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-rw-r--r--apps/http-server/http-server/http_server.cc409
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diff --git a/apps/http-server/http-server/http_server.cc b/apps/http-server/http-server/http_server.cc
deleted file mode 100644
index a2e911e10..000000000
--- a/apps/http-server/http-server/http_server.cc
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
- * Copyright (c) 2019 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "http_server.h"
-
-#include <asio.hpp>
-#include <fstream>
-#include <istream>
-
-namespace icn_httpserver {
-
-HttpServer::HttpServer(unsigned short port, std::string icn_name,
- size_t num_threads, long timeout_request,
- long timeout_send_or_receive)
- : config_(port, num_threads),
- internal_io_service_(std::make_shared<asio::io_service>()),
- io_service_(*internal_io_service_),
- acceptor_(io_service_),
- icn_name_(icn_name),
- timeout_request_(timeout_request),
- timeout_content_(timeout_send_or_receive) {}
-
-HttpServer::HttpServer(unsigned short port, std::string icn_name,
- size_t num_threads, long timeout_request,
- long timeout_send_or_receive,
- asio::io_service &ioService)
- : config_(port, num_threads),
- io_service_(ioService),
- acceptor_(io_service_),
- icn_name_(icn_name),
- timeout_request_(timeout_request),
- timeout_content_(timeout_send_or_receive) {}
-
-void HttpServer::onIcnRequest(
- std::shared_ptr<libl4::http::HTTPServerPublisher> &publisher,
- const uint8_t *buffer, std::size_t size, int request_id) {
- std::shared_ptr<Request> request = std::make_shared<IcnRequest>(publisher);
- request->getContent().rdbuf()->sputn((char *)buffer, size);
-
- if (!parse_request(request, request->getContent())) {
- return;
- }
-
- std::map<int, std::shared_ptr<libl4::http::HTTPServerPublisher>>
- &icn_publishers = icn_acceptor_->getPublishers();
-
- std::unique_lock<std::mutex> lock(thread_list_mtx_);
- if (icn_publishers.size() < config_.getNum_threads()) {
- std::cout << "Received request for: " << request->getPath() << std::endl;
-
- publisher->attachPublisher();
- std::cout << "Starting new thread" << std::endl;
- io_service_.dispatch([this, request, request_id]() {
- std::map<int, std::shared_ptr<libl4::http::HTTPServerPublisher>>
- &icn_publishers = icn_acceptor_->getPublishers();
- find_resource(nullptr, request);
- icn_publishers[request_id]->serveClients();
- std::unique_lock<std::mutex> lock(thread_list_mtx_);
- icn_publishers.erase(request_id);
- });
- }
-}
-
-void HttpServer::setIcnAcceptor() {
- icn_acceptor_ = std::make_shared<libl4::http::HTTPServerAcceptor>(
- icn_name_, std::bind(&HttpServer::onIcnRequest, this,
- std::placeholders::_1, std::placeholders::_2,
- std::placeholders::_3, std::placeholders::_4));
- icn_acceptor_->listen(true);
-}
-
-void HttpServer::spawnThreads() {
- if (io_service_.stopped()) {
- io_service_.reset();
- }
-
- asio::ip::tcp::endpoint endpoint;
-
- if (config_.getAddress().size() > 0) {
- endpoint = asio::ip::tcp::endpoint(
- asio::ip::address::from_string(config_.getAddress()),
- config_.getPort());
- } else {
- endpoint = asio::ip::tcp::endpoint(asio::ip::tcp::v4(), config_.getPort());
- }
-
- acceptor_.open(endpoint.protocol());
- acceptor_.set_option(
- asio::socket_base::reuse_address(config_.isReuse_address()));
- acceptor_.bind(endpoint);
- acceptor_.listen();
-
- accept();
-
- // If num_threads>1, start m_io_service.run() in (num_threads-1) threads for
- // thread-pooling
- socket_threads_.clear();
- for (size_t c = 1; c < config_.getNum_threads(); c++) {
- socket_threads_.emplace_back([this]() { io_service_.run(); });
- }
-}
-
-void HttpServer::start() {
- // Copy the resources to opt_resource for more efficient request processing
- opt_resource_.clear();
- for (auto &res : resource) {
- for (auto &res_method : res.second) {
- auto it = opt_resource_.end();
- for (auto opt_it = opt_resource_.begin(); opt_it != opt_resource_.end();
- opt_it++) {
- if (res_method.first == opt_it->first) {
- it = opt_it;
- break;
- }
- }
- if (it == opt_resource_.end()) {
- opt_resource_.emplace_back();
- it = opt_resource_.begin() + (opt_resource_.size() - 1);
- it->first = res_method.first;
- }
- it->second.emplace_back(std::regex(res.first), res_method.second);
- }
- }
-
- spawnThreads();
-
- setIcnAcceptor();
-
- // Wait for the rest of the threads, if any, to finish as well
- for (auto &t : socket_threads_) {
- t.join();
- }
- // for (auto &t : icn_threads) {
- // t.second.get();
- // }
-}
-
-void HttpServer::stop() {
- acceptor_.close();
-
- io_service_.stop();
-
- std::map<int, std::shared_ptr<libl4::http::HTTPServerPublisher>>
- &icn_publishers = icn_acceptor_->getPublishers();
-
- for (auto &p : icn_publishers) {
- p.second->stop();
- }
-}
-
-void HttpServer::accept() {
- // Create new socket for this connection
- // Shared_ptr is used to pass temporary objects to the asynchronous functions
- std::shared_ptr<socket_type> socket =
- std::make_shared<socket_type>(io_service_);
-
- acceptor_.async_accept(*socket, [this, socket](const std::error_code &ec) {
- // Immediately start accepting a new connection
- accept();
-
- if (!ec) {
- asio::ip::tcp::no_delay option(true);
- socket->set_option(option);
- read_request_and_content(socket);
- }
- });
-}
-
-void HttpServer::send(std::shared_ptr<Response> response,
- SendCallback callback) const {
- response->send(callback);
-}
-
-std::shared_ptr<asio::steady_timer> HttpServer::set_timeout_on_socket(
- std::shared_ptr<socket_type> socket, long seconds) {
- std::shared_ptr<asio::steady_timer> timer =
- std::make_shared<asio::steady_timer>(io_service_);
- timer->expires_from_now(std::chrono::seconds(seconds));
- timer->async_wait([socket](const std::error_code &ec) {
- if (!ec) {
- std::error_code ec;
- socket->lowest_layer().shutdown(asio::ip::tcp::socket::shutdown_both, ec);
- socket->lowest_layer().close();
- }
- });
- return timer;
-}
-
-void HttpServer::read_request_and_content(std::shared_ptr<socket_type> socket) {
- // Create new streambuf (Request::streambuf) for async_read_until()
- // shared_ptr is used to pass temporary objects to the asynchronous functions
- std::shared_ptr<Request> request = std::make_shared<SocketRequest>();
- request->read_remote_endpoint_data(*socket);
-
- // Set timeout on the following asio::async-read or write function
- std::shared_ptr<asio::steady_timer> timer;
- if (timeout_request_ > 0) {
- timer = set_timeout_on_socket(socket, timeout_request_);
- }
-
- asio::async_read_until(
- *socket, request->getStreambuf(), "\r\n\r\n",
- [this, socket, request, timer](const std::error_code &ec,
- size_t bytes_transferred) {
- if (timeout_request_ > 0) {
- timer->cancel();
- }
- if (!ec) {
- // request->streambuf.size() is not necessarily the same as
- // bytes_transferred, from Asio-docs: "After a successful
- // async_read_until operation, the streambuf may contain additional
- // data beyond the delimiter" The chosen solution is to extract lines
- // from the stream directly when parsing the header. What is left of
- // the streambuf (maybe some bytes of the content) is appended to in
- // the async_read-function below (for retrieving content).
- size_t num_additional_bytes =
- request->getStreambuf().in_avail() - bytes_transferred;
-
- if (!parse_request(request, request->getContent())) {
- return;
- }
-
- // If content, read that as well
- auto it = request->getHeader().find("Content-Length");
- if (it != request->getHeader().end()) {
- // Set timeout on the following asio::async-read or write function
- std::shared_ptr<asio::steady_timer> timer;
- if (timeout_content_ > 0) {
- timer = set_timeout_on_socket(socket, timeout_content_);
- }
- unsigned long long content_length;
- try {
- content_length = atol(it->second.c_str());
- } catch (const std::exception &) {
- return;
- }
- if (content_length > num_additional_bytes) {
- asio::async_read(
- *socket, request->getStreambuf(),
- asio::transfer_exactly(content_length - num_additional_bytes),
- [this, socket, request, timer](const std::error_code &ec,
- size_t /*bytes_transferred*/) {
- if (timeout_content_ > 0) {
- timer->cancel();
- }
- if (!ec) {
- find_resource(socket, request);
- }
- });
- } else {
- if (timeout_content_ > 0) {
- timer->cancel();
- }
-
- find_resource(socket, request);
- }
- } else {
- find_resource(socket, request);
- }
- }
- });
-}
-
-bool HttpServer::parse_request(std::shared_ptr<Request> request,
- std::istream &stream) const {
- std::string line;
- getline(stream, line);
- size_t method_end;
- if ((method_end = line.find(' ')) != std::string::npos) {
- size_t path_end;
- if ((path_end = line.find(' ', method_end + 1)) != std::string::npos) {
- request->setMethod(line.substr(0, method_end));
- request->setPath(line.substr(method_end + 1, path_end - method_end - 1));
-
- size_t protocol_end;
- if ((protocol_end = line.find('/', path_end + 1)) != std::string::npos) {
- if (line.substr(path_end + 1, protocol_end - path_end - 1) != "HTTP") {
- return false;
- }
- request->setHttp_version(
- line.substr(protocol_end + 1, line.size() - protocol_end - 2));
- } else {
- return false;
- }
-
- getline(stream, line);
- size_t param_end;
- while ((param_end = line.find(':')) != std::string::npos) {
- size_t value_start = param_end + 1;
- if ((value_start) < line.size()) {
- if (line[value_start] == ' ') {
- value_start++;
- }
- if (value_start < line.size()) {
- request->getHeader().insert(std::make_pair(
- line.substr(0, param_end),
- line.substr(value_start, line.size() - value_start - 1)));
- }
- }
-
- getline(stream, line);
- }
- } else {
- return false;
- }
- } else {
- return false;
- }
- return true;
-}
-
-void HttpServer::find_resource(std::shared_ptr<socket_type> socket,
- std::shared_ptr<Request> request) {
- // Find path- and method-match, and call write_response
- for (auto &res : opt_resource_) {
- if (request->getMethod() == res.first) {
- for (auto &res_path : res.second) {
- std::smatch sm_res;
- if (std::regex_match(request->getPath(), sm_res, res_path.first)) {
- request->setPath_match(std::move(sm_res));
- write_response(socket, request, res_path.second);
- return;
- }
- }
- }
- }
- auto it_method = default_resource.find(request->getMethod());
- if (it_method != default_resource.end()) {
- write_response(socket, request, it_method->second);
- return;
- }
-
- std::cout << "resource not found" << std::endl;
-}
-
-void HttpServer::write_response(std::shared_ptr<socket_type> socket,
- std::shared_ptr<Request> request,
- ResourceCallback &resource_function) {
- // Set timeout on the following asio::async-read or write function
- std::shared_ptr<asio::steady_timer> timer;
- if (timeout_content_ > 0 && socket) {
- timer = set_timeout_on_socket(socket, timeout_content_);
- }
-
- Response *resp;
-
- if (socket) {
- resp = new SocketResponse(socket);
- } else {
- resp = new IcnResponse(
- std::static_pointer_cast<IcnRequest>(request)->getHttpPublisher(),
- std::static_pointer_cast<IcnRequest>(request)->getName(),
- std::static_pointer_cast<IcnRequest>(request)->getPath());
- }
-
- auto response = std::shared_ptr<Response>(resp, [this, request, timer,
- socket](
- Response *response_ptr) {
- auto response = std::shared_ptr<Response>(response_ptr);
- response->setIsLast(true);
-
- send(response, [this, response, request, timer,
- socket](const std::error_code &ec) {
- if (!ec) {
- if (socket && timeout_content_ > 0) {
- timer->cancel();
- }
-
- float http_version;
- try {
- http_version = atof(request->getHttp_version().c_str());
- } catch (const std::exception &) {
- return;
- }
-
- auto range = request->getHeader().equal_range("Connection");
- for (auto it = range.first; it != range.second; it++) {
- if (caseInsCompare(it->second, "close")) {
- return;
- }
- }
- if (http_version > 1.05 && socket) {
- read_request_and_content(
- std::static_pointer_cast<SocketResponse>(response)->getSocket());
- }
- }
- });
- });
-
- try {
- resource_function(response, request);
- } catch (const std::exception &) {
- return;
- }
-}
-
-} // end namespace icn_httpserver