mirror of
https://github.com/jackc/pgx.git
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eff55451cf
Altered chunkreader to never reuse memory. Altered pgproto3 to to copy memory when decoding. Renamed UnmarshalBinary to Decode because of changed semantics.
63 lines
1.0 KiB
Go
63 lines
1.0 KiB
Go
package pgproto3
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import (
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"bytes"
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"encoding/binary"
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"encoding/json"
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)
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type ParameterStatus struct {
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Name string
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Value string
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}
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func (*ParameterStatus) Backend() {}
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func (dst *ParameterStatus) Decode(src []byte) error {
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buf := bytes.NewBuffer(src)
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b, err := buf.ReadBytes(0)
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if err != nil {
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return err
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}
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name := string(b[:len(b)-1])
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b, err = buf.ReadBytes(0)
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if err != nil {
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return err
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}
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value := string(b[:len(b)-1])
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*dst = ParameterStatus{Name: name, Value: value}
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return nil
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}
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func (src *ParameterStatus) MarshalBinary() ([]byte, error) {
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var bigEndian BigEndianBuf
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buf := &bytes.Buffer{}
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buf.WriteByte('S')
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buf.Write(bigEndian.Uint32(0))
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buf.WriteString(src.Name)
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buf.WriteByte(0)
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buf.WriteString(src.Value)
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buf.WriteByte(0)
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binary.BigEndian.PutUint32(buf.Bytes()[1:5], uint32(buf.Len()-1))
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return buf.Bytes(), nil
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}
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func (ps *ParameterStatus) MarshalJSON() ([]byte, error) {
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return json.Marshal(struct {
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Type string
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Name string
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Value string
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}{
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Type: "ParameterStatus",
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Name: ps.Name,
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Value: ps.Value,
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})
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}
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