/*
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
"flag"
"fmt"
"log"
+ "net"
"os"
+ "regexp"
"strings"
"time"
)
func usage() {
- fmt.Fprintf(os.Stderr, nncp.UsageHeader())
- fmt.Fprintf(os.Stderr, "nncp-call -- call TCP daemon\n\n")
+ fmt.Fprint(os.Stderr, nncp.UsageHeader())
+ fmt.Fprint(os.Stderr, "nncp-call -- call TCP daemon\n\n")
fmt.Fprintf(os.Stderr, "Usage: %s [options] NODE[:ADDR] [FORCEADDR]\n", os.Args[0])
fmt.Fprintln(os.Stderr, "Options:")
flag.PrintDefaults()
listOnly = flag.Bool("list", false, "Only list remote packets")
noCK = flag.Bool("nock", false, "Do no checksum checking")
onlyPktsRaw = flag.String("pkts", "", "Recieve only that packets, comma separated")
+ mcdWait = flag.Uint("mcd-wait", 0, "Wait for MCD for specified number of seconds")
rxRate = flag.Int("rxrate", 0, "Maximal receive rate, pkts/sec")
txRate = flag.Int("txrate", 0, "Maximal transmit rate, pkts/sec")
spoolPath = flag.String("spool", "", "Override path to spool")
autoTossNoExec = flag.Bool("autotoss-noexec", false, "Do not process \"exec\" packets during tossing")
autoTossNoTrns = flag.Bool("autotoss-notrns", false, "Do not process \"trns\" packets during tossing")
autoTossNoArea = flag.Bool("autotoss-noarea", false, "Do not process \"area\" packets during tossing")
+ autoTossNoACK = flag.Bool("autotoss-noack", false, "Do not process \"ack\" packets during tossing")
)
log.SetFlags(log.Lshortfile)
flag.Usage = usage
}
}
+ if *mcdWait > 0 {
+ ifis, err := net.Interfaces()
+ if err != nil {
+ log.Fatalln("Can not get network interfaces list:", err)
+ }
+ for _, ifiReString := range ctx.MCDRxIfis {
+ ifiRe, err := regexp.CompilePOSIX(ifiReString)
+ if err != nil {
+ log.Fatalf("Can not compile POSIX regexp \"%s\": %s", ifiReString, err)
+ }
+ for _, ifi := range ifis {
+ if ifiRe.MatchString(ifi.Name) {
+ if err = ctx.MCDRx(ifi.Name); err != nil {
+ log.Printf("Can not run MCD reception on %s: %s", ifi.Name, err)
+ }
+ }
+ }
+ }
+ addrs = nil
+ for i := int(*mcdWait); i > 0; i-- {
+ nncp.MCDAddrsM.RLock()
+ for _, mcdAddr := range nncp.MCDAddrs[*node.Id] {
+ addrs = append(addrs, mcdAddr.Addr.String())
+ }
+ if len(addrs) > 0 {
+ break
+ }
+ nncp.MCDAddrsM.RUnlock()
+ time.Sleep(time.Second)
+ }
+ if len(addrs) == 0 {
+ log.Fatalf("No MCD packets from the node during %d seconds", *mcdWait)
+ }
+ }
+
var onlyPkts map[[32]byte]bool
if len(*onlyPktsRaw) > 0 {
splitted = strings.Split(*onlyPktsRaw, ",")
*autoTossNoExec,
*autoTossNoTrns,
*autoTossNoArea,
+ *autoTossNoACK,
)
}