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package eows
import (
"bufio"
"io"
"strings"
)
// scanBlocks - gain character by character (or as soon as one or more characters are available)
func scanBlocks(data []byte, atEOF bool) (advance int, token []byte, err error) {
if atEOF && len(data) == 0 {
return 0, nil, nil
}
return len(data), data, nil
}
// cmdPumpStdout is in charge to forward stdout in websocket
func (e *ExecOverWS) cmdPumpStdout(r io.Reader, done chan struct{}) {
defer func() {
}()
sc := bufio.NewScanner(r)
// else use default sc.ScanLines
if e.OutSplit == SplitChar {
sc.Split(scanBlocks)
}
for sc.Scan() {
e.OutputCB(e, sc.Text(), "")
}
if sc.Err() != nil && !strings.Contains(sc.Err().Error(), "file already closed") {
e.logError("stdout scan: %v", sc.Err())
}
close(done)
}
// cmdPumpStderr is in charge to forward stderr in websocket
func (e *ExecOverWS) cmdPumpStderr(r io.Reader) {
defer func() {
}()
sc := bufio.NewScanner(r)
// else use default sc.ScanLines
if e.OutSplit == SplitChar {
sc.Split(scanBlocks)
}
for sc.Scan() {
e.OutputCB(e, "", sc.Text())
}
if sc.Err() != nil && !strings.Contains(sc.Err().Error(), "file already closed") {
e.logError("stderr scan: %v", sc.Err())
}
}
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