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server.go
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server.go
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package httpserver
import (
"crypto/tls"
"fmt"
"net"
"net/http"
"strconv"
)
type Server struct {
bindAddr string
bindPort int
handler http.Handler
l net.Listener
tlsConfig *tls.Config
hs *http.Server
}
type Option func(*Server) *Server
func New(options ...Option) *Server {
s := &Server{
bindAddr: "127.0.0.1",
}
for _, option := range options {
s = option(s)
}
return s
}
func WithBindAddr(addr string) Option {
return func(s *Server) *Server {
s.bindAddr = addr
return s
}
}
func WithBindPort(port int) Option {
return func(s *Server) *Server {
s.bindPort = port
return s
}
}
func WithTlsConfig(tlsConfig *tls.Config) Option {
return func(s *Server) *Server {
s.tlsConfig = tlsConfig
return s
}
}
func WithHandler(h http.Handler) Option {
return func(s *Server) *Server {
s.handler = h
return s
}
}
func WithResponse(resp []byte) Option {
return func(s *Server) *Server {
s.handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write(resp)
})
return s
}
}
func (s *Server) Run() error {
if err := s.initListener(); err != nil {
return err
}
addr := net.JoinHostPort(s.bindAddr, strconv.Itoa(s.bindPort))
hs := &http.Server{
Addr: addr,
Handler: s.handler,
TLSConfig: s.tlsConfig,
}
s.hs = hs
if s.tlsConfig == nil {
go hs.Serve(s.l)
} else {
go hs.ServeTLS(s.l, "", "")
}
return nil
}
func (s *Server) Close() error {
if s.hs != nil {
return s.hs.Close()
}
return nil
}
func (s *Server) initListener() (err error) {
s.l, err = net.Listen("tcp", fmt.Sprintf("%s:%d", s.bindAddr, s.bindPort))
return
}
func (s *Server) BindAddr() string {
return s.bindAddr
}
func (s *Server) BindPort() int {
return s.bindPort
}