feat(third_party): add oatpp,googltest,benchmark

third_party/oatpp/changelog/1.2.0.md

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+# Oat++ 1.2.0
+
+Feel free to ask questions - [Chat on Gitter](https://gitter.im/oatpp-framework/Lobby)
+
+Contents:
+
+- [Continuous Multipart Streaming](#continuous-multipart-streaming)
+- [Changes In ConnectionProvider Interface](#changes-in-connectionprovider-interface)
+- [Object-Mapping - Type Interpretations](#type-interpretations)
+- [The new Oat++ ORM](#orm)
+- [Changes in oatpp::network Namespace](#changes-in-oatppnetwork-namespace)
+- [New Modules](#new-modules)
+
+## Continuous Multipart Streaming
+
+Now it's possible to continuously stream multipart data to the client. 
+For example, you can implement `multipart/x-mixed-replace` video stream.
+
+Both Simple-APIs and Async-APIs available.
+
+```cpp
+using namespace oatpp::web::mime::multipart;
+
+class MPStream : public Multipart {
+public:
+
+  MPStream()
+    : Multipart(generateRandomBoundary())
+  {}
+
+  std::shared_ptr<Part> readNextPart(async::Action& action /* For Simple-API action is ignored */) override {
+
+    std::this_thread::sleep_for(std::chrono::seconds(1)); // For Simple-API you may sleep just like that
+
+    oatpp::String frameData = "<frame-binary-jpeg-data>" // frame data. One jpeg image.
+
+    auto part = std::make_shared<Part>();
+    part->putHeader(Header::CONTENT_TYPE, "image/jpeg");
+    part->setDataInfo(std::make_shared<oatpp::data::stream::BufferInputStream>(frameData));
+
+    return part;
+
+  }
+
+  void writeNextPart(const std::shared_ptr<Part>& part, async::Action& action) override {
+    throw std::runtime_error("No writes here!!!");
+  }
+
+};
+
+ENDPOINT("GET", "multipart-stream", multipartStream) {
+  auto multipart = std::make_shared<MPStream>();
+  auto body = std::make_shared<oatpp::web::protocol::http::outgoing::MultipartBody>(
+    multipart,
+    "multipart/x-mixed-replace",
+    true /* flush parts */
+  );
+  return OutgoingResponse::createShared(Status::CODE_200, body);
+}
+```
+
+## Changes In ConnectionProvider Interface
+
+Both `oatpp::network::ServerConnectionProvider` and `oatpp::network::ClientConnectionProvider` 
+are now subclasses of a general `oatpp::provider::Provider<data::stream::IOStream>` class.
+
+Renamed methods:
+
+- `getConnection()` --> `get()`
+- `getConnectionAsync()` --> `getAsync()`
+- `invalidateConnection()` --> `invalidate()`
+
+This was done to unify providers' APIs and to have same API for all resource providers and resource pools.  
+Connection Providers and Connection Pools of the new ORM database adaptors are implemented based on the same functionality.
+
+More info on ConnectionProvider changes see here - [Changes in oatpp::network Namespace](#changes-in-oatppnetwork-namespace).
+
+## Type Interpretations
+
+To simplify the integration of custom types with oatpp Object-Mapping framework the the "Type Interpretation" feature was introduced.
+
+Let's say you have some struct that is not part of oatpp object-mapping framework.
+
+```cpp
+struct VPoint {
+  v_int32 x;
+  v_int32 y;
+  v_int32 z;
+};
+```
+
+To integrate it with oatpp object-mapping you can do the following:
+
+```cpp
+namespace __class {
+  class PointClass;
+}
+
+/* Declare ObjectWrapper for your type */
+/* Mapping-Enabled Point */
+typedef oatpp::data::mapping::type::Primitive<VPoint, __class::PointClass> Point;
+
+namespace __class {
+
+  /**
+   * Type info
+   */
+  class PointClass {
+  private:
+
+    /**
+     * Type interpretation
+     */
+    class Inter : public oatpp::Type::Interpretation<Point, oatpp::UnorderedFields<oatpp::Int32>>  {
+    public:
+
+      oatpp::UnorderedFields<oatpp::Int32> interpret(const Point& value) const override {
+          return {{"x", value->x}, {"y", value->y}, {"z", value->z}};
+      }
+
+      Point reproduce(const oatpp::UnorderedFields<oatpp::Int32> map) const override {
+        return Point({map["x"], map["y"], map["z"]});
+      }
+
+    };
+
+  public:
+
+    static const oatpp::ClassId CLASS_ID;
+
+    static oatpp::Type* getType(){
+      static Type type(
+        CLASS_ID, nullptr, nullptr,
+        {
+          {"my-types", new Inter()} //<-- Add type interpretation
+        }
+      );
+      return &type;
+    }
+
+  };
+
+  const oatpp::ClassId PointClass::CLASS_ID("my-types::Point");
+
+}
+```
+
+Now the "Point" struct can be serialized/deserialized with object mappers.
+
+```cpp
+oatpp::parser::json::mapping::ObjectMapper mapper;
+
+{
+  auto config = mapper.getSerializer()->getConfig();
+  config->enabledInterpretations = {"my-types"}; // Enable "my-types" for serializer
+}
+
+{
+  auto config = mapper.getDeserializer()->getConfig();
+  config->enabledInterpretations = {"my-types"}; // Enable "my-types" for deserializer
+}
+
+Point point ({1, 2, 3}); // Create mapping-enabled Point
+
+auto json = mapper.writeToString(point); // Serialize Point
+auto pointClone = mapper.readFromString<Point>(json); // Deserialize Point
+```
+
+## ORM
+
+The main feature of the `1.2.0` release is the new ORM Framework.  
+For details see - [Object-Relational Mapping (ORM) framework](https://oatpp.io/docs/components/orm/)
+
+### ORM Adaptors
+
+- [oatpp-sqlite](https://github.com/oatpp/oatpp-sqlite) - SQLite adapter for Oat++ ORM. Full support.
+- [oatpp-postgresql](https://github.com/oatpp/oatpp-postgresql) - Oat++ ORM adapter for PostgreSQL. Alpha version.
+
+## Changes in oatpp::network Namespace
+
+### Moved and Renamed
+
+- `oatpp::network::server::SimpleTCPConnectionProvider` --> `oatpp::network::tcp::server::ConnectionProvider`
+- `oatpp::network::client::SimpleTCPConnectionProvider` --> `oatpp::network::tcp::client::ConnectionProvider`
+- `oatpp::network::server::ConnectionHandler` --> `atpp::network::ConnectionHandler`
+- `oatpp::network::server::Server` --> `oatpp::network::Server`
+- `oatpp::network::Connection` --> `oatpp::network::tcp::Connection`
+
+### New Classes
+
+- `oatpp::network::Address`
+
+### New Constructors for Connection Providers
+
+oatpp::network::tcp::server::ConnectionProvider
+
+```cpp
+oatpp::network::tcp::server::ConnectionProvider::createShared(
+  {"localhost", 8000} /* network::Address */
+);
+
+oatpp::network::tcp::server::ConnectionProvider::createShared(
+  {"localhost", 8000, oatpp::network::Address::IP_4} /* network::Address */
+);
+
+oatpp::network::tcp::server::ConnectionProvider::createShared(
+  {"localhost", 8000, oatpp::network::Address::IP_4} /* network::Address */,
+  true /* use extended connections */
+);
+```
+
+oatpp::network::tcp::client::ConnectionProvider
+
+```cpp
+oatpp::network::tcp::client::ConnectionProvider::createShared(
+  {"localhost", 8000} /* network::Address */
+);
+
+oatpp::network::tcp::client::ConnectionProvider::createShared(
+  {"localhost", 8000, oatpp::network::Address::IP_4} /* network::Address */
+);
+
+oatpp::network::tcp::client::ConnectionProvider::createShared(
+  {"localhost", 8000, oatpp::network::Address::IP_4} /* network::Address */,
+  true /* use extended connections */
+);
+```
+
+## New Modules
+
+- [oatpp-sqlite](https://github.com/oatpp/oatpp-sqlite) - SQLite adapter for Oat++ ORM. Full support.
+- [oatpp-postgresql](https://github.com/oatpp/oatpp-postgresql) - Oat++ ORM adapter for PostgreSQL. Alpha version.
+- [oatpp-protobuf](https://github.com/oatpp/oatpp-protobuf) - Protobuf integration with oatpp object-mapping framework. Use
+protobuf objects as regular oatpp DTOs. Serialize/Deserialize protobuf object to/from JSON, BSON and other oatpp supported formats.