crow テスト

main.cc

#include <crow.h>
#include <stdio.h>
#include <string>
#include <sstream>
#include <slankdev/string.h>

struct S {
  int a;
  int b;
  int c;
  void show() const
  {
    printf("a: %d \n", a);
    printf("b: %d \n", b);
    printf("c: %d \n", c);
  }
};

struct MiddleWare {
  S* ptr;
  struct context {};
  void before_handle(crow::request&, crow::response&, context&) {}
  void after_handle(crow::request&, crow::response&, context&) {}
};

int main()
{
  crow::App<MiddleWare> app;
  S s;
  app.get_middleware<MiddleWare>().ptr = &s;

  CROW_ROUTE(app,"/print") ( [&]() {
      crow::json::wvalue x;
      S* s = app.get_middleware<MiddleWare>().ptr;
      x["a"] = slankdev::format("%d", s->a);
      x["b"] = slankdev::format("%d", s->b);
      x["c"] = slankdev::format("%d", s->c);
      return x;
  });

  CROW_ROUTE(app, "/<str>").methods(crow::HTTPMethod::GET) (
      [&](std::string str)
    {
      S* s = app.get_middleware<MiddleWare>().ptr;
      if (str == "a")      return std::to_string(s->a).c_str();
      else if (str == "b") return std::to_string(s->b).c_str();
      else if (str == "c") return std::to_string(s->c).c_str();
      else return "";
    }
  );

  CROW_ROUTE(app, "/valset/<str>").methods(crow::HTTPMethod::POST) (
      [&](const crow::request& req, std::string str)
    {
      auto x = crow::json::load(req.body);
      if (!x) {
        printf("json error: \n%s\n\n", req.body.c_str());
        return "JSON ERR\n";
      }

      S* s = app.get_middleware<MiddleWare>().ptr;

      if (str == "a")      s->a = x["a"].i();
      else if (str == "b") s->a = x["b"].i();
      else if (str == "c") s->a = x["c"].i();
      else return "error\n";

      if (str == "a")      return std::to_string(s->a).c_str();
      else if (str == "b") return std::to_string(s->b).c_str();
      else if (str == "c") return std::to_string(s->c).c_str();
      else return "error\n";
    }
  );

  app.loglevel(crow::LogLevel::Critical);
  app.port(8888).run();
}

Makefile

LIBSLANKDEV := $(HOME)/git/libslankdev
CXXFLAGS += -I$(LIBSLANKDEV) -std=c++11 -I$(HOME)
LDFLAGS += -lboost_system

all:
	$(CXX) $(CXXFLAGS) main.cc $(LDFLAGS)