35 lines
592 B
Go
35 lines
592 B
Go
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package column
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import (
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"net"
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"github.com/kshvakov/clickhouse/lib/binary"
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)
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type IPv4 struct {
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base
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}
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func (*IPv4) Read(decoder *binary.Decoder) (interface{}, error) {
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v, err := decoder.Fixed(4)
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if err != nil {
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return nil, err
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}
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return net.IPv4(v[3], v[2], v[1], v[0]), nil
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}
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func (ip *IPv4) Write(encoder *binary.Encoder, v interface{}) error {
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netIP, ok := v.(net.IP)
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if !ok {
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return &ErrUnexpectedType{
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T: v,
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Column: ip,
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}
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}
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ip4 := netIP.To4()
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if _, err := encoder.Write([]byte{ip4[3], ip4[2], ip4[1], ip4[0]}); err != nil {
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return err
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}
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return nil
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}
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