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40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package binlog
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import (
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"fmt"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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)
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var binlogFileSuffixPattern = regexp.MustCompile("\\d\\d\\d\\d\\d\\d$")
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func NextBinlogPath(binlogPath string) (string, error) {
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r := regexp.MustCompile("(.*)\\.(\\d\\d\\d\\d\\d\\d)$")
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if !r.MatchString(binlogPath) {
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return "", fmt.Errorf("path %v is not a binlog path", binlogPath)
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}
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matches := r.FindStringSubmatch(binlogPath)
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seq, _ := strconv.Atoi(matches[2])
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return fmt.Sprintf("%v.%06d", matches[1], seq+1), nil
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}
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func BinlogIndexPath(binlogPath string) (string, error) {
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r := regexp.MustCompile("(.*)\\.(\\d\\d\\d\\d\\d\\d)$")
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if !r.MatchString(binlogPath) {
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return "", fmt.Errorf("path %v is not a binlog path", binlogPath)
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}
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matches := r.FindStringSubmatch(binlogPath)
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return fmt.Sprintf("%v.index", matches[1]), nil
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}
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func NextBinlogName(binlogPath string) (string, error) {
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if path, err := NextBinlogPath(binlogPath); nil != err {
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return "", err
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} else {
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path = strings.Replace(path, "\\", "/", -1) //fix windows-style path
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return filepath.Base(path), nil
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}
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}
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