]> Cypherpunks.ru repositories - nncp.git/commitdiff
Simplify Call
authorSergey Matveev <stargrave@stargrave.org>
Sun, 28 Apr 2019 07:53:20 +0000 (10:53 +0300)
committerSergey Matveev <stargrave@stargrave.org>
Sun, 28 Apr 2019 09:54:18 +0000 (12:54 +0300)
src/cypherpunks.ru/nncp/call.go
src/cypherpunks.ru/nncp/cmd/nncp-daemon/main.go
src/cypherpunks.ru/nncp/sp.go

index ef0167a68bfbca8533e7fca2aec533611e5018e1..56c51bfcd181ad5f13e2e66ae7209943e42bb0b8 100644 (file)
@@ -55,19 +55,19 @@ func (ctx *Ctx) CallNode(
                        continue
                }
                ctx.LogD("call", sds, "connected")
-               state, err := ctx.StartI(
-                       conn,
-                       node.Id,
-                       nice,
-                       xxOnly,
-                       rxRate,
-                       txRate,
-                       onlineDeadline,
-                       maxOnlineTime,
-                       listOnly,
-                       onlyPkts,
-               )
-               if err == nil {
+               state := SPState{
+                       Ctx:            ctx,
+                       Node:           node,
+                       Nice:           nice,
+                       onlineDeadline: onlineDeadline,
+                       maxOnlineTime:  maxOnlineTime,
+                       xxOnly:         xxOnly,
+                       rxRate:         rxRate,
+                       txRate:         txRate,
+                       listOnly:       listOnly,
+                       onlyPkts:       onlyPkts,
+               }
+               if err = state.StartI(conn); err == nil {
                        ctx.LogI("call-start", sds, "connected")
                        state.Wait()
                        ctx.LogI("call-finish", SDS{
index 8346774093f30a7c03cea0953ebb614e6b0a3c65..3f2897206eb745600025f80e3f98205bc1746def 100644 (file)
@@ -61,8 +61,11 @@ func (ic *InetdConn) SetWriteDeadline(t time.Time) error {
 }
 
 func performSP(ctx *nncp.Ctx, conn nncp.ConnDeadlined, nice uint8) {
-       state, err := ctx.StartR(conn, nice, "")
-       if err == nil {
+       state := nncp.SPState{
+               Ctx:  ctx,
+               Nice: nice,
+       }
+       if err := state.StartR(conn); err == nil {
                ctx.LogI("call-start", nncp.SDS{"node": state.Node.Id}, "connected")
                state.Wait()
                ctx.LogI("call-finish", nncp.SDS{
@@ -75,7 +78,7 @@ func performSP(ctx *nncp.Ctx, conn nncp.ConnDeadlined, nice uint8) {
                }, "")
        } else {
                nodeId := "unknown"
-               if state != nil && state.Node != nil {
+               if state.Node != nil {
                        nodeId = state.Node.Id.String()
                }
                ctx.LogE("call-start", nncp.SDS{"node": nodeId, "err": err}, "")
index f188fd3580075c0e261e37b9688cc77fde61b8c5..bcdda79f5834add00ca0a1345f92cd00c06556aa 100644 (file)
@@ -170,11 +170,11 @@ func payloadsSplit(payloads [][]byte) [][]byte {
 }
 
 type SPState struct {
-       ctx            *Ctx
+       Ctx            *Ctx
        Node           *Node
+       Nice           uint8
        onlineDeadline uint
        maxOnlineTime  uint
-       nice           uint8
        hs             *noise.HandshakeState
        csOur          *noise.CipherState
        csTheir        *noise.CipherState
@@ -215,8 +215,8 @@ func (state *SPState) NotAlive() bool {
 }
 
 func (state *SPState) dirUnlock() {
-       state.ctx.UnlockDir(state.rxLock)
-       state.ctx.UnlockDir(state.txLock)
+       state.Ctx.UnlockDir(state.rxLock)
+       state.Ctx.UnlockDir(state.txLock)
 }
 
 func (state *SPState) WriteSP(dst io.Writer, payload []byte) error {
@@ -282,73 +282,52 @@ func (ctx *Ctx) infosOur(nodeId *NodeId, nice uint8, seen *map[[32]byte]uint8) [
        return payloadsSplit(payloads)
 }
 
-func (ctx *Ctx) StartI(
-       conn ConnDeadlined,
-       nodeId *NodeId,
-       nice uint8,
-       xxOnly TRxTx,
-       rxRate, txRate int,
-       onlineDeadline, maxOnlineTime uint,
-       listOnly bool,
-       onlyPkts map[[32]byte]bool,
-) (*SPState, error) {
-       err := ctx.ensureRxDir(nodeId)
+func (state *SPState) StartI(conn ConnDeadlined) error {
+       nodeId := state.Node.Id
+       err := state.Ctx.ensureRxDir(nodeId)
        if err != nil {
-               return nil, err
+               return err
        }
        var rxLock *os.File
-       if !listOnly && (xxOnly == "" || xxOnly == TRx) {
-               rxLock, err = ctx.LockDir(nodeId, TRx)
+       if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TRx) {
+               rxLock, err = state.Ctx.LockDir(nodeId, TRx)
                if err != nil {
-                       return nil, err
+                       return err
                }
        }
        var txLock *os.File
-       if !listOnly && (xxOnly == "" || xxOnly == TTx) {
-               txLock, err = ctx.LockDir(nodeId, TTx)
+       if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
+               txLock, err = state.Ctx.LockDir(nodeId, TTx)
                if err != nil {
-                       return nil, err
+                       return err
                }
        }
        started := time.Now()
-       node := ctx.Neigh[*nodeId]
        conf := noise.Config{
                CipherSuite: NoiseCipherSuite,
                Pattern:     noise.HandshakeIK,
                Initiator:   true,
                StaticKeypair: noise.DHKey{
-                       Private: ctx.Self.NoisePrv[:],
-                       Public:  ctx.Self.NoisePub[:],
+                       Private: state.Ctx.Self.NoisePrv[:],
+                       Public:  state.Ctx.Self.NoisePub[:],
                },
-               PeerStatic: node.NoisePub[:],
+               PeerStatic: state.Node.NoisePub[:],
        }
        hs, err := noise.NewHandshakeState(conf)
        if err != nil {
-               return nil, err
-       }
-       state := SPState{
-               ctx:            ctx,
-               hs:             hs,
-               Node:           node,
-               onlineDeadline: onlineDeadline,
-               maxOnlineTime:  maxOnlineTime,
-               nice:           nice,
-               payloads:       make(chan []byte),
-               infosTheir:     make(map[[32]byte]*SPInfo),
-               infosOurSeen:   make(map[[32]byte]uint8),
-               started:        started,
-               rxLock:         rxLock,
-               txLock:         txLock,
-               xxOnly:         xxOnly,
-               rxRate:         rxRate,
-               txRate:         txRate,
-               listOnly:       listOnly,
-               onlyPkts:       onlyPkts,
+               return err
        }
+       state.hs = hs
+       state.payloads = make(chan []byte)
+       state.infosTheir = make(map[[32]byte]*SPInfo)
+       state.infosOurSeen = make(map[[32]byte]uint8)
+       state.started = started
+       state.rxLock = rxLock
+       state.txLock = txLock
 
        var infosPayloads [][]byte
-       if !listOnly && (xxOnly == "" || xxOnly == TTx) {
-               infosPayloads = ctx.infosOur(nodeId, nice, &state.infosOurSeen)
+       if !state.listOnly && (state.xxOnly == "" || state.xxOnly == TTx) {
+               infosPayloads = state.Ctx.infosOur(nodeId, state.Nice, &state.infosOurSeen)
        }
        var firstPayload []byte
        if len(infosPayloads) > 0 {
@@ -364,122 +343,119 @@ func (ctx *Ctx) StartI(
        buf, _, _, err = state.hs.WriteMessage(nil, firstPayload)
        if err != nil {
                state.dirUnlock()
-               return nil, err
+               return err
        }
-       sds := SDS{"node": nodeId, "nice": strconv.Itoa(int(nice))}
-       ctx.LogD("sp-start", sds, "sending first message")
+       sds := SDS{"node": nodeId, "nice": strconv.Itoa(int(state.Nice))}
+       state.Ctx.LogD("sp-start", sds, "sending first message")
        conn.SetWriteDeadline(time.Now().Add(DefaultDeadline * time.Second))
        if err = state.WriteSP(conn, buf); err != nil {
-               ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
+               state.Ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
                state.dirUnlock()
-               return nil, err
+               return err
        }
-       ctx.LogD("sp-start", sds, "waiting for first message")
+       state.Ctx.LogD("sp-start", sds, "waiting for first message")
        conn.SetReadDeadline(time.Now().Add(DefaultDeadline * time.Second))
        if buf, err = state.ReadSP(conn); err != nil {
-               ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
+               state.Ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
                state.dirUnlock()
-               return nil, err
+               return err
        }
        payload, state.csOur, state.csTheir, err = state.hs.ReadMessage(nil, buf)
        if err != nil {
-               ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
+               state.Ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
                state.dirUnlock()
-               return nil, err
+               return err
        }
-       ctx.LogD("sp-start", sds, "starting workers")
+       state.Ctx.LogD("sp-start", sds, "starting workers")
        err = state.StartWorkers(conn, infosPayloads, payload)
        if err != nil {
-               ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
+               state.Ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
                state.dirUnlock()
-               return nil, err
+               return err
        }
-       return &state, err
+       return err
 }
 
-func (ctx *Ctx) StartR(conn ConnDeadlined, nice uint8, xxOnly TRxTx) (*SPState, error) {
+func (state *SPState) StartR(conn ConnDeadlined) error {
        started := time.Now()
        conf := noise.Config{
                CipherSuite: NoiseCipherSuite,
                Pattern:     noise.HandshakeIK,
                Initiator:   false,
                StaticKeypair: noise.DHKey{
-                       Private: ctx.Self.NoisePrv[:],
-                       Public:  ctx.Self.NoisePub[:],
+                       Private: state.Ctx.Self.NoisePrv[:],
+                       Public:  state.Ctx.Self.NoisePub[:],
                },
        }
        hs, err := noise.NewHandshakeState(conf)
        if err != nil {
-               return nil, err
-       }
-       state := SPState{
-               ctx:          ctx,
-               hs:           hs,
-               nice:         nice,
-               payloads:     make(chan []byte),
-               infosOurSeen: make(map[[32]byte]uint8),
-               infosTheir:   make(map[[32]byte]*SPInfo),
-               started:      started,
-               xxOnly:       xxOnly,
+               return err
        }
+       xxOnly := TRxTx("")
+       state.hs = hs
+       state.payloads = make(chan []byte)
+       state.infosOurSeen = make(map[[32]byte]uint8)
+       state.infosTheir = make(map[[32]byte]*SPInfo)
+       state.started = started
+       state.xxOnly = xxOnly
        var buf []byte
        var payload []byte
-       ctx.LogD(
+       state.Ctx.LogD(
                "sp-start",
-               SDS{"nice": strconv.Itoa(int(nice))},
+               SDS{"nice": strconv.Itoa(int(state.Nice))},
                "waiting for first message",
        )
        conn.SetReadDeadline(time.Now().Add(DefaultDeadline * time.Second))
        if buf, err = state.ReadSP(conn); err != nil {
-               ctx.LogE("sp-start", SDS{"err": err}, "")
-               return nil, err
+               state.Ctx.LogE("sp-start", SDS{"err": err}, "")
+               return err
        }
        if payload, _, _, err = state.hs.ReadMessage(nil, buf); err != nil {
-               ctx.LogE("sp-start", SDS{"err": err}, "")
-               return nil, err
+               state.Ctx.LogE("sp-start", SDS{"err": err}, "")
+               return err
        }
 
        var node *Node
-       for _, node = range ctx.Neigh {
+       for _, node = range state.Ctx.Neigh {
                if subtle.ConstantTimeCompare(state.hs.PeerStatic(), node.NoisePub[:]) == 1 {
                        break
                }
        }
        if node == nil {
                peerId := ToBase32(state.hs.PeerStatic())
-               ctx.LogE("sp-start", SDS{"peer": peerId}, "unknown")
-               return nil, errors.New("Unknown peer: " + peerId)
+               state.Ctx.LogE("sp-start", SDS{"peer": peerId}, "unknown")
+               return errors.New("Unknown peer: " + peerId)
        }
        state.Node = node
        state.rxRate = node.RxRate
        state.txRate = node.TxRate
        state.onlineDeadline = node.OnlineDeadline
        state.maxOnlineTime = node.MaxOnlineTime
-       sds := SDS{"node": node.Id, "nice": strconv.Itoa(int(nice))}
+       sds := SDS{"node": node.Id, "nice": strconv.Itoa(int(state.Nice))}
 
-       if ctx.ensureRxDir(node.Id); err != nil {
-               return nil, err
+       if state.Ctx.ensureRxDir(node.Id); err != nil {
+               return err
        }
        var rxLock *os.File
        if xxOnly == "" || xxOnly == TRx {
-               rxLock, err = ctx.LockDir(node.Id, TRx)
+               rxLock, err = state.Ctx.LockDir(node.Id, TRx)
                if err != nil {
-                       return nil, err
+                       return err
                }
        }
        state.rxLock = rxLock
        var txLock *os.File
        if xxOnly == "" || xxOnly == TTx {
-               txLock, err = ctx.LockDir(node.Id, TTx)
+               txLock, err = state.Ctx.LockDir(node.Id, TTx)
                if err != nil {
-                       return nil, err
+                       return err
                }
        }
        state.txLock = txLock
 
        var infosPayloads [][]byte
        if xxOnly == "" || xxOnly == TTx {
-               infosPayloads = ctx.infosOur(node.Id, nice, &state.infosOurSeen)
+               infosPayloads = state.Ctx.infosOur(node.Id, state.Nice, &state.infosOurSeen)
        }
        var firstPayload []byte
        if len(infosPayloads) > 0 {
@@ -490,36 +466,36 @@ func (ctx *Ctx) StartR(conn ConnDeadlined, nice uint8, xxOnly TRxTx) (*SPState,
                firstPayload = append(firstPayload, SPHaltMarshalized...)
        }
 
-       ctx.LogD("sp-start", sds, "sending first message")
+       state.Ctx.LogD("sp-start", sds, "sending first message")
        buf, state.csTheir, state.csOur, err = state.hs.WriteMessage(nil, firstPayload)
        if err != nil {
                state.dirUnlock()
-               return nil, err
+               return err
        }
        conn.SetWriteDeadline(time.Now().Add(DefaultDeadline * time.Second))
        if err = state.WriteSP(conn, buf); err != nil {
-               ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
+               state.Ctx.LogE("sp-start", SdsAdd(sds, SDS{"err": err}), "")
                state.dirUnlock()
-               return nil, err
+               return err
        }
-       ctx.LogD("sp-start", sds, "starting workers")
+       state.Ctx.LogD("sp-start", sds, "starting workers")
        err = state.StartWorkers(conn, infosPayloads, payload)
        if err != nil {
                state.dirUnlock()
-               return nil, err
+               return err
        }
-       return &state, err
+       return err
 }
 
 func (state *SPState) StartWorkers(
        conn ConnDeadlined,
        infosPayloads [][]byte,
        payload []byte) error {
-       sds := SDS{"node": state.Node.Id, "nice": strconv.Itoa(int(state.nice))}
+       sds := SDS{"node": state.Node.Id, "nice": strconv.Itoa(int(state.Nice))}
        if len(infosPayloads) > 1 {
                go func() {
                        for _, payload := range infosPayloads[1:] {
-                               state.ctx.LogD(
+                               state.Ctx.LogD(
                                        "sp-work",
                                        SdsAdd(sds, SDS{"size": strconv.Itoa(len(payload))}),
                                        "queuing remaining payload",
@@ -528,20 +504,20 @@ func (state *SPState) StartWorkers(
                        }
                }()
        }
-       state.ctx.LogD(
+       state.Ctx.LogD(
                "sp-work",
                SdsAdd(sds, SDS{"size": strconv.Itoa(len(payload))}),
                "processing first payload",
        )
        replies, err := state.ProcessSP(payload)
        if err != nil {
-               state.ctx.LogE("sp-work", SdsAdd(sds, SDS{"err": err}), "")
+               state.Ctx.LogE("sp-work", SdsAdd(sds, SDS{"err": err}), "")
                return err
        }
 
        go func() {
                for _, reply := range replies {
-                       state.ctx.LogD(
+                       state.Ctx.LogD(
                                "sp-work",
                                SdsAdd(sds, SDS{"size": strconv.Itoa(len(reply))}),
                                "queuing reply",
@@ -556,12 +532,12 @@ func (state *SPState) StartWorkers(
                                if state.NotAlive() {
                                        return
                                }
-                               for _, payload := range state.ctx.infosOur(
+                               for _, payload := range state.Ctx.infosOur(
                                        state.Node.Id,
-                                       state.nice,
+                                       state.Nice,
                                        &state.infosOurSeen,
                                ) {
-                                       state.ctx.LogD(
+                                       state.Ctx.LogD(
                                                "sp-work",
                                                SdsAdd(sds, SDS{"size": strconv.Itoa(len(payload))}),
                                                "queuing new info",
@@ -585,7 +561,7 @@ func (state *SPState) StartWorkers(
                        var payload []byte
                        select {
                        case payload = <-state.payloads:
-                               state.ctx.LogD(
+                               state.Ctx.LogD(
                                        "sp-xmit",
                                        SdsAdd(sds, SDS{"size": strconv.Itoa(len(payload))}),
                                        "got payload",
@@ -595,7 +571,7 @@ func (state *SPState) StartWorkers(
                        if payload == nil {
                                state.RLock()
                                if len(state.queueTheir) == 0 {
-                                       state.ctx.LogD("sp-xmit", sds, "file queue is empty")
+                                       state.Ctx.LogD("sp-xmit", sds, "file queue is empty")
                                        state.RUnlock()
                                        time.Sleep(100 * time.Millisecond)
                                        continue
@@ -612,38 +588,38 @@ func (state *SPState) StartWorkers(
                                        "hash": ToBase32(freq.Hash[:]),
                                        "size": strconv.FormatInt(int64(freq.Offset), 10),
                                })
-                               state.ctx.LogD("sp-file", sdsp, "queueing")
+                               state.Ctx.LogD("sp-file", sdsp, "queueing")
                                fd, err := os.Open(filepath.Join(
-                                       state.ctx.Spool,
+                                       state.Ctx.Spool,
                                        state.Node.Id.String(),
                                        string(TTx),
                                        ToBase32(freq.Hash[:]),
                                ))
                                if err != nil {
-                                       state.ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
+                                       state.Ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
                                        break
                                }
                                fi, err := fd.Stat()
                                if err != nil {
-                                       state.ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
+                                       state.Ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
                                        break
                                }
                                fullSize := uint64(fi.Size())
                                var buf []byte
                                if freq.Offset < fullSize {
-                                       state.ctx.LogD("sp-file", sdsp, "seeking")
+                                       state.Ctx.LogD("sp-file", sdsp, "seeking")
                                        if _, err = fd.Seek(int64(freq.Offset), io.SeekStart); err != nil {
-                                               state.ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
+                                               state.Ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
                                                break
                                        }
                                        buf = make([]byte, MaxSPSize-SPHeadOverhead-SPFileOverhead)
                                        n, err := fd.Read(buf)
                                        if err != nil {
-                                               state.ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
+                                               state.Ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
                                                break
                                        }
                                        buf = buf[:n]
-                                       state.ctx.LogD(
+                                       state.Ctx.LogD(
                                                "sp-file",
                                                SdsAdd(sdsp, SDS{"size": strconv.Itoa(n)}),
                                                "read",
@@ -658,11 +634,11 @@ func (state *SPState) StartWorkers(
                                ourSize := freq.Offset + uint64(len(buf))
                                sdsp["size"] = strconv.FormatInt(int64(ourSize), 10)
                                sdsp["fullsize"] = strconv.FormatInt(int64(fullSize), 10)
-                               state.ctx.LogP("sp-file", sdsp, "")
+                               state.Ctx.LogP("sp-file", sdsp, "")
                                state.Lock()
                                if len(state.queueTheir) > 0 && *state.queueTheir[0].freq.Hash == *freq.Hash {
                                        if ourSize == fullSize {
-                                               state.ctx.LogD("sp-file", sdsp, "finished")
+                                               state.Ctx.LogD("sp-file", sdsp, "finished")
                                                if len(state.queueTheir) > 1 {
                                                        state.queueTheir = state.queueTheir[1:]
                                                } else {
@@ -672,18 +648,18 @@ func (state *SPState) StartWorkers(
                                                state.queueTheir[0].freq.Offset += uint64(len(buf))
                                        }
                                } else {
-                                       state.ctx.LogD("sp-file", sdsp, "queue disappeared")
+                                       state.Ctx.LogD("sp-file", sdsp, "queue disappeared")
                                }
                                state.Unlock()
                        }
-                       state.ctx.LogD(
+                       state.Ctx.LogD(
                                "sp-xmit",
                                SdsAdd(sds, SDS{"size": strconv.Itoa(len(payload))}),
                                "sending",
                        )
                        conn.SetWriteDeadline(time.Now().Add(DefaultDeadline * time.Second))
                        if err := state.WriteSP(conn, state.csOur.Encrypt(nil, nil, payload)); err != nil {
-                               state.ctx.LogE("sp-xmit", SdsAdd(sds, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-xmit", SdsAdd(sds, SDS{"err": err}), "")
                                break
                        }
                }
@@ -699,7 +675,7 @@ func (state *SPState) StartWorkers(
                        if state.NotAlive() {
                                return
                        }
-                       state.ctx.LogD("sp-recv", sds, "waiting for payload")
+                       state.Ctx.LogD("sp-recv", sds, "waiting for payload")
                        conn.SetReadDeadline(time.Now().Add(DefaultDeadline * time.Second))
                        payload, err := state.ReadSP(conn)
                        if err != nil {
@@ -711,32 +687,32 @@ func (state *SPState) StartWorkers(
                                if unmarshalErr.ErrorCode == xdr.ErrIO {
                                        break
                                }
-                               state.ctx.LogE("sp-recv", SdsAdd(sds, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-recv", SdsAdd(sds, SDS{"err": err}), "")
                                break
                        }
-                       state.ctx.LogD(
+                       state.Ctx.LogD(
                                "sp-recv",
                                SdsAdd(sds, SDS{"size": strconv.Itoa(len(payload))}),
                                "got payload",
                        )
                        payload, err = state.csTheir.Decrypt(nil, nil, payload)
                        if err != nil {
-                               state.ctx.LogE("sp-recv", SdsAdd(sds, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-recv", SdsAdd(sds, SDS{"err": err}), "")
                                break
                        }
-                       state.ctx.LogD(
+                       state.Ctx.LogD(
                                "sp-recv",
                                SdsAdd(sds, SDS{"size": strconv.Itoa(len(payload))}),
                                "processing",
                        )
                        replies, err := state.ProcessSP(payload)
                        if err != nil {
-                               state.ctx.LogE("sp-recv", SdsAdd(sds, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-recv", SdsAdd(sds, SDS{"err": err}), "")
                                break
                        }
                        go func() {
                                for _, reply := range replies {
-                                       state.ctx.LogD(
+                                       state.Ctx.LogD(
                                                "sp-recv",
                                                SdsAdd(sds, SDS{"size": strconv.Itoa(len(reply))}),
                                                "queuing reply",
@@ -770,26 +746,26 @@ func (state *SPState) Wait() {
 }
 
 func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
-       sds := SDS{"node": state.Node.Id, "nice": strconv.Itoa(int(state.nice))}
+       sds := SDS{"node": state.Node.Id, "nice": strconv.Itoa(int(state.Nice))}
        r := bytes.NewReader(payload)
        var err error
        var replies [][]byte
        var infosGot bool
        for r.Len() > 0 {
-               state.ctx.LogD("sp-process", sds, "unmarshaling header")
+               state.Ctx.LogD("sp-process", sds, "unmarshaling header")
                var head SPHead
                if _, err = xdr.Unmarshal(r, &head); err != nil {
-                       state.ctx.LogE("sp-process", SdsAdd(sds, SDS{"err": err}), "")
+                       state.Ctx.LogE("sp-process", SdsAdd(sds, SDS{"err": err}), "")
                        return nil, err
                }
                switch head.Type {
                case SPTypeInfo:
                        infosGot = true
                        sdsp := SdsAdd(sds, SDS{"type": "info"})
-                       state.ctx.LogD("sp-process", sdsp, "unmarshaling packet")
+                       state.Ctx.LogD("sp-process", sdsp, "unmarshaling packet")
                        var info SPInfo
                        if _, err = xdr.Unmarshal(r, &info); err != nil {
-                               state.ctx.LogE("sp-process", SdsAdd(sdsp, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-process", SdsAdd(sdsp, SDS{"err": err}), "")
                                return nil, err
                        }
                        sdsp = SdsAdd(sds, SDS{
@@ -797,33 +773,33 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                                "size": strconv.FormatInt(int64(info.Size), 10),
                                "nice": strconv.Itoa(int(info.Nice)),
                        })
-                       if !state.listOnly && info.Nice > state.nice {
-                               state.ctx.LogD("sp-process", sdsp, "too nice")
+                       if !state.listOnly && info.Nice > state.Nice {
+                               state.Ctx.LogD("sp-process", sdsp, "too nice")
                                continue
                        }
-                       state.ctx.LogD("sp-process", sdsp, "received")
+                       state.Ctx.LogD("sp-process", sdsp, "received")
                        if !state.listOnly && state.xxOnly == TTx {
                                continue
                        }
                        state.Lock()
                        state.infosTheir[*info.Hash] = &info
                        state.Unlock()
-                       state.ctx.LogD("sp-process", sdsp, "stating part")
+                       state.Ctx.LogD("sp-process", sdsp, "stating part")
                        pktPath := filepath.Join(
-                               state.ctx.Spool,
+                               state.Ctx.Spool,
                                state.Node.Id.String(),
                                string(TRx),
                                ToBase32(info.Hash[:]),
                        )
                        if _, err = os.Stat(pktPath); err == nil {
-                               state.ctx.LogI("sp-info", sdsp, "already done")
+                               state.Ctx.LogI("sp-info", sdsp, "already done")
                                if !state.listOnly {
                                        replies = append(replies, MarshalSP(SPTypeDone, SPDone{info.Hash}))
                                }
                                continue
                        }
                        if _, err = os.Stat(pktPath + SeenSuffix); err == nil {
-                               state.ctx.LogI("sp-info", sdsp, "already seen")
+                               state.Ctx.LogI("sp-info", sdsp, "already seen")
                                if !state.listOnly {
                                        replies = append(replies, MarshalSP(SPTypeDone, SPDone{info.Hash}))
                                }
@@ -834,11 +810,11 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                        if err == nil {
                                offset = fi.Size()
                        }
-                       if !state.ctx.IsEnoughSpace(int64(info.Size) - offset) {
-                               state.ctx.LogI("sp-info", sdsp, "not enough space")
+                       if !state.Ctx.IsEnoughSpace(int64(info.Size) - offset) {
+                               state.Ctx.LogI("sp-info", sdsp, "not enough space")
                                continue
                        }
-                       state.ctx.LogI(
+                       state.Ctx.LogI(
                                "sp-info",
                                SdsAdd(sdsp, SDS{"offset": strconv.FormatInt(offset, 10)}),
                                "",
@@ -851,10 +827,10 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                        }
                case SPTypeFile:
                        sdsp := SdsAdd(sds, SDS{"type": "file"})
-                       state.ctx.LogD("sp-process", sdsp, "unmarshaling packet")
+                       state.Ctx.LogD("sp-process", sdsp, "unmarshaling packet")
                        var file SPFile
                        if _, err = xdr.Unmarshal(r, &file); err != nil {
-                               state.ctx.LogE("sp-process", SdsAdd(sds, SDS{
+                               state.Ctx.LogE("sp-process", SdsAdd(sds, SDS{
                                        "err":  err,
                                        "type": "file",
                                }), "")
@@ -864,35 +840,35 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                        sdsp["hash"] = ToBase32(file.Hash[:])
                        sdsp["size"] = strconv.Itoa(len(file.Payload))
                        filePath := filepath.Join(
-                               state.ctx.Spool,
+                               state.Ctx.Spool,
                                state.Node.Id.String(),
                                string(TRx),
                                ToBase32(file.Hash[:]),
                        )
-                       state.ctx.LogD("sp-file", sdsp, "opening part")
+                       state.Ctx.LogD("sp-file", sdsp, "opening part")
                        fd, err := os.OpenFile(
                                filePath+PartSuffix,
                                os.O_RDWR|os.O_CREATE,
                                os.FileMode(0600),
                        )
                        if err != nil {
-                               state.ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
                                return nil, err
                        }
-                       state.ctx.LogD(
+                       state.Ctx.LogD(
                                "sp-file",
                                SdsAdd(sdsp, SDS{"offset": strconv.FormatInt(int64(file.Offset), 10)}),
                                "seeking",
                        )
                        if _, err = fd.Seek(int64(file.Offset), io.SeekStart); err != nil {
-                               state.ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
                                fd.Close()
                                return nil, err
                        }
-                       state.ctx.LogD("sp-file", sdsp, "writing")
+                       state.Ctx.LogD("sp-file", sdsp, "writing")
                        _, err = fd.Write(file.Payload)
                        if err != nil {
-                               state.ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "")
                                fd.Close()
                                return nil, err
                        }
@@ -900,7 +876,7 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                        state.RLock()
                        sdsp["fullsize"] = strconv.FormatInt(int64(state.infosTheir[*file.Hash].Size), 10)
                        sdsp["size"] = strconv.FormatInt(int64(ourSize), 10)
-                       state.ctx.LogP("sp-file", sdsp, "")
+                       state.Ctx.LogP("sp-file", sdsp, "")
                        if state.infosTheir[*file.Hash].Size != ourSize {
                                state.RUnlock()
                                fd.Close()
@@ -911,21 +887,21 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                        spWorkersGroup.Add(1)
                        go func() {
                                if err := fd.Sync(); err != nil {
-                                       state.ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "sync")
+                                       state.Ctx.LogE("sp-file", SdsAdd(sdsp, SDS{"err": err}), "sync")
                                        fd.Close()
                                        return
                                }
                                state.wg.Add(1)
                                defer state.wg.Done()
                                fd.Seek(0, io.SeekStart)
-                               state.ctx.LogD("sp-file", sdsp, "checking")
+                               state.Ctx.LogD("sp-file", sdsp, "checking")
                                gut, err := Check(fd, file.Hash[:])
                                fd.Close()
                                if err != nil || !gut {
-                                       state.ctx.LogE("sp-file", sdsp, "checksum mismatch")
+                                       state.Ctx.LogE("sp-file", sdsp, "checksum mismatch")
                                        return
                                }
-                               state.ctx.LogI("sp-done", SdsAdd(sdsp, SDS{"xx": string(TRx)}), "")
+                               state.Ctx.LogI("sp-done", SdsAdd(sdsp, SDS{"xx": string(TRx)}), "")
                                os.Rename(filePath+PartSuffix, filePath)
                                state.Lock()
                                delete(state.infosTheir, *file.Hash)
@@ -937,40 +913,40 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                        }()
                case SPTypeDone:
                        sdsp := SdsAdd(sds, SDS{"type": "done"})
-                       state.ctx.LogD("sp-process", sdsp, "unmarshaling packet")
+                       state.Ctx.LogD("sp-process", sdsp, "unmarshaling packet")
                        var done SPDone
                        if _, err = xdr.Unmarshal(r, &done); err != nil {
-                               state.ctx.LogE("sp-process", SdsAdd(sds, SDS{
+                               state.Ctx.LogE("sp-process", SdsAdd(sds, SDS{
                                        "type": "done",
                                        "err":  err,
                                }), "")
                                return nil, err
                        }
                        sdsp["hash"] = ToBase32(done.Hash[:])
-                       state.ctx.LogD("sp-done", sdsp, "removing")
+                       state.Ctx.LogD("sp-done", sdsp, "removing")
                        err := os.Remove(filepath.Join(
-                               state.ctx.Spool,
+                               state.Ctx.Spool,
                                state.Node.Id.String(),
                                string(TTx),
                                ToBase32(done.Hash[:]),
                        ))
                        sdsp["xx"] = string(TTx)
                        if err == nil {
-                               state.ctx.LogI("sp-done", sdsp, "")
+                               state.Ctx.LogI("sp-done", sdsp, "")
                        } else {
-                               state.ctx.LogE("sp-done", sdsp, "")
+                               state.Ctx.LogE("sp-done", sdsp, "")
                        }
                case SPTypeFreq:
                        sdsp := SdsAdd(sds, SDS{"type": "freq"})
-                       state.ctx.LogD("sp-process", sdsp, "unmarshaling packet")
+                       state.Ctx.LogD("sp-process", sdsp, "unmarshaling packet")
                        var freq SPFreq
                        if _, err = xdr.Unmarshal(r, &freq); err != nil {
-                               state.ctx.LogE("sp-process", SdsAdd(sdsp, SDS{"err": err}), "")
+                               state.Ctx.LogE("sp-process", SdsAdd(sdsp, SDS{"err": err}), "")
                                return nil, err
                        }
                        sdsp["hash"] = ToBase32(freq.Hash[:])
                        sdsp["offset"] = strconv.FormatInt(int64(freq.Offset), 10)
-                       state.ctx.LogD("sp-process", sdsp, "queueing")
+                       state.Ctx.LogD("sp-process", sdsp, "queueing")
                        nice, exists := state.infosOurSeen[*freq.Hash]
                        if exists {
                                state.Lock()
@@ -986,15 +962,15 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                                state.queueTheir[insertIdx] = &FreqWithNice{&freq, nice}
                                state.Unlock()
                        } else {
-                               state.ctx.LogD("sp-process", sdsp, "unknown")
+                               state.Ctx.LogD("sp-process", sdsp, "unknown")
                        }
                case SPTypeHalt:
-                       state.ctx.LogD("sp-process", SdsAdd(sds, SDS{"type": "halt"}), "")
+                       state.Ctx.LogD("sp-process", SdsAdd(sds, SDS{"type": "halt"}), "")
                        state.Lock()
                        state.queueTheir = nil
                        state.Unlock()
                default:
-                       state.ctx.LogE(
+                       state.Ctx.LogE(
                                "sp-process",
                                SdsAdd(sds, SDS{"type": head.Type}),
                                "unknown",
@@ -1011,7 +987,7 @@ func (state *SPState) ProcessSP(payload []byte) ([][]byte, error) {
                        size += info.Size
                }
                state.RUnlock()
-               state.ctx.LogI("sp-infos", SDS{
+               state.Ctx.LogI("sp-infos", SDS{
                        "xx":   string(TRx),
                        "node": state.Node.Id,
                        "pkts": strconv.Itoa(pkts),