net/spdy/spdy_credential_state.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "net/spdy/spdy_credential_state.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace net {
  10
  11 const size_t SpdyCredentialState::kDefaultNumSlots = 8;
  12 const size_t SpdyCredentialState::kNoEntry = -1;
  13
  14 SpdyCredentialState::SpdyCredentialState(size_t num_slots)
  15   : slots_(num_slots),
  16     last_added_(-1) {}
  17
  18 SpdyCredentialState::~SpdyCredentialState() {}
  19
  20 bool SpdyCredentialState::HasCredential(const HostPortPair& origin) const {
  21   return FindPosition(origin) != kNoEntry;
  22 }
  23
  24 size_t SpdyCredentialState::SetHasCredential(const HostPortPair& origin) {
  25   size_t i = FindPosition(origin);
  26   if (i != kNoEntry)
  27     return i;
  28   // Add the new entry at the next index following the index of the last
  29   // entry added, or at index 0 if the last added index is the last index.
  30   if (last_added_ + 1 == slots_.size()) {
  31     last_added_ = 0;
  32   } else {
  33     last_added_++;
  34   }
  35   slots_[last_added_] = origin;
  36   return last_added_;
  37 }
  38
  39 size_t SpdyCredentialState::FindPosition(const HostPortPair& origin) const {
  40   for (size_t i = 0; i < slots_.size(); i++) {
  41     if (slots_[i].Equals(origin))
  42       return i;
  43   }
  44   return kNoEntry;
  45 }
  46
  47 void SpdyCredentialState::Resize(size_t size) {
  48   slots_.resize(size);
  49   if (last_added_ >= slots_.size())
  50     last_added_ = slots_.size() - 1;
  51 }
  52
  53 }  // namespace net