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package main
import (
"fmt"
"os"
"path/filepath"
"time"
"git.torproject.org/user/phw/zoossh.git"
)
var processedDescs int64 = 0
var totalBw uint64 = 0
func Min(a uint64, b uint64, c uint64) uint64 {
min := a
if b < min {
min = b
}
if c < min {
min = c
}
return min
}
func ProcessDescriptors(path string, info os.FileInfo, err error) error {
if _, err := os.Stat(path); err != nil {
return err
}
if info.IsDir() {
return nil
}
consensus, err := zoossh.ParseDescriptorFile(path)
if err != nil {
return err
}
if (processedDescs % 100) == 0 {
fmt.Printf(".")
}
for _, getDesc := range consensus.RouterDescriptors {
desc := getDesc()
totalBw += Min(desc.BandwidthAvg, desc.BandwidthBurst, desc.BandwidthObs)
processedDescs++
}
return nil
}
func main() {
before = time.Now()
filepath.Walk("server-descriptors-2015-11", ProcessDescriptors)
fmt.Println()
after = time.Now()
duration = after.Sub(before)
fmt.Println("Total time for descriptors:", duration)
fmt.Printf("Time per descriptor: %dns\n",
duration.Nanoseconds()/processedDescs)
fmt.Printf("Processed %d descriptors.\n", processedDescs)
fmt.Printf("Average advertised bandwidth: %d\n", totalBw/uint64(processedDescs))
}
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