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update ScriptCache to detect local script modifications

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This commit is contained in:
humbletim 2020-10-29 11:30:33 -04:00
parent f012772fa3
commit ae7aa3eb88
3 changed files with 27 additions and 8 deletions
libraries
networking/src
FileResourceRequest.cpp
script-engine/src
ScriptCache.cppScriptCache.h

2
libraries/networking/src/FileResourceRequest.cpp
View file

@ -13,6 +13,7 @@
#include <QtCore/QFile>
#include <QtCore/QFileSelector>
#include <QtCore/QDateTime>
#include <QtCore/QDebug>
#include <StatTracker.h>
@ -54,6 +55,7 @@ void FileResourceRequest::doSend() {
} else {
QFile file(filename);
if (file.exists()) {
setProperty("last-modified", toHttpDateString(QFileInfo(file).lastModified().toMSecsSinceEpoch()));
if (file.open(QFile::ReadOnly)) {
if (file.size() < _byteRange.fromInclusive || file.size() < _byteRange.toExclusive) {

31
libraries/script-engine/src/ScriptCache.cpp
View file

@ -85,11 +85,25 @@ void ScriptCache::getScriptContents(const QString& scriptOrURL, contentAvailable
Lock lock(_containerLock);
if (_scriptCache.contains(url) && !forceDownload) {
auto scriptContent = _scriptCache[url];
lock.unlock();
qCDebug(scriptengine) << "Found script in cache:" << url.fileName();
contentAvailable(url.toString(), scriptContent, true, true, STATUS_CACHED);
} else {
auto entry = _scriptCache[url];
if (url.isLocalFile() || url.scheme().isEmpty()) {
auto mtime = QFileInfo(url.toLocalFile()).lastModified();
QString localTime = ResourceRequest::toHttpDateString(mtime.toMSecsSinceEpoch());
QString cachedTime = entry["last-modified"].toString();
if (cachedTime != localTime) {
forceDownload = true;
qCDebug(scriptengine) << "Found script in cache, but local file modified; reloading:" << url.fileName()
<< "(memory:" << cachedTime << "disk:" << localTime << ")";
}
}
if (!forceDownload) {
lock.unlock();
qCDebug(scriptengine) << "Found script in cache:" << url.fileName();
contentAvailable(url.toString(), entry["data"].toString(), true, true, STATUS_CACHED);
return;
}
}
{
auto& scriptRequest = _activeScriptRequests[url];
bool alreadyWaiting = scriptRequest.scriptUsers.size() > 0;
scriptRequest.scriptUsers.push_back(contentAvailable);
@ -140,7 +154,10 @@ void ScriptCache::scriptContentAvailable(int maxRetries) {
_activeScriptRequests.remove(url);
_scriptCache[url] = scriptContent = req->getData();
_scriptCache[url] = {
{ "data", scriptContent = req->getData() },
{ "last-modified", req->property("last-modified") },
};
} else {
auto result = req->getResult();
bool irrecoverable =
@ -177,7 +194,7 @@ void ScriptCache::scriptContentAvailable(int maxRetries) {
allCallbacks = scriptRequest.scriptUsers;
if (_scriptCache.contains(url)) {
scriptContent = _scriptCache[url];
scriptContent = _scriptCache[url]["data"].toString();
}
_activeScriptRequests.remove(url);
qCWarning(scriptengine) << "Error loading script from URL (" << status <<")";

2
libraries/script-engine/src/ScriptCache.h
View file

@ -60,7 +60,7 @@ private:
Mutex _containerLock;
QMap<QUrl, ScriptRequest> _activeScriptRequests;
QHash<QUrl, QString> _scriptCache;
QHash<QUrl, QVariantMap> _scriptCache;
QMultiMap<QUrl, ScriptUser*> _scriptUsers;
};