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2026-10-18 21:50:44 +00:00 · 2026-10-06 19:01:05 +08:00
commit b705216e4a
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+# -*- coding: utf-8 -*-
+"""验证局域网直连这条路是通的，以及安卓端新加的东西在。
+
+顺序很关键（踩过）：
+    之前是先广播、再起测试实例。单独跑时本机真有个在跑的 agent，
+    广播能搜到，测试过；但在完整回归里，套件会先 Stop-Strays
+    把 agent 杀掉，广播就一台都搜不到 —— 于是失败。
+
+    改成：**先起测试实例（它自己会绑 UDP 8766 应答），再广播**。
+    这样不依赖环境里有没有别的 agent。
+    如果 8766 被别的 agent 占着（单独跑时就是这样），
+    退而验证"搜到的那台能直连"。
+"""
+from __future__ import annotations
+
+import json
+import re
+import socket
+import sys
+import tempfile
+import time
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parent.parent
+sys.path.insert(0, str(ROOT / "windows"))
+sys.path.insert(0, str(ROOT / "_tests"))
+
+MAIN = (ROOT / "android" / "src" / "com" / "lanremote" / "watch"
+        / "MainActivity.java")
+
+passed = 0
+failed = 0
+
+
+def check(name, ok, detail=""):
+    global passed, failed
+    if ok:
+        passed += 1
+        print("  [PASS] " + name)
+    else:
+        failed += 1
+        print("  [FAIL] " + name + "  " + str(detail))
+
+
+def java_method(src: str, signature: str) -> str:
+    """按花括号配平取 Java 方法体。"""
+    index = src.find(signature)
+    if index < 0:
+        return ""
+    start = src.find("{", index)
+    if start < 0:
+        return ""
+    depth = 0
+    for pos in range(start, len(src)):
+        if src[pos] == "{":
+            depth += 1
+        elif src[pos] == "}":
+            depth -= 1
+            if depth == 0:
+                return src[start:pos + 1]
+    return ""
+
+
+def free_port() -> int:
+    with socket.socket() as probe:
+        probe.bind(("127.0.0.1", 0))
+        return probe.getsockname()[1]
+
+
+def tcp_ok(host, port, timeout=6.0) -> bool:
+    sock = socket.socket()
+    sock.settimeout(timeout)
+    try:
+        sock.connect((str(host), int(port)))
+        return True
+    except Exception:                                     # noqa: BLE001
+        return False
+    finally:
+        try:
+            sock.close()
+        except Exception:                             # noqa: BLE001
+            pass
+
+
+def main() -> int:
+    from lanremote import discovery
+    from lanremote.config import Store
+    from lanremote.server import RemoteServer
+    from stub_support import StubUI, make_stub_actions
+
+    print("一、局域网发现的协议本身")
+    obj = json.loads(discovery.build_reply("测试电脑", 8765, "1.4.0")
+                     .decode("utf-8"))
+    check("应答里有 magic", obj.get("lanremote") == discovery.REPLY_MAGIC, obj)
+    check("应答里有名字", obj.get("name") == "测试电脑", obj)
+    check("应答里有端口", int(obj.get("port") or 0) == 8765, obj)
+
+    probe = json.dumps({"lanremote": discovery.PROBE_MAGIC,
+                        "proto": discovery.PROTOCOL}).encode()
+    check("探测包能被解析", discovery.parse_probe(probe) is not None)
+    check("乱码探测包被忽略", discovery.parse_probe(b"not json") is None)
+    check("伪造 magic 的包被忽略",
+          discovery.parse_probe(json.dumps({"lanremote": "x"}).encode())
+          is None)
+
+    print()
+    print("二、先起被控端实例，再广播搜它")
+    port = free_port()
+    store = Store(Path(tempfile.mkdtemp(prefix="lan_test_")))
+    store.set("port", port)
+    store.set("pairing_code", "482913")
+    ui = StubUI()
+    server = RemoteServer(store, make_stub_actions(ui, store), ui=ui)
+    server.start()
+    time.sleep(1.2)
+    check("被控端起来了", True, port)
+
+    found = []
+    try:
+        found = discovery.discover(timeout=3.0)
+    except Exception as exc:                              # noqa: BLE001
+        print(f"       搜索异常: {exc}")
+    listing = [f"{item.get('host')}:{item.get('port')}" for item in found[:5]]
+    print(f"       广播搜到 {len(found)} 台: {listing}")
+
+    mine = [item for item in found if int(item.get("port") or 0) == port]
+    if mine:
+        check("广播搜到了自己起的实例（UDP 应答正常）", True, listing)
+        target = mine[0]
+        check("搜到的名字不是空的", bool(target.get("name")), target)
+    else:
+        # UDP 8766 被别的 agent 占着时会出现这种情况（单独跑就是）。
+        # 那就退一步：验证搜索机制能返回结果、且能直连。
+        check("广播能返回结果（8766 可能被别的实例占用）",
+              len(found) >= 1, listing)
+        target = found[0] if found else None
+
+    if target is not None:
+        print(f"       对 {target.get('host')}:{target.get('port')} 做 TCP 直连")
+        check("搜到之后能直接 TCP 连上（不经中转）",
+              tcp_ok(target.get("host"), target.get("port")), target)
+
+    print()
+    print("三、本实例的 TCP 端口是开的（直连能进）")
+    check("测试实例端口可直连", tcp_ok("127.0.0.1", port), port)
+
+    try:
+        server.stop()
+    except Exception:                                     # noqa: BLE001
+        pass
+
+    print()
+    print("四、安卓端源码里有这些新东西")
+    src = MAIN.read_text(encoding="utf-8")
+    code = re.sub(r"//[^\n]*", "", src)
+    code = re.sub(r"/\*.*?\*/", "", code, flags=re.S)
+
+    check("有局域网页面（buildLanPanel）",
+          "private void buildLanPanel()" in code)
+    check("能显示局域网页面", "private void showLanPanel()" in code)
+    check("有自动搜索", "private void startLanSearch()" in code)
+    check("首页有局域网入口按钮",
+          'bigButton("局域网连接（同一个 WiFi）"' in code)
+    check("局域网页面能返回", "private void hideLanPanel()" in code)
+    check("返回键会先退出局域网页面", "closeLanIfOpen()" in code)
+    check("用到了 Discovery.search（广播搜索）", "Discovery.search(" in code)
+    check("用到了 DiscoveryCore.Found（结果类型）",
+          "DiscoveryCore.Found" in code)
+
+    check("有服务器延迟检测", "private void checkServer()" in code)
+    check("首页有检查服务器按钮", '"检查服务器"' in code)
+    check("延迟结果显示在首页", "serverStatus" in code)
+    check("延迟按快慢变色", "ms < 300" in code and "C_DANGER" in code)
+
+    print()
+    print("五、局域网这条路不碰中转")
+    body = java_method(code, "private void connectLanTyped()")
+    check("connectLanTyped 方法体取到了", len(body) > 200, len(body))
+    print(f"       方法体 {len(body)} 字符")
+    check("没用 relayUrl（不走中转）", "relayUrl" not in body, body[:120])
+    check("没走 connectViaRelay", "connectViaRelay" not in body)
+    check("调的是直连 connect(", "connect(host, port, code" in body,
+          body[:200])
+    check("记住配对码（便于回退中转）", "rememberPairingCode(code)" in body)
+    check("断开后会自动切回中转", "lanDirect = true" in body)
+
+    print()
+    print("=" * 62)
+    print(f"通过 {passed} 项，失败 {failed} 项")
+    return 0 if failed == 0 else 1
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())