feat(core): 初步添加IPv6支持和优化功能

- 在CloudflareOptimizer中添加IPv6优化功能，支持同时进行IPv4和IPv6的优选。
- 更新UIManager，增加IPv6支持选项，并实现用户切换功能。
- 在下载线程中检查IPv6支持状态，并根据设置决定是否禁用IPv6。
- 在IP优化器中实现获取最优IPv6地址的功能，优化测速参数设置。
- 改进用户提示信息，确保用户了解IPv6优选的时间和效果。

source/core/cloudflare_optimizer.py

@@ -21,11 +21,13 @@ class CloudflareOptimizer:
         self.main_window = main_window
         self.hosts_manager = hosts_manager
         self.optimized_ip = None
+        self.optimized_ipv6 = None
         self.optimization_done = False  # 标记是否已执行过优选
         self.countdown_finished = False # 标记倒计时是否结束
         self.optimizing_msg_box = None
         self.optimization_cancelled = False
         self.ip_optimizer_thread = None
+        self.ipv6_optimizer_thread = None
         
     def is_optimization_done(self):
         """检查是否已完成优化
@@ -51,6 +53,14 @@ class CloudflareOptimizer:
         """
         return self.optimized_ip
         
+    def get_optimized_ipv6(self):
+        """获取优选的IPv6地址
+        
+        Returns:
+            str: 优选的IPv6地址，如果未优选则为None
+        """
+        return self.optimized_ipv6
+
     def start_ip_optimization(self, url):
         """开始IP优化过程
         
@@ -61,10 +71,55 @@ class CloudflareOptimizer:
         self.optimization_cancelled = False
         self.countdown_finished = False
         
+        # 检查是否启用了IPv6
+        use_ipv6 = False
+        if hasattr(self.main_window, 'config'):
+            use_ipv6 = self.main_window.config.get("ipv6_enabled", False)
+        
+        # 如果启用了IPv6，显示警告消息
+        if use_ipv6:
+            ipv6_warning = QtWidgets.QMessageBox(self.main_window)
+            ipv6_warning.setWindowTitle(f"IPv6优选警告 - {self.main_window.APP_NAME}")
+            ipv6_warning.setText("\nIPv6优选比IPv4耗时更长且感知不强（预计耗时10分钟以上），不建议使用。\n\n确定要同时执行IPv6优选吗？\n")
+            ipv6_warning.setIcon(QtWidgets.QMessageBox.Icon.Warning)
+            
+            # 设置图标
+            icon_path = resource_path(os.path.join("IMG", "ICO", "icon.png"))
+            if os.path.exists(icon_path):
+                pixmap = QPixmap(icon_path)
+                if not pixmap.isNull():
+                    ipv6_warning.setWindowIcon(QIcon(pixmap))
+            
+            yes_button = ipv6_warning.addButton("是", QtWidgets.QMessageBox.ButtonRole.YesRole)
+            no_button = ipv6_warning.addButton("否，仅使用IPv4", QtWidgets.QMessageBox.ButtonRole.NoRole)
+            cancel_button = ipv6_warning.addButton("取消优选", QtWidgets.QMessageBox.ButtonRole.RejectRole)
+            
+            ipv6_warning.setDefaultButton(no_button)
+            ipv6_warning.exec()
+            
+            if ipv6_warning.clickedButton() == cancel_button:
+                # 用户取消了优选
+                self.optimization_cancelled = True
+                return
+                
+            # 根据用户选择调整IPv6设置
+            if ipv6_warning.clickedButton() == no_button:
+                use_ipv6 = False
+                # 临时覆盖配置（不保存到文件）
+                if hasattr(self.main_window, 'config'):
+                    self.main_window.config["ipv6_enabled"] = False
+        
+        # 准备提示信息
+        optimization_msg = "\n正在优选Cloudflare IP，请稍候...\n\n"
+        if use_ipv6:
+            optimization_msg += "已启用IPv6支持，同时进行IPv4和IPv6优选。\n这可能需要10分钟以上，请耐心等待喵~\n"
+        else:
+            optimization_msg += "这可能需要5-10分钟，请耐心等待喵~\n"
+            
         # 使用Cloudflare图标创建消息框
         self.optimizing_msg_box = msgbox_frame(
             f"通知 - {self.main_window.APP_NAME}",
-            "\n正在优选Cloudflare IP，请稍候...\n\n这可能需要5-10分钟，请耐心等待喵~"
+            optimization_msg
         )
         # 设置Cloudflare图标
         cf_icon_path = resource_path("IMG/ICO/cloudflare_logo_icon.ico")
@@ -82,7 +137,16 @@ class CloudflareOptimizer:
         
         # 创建并启动优化线程
         self.ip_optimizer_thread = IpOptimizerThread(url)
-        self.ip_optimizer_thread.finished.connect(self.on_optimization_finished)
+        self.ip_optimizer_thread.finished.connect(self.on_ipv4_optimization_finished)
+        
+        # 如果启用IPv6，同时启动IPv6优化线程
+        if use_ipv6:
+            print("IPv6已启用，将同时优选IPv6地址")
+            self.ipv6_optimizer_thread = IpOptimizerThread(url, use_ipv6=True)
+            self.ipv6_optimizer_thread.finished.connect(self.on_ipv6_optimization_finished)
+            self.ipv6_optimizer_thread.start()
+            
+        # 启动IPv4优化线程
         self.ip_optimizer_thread.start()
         
         # 显示消息框（非模态，不阻塞）
@@ -102,6 +166,9 @@ class CloudflareOptimizer:
             if hasattr(self, 'ip_optimizer_thread') and self.ip_optimizer_thread and self.ip_optimizer_thread.isRunning():
                 self.ip_optimizer_thread.stop()
                 
+            if hasattr(self, 'ipv6_optimizer_thread') and self.ipv6_optimizer_thread and self.ipv6_optimizer_thread.isRunning():
+                self.ipv6_optimizer_thread.stop()
+                
             # 恢复主窗口状态
             self.main_window.setEnabled(True)
             self.main_window.ui.start_install_text.setText("开始安装")
@@ -113,8 +180,8 @@ class CloudflareOptimizer:
                 "\n已取消IP优选和安装过程。\n"
             )
             
-    def on_optimization_finished(self, ip):
+    def on_ipv4_optimization_finished(self, ip):
-        """IP优化完成后的处理
+        """IPv4优化完成后的处理
         
         Args:
             ip: 优选的IP地址，如果失败则为空字符串
@@ -124,6 +191,14 @@ class CloudflareOptimizer:
             return
             
         self.optimized_ip = ip
+        print(f"IPv4优选完成，结果: {ip if ip else '未找到合适的IP'}")
+        
+        # 检查是否还有IPv6优化正在运行
+        if hasattr(self, 'ipv6_optimizer_thread') and self.ipv6_optimizer_thread and self.ipv6_optimizer_thread.isRunning():
+            print("等待IPv6优选完成...")
+            return
+        
+        # 所有优选都已完成，继续处理
         self.optimization_done = True
         self.countdown_finished = False  # 确保倒计时标志重置
         
@@ -133,14 +208,69 @@ class CloudflareOptimizer:
                 self.optimizing_msg_box.accept()
             self.optimizing_msg_box = None
         
-        # 显示优选结果
+        # 处理优选结果
-        if not ip:
+        self._process_optimization_results()
+            
+    def on_ipv6_optimization_finished(self, ipv6):
+        """IPv6优化完成后的处理
+        
+        Args:
+            ipv6: 优选的IPv6地址，如果失败则为空字符串
+        """
+        # 如果已经取消，则不继续处理
+        if hasattr(self, 'optimization_cancelled') and self.optimization_cancelled:
+            return
+            
+        self.optimized_ipv6 = ipv6
+        print(f"IPv6优选完成，结果: {ipv6 if ipv6 else '未找到合适的IPv6'}")
+        
+        # 检查IPv4优化是否已完成
+        if hasattr(self, 'ip_optimizer_thread') and self.ip_optimizer_thread and self.ip_optimizer_thread.isRunning():
+            print("等待IPv4优选完成...")
+            return
+            
+        # 所有优选都已完成，继续处理
+        self.optimization_done = True
+        self.countdown_finished = False  # 确保倒计时标志重置
+        
+        # 关闭提示框
+        if hasattr(self, 'optimizing_msg_box') and self.optimizing_msg_box:
+            if self.optimizing_msg_box.isVisible():
+                self.optimizing_msg_box.accept()
+            self.optimizing_msg_box = None
+        
+        # 处理优选结果
+        self._process_optimization_results()
+    
+    def _process_optimization_results(self):
+        """处理优选的IP结果，显示相应提示"""
+        use_ipv6 = False
+        if hasattr(self.main_window, 'config'):
+            use_ipv6 = self.main_window.config.get("ipv6_enabled", False)
+            
+        # 判断优选结果
+        ipv4_success = bool(self.optimized_ip)
+        ipv6_success = bool(self.optimized_ipv6) if use_ipv6 else False
+        
         # 临时启用窗口以显示对话框
         self.main_window.setEnabled(True)
         
+        hostname = urlparse(self.main_window.current_url).hostname if hasattr(self.main_window, 'current_url') else None
+        
+        if not ipv4_success and (not use_ipv6 or not ipv6_success):
+            # 两种IP都没有优选成功
             msg_box = QtWidgets.QMessageBox(self.main_window)
             msg_box.setWindowTitle(f"优选失败 - {self.main_window.APP_NAME}")
-            msg_box.setText("\n未能找到合适的Cloudflare IP，将使用默认网络进行下载。\n\n10秒后自动继续...")
+            
+            fail_message = "\n未能找到合适的Cloudflare "
+            if use_ipv6:
+                fail_message += "IPv4和IPv6地址"
+            else:
+                fail_message += "IP地址"
+                
+            fail_message += "，将使用默认网络进行下载。\n\n10秒后自动继续..."
+            
+            msg_box.setText(fail_message)
             msg_box.setIcon(QtWidgets.QMessageBox.Icon.Warning)
             ok_button = msg_box.addButton("确定 (10)", QtWidgets.QMessageBox.ButtonRole.AcceptRole)
             cancel_button = msg_box.addButton("取消安装", QtWidgets.QMessageBox.ButtonRole.RejectRole)
@@ -180,20 +310,32 @@ class CloudflareOptimizer:
             self.countdown_finished = True
             return True
         else:
-            # 应用优选IP到hosts文件
+            # 至少有一种IP优选成功
-            hostname = urlparse(self.main_window.current_url).hostname if hasattr(self.main_window, 'current_url') else None
+            success_message = ""
+            if ipv4_success:
+                success_message += f"IPv4: {self.optimized_ip}\n"
+                
+            if ipv6_success:
+                success_message += f"IPv6: {self.optimized_ipv6}\n"
                 
             if hostname:
                 # 先清理可能存在的旧记录
                 self.hosts_manager.clean_hostname_entries(hostname)
                 
-                # 临时启用窗口以显示对话框
+                success = False
-                self.main_window.setEnabled(True)
                 
-                if self.hosts_manager.apply_ip(hostname, ip):
+                # 应用优选IP到hosts文件
+                if ipv4_success:
+                    success = self.hosts_manager.apply_ip(hostname, self.optimized_ip) or success
+                    
+                # 如果启用IPv6并且找到了IPv6地址，也应用到hosts
+                if ipv6_success:
+                    success = self.hosts_manager.apply_ip(hostname, self.optimized_ipv6) or success
+                
+                if success:
                     msg_box = QtWidgets.QMessageBox(self.main_window)
                     msg_box.setWindowTitle(f"成功 - {self.main_window.APP_NAME}")
-                    msg_box.setText(f"\n已将优选IP ({ip}) 应用到hosts文件。\n\n10秒后自动继续...")
+                    msg_box.setText(f"\n已将优选IP应用到hosts文件：\n{success_message}\n10秒后自动继续...")
                     msg_box.setIcon(QtWidgets.QMessageBox.Icon.Information)
                     ok_button = msg_box.addButton("确定 (10)", QtWidgets.QMessageBox.ButtonRole.AcceptRole)
                     cancel_button = msg_box.addButton("取消安装", QtWidgets.QMessageBox.ButtonRole.RejectRole)
@@ -248,6 +390,11 @@ class CloudflareOptimizer:
         if hasattr(self, 'ip_optimizer_thread') and self.ip_optimizer_thread and self.ip_optimizer_thread.isRunning():
             self.ip_optimizer_thread.stop()
             self.ip_optimizer_thread.wait()
+            
+        if hasattr(self, 'ipv6_optimizer_thread') and self.ipv6_optimizer_thread and self.ipv6_optimizer_thread.isRunning():
+            self.ipv6_optimizer_thread.stop()
+            self.ipv6_optimizer_thread.wait()
+            
         if hasattr(self, 'optimizing_msg_box') and self.optimizing_msg_box:
             if self.optimizing_msg_box.isVisible():
                 self.optimizing_msg_box.accept()

source/core/ui_manager.py

@@ -279,6 +279,21 @@ class UIManager:
         self.hosts_submenu.setFont(menu_font)
         self.hosts_submenu.setStyleSheet(menu_style)
         
+        # 添加IPv6支持选项
+        self.ipv6_action = QAction("启用IPv6支持", self.main_window, checkable=True)
+        self.ipv6_action.setFont(menu_font)
+        
+        # 检查配置中是否已启用IPv6
+        config = getattr(self.main_window, 'config', {})
+        ipv6_enabled = False
+        if isinstance(config, dict):
+            ipv6_enabled = config.get("ipv6_enabled", False)
+        
+        self.ipv6_action.setChecked(ipv6_enabled)
+        
+        # 连接IPv6支持切换事件
+        self.ipv6_action.triggered.connect(self.toggle_ipv6_support)
+        
         # 添加hosts子选项
         self.restore_hosts_action = QAction("还原软件备份的hosts文件", self.main_window)
         self.restore_hosts_action.setFont(menu_font)
@@ -350,6 +365,7 @@ class UIManager:
         # 添加Debug子菜单到开发者选项菜单
         self.dev_menu.addMenu(self.debug_submenu)
         self.dev_menu.addMenu(self.hosts_submenu) # 添加hosts文件选项子菜单
+        self.dev_menu.addAction(self.ipv6_action)  # 添加IPv6支持选项
 
     def show_menu(self, menu, button):
         """显示菜单
@@ -539,6 +555,53 @@ class UIManager:
             )
             msg_box.exec()
             
+    def toggle_ipv6_support(self, enabled):
+        """切换IPv6支持
+        
+        Args:
+            enabled: 是否启用IPv6支持
+        """
+        print(f"Toggle IPv6 support: {enabled}")
+        
+        # 如果用户尝试启用IPv6，检查系统是否支持IPv6
+        if enabled:
+            # 检查是否可以访问IPv6
+            import socket
+            ipv6_supported = False
+            
+            try:
+                # 尝试创建一个IPv6套接字
+                socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+                ipv6_supported = True
+            except Exception:
+                ipv6_supported = False
+                
+            if not ipv6_supported:
+                msg_box = msgbox_frame(
+                    f"错误 - {APP_NAME}",
+                    "\n找不到IPv6地址，您的系统可能不支持IPv6。\n",
+                    QMessageBox.StandardButton.Ok,
+                )
+                msg_box.exec()
+                
+                # 恢复复选框状态
+                self.ipv6_action.setChecked(False)
+                return
+                
+        # 保存设置到配置
+        if hasattr(self.main_window, 'config'):
+            self.main_window.config["ipv6_enabled"] = enabled
+            self.main_window.save_config(self.main_window.config)
+            
+        # 显示设置已保存的消息
+        status = "启用" if enabled else "禁用"
+        msg_box = msgbox_frame(
+            f"IPv6设置 - {APP_NAME}",
+            f"\nIPv6支持已{status}。新的设置将在下一次下载时生效。\n",
+            QMessageBox.StandardButton.Ok,
+        )
+        msg_box.exec()
+            
     def clean_hosts_entries(self):
         """手动删除软件添加的hosts条目"""
         if hasattr(self.main_window, 'download_manager') and hasattr(self.main_window.download_manager, 'hosts_manager'):

source/workers/download.py

@@ -178,6 +178,14 @@ class DownloadThread(QThread):
                 # 从下载管理器获取线程数设置
                 thread_count = self.parent().download_manager.get_download_thread_count()
                 
+            # 检查是否启用IPv6支持
+            ipv6_enabled = False
+            if hasattr(self.parent(), 'config'):
+                ipv6_enabled = self.parent().config.get("ipv6_enabled", False)
+                
+            # 打印IPv6状态
+            print(f"IPv6支持状态: {ipv6_enabled}")
+
             # 将所有的优化参数应用于每个下载任务
             command.extend([
                 '--dir', download_dir,
@@ -210,9 +218,15 @@ class DownloadThread(QThread):
                 '--optimize-concurrent-downloads=true',  # 优化并发下载
                 '--file-allocation=none',          # 禁用文件预分配加快开始
                 '--async-dns=true',                # 使用异步DNS
-                '--disable-ipv6=true',             # 禁用IPv6提高速度
             ])
             
+            # 根据IPv6设置决定是否禁用IPv6
+            if not ipv6_enabled:
+                command.append('--disable-ipv6=true')
+                print("已禁用IPv6支持")
+            else:
+                print("已启用IPv6支持")
+            
             # 证书验证现在总是需要，因为我们依赖hosts文件
             command.append('--check-certificate=false')
             

source/workers/ip_optimizer.py

@@ -33,12 +33,12 @@ class IpOptimizer:
             # 正确的参数设置，根据cfst帮助文档
             command = [
                 cst_path,
-                "-n", "500",     # 延迟测速线程数 (默认200)
+                "-n", "1000",     # 延迟测速线程数 (默认200)
                 "-p", "1",       # 显示结果数量 (默认10个)
                 "-url", url,     # 指定测速地址
                 "-f", ip_txt_path,   # IP文件
                 "-dd",           # 禁用下载测速，按延迟排序
-                "-o",""          # 不写入结果文件
+                "-o"," "          # 不写入结果文件
             ]
 
             creation_flags = subprocess.CREATE_NO_WINDOW if sys.platform == 'win32' else 0
@@ -145,6 +145,142 @@ class IpOptimizer:
             print(f"执行 CloudflareSpeedTest 时发生错误: {e}")
             return None
 
+    def get_optimal_ipv6(self, url: str) -> str | None:
+        """
+        使用 CloudflareSpeedTest 工具获取给定 URL 的最优 Cloudflare IPv6 地址。
+
+        Args:
+            url: 需要进行优选的下载链接。
+
+        Returns:
+            最优的 IPv6 地址字符串，如果找不到则返回 None。
+        """
+        try:
+            cst_path = resource_path("cfst.exe")
+            if not os.path.exists(cst_path):
+                print(f"错误: cfst.exe 未在资源路径中找到。")
+                return None
+
+            ipv6_txt_path = resource_path("data/ipv6.txt")
+            if not os.path.exists(ipv6_txt_path):
+                print(f"错误: ipv6.txt 未在资源路径中找到。")
+                return None
+            
+            # 正确的参数设置，根据cfst帮助文档
+            command = [
+                cst_path,
+                "-n", "1000",     # 延迟测速线程数，IPv6测试线程稍少
+                "-p", "1",       # 显示结果数量 (默认10个)
+                "-url", url,     # 指定测速地址
+                "-f", ipv6_txt_path,  # IPv6文件
+                "-dd",           # 禁用下载测速，按延迟排序
+                "-o", " "        # 不写入结果文件
+            ]
+
+            creation_flags = subprocess.CREATE_NO_WINDOW if sys.platform == 'win32' else 0
+            
+            print("--- CloudflareSpeedTest IPv6 开始执行 ---")
+            
+            self.process = subprocess.Popen(
+                command,
+                stdin=subprocess.PIPE,
+                stdout=subprocess.PIPE,
+                stderr=subprocess.STDOUT,
+                text=True,
+                encoding='utf-8',
+                errors='replace',
+                creationflags=creation_flags,
+                bufsize=0
+            )
+
+            # 更新正则表达式以匹配cfst输出中的IPv6格式
+            # IPv6格式更加复杂，可能有多种表示形式
+            ipv6_pattern = re.compile(r'^([0-9a-fA-F:]+)\s+.*')
+            
+            # 标记是否已经找到结果表头和完成标记
+            found_header = False
+            found_completion = False
+
+            stdout = self.process.stdout
+            if not stdout:
+                print("错误: 无法获取子进程的输出流。")
+                return None
+
+            optimal_ipv6 = None
+            timeout_counter = 0
+            max_timeout = 300  # 增加超时时间到5分钟
+
+            while True:
+                if self.process.poll() is not None:
+                    break
+                try:
+                    ready = True
+                    try:
+                        line = stdout.readline()
+                    except:
+                        ready = False
+                        
+                    if not ready or not line:
+                        timeout_counter += 1
+                        if timeout_counter > max_timeout:
+                            print("超时: CloudflareSpeedTest IPv6 响应超时")
+                            break
+                        time.sleep(1)
+                        continue
+                    
+                    timeout_counter = 0
+                    
+                    cleaned_line = line.strip()
+                    if cleaned_line:
+                        print(cleaned_line)
+                        
+                        # 检测结果表头
+                        if "IP 地址" in cleaned_line and "平均延迟" in cleaned_line:
+                            print("检测到IPv6结果表头，准备获取IPv6地址...")
+                            found_header = True
+                            continue
+                        
+                        # 检测完成标记
+                        if "完整测速结果已写入" in cleaned_line or "按下 回车键 或 Ctrl+C 退出" in cleaned_line:
+                            print("检测到IPv6测速完成信息")
+                            found_completion = True
+                            
+                            # 如果已经找到了IPv6，可以退出了
+                            if optimal_ipv6:
+                                break
+                        
+                        # 已找到表头后，尝试匹配IPv6地址行
+                        if found_header:
+                            match = ipv6_pattern.search(cleaned_line)
+                            if match and not optimal_ipv6:  # 只保存第一个匹配的IPv6（最优IPv6）
+                                optimal_ipv6 = match.group(1)
+                                print(f"找到最优 IPv6: {optimal_ipv6}")
+                                # 找到最优IPv6后立即退出循环，不等待完成标记
+                                break
+                            
+                except Exception as e:
+                    print(f"读取输出时发生错误: {e}")
+                    break
+            
+            # 确保完全读取输出后再发送退出信号
+            if self.process and self.process.poll() is None:
+                try:
+                    if self.process.stdin and not self.process.stdin.closed:
+                        print("发送退出信号...")
+                        self.process.stdin.write('\n')
+                        self.process.stdin.flush()
+                except:
+                    pass
+            
+            self.stop()
+            
+            print("--- CloudflareSpeedTest IPv6 执行结束 ---")
+            return optimal_ipv6
+
+        except Exception as e:
+            print(f"执行 CloudflareSpeedTest IPv6 时发生错误: {e}")
+            return None
+
     def stop(self):
         if self.process and self.process.poll() is None:
             print("正在终止 CloudflareSpeedTest 进程...")
@@ -169,12 +305,16 @@ class IpOptimizerThread(QThread):
     """用于在后台线程中运行IP优化的类"""
     finished = Signal(str)
 
-    def __init__(self, url, parent=None):
+    def __init__(self, url, parent=None, use_ipv6=False):
         super().__init__(parent)
         self.url = url
         self.optimizer = IpOptimizer()
+        self.use_ipv6 = use_ipv6
 
     def run(self):
+        if self.use_ipv6:
+            optimal_ip = self.optimizer.get_optimal_ipv6(self.url)
+        else:
             optimal_ip = self.optimizer.get_optimal_ip(self.url)
         self.finished.emit(optimal_ip if optimal_ip else "")