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// Copyright (C) 2014-2022 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_LOCAL_UDS_SERVER_ENDPOINT_IMPL_HPP_
#define VSOMEIP_V3_LOCAL_UDS_SERVER_ENDPOINT_IMPL_HPP_
#include <map>
#include <thread>
#include <condition_variable>
#include <memory>
#if VSOMEIP_BOOST_VERSION < 106600
# include <boost/asio/local/stream_protocol_ext.hpp>
#else
# include <boost/asio/local/stream_protocol.hpp>
#endif
#include <vsomeip/defines.hpp>
#include <vsomeip/vsomeip_sec.h>
#include "buffer.hpp"
#include "server_endpoint_impl.hpp"
namespace vsomeip_v3 {
using local_uds_server_endpoint_base_impl = server_endpoint_impl<
#if VSOMEIP_BOOST_VERSION < 106600
boost::asio::local::stream_protocol_ext
#else
boost::asio::local::stream_protocol
#endif
>;
class local_uds_server_endpoint_impl: public local_uds_server_endpoint_base_impl {
public:
local_uds_server_endpoint_impl(const std::shared_ptr<endpoint_host>& _endpoint_host,
const std::shared_ptr<routing_host>& _routing_host,
const endpoint_type& _local,
boost::asio::io_context &_io,
const std::shared_ptr<configuration>& _configuration,
bool _is_routing_endpoint);
local_uds_server_endpoint_impl(const std::shared_ptr<endpoint_host>& _endpoint_host,
const std::shared_ptr<routing_host>& _routing_host,
const endpoint_type& _local,
boost::asio::io_context &_io,
int native_socket,
const std::shared_ptr<configuration>& _configuration,
bool _is_routing_endpoint);
virtual ~local_uds_server_endpoint_impl();
void start();
void stop();
void receive();
// this overrides server_endpoint_impl::send to disable the nPDU feature
// for local communication
bool send(const uint8_t *_data, uint32_t _size);
bool send_to(const std::shared_ptr<endpoint_definition>,
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 send_queued(const target_data_iterator_type _queue_iterator);
void get_configured_times_from_endpoint(
service_t _service, method_t _method,
std::chrono::nanoseconds *_debouncing,
std::chrono::nanoseconds *_maximum_retention) const;
bool get_default_target(service_t, endpoint_type &) const;
bool is_local() const;
void accept_client_func();
void print_status();
bool is_reliable() const;
std::uint16_t get_local_port() const;
void set_local_port(std::uint16_t _port);
client_t assign_client(const byte_t *_data, uint32_t _size);
private:
class connection: public std::enable_shared_from_this<connection> {
public:
using ptr = std::shared_ptr<connection>;
static ptr create(const std::shared_ptr<local_uds_server_endpoint_impl>& _server,
std::uint32_t _max_message_size,
std::uint32_t _buffer_shrink_threshold,
boost::asio::io_context &_io);
socket_type & get_socket();
std::unique_lock<std::mutex> get_socket_lock();
void start();
void stop();
void send_queued(const message_buffer_ptr_t& _buffer);
void set_bound_client(client_t _client);
client_t get_bound_client() const;
void set_bound_client_host(const std::string &_bound_client_host);
std::string get_bound_client_host() const;
#if defined(__linux__) || defined(ANDROID)
void set_bound_sec_client(const vsomeip_sec_client_t &_sec_client);
#endif
std::size_t get_recv_buffer_capacity() const;
private:
connection(const std::shared_ptr<local_uds_server_endpoint_impl>& _server,
std::uint32_t _max_message_size,
std::uint32_t _initial_recv_buffer_size,
std::uint32_t _buffer_shrink_threshold,
boost::asio::io_context &_io);
void send_cbk(const message_buffer_ptr_t _buffer,
boost::system::error_code const &_error, std::size_t _bytes);
void receive_cbk(boost::system::error_code const &_error,
std::size_t _bytes
#if defined(__linux__) || defined(ANDROID)
, std::uint32_t const &_uid, std::uint32_t const &_gid
#endif
);
void calculate_shrink_count();
std::string get_path_local() const;
std::string get_path_remote() const;
void handle_recv_buffer_exception(const std::exception &_e);
std::mutex socket_mutex_;
local_uds_server_endpoint_impl::socket_type socket_;
std::weak_ptr<local_uds_server_endpoint_impl> server_;
const std::uint32_t recv_buffer_size_initial_;
const std::uint32_t max_message_size_;
message_buffer_t recv_buffer_;
size_t recv_buffer_size_;
std::uint32_t missing_capacity_;
std::uint32_t shrink_count_;
const std::uint32_t buffer_shrink_threshold_;
client_t bound_client_;
std::string bound_client_host_;
vsomeip_sec_client_t sec_client_;
bool assigned_client_;
};
std::mutex acceptor_mutex_;
#if VSOMEIP_BOOST_VERSION < 106600
boost::asio::local::stream_protocol_ext::acceptor acceptor_;
#else
boost::asio::local::stream_protocol::acceptor acceptor_;
#endif
using connections_t = std::map<client_t, connection::ptr>;
std::mutex connections_mutex_;
connections_t connections_;
const std::uint32_t buffer_shrink_threshold_;
const bool is_routing_endpoint_;
private:
bool add_connection(const client_t &_client,
const std::shared_ptr<connection> &_connection);
void remove_connection(const client_t &_client);
void accept_cbk(const connection::ptr& _connection,
boost::system::error_code const &_error);
std::string get_remote_information(
const target_data_iterator_type _queue_iterator) const;
std::string get_remote_information(
const endpoint_type& _remote) const;
bool check_packetizer_space(target_data_iterator_type _queue_iterator,
message_buffer_ptr_t* _packetizer,
std::uint32_t _size);
bool tp_segmentation_enabled(service_t _service, method_t _method) const;
void send_client_identifier(const client_t &_client);
};
} // namespace vsomeip_v3
#endif // VSOMEIP_V3_LOCAL_UDS_SERVER_ENDPOINT_IMPL_HPP_
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