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// SPDX-License-Identifier: GPL-3.0-or-later
package filestatus
import (
"encoding/json"
"fmt"
"os"
"slices"
"sync"
"github.com/netdata/netdata/go/go.d.plugin/agent/confgroup"
)
func LoadStore(path string) (*Store, error) {
var s Store
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer func() { _ = f.Close() }()
return &s, json.NewDecoder(f).Decode(&s.items)
}
type Store struct {
mux sync.Mutex
items map[string]map[string]string // [module][name:hash]status
}
func (s *Store) Contains(cfg confgroup.Config, statuses ...string) bool {
status, ok := s.lookup(cfg)
if !ok {
return false
}
return slices.Contains(statuses, status)
}
func (s *Store) lookup(cfg confgroup.Config) (string, bool) {
s.mux.Lock()
defer s.mux.Unlock()
jobs, ok := s.items[cfg.Module()]
if !ok {
return "", false
}
status, ok := jobs[storeJobKey(cfg)]
return status, ok
}
func (s *Store) add(cfg confgroup.Config, status string) {
s.mux.Lock()
defer s.mux.Unlock()
if s.items == nil {
s.items = make(map[string]map[string]string)
}
if s.items[cfg.Module()] == nil {
s.items[cfg.Module()] = make(map[string]string)
}
s.items[cfg.Module()][storeJobKey(cfg)] = status
}
func (s *Store) remove(cfg confgroup.Config) {
s.mux.Lock()
defer s.mux.Unlock()
delete(s.items[cfg.Module()], storeJobKey(cfg))
if len(s.items[cfg.Module()]) == 0 {
delete(s.items, cfg.Module())
}
}
func (s *Store) bytes() ([]byte, error) {
s.mux.Lock()
defer s.mux.Unlock()
return json.MarshalIndent(s.items, "", " ")
}
func storeJobKey(cfg confgroup.Config) string {
return fmt.Sprintf("%s:%d", cfg.Name(), cfg.Hash())
}
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