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package main
import (
"context"
"crypto/tls"
"log"
"sync"
sr "tildegit.org/tjp/sliderule"
"tildegit.org/tjp/sliderule/finger"
"tildegit.org/tjp/sliderule/gemini"
"tildegit.org/tjp/sliderule/gopher"
"tildegit.org/tjp/sliderule/logging"
)
func main() {
conf := configure()
gemTLS, err := gemini.FileTLS(conf.tlsCertFile, conf.tlsKeyFile)
if err != nil {
log.Fatal(err)
}
ctx, _, info, warn, errlog := serverContext()
gopherSrv, err := buildGopher(ctx, conf, info, errlog)
if err != nil {
log.Fatal(err)
}
fingerSrv, err := buildFinger(ctx, conf, info, errlog)
if err != nil {
log.Fatal(err)
}
dropped, err := dropPrivileges()
if err != nil {
log.Fatal(err)
}
if !dropped {
_ = warn.Log("msg", "dropping privileges to 'nobody' failed")
}
gemSrv, err := buildGemini(ctx, conf, gemTLS, info, errlog)
if err != nil {
log.Fatal(err)
}
wg := &sync.WaitGroup{}
wg.Add(3)
go runServer(gemSrv, wg)
go runServer(gopherSrv, wg)
go runServer(fingerSrv, wg)
wg.Wait()
}
func buildGemini(
ctx context.Context,
conf config,
gemTLS *tls.Config,
infolog logging.Logger,
errlog logging.Logger,
) (sr.Server, error) {
handler := logging.LogRequests(infolog)(geminiRouter(conf))
infolog.Log("msg", "starting gemini server", "gemini_root", conf.geminiRoot)
return gemini.NewServer(ctx, conf.hostname, "tcp", "", handler, errlog, gemTLS)
}
func buildGopher(
ctx context.Context,
conf config,
infolog logging.Logger,
errlog logging.Logger,
) (sr.Server, error) {
handler := logging.LogRequests(infolog)(gopherRouter(conf))
infolog.Log("msg", "starting gopher server", "gopher_root", conf.gopherRoot)
return gopher.NewServer(ctx, conf.hostname, "tcp", "", handler, errlog)
}
func buildFinger(
ctx context.Context,
conf config,
infolog logging.Logger,
errlog logging.Logger,
) (sr.Server, error) {
handler := logging.LogRequests(infolog)(fingerHandler(conf))
infolog.Log("msg", "starting finger server", "finger_users", len(conf.fingerResponses))
return finger.NewServer(ctx, conf.hostname, "tcp", "", handler, errlog)
}
func runServer(server sr.Server, wg *sync.WaitGroup) error {
defer wg.Done()
return server.Serve()
}
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