NetworkSendQueue.cpp [plain text]
#include "config.h"
#include "NetworkSendQueue.h"
#include "BlobLoader.h"
namespace WebCore {
NetworkSendQueue::NetworkSendQueue(Document& document, WriteString&& writeString, WriteRawData&& writeRawData, ProcessError&& processError)
: m_document(makeWeakPtr(document))
, m_writeString(WTFMove(writeString))
, m_writeRawData(WTFMove(writeRawData))
, m_processError(WTFMove(processError))
{
}
NetworkSendQueue::~NetworkSendQueue() = default;
void NetworkSendQueue::enqueue(const String& data)
{
if (m_queue.isEmpty()) {
m_writeString(data);
return;
}
m_queue.append(data);
}
void NetworkSendQueue::enqueue(const JSC::ArrayBuffer& binaryData, unsigned byteOffset, unsigned byteLength)
{
if (m_queue.isEmpty()) {
auto* data = static_cast<const char*>(binaryData.data());
m_writeRawData(data + byteOffset, byteLength);
return;
}
m_queue.append(SharedBuffer::create(static_cast<const uint8_t*>(binaryData.data()) + byteOffset, byteLength));
}
void NetworkSendQueue::enqueue(WebCore::Blob& blob)
{
auto byteLength = blob.size();
if (!byteLength) {
enqueue(JSC::ArrayBuffer::create(0U, 1), 0, 0);
return;
}
m_queue.append(makeUniqueRef<BlobLoader>(m_document.get(), blob, [this] {
processMessages();
}));
}
void NetworkSendQueue::clear()
{
m_queue.clear();
}
void NetworkSendQueue::processMessages()
{
while (!m_queue.isEmpty()) {
bool shouldStopProcessing = false;
switchOn(m_queue.first(), [this](const String& message) {
m_writeString(message);
}, [this](Ref<SharedBuffer>& data) {
m_writeRawData(data->data(), data->size());
}, [this, &shouldStopProcessing](UniqueRef<BlobLoader>& loader) {
if (loader->isLoading() || loader->errorCode() == FileError::ABORT_ERR) {
shouldStopProcessing = true;
return;
}
if (const auto& result = loader->result()) {
m_writeRawData(static_cast<const char*>(result->data()), result->byteLength());
return;
}
ASSERT(loader->errorCode());
shouldStopProcessing = m_processError(loader->errorCode()) == Continue::No;
});
if (shouldStopProcessing)
return;
m_queue.removeFirst();
}
}
}