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* Update per CR feedback / code standards

Browse source 
* Cull log spam
* Add tryLock to deferred processor to preempt unnecessary loadEntityContent round-trips
This commit is contained in:
humbletim 2017-02-22 15:22:56 -05:00
parent b15956278c
commit 417587dcda
5 changed files with 32 additions and 27 deletions
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18
libraries/script-engine/src/BaseScriptEngine.cpp
View file

@ -118,14 +118,14 @@ QScriptValue BaseScriptEngine::cloneUncaughtException(const QString& extraDetail
}
if (fileName.isEmpty()) {
// climb the stack frames looking for something useful to display
for(auto ctx = currentContext(); ctx && fileName.isEmpty(); ctx = ctx->parentContext()) {
QScriptContextInfo info { ctx };
for (auto c = currentContext(); c && fileName.isEmpty(); c = c->parentContext()) {
QScriptContextInfo info { c };
if (!info.fileName().isEmpty()) {
// take fileName:lineNumber as a pair
fileName = info.fileName();
lineNumber = info.lineNumber();
if (backtrace.isEmpty()) {
backtrace = ctx->backtrace();
backtrace = c->backtrace();
}
break;
}
@ -181,8 +181,6 @@ QScriptValue BaseScriptEngine::evaluateInClosure(const QScriptValue& closure, co
return QScriptValue();
}
//_debugDump("evaluateInClosure.closure", closure);
const auto fileName = program.fileName();
const auto shortName = QUrl(fileName).fileName();
@ -197,17 +195,17 @@ QScriptValue BaseScriptEngine::evaluateInClosure(const QScriptValue& closure, co
setGlobalObject(global);
}
auto ctx = pushContext();
auto context = pushContext();
auto thiz = closure.property("this");
if (thiz.isObject()) {
#ifdef DEBUG_JS
qCDebug(scriptengine) << " setting this = closure.this" << shortName;
#endif
ctx->setThisObject(thiz);
context->setThisObject(thiz);
}
ctx->pushScope(closure);
context->pushScope(closure);
#ifdef DEBUG_JS
qCDebug(scriptengine) << QString("[%1] evaluateInClosure %2").arg(isEvaluating()).arg(shortName);
#endif
@ -244,8 +242,8 @@ QScriptValue BaseScriptEngine::newLambdaFunction(std::function<QScriptValue(QScr
auto lambda = new Lambda(this, operation, data);
auto object = newQObject(lambda, ownership);
auto call = object.property("call");
call.setPrototype(object); // ctx->callee().prototype() === Lambda QObject
call.setData(data); // ctx->callee().data() will === data param
call.setPrototype(object); // context->callee().prototype() === Lambda QObject
call.setData(data); // context->callee().data() will === data param
return call;
}
QString Lambda::toString() const {

6
libraries/script-engine/src/BaseScriptEngine.h
View file

@ -39,7 +39,7 @@ signals:
protected:
void _emitUnhandledException(const QScriptValue& exception);
QScriptValue newLambdaFunction(std::function<QScriptValue(QScriptContext *ctx, QScriptEngine* engine)> operation, const QScriptValue& data = QScriptValue(), const QScriptEngine::ValueOwnership& ownership = QScriptEngine::AutoOwnership);
QScriptValue newLambdaFunction(std::function<QScriptValue(QScriptContext *context, QScriptEngine* engine)> operation, const QScriptValue& data = QScriptValue(), const QScriptEngine::ValueOwnership& ownership = QScriptEngine::AutoOwnership);
static const QString _SETTINGS_ENABLE_EXTENDED_EXCEPTIONS;
Setting::Handle<bool> _enableExtendedJSExceptions { _SETTINGS_ENABLE_EXTENDED_EXCEPTIONS, true };
@ -72,14 +72,14 @@ protected:
class Lambda : public QObject {
Q_OBJECT
public:
Lambda(QScriptEngine *engine, std::function<QScriptValue(QScriptContext *ctx, QScriptEngine* engine)> operation, QScriptValue data);
Lambda(QScriptEngine *engine, std::function<QScriptValue(QScriptContext *context, QScriptEngine* engine)> operation, QScriptValue data);
~Lambda();
public slots:
QScriptValue call();
QString toString() const;
private:
QScriptEngine* engine;
std::function<QScriptValue(QScriptContext *ctx, QScriptEngine* engine)> operation;
std::function<QScriptValue(QScriptContext *context, QScriptEngine* engine)> operation;
QScriptValue data;
};

2
libraries/script-engine/src/BatchLoader.cpp
View file

@ -66,7 +66,7 @@ void BatchLoader::start(int maxRetries) {
qCDebug(scriptengine) << "Loaded: " << url;
} else {
_data.insert(url, QString());
qCDebug(scriptengine) << "Could not load: " << url;
qCDebug(scriptengine) << "Could not load: " << url << status;
}
if (!_finished && _urls.size() == _data.size()) {

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

@ -188,6 +188,8 @@ void ScriptCache::scriptContentAvailable(int maxRetries) {
}
}
} else {
qCWarning(scriptengine) << "Warning: scriptContentAvailable for inactive url: " << url;
}
}

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

@ -172,7 +172,6 @@ ScriptEngine::ScriptEngine(Context context, const QString& scriptContents, const
qCDebug(scriptengine) << "isEntityServerScript() -- limiting maxRetries to 1";
processLevelMaxRetries = 1;
}
//qCDebug(scriptengine) << getContext() << "processLevelMaxRetries =" << processLevelMaxRetries << fileNameString;
// this is where all unhandled exceptions end up getting logged
connect(this, &BaseScriptEngine::unhandledException, this, [this](const QScriptValue& err) {
@ -1185,7 +1184,6 @@ void ScriptEngine::timerFired() {
_timerFunctionMap.remove(callingTimer);
delete callingTimer;
}
//qCWarning(scriptengine) << "timerFired" << timerData.function.toString();
// call the associated JS function, if it exists
if (timerData.function.isValid()) {
@ -1500,18 +1498,14 @@ const auto RETRY_ATTEMPT_BATCH = 10; //glm::clamp(qgetenv("RETRY_ATTEMPT_BATCH")
const auto RETRY_ATTEMPT_MSECS = 250; //glm::clamp(qgetenv("RETRY_ATTEMPT_MSECS").toInt(), 50, 1000);
void ScriptEngine::deferLoadEntityScript(const EntityItemID& entityID, const QString& entityScript, bool forceRedownload) {
// forceRedownload doesn't make sense yet in this scenario (which only happens when another entity has taken lead on entityScript)
if (forceRedownload) {
qCDebug(scriptengine) << "deferLoadEntityScript -- TODO: ignoring forceRedownload =" << forceRedownload;
}
const auto needTimer = _pendingLoadEntities.isEmpty();
// NOTE: forceRedownload isn't forwarded here because deferLoadEntityScript() is only ever called when another entity has taken lead for the script
_pendingLoadEntities.push_back({ entityID, entityScript/*, forceRedownload*/ });
auto processDeferredEntities = [this](QScriptContext* ctx, QScriptEngine*) -> QScriptValue {
//qCDebug(scriptengine) << "deferLoadEntityScript.retry #" << _pendingLoadEntities.size() << " pending loads | " << QThread::currentThread();
auto processDeferredEntities = [this](QScriptContext* context, QScriptEngine*) -> QScriptValue {
QList<DeferredLoadEntity> stillPending;
for(int i=0; i < RETRY_ATTEMPT_BATCH && !_pendingLoadEntities.isEmpty(); i++) {
for (int i=0; i < RETRY_ATTEMPT_BATCH && !_pendingLoadEntities.isEmpty(); i++) {
auto retry = _pendingLoadEntities.takeFirst();
qCDebug(scriptengine) << "deferLoadEntityScript.retry[" << i << "]:" << retry.entityID << retry.entityScript;
if(!_entityScripts.contains(retry.entityID)) {
@ -1521,12 +1515,21 @@ void ScriptEngine::deferLoadEntityScript(const EntityItemID& entityID, const QSt
if (details.status != EntityScriptStatus::PENDING) {
qCDebug(scriptengine) << "deferLoadEntityScript.retry -- entity status no longer PENDING; " << details.status;
} else {
loadEntityScript(retry.entityID, retry.entityScript, false);
auto &locker = _lockPerUniqueScriptURL[retry.entityScript];
if (locker.tryLock()) {
locker.unlock();
loadEntityScript(retry.entityID, retry.entityScript, false);
} else {
stillPending << retry;
}
}
}
}
foreach(const DeferredLoadEntity& retry, stillPending) {
_pendingLoadEntities.push_back(retry);
}
if (_pendingLoadEntities.isEmpty()) {
QObject *interval = ctx->callee().property("interval").toQObject();
QObject *interval = context->callee().property("interval").toQObject();
// we're done processing so can kill the timer
qCDebug(scriptengine) << "loadEntityScript.retry queue processing complete -- exiting" << interval;
if (interval) {
@ -1610,7 +1613,9 @@ void ScriptEngine::loadEntityScript(const EntityItemID& entityID, const QString&
return;
}
executeOnScriptThread([=, &locker]{
//qCDebug(scriptengine) << "loadEntityScript.contentAvailable" << status << QUrl(url).fileName() << entityID.toString();
#ifdef DEBUG_ENTITY_STATES
qCDebug(scriptengine) << "loadEntityScript.contentAvailable" << status << QUrl(url).fileName() << entityID.toString();
#endif
if (!isStopping() && _entityScripts.contains(entityID)) {
entityScriptContentAvailable(entityID, url, contents, isURL, success, status);
} else {