39 lines
744 B
Go
39 lines
744 B
Go
// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
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package containerlog
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import (
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"fmt"
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"errors"
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"encoding/binary"
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)
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type StreamType byte
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const (
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StreamStdin StreamType = 0x0
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StreamStdout StreamType = 0x1
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StreamStderr StreamType = 0x2
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)
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var (
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ErrInvalidStreamType error = errors.New("Invalid container log stream type")
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)
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func (s StreamType) Validate() error {
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switch s {
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case StreamStdin, StreamStdout, StreamStderr:
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return nil
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}
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return fmt.Errorf("%w: %d", ErrInvalidStreamType, s)
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}
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func (s StreamType) Log(msg string) (log []byte) {
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msgLen := len(msg)
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log = make([]byte, 8 + msgLen)
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binary.BigEndian.PutUint64(log, uint64(msgLen))
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log[0] = byte(s)
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copy(log[8:], []byte(msg))
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return
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}
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