blob: 5fc4448560d9c89022212ad358fed14eeb2db652 [file] [log] [blame]
// 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)),
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_);
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", &timestamp_as_string))
return false;
int64_t timestamp_value;
if (!base::StringToInt64(timestamp_as_string, &timestamp_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