import (
"bufio"
"fmt"
+ "io/fs"
"os/exec"
"strings"
"sync"
events chan<- ConnEvent // same as Events, to publish events
eventsWg sync.WaitGroup
- debug bool
- remote string
+ debug bool
+ sshRemote string
+ sshOpts []string
+
+ remoteHelpers fs.FS
cmd *exec.Cmd
conn *safcm.GobConn
type ConnEventType int
const (
- _ ConnEventType = iota
- ConnEventStderr
- ConnEventDebug
- ConnEventUpload
+ _ ConnEventType = iota
+ ConnEventStderr // stderr from spawned process
+ ConnEventDebug // debug message
+ ConnEventUpload // remote helper upload in progress
)
type ConnEvent struct {
}
// NewConn creates a new connection. Events in the returned struct must be
-// regularly read or the connection will stall. This must be done before
+// regularly read or the connection will hang. This must be done before
// DialSSH is called to open a connection.
func NewConn(debug bool) *Conn {
ch := make(chan ConnEvent)
}
// Kill forcefully terminates the connection. It's safe to call Kill (and
-// Wait) multiple times.
+// Wait) multiple times. Calling it before Dial*() was called will only close
+// the Events channel.
func (c *Conn) Kill() error {
if c.cmd == nil {
+ if c.events != nil {
+ close(c.events)
+ c.events = nil
+ }
return fmt.Errorf("Dial*() not called or already terminated")
}