Proof of concept invoking remote ping call

.gitignore

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+.clangd
+tags
+compile_commands.json

.gitmodules

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+[submodule "subprojects/restc-cpp"]
+	path = subprojects/restc-cpp/restc-cpp
+	url = https://github.com/jgaa/restc-cpp.git
+[submodule "subprojects/date"]
+	path = subprojects/date
+	url = https://github.com/HowardHinnant/date.git

main.cpp

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+#define HAS_UNCAUGHT_EXCEPTIONS 1
+
+#include <restc-cpp/restc-cpp.h>
+#include <restc-cpp/RequestBuilder.h>
+#include <boost/date_time/local_time/local_time.hpp>
+#include <string>
+//#include <boost/lexical_cast.hpp>
+#include <boost/fusion/adapted.hpp>
+#include <iostream>
+#include "date/date.h"
+
+namespace rc = restc_cpp;
+namespace lt = boost::local_time;
+
+namespace oro {
+	typedef date::sys_time<std::chrono::microseconds> timestamp_t;
+
+	struct Timestamp {
+		Timestamp& operator= (const std::string& str) {
+			std::istringstream iss(str);
+			date::from_stream(iss, "%FT%T%Ez", ts);
+			return *this;
+		}
+
+		timestamp_t ts;
+	};
+
+	struct Ping {
+		Timestamp generation_timestamp;
+		std::string message;
+		int version;
+	};
+} //namespace oro
+
+BOOST_FUSION_ADAPT_STRUCT(
+	oro::Ping,
+	(oro::Timestamp, generation_timestamp)
+	(std::string, message)
+	(int, version)
+)
+
+int main() {
+	using date::operator<<;
+
+	auto rest_client = rc::RestClient::Create();
+	oro::Ping ping = rest_client->ProcessWithPromiseT<oro::Ping>([&](rc::Context& ctx) {
+		oro::Ping ping;
+		std::unique_ptr<rc::Reply> reply = rc::RequestBuilder(ctx)
+			.Get("https://api.originsro.org/api/v1/ping")
+			.Header("X-Client", "RESTC_CPP")
+			.Header("X-Client-Purpose", "Testing")
+			.Execute();
+
+		std::cout << "I got X-RateLimit-Limit: " << *reply->GetHeader("X-RateLimit-Limit") << '\n';
+
+		rc::SerializeFromJson(ping, std::move(reply));
+		return ping;
+	}).get();
+
+	std::cout << "Response received:\n\ttimestamp: " << ping.generation_timestamp.ts;
+	std::cout << "\n\tmessage: " << ping.message;
+	std::cout << "\n\tversion: " << ping.version;
+
+	std::cout << std::endl;
+	return 0;
+}

meson.build

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+project('orotool', 'cpp',
+  version: '0.1.0',
+  meson_version: '>=0.49.2',
+  default_options: ['buildtype=debug', 'cpp_std=gnu++17'],
+  license: 'GPL3+',
+)
+
+restc_cpp_dep = dependency('restc-cpp', version: '>=0.1.1',
+  fallback: ['restc-cpp', 'restc_cpp_dep'],
+  default_options: [
+	'restc_cpp_with_unit_tests=false',
+  ],
+)
+boost_dep = dependency('Boost', modules: ['date_time'])
+
+date_incdir = include_directories('subprojects/date/include')
+
+executable(meson.project_name(),
+  'main.cpp',
+  install: true,
+  dependencies: [restc_cpp_dep, boost_dep],
+  include_directories: date_incdir,
+)

subprojects/date

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+Subproject commit a55f1a103b9d21a0440fde0fb9ea5cf547826af6

subprojects/restc-cpp/include/restc-cpp/meson.build

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+conf = configuration_data()
+
+cpp = meson.get_compiler('cpp')
+
+conf.set('RESTC_CPP_WITH_UNIT_TESTS', get_option('restc_cpp_with_unit_tests') ? 1 : false)
+conf.set('RESTC_CPP_WITH_TLS', get_option('restc_cpp_with_tls') ? 1 : false)
+conf.set('RESTC_CPP_LOG_WITH_BOOST_LOG', get_option('restc_cpp_log_with_boost_log') ? 1 : false)
+conf.set('RESTC_CPP_WITH_ZLIB', get_option('restc_cpp_with_zlib') ? 1 : false)
+conf.set('RESTC_CPP_HAVE_BOOST_TYPEINDEX', cpp.has_header('boost/type_index.hpp') ? 1 : false)
+conf.set('RESTC_CPP_LOG_JSON_SERIALIZATION', get_option('restc_cpp_log_json_serialization') ? 1 : false)
+if get_option('cpp_std') == 'gnu++17' or get_option('cpp_std') == 'c++17'
+  conf.set('RESTC_CPP_USE_CPP17', 1)
+else
+  conf.set('RESTC_CPP_USE_CPP17', false)
+endif
+conf.set('RESTC_CPP_MAX_INPUT_BUFFER_LENGTH', get_option('restc_cpp_max_input_buffer_length'))
+
+project_config_file = configure_file(
+	input: config_template,
+	output: 'config.h',
+	configuration: conf,
+	format: 'cmake',
+)

subprojects/restc-cpp/meson.build

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+project('restc-cpp', 'cpp',
+  version: '0.9.2',
+  meson_version: '>=0.49.2',
+  default_options: ['cpp_std=gnu++17'],
+)
+
+config_template = files('restc-cpp/config.h.template')
+if get_option('restc_cpp_with_zlib')
+  zipreaderimpl = files('restc-cpp/src/ZipReaderImpl.cpp')
+endif
+compiler_opts = ['-DBOOST_COROUTINE_NO_DEPRECATION_WARNING=1']
+
+thread_dep = dependency('threads')
+boost_dep = dependency('boost',
+  modules: [
+	'system', 'program_options', 'filesystem', 'date_time',
+	'context', 'coroutine', 'chrono', 'log'
+  ]
+)
+
+if not get_option('embedded_restc_cpp')
+  if get_option('restc_cpp_with_zlib')
+	zlib_dep = dependency('zlib')
+  endif
+  if get_option('restc_cpp_with_tls')
+	tls_dep = dependency('OpenSSL')
+  endif
+endif
+
+pvt_incdir = include_directories('restc-cpp/src')
+pub_incdir = include_directories('restc-cpp/include', 'include')
+
+subdir('include/restc-cpp')
+
+restc_cpp_target = library(meson.project_name(),
+  'restc-cpp/src/ChunkedReaderImpl.cpp',
+  'restc-cpp/src/ChunkedWriterImpl.cpp',
+  'restc-cpp/src/IoReaderImpl.cpp',
+  'restc-cpp/src/IoWriterImpl.cpp',
+  'restc-cpp/src/PlainReaderImpl.cpp',
+  'restc-cpp/src/PlainWriterImpl.cpp',
+  'restc-cpp/src/NoBodyReaderImpl.cpp',
+  'restc-cpp/src/DataReaderStream.cpp',
+  'restc-cpp/src/RestClientImpl.cpp',
+  'restc-cpp/src/RequestImpl.cpp',
+  'restc-cpp/src/ReplyImpl.cpp',
+  'restc-cpp/src/ConnectionPoolImpl.cpp',
+  'restc-cpp/src/Url.cpp',
+  'restc-cpp/src/RequestBodyStringImpl.cpp',
+  'restc-cpp/src/RequestBodyFileImpl.cpp',
+  'restc-cpp/src/url_encode.cpp',
+  zipreaderimpl,
+  install: true,
+  include_directories: [pvt_incdir, pub_incdir],
+  dependencies: [zlib_dep, tls_dep, thread_dep, boost_dep],
+  cpp_args: compiler_opts,
+)
+
+restc_cpp_dep = declare_dependency(
+  link_with: restc_cpp_target,
+  include_directories: pub_incdir,
+  compile_args: compiler_opts,
+  dependencies: [tls_dep, thread_dep, boost_dep],
+)
+
+if get_option('restc_cpp_with_unit_tests')
+  #subdir('tests')
+endif

subprojects/restc-cpp/meson_options.txt

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+option('restc_cpp_max_input_buffer_length', type: 'integer', value: 0x7fffffff)
+option('embedded_restc_cpp', type: 'boolean', value: false)
+option('restc_cpp_with_unit_tests', type: 'boolean', value: false)
+option('restc_cpp_with_tls', type: 'boolean', value: true)
+option('restc_cpp_log_with_boost_log', type: 'boolean', value: true)
+option('restc_cpp_with_zlib', type: 'boolean', value: true)
+option('restc_cpp_log_json_serialization', type: 'boolean', value: false)

subprojects/restc-cpp/restc-cpp

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+Subproject commit c2b893a3979c92ab94137203294badc1c26513cd