84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
package main
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import (
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"context"
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"fmt"
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"io/fs"
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"net/http"
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"os"
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"os/signal"
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"path/filepath"
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"syscall"
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"time"
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"git.noctra.dev/noctra/servtex/backend"
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"git.noctra.dev/noctra/servtex/frontend"
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"git.noctra.dev/noctra/servtex/globals"
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)
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// Exit Codes:
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// 0 - ok
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// 1 - log file could not be accessed
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// 2 - config file could not be read
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func main() {
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// temporary logfile
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var err error
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globals.LogFile, err = os.OpenFile("./servtex.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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defer globals.LogFile.Close()
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// parse configuration
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err = backend.ConfigReader("config.json", &globals.AppConfig)
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if err != nil { os.Exit(1) }
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// user-chosen logfile
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globals.LogFile, err = os.OpenFile(globals.AppConfig.LogFilePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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if err != nil { os.Exit(2) }
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// webserver init
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server := &http.Server{Addr: globals.AppConfig.WebserverDomain + ":" + globals.AppConfig.WebserverPort}
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serverSecure := &http.Server{Addr: globals.AppConfig.WebserverDomain + ":" + globals.AppConfig.WebserverPortSecure}
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// website url paths
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http.HandleFunc("/", frontend.MainHandler)
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http.HandleFunc("/sse", frontend.SSEventHandler)
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http.HandleFunc("/pdf", frontend.PDFHandler)
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http.HandleFunc("/compile", frontend.PDFCompile)
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jscss, _ := fs.Sub(frontend.WebFiles, "jscss")
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http.Handle("/jscss/", http.StripPrefix("/jscss/", http.FileServer(http.FS(jscss))))
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// rocket
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go server.ListenAndServe()
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if globals.AppConfig.WebserverSecure {
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go serverSecure.ListenAndServeTLS(globals.AppConfig.CertificatePath, globals.AppConfig.CertificateKeyPath)
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}
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// file system change watch
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absTexPath, err := filepath.Abs(globals.AppConfig.LatexSourceFilePath)
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if err == nil {
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backend.ChangeWatch(filepath.Dir(absTexPath), backend.LatexCompile)
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} else {
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backend.LogLine("Absolute TeX file path could not be gotten", 4)
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}
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backend.LogLine("Started", 2)
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fmt.Println("Press CTRL-C to Exit ServTeX")
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// wait for signal to quit
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM)
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<-stop
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// remove ^C from stdout
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fmt.Print("\r")
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// shutdown
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// known issue: sse blocks shutdown if a client is still connected
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context, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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server.Shutdown(context)
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serverSecure.Shutdown(context)
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backend.LogLine("Stopped", 2)
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}
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