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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "host/commands/cvd/selector/instance_database_types.h"
#include <ctime>
#include <android-base/parseint.h>
#include <fmt/core.h>
#include "host/commands/cvd/selector/instance_group_record.h"
namespace cuttlefish {
namespace selector {
Query::Query(const std::string& field_name, const std::string& field_value)
: field_name_(field_name), field_value_(field_value) {}
std::string SerializeTimePoint(const TimeStamp& present) {
const auto duration =
std::chrono::duration_cast<CvdTimeDuration>(present.time_since_epoch());
return fmt::format("{}", duration.count());
}
Result<TimeStamp> DeserializeTimePoint(const Json::Value& group_json) {
std::string group_name = "unknown";
if (group_json.isMember(LocalInstanceGroup::kJsonGroupName)) {
group_name = group_json[LocalInstanceGroup::kJsonGroupName].asString();
}
CF_EXPECTF(group_json.isMember(LocalInstanceGroup::kJsonStartTime),
"The serialized instance database in json file for group \"{}\""
" is missing the start time field: {}",
group_name, LocalInstanceGroup::kJsonStartTime);
std::string serialized(
group_json[LocalInstanceGroup::kJsonStartTime].asString());
using CountType = decltype(((const CvdTimeDuration*)nullptr)->count());
CountType count = 0;
CF_EXPECTF(android::base::ParseInt(serialized, &count),
"Failed to serialize: {}", serialized);
CvdTimeDuration duration(count);
TimeStamp restored_time(duration);
LOG(VERBOSE) << "The start time of the group \"" << group_name
<< "\" is restored as: " << Format(restored_time);
return restored_time;
}
std::string Format(const TimeStamp& time_point) {
time_t time = std::chrono::system_clock::to_time_t(time_point);
std::string ctime_str = std::ctime(&time);
if (!ctime_str.empty() && (*ctime_str.rbegin() == '\n')) {
ctime_str.pop_back();
}
return ctime_str;
}
} // namespace selector
} // namespace cuttlefish
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