rclone/cmd/serve/httplib/httplib.go

68 lines
1.5 KiB
Go

// Package httplib provides common functionality for http servers
package httplib
import (
"fmt"
"log"
"net/http"
"github.com/spf13/pflag"
)
// Globals
var (
bindAddress = "localhost:8080"
)
// AddFlags adds the http server specific flags
func AddFlags(flagSet *pflag.FlagSet) {
flagSet.StringVarP(&bindAddress, "addr", "", bindAddress, "IPaddress:Port to bind server to.")
}
// Help contains text describing the http server to add to the command
// help.
var Help = `
### Server options
Use --addr to specify which IP address and port the server should
listen on, eg --addr 1.2.3.4:8000 or --addr :8080 to listen to all
IPs. By default it only listens on localhost.
`
// Server contains info about the running http server
type Server struct {
bindAddress string
httpServer *http.Server
}
// NewServer creates an http server
func NewServer(handler http.Handler) *Server {
s := &Server{
bindAddress: bindAddress,
}
// FIXME make a transport?
s.httpServer = &http.Server{
Addr: s.bindAddress,
Handler: handler,
MaxHeaderBytes: 1 << 20,
}
// go version specific initialisation
initServer(s.httpServer)
return s
}
// SetBindAddress overrides the config flag
func (s *Server) SetBindAddress(addr string) {
s.bindAddress = addr
s.httpServer.Addr = addr
}
// Serve runs the server - doesn't return
func (s *Server) Serve() {
log.Fatal(s.httpServer.ListenAndServe())
}
// URL returns the serving address of this server
func (s *Server) URL() string {
return fmt.Sprintf("http://%s/", s.bindAddress)
}