Split the handler up

1 files changed, 79 insertions, 0 deletions

diff --git a/forged/internal/incoming/web/server.go b/forged/internal/incoming/web/server.go
new file mode 100644
index 0000000..e1afcc2
--- /dev/null
+++ b/forged/internal/incoming/web/server.go
@@ -0,0 +1,79 @@
+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 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(ctx, 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")
+}