2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2017 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, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 // Call NNCP TCP daemon
34 fmt.Fprintf(os.Stderr, nncp.UsageHeader())
35 fmt.Fprintln(os.Stderr, "nncp-call -- call TCP daemon\n")
36 fmt.Fprintf(os.Stderr, "Usage: %s [options] NODE[:ADDR] [FORCEADDR]\n", os.Args[0])
37 fmt.Fprintln(os.Stderr, "Options:")
43 cfgPath = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
44 niceRaw = flag.Int("nice", 255, "Minimal required niceness")
45 rxOnly = flag.Bool("rx", false, "Only receive packets")
46 txOnly = flag.Bool("tx", false, "Only transfer packets")
47 quiet = flag.Bool("quiet", false, "Print only errors")
48 debug = flag.Bool("debug", false, "Print debug messages")
49 version = flag.Bool("version", false, "Print version information")
50 warranty = flag.Bool("warranty", false, "Print warranty information")
52 onlineDeadline = flag.Uint("onlinedeadline", 0, "Override onlinedeadline option")
53 maxOnlineTime = flag.Uint("maxonlinetime", 0, "Override maxonlinetime option")
58 fmt.Println(nncp.Warranty)
62 fmt.Println(nncp.VersionGet())
69 if *niceRaw < 1 || *niceRaw > 255 {
70 log.Fatalln("-nice must be between 1 and 255")
72 nice := uint8(*niceRaw)
73 if *rxOnly && *txOnly {
74 log.Fatalln("-rx and -tx can not be set simultaneously")
77 cfgRaw, err := ioutil.ReadFile(nncp.CfgPathFromEnv(cfgPath))
79 log.Fatalln("Can not read config:", err)
81 ctx, err := nncp.CfgParse(cfgRaw)
83 log.Fatalln("Can not parse config:", err)
86 log.Fatalln("Config lacks private keys")
91 splitted := strings.SplitN(flag.Arg(0), ":", 2)
92 node, err := ctx.FindNode(splitted[0])
94 log.Fatalln("Invalid NODE specified:", err)
96 if node.NoisePub == nil {
97 log.Fatalln("Node does not have online communication capability")
100 if *onlineDeadline == 0 {
101 onlineDeadline = &node.OnlineDeadline
103 if *maxOnlineTime == 0 {
104 maxOnlineTime = &node.MaxOnlineTime
107 var xxOnly nncp.TRxTx
115 if flag.NArg() == 2 {
116 addrs = append(addrs, flag.Arg(1))
117 } else if len(splitted) == 2 {
118 addr, known := ctx.Neigh[*node.Id].Addrs[splitted[1]]
120 log.Fatalln("Unknown ADDR specified")
122 addrs = append(addrs, addr)
124 for _, addr := range ctx.Neigh[*node.Id].Addrs {
125 addrs = append(addrs, addr)
129 if !ctx.CallNode(node, addrs, nice, &xxOnly, *onlineDeadline, *maxOnlineTime) {