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

WebCore/Modules/websockets/WebSocket.cpp

 /*
  * Copyright (C) 2011 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 335 matching lines @@
         m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, getFramingOverhead(payloadSize));
         return false;
     }
     ASSERT(m_channel);
     RefPtr<ArrayBuffer> arrayBuffer(arrayBufferView->buffer());
     return m_channel->send(*arrayBuffer, arrayBufferView->byteOffset(), arrayBufferView->byteLength()) == ThreadableWebSocketChannel::SendSuccess;
 }
 
 bool WebSocket::send(Blob* binaryData, ExceptionCode& ec)
 {
-    LOG(Network, "WebSocket %p send blob %s", this, binaryData->url().string().utf8().data());
+    LOG(Network, "WebSocket %p send blob %s", this, binaryData->uuid().utf8().data());
     ASSERT(binaryData);
     if (m_state == CONNECTING) {
         ec = INVALID_STATE_ERR;
         return false;
     }
     if (m_state == CLOSING || m_state == CLOSED) {
         unsigned long payloadSize = static_cast<unsigned long>(binaryData->size());
         m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, payloadSize);
         m_bufferedAmountAfterClose = saturateAdd(m_bufferedAmountAfterClose, getFramingOverhead(payloadSize));
         return false;
@@ skipping 149 matching lines @@
     if (m_state != OPEN && m_state != CLOSING)
         return;
     ASSERT(scriptExecutionContext());
     dispatchEvent(MessageEvent::create(msg, SecurityOrigin::create(m_url)->toString()));
 }
 
 void WebSocket::didReceiveBinaryData(PassOwnPtr<Vector<char> > binaryData)
 {
     switch (m_binaryType) {
     case BinaryTypeBlob: {
+        // FIXME: What if this is a very large amount of data, too large to reasonably fit
+        // into a Vector<char>? As data is received, we should be spooling it out incrementally
+        // to construct the blob.
         size_t size = binaryData->size();
         RefPtr<RawData> rawData = RawData::create();
         binaryData->swap(*rawData->mutableData());
         OwnPtr<BlobData> blobData = BlobData::create();
         blobData->appendData(rawData.release(), 0, BlobDataItem::toEndOfFile);
-        RefPtr<Blob> blob = Blob::create(blobData.release(), size);
+        RefPtr<Blob> blob = Blob::create(BlobDataHandle::create(blobData.release(), size));
         dispatchEvent(MessageEvent::create(blob.release(), SecurityOrigin::create(m_url)->toString()));
         break;
     }
 
     case BinaryTypeArrayBuffer:
         dispatchEvent(MessageEvent::create(ArrayBuffer::create(binaryData->data(), binaryData->size()), SecurityOrigin::create(m_url)->toString()));
         break;
     }
 }
 
@@ skipping 57 matching lines @@
     if (payloadSize >= minimumPayloadSizeWithEightByteExtendedPayloadLength)
         overhead += 8;
     else if (payloadSize >= minimumPayloadSizeWithTwoByteExtendedPayloadLength)
         overhead += 2;
     return overhead;
 }
 
 }  // namespace WebCore
 
 #endif