init

examples/wildcard_dns_proxy/main.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/darkit/goproxy"
+	"github.com/darkit/goproxy/pkg/dns"
+)
+
+// WildcardDNSDelegate 通配符 DNS 代理委托
+type WildcardDNSDelegate struct {
+	goproxy.DefaultDelegate
+	dnsResolver *dns.WildcardResolver
+}
+
+// ResolveBackend 解析后端服务器
+func (d *WildcardDNSDelegate) ResolveBackend(req *http.Request) (string, error) {
+	return d.dnsResolver.Resolve(req.URL.Host)
+}
+
+func main() {
+	// 创建 DNS 解析器
+	resolver := dns.NewWildcardResolver(map[string]string{
+		"*.example.com": "http://backend.example.com",
+		"*.test.com":    "http://backend.test.com",
+	})
+
+	// 创建通配符 DNS 代理委托
+	delegate := &WildcardDNSDelegate{
+		dnsResolver: resolver,
+	}
+
+	// 创建代理实例
+	proxy := goproxy.NewProxy(
+		goproxy.WithDelegate(delegate),
+	)
+
+	// 启动代理服务器
+	log.Println("通配符 DNS 代理服务器启动在 :8080")
+	log.Println("DNS 配置:")
+	log.Printf("- *.example.com -> backend.example.com\n")
+	log.Printf("- *.test.com -> backend.test.com\n")
+	if err := http.ListenAndServe(":8080", proxy); err != nil {
+		log.Fatalf("代理服务器启动失败: %v", err)
+	}
+}