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