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#pragma once
#include <string>
#include <functional>
#include <memory>
#include <future>
#include <cstdint>
#include <type_traits>
#include <thread>
#include "settings.h"
#include "logging.h"
#include "utility.h"
#include "routing.h"
#include "middleware_context.h"
#include "http_request.h"
#include "http_server.h"
#ifdef CROW_MSVC_WORKAROUND
#define CROW_ROUTE(app, url) app.route_dynamic(url)
#else
#define CROW_ROUTE(app, url) app.route<crow::black_magic::get_parameter_tag(url)>(url)
#endif
namespace crow
{
template <typename ... Middlewares>
class Crow
{
public:
using self_t = Crow;
using server_t = Server<Crow, Middlewares...>;
Crow()
{
}
void handle(const request& req, response& res)
{
router_.handle(req, res);
}
DynamicRule& route_dynamic(std::string&& rule)
{
return router_.new_rule_dynamic(std::move(rule));
}
template <uint64_t Tag>
auto route(std::string&& rule)
-> typename std::result_of<decltype(&Router::new_rule_tagged<Tag>)(Router, std::string&&)>::type
{
return router_.new_rule_tagged<Tag>(std::move(rule));
}
self_t& port(std::uint16_t port)
{
port_ = port;
return *this;
}
self_t& multithreaded()
{
return concurrency(std::thread::hardware_concurrency());
}
self_t& concurrency(std::uint16_t concurrency)
{
if (concurrency < 1)
concurrency = 1;
concurrency_ = concurrency;
return *this;
}
void validate()
{
router_.validate();
}
void run()
{
validate();
server_t server(this, port_, &middlewares_, concurrency_);
server.run();
}
void debug_print()
{
CROW_LOG_DEBUG << "Routing:";
router_.debug_print();
}
// middleware
using context_t = detail::context<Middlewares...>;
template <typename T>
typename T::context& get_context(const request& req)
{
static_assert(black_magic::contains<T, Middlewares...>::value, "App doesn't have the specified middleware type.");
auto& ctx = *reinterpret_cast<context_t*>(req.middleware_context);
return ctx.template get<T>();
}
template <typename T>
T& get_middleware()
{
return utility::get_element_by_type<T, Middlewares...>(middlewares_);
}
private:
uint16_t port_ = 80;
uint16_t concurrency_ = 1;
Router router_;
std::tuple<Middlewares...> middlewares_;
};
template <typename ... Middlewares>
using App = Crow<Middlewares...>;
using SimpleApp = Crow<>;
};
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