src/cmd/nncp-stat/main.go

   1 /*
   2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
   3 Copyright (C) 2016-2021 Sergey Matveev <stargrave@stargrave.org>
   4
   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.
   8
   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.
  13
  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/>.
  16 */
  17
  18 // Show queued NNCP Rx/Tx stats.
  19 package main
  20
  21 import (
  22         "flag"
  23         "fmt"
  24         "log"
  25         "os"
  26         "sort"
  27
  28         "github.com/dustin/go-humanize"
  29         "go.cypherpunks.ru/nncp/v5"
  30 )
  31
  32 func usage() {
  33         fmt.Fprintf(os.Stderr, nncp.UsageHeader())
  34         fmt.Fprintf(os.Stderr, "nncp-stat -- show queued Rx/Tx stats\n\n")
  35         fmt.Fprintf(os.Stderr, "Usage: %s [options] [-pkt] [-node NODE]\nOptions:\n", os.Args[0])
  36         flag.PrintDefaults()
  37 }
  38
  39 func jobPrint(xx nncp.TRxTx, job nncp.Job) {
  40         fmt.Printf(
  41                 "\t%s %s %s (nice: %s)\n",
  42                 string(xx),
  43                 nncp.Base32Codec.EncodeToString(job.HshValue[:]),
  44                 humanize.IBytes(uint64(job.Size)),
  45                 nncp.NicenessFmt(job.PktEnc.Nice),
  46         )
  47 }
  48
  49 func main() {
  50         var (
  51                 showPkt   = flag.Bool("pkt", false, "Show packets listing")
  52                 cfgPath   = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
  53                 nodeRaw   = flag.String("node", "", "Process only that node")
  54                 spoolPath = flag.String("spool", "", "Override path to spool")
  55                 debug     = flag.Bool("debug", false, "Print debug messages")
  56                 version   = flag.Bool("version", false, "Print version information")
  57                 warranty  = flag.Bool("warranty", false, "Print warranty information")
  58         )
  59         flag.Usage = usage
  60         flag.Parse()
  61         if *warranty {
  62                 fmt.Println(nncp.Warranty)
  63                 return
  64         }
  65         if *version {
  66                 fmt.Println(nncp.VersionGet())
  67                 return
  68         }
  69
  70         ctx, err := nncp.CtxFromCmdline(*cfgPath, *spoolPath, "", false, false, false, *debug)
  71         if err != nil {
  72                 log.Fatalln("Error during initialization:", err)
  73         }
  74
  75         var nodeOnly *nncp.Node
  76         if *nodeRaw != "" {
  77                 nodeOnly, err = ctx.FindNode(*nodeRaw)
  78                 if err != nil {
  79                         log.Fatalln("Invalid -node specified:", err)
  80                 }
  81         }
  82
  83         nodeNames := make([]string, 0, len(ctx.Neigh))
  84         nodeNameToNode := make(map[string]*nncp.Node, len(ctx.Neigh))
  85         for _, node := range ctx.Neigh {
  86                 nodeNames = append(nodeNames, node.Name)
  87                 nodeNameToNode[node.Name] = node
  88         }
  89         sort.Strings(nodeNames)
  90
  91         ctx.Umask()
  92         var node *nncp.Node
  93         for _, nodeName := range nodeNames {
  94                 node = nodeNameToNode[nodeName]
  95                 if nodeOnly != nil && *node.Id != *nodeOnly.Id {
  96                         continue
  97                 }
  98                 fmt.Println(node.Name)
  99                 rxNums := make(map[uint8]int)
 100                 rxBytes := make(map[uint8]int64)
 101                 for job := range ctx.Jobs(node.Id, nncp.TRx) {
 102                         job.Fd.Close() // #nosec G104
 103                         if *showPkt {
 104                                 jobPrint(nncp.TRx, job)
 105                         }
 106                         rxNums[job.PktEnc.Nice] = rxNums[job.PktEnc.Nice] + 1
 107                         rxBytes[job.PktEnc.Nice] = rxBytes[job.PktEnc.Nice] + job.Size
 108                 }
 109                 txNums := make(map[uint8]int)
 110                 txBytes := make(map[uint8]int64)
 111                 for job := range ctx.Jobs(node.Id, nncp.TTx) {
 112                         job.Fd.Close() // #nosec G104
 113                         if *showPkt {
 114                                 jobPrint(nncp.TTx, job)
 115                         }
 116                         txNums[job.PktEnc.Nice] = txNums[job.PktEnc.Nice] + 1
 117                         txBytes[job.PktEnc.Nice] = txBytes[job.PktEnc.Nice] + job.Size
 118                 }
 119                 var nice uint8
 120                 for nice = 1; nice > 0; nice++ {
 121                         rxNum, rxExists := rxNums[nice]
 122                         txNum, txExists := txNums[nice]
 123                         if !(rxExists || txExists) {
 124                                 continue
 125                         }
 126                         fmt.Printf(
 127                                 "\tnice:% 4s | Rx: % 10s, % 3d pkts | Tx: % 10s, % 3d pkts\n",
 128                                 nncp.NicenessFmt(nice),
 129                                 humanize.IBytes(uint64(rxBytes[nice])),
 130                                 rxNum,
 131                                 humanize.IBytes(uint64(txBytes[nice])),
 132                                 txNum,
 133                         )
 134                 }
 135         }
 136 }