37 lines
910 B
Go
37 lines
910 B
Go
package isphere
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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)
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func LoadEncryptedPacketLogSourceFromFile(path string) (EncryptedPacketLogSource, error) {
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trimmedPath := strings.TrimSpace(path)
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if trimmedPath == "" {
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return EncryptedPacketLogSource{}, fmt.Errorf("packet log file path is empty")
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}
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file, err := os.Open(trimmedPath)
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if err != nil {
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return EncryptedPacketLogSource{}, fmt.Errorf("open packet log file %q: %w", trimmedPath, err)
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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scanner.Buffer(make([]byte, 64*1024), 16*1024*1024)
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lines := []string{}
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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if line == "" {
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continue
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}
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lines = append(lines, line)
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}
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if err := scanner.Err(); err != nil {
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return EncryptedPacketLogSource{}, fmt.Errorf("read packet log file %q: %w", trimmedPath, err)
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}
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return EncryptedPacketLogSource{Lines: lines}, nil
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}
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