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/>.
18 // Remove packet from the queue.
32 "go.cypherpunks.ru/nncp/v7"
36 fmt.Fprintf(os.Stderr, nncp.UsageHeader())
37 fmt.Fprintf(os.Stderr, "nncp-rm -- remove packet\n\n")
38 fmt.Fprintf(os.Stderr, "Usage: %s [options] -tmp\n", os.Args[0])
39 fmt.Fprintf(os.Stderr, " %s [options] -lock\n", os.Args[0])
40 fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -part\n", os.Args[0])
41 fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -seen\n", os.Args[0])
42 fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -nock\n", os.Args[0])
43 fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -hdr\n", os.Args[0])
44 fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -area\n", os.Args[0])
45 fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} {-rx|-tx}\n", os.Args[0])
46 fmt.Fprintf(os.Stderr, " %s [options] {-all|-node NODE} -pkt PKT\n", os.Args[0])
47 fmt.Fprintln(os.Stderr, "-older option's time units are: (s)econds, (m)inutes, (h)ours, (d)ays")
48 fmt.Fprintln(os.Stderr, "Options:")
54 cfgPath = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
55 doAll = flag.Bool("all", false, "Apply remove rules to all nodes")
56 doTmp = flag.Bool("tmp", false, "Remove all temporary files")
57 doHdr = flag.Bool("hdr", false, "Remove all .hdr files")
58 doLock = flag.Bool("lock", false, "Remove all lock files")
59 nodeRaw = flag.String("node", "", "Node to remove files in")
60 doRx = flag.Bool("rx", false, "Process received packets")
61 doTx = flag.Bool("tx", false, "Process transfered packets")
62 doPart = flag.Bool("part", false, "Remove only .part files")
63 doSeen = flag.Bool("seen", false, "Remove only .seen files")
64 doNoCK = flag.Bool("nock", false, "Remove only .nock files")
65 doArea = flag.Bool("area", false, "Remove only area/*.seen files")
66 older = flag.String("older", "", "XXX{smhd}: only older than XXX number of time units")
67 dryRun = flag.Bool("dryrun", false, "Do not actually remove files")
68 pktRaw = flag.String("pkt", "", "Packet to remove")
69 spoolPath = flag.String("spool", "", "Override path to spool")
70 quiet = flag.Bool("quiet", false, "Print only errors")
71 debug = flag.Bool("debug", false, "Print debug messages")
72 version = flag.Bool("version", false, "Print version information")
73 warranty = flag.Bool("warranty", false, "Print warranty information")
75 log.SetFlags(log.Lshortfile)
79 fmt.Println(nncp.Warranty)
83 fmt.Println(nncp.VersionGet())
87 ctx, err := nncp.CtxFromCmdline(*cfgPath, *spoolPath, "", *quiet, false, false, *debug)
89 log.Fatalln("Error during initialization:", err)
93 var oldBoundaryRaw int
95 olderRe := regexp.MustCompile(`^(\d+)([smhd])$`)
96 matches := olderRe.FindStringSubmatch(*older)
97 if len(matches) != 1+2 {
98 log.Fatalln("can not parse -older")
100 oldBoundaryRaw, err = strconv.Atoi(matches[1])
102 log.Fatalln("can not parse -older:", err)
110 oldBoundaryRaw *= 60 * 60
112 oldBoundaryRaw *= 60 * 60 * 24
115 oldBoundary := time.Second * time.Duration(oldBoundaryRaw)
120 filepath.Join(ctx.Spool, "tmp"),
121 func(path string, info os.FileInfo, err error) error {
128 if now.Sub(info.ModTime()) < oldBoundary {
129 ctx.LogD("rm-skip", nncp.LEs{{K: "File", V: path}}, func(les nncp.LEs) string {
130 return fmt.Sprintf("File %s: too fresh, skipping", path)
134 ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, func(les nncp.LEs) string {
135 return fmt.Sprintf("File %s: removed", path)
140 return os.Remove(path)
143 log.Fatalln("Error during walking:", err)
148 err = filepath.Walk(ctx.Spool, func(path string, info os.FileInfo, err error) error {
155 if strings.HasSuffix(info.Name(), ".lock") {
156 ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, func(les nncp.LEs) string {
157 return fmt.Sprintf("File %s: removed", path)
162 return os.Remove(path)
167 log.Fatalln("Error during walking:", err)
171 var nodeId *nncp.NodeId
178 node, err := ctx.FindNode(*nodeRaw)
180 log.Fatalln("Invalid -node specified:", err)
184 for _, node := range ctx.Neigh {
185 if nodeId != nil && node.Id != nodeId {
188 remove := func(xx nncp.TRxTx) error {
189 return filepath.Walk(
190 filepath.Join(ctx.Spool, node.Id.String(), string(xx)),
191 func(path string, info os.FileInfo, err error) error {
198 logMsg := func(les nncp.LEs) string {
199 return fmt.Sprintf("File %s: removed", path)
201 if now.Sub(info.ModTime()) < oldBoundary {
202 ctx.LogD("rm-skip", nncp.LEs{{K: "File", V: path}}, func(les nncp.LEs) string {
203 return fmt.Sprintf("File %s: too fresh, skipping", path)
207 if (*doSeen && strings.HasSuffix(info.Name(), nncp.SeenSuffix)) ||
208 (*doNoCK && strings.HasSuffix(info.Name(), nncp.NoCKSuffix)) ||
209 (*doHdr && strings.HasSuffix(info.Name(), nncp.HdrSuffix)) ||
210 (*doPart && strings.HasSuffix(info.Name(), nncp.PartSuffix)) {
211 ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
215 return os.Remove(path)
217 if *pktRaw != "" && filepath.Base(info.Name()) == *pktRaw {
218 ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
222 return os.Remove(path)
224 if !*doSeen && !*doNoCK && !*doHdr && !*doPart &&
226 ((*doRx && xx == nncp.TRx) || (*doTx && xx == nncp.TTx)) {
227 ctx.LogI("rm", nncp.LEs{{K: "File", V: path}}, logMsg)
231 return os.Remove(path)
236 if *pktRaw != "" || *doRx || *doSeen || *doNoCK || *doHdr || *doPart {
237 if err = remove(nncp.TRx); err != nil {
238 log.Fatalln("Can not remove:", err)
241 if *pktRaw != "" || *doTx || *doHdr {
242 if err = remove(nncp.TTx); err != nil {
243 log.Fatalln("Can not remove:", err)
247 if err = filepath.Walk(
248 filepath.Join(ctx.Spool, node.Id.String(), nncp.AreaDir),
249 func(path string, info os.FileInfo, err error) error {
251 if os.IsNotExist(err) {
259 if now.Sub(info.ModTime()) < oldBoundary {
260 ctx.LogD("rm-skip", nncp.LEs{{K: "File", V: path}}, func(les nncp.LEs) string {
261 return fmt.Sprintf("File %s: too fresh, skipping", path)
265 if strings.HasSuffix(info.Name(), nncp.SeenSuffix) {
268 nncp.LEs{{K: "File", V: path}},
269 func(les nncp.LEs) string {
270 return fmt.Sprintf("File %s: removed", path)
276 return os.Remove(path)
280 log.Fatalln("Can not remove:", err)