smartweb_libhttpserver/examples/service.cpp at master · Teplomonitor/smartweb_libhttpserver · GitHub

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This file is part of libhttpserver

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301

USA

#include <unistd.h>

#include <cstdio>

#include <iostream>

#include <httpserver.hpp>

bool verbose = false;

class service_resource: public httpserver::http_resource {

public:

service_resource();

~service_resource();

std::shared_ptr<httpserver::http_response> render_GET(const httpserver::http_request &req);

std::shared_ptr<httpserver::http_response> render_PUT(const httpserver::http_request &req);

std::shared_ptr<httpserver::http_response> render_POST(const httpserver::http_request &req);

std::shared_ptr<httpserver::http_response> render(const httpserver::http_request &req);

std::shared_ptr<httpserver::http_response> render_HEAD(const httpserver::http_request &req);

std::shared_ptr<httpserver::http_response> render_OPTIONS(const httpserver::http_request &req);

std::shared_ptr<httpserver::http_response> render_CONNECT(const httpserver::http_request &req);

std::shared_ptr<httpserver::http_response> render_DELETE(const httpserver::http_request &req);

};

service_resource::service_resource() { }

service_resource::~service_resource() { }

std::shared_ptr<httpserver::http_response> service_resource::render_GET(const httpserver::http_request &req) {

std::cout << "service_resource::render_GET()" << std::endl;

if (verbose) std::cout << req;

httpserver::string_response* res = new httpserver::string_response("GET response", 200);

if (verbose) std::cout << *res;

return std::shared_ptr<httpserver::http_response>(res);

}

std::shared_ptr<httpserver::http_response> service_resource::render_PUT(const httpserver::http_request &req) {

std::cout << "service_resource::render_PUT()" << std::endl;

if (verbose) std::cout << req;

httpserver::string_response* res = new httpserver::string_response("PUT response", 200);

if (verbose) std::cout << *res;

return std::shared_ptr<httpserver::http_response>(res);

}

std::shared_ptr<httpserver::http_response> service_resource::render_POST(const httpserver::http_request &req) {

std::cout << "service_resource::render_POST()" << std::endl;

if (verbose) std::cout << req;

httpserver::string_response* res = new httpserver::string_response("POST response", 200);

if (verbose) std::cout << *res;

return std::shared_ptr<httpserver::http_response>(res);

}

std::shared_ptr<httpserver::http_response> service_resource::render(const httpserver::http_request &req) {

std::cout << "service_resource::render()" << std::endl;

if (verbose) std::cout << req;

httpserver::string_response* res = new httpserver::string_response("generic response", 200);

if (verbose) std::cout << *res;

return std::shared_ptr<httpserver::http_response>(res);

}

std::shared_ptr<httpserver::http_response> service_resource::render_HEAD(const httpserver::http_request &req) {

std::cout << "service_resource::render_HEAD()" << std::endl;

if (verbose) std::cout << req;

httpserver::string_response* res = new httpserver::string_response("HEAD response", 200);

if (verbose) std::cout << *res;

return std::shared_ptr<httpserver::http_response>(res);

}

std::shared_ptr<httpserver::http_response> service_resource::render_OPTIONS(const httpserver::http_request &req) {

std::cout << "service_resource::render_OPTIONS()" << std::endl;

if (verbose) std::cout << req;

httpserver::string_response* res = new httpserver::string_response("OPTIONS response", 200);

if (verbose) std::cout << *res;

return std::shared_ptr<httpserver::http_response>(res);

}

std::shared_ptr<httpserver::http_response> service_resource::render_CONNECT(const httpserver::http_request &req) {

std::cout << "service_resource::render_CONNECT()" << std::endl;

if (verbose) std::cout << req;

httpserver::string_response* res = new httpserver::string_response("CONNECT response", 200);

if (verbose) std::cout << *res;

return std::shared_ptr<httpserver::http_response>(res);

}

std::shared_ptr<httpserver::http_response> service_resource::render_DELETE(const httpserver::http_request &req) {

std::cout << "service_resource::render_DELETE()" << std::endl;

if (verbose) std::cout << req;

httpserver::string_response* res = new httpserver::string_response("DELETE response", 200);

if (verbose) std::cout << *res;

return std::shared_ptr<httpserver::http_response>(res);

}

void usage() {

std::cout << "Usage:" << std::endl

<< "service [-p <port>][-s [-k <keyFileName>][-c <certFileName>]][-v]" << std::endl;

}

int main(int argc, char **argv) {

uint16_t port = 8080;

int c;

const char *key = "key.pem";

const char *cert = "cert.pem";

bool secure = false;

while ((c = getopt(argc, argv, "p:k:c:sv?")) != EOF) {

switch (c) {

case 'p':

port = strtoul(optarg, nullptr, 10);

break;

case 'k':

key = optarg;

break;

case 'c':

cert = optarg;

break;

case 's':

secure = true;

break;

case 'v':

verbose = true;

break;

default:

usage();

exit(1);

break;

}

std::cout << "Using port " << port << std::endl;

if (secure) {

std::cout << "Key: " << key << " Certificate: " << cert

<< std::endl;

}

// Use builder to define webserver configuration options

httpserver::create_webserver cw = httpserver::create_webserver(port).max_threads(5);

if (secure) {

cw.use_ssl().https_mem_key(key).https_mem_cert(cert);

}

// Create webserver using the configured options

httpserver::webserver ws = cw;

// Create and register service resource available at /service

service_resource res;

ws.register_resource("/service", &res, true);

// Start and block the webserver

ws.start(true);

return 0;

}

smartweb_libhttpserver/examples/service.cpp at master · Teplomonitor/smartweb_libhttpserver · GitHub

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