refactor: improve webSocket connection handling and error recovery
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@@ -39,3 +39,224 @@ export const createSockette = (
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},
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});
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};
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/**
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* 创建一个支持认证的WebSocket连接
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* 使用标准的URL参数方式添加token
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*
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* 注意:mihomo服务器对WebSocket的认证支持不佳,使用URL参数方式传递token
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*/
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export const createAuthSockette = (
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baseUrl: string,
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secret: string,
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opt: SocketteOptions,
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maxError = 10,
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) => {
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// 确保baseUrl格式正确
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let url = baseUrl;
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if (!url.startsWith("ws://") && !url.startsWith("wss://")) {
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url = `ws://${url}`;
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}
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// 重试控制
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let reconnectAttempts = 0;
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const MAX_RECONNECT = maxError;
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let reconnectTimeout: any = null;
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let ws: WebSocket | null = null;
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// 使用URL API解析和构建URL
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try {
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const urlObj = new URL(url);
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// 添加token参数(如果有secret)
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if (secret) {
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urlObj.searchParams.delete("token");
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urlObj.searchParams.append("token", secret);
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}
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url = urlObj.toString();
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console.log(`[WebSocket] 创建连接: ${url.replace(secret || "", "***")}`);
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} catch (e) {
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console.error(`[WebSocket] URL格式错误: ${url}`, e);
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if (opt.onerror) {
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// 使用任意类型避免类型错误
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const anyOpt = opt as any;
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anyOpt.onerror(
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new ErrorEvent("error", { message: `URL格式错误: ${e}` } as any),
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);
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}
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return createDummySocket();
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}
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function connect() {
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try {
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ws = new WebSocket(url);
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ws.onopen = function (event) {
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console.log(
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`[WebSocket] 连接成功: ${url.replace(secret || "", "***")}`,
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);
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reconnectAttempts = 0; // 重置重连计数
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if (opt.onopen) {
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// 使用任意类型避免类型错误
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const anyOpt = opt as any;
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anyOpt.onopen(event);
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}
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};
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ws.onmessage = function (event) {
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if (opt.onmessage) {
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// 使用任意类型避免类型错误
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const anyOpt = opt as any;
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anyOpt.onmessage(event);
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}
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};
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ws.onerror = function (event) {
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console.error(
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`[WebSocket] 连接错误: ${url.replace(secret || "", "***")}`,
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);
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// 错误处理
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if (reconnectAttempts < MAX_RECONNECT) {
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scheduleReconnect();
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} else if (opt.onerror) {
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// 使用任意类型避免类型错误
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const anyOpt = opt as any;
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anyOpt.onerror(event);
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}
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};
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ws.onclose = function (event) {
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console.log(
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`[WebSocket] 连接关闭: ${url.replace(secret || "", "***")}, 代码: ${event.code}`,
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);
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// 如果不是正常关闭(1000, 1001),尝试重连
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if (
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event.code !== 1000 &&
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event.code !== 1001 &&
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reconnectAttempts < MAX_RECONNECT
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) {
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scheduleReconnect();
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} else {
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if (opt.onclose) {
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// 使用任意类型避免类型错误
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const anyOpt = opt as any;
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anyOpt.onclose(event);
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}
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// 如果已达到最大重试次数
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if (reconnectAttempts >= MAX_RECONNECT && opt.onmaximum) {
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console.error(
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`[WebSocket] 达到最大重试次数: ${url.replace(secret || "", "***")}`,
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);
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const anyOpt = opt as any;
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anyOpt.onmaximum(event);
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}
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}
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};
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} catch (error) {
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console.error(`[WebSocket] 创建连接失败:`, error);
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if (opt.onerror) {
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// 使用任意类型避免类型错误
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const anyOpt = opt as any;
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anyOpt.onerror(
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new ErrorEvent("error", { message: `创建连接失败: ${error}` } as any),
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);
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}
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}
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}
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function scheduleReconnect() {
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if (reconnectTimeout) {
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clearTimeout(reconnectTimeout);
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}
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reconnectAttempts++;
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const delay = Math.min(1000 * Math.pow(1.5, reconnectAttempts), 10000); // 指数退避,最大10秒
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console.log(
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`[WebSocket] 计划重连 (${reconnectAttempts}/${MAX_RECONNECT}) 延迟: ${delay}ms`,
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);
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reconnectTimeout = setTimeout(() => {
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console.log(
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`[WebSocket] 尝试重连 (${reconnectAttempts}/${MAX_RECONNECT})`,
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);
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cleanup();
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connect();
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}, delay);
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}
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function cleanup() {
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if (ws) {
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// 移除所有事件监听器
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ws.onopen = null;
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ws.onmessage = null;
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ws.onerror = null;
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ws.onclose = null;
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// 如果连接仍然打开,关闭它
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if (
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ws.readyState === WebSocket.OPEN ||
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ws.readyState === WebSocket.CONNECTING
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) {
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try {
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ws.close();
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} catch (e) {
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console.error("[WebSocket] 关闭连接时出错:", e);
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}
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}
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ws = null;
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}
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// 清除重连计时器
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if (reconnectTimeout) {
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clearTimeout(reconnectTimeout);
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reconnectTimeout = null;
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}
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}
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// 创建一个类似Sockette的接口对象
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const socketLike = {
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ws,
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close: () => {
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console.log(
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`[WebSocket] 手动关闭连接: ${url.replace(secret || "", "***")}`,
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);
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cleanup();
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},
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reconnect: () => {
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cleanup();
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connect();
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},
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json: (data: any) => {
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if (ws && ws.readyState === WebSocket.OPEN) {
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ws.send(JSON.stringify(data));
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}
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},
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send: (data: string) => {
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if (ws && ws.readyState === WebSocket.OPEN) {
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ws.send(data);
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}
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},
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open: connect,
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};
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// 立即连接
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connect();
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return socketLike;
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};
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// 创建一个空的WebSocket对象
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function createDummySocket() {
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return {
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close: () => {},
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reconnect: () => {},
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json: () => {},
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send: () => {},
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open: () => {},
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};
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}
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