ref: ace2ae8862cf3b124d21815a24484c3137ae77c1
dir: /cmd/gojafs/main_plan9.go/
package main
import (
"fmt"
"github.com/knusbaum/go9p"
"github.com/psilva261/opossum/logger"
"io"
"os"
"syscall"
)
func Init() (err error) {
mtpt = "/mnt/opossum"
if htm != "" || len(js) > 0 {
log.Printf("not loading htm/js from mtpt")
return
}
bs, err := os.ReadFile(mtpt + "/html")
if err != nil {
return
}
htm = string(bs)
ds, err := os.ReadDir(mtpt + "/js")
if err != nil {
return
}
for i := 0; i < len(ds); i++ {
fn := fmt.Sprintf(mtpt+"/js/%v.js", i)
log.Infof("fn=%v", fn)
bs, err := os.ReadFile(fn)
if err != nil {
return fmt.Errorf("read all: %w", err)
}
js = append(js, string(bs))
}
return
}
func open(fn string) (rwc io.ReadWriteCloser, err error) {
return os.OpenFile(mtpt+"/"+fn, os.O_RDWR, 0600)
}
func post(srv go9p.Srv) (err error) {
f1, f2, err := os.Pipe()
if err != nil {
return fmt.Errorf("pipe: %w", err)
}
go func() {
err = go9p.ServeReadWriter(f1, f1, srv)
if err != nil {
log.Errorf("serve rw: %v", err)
}
}()
if err = syscall.Mount(int(f2.Fd()), -1, "/mnt/goja", syscall.MCREATE, ""); err != nil {
return fmt.Errorf("mount: %w", err)
}
return
}
func callGojaCtl() (rwc io.ReadWriteCloser, err error) {
return os.OpenFile("/mnt/goja/ctl", os.O_RDWR, 0600)
}