Read and write connection ID (represented as uint64_t) in network byte order (big endian). Protecte…

net/quic/core/quic_data_reader.h

 // Copyright (c) 2012 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_CORE_QUIC_DATA_READER_H_
 #define NET_QUIC_CORE_QUIC_DATA_READER_H_
 
 #include <cstddef>
 #include <cstdint>
 
@@ skipping 54 matching lines @@
   // Forwards the internal iterator on success.
   // Returns true on success, false otherwise.
   bool ReadStringPiece16(QuicStringPiece* result);
 
   // Reads a given number of bytes into the given buffer. The buffer
   // must be of adequate size.
   // Forwards the internal iterator on success.
   // Returns true on success, false otherwise.
   bool ReadStringPiece(QuicStringPiece* result, size_t len);
 
+  // Reads connection ID represented as 64-bit unsigned integer into the given
+  // output parameter.
+  // Forwards the internal iterator on success.
+  // Returns true on success, false otherwise.
+  // TODO(fayang): Remove this method and use ReadUInt64() once deprecating
+  // quic_restart_flag_quic_rw_cid_in_big_endian and QuicDataReader has a mode
+  // indicating reading in little/big endian.
+  bool ReadConnectionId(uint64_t* connection_id);
+
   // Returns the remaining payload as a QuicStringPiece.
   //
   // NOTE: Does not copy but rather references strings in the underlying buffer.
   // This should be kept in mind when handling memory management!
   //
   // Forwards the internal iterator.
   QuicStringPiece ReadRemainingPayload();
 
   // Returns the remaining payload as a QuicStringPiece.
   //
@@ skipping 32 matching lines @@
 
   // The location of the next read from our data buffer.
   size_t pos_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicDataReader);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CORE_QUIC_DATA_READER_H_