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优化非转码业务查询链路性能

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taocong
2026-07-23 14:25:09 +08:00
parent 389c6eeecd
commit 9cb7240060
4 changed files with 196 additions and 83 deletions
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src/pages/codesearch/codesearchpage.cpp
+60 -27
View File
@@ -706,34 +706,49 @@ void CodeSearchPage::autoBuildIndexIfNeeded()
CallChainAnalyzer *ca = currentAnalyzer();
ca->setRootPath(path);
// 1) 优先从磁盘缓存读取（程序重启 / 页面切换时秒开，无需重新扫描目录）
QString message;
if (ca->loadFromCache(path, &message)) {
m_indexedPathByMode[m_mode] = path;
LogManager::instance()->log(QString("[代码检索-缓存] %1").arg(message));
return;
}
// 统一的“全量构建/重建”流程：后台线程扫描目录，避免界面卡死；
// 构建完成后写入缓存，供下次直接读取。
auto fullBuild = [this, path]() {
m_indexing = true;
runIndexBuild(currentAnalyzer(), "正在构建代码索引，请稍候...",
[this, path](bool ok, const QString &message) {
m_indexing = false;
if (ok) {
currentAnalyzer()->saveToCache();
m_indexedPathByMode[m_mode] = path;
LogManager::instance()->log(QString("[代码检索-自动] %1").arg(message));
} else {
m_indexedPathByMode[m_mode] = path; // 标记已尝试，避免每次显示重复重试
}
});
};
// 2) 缓存不存在或已失效：后台线程扫描目录构建索引，期间显示进度框，避免界面卡死；
// 构建完成后写入缓存，供下次直接读取。
m_indexing = true;
runIndexBuild(ca, "正在构建代码索引，请稍候...",
[this, path](bool ok, const QString &message) {
m_indexing = false;
if (ok) {
currentAnalyzer()->saveToCache();
m_indexedPathByMode[m_mode] = path;
LogManager::instance()->log(QString("[代码检索-自动] %1").arg(message));
} else {
m_indexedPathByMode[m_mode] = path; // 标记已尝试，避免每次显示重复重试
}
});
// 二级加速（方案②）：仅 stat root 直接子项做快速粗判（毫秒级、主线程），
// 命中则后台直接读缓存；未命中再后台做全量指纹校验+构建（方案①，不阻塞 UI）。
if (ca->cacheQuickValid(path)) {
m_indexing = true;
runCacheLoad(ca, "正在加载索引缓存，请稍候...", /*skipFingerprint=*/true,
[this, path, fullBuild](bool ok, const QString &message) {
m_indexing = false;
if (ok) {
m_indexedPathByMode[m_mode] = path;
LogManager::instance()->log(QString("[代码检索-缓存] %1").arg(message));
} else {
// 粗判命中但读缓存失败（极少见，如缓存损坏）：回退全量构建
m_indexedPathByMode[m_mode] = path; // 标记已尝试
fullBuild();
}
});
} else {
fullBuild();
}
}
void CodeSearchPage::runIndexBuild(CallChainAnalyzer *ca, const QString &title,
std::function<void(bool, const QString &)> onDone)
void CodeSearchPage::runAsync(CallChainAnalyzer *ca, const QString &title,
std::function<QPair<bool, QString>(CallChainAnalyzer *)> task,
std::function<void(bool, const QString &)> onDone)
{
// 模态进度框（不确定进度），后台构建期间维持界面响应
// 模态进度框（不确定进度），后台任务期间维持界面响应
auto *dlg = new QProgressDialog(title, QString(), 0, 0, this);
dlg->setWindowTitle("请稍候");
dlg->setWindowModality(Qt::WindowModal);
@@ -754,13 +769,31 @@ void CodeSearchPage::runIndexBuild(CallChainAnalyzer *ca, const QString &title,
}
});
// 在后台线程执行实际扫描，避免阻塞 UI 线程
// 在后台线程执行实际任务，避免阻塞 UI 线程
auto future = QtConcurrent::run([=]() -> BuildResult {
return task(ca);
});
watcher->setFuture(future);
}
void CodeSearchPage::runIndexBuild(CallChainAnalyzer *ca, const QString &title,
std::function<void(bool, const QString &)> onDone)
{
runAsync(ca, title, [](CallChainAnalyzer *ca) -> QPair<bool, QString> {
QString msg;
const bool ok = ca->buildIndex(&msg);
return {ok, msg};
});
watcher->setFuture(future);
}, onDone);
}
void CodeSearchPage::runCacheLoad(CallChainAnalyzer *ca, const QString &title, bool skipFingerprint,
std::function<void(bool, const QString &)> onDone)
{
runAsync(ca, title, [skipFingerprint](CallChainAnalyzer *ca) -> QPair<bool, QString> {
QString msg;
const bool ok = ca->loadFromCache(ca->rootPath(), &msg, skipFingerprint);
return {ok, msg};
}, onDone);
}
void CodeSearchPage::onQueryByInput()
src/pages/codesearch/codesearchpage.h
+8 -1
View File
@@ -89,9 +89,16 @@ private:
void applyMode();
CallChainAnalyzer *currentAnalyzer() const;
/// 后台线程异步构建索引（避免界面卡顿），构建期间显示进度框；完成后回调 onDone(ok, message)
/// 后台线程异步执行索引任务（避免界面卡顿），期间显示模态进度框；完成后回调 onDone(ok, message)
void runAsync(CallChainAnalyzer *ca, const QString &title,
std::function<QPair<bool, QString>(CallChainAnalyzer *)> task,
std::function<void(bool, const QString &)> onDone);
/// 后台线程异步构建索引（扫描目录），完成后回调 onDone
void runIndexBuild(CallChainAnalyzer *ca, const QString &title,
std::function<void(bool, const QString &)> onDone);
/// 后台线程异步从缓存加载索引；skipFingerprint 为 true 时跳过全量目录指纹校验
void runCacheLoad(CallChainAnalyzer *ca, const QString &title, bool skipFingerprint,
std::function<void(bool, const QString &)> onDone);
Mode m_mode = ConvertMode;