1 files changed, 142 insertions, 0 deletions
diff --git a/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataSoup.cpp b/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataSoup.cpp
new file mode 100644
index 000000000..21b58fa7e
--- /dev/null
+++ b/Source/WebKit2/NetworkProcess/cache/NetworkCacheDataSoup.cpp
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2015 Igalia S.L
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "NetworkCacheData.h"
+
+#if ENABLE(NETWORK_CACHE)
+
+#include "SharedMemory.h"
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+namespace WebKit {
+namespace NetworkCache {
+
+Data::Data(const uint8_t* data, size_t size)
+    : m_size(size)
+{
+    uint8_t* copiedData = static_cast<uint8_t*>(fastMalloc(size));
+    memcpy(copiedData, data, size);
+    m_buffer = adoptGRef(soup_buffer_new_with_owner(copiedData, size, copiedData, fastFree));
+}
+
+Data::Data(GRefPtr<SoupBuffer>&& buffer, int fd)
+    : m_buffer(buffer)
+    , m_fileDescriptor(fd)
+    , m_size(buffer ? buffer->length : 0)
+    , m_isMap(m_size && fd != -1)
+{
+}
+
+Data Data::empty()
+{
+    GRefPtr<SoupBuffer> buffer = adoptGRef(soup_buffer_new(SOUP_MEMORY_TAKE, nullptr, 0));
+    return { WTFMove(buffer) };
+}
+
+const uint8_t* Data::data() const
+{
+    return m_buffer ? reinterpret_cast<const uint8_t*>(m_buffer->data) : nullptr;
+}
+
+bool Data::isNull() const
+{
+    return !m_buffer;
+}
+
+bool Data::apply(const Function<bool (const uint8_t*, size_t)>& applier) const
+{
+    if (!m_size)
+        return false;
+
+    return applier(reinterpret_cast<const uint8_t*>(m_buffer->data), m_buffer->length);
+}
+
+Data Data::subrange(size_t offset, size_t size) const
+{
+    if (!m_buffer)
+        return { };
+
+    GRefPtr<SoupBuffer> subBuffer = adoptGRef(soup_buffer_new_subbuffer(m_buffer.get(), offset, size));
+    return { WTFMove(subBuffer) };
+}
+
+Data concatenate(const Data& a, const Data& b)
+{
+    if (a.isNull())
+        return b;
+    if (b.isNull())
+        return a;
+
+    size_t size = a.size() + b.size();
+    uint8_t* data = static_cast<uint8_t*>(fastMalloc(size));
+    memcpy(data, a.soupBuffer()->data, a.soupBuffer()->length);
+    memcpy(data + a.soupBuffer()->length, b.soupBuffer()->data, b.soupBuffer()->length);
+    GRefPtr<SoupBuffer> buffer = adoptGRef(soup_buffer_new_with_owner(data, size, data, fastFree));
+    return { WTFMove(buffer) };
+}
+
+struct MapWrapper {
+    ~MapWrapper()
+    {
+        munmap(map, size);
+        close(fileDescriptor);
+    }
+
+    void* map;
+    size_t size;
+    int fileDescriptor;
+};
+
+static void deleteMapWrapper(MapWrapper* wrapper)
+{
+    delete wrapper;
+}
+
+Data Data::adoptMap(void* map, size_t size, int fd)
+{
+    ASSERT(map);
+    ASSERT(map != MAP_FAILED);
+    MapWrapper* wrapper = new MapWrapper { map, size, fd };
+    GRefPtr<SoupBuffer> buffer = adoptGRef(soup_buffer_new_with_owner(map, size, wrapper, reinterpret_cast<GDestroyNotify>(deleteMapWrapper)));
+    return { WTFMove(buffer), fd };
+}
+
+RefPtr<SharedMemory> Data::tryCreateSharedMemory() const
+{
+    if (isNull() || !isMap())
+        return nullptr;
+
+    return SharedMemory::wrapMap(const_cast<char*>(m_buffer->data), m_buffer->length, m_fileDescriptor);
+}
+
+} // namespace NetworkCache
+} // namespace WebKit
+
+#endif