here-data-sdk-cpp/tests/common/ReadDefaultResponses.cpp at master · heremaps/here-data-sdk-cpp · GitHub

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* 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.

* SPDX-License-Identifier: Apache-2.0

* License-Filename: LICENSE

#include "ReadDefaultResponses.h"

#include <numeric>

#include <string>

#include <utility>

#include <vector>

#include <generated/serializer/SerializerWrapper.h>

#include <boost/json/serialize.hpp>

#include <boost/json/value.hpp>

namespace {

void WriteSubquadsToJson(

boost::json::object& doc, const olp::geo::TileKey& root_tile,

const std::map<std::uint64_t, mockserver::TileMetadata>& sub_quads) {

boost::json::array sub_quads_value;

for (const auto& quad : sub_quads) {

const mockserver::TileMetadata& metadata = quad.second;

const auto partition = root_tile.AddedSubkey64(quad.first).ToHereTile();

boost::json::object item;

olp::serializer::serialize("subQuadKey", std::to_string(quad.first), item);

olp::serializer::serialize("version", metadata.version, item);

olp::serializer::serialize("dataHandle", metadata.data_handle, item);

olp::serializer::serialize("crc", metadata.crc, item);

olp::serializer::serialize("checksum", metadata.checksum, item);

olp::serializer::serialize("dataSize", metadata.data_size, item);

olp::serializer::serialize("compressedDataSize",

metadata.compressed_data_size, item);

sub_quads_value.emplace_back(std::move(item));

}

doc.emplace("subQuads", std::move(sub_quads_value));

}

void WriteParentquadsToJson(

boost::json::object& doc,

const std::map<std::uint64_t, mockserver::TileMetadata>& parent_quads) {

boost::json::array parent_quads_value;

for (const auto& parent : parent_quads) {

const auto partition = std::to_string(parent.first);

const mockserver::TileMetadata& metadata = parent.second;

boost::json::object item;

olp::serializer::serialize("partition", partition, item);

olp::serializer::serialize("version", metadata.version, item);

olp::serializer::serialize("dataHandle", metadata.data_handle, item);

olp::serializer::serialize("crc", metadata.crc, item);

olp::serializer::serialize("checksum", metadata.checksum, item);

olp::serializer::serialize("dataSize", metadata.data_size, item);

olp::serializer::serialize("compressedDataSize",

metadata.compressed_data_size, item);

parent_quads_value.emplace_back(std::move(item));

}

doc.emplace("parentQuads", std::move(parent_quads_value));

}

std::string GenerateRandomString(size_t length) {

std::string letters =

"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

std::random_device device;

std::mt19937 generator(device());

std::uniform_int_distribution<unsigned int> dis(0u, letters.length() - 1);

std::string result;

result.resize(length);

for (auto i = 0u; i < length; ++i) {

result[i] += letters[dis(generator)];

}

return result;

}

void FillSubQuads(std::int32_t depth, std::vector<std::uint16_t>& sub_quads_) {

const auto sub_tile = olp::geo::TileKey::FromRowColumnLevel(0, 0, depth);

const auto start_level_id = sub_tile.ToQuadKey64();

const auto tiles_count = olp::geo::QuadKey64Helper::ChildrenAtLevel(depth);

std::vector<std::uint64_t> layer_ids(tiles_count);

std::iota(layer_ids.begin(), layer_ids.end(), start_level_id);

sub_quads_.insert(sub_quads_.end(), layer_ids.begin(), layer_ids.end());

}

mockserver::TileMetadata MakePartition(

std::string data_handle, olp::porting::optional<int32_t> version) {

mockserver::TileMetadata partition;

partition.data_handle = std::move(data_handle);

partition.version = version;

partition.crc = GenerateRandomString(6);

partition.checksum = GenerateRandomString(32);

partition.data_size = 100;

partition.compressed_data_size = 10;

return partition;

}

} // namespace

namespace mockserver {

std::string ReadDefaultResponses::GenerateData(size_t length) {

return GenerateRandomString(length);

}

std::string ReadDefaultResponses::GenerateQuadTreeResponse(

olp::geo::TileKey root_tile, std::uint32_t depth,

const std::vector<std::uint32_t>& available_levels) {

std::map<std::uint64_t, TileMetadata> sub_quads;

std::map<std::uint64_t, TileMetadata> parent_quads;

// generate data

for (auto level : available_levels) {

if (level < root_tile.Level()) {

auto key = root_tile.ChangedLevelTo(level).ToQuadKey64();

parent_quads[key] =

MakePartition(GenerateDataHandle(std::to_string(key)), 0);

} else {

const auto level_depth = level - root_tile.Level();

if (level_depth > depth) {

continue;

}

std::vector<std::uint16_t> sub_quads_vector;

FillSubQuads(level_depth, sub_quads_vector);

for (const auto& sub_quad : sub_quads_vector) {

const auto partition = root_tile.AddedSubkey64(sub_quad).ToHereTile();

sub_quads[sub_quad] = MakePartition(GenerateDataHandle(partition), 0);

}

boost::json::object doc;

WriteSubquadsToJson(doc, root_tile, sub_quads);

WriteParentquadsToJson(doc, parent_quads);

return boost::json::serialize(doc);

}

QuadTreeBuilder::QuadTreeBuilder(olp::geo::TileKey root_tile,

olp::porting::optional<int32_t> version)

: root_tile_(root_tile), base_version_(version) {}

QuadTreeBuilder& QuadTreeBuilder::WithParent(

olp::geo::TileKey parent, std::string data_handle,

olp::porting::optional<int32_t> version) {

assert(root_tile_.IsChildOf(parent));

// Make sure to set version when the base_version is set

if (version != olp::porting::none) {

assert(base_version_ != olp::porting::none);

} else if (base_version_) {

version = base_version_;

}

parent_quads_[parent.ToQuadKey64()] =

MakePartition(std::move(data_handle), version);

return *this;

}

QuadTreeBuilder& QuadTreeBuilder::FillParents() {

auto key = root_tile_.Parent();

while (key.IsValid()) {

auto quad_key = key.ToQuadKey64();

if (parent_quads_.find(quad_key) == parent_quads_.end()) {

parent_quads_[quad_key] =

MakePartition(GenerateRandomString(32), base_version_);

}

return *this;

}

QuadTreeBuilder& QuadTreeBuilder::WithSubQuad(

olp::geo::TileKey tile, std::string datahandle,

olp::porting::optional<int32_t> version) {

assert(tile.IsChildOf(root_tile_) || tile == root_tile_);

assert((tile.Level() - root_tile_.Level()) <= 4);

if (version != olp::porting::none) {

assert(base_version_ != olp::porting::none);

}

auto origin = root_tile_.ChangedLevelTo(tile.Level());

auto sub_quad =

olp::geo::TileKey::FromRowColumnLevel(tile.Row() - origin.Row(),

tile.Column() - origin.Column(),

tile.Level() - root_tile_.Level())

.ToQuadKey64();

sub_quads_[sub_quad] = MakePartition(std::move(datahandle), version);

return *this;

}

std::string QuadTreeBuilder::BuildJson() const {

boost::json::object doc;

WriteSubquadsToJson(doc, root_tile_, sub_quads_);

WriteParentquadsToJson(doc, parent_quads_);

return boost::json::serialize(doc);

}

olp::geo::TileKey QuadTreeBuilder::Root() const { return root_tile_; }

} // namespace mockserver

here-data-sdk-cpp/tests/common/ReadDefaultResponses.cpp at master · heremaps/here-data-sdk-cpp · GitHub

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