mirror of https://github.com/hashicorp/consul
73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
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package protocol
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import (
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"strconv"
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"time"
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)
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// Names of time formats supported by the SDK
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const (
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RFC822TimeFormatName = "rfc822"
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ISO8601TimeFormatName = "iso8601"
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UnixTimeFormatName = "unixTimestamp"
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)
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// Time formats supported by the SDK
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const (
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// RFC 7231#section-7.1.1.1 timetamp format. e.g Tue, 29 Apr 2014 18:30:38 GMT
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RFC822TimeFormat = "Mon, 2 Jan 2006 15:04:05 GMT"
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// RFC3339 a subset of the ISO8601 timestamp format. e.g 2014-04-29T18:30:38Z
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ISO8601TimeFormat = "2006-01-02T15:04:05Z"
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)
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// IsKnownTimestampFormat returns if the timestamp format name
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// is know to the SDK's protocols.
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func IsKnownTimestampFormat(name string) bool {
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switch name {
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case RFC822TimeFormatName:
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fallthrough
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case ISO8601TimeFormatName:
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fallthrough
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case UnixTimeFormatName:
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return true
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default:
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return false
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}
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}
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// FormatTime returns a string value of the time.
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func FormatTime(name string, t time.Time) string {
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t = t.UTC()
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switch name {
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case RFC822TimeFormatName:
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return t.Format(RFC822TimeFormat)
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case ISO8601TimeFormatName:
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return t.Format(ISO8601TimeFormat)
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case UnixTimeFormatName:
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return strconv.FormatInt(t.Unix(), 10)
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default:
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panic("unknown timestamp format name, " + name)
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}
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}
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// ParseTime attempts to parse the time given the format. Returns
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// the time if it was able to be parsed, and fails otherwise.
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func ParseTime(formatName, value string) (time.Time, error) {
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switch formatName {
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case RFC822TimeFormatName:
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return time.Parse(RFC822TimeFormat, value)
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case ISO8601TimeFormatName:
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return time.Parse(ISO8601TimeFormat, value)
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case UnixTimeFormatName:
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v, err := strconv.ParseFloat(value, 64)
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if err != nil {
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return time.Time{}, err
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}
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return time.Unix(int64(v), 0), nil
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default:
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panic("unknown timestamp format name, " + formatName)
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}
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}
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