Maint: loopstate package used in Openvpn state

internal/openvpn/state/state.go

@@ -0,0 +1,53 @@
+package state
+
+import (
+	"sync"
+
+	"github.com/qdm12/gluetun/internal/configuration"
+	"github.com/qdm12/gluetun/internal/loopstate"
+	"github.com/qdm12/gluetun/internal/models"
+)
+
+var _ Manager = (*State)(nil)
+
+type Manager interface {
+	SettingsGetterSetter
+	ServersGetterSetter
+	PortForwardedGetterSetter
+	GetSettingsAndServers() (settings configuration.OpenVPN,
+		allServers models.AllServers)
+}
+
+func New(statusApplier loopstate.Applier,
+	settings configuration.OpenVPN,
+	allServers models.AllServers) *State {
+	return &State{
+		statusApplier: statusApplier,
+		settings:      settings,
+		allServers:    allServers,
+	}
+}
+
+type State struct {
+	statusApplier loopstate.Applier
+
+	settings   configuration.OpenVPN
+	settingsMu sync.RWMutex
+
+	allServers   models.AllServers
+	allServersMu sync.RWMutex
+
+	portForwarded   uint16
+	portForwardedMu sync.RWMutex
+}
+
+func (s *State) GetSettingsAndServers() (settings configuration.OpenVPN,
+	allServers models.AllServers) {
+	s.settingsMu.RLock()
+	s.allServersMu.RLock()
+	settings = s.settings
+	allServers = s.allServers
+	s.settingsMu.RUnlock()
+	s.allServersMu.RUnlock()
+	return settings, allServers
+}