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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ | 5 #ifndef NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ |
| 6 #define NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ | 6 #define NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
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| 30 | 30 |
| 31 // GetSerialized returns the serialized form of this message and caches the | 31 // GetSerialized returns the serialized form of this message and caches the |
| 32 // result. Subsequently altering the message does not invalidate the cache. | 32 // result. Subsequently altering the message does not invalidate the cache. |
| 33 const QuicData& GetSerialized() const; | 33 const QuicData& GetSerialized() const; |
| 34 | 34 |
| 35 // MarkDirty invalidates the cache created by |GetSerialized|. | 35 // MarkDirty invalidates the cache created by |GetSerialized|. |
| 36 void MarkDirty(); | 36 void MarkDirty(); |
| 37 | 37 |
| 38 // SetValue sets an element with the given tag to the raw, memory contents of | 38 // SetValue sets an element with the given tag to the raw, memory contents of |
| 39 // |v|. | 39 // |v|. |
| 40 template<class T> void SetValue(QuicTag tag, const T& v) { | 40 template <class T> |
| 41 void SetValue(QuicTag tag, const T& v) { |
| 41 tag_value_map_[tag] = | 42 tag_value_map_[tag] = |
| 42 std::string(reinterpret_cast<const char*>(&v), sizeof(v)); | 43 std::string(reinterpret_cast<const char*>(&v), sizeof(v)); |
| 43 } | 44 } |
| 44 | 45 |
| 45 // SetVector sets an element with the given tag to the raw contents of an | 46 // SetVector sets an element with the given tag to the raw contents of an |
| 46 // array of elements in |v|. | 47 // array of elements in |v|. |
| 47 template<class T> void SetVector(QuicTag tag, const std::vector<T>& v) { | 48 template <class T> |
| 49 void SetVector(QuicTag tag, const std::vector<T>& v) { |
| 48 if (v.empty()) { | 50 if (v.empty()) { |
| 49 tag_value_map_[tag] = std::string(); | 51 tag_value_map_[tag] = std::string(); |
| 50 } else { | 52 } else { |
| 51 tag_value_map_[tag] = std::string(reinterpret_cast<const char*>(&v[0]), | 53 tag_value_map_[tag] = std::string(reinterpret_cast<const char*>(&v[0]), |
| 52 v.size() * sizeof(T)); | 54 v.size() * sizeof(T)); |
| 53 } | 55 } |
| 54 } | 56 } |
| 55 | 57 |
| 56 // Returns the message tag. | 58 // Returns the message tag. |
| 57 QuicTag tag() const { return tag_; } | 59 QuicTag tag() const { return tag_; } |
| 58 // Sets the message tag. | 60 // Sets the message tag. |
| 59 void set_tag(QuicTag tag) { tag_ = tag; } | 61 void set_tag(QuicTag tag) { tag_ = tag; } |
| 60 | 62 |
| 61 const QuicTagValueMap& tag_value_map() const { return tag_value_map_; } | 63 const QuicTagValueMap& tag_value_map() const { return tag_value_map_; } |
| 62 | 64 |
| 63 // SetTaglist sets an element with the given tag to contain a list of tags, | 65 // SetTaglist sets an element with the given tag to contain a list of tags, |
| 64 // passed as varargs. The argument list must be terminated with a 0 element. | 66 // passed as varargs. The argument list must be terminated with a 0 element. |
| 65 void SetTaglist(QuicTag tag, ...); | 67 void SetTaglist(QuicTag tag, ...); |
| 66 | 68 |
| 67 void SetStringPiece(QuicTag tag, base::StringPiece value); | 69 void SetStringPiece(QuicTag tag, base::StringPiece value); |
| 68 | 70 |
| 69 // Erase removes a tag/value, if present, from the message. | 71 // Erase removes a tag/value, if present, from the message. |
| 70 void Erase(QuicTag tag); | 72 void Erase(QuicTag tag); |
| 71 | 73 |
| 72 // GetTaglist finds an element with the given tag containing zero or more | 74 // GetTaglist finds an element with the given tag containing zero or more |
| 73 // tags. If such a tag doesn't exist, it returns false. Otherwise it sets | 75 // tags. If such a tag doesn't exist, it returns false. Otherwise it sets |
| 74 // |out_tags| and |out_len| to point to the array of tags and returns true. | 76 // |out_tags| and |out_len| to point to the array of tags and returns true. |
| 75 // The array points into the CryptoHandshakeMessage and is valid only for as | 77 // The array points into the CryptoHandshakeMessage and is valid only for as |
| 76 // long as the CryptoHandshakeMessage exists and is not modified. | 78 // long as the CryptoHandshakeMessage exists and is not modified. |
| 77 QuicErrorCode GetTaglist(QuicTag tag, const QuicTag** out_tags, | 79 QuicErrorCode GetTaglist(QuicTag tag, |
| 80 const QuicTag** out_tags, |
| 78 size_t* out_len) const; | 81 size_t* out_len) const; |
| 79 | 82 |
| 80 bool GetStringPiece(QuicTag tag, base::StringPiece* out) const; | 83 bool GetStringPiece(QuicTag tag, base::StringPiece* out) const; |
| 81 | 84 |
| 82 // GetNthValue24 interprets the value with the given tag to be a series of | 85 // GetNthValue24 interprets the value with the given tag to be a series of |
| 83 // 24-bit, length prefixed values and it returns the subvalue with the given | 86 // 24-bit, length prefixed values and it returns the subvalue with the given |
| 84 // index. | 87 // index. |
| 85 QuicErrorCode GetNthValue24(QuicTag tag, | 88 QuicErrorCode GetNthValue24(QuicTag tag, |
| 86 unsigned index, | 89 unsigned index, |
| 87 base::StringPiece* out) const; | 90 base::StringPiece* out) const; |
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| 126 size_t minimum_size_; | 129 size_t minimum_size_; |
| 127 | 130 |
| 128 // The serialized form of the handshake message. This member is constructed | 131 // The serialized form of the handshake message. This member is constructed |
| 129 // lasily. | 132 // lasily. |
| 130 mutable scoped_ptr<QuicData> serialized_; | 133 mutable scoped_ptr<QuicData> serialized_; |
| 131 }; | 134 }; |
| 132 | 135 |
| 133 } // namespace net | 136 } // namespace net |
| 134 | 137 |
| 135 #endif // NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ | 138 #endif // NET_QUIC_CRYPTO_CRYPTO_HANDSHAKE_MESSAGE_H_ |
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