68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package main
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import (
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"io/ioutil"
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"log"
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"os"
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"strconv"
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"strings"
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"github.com/codegangsta/cli"
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"github.com/minio-io/minio/pkgs/erasure"
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)
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func encode(c *cli.Context) {
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// check if minio-encode called without parameters
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if len(c.Args()) != 1 {
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cli.ShowCommandHelp(c, "encode")
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return
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}
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// get input path
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inputFilePath := c.Args().Get(0)
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// get output path
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outputFilePath := inputFilePath
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if c.String("output") != "" {
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outputFilePath = c.String("output")
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}
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protectionLevel := c.String("protection-level")
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protectionLevelSplit := strings.Split(protectionLevel, ",")
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if len(protectionLevelSplit) != 2 {
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log.Fatal("Malformed input for protection-level")
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}
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k, err := strconv.Atoi(protectionLevelSplit[0])
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if err != nil {
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log.Fatal(err)
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}
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m, err := strconv.Atoi(protectionLevelSplit[1])
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if err != nil {
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log.Fatal(err)
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}
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// get file
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inputFile, err := os.Open(inputFilePath)
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if err != nil {
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log.Fatal(err)
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}
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// read file
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input, err := ioutil.ReadAll(inputFile)
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if err != nil {
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log.Fatal(err)
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}
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// set up encoder
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erasureParameters, _ := erasure.ParseEncoderParams(k, m, erasure.CAUCHY)
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// encode data
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encodedData, length := erasure.Encode(input, erasureParameters)
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// write encoded data out
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for key, data := range encodedData {
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ioutil.WriteFile(outputFilePath+"."+strconv.Itoa(key), data, 0600)
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}
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ioutil.WriteFile(outputFilePath+".length", []byte(strconv.Itoa(length)), 0600)
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}
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