********** WebCore blob hacking

WebCore/Modules/websockets/WebSocketChannel.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 139 matching lines @@
 
 ThreadableWebSocketChannel::SendResult WebSocketChannel::send(const ArrayBuffer& binaryData, unsigned byteOffset, unsigned byteLength)
 {
     LOG(Network, "WebSocketChannel %p send arraybuffer %p %u %u", this, &binaryData, byteOffset, byteLength);
     enqueueRawFrame(WebSocketFrame::OpCodeBinary, static_cast<const char*>(binaryData.data()) + byteOffset, byteLength);
     return ThreadableWebSocketChannel::SendSuccess;
 }
 
 ThreadableWebSocketChannel::SendResult WebSocketChannel::send(const Blob& binaryData)
 {
-    LOG(Network, "WebSocketChannel %p send blob %s", this, binaryData.url().string().utf8().data());
+    LOG(Network, "WebSocketChannel %p send blob %s", this, binaryData.uuid().utf8().data());
     enqueueBlobFrame(WebSocketFrame::OpCodeBinary, binaryData);
     return ThreadableWebSocketChannel::SendSuccess;
 }
 
 bool WebSocketChannel::send(const char* data, int length)
 {
     LOG(Network, "WebSocketChannel %p send binary %p (%dB)", this, data, length);
     enqueueRawFrame(WebSocketFrame::OpCodeBinary, data, length);
     return true;
 }
@@ skipping 529 matching lines @@
     m_outgoingFrameQueue.append(frame.release());
     processOutgoingFrameQueue();
 }
 
 void WebSocketChannel::enqueueBlobFrame(WebSocketFrame::OpCode opCode, const Blob& blob)
 {
     ASSERT(m_outgoingFrameQueueStatus == OutgoingFrameQueueOpen);
     OwnPtr<QueuedFrame> frame = adoptPtr(new QueuedFrame);
     frame->opCode = opCode;
     frame->frameType = QueuedFrameTypeBlob;
-    frame->blobData = Blob::create(blob.url(), blob.type(), blob.size());
+    frame->blobData = Blob::create(blob.blobDataHandle());
     m_outgoingFrameQueue.append(frame.release());
     processOutgoingFrameQueue();
 }
 
 void WebSocketChannel::processOutgoingFrameQueue()
 {
     if (m_outgoingFrameQueueStatus == OutgoingFrameQueueClosed)
         return;
 
     while (!m_outgoingFrameQueue.isEmpty()) {
         OwnPtr<QueuedFrame> frame = m_outgoingFrameQueue.takeFirst();
         switch (frame->frameType) {
         case QueuedFrameTypeString: {
             if (!sendFrame(frame->opCode, frame->stringData.data(), frame->stringData.length()))
                 fail("Failed to send WebSocket frame.");
             break;
         }
 
         case QueuedFrameTypeVector:
             if (!sendFrame(frame->opCode, frame->vectorData.data(), frame->vectorData.size()))
                 fail("Failed to send WebSocket frame.");
             break;
 
         case QueuedFrameTypeBlob: {
 #if ENABLE(BLOB)
+            // FIXME: Read and write incrementally. This may be a large amount of data, too large
+            // to reasonably load into an array buffer.
             switch (m_blobLoaderStatus) {
             case BlobLoaderNotStarted:
                 ref(); // Will be derefed after didFinishLoading() or didFail().
                 ASSERT(!m_blobLoader);
                 m_blobLoader = adoptPtr(new FileReaderLoader(FileReaderLoader::ReadAsArrayBuffer, this));
                 m_blobLoaderStatus = BlobLoaderStarted;
                 m_blobLoader->start(m_document, frame->blobData.get());
                 m_outgoingFrameQueue.prepend(frame.release());
                 return;
 
@@ skipping 58 matching lines @@
 
     Vector<char> frameData;
     frame.makeFrameData(frameData);
 
     return m_handle->send(frameData.data(), frameData.size());
 }
 
 }  // namespace WebCore
 
 #endif  // ENABLE(WEB_SOCKETS)