func (s *ShellServer) handleShell(ws *websocket.Conn, shell engines.Shell) {
done := make(chan struct{})
// Create a shell handler
s.updateRefCount(1)
handler := NewShellHandler(ws, s.log.WithField("shell-instance-id", s.nextID()))
// Connect pipes
go ioext.CopyAndClose(shell.StdinPipe(), handler.StdinPipe())
go ioext.CopyAndClose(handler.StdoutPipe(), shell.StdoutPipe())
go ioext.CopyAndClose(handler.StderrPipe(), shell.StderrPipe())
// Start streaming
handler.Communicate(shell.SetSize, shell.Abort)
// Wait for call to abort all shells
go func() {
select {
case <-s.done:
shell.Abort()
case <-done:
}
}()
// Wait for the shell to terminate
success, _ := shell.Wait()
handler.Terminated(success)
s.updateRefCount(-1)
// Close done so we stop waiting for abort on all shells
select {
case <-done:
default:
close(done)
}
}
