/
server.go
121 lines (101 loc) · 2.57 KB
/
server.go
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package http
import (
"context"
"fmt"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/sirupsen/logrus"
)
type ServerOption func(o *Server)
type Server struct {
*http.Server
Logger *logrus.Entry
app string
prometheusEnableHandlingTimeHistogram bool
}
// Address with server address.
func Address(addr string) ServerOption {
return func(s *Server) {
s.Server.Addr = addr
}
}
// Timeout with server timeout.
func ReadTimeout(timeout time.Duration) ServerOption {
return func(s *Server) {
s.Server.ReadTimeout = timeout
}
}
func Logger(logger *logrus.Entry) ServerOption {
return func(s *Server) {
s.Logger = logger
}
}
func (s *Server) healthCheck() {
}
func Prometheus(enableHandlingTimeHistogram bool) ServerOption {
return func(s *Server) {
s.prometheusEnableHandlingTimeHistogram = enableHandlingTimeHistogram
}
}
func NewServer(app string, opts ...ServerOption) *Server {
srv := &Server{
app: app,
Server: &http.Server{},
Logger: defaultLogger().WithFields(logrus.Fields{"app": app}),
}
for _, o := range opts {
o(srv)
}
return srv
}
func (s *Server) Run() error {
if s.prometheusEnableHandlingTimeHistogram {
}
go func() {
s.handleHTTPServerSignals()
}()
s.Logger.Infof("http server listening on: %s", s.Server.Addr)
return s.Server.ListenAndServe()
}
// Stop stop the http server.
func (s *Server) Stop() error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
s.Shutdown(ctx)
s.Logger.Info("http server stopping")
return nil
}
func (s *Server) SetHandler(handler http.Handler) {
s.Handler = handler
}
func (s *Server) handleHTTPServerSignals() {
signalCh := make(chan os.Signal, 1)
signal.Notify(signalCh, syscall.SIGUSR1, syscall.SIGUSR2, syscall.SIGHUP, syscall.SIGTERM, syscall.SIGQUIT, os.Interrupt) // stop process
s.Logger.Info("listen http quit signal ...")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
select {
case signal := <-signalCh:
switch signal {
case syscall.SIGUSR1, syscall.SIGUSR2, syscall.SIGHUP, syscall.SIGTERM, syscall.SIGQUIT, os.Interrupt:
s.Logger.Infof("stopping http process on %s signal", fmt.Sprintf("%s", signal))
if err := s.Shutdown(ctx); err != nil {
s.Logger.Errorf(fmt.Sprintf("quit http process error|error:%s", err.Error()))
os.Exit(1)
}
s.Logger.Infof(fmt.Sprintf("quit http process success"))
os.Exit(1)
default:
os.Exit(1)
}
}
}
func defaultLogger() (logger *logrus.Logger) {
logger = logrus.New()
logger.Out = os.Stdout
logger.Formatter = &logrus.JSONFormatter{}
return
}