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Copy pathserver.go
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55 lines (47 loc) · 1.32 KB
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package httpserver
import (
"context"
"net"
"net/http"
"os"
"sync"
"github.com/inconshreveable/log15"
"github.com/sourcegraph/sourcegraph/internal/goroutine"
)
type server struct {
server *http.Server
makeListener func() (net.Listener, error)
once sync.Once
}
// New returns a BackgroundRoutine that serves the given server on the given listener.
func New(listener net.Listener, httpServer *http.Server) goroutine.BackgroundRoutine {
return &server{
server: httpServer,
makeListener: func() (net.Listener, error) { return listener, nil },
}
}
// New returns a BackgroundRoutine that serves the given handler on the given address.
func NewFromAddr(addr string, httpServer *http.Server) goroutine.BackgroundRoutine {
return &server{
server: httpServer,
makeListener: func() (net.Listener, error) { return NewListener(addr) },
}
}
func (s *server) Start() {
listener, err := s.makeListener()
if err != nil {
log15.Error("Failed to create listener", "error", err)
os.Exit(1)
}
if err := s.server.Serve(listener); err != http.ErrServerClosed {
log15.Error("Failed to start server", "error", err)
os.Exit(1)
}
}
func (s *server) Stop() {
s.once.Do(func() {
if err := s.server.Shutdown(context.Background()); err != nil {
log15.Error("Failed to shutdown server", "error", err)
}
})
}