net/quic/crypto/local_strike_register_client.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/quic/crypto/local_strike_register_client.h"
   6
   7 #include "net/quic/crypto/crypto_protocol.h"
   8
   9 using base::StringPiece;
  10 using std::string;
  11
  12 namespace net {
  13
  14 LocalStrikeRegisterClient::LocalStrikeRegisterClient(
  15     unsigned max_entries,
  16     uint32 current_time_external,
  17     uint32 window_secs,
  18     const uint8 orbit[8],
  19     StrikeRegister::StartupType startup)
  20     : strike_register_(max_entries, current_time_external,  window_secs,
  21                        orbit, startup) {
  22 }
  23
  24 bool LocalStrikeRegisterClient::IsKnownOrbit(StringPiece orbit) const {
  25   base::AutoLock lock(m_);
  26   if (orbit.length() != kOrbitSize) {
  27     return false;
  28   }
  29   return memcmp(orbit.data(), strike_register_.orbit(), kOrbitSize) == 0;
  30 }
  31
  32 void LocalStrikeRegisterClient::VerifyNonceIsValidAndUnique(
  33     StringPiece nonce, QuicWallTime now, ResultCallback* cb) {
  34   bool nonce_is_valid_and_unique;
  35   if (nonce.length() != kNonceSize) {
  36     nonce_is_valid_and_unique = false;
  37   } else {
  38     base::AutoLock lock(m_);
  39     nonce_is_valid_and_unique = strike_register_.Insert(
  40         reinterpret_cast<const uint8*>(nonce.data()),
  41         static_cast<uint32>(now.ToUNIXSeconds()));
  42   }
  43
  44   // m_ must not be held when the ResultCallback runs.
  45   cb->Run(nonce_is_valid_and_unique);
  46 }
  47
  48 }  // namespace net