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Unified Diff: net/quic/crypto/crypto_handshake_message.h

Issue 2193073003: Move shared files in net/quic/ into net/quic/core/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: io_thread_unittest.cc Created 4 years, 5 months ago
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Index: net/quic/crypto/crypto_handshake_message.h
diff --git a/net/quic/crypto/crypto_handshake_message.h b/net/quic/crypto/crypto_handshake_message.h
deleted file mode 100644
index fc98754c1c603cf5be668250aaa69a171176c682..0000000000000000000000000000000000000000
--- a/net/quic/crypto/crypto_handshake_message.h
+++ /dev/null
@@ -1,139 +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_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_
-#define NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <cstdint>
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "base/strings/string_piece.h"
-#include "net/base/net_export.h"
-#include "net/quic/quic_protocol.h"
-
-namespace net {
-
-// An intermediate format of a handshake message that's convenient for a
-// CryptoFramer to serialize from or parse into.
-class NET_EXPORT_PRIVATE CryptoHandshakeMessage {
- public:
- CryptoHandshakeMessage();
- CryptoHandshakeMessage(const CryptoHandshakeMessage& other);
- CryptoHandshakeMessage(CryptoHandshakeMessage&& other);
- ~CryptoHandshakeMessage();
-
- CryptoHandshakeMessage& operator=(const CryptoHandshakeMessage& other);
- CryptoHandshakeMessage& operator=(CryptoHandshakeMessage&& other);
-
- // Clears state.
- void Clear();
-
- // GetSerialized returns the serialized form of this message and caches the
- // result. Subsequently altering the message does not invalidate the cache.
- const QuicData& GetSerialized() const;
-
- // MarkDirty invalidates the cache created by |GetSerialized|.
- void MarkDirty();
-
- // SetValue sets an element with the given tag to the raw, memory contents of
- // |v|.
- template <class T>
- void SetValue(QuicTag tag, const T& v) {
- tag_value_map_[tag] =
- std::string(reinterpret_cast<const char*>(&v), sizeof(v));
- }
-
- // SetVector sets an element with the given tag to the raw contents of an
- // array of elements in |v|.
- template <class T>
- void SetVector(QuicTag tag, const std::vector<T>& v) {
- if (v.empty()) {
- tag_value_map_[tag] = std::string();
- } else {
- tag_value_map_[tag] = std::string(reinterpret_cast<const char*>(&v[0]),
- v.size() * sizeof(T));
- }
- }
-
- // Returns the message tag.
- QuicTag tag() const { return tag_; }
- // Sets the message tag.
- void set_tag(QuicTag tag) { tag_ = tag; }
-
- const QuicTagValueMap& tag_value_map() const { return tag_value_map_; }
-
- void SetStringPiece(QuicTag tag, base::StringPiece value);
-
- // Erase removes a tag/value, if present, from the message.
- void Erase(QuicTag tag);
-
- // GetTaglist finds an element with the given tag containing zero or more
- // tags. If such a tag doesn't exist, it returns false. Otherwise it sets
- // |out_tags| and |out_len| to point to the array of tags and returns true.
- // The array points into the CryptoHandshakeMessage and is valid only for as
- // long as the CryptoHandshakeMessage exists and is not modified.
- QuicErrorCode GetTaglist(QuicTag tag,
- const QuicTag** out_tags,
- size_t* out_len) const;
-
- bool GetStringPiece(QuicTag tag, base::StringPiece* out) const;
-
- // GetNthValue24 interprets the value with the given tag to be a series of
- // 24-bit, length prefixed values and it returns the subvalue with the given
- // index.
- QuicErrorCode GetNthValue24(QuicTag tag,
- unsigned index,
- base::StringPiece* out) const;
- QuicErrorCode GetUint32(QuicTag tag, uint32_t* out) const;
- QuicErrorCode GetUint64(QuicTag tag, uint64_t* out) const;
-
- // size returns 4 (message tag) + 2 (uint16_t, number of entries) +
- // (4 (tag) + 4 (end offset))*tag_value_map_.size() + ∑ value sizes.
- size_t size() const;
-
- // set_minimum_size sets the minimum number of bytes that the message should
- // consume. The CryptoFramer will add a PAD tag as needed when serializing in
- // order to ensure this. Setting a value of 0 disables padding.
- //
- // Padding is useful in order to ensure that messages are a minimum size. A
- // QUIC server can require a minimum size in order to reduce the
- // amplification factor of any mirror DoS attack.
- void set_minimum_size(size_t min_bytes);
-
- size_t minimum_size() const;
-
- // DebugString returns a multi-line, string representation of the message
- // suitable for including in debug output.
- std::string DebugString() const;
-
- private:
- // GetPOD is a utility function for extracting a plain-old-data value. If
- // |tag| exists in the message, and has a value of exactly |len| bytes then
- // it copies |len| bytes of data into |out|. Otherwise |len| bytes at |out|
- // are zeroed out.
- //
- // If used to copy integers then this assumes that the machine is
- // little-endian.
- QuicErrorCode GetPOD(QuicTag tag, void* out, size_t len) const;
-
- std::string DebugStringInternal(size_t indent) const;
-
- QuicTag tag_;
- QuicTagValueMap tag_value_map_;
-
- size_t minimum_size_;
-
- // The serialized form of the handshake message. This member is constructed
- // lasily.
- mutable std::unique_ptr<QuicData> serialized_;
-};
-
-} // namespace net
-
-#endif // NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_
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