cityuni-webserver/cmd/wappcityuni/utils.go

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package main
import (
"golang.captainalm.com/cityuni-webserver/conf"
"log"
"net"
"net/http"
"net/http/fcgi"
"os"
"path"
"path/filepath"
"strings"
)
func check(err error) {
if err != nil {
panic(err)
}
}
func getListener(config conf.ConfigYaml, cwd string) net.Listener {
split := strings.Split(strings.ToLower(config.Listen.WebNetwork), ":")
if len(split) == 0 {
log.Fatalln("Invalid Web Network")
return nil
} else {
var theListener net.Listener
var theError error
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log.Println("[Main] Socket Network Type: " + split[0])
log.Printf("[Main] Starting up %s server on %s...\n", config.Listen.WebMethod, config.Listen.Web)
switch split[0] {
case "tcp", "tcp4", "tcp6":
theListener, theError = net.Listen(strings.ToLower(config.Listen.WebNetwork), config.Listen.Web)
case "unix", "unixgram", "unixpacket":
socketPath := config.Listen.Web
if !filepath.IsAbs(socketPath) {
if !filepath.IsAbs(cwd) {
log.Fatalln("Web Path Not Absolute And No Working Directory.")
return nil
}
socketPath = path.Join(cwd, socketPath)
}
log.Println("[Main] Removing old socket.")
if err := os.RemoveAll(socketPath); err != nil {
log.Fatalln("Could Not Remove Old Socket.")
return nil
}
theListener, theError = net.Listen(strings.ToLower(config.Listen.WebNetwork), config.Listen.Web)
default:
log.Fatalln("Unknown Web Network.")
return nil
}
if theError != nil {
log.Fatalln("Failed to listen due to:", theError)
return nil
}
return theListener
}
}
func runBackgroundHttp(s *http.Server, l net.Listener, tlsEnabled bool) {
var err error
if tlsEnabled {
err = s.ServeTLS(l, "", "")
} else {
err = s.Serve(l)
}
if err != nil {
if err == http.ErrServerClosed {
log.Println("The http server shutdown successfully")
} else {
log.Fatalf("[Http] Error trying to host the http server: %s\n", err.Error())
}
}
}
func runBackgroundFCgi(h http.Handler, l net.Listener) {
err := fcgi.Serve(l, h)
if err != nil {
if err == net.ErrClosed {
log.Println("The fcgi server shutdown successfully")
} else {
log.Fatalf("[Http] Error trying to host the fcgi server: %s\n", err.Error())
}
}
}