mirror of https://github.com/jackc/pgx.git
48 lines
998 B
Go
48 lines
998 B
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 BackendKeyData struct {
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ProcessID uint32
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SecretKey uint32
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}
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func (*BackendKeyData) Backend() {}
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func (dst *BackendKeyData) Decode(src []byte) error {
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if len(src) != 8 {
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return &invalidMessageLenErr{messageType: "BackendKeyData", expectedLen: 8, actualLen: len(src)}
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}
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dst.ProcessID = binary.BigEndian.Uint32(src[:4])
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dst.SecretKey = binary.BigEndian.Uint32(src[4:])
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return nil
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}
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func (src *BackendKeyData) MarshalBinary() ([]byte, error) {
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var bigEndian BigEndianBuf
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buf := &bytes.Buffer{}
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buf.WriteByte('K')
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buf.Write(bigEndian.Uint32(12))
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buf.Write(bigEndian.Uint32(src.ProcessID))
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buf.Write(bigEndian.Uint32(src.SecretKey))
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return buf.Bytes(), nil
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}
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func (src *BackendKeyData) MarshalJSON() ([]byte, error) {
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return json.Marshal(struct {
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Type string
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ProcessID uint32
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SecretKey uint32
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}{
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Type: "BackendKeyData",
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ProcessID: src.ProcessID,
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SecretKey: src.SecretKey,
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})
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}
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