111 lines
2.6 KiB
Go
111 lines
2.6 KiB
Go
package watchers
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import (
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"fmt"
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"sync"
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"Moonshark/routers"
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"Moonshark/runner"
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"Moonshark/utils/logger"
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)
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// Global watcher manager instance with explicit creation
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var (
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globalManager *WatcherManager
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globalManagerOnce sync.Once
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)
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// GetWatcherManager returns the global watcher manager, creating it if needed
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func GetWatcherManager() *WatcherManager {
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globalManagerOnce.Do(func() {
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globalManager = NewWatcherManager(DefaultPollInterval)
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})
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return globalManager
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}
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// ShutdownWatcherManager closes the global watcher manager if it exists
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func ShutdownWatcherManager() {
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if globalManager != nil {
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globalManager.Close()
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globalManager = nil
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}
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}
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// WatchLuaRouter sets up a watcher for a LuaRouter's routes directory
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func WatchLuaRouter(router *routers.LuaRouter, runner *runner.Runner, routesDir string) (*DirectoryWatcher, error) {
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manager := GetWatcherManager()
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runnerRefresh := func() error {
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logger.Debug("Refreshing LuaRunner state due to file change")
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runner.NotifyFileChanged("")
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return nil
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}
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combinedCallback := combineCallbacks(router.Refresh, runnerRefresh)
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config := DirectoryWatcherConfig{
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Dir: routesDir,
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Callback: combinedCallback,
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Recursive: true,
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}
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watcher, err := manager.WatchDirectory(config)
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if err != nil {
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return nil, fmt.Errorf("failed to watch directory: %w", err)
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}
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logger.Info("Started watching Lua routes directory: %s", routesDir)
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return watcher, nil
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}
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// WatchLuaModules sets up watchers for Lua module directories
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func WatchLuaModules(luaRunner *runner.Runner, libDirs []string) ([]*DirectoryWatcher, error) {
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manager := GetWatcherManager()
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watchers := make([]*DirectoryWatcher, 0, len(libDirs))
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for _, dir := range libDirs {
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dirCopy := dir
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callback := func() error {
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logger.Debug("Detected changes in Lua module directory: %s", dirCopy)
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if err := luaRunner.RefreshStates(); err != nil {
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logger.Warning("Error reloading modules: %v", err)
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}
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return nil
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}
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config := DirectoryWatcherConfig{
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Dir: dir,
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Callback: callback,
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Recursive: true,
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}
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watcher, err := manager.WatchDirectory(config)
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if err != nil {
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for _, w := range watchers {
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manager.UnwatchDirectory(w.dir)
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}
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return nil, fmt.Errorf("failed to watch directory %s: %w", dir, err)
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}
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watchers = append(watchers, watcher)
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logger.Info("Started watching Lua modules directory: %s", dir)
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}
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return watchers, nil
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}
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// combineCallbacks creates a single callback function from multiple callbacks
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func combineCallbacks(callbacks ...func() error) func() error {
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return func() error {
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for _, callback := range callbacks {
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if err := callback(); err != nil {
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return err
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}
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}
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return nil
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}
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}
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