69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package main
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import (
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"log"
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"os"
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"sync"
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)
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var config Config
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const sockfile = "/tmp/gopaper.sock"
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func main() {
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//TODO:kill existing processes
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log.SetFlags(log.LstdFlags | log.Lshortfile)
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err := config.load()
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logfile, err := openLogfile()
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if err != nil {
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log.Println("failed to load config", err)
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cleanExit(1)
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}
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log.SetOutput(logfile)
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log.SetFlags(log.LstdFlags | log.Lshortfile | log.Lmicroseconds)
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log.Println("Welcome to GoPaper!")
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var waitGroup sync.WaitGroup
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waitGroup.Add(1)
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slideshowDir := make(chan string)
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func() {
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defer func() {
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if r := recover(); r != nil {
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log.Println("Panic recovered at top level. Closing gracefully.", r)
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cleanExit(1)
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}
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}()
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go server(slideshowDir)
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go slideshow(slideshowDir)
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}()
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var dir string
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args := os.Args[1:]
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if len(args) > 0 {
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dir = args[0]
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} else {
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dir = config.Default
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}
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slideshowDir <- dir
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waitGroup.Wait()
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}
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func openLogfile() (*os.File, error) {
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//TODO: log rotation
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f, err := os.OpenFile(config.Cache+"/logfile", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
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if err != nil {
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return nil, err
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}
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return f, nil
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}
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func cleanExit(code int) {
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os.Remove(sockfile)
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os.Exit(code)
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}
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