269 lines
11 KiB
Python
269 lines
11 KiB
Python
import threading
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import tkinter as tk
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from tkinter import filedialog, messagebox, ttk
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from core.Function.dns_diag_fun import ALL_ADAPTERS, DEFAULT_DOMAINS, DEFAULT_RECORD_TYPES, DnsDiagnostic
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from core.ui.components import Page, action_bar, button, combo, field
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class DnsTab(Page):
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def __init__(self, parent, console):
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super().__init__(parent, "DNS 诊断", "对比本机 DNS 与常用 DNS 的解析结果、耗时和失败原因。")
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self.console = console
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self.body.rowconfigure(2, weight=1)
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status = self.section("实时状态", 0, columns=7)
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self.state = field(status, "状态", 1, 0, "等待", 10)
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self.current_dns = field(status, "当前 DNS", 1, 1, "-", 18, colspan=2)
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self.target_total = field(status, "目标数", 1, 3, "0", 8)
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self.progress = field(status, "进度", 1, 4, "0/0", 10)
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self.abnormal = field(status, "异常数", 1, 5, "0", 8)
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self.elapsed = field(status, "耗时", 1, 6, "0.0s", 10)
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for item in (self.state, self.current_dns, self.target_total, self.progress, self.abnormal, self.elapsed):
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item["entry"].configure(state="disabled")
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params = self.section("诊断参数", 1, columns=6)
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self.adapter = combo(params, "检测网卡", 1, 0, [ALL_ADAPTERS], ALL_ADAPTERS, 22)
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self.domains = field(params, "目标域名", 1, 1, DEFAULT_DOMAINS, 34, colspan=2)
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self.record_types = field(params, "记录类型", 1, 3, DEFAULT_RECORD_TYPES, 18)
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self.timeout = field(params, "超时 ms", 1, 4, "2000", 10)
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self.repeat_count = field(params, "重复次数", 1, 5, "1", 10)
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self.dns_servers = field(params, "DNS 服务器", 2, 0, "", 60, colspan=6)
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actions = action_bar(params, 3, 6)
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self.start_btn = button(actions, "开始诊断", self.start_diagnosis, "Primary.TButton")
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self.stop_btn = button(actions, "停止", self.stop_diagnosis, "Danger.TButton")
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self.refresh_btn = button(actions, "刷新网卡", self.load_adapters, "Secondary.TButton")
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self.auto_dns_btn = button(actions, "自动 DNS", self.fill_default_dns, "Secondary.TButton")
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self.repair_btn = button(actions, "修复异常", self.repair_dns, "Secondary.TButton")
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secondary_actions = action_bar(params, 4, 6)
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self.copy_btn = button(secondary_actions, "复制摘要", self.copy_summary, "Secondary.TButton")
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self.export_btn = button(secondary_actions, "导出 CSV", self.export_results, "Secondary.TButton")
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results = self.section("诊断结果", 2, columns=1)
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results.rowconfigure(1, weight=1)
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results.columnconfigure(0, weight=1)
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self.results_tree = ttk.Treeview(
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results,
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columns=("domain", "type", "server", "status", "elapsed", "values", "verdict"),
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show="headings",
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height=10,
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)
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headings = {
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"domain": "域名",
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"type": "类型",
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"server": "DNS 服务器",
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"status": "状态",
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"elapsed": "耗时",
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"values": "解析结果",
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"verdict": "错误 / 判断",
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}
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widths = {
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"domain": 135,
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"type": 55,
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"server": 115,
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"status": 65,
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"elapsed": 78,
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"values": 250,
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"verdict": 130,
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}
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for column, title in headings.items():
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self.results_tree.heading(column, text=title)
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self.results_tree.column(column, width=widths[column], minwidth=widths[column], anchor="w", stretch=False)
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self.results_tree.tag_configure("正常", foreground="#15803d")
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self.results_tree.tag_configure("无记录", foreground="#b7791f")
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self.results_tree.tag_configure("失败", foreground="#dc2626")
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self.results_tree.grid(row=1, column=0, sticky="nsew", padx=18, pady=(0, 18))
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result_scroll = ttk.Scrollbar(
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results,
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orient="vertical",
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command=self.results_tree.yview,
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style="Modern.Vertical.TScrollbar",
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)
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result_scroll.grid(row=1, column=1, sticky="ns", pady=(0, 18), padx=(0, 18))
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self.results_tree.configure(yscrollcommand=result_scroll.set)
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self.diagnostic = DnsDiagnostic(self.write, self.on_task_done, self.update_status, self.add_result)
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self.after(350, self.load_adapters)
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def write(self, text, tag=None):
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self.console.write(text, tag)
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def clear(self):
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self.console.clear()
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for item in self.results_tree.get_children():
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self.results_tree.delete(item)
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self.update_status(
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{
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"state": "等待",
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"current_dns": "-",
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"total": 0,
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"completed": 0,
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"abnormal": 0,
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"elapsed": 0,
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}
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)
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def load_adapters(self):
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def worker():
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try:
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values, default_dns = self.diagnostic.get_adapter_choices_and_default_dns()
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except Exception as exc:
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values = [ALL_ADAPTERS]
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default_dns = ""
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self.write(f"读取网卡 DNS 失败: {exc}\n", "warning")
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self.after(0, lambda: self.apply_adapters(values, default_dns))
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threading.Thread(target=worker, daemon=True).start()
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def apply_adapters(self, values, default_dns):
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values = values or [ALL_ADAPTERS]
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values = list(dict.fromkeys(values))
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self.adapter["combobox"]["values"] = values
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if self.adapter["var"].get() not in values:
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self.adapter["var"].set(ALL_ADAPTERS)
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if not self.dns_servers["var"].get() and default_dns:
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self.dns_servers["var"].set(default_dns)
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def fill_default_dns(self):
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try:
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value = self.diagnostic.default_dns_servers(self.adapter["var"].get())
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if not value:
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messagebox.showinfo("提示", "未读取到本机 DNS，已保留常用 DNS 对比服务器")
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value = "223.5.5.5,114.114.114.114,8.8.8.8"
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self.dns_servers["var"].set(value)
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self.write(f"已生成 DNS 对比列表: {value}\n", "success")
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except Exception as exc:
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messagebox.showwarning("生成失败", str(exc))
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def start_diagnosis(self):
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try:
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self.clear()
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self.start_btn.configure(state="disabled")
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self.repair_btn.configure(state="disabled")
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self.diagnostic.start_diagnosis(self.adapter["var"].get(), self.options())
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except Exception as exc:
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self.start_btn.configure(state="normal")
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self.repair_btn.configure(state="normal")
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messagebox.showwarning("无法开始 DNS 诊断", str(exc))
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def stop_diagnosis(self):
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try:
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self.diagnostic.stop_diagnosis()
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except Exception as exc:
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messagebox.showinfo("提示", str(exc))
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def options(self):
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return {
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"domains": self.domains["var"].get(),
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"record_types": self.record_types["var"].get(),
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"dns_servers": self.dns_servers["var"].get(),
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"timeout_ms": self.timeout["var"].get(),
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"repeat_count": self.repeat_count["var"].get(),
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}
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def export_results(self):
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path = filedialog.asksaveasfilename(
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title="导出 DNS 诊断结果",
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defaultextension=".csv",
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filetypes=[("CSV 文件", "*.csv")],
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)
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if not path:
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return
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try:
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self.diagnostic.export_results(path)
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self.write(f"已导出结果: {path}\n", "success")
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except Exception as exc:
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messagebox.showwarning("导出失败", str(exc))
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def repair_dns(self):
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adapter = self.adapter["var"].get() or ALL_ADAPTERS
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if not messagebox.askyesno(
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"确认修复 DNS",
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f"将把“{adapter}”的 DNS 设置为 223.5.5.5 和 114.114.114.114，并刷新 DNS 缓存。\n\n此操作需要管理员权限，确定继续吗？",
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):
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return
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self.repair_btn.configure(state="disabled")
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self.start_btn.configure(state="disabled")
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self.write("\n开始修复 DNS 异常...\n", "warning")
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def worker():
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try:
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result = self.diagnostic.repair_abnormal_dns(adapter)
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self.after(0, lambda: self.on_repair_success(result))
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except Exception as exc:
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self.after(0, lambda: self.on_repair_failed(exc))
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threading.Thread(target=worker, daemon=True).start()
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def on_repair_success(self, result):
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names = "、".join(result.get("adapters", []))
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servers = ",".join(result.get("servers", []))
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self.write(f"DNS 修复完成: {names} -> {servers}\n", "success")
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self.dns_servers["var"].set(servers)
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self.load_adapters()
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self.start_btn.configure(state="normal")
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self.repair_btn.configure(state="normal")
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def on_repair_failed(self, exc):
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self.write(f"DNS 修复失败: {exc}\n", "error")
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self.start_btn.configure(state="normal")
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self.repair_btn.configure(state="normal")
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messagebox.showerror("DNS 修复失败", f"{exc}\n\n请确认程序已用管理员权限运行。")
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def copy_summary(self):
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text = self.diagnostic.copy_summary()
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if not text:
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messagebox.showinfo("提示", "还没有可复制的 DNS 诊断摘要")
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return
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self.clipboard_clear()
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self.clipboard_append(text)
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self.write("已复制 DNS 诊断摘要到剪贴板\n", "success")
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def update_status(self, stats):
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def apply():
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total = stats.get("total", 0)
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completed = stats.get("completed", 0)
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values = [
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(self.state, stats.get("state", "等待")),
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(self.current_dns, stats.get("current_dns") or "-"),
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(self.target_total, str(total)),
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(self.progress, f"{completed}/{total}" if total else "0/0"),
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(self.abnormal, str(stats.get("abnormal", 0))),
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(self.elapsed, f"{stats.get('elapsed', 0):.1f}s"),
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]
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for item, value in values:
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item["entry"].configure(state="normal")
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item["var"].set(value)
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item["entry"].configure(state="disabled")
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self.after(0, apply)
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def add_result(self, row):
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def apply():
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elapsed = row.get("elapsed_ms", 0)
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try:
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elapsed_text = f"{float(elapsed):.1f} ms" if float(elapsed) > 0 else ""
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except (TypeError, ValueError):
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elapsed_text = ""
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detail = row.get("error") or row.get("verdict", "")
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self.results_tree.insert(
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"",
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"end",
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values=(
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row.get("domain", ""),
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row.get("record_type", ""),
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row.get("dns_server", ""),
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row.get("status", ""),
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elapsed_text,
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row.get("values", ""),
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detail,
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),
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tags=(row.get("status", ""),),
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)
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self.after(0, apply)
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def on_task_done(self):
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self.after(0, lambda: (self.start_btn.configure(state="normal"), self.repair_btn.configure(state="normal")))
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