package main import ( "fmt" "log" "os" "time" "github.com/knadh/koanf/providers/confmap" "github.com/knadh/koanf/providers/posflag" flag "github.com/spf13/pflag" "git.kemonine.info/PiFrame/config" "git.kemonine.info/PiFrame/ui" ) func main() { // Command line flag handler f := flag.NewFlagSet("piframe", flag.ContinueOnError) f.Usage = func() { fmt.Println(f.FlagUsages()) os.Exit(0) } // Command line flags f.Bool(config.CLI_FLAG_CONFIG_ONLY, false, "Only show the config UI, NOT the slideshow") cliFlag := f.Lookup(config.CLI_FLAG_CONFIG_ONLY) if cliFlag != nil { cliFlag.NoOptDefVal = "true" } // Process command line flags into handler f.Parse(os.Args[1:]) // Load the config file pfConfig, configFileProvider := config.LoadConfig() // For some reason the restart interval comes through the config as 0s // Similar to the fan daemon, keep reloading config until we get a valid value restartDuration := pfConfig.Duration(config.CONFIG_KEY_SLIDESHOW_RESTART_INTERVAL) for restartDuration.Milliseconds() < 1 { pfConfig, configFileProvider = config.LoadConfig() restartDuration = pfConfig.Duration(config.CONFIG_KEY_SLIDESHOW_RESTART_INTERVAL) } // Watch for config changes and re-load config if needed configFileProvider.Watch(func(event interface{}, err error) { if err != nil { log.Printf("Error setting up watch of config : %s", err) return } // Give the config UI a chance to save and exit clean time.Sleep(time.Minute) // Bail on slideshow if there is a config change so it restarts with updated config log.Fatalf("Config file changed! Exiting!") }) // Process command line flags if err := pfConfig.Load(posflag.Provider(f, ".", pfConfig), nil); err != nil { log.Fatalf("Error loading command line flags : %s", err) } hideSlideshow := pfConfig.Bool(config.CLI_FLAG_CONFIG_ONLY) // Reset the CLI flag so it's never writted to the config as 'true' pfConfig.Load(confmap.Provider(map[string]interface{}{ config.CLI_FLAG_CONFIG_ONLY: false, }, "."), nil) if !hideSlideshow { ui.Slideshow(pfConfig) } ui.ConfigGui(pfConfig) }