90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
// Copyright 2019 Drone IO, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build oss
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package server
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import (
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"context"
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"net/http"
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"golang.org/x/sync/errgroup"
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)
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// A Server defines parameters for running an HTTP server.
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type Server struct {
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Acme bool
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Addr string
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Cert string
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Key string
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Host string
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Handler http.Handler
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}
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// ListenAndServe initializes a server to respond to HTTP network requests.
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func (s Server) ListenAndServe(ctx context.Context) error {
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if s.Key != "" {
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return s.listenAndServeTLS(ctx)
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}
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return s.listenAndServe(ctx)
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}
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func (s Server) listenAndServe(ctx context.Context) error {
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var g errgroup.Group
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s1 := &http.Server{
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Addr: s.Addr,
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Handler: s.Handler,
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}
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g.Go(func() error {
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select {
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case <-ctx.Done():
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return s1.Shutdown(ctx)
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}
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})
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g.Go(func() error {
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return s1.ListenAndServe()
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})
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return g.Wait()
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}
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func (s Server) listenAndServeTLS(ctx context.Context) error {
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var g errgroup.Group
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s1 := &http.Server{
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Addr: ":http",
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Handler: s.Handler,
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}
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s2 := &http.Server{
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Addr: ":https",
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Handler: s.Handler,
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}
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g.Go(func() error {
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return s1.ListenAndServe()
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})
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g.Go(func() error {
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return s2.ListenAndServeTLS(
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s.Cert,
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s.Key,
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)
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})
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g.Go(func() error {
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select {
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case <-ctx.Done():
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s1.Shutdown(ctx)
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s2.Shutdown(ctx)
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return nil
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}
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})
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return g.Wait()
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}
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