Added graceful shutdown

This commit is contained in:
2024-03-12 22:31:45 +01:00
parent b3c73282b3
commit 4b6cb6c34f
8 changed files with 116 additions and 31 deletions

View File

@ -1,48 +1,51 @@
package server
import (
"context"
"fmt"
"io"
"log"
"net"
"net/http"
"os"
"os/signal"
"syscall"
"git.akyoto.dev/go/router"
)
// Server represents a single web service.
type Server struct {
router *router.Router[Handler]
Router *router.Router[Handler]
Config Configuration
}
// New creates a new server.
func New() *Server {
return &Server{
router: router.New[Handler](),
Router: router.New[Handler](),
Config: defaultConfig(),
}
}
// Get registers your function to be called when the given GET path has been requested.
func (server *Server) Get(path string, handler Handler) {
server.router.Add(http.MethodGet, path, handler)
server.Router.Add(http.MethodGet, path, handler)
}
// Post registers your function to be called when the given POST path has been requested.
func (server *Server) Post(path string, handler Handler) {
server.router.Add(http.MethodPost, path, handler)
server.Router.Add(http.MethodPost, path, handler)
}
// Delete registers your function to be called when the given DELETE path has been requested.
func (server *Server) Delete(path string, handler Handler) {
server.router.Add(http.MethodDelete, path, handler)
server.Router.Add(http.MethodDelete, path, handler)
}
// Put registers your function to be called when the given PUT path has been requested.
func (server *Server) Put(path string, handler Handler) {
server.router.Add(http.MethodPut, path, handler)
}
// Router returns the router used by the server.
func (server *Server) Router() *router.Router[Handler] {
return server.router
server.Router.Add(http.MethodPut, path, handler)
}
// ServeHTTP responds to the given request.
@ -50,7 +53,7 @@ func (server *Server) ServeHTTP(response http.ResponseWriter, request *http.Requ
ctx := newContext(request, response)
defer contextPool.Put(ctx)
handler := server.router.LookupNoAlloc(request.Method, request.URL.Path, ctx.addParameter)
handler := server.Router.LookupNoAlloc(request.Method, request.URL.Path, ctx.addParameter)
if handler == nil {
response.WriteHeader(http.StatusNotFound)
@ -65,3 +68,33 @@ func (server *Server) ServeHTTP(response http.ResponseWriter, request *http.Requ
log.Println(request.URL, err)
}
}
// Run starts the server on the given address.
func (server *Server) Run(address string) {
srv := &http.Server{
Addr: address,
Handler: server,
ReadTimeout: server.Config.Timeout.Read,
WriteTimeout: server.Config.Timeout.Write,
IdleTimeout: server.Config.Timeout.Idle,
ReadHeaderTimeout: server.Config.Timeout.ReadHeader,
}
listener, err := net.Listen("tcp", address)
if err != nil {
fmt.Println(err)
return
}
go srv.Serve(listener)
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
<-stop
ctx, cancel := context.WithTimeout(context.Background(), server.Config.Timeout.Shutdown)
defer cancel()
srv.Shutdown(ctx)
}