geziyor/exporter/json.go
Musab Gültekin f5b3b0d049 Fixed race conditions on exporters.
MaxIdleConns limit disabled to support unlimited requests to all hosts.
MaxIdleConnsPerHost limit increased to speed up requests to same host.
2019-06-14 16:10:36 +03:00

50 lines
1005 B
Go

package exporter
import (
"encoding/json"
"fmt"
"github.com/geziyor/geziyor"
"log"
"os"
"sync"
)
// JSONExporter exports response data as JSON streaming file
type JSONExporter struct {
FileName string
EscapeHTML bool
once sync.Once
mut sync.Mutex
encoder *json.Encoder
}
// Export exports response data as JSON streaming file
func (e *JSONExporter) Export(response *geziyor.Response) {
// Default filename
if e.FileName == "" {
e.FileName = "out.json"
}
// Create file
e.once.Do(func() {
newFile, err := os.OpenFile(e.FileName, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
fmt.Fprintf(os.Stderr, "output file creation error: %v", err)
return
}
e.encoder = json.NewEncoder(newFile)
e.encoder.SetEscapeHTML(e.EscapeHTML)
})
// Export data as responses came
for res := range response.Exports {
e.mut.Lock()
if err := e.encoder.Encode(res); err != nil {
log.Printf("JSON encoding error on exporter: %v\n", err)
}
e.mut.Unlock()
}
}