From 75aa6ae647b8fdaea38fcdfd972aa3d99323fc1c Mon Sep 17 00:00:00 2001
From: yanweidong <david.yan@qq.com>
Date: Tue, 23 Sep 2025 13:09:27 +0800
Subject: [PATCH] dev

---
 service/address.go | 206 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 206 insertions(+)
 create mode 100644 service/address.go

diff --git a/service/address.go b/service/address.go
new file mode 100644
index 0000000..57d8e81
--- /dev/null
+++ b/service/address.go
@@ -0,0 +1,206 @@
+package service
+
+import (
+	"fmt"
+	"net"
+	"net/url"
+	"strings"
+)
+
+type NetworkAddress struct {
+	Protocol string // tcp, tcp4, tcp6, unix, unixpacket
+	Host     string // IP 地址或主机名
+	Port     string // 端口号
+	Path     string // Unix socket 路径
+	Raw      string // 原始字符串
+}
+
+// 解析网络地址字符串
+// "tcp://0.0.0.0:1212",
+//
+//	"tcp4://127.0.0.1:8080",
+//	"tcp6://[::1]:8080",
+//	"unix:///data/app/passport.sock",
+//	"unixpacket:///tmp/mysql.sock",
+//	":8080",                    // 传统格式
+//	"/tmp/server.sock",         // 传统Unix格式
+//	"invalid://address",        // 错误格式
+func ParseNetworkAddress(addr string) (*NetworkAddress, error) {
+	// 如果包含 ://，按 URL 解析
+	if strings.Contains(addr, "://") {
+		return parseURLStyle(addr)
+	}
+
+	// 否则按传统格式解析
+	return parseTraditionalStyle(addr)
+}
+
+// 解析 tcp://0.0.0.0:1212 或 unix:///path/to/socket 格式
+func parseURLStyle(addr string) (*NetworkAddress, error) {
+	u, err := url.Parse(addr)
+	if err != nil {
+		return nil, fmt.Errorf("解析URL失败: %w", err)
+	}
+
+	result := &NetworkAddress{
+		Protocol: u.Scheme,
+		Raw:      addr,
+	}
+
+	switch u.Scheme {
+	case "tcp", "tcp4", "tcp6":
+		return parseTCPURL(u, result)
+	case "unix", "unixpacket":
+		return parseUnixURL(u, result)
+	default:
+		return nil, fmt.Errorf("不支持的协议: %s", u.Scheme)
+	}
+}
+
+// 解析 TCP 类型的 URL
+func parseTCPURL(u *url.URL, result *NetworkAddress) (*NetworkAddress, error) {
+	host, port, err := net.SplitHostPort(u.Host)
+	if err != nil {
+		// 如果没有端口，尝试添加默认端口
+		if strings.Contains(err.Error(), "missing port") {
+			host = u.Host
+			port = "0" // 默认端口
+		} else {
+			return nil, fmt.Errorf("解析TCP地址失败: %w", err)
+		}
+	}
+
+	result.Host = host
+	result.Port = port
+
+	// 根据主机地址确定具体的协议类型
+	if result.Protocol == "tcp" {
+		result.Protocol = determineTCPProtocol(host)
+	}
+
+	return result, nil
+}
+
+// 解析 Unix socket 类型的 URL
+func parseUnixURL(u *url.URL, result *NetworkAddress) (*NetworkAddress, error) {
+	// Unix socket 路径在 URL 的 Path 字段
+	if u.Path == "" {
+		return nil, fmt.Errorf("Unix socket 路径不能为空")
+	}
+
+	result.Path = u.Path
+
+	// 如果协议是 unix，但路径表明需要数据包传输，可以自动升级
+	if result.Protocol == "unix" && strings.Contains(u.Path, "packet") {
+		result.Protocol = "unixpacket"
+	}
+
+	return result, nil
+}
+
+// 根据主机地址确定 TCP 协议类型
+func determineTCPProtocol(host string) string {
+	if host == "" {
+		return "tcp" // 默认
+	}
+
+	// 解析 IP 地址
+	ip := net.ParseIP(host)
+	if ip != nil {
+		if ip.To4() != nil {
+			return "tcp4"
+		}
+		return "tcp6"
+	}
+
+	// 如果是特殊地址
+	switch host {
+	case "0.0.0.0", "127.0.0.1", "localhost":
+		return "tcp4"
+	case "::", "::1":
+		return "tcp6"
+	default:
+		return "tcp" // 默认支持双栈
+	}
+}
+
+// 解析传统格式如 ":8080", "127.0.0.1:8080", "/tmp/socket"
+func parseTraditionalStyle(addr string) (*NetworkAddress, error) {
+	result := &NetworkAddress{Raw: addr}
+
+	// 检查是否是 Unix socket（包含路径分隔符）
+	if strings.Contains(addr, "/") || strings.HasPrefix(addr, "@/") {
+		result.Protocol = "unix"
+		result.Path = addr
+		return result, nil
+	}
+
+	// 否则按 TCP 地址解析
+	result.Protocol = "tcp"
+
+	host, port, err := net.SplitHostPort(addr)
+	if err != nil {
+		return nil, fmt.Errorf("解析地址失败: %w", err)
+	}
+
+	result.Host = host
+	result.Port = port
+	result.Protocol = determineTCPProtocol(host)
+
+	return result, nil
+}
+
+// 获取网络类型用于 net.Dial 或 net.Listen
+func (na *NetworkAddress) Network() string {
+	return na.Protocol
+}
+
+// 获取地址字符串用于 net.Dial 或 net.Listen
+func (na *NetworkAddress) Address() string {
+	switch na.Protocol {
+	case "tcp", "tcp4", "tcp6":
+		if na.Port == "" {
+			return na.Host
+		}
+		return net.JoinHostPort(na.Host, na.Port)
+	case "unix", "unixpacket":
+		return na.Path
+	default:
+		return na.Raw
+	}
+}
+
+// 格式化输出
+func (na *NetworkAddress) String() string {
+	switch na.Protocol {
+	case "tcp", "tcp4", "tcp6":
+		return fmt.Sprintf("%s://%s", na.Protocol, net.JoinHostPort(na.Host, na.Port))
+	case "unix", "unixpacket":
+		return fmt.Sprintf("%s://%s", na.Protocol, na.Path)
+	default:
+		return na.Raw
+	}
+}
+
+// 验证地址是否有效
+func (na *NetworkAddress) Validate() error {
+	switch na.Protocol {
+	case "tcp", "tcp4", "tcp6":
+		if na.Host == "" && na.Port == "" {
+			return fmt.Errorf("TCP地址需要主机和端口")
+		}
+		// 验证端口
+		if na.Port != "" {
+			if _, err := net.LookupPort("tcp", na.Port); err != nil {
+				return fmt.Errorf("无效的端口: %s", na.Port)
+			}
+		}
+	case "unix", "unixpacket":
+		if na.Path == "" {
+			return fmt.Errorf("Unix socket路径不能为空")
+		}
+	default:
+		return fmt.Errorf("不支持的协议: %s", na.Protocol)
+	}
+	return nil
+}