From af4c1e662fd53af7fc1e255437c6e6a54971a1fd Mon Sep 17 00:00:00 2001
From: Daniel Lyubomirov <daniel.lyubomirov@vereign.com>
Date: Fri, 12 Jun 2020 11:04:54 +0300
Subject: [PATCH] Flat C API
---
.gitignore | 2 +-
cpp/.clang-tidy | 2 +-
cpp/docs/doxygen.config | 3 +-
cpp/include/vereign/vereign.h | 105 ++++++++++++++++
cpp/src/CMakeLists.txt | 13 +-
cpp/src/vereign/grpc/server.cc | 10 +-
cpp/src/vereign/grpc/server.hh | 14 +++
cpp/src/vereign/vereign.cc | 60 +++++++++
cpp/tests/CMakeLists.txt | 1 +
cpp/tests/integration/CMakeLists.txt | 26 ++++
cpp/tests/integration/integration_test.cc | 147 ++++++++++++++++++++++
cpp/tests/util/protobuf.cc | 2 +-
cpp/vendor/CMakeLists.txt | 71 +++++++++++
cpp/vendor/boost.cmake | 38 ++++++
cpp/vendor/boring_ssl.cmake | 44 +++++++
cpp/vendor/fmt.cmake | 48 +++++++
cpp/vendor/grpc.cmake | 26 ++++
cpp/vendor/nlohmann.cmake | 27 ++++
18 files changed, 629 insertions(+), 10 deletions(-)
create mode 100644 cpp/include/vereign/vereign.h
create mode 100644 cpp/src/vereign/vereign.cc
create mode 100644 cpp/tests/integration/CMakeLists.txt
create mode 100644 cpp/tests/integration/integration_test.cc
create mode 100644 cpp/vendor/CMakeLists.txt
create mode 100644 cpp/vendor/boost.cmake
create mode 100644 cpp/vendor/boring_ssl.cmake
create mode 100644 cpp/vendor/fmt.cmake
create mode 100644 cpp/vendor/grpc.cmake
create mode 100644 cpp/vendor/nlohmann.cmake
diff --git a/.gitignore b/.gitignore
index fccfd58..02bce2e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
*.iml
bin/
Gopkg.lock
-vendor/
+/vendor
temp/
yarn-error.log
/.project
diff --git a/cpp/.clang-tidy b/cpp/.clang-tidy
index 756a03e..09a43d1 100644
--- a/cpp/.clang-tidy
+++ b/cpp/.clang-tidy
@@ -1,5 +1,5 @@
---
-Checks: 'clang-diagnostic-*,clang-analyzer-*,modernize-*,readability-*,-readability-container-size-empty,-readability-magic-numbers'
+Checks: 'clang-diagnostic-*,clang-analyzer-*,modernize-*,-modernize-use-nodiscard,readability-*,-readability-container-size-empty,-readability-magic-numbers'
WarningsAsErrors: ''
HeaderFilterRegex: ''
AnalyzeTemporaryDtors: false
diff --git a/cpp/docs/doxygen.config b/cpp/docs/doxygen.config
index 89459d3..2be5290 100644
--- a/cpp/docs/doxygen.config
+++ b/cpp/docs/doxygen.config
@@ -792,6 +792,7 @@ WARN_LOGFILE =
# Note: If this tag is empty the current directory is searched.
INPUT = src
+INPUT += include
# This tag can be used to specify the character encoding of the source files
# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -816,8 +817,8 @@ INPUT_ENCODING = UTF-8
# *.m, *.markdown, *.md, *.mm, *.dox, *.py, *.pyw, *.f90, *.f95, *.f03, *.f08,
# *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf and *.qsf.
+ # *.cc \
FILE_PATTERNS = *.c \
- *.cc \
*.cxx \
*.cpp \
*.c++ \
diff --git a/cpp/include/vereign/vereign.h b/cpp/include/vereign/vereign.h
new file mode 100644
index 0000000..2a25ecc
--- /dev/null
+++ b/cpp/include/vereign/vereign.h
@@ -0,0 +1,105 @@
+#ifndef VEREIGN_VEREIGN_H_
+#define VEREIGN_VEREIGN_H_
+
+#ifdef _WIN32
+ #ifdef WIN_EXPORT
+ #define PUBLIC_API __declspec(dllexport)
+ #else
+ #define PUBLIC_API __declspec(dllimport)
+ #endif
+#else
+ #define PUBLIC_API
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Error codes.
+ */
+enum vereign_error_code {
+ VEREIGN_ERR_INTERNAL = 1,
+ VEREIGN_ERR_GRPC_BIND_FAILED = 2
+};
+
+/**
+ * Error object used for the error handling of the APIs.
+ *
+ * The error has a code and error message, which can be obtained by using the corresponding
+ * methods ...
+ */
+typedef struct vereign_error vereign_error;
+
+/**
+ * Destroys ::vereign_error object.
+ *
+ * Error objects are created by the API calls as result of failures.
+ *
+ * It is safe to call it with null err.
+ *
+ * @param err The error to destroy.
+ */
+PUBLIC_API void vereign_error_free(vereign_error* err);
+
+/**
+ * Provides the gRPC API services.
+ *
+ * The object is created with ::vereign_service_start method, and shutdown with
+ * ::vereign_service_shutdown.
+ *
+ * All object's methods are named with prefix `vereign_service_`.
+ */
+typedef struct vereign_service vereign_service;
+
+/**
+ * Creates ::vereign_service object and starts the gRPC API.
+ *
+ * The returned ::vereign_service object must be destroyed with ::vereign_service_shutdown method.
+ * After successful start, the gRPC bind port can be retrieved with the
+ * ::vereign_service_selected_port method.
+ *
+ * When the gRPC server cannot bind, `err` will have code VEREIGN_ERR_GRPC_BIND_FAILED.
+ * Any other failures will set `err` with code VEREIGN_ERR_INTERNAL.
+ *
+ * **NOTE: On failure the `err` object must be freed with vereign_error_free method.**
+ *
+ * @param listen_address gRPC listen address, for example "localhost:".
+ * @param vereignHost Vereign restapi host.
+ * @param vereignPort Vereign restapi port - https, 443...
+ * @param err On failure err is initialized with the reason of the failure,
+ * otherwise err is set to nullptr.
+ * @returns vereign_service object if the gRPC is up and running, otherwise returns nullptr.
+ */
+PUBLIC_API vereign_service* vereign_service_start(
+ const char* listen_address,
+ const char* vereign_host,
+ const char* vereign_port,
+ const char* public_key,
+ vereign_error** err
+);
+
+/**
+ * Retruns the port number selected by the gRPC server of the service.
+ *
+ * Must be called after the service is created with ::vereign_service_start, and before
+ * it is destroyed with ::vereign_service_shutdown.
+ *
+ * @returns the port number selected by the gRPC server of the service.
+ */
+PUBLIC_API int vereign_service_selected_port(vereign_service* service);
+
+/**
+ * Stops and destroys the vereign service.
+ *
+ * It is safe to call with null `service`.
+ *
+ * @param service The object returned by the ::vereign_service_start function.
+ */
+PUBLIC_API void vereign_service_shutdown(vereign_service* service);
+
+#ifdef __cplusplus
+};
+#endif
+
+#endif // VEREIGN_VEREIGN_H_
diff --git a/cpp/src/CMakeLists.txt b/cpp/src/CMakeLists.txt
index c986d16..20c17f3 100644
--- a/cpp/src/CMakeLists.txt
+++ b/cpp/src/CMakeLists.txt
@@ -26,10 +26,10 @@ list(APPEND PROTO_SRC
${CMAKE_SOURCE_DIR}/proto/cpp/code.vereign.com/code/viam-apis/passport-generation-agent/api/api.pb.cc
)
add_library(vereignproto STATIC ${PROTO_SRC})
+set_property(TARGET vereignproto PROPERTY POSITION_INDEPENDENT_CODE ON)
target_link_libraries(
vereignproto
- fmt::fmt
protobuf::libprotobuf
OpenSSL::SSL
OpenSSL::Crypto
@@ -54,6 +54,7 @@ file(GLOB GENERATED_SERVICES_SRC vereign/service/gen/*.cc)
list(APPEND VEREIGNLIB_SRC ${GENERATED_SERVICES_SRC})
add_library(vereignlib STATIC ${VEREIGNLIB_SRC})
+set_property(TARGET vereignlib PROPERTY POSITION_INDEPENDENT_CODE ON)
target_link_libraries(vereignlib PRIVATE nlohmann_json::nlohmann_json)
target_link_libraries(vereignlib PUBLIC
vereignproto
@@ -61,6 +62,14 @@ target_link_libraries(vereignlib PUBLIC
gRPC::grpc++
)
+add_library(vereign SHARED
+ vereign/vereign.cc
+)
+target_include_directories(vereign
+ PRIVATE ${CMAKE_SOURCE_DIR}/include
+)
+target_link_libraries(vereign PRIVATE vereignlib)
+
set(csandbox_sources
csandbox.cc
)
@@ -71,7 +80,7 @@ set(csandbox_sources
add_executable(csandbox ${csandbox_sources})
target_link_libraries(csandbox
- vereignlib
+ vereign
# fmt::fmt
# Boost::regex
# Threads::Threads
diff --git a/cpp/src/vereign/grpc/server.cc b/cpp/src/vereign/grpc/server.cc
index c89a274..fd3c911 100644
--- a/cpp/src/vereign/grpc/server.cc
+++ b/cpp/src/vereign/grpc/server.cc
@@ -32,14 +32,16 @@ public:
const std::string& vereignPort,
// FIXME: the public key must come from a storage
const std::string& publicKey
- ) : work_guard_{asio::make_work_guard(ioc_)},
+ ) : selected_port_{0},
+ work_guard_{asio::make_work_guard(ioc_)},
ssl_context_{asio::ssl::context::tlsv12_client},
client_{std::make_unique<restapi::Client>(
ioc_, ssl_context_, vereignHost, vereignPort
)},
client_session_{std::make_unique<restapi::ClientSession>(
*client_, publicKey
- )}
+ )},
+ server_{nullptr}
{
// FIXME: Verify the remote server's certificate
@@ -60,8 +62,8 @@ public:
services_registry_.RegisterIntoBuilder(builder);
server_ = builder.BuildAndStart();
- if (server_ == nullptr) {
- throw std::runtime_error("server start failed");
+ if (server_ == nullptr || selected_port_ == 0) {
+ throw BindError{};
}
server_thread_ = std::thread([this]() {
diff --git a/cpp/src/vereign/grpc/server.hh b/cpp/src/vereign/grpc/server.hh
index d2c4cba..bcadb25 100644
--- a/cpp/src/vereign/grpc/server.hh
+++ b/cpp/src/vereign/grpc/server.hh
@@ -7,6 +7,16 @@
namespace vereign {
namespace grpc {
+/**
+ * BindError is thrown when the Server::Server could not start listening.
+ */
+class BindError: public virtual std::exception {
+public:
+ auto what() const noexcept -> const char* override {
+ return "gRPC listen failed";
+ }
+};
+
/**
* Server is a grpc server that provides the Vereign services.
*
@@ -18,9 +28,13 @@ public:
/**
* Constructs and bootstraps the server.
*
+ * When the gRPC could not start listening a BindError is thrown.
+ * This can happen for number of reasons like invalid hostname or the listen port is already in use.
+ *
* @param listenAddress gRPC listen address, for example "localhost:".
* @param vereignHost Vereign restapi host.
* @param vereignPort Vereign restapi port - https, 443...
+ * @throws BindError when the gRPC server could not start listening.
*/
explicit Server(
const std::string& listenAddress,
diff --git a/cpp/src/vereign/vereign.cc b/cpp/src/vereign/vereign.cc
new file mode 100644
index 0000000..aa69b13
--- /dev/null
+++ b/cpp/src/vereign/vereign.cc
@@ -0,0 +1,60 @@
+#include <vereign/vereign.h>
+#include <vereign/grpc/server.hh>
+
+struct vereign_error {
+ int code;
+ std::string msg;
+};
+
+void vereign_error_free(vereign_error* err) {
+ delete err;
+}
+
+struct vereign_service {
+ std::unique_ptr<vereign::grpc::Server> impl;
+};
+
+auto vereign_service_start(
+ const char* listen_address,
+ const char* vereign_host,
+ const char* vereign_port,
+ const char* public_key,
+ vereign_error** err
+) -> vereign_service* {
+ std::unique_ptr<vereign::grpc::Server> serviceImpl;
+ try {
+ serviceImpl = std::make_unique<vereign::grpc::Server>(
+ listen_address,
+ vereign_host,
+ vereign_port,
+ public_key
+ );
+
+ return new vereign_service{std::move(serviceImpl)};
+ } catch (const vereign::grpc::BindError& e) {
+ if (err != nullptr) {
+ *err = new vereign_error{VEREIGN_ERR_GRPC_BIND_FAILED, e.what()};
+ }
+ } catch (const std::exception& e) {
+ if (err != nullptr) {
+ *err = new vereign_error{VEREIGN_ERR_INTERNAL, e.what()};
+ }
+ }
+
+ return nullptr;
+}
+
+
+auto vereign_service_selected_port(vereign_service* service) -> int {
+ return service->impl->SelectedPort();
+}
+
+void vereign_service_shutdown(vereign_service* service) {
+ if (service == nullptr) {
+ return;
+ }
+
+ service->impl->Shutdown();
+ delete service;
+}
+
diff --git a/cpp/tests/CMakeLists.txt b/cpp/tests/CMakeLists.txt
index 522c633..62bd6f4 100644
--- a/cpp/tests/CMakeLists.txt
+++ b/cpp/tests/CMakeLists.txt
@@ -6,3 +6,4 @@ include_directories(
add_subdirectory("protobuf")
add_subdirectory("vereign")
+add_subdirectory("integration")
diff --git a/cpp/tests/integration/CMakeLists.txt b/cpp/tests/integration/CMakeLists.txt
new file mode 100644
index 0000000..9efb102
--- /dev/null
+++ b/cpp/tests/integration/CMakeLists.txt
@@ -0,0 +1,26 @@
+include_directories(
+ ${CMAKE_SOURCE_DIR}/src
+ ${CMAKE_SOURCE_DIR}/include
+ # ${VENDOR_INSTALL_DIR}/include
+ ${CMAKE_SOURCE_DIR}/proto/cpp
+)
+
+list(APPEND tests_src
+ ../init_tests.cc
+
+ integration_test.cc
+)
+add_executable(integration_test ${tests_src})
+
+target_link_libraries(integration_test
+ vereign
+ fmt::fmt
+ vereignproto
+ gRPC::grpc++_reflection
+ gRPC::grpc++
+)
+
+add_test(
+ NAME integration_test
+ COMMAND integration_test
+)
diff --git a/cpp/tests/integration/integration_test.cc b/cpp/tests/integration/integration_test.cc
new file mode 100644
index 0000000..d89c6d2
--- /dev/null
+++ b/cpp/tests/integration/integration_test.cc
@@ -0,0 +1,147 @@
+#include <vereign/vereign.h>
+#include <util/env.hh>
+#include <vereign/client_library/types.gen.pb.h>
+#include <vereign/client_library/passport_api.gen.grpc.pb.h>
+#include <vereign/core/scope_guard.hh>
+#include <grpcpp/create_channel.h>
+
+#include <catch2/catch.hpp>
+
+TEST_CASE("C API integration", "[.integration]") {
+ auto publicKey = vereign::test::RequireEnv("TEST_VEREIGN_PUB_KEY");
+ auto host = vereign::test::RequireEnv("TEST_VEREIGN_API_HOST");
+ auto port = vereign::test::GetEnv("TEST_VEREIGN_API_PORT", "https");
+
+ vereign_error* err = nullptr;
+ auto service = vereign_service_start(
+ "localhost:",
+ host.data(),
+ port.data(),
+ publicKey.data(),
+ &err
+ );
+ CHECK(service != nullptr);
+ CHECK(err == nullptr);
+ auto on_exit = vereign::core::MakeScopeGuard([service] {
+ vereign_service_shutdown(service);
+ });
+
+ int listen_port = vereign_service_selected_port(service);
+
+ auto channel = ::grpc::CreateChannel(
+ "localhost:" + std::to_string(listen_port),
+ ::grpc::InsecureChannelCredentials()
+ );
+
+ auto client = vereign::client_library::PassportAPI::NewStub(channel);
+
+ vereign::client_library::ListPassportsForm req;
+ vereign::client_library::ListPassportsFormResponse resp;
+ ::grpc::ClientContext ctx;
+ auto status = client->ListPassports(&ctx, req, &resp);
+
+ // std::cout << vereign::test::ProtobufToJson(resp) << std::endl;
+
+ REQUIRE(status.error_message() == "");
+ REQUIRE(resp.error() == "");
+ CHECK(resp.status() == "OK");
+ CHECK(resp.code() == "200");
+ CHECK(resp.data().size() > 0);
+ for (auto& passport : resp.data()) {
+ CHECK(passport.uuid().size() == 36);
+ }
+
+ req.Clear();
+ resp.Clear();
+ ::grpc::ClientContext manually_ctx;
+ status = client->ListPassportsManually(&manually_ctx, req, &resp);
+
+ // std::cout << vereign::test::ProtobufToJson(resp) << std::endl;
+
+ REQUIRE(status.error_message() == "");
+ REQUIRE(resp.error() == "");
+ CHECK(resp.status() == "OK");
+ CHECK(resp.code() == "200");
+ CHECK(resp.data().size() > 0);
+ for (auto& passport : resp.data()) {
+ CHECK(passport.uuid().size() == 36);
+ }
+
+ vereign::client_library::GetInteractionsForm getInterReq;
+ getInterReq.set_uuid(resp.data().at(0).uuid());
+ vereign::client_library::GetInteractionsFormResponse getInterResp;
+ ::grpc::ClientContext getInterCtx;
+ status = client->GetInteractions(&getInterCtx, getInterReq, &getInterResp);
+ CHECK(status.error_message() == "");
+ CHECK(getInterResp.error() == "");
+ CHECK(getInterResp.status() == "OK");
+ CHECK(getInterResp.code() == "200");
+ for (auto& interaction : getInterResp.data()) {
+ CHECK(interaction.subject().size() > 0);
+ CHECK(interaction.passport().size() == 36);
+ }
+
+ // std::cout << vereign::test::ProtobufToJson(getDIDsResp) << std::endl;
+
+ grpc_shutdown();
+ google::protobuf::ShutdownProtobufLibrary();
+}
+
+TEST_CASE("vereign_service_start") {
+ SECTION("success") {
+ vereign_error* err = nullptr;
+ auto service = vereign_service_start(
+ "localhost:",
+ "",
+ "",
+ "",
+ &err
+ );
+
+ CHECK(service != nullptr);
+ CHECK(err == nullptr);
+
+ vereign_service_shutdown(service);
+ }
+
+ SECTION("invalid listen address") {
+ vereign_error* err = nullptr;
+ auto service = vereign_service_start(
+ "invalid",
+ "",
+ "",
+ "",
+ &err
+ );
+
+ CHECK(service == nullptr);
+ CHECK(err != nullptr);
+
+ vereign_error_free(err);
+ vereign_service_shutdown(service);
+ }
+}
+
+TEST_CASE("vereign_service_selected_port") {
+ vereign_error* err = nullptr;
+ auto service = vereign_service_start(
+ "localhost:",
+ "",
+ "",
+ "",
+ &err
+ );
+
+ REQUIRE(service != nullptr);
+ REQUIRE(err == nullptr);
+
+ auto port = vereign_service_selected_port(service);
+ CHECK((port > 0 && port <= 65535));
+
+ vereign_service_shutdown(service);
+}
+
+TEST_CASE("vereign_service_shutdown") {
+ // shutdown must not fail with nullptr
+ vereign_service_shutdown(nullptr);
+}
diff --git a/cpp/tests/util/protobuf.cc b/cpp/tests/util/protobuf.cc
index 544c577..5350ab1 100644
--- a/cpp/tests/util/protobuf.cc
+++ b/cpp/tests/util/protobuf.cc
@@ -1,4 +1,4 @@
-#include "vereign/grpc/json/encoder.hh"
+#include <vereign/grpc/json/encoder.hh>
#include <util/protobuf.hh>
#include <google/protobuf/util/json_util.h>
diff --git a/cpp/vendor/CMakeLists.txt b/cpp/vendor/CMakeLists.txt
new file mode 100644
index 0000000..79268ff
--- /dev/null
+++ b/cpp/vendor/CMakeLists.txt
@@ -0,0 +1,71 @@
+cmake_minimum_required (VERSION 3.16.5)
+
+if(WIN32)
+ set(CMAKE_IGNORE_PATH "C:/Strawberry/c/bin")
+endif()
+
+project (vereign-vendor)
+
+if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+ add_definitions(-D_WIN32_WINNT=0x0601)
+
+ set(CMAKE_C_FLAGS "/DNDEBUG /DWIN32 /D_WINDOWS /W3")
+ set(CMAKE_CXX_FLAGS "/DNDEBUG /DWIN32 /D_WINDOWS /W3 /GR /EHsc")
+
+ set(CMAKE_C_FLAGS_DEBUG "/MTd /Zi /Ob0 /Od /RTC1")
+ set(CMAKE_CXX_FLAGS_DEBUG "/MTd /Zi /Ob0 /Od /RTC1")
+
+ set(CMAKE_CXX_FLAGS_RELEASE "/Gd /MT /O2 /Oi /Ot /Gy /Zi /GL")
+ set(CMAKE_C_FLAGS_RELEASE "/Gd /MT /O2 /Oi /Ot /Gy /Zi /GL")
+
+ set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded")
+ if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+ set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreadedDebug")
+ endif()
+endif()
+
+if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+ set(CMAKE_C_FLAGS_RELEASE "-g -O3 -Wall -Wextra -pedantic")
+ set(CMAKE_C_FLAGS_DEBUG "-g -O0 -Wall -Wextra -pedantic")
+ set(CMAKE_CXX_FLAGS_RELEASE "-g -O3 -Wall -Wextra -pedantic")
+ set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall -Wextra -pedantic")
+endif()
+
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+ set(CMAKE_C_FLAGS_RELEASE "-g -O3 -Wall -Wextra -pedantic")
+ set(CMAKE_C_FLAGS_DEBUG "-g -O0 -Wall -Wextra -pedantic")
+ set(CMAKE_CXX_FLAGS_RELEASE "-g -O3 -Wall -Wextra -pedantic")
+ set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall -Wextra -pedantic")
+endif()
+
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_EXTENSIONS OFF)
+
+string(TOLOWER "${CMAKE_BUILD_TYPE}" _build_type)
+set(VENDOR_INSTALL_DIR ${CMAKE_SOURCE_DIR}/../cmake-install-vendor-${_build_type} CACHE STRING "vendor directory")
+set(CMAKE_PREFIX_PATH ${VENDOR_INSTALL_DIR} CACHE STRING "")
+option(CMAKE_FIND_USE_CMAKE_SYSTEM_PATH NO)
+
+include(FetchContent)
+include(ExternalProject)
+
+include(fmt.cmake)
+include(boring_ssl.cmake)
+include(boost.cmake)
+include(grpc.cmake)
+include(nlohmann.cmake)
+
+string(TOUPPER "${CMAKE_BUILD_TYPE}" _build_type)
+message(STATUS "Summary:
+
+ Vendor install dir: ${VENDOR_INSTALL_DIR}
+ Compiler:
+ Build type: ${CMAKE_BUILD_TYPE}
+ C compiler: ${CMAKE_C_COMPILER}
+ CFLAGS: ${CMAKE_C_FLAGS_${_build_type}} ${CMAKE_C_FLAGS}
+ C++ compiler: ${CMAKE_CXX_COMPILER}
+ CXXFLAGS: ${CMAKE_CXX_FLAGS_${_build_type}} ${CMAKE_CXX_FLAGS}
+ WARNCFLAGS: ${WARNCFLAGS}
+ CXX1XCXXFLAGS: ${CXX1XCXXFLAGS}
+ CMAKE_MSVC_RUNTIME_LIBRARY: ${CMAKE_MSVC_RUNTIME_LIBRARY}
+")
diff --git a/cpp/vendor/boost.cmake b/cpp/vendor/boost.cmake
new file mode 100644
index 0000000..e0dfc1c
--- /dev/null
+++ b/cpp/vendor/boost.cmake
@@ -0,0 +1,38 @@
+include(ExternalProject)
+
+set(_boost_libs regex system thread)
+
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+ list(TRANSFORM _boost_libs PREPEND --with-)
+
+ set(_configure_command <SOURCE_DIR>/bootstrap.bat)
+ set(_build_command <SOURCE_DIR>/b2 install --prefix=<INSTALL_DIR> ${_boost_libs} link=static)
+ set(_install_command "")
+elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+ set(_boost_toolset clang)
+ set(_boost_cxx_flags "-std=c++${CMAKE_CXX_STANDARD} -fPIC")
+ set(_boost_c_flags "-fPIC")
+ string(REPLACE ";" "," _boost_libs "${_boost_libs}")
+
+ set(_configure_command <SOURCE_DIR>/bootstrap.sh --prefix=<INSTALL_DIR> --with-toolset=${_boost_toolset} --with-libraries=${_boost_libs})
+ set(_build_command <SOURCE_DIR>/b2 toolset=${_boost_toolset} cxxflags=${_boost_cxx_flags} cflags=${_boost_c_flags})
+ set(_install_command <SOURCE_DIR>/b2 install)
+endif()
+
+ExternalProject_Add(boostlib
+ PREFIX boost
+ URL https://dl.bintray.com/boostorg/release/1.72.0/source/boost_1_72_0.zip
+ URL_HASH SHA256=8c20440aaba21dd963c0f7149517445f50c62ce4eb689df2b5544cc89e6e621e
+ BUILD_IN_SOURCE ON
+ INSTALL_DIR ${VENDOR_INSTALL_DIR}/boost
+
+ USES_TERMINAL_DOWNLOAD ON
+ USES_TERMINAL_UPDATE ON
+ USES_TERMINAL_CONFIGURE ON
+ USES_TERMINAL_BUILD ON
+ USES_TERMINAL_INSTALL ON
+
+ CONFIGURE_COMMAND "${_configure_command}"
+ BUILD_COMMAND "${_build_command}"
+ INSTALL_COMMAND "${_install_command}"
+)
diff --git a/cpp/vendor/boring_ssl.cmake b/cpp/vendor/boring_ssl.cmake
new file mode 100644
index 0000000..91cfaa7
--- /dev/null
+++ b/cpp/vendor/boring_ssl.cmake
@@ -0,0 +1,44 @@
+
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+ set(_install_command
+ ${CMAKE_COMMAND} -E copy crypto.lib <INSTALL_DIR>/lib/crypto.lib
+ COMMAND ${CMAKE_COMMAND} -E copy ssl.lib <INSTALL_DIR>/lib/ssl.lib
+ COMMAND ${CMAKE_COMMAND} -E copy_directory <SOURCE_DIR>/src/include <INSTALL_DIR>/include
+ )
+elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+ set(_install_command
+ ${CMAKE_COMMAND} -E copy libcrypto.a <INSTALL_DIR>/lib/libcrypto.a
+ COMMAND ${CMAKE_COMMAND} -E copy libssl.a <INSTALL_DIR>/lib/libssl.a
+ COMMAND ${CMAKE_COMMAND} -E copy_directory <SOURCE_DIR>/src/include <INSTALL_DIR>/include
+ )
+endif()
+
+ExternalProject_Add(boringssllib
+ PREFIX boringssl
+ GIT_REPOSITORY git@github.com:google/boringssl.git
+ GIT_TAG 1c2769383f027befac5b75b6cedd25daf3bf4dcf
+ INSTALL_DIR ${VENDOR_INSTALL_DIR}/boringssl
+
+ USES_TERMINAL_DOWNLOAD ON
+ USES_TERMINAL_UPDATE ON
+ USES_TERMINAL_CONFIGURE ON
+ USES_TERMINAL_BUILD ON
+ USES_TERMINAL_INSTALL ON
+
+ CMAKE_CACHE_ARGS
+ -DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
+ -DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
+ -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
+ -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
+ -DCMAKE_MSVC_RUNTIME_LIBRARY:STRING=${CMAKE_MSVC_RUNTIME_LIBRARY}
+ -DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS}
+ -DCMAKE_CXX_FLAGS:STRING=${CMAKE_CXX_FLAGS}
+ -DCMAKE_C_FLAGS_DEBUG:STRING=${CMAKE_C_FLAGS_DEBUG}
+ -DCMAKE_CXX_FLAGS_DEBUG:STRING=${CMAKE_CXX_FLAGS_DEBUG}
+ -DCMAKE_C_FLAGS_RELEASE:STRING=${CMAKE_C_FLAGS_RELEASE}
+ -DCMAKE_CXX_FLAGS_RELEASE:STRING=${CMAKE_CXX_FLAGS_RELEASE}
+ -DBUILD_SHARED_LIBS:BOOL=OFF
+ -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
+
+ INSTALL_COMMAND "${_install_command}"
+)
diff --git a/cpp/vendor/fmt.cmake b/cpp/vendor/fmt.cmake
new file mode 100644
index 0000000..3fd86d8
--- /dev/null
+++ b/cpp/vendor/fmt.cmake
@@ -0,0 +1,48 @@
+# set(FETCHCONTENT_QUIET OFF)
+# set(FETCHCONTENT_BASE_DIR "${CMAKE_SOURCE_DIR}/cmake-build-vendor")
+# FetchContent_Declare(
+# fmt
+# GIT_REPOSITORY git@github.com:fmtlib/fmt.git
+# GIT_TAG 6.2.0
+# )
+# FetchContent_MakeAvailable(fmt)
+
+ExternalProject_Add(fmtlib
+ PREFIX fmt
+ GIT_REPOSITORY git@github.com:fmtlib/fmt.git
+ GIT_TAG 6.2.0
+ INSTALL_DIR ${VENDOR_INSTALL_DIR}/fmt
+
+ USES_TERMINAL_DOWNLOAD ON
+ USES_TERMINAL_UPDATE ON
+ USES_TERMINAL_CONFIGURE ON
+ USES_TERMINAL_BUILD ON
+ USES_TERMINAL_INSTALL ON
+
+ CMAKE_CACHE_ARGS
+ -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
+ -DCMAKE_MSVC_RUNTIME_LIBRARY:STRING=${CMAKE_MSVC_RUNTIME_LIBRARY}
+ -DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
+ -DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
+ -DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS}
+ -DCMAKE_CXX_FLAGS:STRING=${CMAKE_CXX_FLAGS}
+ -DCMAKE_C_FLAGS_DEBUG:STRING=${CMAKE_C_FLAGS_DEBUG}
+ -DCMAKE_CXX_FLAGS_DEBUG:STRING=${CMAKE_CXX_FLAGS_DEBUG}
+ -DCMAKE_C_FLAGS_RELEASE:STRING=${CMAKE_C_FLAGS_RELEASE}
+ -DCMAKE_CXX_FLAGS_RELEASE:STRING=${CMAKE_CXX_FLAGS_RELEASE}
+ -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
+ -DFMT_TEST:BOOL=OFF
+)
+
+# ExternalProject_Get_Property(fmtlib INSTALL_DIR)
+# set(FMT_LIB ${INSTALL_DIR} PARENT_SCOPE)
+#
+# add_library(fmt STATIC IMPORTED GLOBAL)
+# set_property(TARGET fmt PROPERTY IMPORTED_LOCATION_DEBUG ${INSTALL_DIR}/lib/libfmtd.a)
+# set_property(TARGET fmt PROPERTY IMPORTED_LOCATION_RELEASE ${INSTALL_DIR}/lib/libfmt.a)
+# target_include_directories(fmt INTERFACE
+# $<BUILD_INTERFACE:${INSTALL_DIR}/include>
+## $<INSTALL_INTERFACE:include/mylib> # <prefix>/include/mylib
+# )
+# add_dependencies(fmt fmtlib)
+
diff --git a/cpp/vendor/grpc.cmake b/cpp/vendor/grpc.cmake
new file mode 100644
index 0000000..db85269
--- /dev/null
+++ b/cpp/vendor/grpc.cmake
@@ -0,0 +1,26 @@
+
+ExternalProject_Add(grpclib
+ PREFIX grpc
+ GIT_REPOSITORY git@github.com:grpc/grpc.git
+ GIT_TAG v1.28.1
+ GIT_SHALLOW ON
+ INSTALL_DIR ${VENDOR_INSTALL_DIR}/grpc
+ DEPENDS boringssllib
+
+ USES_TERMINAL_DOWNLOAD ON
+ USES_TERMINAL_UPDATE ON
+ USES_TERMINAL_CONFIGURE ON
+ USES_TERMINAL_BUILD ON
+ USES_TERMINAL_INSTALL ON
+
+ CMAKE_CACHE_ARGS
+ -DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
+ -DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
+ -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
+ -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
+ -DBUILD_SHARED_LIBS:BOOL=OFF
+ -DgRPC_SSL_PROVIDER:STRING=package
+ -DOPENSSL_USE_STATIC_LIBS:BOOL=ON
+ -DOPENSSL_ROOT_DIR:STRING=${VENDOR_INSTALL_DIR}/boringssl
+ -DgRPC_INSTALL:BOOL=ON
+)
diff --git a/cpp/vendor/nlohmann.cmake b/cpp/vendor/nlohmann.cmake
new file mode 100644
index 0000000..9327243
--- /dev/null
+++ b/cpp/vendor/nlohmann.cmake
@@ -0,0 +1,27 @@
+
+ExternalProject_Add(nlohmannlib
+ PREFIX nlohmann
+ GIT_REPOSITORY git@github.com:nlohmann/json.git
+ GIT_TAG v3.7.3
+ INSTALL_DIR ${VENDOR_INSTALL_DIR}/nlohmann
+
+ USES_TERMINAL_DOWNLOAD ON
+ USES_TERMINAL_UPDATE ON
+ USES_TERMINAL_CONFIGURE ON
+ USES_TERMINAL_BUILD ON
+ USES_TERMINAL_INSTALL ON
+
+ CMAKE_CACHE_ARGS
+ -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
+ -DCMAKE_MSVC_RUNTIME_LIBRARY:STRING=${CMAKE_MSVC_RUNTIME_LIBRARY}
+ -DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
+ -DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
+ -DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS}
+ -DCMAKE_CXX_FLAGS:STRING=${CMAKE_CXX_FLAGS}
+ -DCMAKE_C_FLAGS_DEBUG:STRING=${CMAKE_C_FLAGS_DEBUG}
+ -DCMAKE_CXX_FLAGS_DEBUG:STRING=${CMAKE_CXX_FLAGS_DEBUG}
+ -DCMAKE_C_FLAGS_RELEASE:STRING=${CMAKE_C_FLAGS_RELEASE}
+ -DCMAKE_CXX_FLAGS_RELEASE:STRING=${CMAKE_CXX_FLAGS_RELEASE}
+ -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
+ -DJSON_BuildTests:BOOL=OFF
+)
--
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