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// Copyright (C) 2014 BMW Group
// Author: Lutz Bichler (lutz.bichler@bmw.de)
// 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/.
#include <deque>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <boost/asio/write.hpp>
#include <vsomeip/logger.hpp>
#include "../include/endpoint_host.hpp"
#include "../include/local_server_endpoint_impl.hpp"
namespace vsomeip {
local_server_endpoint_impl::local_server_endpoint_impl(
std::shared_ptr< endpoint_host > _host, endpoint_type _local, boost::asio::io_service &_io)
: local_server_endpoint_base_impl(_host, _local, _io),
acceptor_(_io, _local) {
is_supporting_magic_cookies_ = false;
}
local_server_endpoint_impl::~local_server_endpoint_impl() {
}
void local_server_endpoint_impl::start() {
connection::ptr new_connection = connection::create(this);
acceptor_.async_accept(
new_connection->get_socket(),
std::bind(
&local_server_endpoint_impl::accept_cbk,
std::dynamic_pointer_cast< local_server_endpoint_impl >(shared_from_this()),
new_connection,
std::placeholders::_1
)
);
}
void local_server_endpoint_impl::stop() {
}
bool local_server_endpoint_impl::send_to(const std::shared_ptr<endpoint_definition> _target,
const byte_t *_data, uint32_t _size, bool _flush) {
return false;
}
void local_server_endpoint_impl::send_queued(endpoint_type _target, message_buffer_ptr_t _buffer) {
auto connection_iterator = connections_.find(_target);
if (connection_iterator != connections_.end())
connection_iterator->second->send_queued(_buffer);
}
void local_server_endpoint_impl::receive() {
// intentionally left empty
}
void local_server_endpoint_impl::restart() {
current_->start();
}
local_server_endpoint_impl::endpoint_type local_server_endpoint_impl::get_remote() const {
return current_->get_socket().remote_endpoint();
}
bool local_server_endpoint_impl::get_multicast(
service_t, event_t, local_server_endpoint_impl::endpoint_type &) const {
return false;
}
void local_server_endpoint_impl::remove_connection(local_server_endpoint_impl::connection *_connection) {
std::map< endpoint_type, connection::ptr >::iterator i = connections_.end();
for (i = connections_.begin(); i != connections_.end(); i++) {
if (i->second.get() == _connection)
break;
}
if (i != connections_.end()) {
connections_.erase(i);
}
}
void local_server_endpoint_impl::accept_cbk(
connection::ptr _connection, boost::system::error_code const &_error) {
if (!_error) {
socket_type &new_connection_socket = _connection->get_socket();
endpoint_type remote = new_connection_socket.remote_endpoint();
connections_[remote] = _connection;
_connection->start();
}
start();
}
///////////////////////////////////////////////////////////////////////////////
// class tcp_service_impl::connection
///////////////////////////////////////////////////////////////////////////////
local_server_endpoint_impl::connection::connection(local_server_endpoint_impl *_server)
: socket_(_server->service_), server_(_server) {
}
local_server_endpoint_impl::connection::ptr
local_server_endpoint_impl::connection::create(local_server_endpoint_impl *_server) {
return ptr(new connection(_server));
}
local_server_endpoint_impl::socket_type & local_server_endpoint_impl::connection::get_socket() {
return socket_;
}
void local_server_endpoint_impl::connection::start() {
packet_buffer_ptr_t its_buffer
= std::make_shared< packet_buffer_t >();
socket_.async_receive(
boost::asio::buffer(*its_buffer),
std::bind(
&local_server_endpoint_impl::connection::receive_cbk,
shared_from_this(),
its_buffer,
std::placeholders::_1,
std::placeholders::_2
)
);
}
void local_server_endpoint_impl::connection::send_queued(message_buffer_ptr_t _buffer) {
#if 0
std::stringstream msg;
msg << "lse::sq: ";
for (std::size_t i = 0; i < _buffer->size(); i++)
msg << std::setw(2) << std::setfill('0') << std::hex << (int)(*_buffer)[i] << " ";
VSOMEIP_DEBUG << msg.str();
#endif
boost::asio::async_write(
socket_,
boost::asio::buffer(*_buffer),
std::bind(
&local_server_endpoint_base_impl::send_cbk,
server_->shared_from_this(),
_buffer,
std::placeholders::_1,
std::placeholders::_2
)
);
}
void local_server_endpoint_impl::connection::send_magic_cookie() {
}
void local_server_endpoint_impl::connection::receive_cbk(
packet_buffer_ptr_t _buffer,
boost::system::error_code const &_error, std::size_t _bytes) {
static std::size_t its_start = -1;
std::size_t its_end;
if (!_error && 0 < _bytes) {
#if 0
std::stringstream msg;
msg << "lse::c<" << this << ">rcb: ";
for (std::size_t i = 0; i < _bytes; i++)
msg << std::setw(2) << std::setfill('0') << std::hex << (int)(*_buffer)[i] << " ";
VSOMEIP_DEBUG << msg.str();
#endif
message_.insert(message_.end(), _buffer->begin(), _buffer->begin() + _bytes);
do {
if (its_start == -1) {
its_start = 0;
while (its_start + 3 < message_.size() &&
(message_[its_start] != 0x67 || message_[its_start+1] != 0x37 ||
message_[its_start+2] != 0x6d || message_[its_start+3] != 0x07)) {
its_start ++;
}
its_start = (its_start + 3 == message_.size() ? -1 : its_start+4);
}
if (its_start != -1) {
its_end = its_start;
while (its_end + 3 < message_.size() &&
(message_[its_end] != 0x07 || message_[its_end+1] != 0x6d ||
message_[its_end+2] != 0x37 || message_[its_end+3] != 0x67)) {
its_end ++;
}
}
if (its_start != -1 && its_end+3 < message_.size()) {
server_->host_->on_message(&message_[its_start], its_end - its_start, server_);
message_.erase(message_.begin(), message_.begin() + its_end + 4);
its_start = -1;
}
} while (message_.size() > 8 && its_start == -1); // start tag + end tag --> 8 Byte
}
if (_error == boost::asio::error::misc_errors::eof) {
server_->remove_connection(this);
} else {
start();
}
}
} // namespace vsomeip
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