1 files changed, 87 insertions, 0 deletions
diff --git a/Source/WebKit2/NetworkProcess/cache/NetworkCacheIOChannel.h b/Source/WebKit2/NetworkProcess/cache/NetworkCacheIOChannel.h
new file mode 100644
index 000000000..f19db6fa1
--- /dev/null
+++ b/Source/WebKit2/NetworkProcess/cache/NetworkCacheIOChannel.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2015 Apple 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:
+ * 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.
+ */
+
+#ifndef NetworkCacheIOChannel_h
+#define NetworkCacheIOChannel_h
+
+#if ENABLE(NETWORK_CACHE)
+
+#include "NetworkCacheData.h"
+#include <functional>
+#include <wtf/ThreadSafeRefCounted.h>
+#include <wtf/WorkQueue.h>
+#include <wtf/text/WTFString.h>
+
+#if USE(SOUP)
+#include <wtf/glib/GRefPtr.h>
+#endif
+
+namespace WebKit {
+namespace NetworkCache {
+
+class IOChannel : public ThreadSafeRefCounted<IOChannel> {
+public:
+    enum class Type { Read, Write, Create };
+    static Ref<IOChannel> open(const String& file, Type);
+
+    // Using nullptr as queue submits the result to the main queue.
+    // FIXME: We should add WorkQueue::main() instead.
+    void read(size_t offset, size_t, WorkQueue*, std::function<void (Data&, int error)>);
+    void write(size_t offset, const Data&, WorkQueue*, std::function<void (int error)>);
+
+    const String& path() const { return m_path; }
+    Type type() const { return m_type; }
+
+    int fileDescriptor() const { return m_fileDescriptor; }
+
+    ~IOChannel();
+
+private:
+    IOChannel(const String& filePath, IOChannel::Type);
+
+#if USE(SOUP)
+    void readSyncInThread(size_t offset, size_t, WorkQueue*, std::function<void (Data&, int error)>);
+#endif
+
+    String m_path;
+    Type m_type;
+
+    int m_fileDescriptor { 0 };
+    std::atomic<bool> m_wasDeleted { false }; // Try to narrow down a crash, https://bugs.webkit.org/show_bug.cgi?id=165659
+#if PLATFORM(COCOA)
+    DispatchPtr<dispatch_io_t> m_dispatchIO;
+#endif
+#if USE(SOUP)
+    GRefPtr<GInputStream> m_inputStream;
+    GRefPtr<GOutputStream> m_outputStream;
+    GRefPtr<GFileIOStream> m_ioStream;
+#endif
+};
+
+}
+}
+
+#endif
+#endif