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package main
import (
"flag"
"fmt"
"os"
"runtime"
"runtime/pprof"
"github.com/bettercap/recording"
)
var (
fileName = "/home/evilsocket/bettercap-session.record"
cpuProfile = ""
memProfile = ""
)
func init() {
flag.StringVar(&fileName, "file", fileName, "Record file name to load.")
flag.StringVar(&cpuProfile, "cpu-profile", cpuProfile, "If filled, it'll save a CPU profile on this file.")
flag.StringVar(&memProfile, "mem-profile", memProfile, "If filled, it'll save a memory profile on this file.")
}
func PrintMemUsage() {
var m runtime.MemStats
runtime.ReadMemStats(&m)
// For info on each, see: https://golang.org/pkg/runtime/#MemStats
fmt.Printf("Alloc = %v MiB", bToMb(m.Alloc))
fmt.Printf("\tTotalAlloc = %v MiB", bToMb(m.TotalAlloc))
fmt.Printf("\tSys = %v MiB", bToMb(m.Sys))
fmt.Printf("\tNumGC = %v\n", m.NumGC)
}
func bToMb(b uint64) uint64 {
return b / 1024 / 1024
}
func main() {
flag.Parse()
if cpuProfile != "" {
fmt.Printf("saving cpu profile to %s\n", cpuProfile)
f, err := os.Create(cpuProfile)
if err != nil {
panic(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
// load a recording from a file and print progress while loading it
arch, err := recording.Load(fileName, func(perc float64, done int, total int) {
fmt.Printf("loaded %d/%d frames ( %.2f ) ...\n", done, total, perc)
})
if err != nil {
panic(err)
}
fmt.Printf("loaded session started at %s and stopped at %s (%s):\n\n", arch.Session.StartedAt(), arch.Session.StoppedAt(), arch.Session.Duration())
// keep iterating every session frame until they're over
// the same is doable with the `arch.Events` field
for arch.Session.Over() == false {
raw := arch.Session.Next()
// parse the raw JSON into a map or whatever to access its attributes
fmt.Printf("loaded %d bytes of frame\n", len(raw))
}
PrintMemUsage()
if memProfile != "" {
f, err := os.Create(memProfile)
if err != nil {
panic(err)
}
pprof.WriteHeapProfile(f)
f.Close()
}
}
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