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server.go
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server.go
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package main
import (
"context"
"os"
"os/signal"
"syscall"
"time"
"github.com/httplock/httplock/internal/api"
"github.com/httplock/httplock/internal/cert"
"github.com/httplock/httplock/internal/config"
"github.com/httplock/httplock/internal/proxy"
"github.com/httplock/httplock/internal/storage"
"github.com/spf13/cobra"
)
var serverOpts struct {
addrAPI string
addrProxy string
}
var serverCmd = &cobra.Command{
Use: "server",
Short: "Start the proxy server",
Args: cobra.ExactArgs(0),
RunE: runServer,
}
func init() {
serverCmd.PersistentFlags().StringVarP(
&serverOpts.addrAPI,
"addr-api", "", "",
"API listener address",
)
serverCmd.PersistentFlags().StringVarP(
&serverOpts.addrProxy,
"addr-proxy", "", "",
"Proxy listener address",
)
rootCmd.AddCommand(serverCmd)
}
func runServer(cmd *cobra.Command, args []string) error {
ctx := context.Background()
// parse args, env, load config
conf, err := config.New(config.ConfigOpts{
AddrAPI: serverOpts.addrAPI,
AddrProxy: serverOpts.addrProxy,
ConfFile: rootOpts.confFile,
Log: log,
})
if err != nil {
return err
}
// create storage object
s, err := storage.Get(conf)
if err != nil {
return err
}
// setup cert generation
c := cert.NewCert()
// TODO: load CA from config if provided
err = c.CAGen("Reproducible Proxy CA")
if err != nil {
return err
}
// launch proxy in goroutine
proxySvc, err := proxy.Start(conf, s, c)
if err != nil {
return err
}
// launch api service
apiSvc, err := api.Start(conf, s, c)
if err != nil {
return err
}
// monitor signals to handle shutdown
sig := make(chan os.Signal, 1)
signal.Notify(sig, os.Interrupt, syscall.SIGTERM)
<-sig
ctxShutdown, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
proxySvc.Shutdown(ctxShutdown)
apiSvc.Shutdown(ctxShutdown)
// update index files
err = s.Flush()
if err != nil {
return err
}
return nil
}