nghttp2/examples/asio-sv2.cc

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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2014 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
// We wrote this code based on the original code which has the
// following license:
//
// main.cpp
// ~~~~~~~~
//
// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include <sys/types.h>
#include <sys/stat.h>
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#ifdef HAVE_UNISTD_H
#include <unistd.h>
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#endif // HAVE_UNISTD_H
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
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#endif // HAVE_FCNTL_H
#include <iostream>
#include <string>
#include <thread>
#include <nghttp2/asio_http2_server.h>
using namespace nghttp2::asio_http2;
using namespace nghttp2::asio_http2::server;
namespace {
void run_forever(boost::asio::io_service &io_service, size_t num_threads) {
std::vector<std::thread> ts;
for (size_t i = 0; i < num_threads; ++i) {
ts.emplace_back([&io_service]() { io_service.run(); });
}
for (auto &t : ts) {
t.join();
}
}
} // namespace
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int main(int argc, char *argv[]) {
try {
// Check command line arguments.
if (argc < 5) {
std::cerr << "Usage: asio-sv2 <address> <port> <threads> <doc-root> "
<< "[<private-key-file> <cert-file>]\n";
return 1;
}
boost::system::error_code ec;
std::string addr = argv[1];
std::string port = argv[2];
std::size_t num_threads = std::stoi(argv[3]);
std::string docroot = argv[4];
boost::asio::io_service io_service;
http2 server(io_service);
server.handle("/", [&docroot](const request &req, const response &res) {
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auto path = percent_decode(req.uri().path);
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if (!check_path(path)) {
res.write_head(404);
res.end();
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return;
}
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if (path == "/") {
path = "/index.html";
}
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path = docroot + path;
auto fd = open(path.c_str(), O_RDONLY);
if (fd == -1) {
res.write_head(404);
res.end();
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return;
}
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auto header = header_map();
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struct stat stbuf;
if (stat(path.c_str(), &stbuf) == 0) {
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header.emplace("content-length",
header_value{std::to_string(stbuf.st_size)});
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header.emplace("last-modified",
header_value{http_date(stbuf.st_mtime)});
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}
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res.write_head(200, std::move(header));
res.end(file_generator_from_fd(fd));
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});
if (argc >= 7) {
boost::asio::ssl::context tls(boost::asio::ssl::context::sslv23);
tls.use_private_key_file(argv[5], boost::asio::ssl::context::pem);
tls.use_certificate_chain_file(argv[6]);
configure_tls_context_easy(ec, tls);
if (server.listen_and_serve(ec, tls, addr, port)) {
std::cerr << "error: " << ec.message() << std::endl;
}
run_forever(io_service, num_threads);
} else {
if (server.listen_and_serve(ec, addr, port)) {
std::cerr << "error: " << ec.message() << std::endl;
}
run_forever(io_service, num_threads);
}
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} catch (std::exception &e) {
std::cerr << "exception: " << e.what() << "\n";
}
return 0;
}