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// Copyright (C) 2014-2021 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef VSOMEIP_V3_CLIENT_ENDPOINT_IMPL_HPP_
#define VSOMEIP_V3_CLIENT_ENDPOINT_IMPL_HPP_
#include <atomic>
#include <condition_variable>
#include <deque>
#include <mutex>
#include <vector>
#include <chrono>
#include <thread>
#include <boost/array.hpp>
#include <boost/asio/strand.hpp>
#include <boost/asio/ip/udp.hpp>
#include <boost/utility.hpp>
#include <vsomeip/constants.hpp>
#include "buffer.hpp"
#include "endpoint_impl.hpp"
#include "client_endpoint.hpp"
#include "tp.hpp"
namespace vsomeip_v3 {
class endpoint;
class endpoint_host;
template<typename Protocol>
class client_endpoint_impl: public endpoint_impl<Protocol>, public client_endpoint,
public std::enable_shared_from_this<client_endpoint_impl<Protocol> > {
public:
using endpoint_type = typename Protocol::endpoint;
using socket_type = typename Protocol::socket;
client_endpoint_impl(const std::shared_ptr<endpoint_host>& _endpoint_host,
const std::shared_ptr<routing_host>& _routing_host,
const endpoint_type& _local, const endpoint_type& _remote,
boost::asio::io_context &_io,
std::uint32_t _max_message_size,
configuration::endpoint_queue_limit_t _queue_limit,
const std::shared_ptr<configuration>& _configuration);
virtual ~client_endpoint_impl();
bool send(const uint8_t *_data, uint32_t _size);
bool send(const std::vector<byte_t>& _cmd_header, const byte_t *_data,
uint32_t _size);
bool send_to(const std::shared_ptr<endpoint_definition> _target,
const byte_t *_data, uint32_t _size);
bool send_error(const std::shared_ptr<endpoint_definition> _target,
const byte_t *_data, uint32_t _size);
bool flush();
void prepare_stop(const endpoint::prepare_stop_handler_t &_handler, service_t _service);
virtual void stop();
virtual void restart(bool _force = false) = 0;
bool is_client() const;
bool is_established() const;
bool is_established_or_connected() const;
void set_established(bool _established);
void set_connected(bool _connected);
virtual bool get_remote_address(boost::asio::ip::address &_address) const;
virtual std::uint16_t get_remote_port() const;
std::uint16_t get_local_port() const;
void set_local_port(uint16_t _port);
virtual bool is_reliable() const = 0;
size_t get_queue_size() const;
public:
void connect_cbk(boost::system::error_code const &_error);
void wait_connect_cbk(boost::system::error_code const &_error);
void wait_connecting_cbk(boost::system::error_code const &_error);
virtual void send_cbk(boost::system::error_code const &_error,
std::size_t _bytes, const message_buffer_ptr_t& _sent_msg);
void flush_cbk(boost::system::error_code const &_error);
public:
virtual void connect() = 0;
virtual void receive() = 0;
virtual void print_status() = 0;
protected:
enum class cei_state_e : std::uint8_t {
CLOSED,
CONNECTING,
CONNECTED,
ESTABLISHED
};
std::pair<message_buffer_ptr_t, uint32_t> get_front();
virtual void send_queued(std::pair<message_buffer_ptr_t, uint32_t> &_entry) = 0;
virtual void get_configured_times_from_endpoint(
service_t _service, method_t _method,
std::chrono::nanoseconds *_debouncing,
std::chrono::nanoseconds *_maximum_retention) const = 0;
void shutdown_and_close_socket(bool _recreate_socket);
void shutdown_and_close_socket_unlocked(bool _recreate_socket);
void start_connect_timer();
void start_connecting_timer();
typename endpoint_impl<Protocol>::cms_ret_e check_message_size(
const std::uint8_t * const _data, std::uint32_t _size);
bool check_queue_limit(const uint8_t *_data, std::uint32_t _size) const;
void queue_train(const std::shared_ptr<train> &_train,
bool _queue_size_zero_on_entry);
void update_last_departure();
protected:
mutable std::mutex socket_mutex_;
std::unique_ptr<socket_type> socket_;
const endpoint_type remote_;
boost::asio::steady_timer flush_timer_;
std::mutex connect_timer_mutex_;
boost::asio::steady_timer connect_timer_;
std::atomic<uint32_t> connect_timeout_;
std::atomic<cei_state_e> state_;
std::atomic<std::uint32_t> reconnect_counter_;
std::mutex connecting_timer_mutex_;
boost::asio::steady_timer connecting_timer_;
std::atomic<uint32_t> connecting_timeout_;
// send data
std::shared_ptr<train> train_;
std::map<std::chrono::steady_clock::time_point,
std::deque<std::shared_ptr<train> > > dispatched_trains_;
boost::asio::steady_timer dispatch_timer_;
std::chrono::steady_clock::time_point last_departure_;
std::atomic<bool> has_last_departure_;
std::deque<std::pair<message_buffer_ptr_t, uint32_t> > queue_;
std::size_t queue_size_;
mutable std::mutex mutex_;
std::atomic<bool> was_not_connected_;
std::atomic<std::uint16_t> local_port_;
boost::asio::io_context::strand strand_;
private:
virtual void set_local_port() = 0;
virtual std::string get_remote_information() const = 0;
virtual bool tp_segmentation_enabled(service_t _service,
method_t _method) const = 0;
virtual std::uint32_t get_max_allowed_reconnects() const = 0;
virtual void max_allowed_reconnects_reached() = 0;
void send_segments(const tp::tp_split_messages_t &_segments,
std::uint32_t _separation_time);
void schedule_train();
void start_dispatch_timer(const std::chrono::steady_clock::time_point &_now);
void cancel_dispatch_timer();
};
} // namespace vsomeip_v3
#endif // VSOMEIP_V3_CLIENT_ENDPOINT_IMPL_HPP_
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