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
36 fmt.Fprintf(os.Stderr, nncp.UsageHeader())
37 fmt.Fprintln(os.Stderr, "nncp-call -- call TCP daemon\n")
38 fmt.Fprintf(os.Stderr, "Usage: %s [options] NODE[:ADDR] [FORCEADDR]\n", os.Args[0])
39 fmt.Fprintln(os.Stderr, "Options:")
45 cfgPath = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
46 niceRaw = flag.Int("nice", 255, "Minimal required niceness")
47 rxOnly = flag.Bool("rx", false, "Only receive packets")
48 txOnly = flag.Bool("tx", false, "Only transfer packets")
49 quiet = flag.Bool("quiet", false, "Print only errors")
50 debug = flag.Bool("debug", false, "Print debug messages")
51 version = flag.Bool("version", false, "Print version information")
52 warranty = flag.Bool("warranty", false, "Print warranty information")
54 onlineDeadline = flag.Int("onlinedeadline", 0, "Override onlinedeadline option")
59 fmt.Println(nncp.Warranty)
63 fmt.Println(nncp.VersionGet())
70 if *niceRaw < 1 || *niceRaw > 255 {
71 log.Fatalln("-nice must be between 1 and 255")
73 nice := uint8(*niceRaw)
74 if *rxOnly && *txOnly {
75 log.Fatalln("-rx and -tx can not be set simultaneously")
78 cfgRaw, err := ioutil.ReadFile(nncp.CfgPathFromEnv(cfgPath))
80 log.Fatalln("Can not read config:", err)
82 ctx, err := nncp.CfgParse(cfgRaw)
84 log.Fatalln("Can not parse config:", err)
89 splitted := strings.SplitN(flag.Arg(0), ":", 2)
90 node, err := ctx.FindNode(splitted[0])
92 log.Fatalln("Invalid NODE specified:", err)
94 if node.NoisePub == nil {
95 log.Fatalln("Node does not have online communication capability")
98 if *onlineDeadline > 0 {
99 node.OnlineDeadline = *onlineDeadline
102 var xxOnly nncp.TRxTx
110 if flag.NArg() == 2 {
111 addrs = append(addrs, flag.Arg(1))
112 } else if len(splitted) == 2 {
113 addr, known := ctx.Neigh[*node.Id].Addrs[splitted[1]]
115 log.Fatalln("Unknown ADDR specified")
117 addrs = append(addrs, addr)
119 for _, addr := range ctx.Neigh[*node.Id].Addrs {
120 addrs = append(addrs, addr)
125 for _, addr := range addrs {
126 ctx.LogD("call", nncp.SDS{"addr": addr}, "dialing")
127 conn, err := net.Dial("tcp", addr)
129 log.Println("Can not connect:", err)
132 ctx.LogD("call", nncp.SDS{"addr": addr}, "connected")
133 state, err := ctx.StartI(conn, node.Id, nice, &xxOnly)
135 ctx.LogI("call-start", nncp.SDS{"node": state.Node.Id}, "connected")
137 ctx.LogI("call-finish", nncp.SDS{
138 "node": state.Node.Id,
139 "duration": strconv.FormatInt(int64(state.Duration.Seconds()), 10),
140 "rxbytes": strconv.FormatInt(state.RxBytes, 10),
141 "txbytes": strconv.FormatInt(state.TxBytes, 10),
142 "rxspeed": strconv.FormatInt(state.RxSpeed, 10),
143 "txspeed": strconv.FormatInt(state.TxSpeed, 10),
149 ctx.LogE("call-start", nncp.SDS{"node": state.Node.Id, "err": err}, "")