15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 2926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * Copyright (C) 2012 Google Inc. All rights reserved. 35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met: 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * notice, this list of conditions and the following disclaimer in the 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * documentation and/or other materials provided with the distribution. 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h" 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 28bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles)#include "platform/graphics/ThreadSafeDataTransport.h" 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 301e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles)#include "platform/SharedBuffer.h" 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 32c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 34926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)ThreadSafeDataTransport::ThreadSafeDataTransport() 35926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) : m_readBuffer(SharedBuffer::create()) 3609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) , m_allDataReceived(false) 37926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) , m_readPosition(0) 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 41926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)ThreadSafeDataTransport::~ThreadSafeDataTransport() 425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 435c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 445c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 45926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void ThreadSafeDataTransport::setData(SharedBuffer* buffer, bool allDataReceived) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 47926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) ASSERT(buffer->size() >= m_readPosition); 48926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) Vector<RefPtr<SharedBuffer> > newBufferQueue; 49926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 50926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) const char* segment = 0; 51926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) while (size_t length = buffer->getSomeData(segment, m_readPosition)) { 52926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_readPosition += length; 53926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) newBufferQueue.append(SharedBuffer::create(segment, length)); 545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) } 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 56926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) MutexLocker locker(m_mutex); 57d5428f32f5d1719f774f62e19147104ca245a3abTorne (Richard Coles) m_newBufferQueue.appendVector(newBufferQueue); 58926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_allDataReceived = allDataReceived; 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 605c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 61926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)void ThreadSafeDataTransport::data(SharedBuffer** buffer, bool* allDataReceived) 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 632fb29a03d7c71253319f61b77edc6c1e3a8fc8e2Torne (Richard Coles) ASSERT(buffer); 642fb29a03d7c71253319f61b77edc6c1e3a8fc8e2Torne (Richard Coles) ASSERT(allDataReceived); 65926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) Vector<RefPtr<SharedBuffer> > newBufferQueue; 66926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) { 67926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) MutexLocker lock(m_mutex); 68926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_newBufferQueue.swap(newBufferQueue); 692fb29a03d7c71253319f61b77edc6c1e3a8fc8e2Torne (Richard Coles) *allDataReceived = m_allDataReceived; 70926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 71926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) for (size_t i = 0; i < newBufferQueue.size(); ++i) 72926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) m_readBuffer->append(newBufferQueue[i].get()); 73926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) *buffer = m_readBuffer.get(); 745c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 755c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 76926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)bool ThreadSafeDataTransport::hasNewData() 775c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){ 78926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) MutexLocker lock(m_mutex); 79926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) return !m_newBufferQueue.isEmpty(); 805c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)} 815c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 82c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 83