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package channelwriter
import "github.com/pkg/errors"
// Writer is an io.writer-like object that "writes" to a channel
// instead of a buffer or file, etc. It is handy for varlink endpoints when
// needing to handle endpoints that do logging "real-time"
type Writer struct {
ByteChannel chan []byte
}
// NewChannelWriter creates a new channel writer and adds a
// byte slice channel into it.
func NewChannelWriter() *Writer {
byteChannel := make(chan []byte)
return &Writer{
ByteChannel: byteChannel,
}
}
// Write method for Writer
func (c *Writer) Write(w []byte) (int, error) {
if c.ByteChannel == nil {
return 0, errors.New("channel writer channel cannot be nil")
}
c.ByteChannel <- w
return len(w), nil
}
// Close method for Writer
func (c *Writer) Close() error {
close(c.ByteChannel)
return nil
}
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