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.
5 #include "sync/internal_api/public/base/ack_handle.h"
8 #include "base/rand_util.h"
9 #include "base/strings/string_number_conversions.h"
10 #include "base/values.h"
15 // Hopefully enough bytes for uniqueness.
16 const size_t kBytesInHandle = 16;
19 AckHandle AckHandle::CreateUnique() {
20 // This isn't a valid UUID, so we don't attempt to format it like one.
21 uint8 random_bytes[kBytesInHandle];
22 base::RandBytes(random_bytes, sizeof(random_bytes));
23 return AckHandle(base::HexEncode(random_bytes, sizeof(random_bytes)),
27 AckHandle AckHandle::InvalidAckHandle() {
28 return AckHandle(std::string(), base::Time());
31 bool AckHandle::Equals(const AckHandle& other) const {
32 return state_ == other.state_ && timestamp_ == other.timestamp_;
35 scoped_ptr<base::DictionaryValue> AckHandle::ToValue() const {
36 scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue());
37 value->SetString("state", state_);
38 value->SetString("timestamp",
39 base::Int64ToString(timestamp_.ToInternalValue()));
43 bool AckHandle::ResetFromValue(const base::DictionaryValue& value) {
44 if (!value.GetString("state", &state_))
46 std::string timestamp_as_string;
47 if (!value.GetString("timestamp", ×tamp_as_string))
49 int64 timestamp_value;
50 if (!base::StringToInt64(timestamp_as_string, ×tamp_value))
52 timestamp_ = base::Time::FromInternalValue(timestamp_value);
56 bool AckHandle::IsValid() const {
57 return !state_.empty();
60 AckHandle::AckHandle(const std::string& state, base::Time timestamp)
61 : state_(state), timestamp_(timestamp) {
64 AckHandle::~AckHandle() {