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Unified Diff: net/spdy/spdy_buffer.h

Issue 2832973003: Split net/spdy into core and chromium subdirectories. (Closed)
Patch Set: Fix some more build rules. Created 3 years, 8 months ago
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Index: net/spdy/spdy_buffer.h
diff --git a/net/spdy/spdy_buffer.h b/net/spdy/spdy_buffer.h
deleted file mode 100644
index c2271a5fea439fca8e73e8ea825de0c792ae3855..0000000000000000000000000000000000000000
--- a/net/spdy/spdy_buffer.h
+++ /dev/null
@@ -1,108 +0,0 @@
-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_SPDY_SPDY_BUFFER_H_
-#define NET_SPDY_SPDY_BUFFER_H_
-
-#include <cstddef>
-#include <memory>
-#include <vector>
-
-#include "base/callback_forward.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "net/base/net_export.h"
-
-namespace net {
-
-class IOBuffer;
-class SpdySerializedFrame;
-
-// SpdyBuffer is a class to hold data read from or to be written to a
-// SPDY connection. It is similar to a DrainableIOBuffer but is not
-// ref-counted and will include a way to get notified when Consume()
-// is called.
-//
-// NOTE(akalin): This explicitly does not inherit from IOBuffer to
-// avoid the needless ref-counting and to avoid working around the
-// fact that IOBuffer member functions are not virtual.
-class NET_EXPORT_PRIVATE SpdyBuffer {
- public:
- // The source of a call to a ConsumeCallback.
- enum ConsumeSource {
- // Called via a call to Consume().
- CONSUME,
- // Called via the SpdyBuffer being destroyed.
- DISCARD
- };
-
- // A Callback that gets called when bytes are consumed with the
- // (non-zero) number of bytes consumed and the source of the
- // consume. May be called any number of times with CONSUME as the
- // source followed by at most one call with DISCARD as the
- // source. The sum of the number of bytes consumed equals the total
- // size of the buffer.
- typedef base::Callback<void(size_t, ConsumeSource)> ConsumeCallback;
-
- // Construct with the data in the given frame. Assumes that data is
- // owned by |frame| or outlives it.
- explicit SpdyBuffer(std::unique_ptr<SpdySerializedFrame> frame);
-
- // Construct with a copy of the given raw data. |data| must be
- // non-NULL and |size| must be non-zero.
- SpdyBuffer(const char* data, size_t size);
-
- // If there are bytes remaining in the buffer, triggers a call to
- // any consume callbacks with a DISCARD source.
- ~SpdyBuffer();
-
- // Returns the remaining (unconsumed) data.
- const char* GetRemainingData() const;
-
- // Returns the number of remaining (unconsumed) bytes.
- size_t GetRemainingSize() const;
-
- // Add a callback to be called when bytes are consumed. The
- // ConsumeCallback should not do anything complicated; ideally it
- // should only update a counter. In particular, it must *not* cause
- // the SpdyBuffer itself to be destroyed.
- void AddConsumeCallback(const ConsumeCallback& consume_callback);
-
- // Consume the given number of bytes, which must be positive but not
- // greater than GetRemainingSize().
- void Consume(size_t consume_size);
-
- // Returns an IOBuffer pointing to the data starting at
- // GetRemainingData(). Use with care; the returned IOBuffer is not
- // updated when Consume() is called. However, it may still be used
- // past the lifetime of this object.
- //
- // This is used with Socket::Write(), which takes an IOBuffer* that
- // may be written to even after the socket itself is destroyed. (See
- // http://crbug.com/249725 .)
- IOBuffer* GetIOBufferForRemainingData();
-
- // Returns the estimate of dynamically allocated memory in bytes.
- size_t EstimateMemoryUsage() const;
-
- private:
- void ConsumeHelper(size_t consume_size, ConsumeSource consume_source);
-
- // Ref-count the passed-in SpdySerializedFrame to support the semantics of
- // |GetIOBufferForRemainingData()|.
- typedef base::RefCountedData<std::unique_ptr<SpdySerializedFrame>>
- SharedFrame;
-
- class SharedFrameIOBuffer;
-
- const scoped_refptr<SharedFrame> shared_frame_;
- std::vector<ConsumeCallback> consume_callbacks_;
- size_t offset_;
-
- DISALLOW_COPY_AND_ASSIGN(SpdyBuffer);
-};
-
-} // namespace net
-
-#endif // NET_SPDY_SPDY_BUFFER_H_
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