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package web
import (
"context"
"errors"
"fmt"
"net"
"net/http"
"time"
"go.lindenii.runxiyu.org/forge/forged/internal/common/misc"
)
type Server struct {
net string
addr string
root string
httpServer *http.Server
shutdownTimeout uint32
}
type handler struct{}
func (h *handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
}
type Config struct {
Net string `scfg:"net"`
Addr string `scfg:"addr"`
Root string `scfg:"root"`
CookieExpiry int `scfg:"cookie_expiry"`
ReadTimeout uint32 `scfg:"read_timeout"`
WriteTimeout uint32 `scfg:"write_timeout"`
IdleTimeout uint32 `scfg:"idle_timeout"`
MaxHeaderBytes int `scfg:"max_header_bytes"`
ReverseProxy bool `scfg:"reverse_proxy"`
ShutdownTimeout uint32 `scfg:"shutdown_timeout"`
}
func New(config Config) (server *Server) {
httpServer := &http.Server{
Handler: &handler{},
ReadTimeout: time.Duration(config.ReadTimeout) * time.Second,
WriteTimeout: time.Duration(config.WriteTimeout) * time.Second,
IdleTimeout: time.Duration(config.IdleTimeout) * time.Second,
MaxHeaderBytes: config.MaxHeaderBytes,
} //exhaustruct:ignore
return &Server{
net: config.Net,
addr: config.Addr,
root: config.Root,
shutdownTimeout: config.ShutdownTimeout,
httpServer: httpServer,
}
}
func (server *Server) Run(ctx context.Context) (err error) {
server.httpServer.BaseContext = func(_ net.Listener) context.Context { return ctx }
listener, err := misc.Listen(server.net, server.addr)
if err != nil {
return fmt.Errorf("listen for web: %w", err)
}
defer func() {
_ = listener.Close()
}()
stop := context.AfterFunc(ctx, func() {
shCtx, cancel := context.WithTimeout(context.WithoutCancel(ctx), time.Duration(server.shutdownTimeout)*time.Second)
defer cancel()
_ = server.httpServer.Shutdown(shCtx)
_ = listener.Close()
})
defer stop()
err = server.httpServer.Serve(listener)
if err != nil {
if errors.Is(err, http.ErrServerClosed) || ctx.Err() != nil {
return nil
}
return fmt.Errorf("serve web: %w", err)
}
panic("unreachable")
}
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