58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package dhcp
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import (
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"errors"
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"fmt"
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"io"
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)
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type OptionTag uint8
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type Option func(req *BootRequest, r io.Reader) error
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const (
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OptionTagPadding OptionTag = 0
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OptionTagHostName OptionTag = 12
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OptionTagMessageType OptionTag = 53
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OptionTagParameterRequestList OptionTag = 55
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OptionTagEnd OptionTag = 255
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)
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var optionRegistry = map[OptionTag]Option{
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OptionTagPadding: OptionPad,
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OptionTagHostName: OptionHostName,
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OptionTagMessageType: OptionMessageType,
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OptionTagParameterRequestList: OptionParameterRequestList,
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OptionTagEnd: OptionEnd,
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}
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func OptionPad(req *BootRequest, r io.Reader) error {
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return nil
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}
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func OptionHostName(req *BootRequest, r io.Reader) error {
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return errors.New("dhcp: option not implemented yet")
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}
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func OptionMessageType(req *BootRequest, r io.Reader) error {
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return errors.New("dhcp: option not implemented yet")
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}
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func OptionParameterRequestList(req *BootRequest, r io.Reader) error {
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return errors.New("dhcp: option not implemented yet")
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}
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func OptionEnd(req *BootRequest, r io.Reader) error {
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return errors.New("dhcp: option not implemented yet")
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}
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func ReadOption(req *BootRequest, tag byte, r io.Reader) error {
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opt := OptionTag(tag)
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if f, ok := optionRegistry[opt]; ok {
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return f(req, r)
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}
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return fmt.Errorf("dhcp: unknown/unhandled option %d", opt)
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}
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