71 lines
1.3 KiB
Go
71 lines
1.3 KiB
Go
package hypr
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"io/fs"
|
|
"os"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"git.milar.in/milarin/slices"
|
|
)
|
|
|
|
func GetInstance(signature string) (*Instance, error) {
|
|
lockFilePath := fmt.Sprintf("/tmp/hypr/%s.lock", signature)
|
|
|
|
file, err := os.Open(lockFilePath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer file.Close()
|
|
|
|
data, err := io.ReadAll(file)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
lines := strings.Split(string(data), "\n")
|
|
|
|
pid, err := strconv.Atoi(lines[0])
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &Instance{
|
|
Signature: signature,
|
|
PID: pid,
|
|
WaylandSocket: lines[1],
|
|
}, nil
|
|
}
|
|
|
|
func GetDefaultInstance() (*Instance, error) {
|
|
signature, ok := os.LookupEnv("HYPRLAND_INSTANCE_SIGNATURE")
|
|
if !ok {
|
|
return nil, errors.New("default instance not found because HYPRLAND_INSTANCE_SIGNATURE is not set")
|
|
}
|
|
|
|
return GetInstance(signature)
|
|
}
|
|
|
|
func GetInstances() ([]*Instance, error) {
|
|
entries, err := os.ReadDir("/tmp/hypr")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
entries = slices.Filter(entries, fs.DirEntry.IsDir)
|
|
instances := make([]*Instance, 0, len(entries))
|
|
for _, entry := range entries {
|
|
instance, err := GetInstance(entry.Name())
|
|
if err != nil {
|
|
fmt.Println(err)
|
|
continue
|
|
}
|
|
instances = append(instances, instance)
|
|
}
|
|
|
|
return instances, nil
|
|
}
|