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Side by Side Diff: net/quic/quic_data_writer.h

Issue 11958018: Queueing QUIC frames to be resent instead of packets and packing RST frames with acks and congestio… (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 11 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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_QUIC_DATA_WRITER_H_ 5 #ifndef NET_QUIC_QUIC_DATA_WRITER_H_
6 #define NET_QUIC_QUIC_DATA_WRITER_H_ 6 #define NET_QUIC_QUIC_DATA_WRITER_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after
46 bool WriteUInt128(uint128 value); 46 bool WriteUInt128(uint128 value);
47 bool WriteStringPiece16(base::StringPiece val); 47 bool WriteStringPiece16(base::StringPiece val);
48 bool WriteBytes(const void* data, size_t data_len); 48 bool WriteBytes(const void* data, size_t data_len);
49 49
50 // Methods for editing the payload at a specific offset, where the 50 // Methods for editing the payload at a specific offset, where the
51 // offset must be within the writer's capacity. 51 // offset must be within the writer's capacity.
52 // Return true if there is enough space at that offset, false otherwise. 52 // Return true if there is enough space at that offset, false otherwise.
53 bool WriteUInt8ToOffset(uint8 value, size_t offset); 53 bool WriteUInt8ToOffset(uint8 value, size_t offset);
54 bool WriteUInt48ToOffset(uint64 value, size_t offset); 54 bool WriteUInt48ToOffset(uint64 value, size_t offset);
55 55
56 static void WriteUint8ToBuffer(uint8 value, char* buffer);
57 static void WriteUint16ToBuffer(uint16 value, char* buffer);
58 static void WriteUint32ToBuffer(uint32 value, char* buffer);
59 static void WriteUint48ToBuffer(uint64 value, char* buffer);
60 static void WriteUint64ToBuffer(uint64 value, char* buffer);
61 static void WriteUint128ToBuffer(uint128 value, char* buffer);
62
63 size_t capacity() const { 56 size_t capacity() const {
64 return capacity_; 57 return capacity_;
65 } 58 }
66 59
67 protected: 60 protected:
68 const char* end_of_payload() const { return buffer_ + length_; } 61 const char* end_of_payload() const { return buffer_ + length_; }
69 62
70 private: 63 private:
71 // Returns the location that the data should be written at, or NULL if there 64 // Returns the location that the data should be written at, or NULL if there
72 // is not enough room. Call EndWrite with the returned offset and the given 65 // is not enough room. Call EndWrite with the returned offset and the given
73 // length to pad out for the next write. 66 // length to pad out for the next write.
74 char* BeginWrite(size_t length); 67 char* BeginWrite(size_t length);
75 68
76 char* buffer_; 69 char* buffer_;
77 size_t capacity_; // Allocation size of payload (or -1 if buffer is const). 70 size_t capacity_; // Allocation size of payload (or -1 if buffer is const).
78 size_t length_; // Current length of the buffer. 71 size_t length_; // Current length of the buffer.
79 }; 72 };
80 73
81 } // namespace net 74 } // namespace net
82 75
83 #endif // NET_QUIC_QUIC_DATA_WRITER_H_ 76 #endif // NET_QUIC_QUIC_DATA_WRITER_H_
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