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// Copyright (C) 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/.
#include <limits>
#include <vsomeip/constants.hpp>
#include "../include/subscribe_command.hpp"
namespace vsomeip_v3 {
namespace protocol {
subscribe_command::subscribe_command()
: subscribe_command_base(id_e::SUBSCRIBE_ID) {
}
std::shared_ptr<debounce_filter_t>
subscribe_command::get_filter() const {
return filter_;
}
void
subscribe_command::set_filter(
const std::shared_ptr<debounce_filter_t> &_filter) {
filter_ = _filter;
}
void
subscribe_command::serialize(std::vector<byte_t> &_buffer,
error_e &_error) const {
size_t its_size(COMMAND_HEADER_SIZE
+ sizeof(service_) + sizeof(instance_)
+ sizeof(eventgroup_) + sizeof(major_)
+ sizeof(event_) + sizeof(pending_id_));
size_t its_offset(its_size);
if (filter_) {
its_size += sizeof(filter_->on_change_)
+ sizeof(filter_->on_change_resets_interval_)
+ sizeof(filter_->interval_)
+ (filter_->ignore_.size() * (sizeof(size_t) + sizeof(byte_t)));
}
if (its_size > std::numeric_limits<command_size_t>::max()) {
_error = error_e::ERROR_MAX_COMMAND_SIZE_EXCEEDED;
return;
}
// resize buffer
_buffer.resize(its_size);
// set size
size_ = static_cast<command_size_t>(its_size - COMMAND_HEADER_SIZE);
// serialize header
subscribe_command_base::serialize(_buffer, _error);
if (_error != error_e::ERROR_OK)
return;
if (filter_) {
_buffer[its_offset] = static_cast<byte_t>(filter_->on_change_);
its_offset += sizeof(filter_->on_change_);
_buffer[its_offset] = static_cast<byte_t>(filter_->on_change_resets_interval_);
its_offset += sizeof(filter_->on_change_resets_interval_);
std::memcpy(&_buffer[its_offset], &filter_->interval_, sizeof(filter_->interval_));
its_offset += sizeof(filter_->interval_);
for (const auto &its_ignore : filter_->ignore_) {
std::memcpy(&_buffer[its_offset], &its_ignore.first, sizeof(size_t));
its_offset += sizeof(size_t);
_buffer[its_offset] = its_ignore.second;
its_offset += sizeof(byte_t);
}
}
}
void
subscribe_command::deserialize(const std::vector<byte_t> &_buffer,
error_e &_error) {
size_t its_size(COMMAND_HEADER_SIZE
+ sizeof(service_) + sizeof(instance_)
+ sizeof(eventgroup_) + sizeof(major_)
+ sizeof(event_) + sizeof(pending_id_));
if (its_size > _buffer.size()) {
_error = error_e::ERROR_NOT_ENOUGH_BYTES;
return;
}
// deserialize header
command::deserialize(_buffer, _error);
if (_error != error_e::ERROR_OK)
return;
// deserialize subscription
subscribe_command_base::deserialize(_buffer, _error);
if (_error != error_e::ERROR_OK)
return;
// deserialize filter
size_t its_offset(its_size);
if (_buffer.size() - its_offset
>= sizeof(bool) + sizeof(bool) + sizeof(int64_t)) {
filter_ = std::make_shared<debounce_filter_t>();
std::memcpy(&filter_->on_change_, &_buffer[its_offset], sizeof(filter_->on_change_));
its_offset += sizeof(filter_->on_change_);
std::memcpy(&filter_->on_change_resets_interval_, &_buffer[its_offset], sizeof(filter_->on_change_resets_interval_));
its_offset += sizeof(filter_->on_change_resets_interval_);
std::memcpy(&filter_->interval_, &_buffer[its_offset], sizeof(filter_->interval_));
its_offset += sizeof(filter_->interval_);
while (_buffer.size() - its_offset
>= sizeof(size_t) + sizeof(byte_t)) {
size_t its_key;
byte_t its_value;
std::memcpy(&its_key, &_buffer[its_offset], sizeof(its_key));
if (filter_->ignore_.find(its_key) != filter_->ignore_.end()) {
_error = error_e::ERROR_MALFORMED;
return;
}
its_offset += sizeof(its_key);
its_value = _buffer[its_offset];
its_offset += sizeof(its_value);
filter_->ignore_.emplace(std::make_pair(its_key, its_value));
}
}
}
} // namespace protocol
} // namespace vsomeip
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