Range<AsyncIO::Op**> AsyncIO::pollCompleted() {
CHECK(ctx_);
CHECK_NE(pollFd_, -1) << "pollCompleted() only allowed on pollable object";
uint64_t numEvents;
// This sets the eventFd counter to 0, see
// http://www.kernel.org/doc/man-pages/online/pages/man2/eventfd.2.html
ssize_t rc;
do {
rc = ::read(pollFd_, &numEvents, 8);
} while (rc == -1 && errno == EINTR);
if (UNLIKELY(rc == -1 && errno == EAGAIN)) {
return Range<Op**>(); // nothing completed
}
checkUnixError(rc, "AsyncIO: read from event fd failed");
DCHECK_EQ(rc, 8);
DCHECK_GT(numEvents, 0);
DCHECK_LE(numEvents, pending_);
// Don't reap more than numEvents, as we've just reset the counter to 0.
return doWait(numEvents, numEvents);
}
size_t hexDumpLine(const void* ptr, size_t offset, size_t size,
std::string& line) {
// Line layout:
// 8: address
// 1: space
// (1+2)*16: hex bytes, each preceded by a space
// 1: space separating the two halves
// 3: " |"
// 16: characters
// 1: "|"
// Total: 78
line.clear();
line.reserve(78);
const uint8_t* p = reinterpret_cast<const uint8_t*>(ptr) + offset;
size_t n = std::min(size - offset, size_t(16));
format("{:08x} ", offset).appendTo(line);
for (size_t i = 0; i < n; i++) {
if (i == 8) {
line.push_back(' ');
}
format(" {:02x}", p[i]).appendTo(line);
}
// 3 spaces for each byte we're not printing, one separating the halves
// if necessary
line.append(3 * (16 - n) + (n <= 8), ' ');
line.append(" |");
for (size_t i = 0; i < n; i++) {
char c = (p[i] >= 32 && p[i] <= 126 ? static_cast<char>(p[i]) : '.');
line.push_back(c);
}
line.append(16 - n, ' ');
line.push_back('|');
DCHECK_EQ(line.size(), 78);
return n;
}
void acquire_reply( size_t offset, void * payload, size_t payload_size ) {
DVLOG(5) << "Worker " << Grappa::current_worker()
<< " copying reply payload of " << payload_size
<< " and waking Worker " << thread_;
memcpy( ((char*)(*pointer_)) + offset, payload, payload_size );
++response_count_;
total_reply_payload_ += payload_size;
if ( response_count_ == num_messages_ ) {
DCHECK_EQ( total_reply_payload_, expected_reply_payload_ ) << "Got back the wrong amount of data "
<< "(with base = " << *request_address_
<< " and sizeof(T) = " << sizeof(T)
<< " and count = " << *count_;
acquired_ = true;
if( thread_ != NULL ) {
Grappa::wake( thread_ );
}
if( start_time_ != 0 ) {
network_time_ = Grappa::timestamp();
IAMetrics::record_network_latency( start_time_ );
}
}
}
void ResourceLoader::requestSynchronously(const ResourceRequest& request) {
// downloadToFile is not supported for synchronous requests.
DCHECK(!request.downloadToFile());
DCHECK(m_loader);
DCHECK_EQ(request.priority(), ResourceLoadPriorityHighest);
WrappedResourceRequest requestIn(request);
WebURLResponse responseOut;
WebURLError errorOut;
WebData dataOut;
int64_t encodedDataLength = WebURLLoaderClient::kUnknownEncodedDataLength;
int64_t encodedBodyLength = 0;
m_loader->loadSynchronously(requestIn, responseOut, errorOut, dataOut,
encodedDataLength, encodedBodyLength);
// A message dispatched while synchronously fetching the resource
// can bring about the cancellation of this load.
if (!m_loader)
return;
if (errorOut.reason) {
didFail(errorOut, encodedDataLength, encodedBodyLength);
return;
}
didReceiveResponse(responseOut);
if (!m_loader)
return;
DCHECK_GE(responseOut.toResourceResponse().encodedBodyLength(), 0);
// Follow the async case convention of not calling didReceiveData or
// appending data to m_resource if the response body is empty. Copying the
// empty buffer is a noop in most cases, but is destructive in the case of
// a 304, where it will overwrite the cached data we should be reusing.
if (dataOut.size()) {
m_fetcher->didReceiveData(m_resource.get(), dataOut.data(), dataOut.size());
m_resource->setResourceBuffer(dataOut);
}
didFinishLoading(monotonicallyIncreasingTime(), encodedDataLength,
encodedBodyLength);
}
PassRefPtr<CSSTransformNonInterpolableValue> composite(
const CSSTransformNonInterpolableValue& other,
double otherProgress) {
DCHECK(!isAdditive());
if (other.m_isSingle) {
DCHECK_EQ(otherProgress, 0);
DCHECK(other.isAdditive());
TransformOperations result;
result.operations() = concat(transform(), other.transform());
return create(std::move(result));
}
DCHECK(other.m_isStartAdditive || other.m_isEndAdditive);
TransformOperations start;
start.operations() = other.m_isStartAdditive
? concat(transform(), other.m_start)
: other.m_start.operations();
TransformOperations end;
end.operations() = other.m_isEndAdditive ? concat(transform(), other.m_end)
: other.m_end.operations();
return create(end.blend(start, otherProgress));
}
bool FileManagerWindows::writeBlockOrBlob(const block_id block,
const void *buffer,
const size_t length) {
DCHECK(buffer != nullptr);
DCHECK_EQ(0u, length % kSlotSizeBytes);
const string filename(blockFilename(block));
FILE *file = fopen(filename.c_str(), "wb");
if (file == nullptr) {
// Note: On most, but not all, library implementations, the errno variable
// is set to a system-specific error code on failure.
LOG(ERROR) << "Failed to open file " << filename << " with error: " << strerror(errno);
return false;
}
const size_t bytes = std::fwrite(buffer, sizeof(char), length, file);
const bool result_is_ok = (bytes == length);
if (!result_is_ok) {
LOG(ERROR) << "Failed to write file " << filename << " with error: " << strerror(ferror(file));
clearerr(file);
}
if (fflush(file)) {
LOG(ERROR) << "Failed to flush file " << filename << " with error: " << strerror(ferror(file));
}
if (!FlushFileBuffers(reinterpret_cast<HANDLE>(_get_osfhandle(_fileno(file))))) {
LOG(ERROR) << "Failed to re-flush file " << filename << " with error: " << strerror(ferror(file));
}
if (fclose(file)) {
// Note: fclose does not set errno on failure.
LOG(ERROR) << "Failed to close file " << filename;
}
return result_is_ok;
}
char* Pickle::BeginWriteData(int length)
{
DCHECK_EQ(variable_buffer_offset_, 0U) <<
"There can only be one variable buffer in a Pickle";
if(length<0 || !WriteInt(length))
{
return NULL;
}
char* data_ptr = BeginWrite(length);
if(!data_ptr)
{
return NULL;
}
variable_buffer_offset_ = data_ptr -
reinterpret_cast<char*>(header_) - sizeof(int);
// 数据写入后不必要再调用EndWrite, 所以在这里调用进行数据对齐.
EndWrite(data_ptr, length);
return data_ptr;
}
// Helper function. Must take a lowercase language as input.
static bool isLegacySupportedJavaScriptLanguage(const String& language)
{
// Mozilla 1.8 accepts javascript1.0 - javascript1.7, but WinIE 7 accepts only javascript1.1 - javascript1.3.
// Mozilla 1.8 and WinIE 7 both accept javascript and livescript.
// WinIE 7 accepts ecmascript and jscript, but Mozilla 1.8 doesn't.
// Neither Mozilla 1.8 nor WinIE 7 accept leading or trailing whitespace.
// We want to accept all the values that either of these browsers accept, but not other values.
// FIXME: This function is not HTML5 compliant. These belong in the MIME registry as "text/javascript<version>" entries.
DCHECK_EQ(language, language.lower());
return language == "javascript"
|| language == "javascript1.0"
|| language == "javascript1.1"
|| language == "javascript1.2"
|| language == "javascript1.3"
|| language == "javascript1.4"
|| language == "javascript1.5"
|| language == "javascript1.6"
|| language == "javascript1.7"
|| language == "livescript"
|| language == "ecmascript"
|| language == "jscript";
}
void SVGFilterRecordingContext::endContent(FilterData* filterData) {
DCHECK_EQ(filterData->m_state, FilterData::RecordingContent);
Filter* filter = filterData->lastEffect->getFilter();
SourceGraphic* sourceGraphic = filter->getSourceGraphic();
DCHECK(sourceGraphic);
// Use the context that contains the filtered content.
DCHECK(m_paintController);
DCHECK(m_context);
m_context->beginRecording(filter->filterRegion());
m_paintController->commitNewDisplayItems();
m_paintController->paintArtifact().replay(*m_context);
SkiaImageFilterBuilder::buildSourceGraphic(sourceGraphic,
m_context->endRecording());
// Content is cached by the source graphic so temporaries can be freed.
m_paintController = nullptr;
m_context = nullptr;
filterData->m_state = FilterData::ReadyToPaint;
}
void ReadableStreamOperations::tee(ScriptState* scriptState,
ScriptValue stream,
ScriptValue* newStream1,
ScriptValue* newStream2) {
DCHECK(isReadableStream(scriptState, stream));
DCHECK(!isLocked(scriptState, stream));
v8::Local<v8::Value> args[] = {stream.v8Value()};
ScriptValue result(scriptState, V8ScriptRunner::callExtraOrCrash(
scriptState, "ReadableStreamTee", args));
DCHECK(result.v8Value()->IsArray());
v8::Local<v8::Array> branches = result.v8Value().As<v8::Array>();
DCHECK_EQ(2u, branches->Length());
*newStream1 = ScriptValue(
scriptState, branches->Get(scriptState->context(), 0).ToLocalChecked());
*newStream2 = ScriptValue(
scriptState, branches->Get(scriptState->context(), 1).ToLocalChecked());
DCHECK(isReadableStream(scriptState, *newStream1));
DCHECK(isReadableStream(scriptState, *newStream2));
}
// static
void BrowserList::AddBrowser(Browser* browser)
{
DCHECK(browser);
browsers_.push_back(browser);
StartKeepAlive();
//if(!activity_observer)
//{
// activity_observer = new BrowserActivityObserver;
//}
//NotificationService::current()->Notify(
// chrome::NOTIFICATION_BROWSER_OPENED,
// Source<Browser>(browser),
// NotificationService::NoDetails());
// Send out notifications after add has occurred. Do some basic checking to
// try to catch evil observers that change the list from under us.
size_t original_count = observers_.size();
FOR_EACH_OBSERVER(Observer, observers_, OnBrowserAdded(browser));
DCHECK_EQ(original_count, observers_.size())
<< "observer list modified during notification";
}
void AsyncIO::submit(Op* op) {
CHECK_EQ(op->state(), Op::State::INITIALIZED);
initializeContext(); // on demand
// We can increment past capacity, but we'll clean up after ourselves.
auto p = pending_.fetch_add(1, std::memory_order_acq_rel);
if (p >= capacity_) {
decrementPending();
throw std::range_error("AsyncIO: too many pending requests");
}
iocb* cb = &op->iocb_;
cb->data = nullptr; // unused
if (pollFd_ != -1) {
io_set_eventfd(cb, pollFd_);
}
int rc = io_submit(ctx_, 1, &cb);
if (rc < 0) {
decrementPending();
throwSystemErrorExplicit(-rc, "AsyncIO: io_submit failed");
}
submitted_++;
DCHECK_EQ(rc, 1);
op->start();
}
void ProcessingInstruction::removedFrom(ContainerNode* insertionPoint) {
CharacterData::removedFrom(insertionPoint);
if (!insertionPoint->isConnected())
return;
// No need to remove XSLStyleSheet from StyleEngine.
if (!DocumentXSLT::processingInstructionRemovedFromDocument(document(), this))
document().styleEngine().removeStyleSheetCandidateNode(*this);
StyleSheet* removedSheet = m_sheet;
if (m_sheet) {
DCHECK_EQ(m_sheet->ownerNode(), this);
clearSheet();
}
// No need to remove pending sheets.
clearResource();
// If we're in document teardown, then we don't need to do any notification of
// our sheet's removal.
if (document().isActive())
document().styleEngine().setNeedsActiveStyleUpdate(removedSheet,
FullStyleUpdate);
}
void RadioButtonGroupScope::addButton(HTMLInputElement* element) {
DCHECK_EQ(element->type(), InputTypeNames::radio);
if (element->name().isEmpty())
return;
if (!m_nameToGroupMap)
m_nameToGroupMap = new NameToGroupMap;
auto keyValue = m_nameToGroupMap->add(element->name(), nullptr).storedValue;
if (!keyValue->value) {
keyValue->value = RadioButtonGroup::create();
} else {
if (keyValue->key == element->name())
UseCounter::count(element->document(),
UseCounter::RadioNameMatchingStrict);
else if (equalIgnoringASCIICase(keyValue->key, element->name()))
UseCounter::count(element->document(),
UseCounter::RadioNameMatchingASCIICaseless);
else
UseCounter::count(element->document(),
UseCounter::RadioNameMatchingCaseFolding);
}
keyValue->value->add(element);
}
PositionTemplate<Strategy>
PositionIteratorAlgorithm<Strategy>::computePosition() const {
DCHECK(isValid());
// Assume that we have the following DOM tree:
// A
// |-B
// | |-E
// | +-F
// |
// |-C
// +-D
// |-G
// +-H
if (m_nodeAfterPositionInAnchor) {
// For example, position is before E, F.
DCHECK_EQ(Strategy::parent(*m_nodeAfterPositionInAnchor), m_anchorNode);
DCHECK_NE(m_offsetsInAnchorNode[m_depthToAnchorNode], kInvalidOffset);
// TODO(yoichio): This should be equivalent to
// PositionTemplate<Strategy>(m_anchorNode,
// PositionAnchorType::BeforeAnchor);
return PositionTemplate<Strategy>(
m_anchorNode, m_offsetsInAnchorNode[m_depthToAnchorNode]);
}
if (Strategy::hasChildren(*m_anchorNode))
// For example, position is the end of B.
return PositionTemplate<Strategy>::lastPositionInOrAfterNode(m_anchorNode);
if (m_anchorNode->isTextNode())
return PositionTemplate<Strategy>(m_anchorNode, m_offsetInAnchor);
if (m_offsetInAnchor)
// For example, position is after G.
return PositionTemplate<Strategy>(m_anchorNode,
PositionAnchorType::AfterAnchor);
// For example, position is before G.
return PositionTemplate<Strategy>(m_anchorNode,
PositionAnchorType::BeforeAnchor);
}
DocumentWriter* DocumentLoader::createWriterFor(
const DocumentInit& init,
const AtomicString& mimeType,
const AtomicString& encoding,
bool dispatchWindowObjectAvailable,
ParserSynchronizationPolicy parsingPolicy,
const KURL& overridingURL) {
LocalFrame* frame = init.frame();
DCHECK(!frame->document() || !frame->document()->isActive());
DCHECK_EQ(frame->tree().childCount(), 0u);
if (!init.shouldReuseDefaultView())
frame->setDOMWindow(LocalDOMWindow::create(*frame));
Document* document =
frame->localDOMWindow()->installNewDocument(mimeType, init);
if (!init.shouldReuseDefaultView())
frame->page()->chromeClient().installSupplements(*frame);
// This should be set before receivedFirstData().
if (!overridingURL.isEmpty())
frame->document()->setBaseURLOverride(overridingURL);
frame->loader().didInstallNewDocument(dispatchWindowObjectAvailable);
// This must be called before DocumentWriter is created, otherwise HTML parser
// will use stale values from HTMLParserOption.
if (!dispatchWindowObjectAvailable)
frame->loader().receivedFirstData();
frame->loader().didBeginDocument();
return DocumentWriter::create(document, parsingPolicy, mimeType, encoding);
}
HTMLElement* ScriptCustomElementDefinition::createElementSync(
Document& document,
const QualifiedName& tagName,
ExceptionState& exceptionState) {
DCHECK(ScriptState::current(m_scriptState->isolate()) == m_scriptState);
// Create an element
// https://dom.spec.whatwg.org/#concept-create-element
// 6. If definition is non-null
// 6.1. If the synchronous custom elements flag is set:
// 6.1.2. Set result to Construct(C). Rethrow any exceptions.
// Create an element and push to the construction stack.
// V8HTMLElement::constructorCustom() can only refer to
// window.document(), but it is different from the document here
// when it is an import document. This is not exactly what the
// spec defines, but the public behavior matches to the spec.
Element* element = createElementForConstructor(document);
{
ConstructionStackScope constructionStackScope(this, element);
v8::TryCatch tryCatch(m_scriptState->isolate());
element = runConstructor();
if (tryCatch.HasCaught()) {
exceptionState.rethrowV8Exception(tryCatch.Exception());
return nullptr;
}
}
// 6.1.3. through 6.1.9.
checkConstructorResult(element, document, tagName, exceptionState);
if (exceptionState.hadException())
return nullptr;
DCHECK_EQ(element->getCustomElementState(), CustomElementState::Custom);
return toHTMLElement(element);
}
IDBTransaction::IDBTransaction(ScriptState* scriptState,
int64_t id,
const HashSet<String>& scope,
WebIDBTransactionMode mode,
IDBDatabase* db)
: ActiveScriptWrappable(this),
ActiveDOMObject(scriptState->getExecutionContext()),
m_id(id),
m_database(db),
m_mode(mode),
m_scope(scope) {
DCHECK(m_database);
DCHECK(!m_scope.isEmpty()) << "Non-versionchange transactions must operate "
"on a well-defined set of stores";
DCHECK(m_mode == WebIDBTransactionModeReadOnly ||
m_mode == WebIDBTransactionModeReadWrite)
<< "Invalid transaction mode";
DCHECK_EQ(m_state, Active);
V8PerIsolateData::from(scriptState->isolate())
->addEndOfScopeTask(DeactivateTransactionTask::create(this));
m_database->transactionCreated(this);
}
void IDBTransaction::indexDeleted(IDBIndex* index) {
DCHECK(index);
DCHECK(!index->isDeleted()) << "indexDeleted called twice for the same index";
IDBObjectStore* objectStore = index->objectStore();
DCHECK_EQ(objectStore->transaction(), this);
DCHECK(m_objectStoreMap.contains(objectStore->name()))
<< "An index was deleted without accessing its object store";
const auto& objectStoreIterator = m_oldStoreMetadata.find(objectStore);
if (objectStoreIterator == m_oldStoreMetadata.end()) {
// The index's object store was created in this transaction, so this
// index was also created (and deleted) in this transaction, and will
// not be restored if the transaction aborts.
//
// Subtle proof for the first sentence above: Deleting an index requires
// calling deleteIndex() on the store's IDBObjectStore instance.
// Whenever we create an IDBObjectStore instance for a previously
// created store, we snapshot the store's metadata. So, deleting an
// index of an "old" store can only be done after the store's metadata
// is snapshotted.
return;
}
const IDBObjectStoreMetadata* oldStoreMetadata =
objectStoreIterator->value.get();
DCHECK(oldStoreMetadata);
if (!oldStoreMetadata->indexes.contains(index->id())) {
// The index's object store was created before this transaction, but the
// index was created (and deleted) in this transaction, so it will not
// be restored if the transaction aborts.
return;
}
m_deletedIndexes.append(index);
}
uint32_t StaticMetaBase::allocate(EntryID* ent) {
uint32_t id;
auto& meta = *this;
std::lock_guard<std::mutex> g(meta.lock_);
id = ent->value.load();
if (id != kEntryIDInvalid) {
return id;
}
if (!meta.freeIds_.empty()) {
id = meta.freeIds_.back();
meta.freeIds_.pop_back();
} else {
id = meta.nextId_++;
}
uint32_t old_id = ent->value.exchange(id);
DCHECK_EQ(old_id, kEntryIDInvalid);
reserveHeadUnlocked(id);
return id;
}
void ContextLifecycleNotifier::notifyResumingActiveDOMObjects()
{
TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll);
Vector<UntracedMember<ContextLifecycleObserver>> snapshotOfObservers;
copyToVector(m_observers, snapshotOfObservers);
for (ContextLifecycleObserver* observer : snapshotOfObservers) {
// FIXME: Oilpan: At the moment, it's possible that a ActiveDOMObject
// observer is destructed while iterating. Once we enable Oilpan by default
// for all LifecycleObserver<T>s, we can remove the hack by making m_observers
// a HeapHashSet<WeakMember<LifecycleObserver<T>>>.
// (i.e., we can just iterate m_observers without taking a snapshot).
// For more details, see https://codereview.chromium.org/247253002/.
if (m_observers.contains(observer)) {
if (observer->observerType() != ContextLifecycleObserver::ActiveDOMObjectType)
continue;
ActiveDOMObject* activeDOMObject = static_cast<ActiveDOMObject*>(observer);
#if DCHECK_IS_ON()
DCHECK_EQ(activeDOMObject->getExecutionContext(), context());
DCHECK(activeDOMObject->suspendIfNeededCalled());
#endif
activeDOMObject->resume();
}
}
}
void IDatabase::LoadContent(const events_info::LoadDatabaseContentRequest& req) {
DCHECK_EQ(req.inf, info_);
server_->LoadDatabaseContent(req);
}
DispatchEventResult EventDispatchMediator::dispatchEvent(
EventDispatcher& dispatcher) const {
DCHECK_EQ(m_event.get(), &dispatcher.event());
return dispatcher.dispatch();
}
// In this method, we can clear |request| to tell content::WebURLLoaderImpl of
// Chromium not to follow the redirect. This works only when this method is
// called by RawResource::willSendRequest(). If called by
// RawResource::didAddClient(), clearing |request| won't be propagated to
// content::WebURLLoaderImpl. So, this loader must also get detached from the
// resource by calling clearResource().
bool DocumentThreadableLoader::redirectReceived(
Resource* resource,
const ResourceRequest& request,
const ResourceResponse& redirectResponse) {
DCHECK(m_client);
DCHECK_EQ(resource, this->resource());
DCHECK(m_async);
m_checker.redirectReceived();
if (!m_actualRequest.isNull()) {
reportResponseReceived(resource->identifier(), redirectResponse);
handlePreflightFailure(redirectResponse.url().getString(),
"Response for preflight is invalid (redirect)");
return false;
}
if (m_redirectMode == WebURLRequest::FetchRedirectModeManual) {
// We use |m_redirectMode| to check the original redirect mode. |request| is
// a new request for redirect. So we don't set the redirect mode of it in
// WebURLLoaderImpl::Context::OnReceivedRedirect().
DCHECK(request.useStreamOnResponse());
// There is no need to read the body of redirect response because there is
// no way to read the body of opaque-redirect filtered response's internal
// response.
// TODO(horo): If we support any API which expose the internal body, we will
// have to read the body. And also HTTPCache changes will be needed because
// it doesn't store the body of redirect responses.
responseReceived(resource, redirectResponse,
WTF::makeUnique<EmptyDataHandle>());
if (m_client) {
DCHECK(m_actualRequest.isNull());
notifyFinished(resource);
}
return false;
}
if (m_redirectMode == WebURLRequest::FetchRedirectModeError) {
ThreadableLoaderClient* client = m_client;
clear();
client->didFailRedirectCheck();
return false;
}
// Allow same origin requests to continue after allowing clients to audit the
// redirect.
if (isAllowedRedirect(request.url())) {
m_client->didReceiveRedirectTo(request.url());
if (m_client->isDocumentThreadableLoaderClient()) {
return static_cast<DocumentThreadableLoaderClient*>(m_client)
->willFollowRedirect(request, redirectResponse);
}
return true;
}
if (m_corsRedirectLimit <= 0) {
ThreadableLoaderClient* client = m_client;
clear();
client->didFailRedirectCheck();
return false;
}
--m_corsRedirectLimit;
InspectorInstrumentation::didReceiveCORSRedirectResponse(
document().frame(), resource->identifier(),
document().frame()->loader().documentLoader(), redirectResponse,
resource);
bool allowRedirect = false;
String accessControlErrorDescription;
if (!CrossOriginAccessControl::isLegalRedirectLocation(
request.url(), accessControlErrorDescription)) {
accessControlErrorDescription =
"Redirect from '" + redirectResponse.url().getString() +
"' has been blocked by CORS policy: " + accessControlErrorDescription;
} else if (!m_sameOriginRequest &&
!passesAccessControlCheck(
redirectResponse, effectiveAllowCredentials(),
getSecurityOrigin(), accessControlErrorDescription,
m_requestContext)) {
// The redirect response must pass the access control check if the original
// request was not same-origin.
accessControlErrorDescription =
"Redirect from '" + redirectResponse.url().getString() + "' to '" +
request.url().getString() + "' has been blocked by CORS policy: " +
accessControlErrorDescription;
} else {
allowRedirect = true;
}
if (!allowRedirect) {
ThreadableLoaderClient* client = m_client;
clear();
client->didFailAccessControlCheck(ResourceError(
errorDomainBlinkInternal, 0, redirectResponse.url().getString(),
accessControlErrorDescription));
return false;
}
m_client->didReceiveRedirectTo(request.url());
// FIXME: consider combining this with CORS redirect handling performed by
// CrossOriginAccessControl::handleRedirect().
clearResource();
// If the original request wasn't same-origin, then if the request URL origin
// is not same origin with the original URL origin, set the source origin to a
// globally unique identifier. (If the original request was same-origin, the
// origin of the new request should be the original URL origin.)
if (!m_sameOriginRequest) {
RefPtr<SecurityOrigin> originalOrigin =
SecurityOrigin::create(redirectResponse.url());
RefPtr<SecurityOrigin> requestOrigin =
SecurityOrigin::create(request.url());
if (!originalOrigin->isSameSchemeHostPort(requestOrigin.get()))
m_securityOrigin = SecurityOrigin::createUnique();
}
// Force any subsequent requests to use these checks.
m_sameOriginRequest = false;
// Since the request is no longer same-origin, if the user didn't request
// credentials in the first place, update our state so we neither request them
// nor expect they must be allowed.
if (m_resourceLoaderOptions.credentialsRequested ==
ClientDidNotRequestCredentials)
m_forceDoNotAllowStoredCredentials = true;
// Save the referrer to use when following the redirect.
m_overrideReferrer = true;
m_referrerAfterRedirect =
Referrer(request.httpReferrer(), request.getReferrerPolicy());
ResourceRequest crossOriginRequest(request);
// Remove any headers that may have been added by the network layer that cause
// access control to fail.
crossOriginRequest.clearHTTPReferrer();
crossOriginRequest.clearHTTPOrigin();
crossOriginRequest.clearHTTPUserAgent();
// Add any request headers which we previously saved from the
// original request.
for (const auto& header : m_requestHeaders)
crossOriginRequest.setHTTPHeaderField(header.key, header.value);
makeCrossOriginAccessRequest(crossOriginRequest);
return false;
}
void Subprocess::communicate(FdCallback readCallback,
FdCallback writeCallback) {
returnCode_.enforce(ProcessReturnCode::RUNNING);
setAllNonBlocking();
std::vector<pollfd> fds;
fds.reserve(pipes_.size());
std::vector<int> toClose;
toClose.reserve(pipes_.size());
while (!pipes_.empty()) {
fds.clear();
toClose.clear();
for (auto& p : pipes_) {
pollfd pfd;
pfd.fd = p.parentFd;
// Yes, backwards, PIPE_IN / PIPE_OUT are defined from the
// child's point of view.
if (!p.enabled) {
// Still keeping fd in watched set so we get notified of POLLHUP /
// POLLERR
pfd.events = 0;
} else if (p.direction == PIPE_IN) {
pfd.events = POLLOUT;
} else {
pfd.events = POLLIN;
}
fds.push_back(pfd);
}
int r;
do {
r = ::poll(fds.data(), fds.size(), -1);
} while (r == -1 && errno == EINTR);
checkUnixError(r, "poll");
for (int i = 0; i < pipes_.size(); ++i) {
auto& p = pipes_[i];
DCHECK_EQ(fds[i].fd, p.parentFd);
short events = fds[i].revents;
bool closed = false;
if (events & POLLOUT) {
DCHECK(!(events & POLLIN));
if (writeCallback(p.parentFd, p.childFd)) {
toClose.push_back(i);
closed = true;
}
}
if (events & POLLIN) {
DCHECK(!(events & POLLOUT));
if (readCallback(p.parentFd, p.childFd)) {
toClose.push_back(i);
closed = true;
}
}
if ((events & (POLLHUP | POLLERR)) && !closed) {
toClose.push_back(i);
closed = true;
}
}
// Close the fds in reverse order so the indexes hold after erase()
for (int idx : boost::adaptors::reverse(toClose)) {
auto pos = pipes_.begin() + idx;
closeChecked(pos->parentFd);
pipes_.erase(pos);
}
}
}
void ClientPrintHandlerGtk::OnDialogResponse(GtkDialog *dialog,
gint response_id) {
int num_matched_handlers = g_signal_handlers_disconnect_by_func(
dialog_, reinterpret_cast<gpointer>(&OnDialogResponseThunk), this);
DCHECK_EQ(1, num_matched_handlers);
gtk_widget_hide(dialog_);
switch (response_id) {
case GTK_RESPONSE_OK: {
if (gtk_settings_)
g_object_unref(gtk_settings_);
gtk_settings_ = gtk_print_unix_dialog_get_settings(
GTK_PRINT_UNIX_DIALOG(dialog_));
if (printer_)
g_object_unref(printer_);
printer_ = gtk_print_unix_dialog_get_selected_printer(
GTK_PRINT_UNIX_DIALOG(dialog_));
g_object_ref(printer_);
if (page_setup_)
g_object_unref(page_setup_);
page_setup_ = gtk_print_unix_dialog_get_page_setup(
GTK_PRINT_UNIX_DIALOG(dialog_));
g_object_ref(page_setup_);
// Handle page ranges.
CefPrintSettings::PageRangeList ranges_vector;
gint num_ranges;
bool print_selection_only = false;
switch (gtk_print_settings_get_print_pages(gtk_settings_)) {
case GTK_PRINT_PAGES_RANGES: {
GtkPageRange* gtk_range =
gtk_print_settings_get_page_ranges(gtk_settings_, &num_ranges);
if (gtk_range) {
for (int i = 0; i < num_ranges; ++i) {
ranges_vector.push_back(
CefPageRange(gtk_range[i].start, gtk_range[i].end));
}
g_free(gtk_range);
}
break;
}
case GTK_PRINT_PAGES_SELECTION:
print_selection_only = true;
break;
case GTK_PRINT_PAGES_ALL:
// Leave |ranges_vector| empty to indicate print all pages.
break;
case GTK_PRINT_PAGES_CURRENT:
default:
NOTREACHED();
break;
}
CefRefPtr<CefPrintSettings> settings = CefPrintSettings::Create();
settings->SetPageRanges(ranges_vector);
settings->SetSelectionOnly(print_selection_only);
InitPrintSettings(gtk_settings_, page_setup_, settings);
dialog_callback_->Continue(settings);
dialog_callback_ = NULL;
return;
}
case GTK_RESPONSE_DELETE_EVENT: // Fall through.
case GTK_RESPONSE_CANCEL: {
dialog_callback_->Cancel();
dialog_callback_ = NULL;
return;
}
case GTK_RESPONSE_APPLY:
default: {
NOTREACHED();
}
}
}
std::string BootEventRecordStore::GetBootEventPath(
const std::string& event) const {
DCHECK_EQ('/', store_path_.back());
return store_path_ + event;
}
void BootEventRecordStore::SetStorePath(const std::string& path) {
DCHECK_EQ('/', path.back());
store_path_ = path;
}
int main(int argc, char **argv) {
android::base::InitLogging(argv);
const std::string cmd_line = GetCommandLine(argc, argv);
LOG(INFO) << "Service started: " << cmd_line;
int option_index = 0;
static const char boot_complete_str[] = "record_boot_complete";
static const char boot_reason_str[] = "record_boot_reason";
static const char factory_reset_str[] = "record_time_since_factory_reset";
static const struct option long_options[] = {
{ "help", no_argument, NULL, 'h' },
{ "log", no_argument, NULL, 'l' },
{ "print", no_argument, NULL, 'p' },
{ "record", required_argument, NULL, 'r' },
{ boot_complete_str, no_argument, NULL, 0 },
{ boot_reason_str, no_argument, NULL, 0 },
{ factory_reset_str, no_argument, NULL, 0 },
{ NULL, 0, NULL, 0 }
};
int opt = 0;
while ((opt = getopt_long(argc, argv, "hlpr:", long_options, &option_index)) != -1) {
switch (opt) {
// This case handles long options which have no single-character mapping.
case 0: {
const std::string option_name = long_options[option_index].name;
if (option_name == boot_complete_str) {
RecordBootComplete();
} else if (option_name == boot_reason_str) {
RecordBootReason();
} else if (option_name == factory_reset_str) {
RecordFactoryReset();
} else {
LOG(ERROR) << "Invalid option: " << option_name;
}
break;
}
case 'h': {
ShowHelp(argv[0]);
break;
}
case 'l': {
LogBootEvents();
break;
}
case 'p': {
PrintBootEvents();
break;
}
case 'r': {
// |optarg| is an external variable set by getopt representing
// the option argument.
const char* event = optarg;
BootEventRecordStore boot_event_store;
boot_event_store.AddBootEvent(event);
break;
}
default: {
DCHECK_EQ(opt, '?');
// |optopt| is an external variable set by getopt representing
// the value of the invalid option.
LOG(ERROR) << "Invalid option: " << optopt;
ShowHelp(argv[0]);
return EXIT_FAILURE;
}
}
}
return 0;
}
size_t WebSurroundingText::hitOffsetInTextContent() const {
DCHECK_EQ(m_private->startOffsetInContent(), m_private->endOffsetInContent());
return m_private->startOffsetInContent();
}