52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package pgproto3
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import (
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"encoding/binary"
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"encoding/json"
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"errors"
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"github.com/jackc/pgx/v5/internal/pgio"
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)
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// AuthenticationOk is a message sent from the backend indicating that authentication was successful.
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type AuthenticationOk struct {
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}
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// Backend identifies this message as sendable by the PostgreSQL backend.
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func (*AuthenticationOk) Backend() {}
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// Backend identifies this message as an authentication response.
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func (*AuthenticationOk) AuthenticationResponse() {}
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// Decode decodes src into dst. src must contain the complete message with the exception of the initial 1 byte message
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// type identifier and 4 byte message length.
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func (dst *AuthenticationOk) Decode(src []byte) error {
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if len(src) != 4 {
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return errors.New("bad authentication message size")
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}
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authType := binary.BigEndian.Uint32(src)
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if authType != AuthTypeOk {
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return errors.New("bad auth type")
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}
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return nil
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}
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// Encode encodes src into dst. dst will include the 1 byte message type identifier and the 4 byte message length.
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func (src *AuthenticationOk) Encode(dst []byte) ([]byte, error) {
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dst, sp := beginMessage(dst, 'R')
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dst = pgio.AppendUint32(dst, AuthTypeOk)
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return finishMessage(dst, sp)
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}
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// MarshalJSON implements encoding/json.Marshaler.
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func (src AuthenticationOk) MarshalJSON() ([]byte, error) {
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return json.Marshal(struct {
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Type string
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}{
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Type: "AuthenticationOK",
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})
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}
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