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authoripknHama <ipknhama@gmail.com>2016-09-21 23:11:06 +0900
committeripknHama <ipknhama@gmail.com>2016-09-21 23:11:06 +0900
commit3081e4e1a82a4efd8feff68850c4cc04af230cd7 (patch)
tree3ad16ef2e940abd2d47c4ac3ca224365387b7f37 /include/http_server.h
parent8b04940d2f28290451db439ad29155a0b8771ba3 (diff)
downloadcrow-3081e4e1a82a4efd8feff68850c4cc04af230cd7.tar.gz
crow-3081e4e1a82a4efd8feff68850c4cc04af230cd7.zip
Cleanup include folder into crow subfolder
- only crow.h is exposed now
Diffstat (limited to 'include/http_server.h')
-rw-r--r--include/http_server.h227
1 files changed, 0 insertions, 227 deletions
diff --git a/include/http_server.h b/include/http_server.h
deleted file mode 100644
index 49c4ef0..0000000
--- a/include/http_server.h
+++ /dev/null
@@ -1,227 +0,0 @@
-#pragma once
-
-#include <chrono>
-#include <boost/date_time/posix_time/posix_time.hpp>
-#include <boost/asio.hpp>
-#ifdef CROW_ENABLE_SSL
-#include <boost/asio/ssl.hpp>
-#endif
-#include <cstdint>
-#include <atomic>
-#include <future>
-#include <vector>
-
-#include <memory>
-
-#include "http_connection.h"
-#include "logging.h"
-#include "dumb_timer_queue.h"
-
-namespace crow
-{
- using namespace boost;
- using tcp = asio::ip::tcp;
-
- template <typename Handler, typename Adaptor = SocketAdaptor, typename ... Middlewares>
- class Server
- {
- public:
- Server(Handler* handler, std::string bindaddr, uint16_t port, std::tuple<Middlewares...>* middlewares = nullptr, uint16_t concurrency = 1, typename Adaptor::context* adaptor_ctx = nullptr)
- : acceptor_(io_service_, tcp::endpoint(boost::asio::ip::address::from_string(bindaddr), port)),
- signals_(io_service_, SIGINT, SIGTERM),
- tick_timer_(io_service_),
- handler_(handler),
- concurrency_(concurrency),
- port_(port),
- bindaddr_(bindaddr),
- middlewares_(middlewares),
- adaptor_ctx_(adaptor_ctx)
- {
- }
-
- void set_tick_function(std::chrono::milliseconds d, std::function<void()> f)
- {
- tick_interval_ = d;
- tick_function_ = f;
- }
-
- void on_tick()
- {
- tick_function_();
- tick_timer_.expires_from_now(boost::posix_time::milliseconds(tick_interval_.count()));
- tick_timer_.async_wait([this](const boost::system::error_code& ec)
- {
- if (ec)
- return;
- on_tick();
- });
- }
-
- void run()
- {
- if (concurrency_ < 0)
- concurrency_ = 1;
-
- for(int i = 0; i < concurrency_; i++)
- io_service_pool_.emplace_back(new boost::asio::io_service());
- get_cached_date_str_pool_.resize(concurrency_);
- timer_queue_pool_.resize(concurrency_);
-
- std::vector<std::future<void>> v;
- std::atomic<int> init_count(0);
- for(uint16_t i = 0; i < concurrency_; i ++)
- v.push_back(
- std::async(std::launch::async, [this, i, &init_count]{
-
- // thread local date string get function
- auto last = std::chrono::steady_clock::now();
-
- std::string date_str;
- auto update_date_str = [&]
- {
- auto last_time_t = time(0);
- tm my_tm;
-
-#ifdef _MSC_VER
- gmtime_s(&my_tm, &last_time_t);
-#else
- gmtime_r(&last_time_t, &my_tm);
-#endif
- date_str.resize(100);
- size_t date_str_sz = strftime(&date_str[0], 99, "%a, %d %b %Y %H:%M:%S GMT", &my_tm);
- date_str.resize(date_str_sz);
- };
- update_date_str();
- get_cached_date_str_pool_[i] = [&]()->std::string
- {
- if (std::chrono::steady_clock::now() - last >= std::chrono::seconds(1))
- {
- last = std::chrono::steady_clock::now();
- update_date_str();
- }
- return date_str;
- };
-
- // initializing timer queue
- detail::dumb_timer_queue timer_queue;
- timer_queue_pool_[i] = &timer_queue;
-
- timer_queue.set_io_service(*io_service_pool_[i]);
- boost::asio::deadline_timer timer(*io_service_pool_[i]);
- timer.expires_from_now(boost::posix_time::seconds(1));
-
- std::function<void(const boost::system::error_code& ec)> handler;
- handler = [&](const boost::system::error_code& ec){
- if (ec)
- return;
- timer_queue.process();
- timer.expires_from_now(boost::posix_time::seconds(1));
- timer.async_wait(handler);
- };
- timer.async_wait(handler);
-
- init_count ++;
- try
- {
- io_service_pool_[i]->run();
- } catch(std::exception& e)
- {
- CROW_LOG_ERROR << "Worker Crash: An uncaught exception occurred: " << e.what();
- }
- }));
-
- if (tick_function_ && tick_interval_.count() > 0)
- {
- tick_timer_.expires_from_now(boost::posix_time::milliseconds(tick_interval_.count()));
- tick_timer_.async_wait([this](const boost::system::error_code& ec)
- {
- if (ec)
- return;
- on_tick();
- });
- }
-
- CROW_LOG_INFO << server_name_ << " server is running, local port " << port_;
-
- signals_.async_wait(
- [&](const boost::system::error_code& /*error*/, int /*signal_number*/){
- stop();
- });
-
- while(concurrency_ != init_count)
- std::this_thread::yield();
-
- do_accept();
-
- std::thread([this]{
- io_service_.run();
- CROW_LOG_INFO << "Exiting.";
- }).join();
- }
-
- void stop()
- {
- io_service_.stop();
- for(auto& io_service:io_service_pool_)
- io_service->stop();
- }
-
- private:
- asio::io_service& pick_io_service()
- {
- // TODO load balancing
- roundrobin_index_++;
- if (roundrobin_index_ >= io_service_pool_.size())
- roundrobin_index_ = 0;
- return *io_service_pool_[roundrobin_index_];
- }
-
- void do_accept()
- {
- asio::io_service& is = pick_io_service();
- auto p = new Connection<Adaptor, Handler, Middlewares...>(
- is, handler_, server_name_, middlewares_,
- get_cached_date_str_pool_[roundrobin_index_], *timer_queue_pool_[roundrobin_index_],
- adaptor_ctx_);
- acceptor_.async_accept(p->socket(),
- [this, p, &is](boost::system::error_code ec)
- {
- if (!ec)
- {
- is.post([p]
- {
- p->start();
- });
- }
- do_accept();
- });
- }
-
- private:
- asio::io_service io_service_;
- std::vector<std::unique_ptr<asio::io_service>> io_service_pool_;
- std::vector<detail::dumb_timer_queue*> timer_queue_pool_;
- std::vector<std::function<std::string()>> get_cached_date_str_pool_;
- tcp::acceptor acceptor_;
- boost::asio::signal_set signals_;
- boost::asio::deadline_timer tick_timer_;
-
- Handler* handler_;
- uint16_t concurrency_{1};
- std::string server_name_ = "Crow/0.1";
- uint16_t port_;
- std::string bindaddr_;
- unsigned int roundrobin_index_{};
-
- std::chrono::milliseconds tick_interval_;
- std::function<void()> tick_function_;
-
- std::tuple<Middlewares...>* middlewares_;
-
-#ifdef CROW_ENABLE_SSL
- bool use_ssl_{false};
- boost::asio::ssl::context ssl_context_{boost::asio::ssl::context::sslv23};
-#endif
- typename Adaptor::context* adaptor_ctx_;
- };
-}