44 lines
751 B
Go
44 lines
751 B
Go
package dht
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import (
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"io/ioutil"
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"os"
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"github.com/anacrolix/dht/krpc"
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)
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func WriteNodesToFile(ns []krpc.NodeInfo, fileName string) (err error) {
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b, err := krpc.CompactIPv6NodeInfo(ns).MarshalBinary()
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if err != nil {
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return
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}
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f, err := os.OpenFile(fileName, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0640)
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if err != nil {
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return
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}
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defer func() {
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closeErr := f.Close()
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if err == nil {
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err = closeErr
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}
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}()
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_, err = f.Write(b)
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return
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}
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func ReadNodesFromFile(fileName string) (ns []krpc.NodeInfo, err error) {
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f, err := os.Open(fileName)
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if err != nil {
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return
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}
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defer f.Close()
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b, err := ioutil.ReadAll(f)
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if err != nil {
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return
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}
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var cnis krpc.CompactIPv6NodeInfo
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err = cnis.UnmarshalBinary(b)
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ns = cnis
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return
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}
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