TxSpeed = state.TxBytes / txDuration
844 func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
845 sds := SDS{"node": state.Node.Id, "nice": int(state.Nice)}
846 r := bytes.NewReader(payload)
851 state.Ctx.LogD("sp-process", sds, "unmarshaling header")
853 if _, err = xdr.Unmarshal(r, &head); err != nil {
854 state.Ctx.LogE("sp-process", sds, err, "")
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": ToBase32(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 ToBase32(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"] = ToBase32(file.Hash[:])
941 sdsp["size"] = len(file.Payload)
942 dirToSync := filepath.Join(
944 state.Node.Id.String(),
947 filePath := filepath.Join(dirToSync, ToBase32(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, "")
968 state.Ctx.LogD("sp-file", sdsp, "writing")
969 _, err = fd.Write(file.Payload)
971 state.Ctx.LogE("sp-file", sdsp, err, "")
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 {
992 spWorkersGroup.Wait()
993 spWorkersGroup.Add(1)
995 if err := fd.Sync(); err != nil {
996 state.Ctx.LogE("sp-file", sdsp, err, "sync")
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)
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"] = ToBase32(done.Hash[:])
1038 state.Ctx.LogD("sp-done", sdsp, "removing")
1039 err := os.Remove(filepath.Join(
1041 state.Node.Id.String(),
1043 ToBase32(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"] = ToBase32(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
1092 if head.Type != SPTypePing {
1093 state.RxLastNonPing = state.RxLastSeen
1100 for _, info := range state.infosTheir {
1105 state.Ctx.LogI("sp-infos", SDS{
1107 "node": state.Node.Id,
1109 "size": int64(size),
1112 return payloadsSplit(replies), nil