QUIC - Moved FindOrNull and FindOrDie to a separate files.

net/quic/quic_utils_chromium.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2014 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.
 //
-// Some helpers for quic
+// Some helpers for quic that are for chromium codebase.
 
-#ifndef NET_QUIC_QUIC_UTILS_H_
-#define NET_QUIC_QUIC_UTILS_H_
+#ifndef NET_QUIC_QUIC_UTILS_CHROMIUM_H_
+#define NET_QUIC_QUIC_UTILS_CHROMIUM_H_
 
-#include "net/base/int128.h"
-#include "net/base/net_export.h"
-#include "net/quic/quic_protocol.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
 
 namespace net {
 
 //
 // Find*()
 //
 
 // Returns a const reference to the value associated with the given key if it
 // exists. Crashes otherwise.
 //
@@ skipping 46 matching lines @@
 typename Collection::value_type::second_type*
 FindOrNull(Collection& collection,  // NOLINT
            const typename Collection::value_type::first_type& key) {
   typename Collection::iterator it = collection.find(key);
   if (it == collection.end()) {
     return 0;
   }
   return &it->second;
 }
 
-class NET_EXPORT_PRIVATE QuicUtils {
- public:
-  enum Priority {
-    LOCAL_PRIORITY,
-    PEER_PRIORITY,
-  };
-
-  // returns the 64 bit FNV1a hash of the data.  See
-  // http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
-  static uint64 FNV1a_64_Hash(const char* data, int len);
-
-  // returns the 128 bit FNV1a hash of the data.  See
-  // http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
-  static uint128 FNV1a_128_Hash(const char* data, int len);
-
-  // FindMutualTag sets |out_result| to the first tag in the priority list that
-  // is also in the other list and returns true. If there is no intersection it
-  // returns false.
-  //
-  // Which list has priority is determined by |priority|.
-  //
-  // If |out_index| is non-NULL and a match is found then the index of that
-  // match in |their_tags| is written to |out_index|.
-  static bool FindMutualTag(const QuicTagVector& our_tags,
-                            const QuicTag* their_tags,
-                            size_t num_their_tags,
-                            Priority priority,
-                            QuicTag* out_result,
-                            size_t* out_index);
-
-  // SerializeUint128 writes |v| in little-endian form to |out|.
-  static void SerializeUint128(uint128 v, uint8* out);
-
-  // SerializeUint128 writes the first 96 bits of |v| in little-endian form
-  // to |out|.
-  static void SerializeUint128Short(uint128 v, uint8* out);
-
-  // Returns the name of the QuicRstStreamErrorCode as a char*
-  static const char* StreamErrorToString(QuicRstStreamErrorCode error);
-
-  // Returns the name of the QuicErrorCode as a char*
-  static const char* ErrorToString(QuicErrorCode error);
-
-  // Returns the level of encryption as a char*
-  static const char* EncryptionLevelToString(EncryptionLevel level);
-
-  // TagToString is a utility function for pretty-printing handshake messages
-  // that converts a tag to a string. It will try to maintain the human friendly
-  // name if possible (i.e. kABCD -> "ABCD"), or will just treat it as a number
-  // if not.
-  static std::string TagToString(QuicTag tag);
-
-  // Given a binary buffer, return a hex+ASCII dump in the style of
-  // tcpdump's -X and -XX options:
-  // "0x0000:  0090 69bd 5400 000d 610f 0189 0800 4500  ..i.T...a.....E.\n"
-  // "0x0010:  001c fb98 4000 4001 7e18 d8ef 2301 455d  ....@.@.~...#.E]\n"
-  // "0x0020:  7fe2 0800 6bcb 0bc6 806e                 ....k....n\n"
-  static std::string StringToHexASCIIDump(base::StringPiece in_buffer);
-
-  static char* AsChars(unsigned char* data) {
-    return reinterpret_cast<char*>(data);
-  }
-
-  static QuicPriority LowestPriority();
-
-  static QuicPriority HighestPriority();
-};
-
-// Utility function that returns an IOVector object wrapped around |str|.
-inline IOVector MakeIOVector(base::StringPiece str) {
-  IOVector iov;
-  iov.Append(const_cast<char*>(str.data()), str.size());
-  return iov;
-}
-
 }  // namespace net
 
-#endif  // NET_QUIC_QUIC_UTILS_H_
+#endif  // NET_QUIC_QUIC_UTILS_CHROMIUM_H_