77 lines
1.3 KiB
Go
77 lines
1.3 KiB
Go
package data_sender_go
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import (
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"google.golang.org/grpc"
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_ "loafle.com/overflow/cron_go"
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"log"
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pb "loafle.com/overflow/crawler_go/grpc"
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"context"
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"os"
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)
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const (
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CENTRAL_ADDR = "127.0.0.1:50052"
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FILE_PATH = "/home/insanity/data/temp"
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)
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func Send(data []byte) {
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conn, err := grpc.Dial(CENTRAL_ADDR, grpc.WithInsecure())
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if err != nil {
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saveFailedData(data)
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return
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}
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defer conn.Close()
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//temporary
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client := pb.NewStatusClient(conn)
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out, err := client.Status(context.Background(), &pb.Empty{})
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if err != nil {
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saveFailedData(data)
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return
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}
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log.Print(out)
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}
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func saveFailedData(data []byte) {
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file, err := tempFile()
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if err != nil {
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log.Println(err)
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}
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defer func() {
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if err := file.Close(); err != nil {
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log.Println(err)
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return
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}
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}()
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_, err = file.Write(data)
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if err != nil {
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log.Println(err)
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}
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}
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func tempFile() (*os.File, error) {
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var file *os.File
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var fileInfo os.FileInfo
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var err error
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if fileInfo, err = os.Stat(FILE_PATH); err != nil {
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if os.IsNotExist(err) {
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file, err = os.Create(FILE_PATH)
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if err != nil {
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return nil, err
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}
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}
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}else {
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if fileInfo != nil {
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file, err = os.OpenFile(FILE_PATH, os.O_RDWR|os.O_APPEND, 0660);
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if err != nil {
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return nil, err
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}
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}
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}
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return file, nil
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} |