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/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "./message.hpp"
#include <cstring>
#include "../../binding/low-can-hat.hpp"
/**
* @brief Construct a new message t::message t object
*
*/
message_t::message_t()
: maxdlen_{0},
length_{0},
flags_{INVALID_FLAG},
timestamp_{0},
sub_id_{-1}
{}
/**
* @brief Construct a new message t::message t object
*
* @param maxdlen The maxdlen of a message
* @param length The length of the message
* @param format The format of the message
* @param data The data vector of the message
* @param timestamp The timestamp of the message
*/
message_t::message_t(uint32_t maxdlen,
uint32_t length,
uint32_t flags,
std::vector<uint8_t>& data,
uint64_t timestamp)
: maxdlen_{maxdlen},
length_{length},
flags_{flags},
data_{data},
timestamp_{timestamp},
sub_id_{-1}
{}
/**
* @brief Return the sub_id of the message
*
* @return int The sub_id of the message
*/
int message_t::get_sub_id() const
{
return sub_id_;
}
///
/// @brief Retrieve data_ member value.
///
/// @return pointer to the first element
/// of class member data_
///
const uint8_t* message_t::get_data() const
{
return data_.data();
}
///
/// @brief Retrieve data_ member value.
///
/// @return pointer to the first element
/// of class member data_
///
const std::vector<uint8_t> message_t::get_data_vector(int start, int end) const
{
if ( start > length_ || end > length_ )
{
AFB_ERROR("Error index to get data vector, [%d-%d] - for length %d", start, end, length_);
return data_;
}
std::vector<uint8_t>::const_iterator first = data_.begin() + start;
std::vector<uint8_t>::const_iterator last = data_.begin() + end;
std::vector<uint8_t> ret(first, last);
return ret;
}
///
/// @brief Retrieve data_ member whole vector
///
/// @return the vector as is
///
const std::vector<uint8_t> message_t::get_data_vector() const
{
return data_;
}
///
/// @brief Retrieve length_ member value.
///
/// @return length_ class member
///
uint32_t message_t::get_length() const
{
return length_;
}
/**
* @brief Set data vector of the message
*
* @param data A vector of data
*/
void message_t::set_data(std::vector<uint8_t> data)
{
data_ = data;
}
/**
* @brief Set sub_id of the message
*
* @param sub_id The sub_id to set
*/
void message_t::set_sub_id(int sub_id)
{
sub_id_ = sub_id;
}
/**
* @brief Return the timestamp of the message
*
* @return uint64_t The timestamp
*/
uint64_t message_t::get_timestamp() const
{
return timestamp_;
}
uint32_t message_t::get_flags()
{
return flags_;
}
void message_t::set_flags(uint32_t flags)
{
flags_ = flags_ | flags;
}
void message_t::erase_flags()
{
flags_ = 0;
}
uint32_t message_t::get_maxdlen()
{
return maxdlen_;
}
void message_t::set_maxdlen(uint32_t maxdlen)
{
maxdlen_ = maxdlen;
}
void message_t::set_length(uint32_t length)
{
length_ = length;
}
void message_t::frame_swap()
{
int i;
uint8_t *temp = (uint8_t*)alloca(length_);
for(i = 0; i < length_; i++)
temp[i] = data_[length_ - i - 1];
memcpy(data_.data(), temp, length_);
}
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