expresscpp/example/serve_static.cpp at master · cocoa-maemae/expresscpp · GitHub

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// https://expressjs.com/en/resources/middleware/serve-static.html

#include <fstream>

#include <iostream>

#include <map>

#include <memory>

#include <string>

#include <vector>

#include "boost/uuid/uuid_generators.hpp"

#include "boost/uuid/uuid_io.hpp"

#include "expresscpp/console.hpp"

#include "expresscpp/expresscpp.hpp"

#include "expresscpp/middleware/serve_static_provider.hpp"

using namespace expresscpp;

int main() {

ExpressCpp expresscpp;

Console::setLogLevel(LogLevel::kDebug);

// create temp folder for html files

const auto uuid_ = boost::uuids::random_generator()();

const auto tmp_folder = std::filesystem::temp_directory_path();

const std::string doc_root = tmp_folder.string() + "/www-" + boostUUIDToString(uuid_);

std::filesystem::create_directory(doc_root);

std::string index_html_content =

R"(<!doctype html>

<html>

<head>

<title>This is the title of the webpage!</title>

</head>

<body>

<p>This is a paragraph.</p>

</body>

</html>

)";

std::string index_doc_content = R"({"status": "ok"})";

// create html files

{

std::filesystem::path path_to_index_html = doc_root + "/index.html";

std::ofstream index_html_file(path_to_index_html);

index_html_file << index_html_content << std::endl;

index_html_file.close();

assert(std::filesystem::exists(path_to_index_html));

}

// create other doc files such as json

{

std::filesystem::path path_to_doc = doc_root + "/doc.json";

std::ofstream index_doc_file(path_to_doc);

index_doc_file << index_doc_content << std::endl;

index_doc_file.close();

assert(std::filesystem::exists(path_to_doc));

}

StaticFileProvider p(doc_root);

expresscpp.Use(p);

const uint16_t port = 8081u;

// start listening for requests and block until ctrl+C

expresscpp

.Listen(port,

[=](auto ec) {

if (ec) {

std::cerr << "ERROR: " << ec.message() << std::endl;

exit(1);

}

std::cout << "Example app listening on port " << port << std::endl;

std::cout << "go to http://localhost:" << port << std::endl;

})

.Run();

return 0;

}

expresscpp/example/serve_static.cpp at master · cocoa-maemae/expresscpp · GitHub

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