/*
NNCP -- Node to Node copy, utilities for store-and-forward data exchange
-Copyright (C) 2016-2022 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2016-2023 Sergey Matveev <stargrave@stargrave.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
package main
import (
+ "errors"
"flag"
"fmt"
+ "io"
+ "io/fs"
"log"
"os"
"path/filepath"
)
func usage() {
- fmt.Fprintf(os.Stderr, nncp.UsageHeader())
- fmt.Fprintf(os.Stderr, "nncp-rm -- remove packet\n\n")
- fmt.Fprintf(os.Stderr, "Usage: %s [options] -tmp\n", os.Args[0])
+ fmt.Fprint(os.Stderr, "nncp-rm -- remove packet\n\n")
+ fmt.Fprintf(os.Stderr, "Usage: %s [options] [-older X] -tmp\n", os.Args[0])
fmt.Fprintf(os.Stderr, " %s [options] -lock\n", os.Args[0])
- fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -part\n", os.Args[0])
- fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -seen\n", os.Args[0])
- fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -nock\n", os.Args[0])
- fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -hdr\n", os.Args[0])
- fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -area\n", os.Args[0])
- fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} {-rx|-tx}\n", os.Args[0])
- fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -pkt PKT\n", os.Args[0])
+ fmt.Fprintf(os.Stderr, " %s [options] [-older X] {-all|-node NODE} -part\n", os.Args[0])
+ fmt.Fprintf(os.Stderr, " %s [options] [-older X] {-all|-node NODE} -seen\n", os.Args[0])
+ fmt.Fprintf(os.Stderr, " %s [options] [-older X] {-all|-node NODE} -nock\n", os.Args[0])
+ fmt.Fprintf(os.Stderr, " %s [options] [-older X] {-all|-node NODE} -area\n", os.Args[0])
+ fmt.Fprintf(os.Stderr, " %s [options] [-older X] {-all|-node NODE} {-rx|-tx} [-hdr]\n", os.Args[0])
+ fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -pkt < ...\n", os.Args[0])
+ fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -ack\n", os.Args[0])
fmt.Fprintln(os.Stderr, "-older option's time units are: (s)econds, (m)inutes, (h)ours, (d)ays")
fmt.Fprintln(os.Stderr, "Options:")
flag.PrintDefaults()
func main() {
var (
cfgPath = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
- doAll = flag.Bool("all", false, "Apply remove rules to all nodes")
- doTmp = flag.Bool("tmp", false, "Remove all temporary files")
- doHdr = flag.Bool("hdr", false, "Remove all hdr/ files")
+ doTmp = flag.Bool("tmp", false, "Remove temporary files")
doLock = flag.Bool("lock", false, "Remove all lock files")
- nodeRaw = flag.String("node", "", "Node to remove files in")
- doRx = flag.Bool("rx", false, "Process received packets")
- doTx = flag.Bool("tx", false, "Process transfered packets")
+ doAll = flag.Bool("all", false, "Process all nodes")
+ nodeRaw = flag.String("node", "", "Process only that node")
+ doRx = flag.Bool("rx", false, "Process inbound packets")
+ doTx = flag.Bool("tx", false, "Process outbound packets")
doPart = flag.Bool("part", false, "Remove only .part files")
doSeen = flag.Bool("seen", false, "Remove only seen/ files")
doNoCK = flag.Bool("nock", false, "Remove only .nock files")
+ doHdr = flag.Bool("hdr", false, "Remove only hdr/ files")
doArea = flag.Bool("area", false, "Remove only area/* seen files")
older = flag.String("older", "", "XXX{smhd}: only older than XXX number of time units")
dryRun = flag.Bool("dryrun", false, "Do not actually remove files")
- pktRaw = flag.String("pkt", "", "Packet to remove")
+ doPkt = flag.Bool("pkt", false, "Remove only that packets")
+ doACK = flag.Bool("ack", false, "Remove ACK packets from outbound")
spoolPath = flag.String("spool", "", "Override path to spool")
quiet = flag.Bool("quiet", false, "Print only errors")
debug = flag.Bool("debug", false, "Print debug messages")
}
oldBoundary := time.Second * time.Duration(oldBoundaryRaw)
+ pkts := make(map[string]struct{})
+ if *doPkt {
+ raw, err := io.ReadAll(os.Stdin)
+ if err != nil {
+ log.Fatalln("can not read -pkt from stdin:", err)
+ }
+ for _, line := range strings.Fields(string(raw)) {
+ if len(line) == 0 {
+ continue
+ }
+ cols := strings.Split(line, "/")
+ pkts[cols[len(cols)-1]] = struct{}{}
+ }
+ }
+
now := time.Now()
if *doTmp {
err = filepath.Walk(
}
return
}
+
if *doLock {
err = filepath.Walk(ctx.Spool, func(path string, info os.FileInfo, err error) error {
if err != nil {
}
return
}
+
var nodeId *nncp.NodeId
if *nodeRaw == "" {
if !*doAll {
}
nodeId = node.Id
}
+
for _, node := range ctx.Neigh {
if nodeId != nil && node.Id != nodeId {
continue
}
remove := func(xx nncp.TRxTx) error {
p := filepath.Join(ctx.Spool, node.Id.String(), string(xx))
- if _, err := os.Stat(p); err != nil && os.IsNotExist(err) {
+ if _, err := os.Stat(p); err != nil && errors.Is(err, fs.ErrNotExist) {
return nil
}
- return filepath.Walk(p,
- func(path string, info os.FileInfo, err error) error {
- if err != nil {
- return err
+ dir, err := os.Open(p)
+ if err != nil {
+ if errors.Is(err, fs.ErrNotExist) {
+ return nil
+ }
+ return err
+ }
+ defer dir.Close()
+ for {
+ entries, err := dir.ReadDir(1 << 10)
+ if err != nil {
+ if err == io.EOF {
+ break
}
- if info.IsDir() {
- return nil
+ return err
+ }
+ for _, entry := range entries {
+ if entry.IsDir() {
+ continue
}
+ pth := filepath.Join(p, entry.Name())
logMsg := func(les nncp.LEs) string {
- return fmt.Sprintf("File %s: removed", path)
+ return fmt.Sprintf("File %s: removed", pth)
+ }
+ if len(pkts) > 0 {
+ if _, exists := pkts[filepath.Base(entry.Name())]; exists {
+ ctx.LogI("rm", nncp.LEs{{K: "File", V: pth}}, logMsg)
+ if !*dryRun {
+ os.Remove(nncp.JobPath2Hdr(pth))
+ if err = os.Remove(pth); err != nil {
+ return err
+ }
+ }
+ }
+ continue
+ }
+ info, err := entry.Info()
+ if err != nil {
+ return err
}
if now.Sub(info.ModTime()) < oldBoundary {
- ctx.LogD("rm-skip", nncp.LEs{{K: "File", V: path}}, func(les nncp.LEs) string {
- return fmt.Sprintf("File %s: too fresh, skipping", path)
- })
- return nil
+ ctx.LogD("rm-skip", nncp.LEs{{K: "File", V: pth}},
+ func(les nncp.LEs) string {
+ return fmt.Sprintf("File %s: too fresh, skipping", pth)
+ },
+ )
+ continue
}
- if (*doNoCK && strings.HasSuffix(info.Name(), nncp.NoCKSuffix)) ||
- (*doPart && strings.HasSuffix(info.Name(), nncp.PartSuffix)) {
- ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
+ if (*doNoCK && strings.HasSuffix(entry.Name(), nncp.NoCKSuffix)) ||
+ (*doPart && strings.HasSuffix(entry.Name(), nncp.PartSuffix)) {
+ ctx.LogI("rm", nncp.LEs{{K: "File", V: pth}}, logMsg)
if *dryRun {
- return nil
+ continue
}
- return os.Remove(path)
- }
- if *pktRaw != "" && filepath.Base(info.Name()) == *pktRaw {
- ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
- if *dryRun {
- return nil
+ if err = os.Remove(pth); err != nil {
+ return err
}
- return os.Remove(path)
}
if !*doSeen && !*doNoCK && !*doHdr && !*doPart &&
(*doRx || *doTx) &&
((*doRx && xx == nncp.TRx) || (*doTx && xx == nncp.TTx)) {
- ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
+ ctx.LogI("rm", nncp.LEs{{K: "File", V: pth}}, logMsg)
if *dryRun {
- return nil
+ continue
+ }
+ os.Remove(nncp.JobPath2Hdr(pth))
+ if err = os.Remove(pth); err != nil {
+ return err
}
- return os.Remove(path)
}
- return nil
- })
+ }
+ }
+ return nil
}
- if *pktRaw != "" || *doRx || *doNoCK || *doPart {
+ if len(pkts) > 0 || *doRx || *doNoCK || *doPart {
if err = remove(nncp.TRx); err != nil {
log.Fatalln("Can not remove:", err)
}
}
- if *pktRaw != "" || *doTx || *doHdr {
+ if len(pkts) > 0 || *doTx {
if err = remove(nncp.TTx); err != nil {
log.Fatalln("Can not remove:", err)
}
}
- removeSub := func(p string, everything bool) error {
- return filepath.Walk(
- p, func(path string, info os.FileInfo, err error) error {
- if err != nil {
- if os.IsNotExist(err) {
- return nil
- }
- return err
- }
- if info.IsDir() {
+ removeSub := func(p string) error {
+ return filepath.Walk(p, func(
+ path string, info os.FileInfo, err error,
+ ) error {
+ if err != nil {
+ if errors.Is(err, fs.ErrNotExist) {
return nil
}
- logMsg := func(les nncp.LEs) string {
- return fmt.Sprintf("File %s: removed", path)
- }
- if everything {
- ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
- if *dryRun {
- return nil
- }
- return os.Remove(path)
+ return err
+ }
+ if info.IsDir() {
+ return nil
+ }
+ logMsg := func(les nncp.LEs) string {
+ return fmt.Sprintf("File %s: removed", path)
+ }
+ if len(pkts) > 0 {
+ if _, exists := pkts[filepath.Base(info.Name())]; !exists {
+ return nil
}
- if now.Sub(info.ModTime()) < oldBoundary {
- ctx.LogD(
- "rm-skip", nncp.LEs{{K: "File", V: path}},
- func(les nncp.LEs) string {
- return fmt.Sprintf("File %s: too fresh, skipping", path)
- },
- )
- } else if !*dryRun {
- return os.Remove(path)
+ ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
+ if *dryRun {
+ return nil
}
+ return os.Remove(path)
+ }
+ if now.Sub(info.ModTime()) < oldBoundary {
+ ctx.LogD(
+ "rm-skip", nncp.LEs{{K: "File", V: path}},
+ func(les nncp.LEs) string {
+ return fmt.Sprintf("File %s: too fresh, skipping", path)
+ },
+ )
return nil
- },
- )
+ }
+ ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
+ if *dryRun {
+ return nil
+ }
+ return os.Remove(path)
+ })
}
- if *doRx || *doSeen {
+ if len(pkts) > 0 || *doSeen {
if err = removeSub(filepath.Join(
ctx.Spool, node.Id.String(), string(nncp.TRx), nncp.SeenDir,
- ), *doSeen); err != nil {
+ )); err != nil {
log.Fatalln("Can not remove:", err)
}
}
- if *doRx || *doHdr {
+ if *doRx && *doHdr {
if err = removeSub(filepath.Join(
ctx.Spool, node.Id.String(), string(nncp.TRx), nncp.HdrDir,
- ), *doHdr); err != nil {
+ )); err != nil {
log.Fatalln("Can not remove:", err)
}
}
- if *doTx || *doHdr {
+ if *doTx && *doHdr {
if err = removeSub(filepath.Join(
ctx.Spool, node.Id.String(), string(nncp.TTx), nncp.HdrDir,
- ), *doHdr); err != nil {
+ )); err != nil {
log.Fatalln("Can not remove:", err)
}
}
filepath.Join(ctx.Spool, node.Id.String(), nncp.AreaDir),
func(path string, info os.FileInfo, err error) error {
if err != nil {
- if os.IsNotExist(err) {
+ if errors.Is(err, fs.ErrNotExist) {
return nil
}
return err
return nil
}
if now.Sub(info.ModTime()) < oldBoundary {
- ctx.LogD("rm-skip", nncp.LEs{{K: "File", V: path}}, func(les nncp.LEs) string {
- return fmt.Sprintf("File %s: too fresh, skipping", path)
- })
+ ctx.LogD(
+ "rm-skip", nncp.LEs{{K: "File", V: path}},
+ func(les nncp.LEs) string {
+ return fmt.Sprintf("File %s: too fresh, skipping", path)
+ },
+ )
return nil
}
ctx.LogI(
log.Fatalln("Can not remove:", err)
}
}
+ if *doACK {
+ dirPath := filepath.Join(
+ ctx.Spool, node.Id.String(), string(nncp.TTx), nncp.ACKDir)
+ dir, err := os.Open(dirPath)
+ if err != nil {
+ continue
+ }
+ for {
+ fis, err := dir.ReadDir(1 << 10)
+ if err != nil {
+ if err == io.EOF {
+ break
+ }
+ log.Fatalln("Can not read directory:", err)
+ }
+ for _, fi := range fis {
+ for _, pth := range []string{
+ filepath.Join(
+ ctx.Spool,
+ node.Id.String(),
+ string(nncp.TTx),
+ fi.Name(),
+ ),
+ filepath.Join(dirPath, fi.Name()),
+ } {
+ if err = os.Remove(pth); err == nil {
+ ctx.LogI(
+ "rm",
+ nncp.LEs{{K: "File", V: pth}},
+ func(les nncp.LEs) string {
+ return fmt.Sprintf("File %s: removed", pth)
+ },
+ )
+ } else if !errors.Is(err, fs.ErrNotExist) {
+ log.Fatalln("Can not remove:", pth, ":", err)
+ }
+ }
+ }
+ }
+ dir.Close()
+ }
}
}