/
main.go
85 lines (76 loc) · 1.5 KB
/
main.go
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package main
import (
"bufio"
"errors"
"fmt"
"io"
"os"
"strconv"
"sync"
"github.com/cosaques/algolia/indexer"
)
func main() {
ch := make(chan struct{})
go func() {
var i int
for {
if _, ok := <-ch; !ok {
return
}
i++
fmt.Printf("\rIndexed %d", i)
}
}()
file, _ := os.Open("hn_logs.tsv")
defer file.Close()
traceReader := indexer.NewTraceReader(file)
aggregator := indexer.NewAggregator()
var wg sync.WaitGroup
for trace, err := traceReader.Read(); !errors.Is(err, io.EOF); trace, err = traceReader.Read() {
if err != nil {
panic(err)
}
wg.Add(1)
go func(trace indexer.Trace) {
defer wg.Done()
aggregator.Add(trace)
ch <- struct{}{}
}(trace)
}
wg.Wait()
close(ch)
fmt.Println("\nCompleted!")
scanner := bufio.NewScanner(os.Stdin)
for {
fmt.Print("Query type (L|T): ")
scanner.Scan()
query := scanner.Text()
fmt.Printf("%q\n", query)
switch query {
case "L":
fmt.Print("Date range: ")
scanner.Scan()
date := scanner.Text()
tr, _ := indexer.ParseTimeRange(date)
if idx := aggregator.GetIndex(tr); idx != nil {
fmt.Println(idx.Len())
} else {
fmt.Println(0)
}
case "T":
fmt.Print("Size: ")
scanner.Scan()
size, _ := strconv.Atoi(scanner.Text())
fmt.Println(size)
fmt.Print("Date range: ")
scanner.Scan()
date := scanner.Text()
tr, _ := indexer.ParseTimeRange(date)
if idx := aggregator.GetIndex(tr); idx != nil {
fmt.Println(idx.Top(size))
} else {
fmt.Println("[]")
}
}
}
}