55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package shadowsocks
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import (
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"reflect"
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"sync"
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"github.com/qdm12/gluetun/internal/configuration/settings"
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"github.com/qdm12/gluetun/internal/models"
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)
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type state struct {
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status models.LoopStatus
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settings settings.Shadowsocks
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statusMu sync.RWMutex
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settingsMu sync.RWMutex
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}
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func (s *state) setStatusWithLock(status models.LoopStatus) {
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s.statusMu.Lock()
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defer s.statusMu.Unlock()
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s.status = status
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}
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// GetStatus returns the status of the loop for informative purposes.
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// In no case it should be used programmatically to avoid any
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// TOCTOU race conditions.
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func (l *Loop) GetStatus() (status models.LoopStatus) {
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l.state.statusMu.RLock()
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defer l.state.statusMu.RUnlock()
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return l.state.status
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}
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func (l *Loop) GetSettings() (settings settings.Shadowsocks) {
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l.state.settingsMu.RLock()
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defer l.state.settingsMu.RUnlock()
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return l.state.settings
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}
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func (l *Loop) UpdateSettings(updateSettings settings.Shadowsocks) (outcome string) {
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l.state.settingsMu.Lock()
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previousSettings := l.state.settings.Copy()
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l.state.settings.OverrideWith(updateSettings)
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settingsUnchanged := reflect.DeepEqual(previousSettings, l.state.settings)
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l.state.settingsMu.Unlock()
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if settingsUnchanged {
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return "settings left unchanged"
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}
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l.refresh <- struct{}{}
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newStatus := <-l.changed
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l.state.statusMu.Lock()
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l.state.status = newStatus
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l.state.statusMu.Unlock()
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return "settings updated (service " + newStatus.String() + ")"
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}
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