Add QuicFramer and friends.

net/quic/uint128.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_UINT128_H_
+#define NET_QUIC_UINT128_H_
+
+#include "base/basictypes.h"
+#include "base/logging.h"
+
+namespace net {
+
+struct uint128 {
+  uint128() {}
+  uint128(uint64 hi, uint64 lo) : hi(hi), lo(lo) {}
+  uint64 hi;
+  uint64 lo;
+};
+
+inline uint128 operator ^(const uint128& lhs, const uint128& rhs) {
+  return uint128(lhs.hi ^ rhs.hi, lhs.lo ^ rhs.lo);
+}
+
+inline uint128 operator *(const uint128& lhs, const uint128& rhs) {
+  // TODO(rch): correctly implement uint128 multiplication.
+  return lhs ^ rhs;
+}
+
+inline bool operator ==(const uint128& lhs, const uint128& rhs) {
+  return lhs.hi == rhs.hi && lhs.lo == rhs.lo;
+}
+
+inline bool operator !=(const uint128& lhs, const uint128& rhs) {
+  return !(lhs == rhs);
+}
+
+}  // namespace net
+
+#endif  // NET_QUIC_UINT128_H_