| // Copyright 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. |
| |
| #include "components/invalidation/public/ack_handle.h" |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "base/rand_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/values.h" |
| |
| namespace syncer { |
| |
| namespace { |
| // Hopefully enough bytes for uniqueness. |
| const size_t kBytesInHandle = 16; |
| } // namespace |
| |
| AckHandle AckHandle::CreateUnique() { |
| // This isn't a valid UUID, so we don't attempt to format it like one. |
| uint8_t random_bytes[kBytesInHandle]; |
| base::RandBytes(random_bytes, sizeof(random_bytes)); |
| return AckHandle(base::HexEncode(random_bytes, sizeof(random_bytes)), |
| base::Time::Now()); |
| } |
| |
| AckHandle AckHandle::InvalidAckHandle() { |
| return AckHandle(std::string(), base::Time()); |
| } |
| |
| bool AckHandle::Equals(const AckHandle& other) const { |
| return state_ == other.state_ && timestamp_ == other.timestamp_; |
| } |
| |
| std::unique_ptr<base::DictionaryValue> AckHandle::ToValue() const { |
| std::unique_ptr<base::DictionaryValue> value(new base::DictionaryValue()); |
| value->SetString("state", state_); |
| value->SetString("timestamp", |
| base::Int64ToString(timestamp_.ToInternalValue())); |
| return value; |
| } |
| |
| bool AckHandle::ResetFromValue(const base::DictionaryValue& value) { |
| if (!value.GetString("state", &state_)) |
| return false; |
| std::string timestamp_as_string; |
| if (!value.GetString("timestamp", ×tamp_as_string)) |
| return false; |
| int64_t timestamp_value; |
| if (!base::StringToInt64(timestamp_as_string, ×tamp_value)) |
| return false; |
| timestamp_ = base::Time::FromInternalValue(timestamp_value); |
| return true; |
| } |
| |
| bool AckHandle::IsValid() const { |
| return !state_.empty(); |
| } |
| |
| AckHandle::AckHandle(const std::string& state, base::Time timestamp) |
| : state_(state), timestamp_(timestamp) { |
| } |
| |
| AckHandle::~AckHandle() { |
| } |
| |
| } // namespace syncer |