mirror of https://github.com/docker/docs.git
24 lines
508 B
Go
24 lines
508 B
Go
package util
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import (
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"fmt"
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"strconv"
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"strings"
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)
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// SplitPortProto splits a string in the format port/protocol, defaulting
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// protocol to "tcp" if not provided.
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func SplitPortProto(raw string) (port int, protocol string, err error) {
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parts := strings.Split(raw, "/")
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if len(parts) == 1 {
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protocol = "tcp"
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} else {
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protocol = parts[1]
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}
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port, err = strconv.Atoi(parts[0])
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if err != nil {
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return 0, "", fmt.Errorf("invalid port number %s: %s", parts[0], err)
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}
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return port, protocol, nil
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}
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