42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package docker
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import (
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"fmt"
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"github.com/pkg/errors"
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"github.com/pterodactyl/wings/environment"
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)
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// Returns the current environment state.
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func (e *Environment) State() string {
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e.stMu.RLock()
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defer e.stMu.RUnlock()
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return e.st
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}
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// Sets the state of the environment. This emits an event that server's can hook into to
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// take their own actions and track their own state based on the environment.
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func (e *Environment) setState(state string) error {
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if state != environment.ProcessOfflineState &&
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state != environment.ProcessStartingState &&
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state != environment.ProcessRunningState &&
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state != environment.ProcessStoppingState {
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return errors.New(fmt.Sprintf("invalid server state received: %s", state))
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}
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// Get the current state of the environment before changing it.
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prevState := e.State()
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// Emit the event to any listeners that are currently registered.
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if prevState != state {
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// If the state changed make sure we update the internal tracking to note that.
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e.stMu.Lock()
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e.st = state
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e.stMu.Unlock()
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e.Events().Publish(environment.StateChangeEvent, e.State())
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}
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return nil
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}
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