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/*!
* \file GeoNetworkingLayer.hh
* \brief Header file for ITS GeoNetworking protocol layer.
* \author ETSI STF525
* \copyright ETSI Copyright Notification
* No part may be reproduced except as authorized by written permission.
* The copyright and the foregoing restriction extend to reproduction in all media.
* All rights reserved.
* \version 0.1
*/
#pragma once
#include <unistd.h>
#include <signal.h>
#include <time.h>
#include <mutex>
#include "TLayer.hh"
#include "GeoNetworkingCodec.hh"
#include "LocationTable.hh"
class INTEGER;
class OCTETSTRING;
namespace LibItsGeoNetworking__TestSystem {
class GeoNetworkingPort;
class GeoNetworkingReq;
class GeoNetworkingInd;
}
namespace LibItsGeoNetworking__TypesAndValues {
class GeoNetworkingPdu;
class BeaconHeader;
class LongPosVector;
class GN__Address;
}
// TODO Change pointers into smart pointers
class GeoNetworkingLayer : public TLayer<LibItsGeoNetworking__TestSystem::GeoNetworkingPort> {
Params _params;
GeoNetworkingCodec _codec;
LibItsGeoNetworking__TypesAndValues::GeoNetworkingPdu* _beacon; /*!< Data structure used for beaconing */
LibItsGeoNetworking__TypesAndValues::GeoNetworkingPdu* _gbc_packet; /*!< Data structure used to encapsulate upper layer PDU into a GeoNetworking packet as a Geobroadcast*/
LibItsGeoNetworking__TypesAndValues::GeoNetworkingPdu* _shb_packet; /*!< Data structure used to encapsulate upper layer PDU into a GeoNetworking packet as a SHB */
LibItsGeoNetworking__TypesAndValues::GeoNetworkingPdu* _ls_reply; /*!< Data structure used to reply to an incoming LS_REQUEST */
LocationTable _location_table;
LocationTable _pass_beacon_table;
bool _device_mode;
std::mutex _sendData; // FIXME To be removed, useless
timer_t _timerid;
struct sigevent _sev;
struct itimerspec _its;
long long _freq_nanosecs;
sigset_t _mask;
struct sigaction _sa;
/*!
* \brief Initialize a beacon object for a stand alone beaconing
* This object could be replaced in case of start_beaconing call from the Adapter Control Port
* \param[in] p_latitude
* \param[in] p_longitude
* \param[in] p_address
*/
void fill_beacon(INTEGER& p_latitude, INTEGER& p_longitude, OCTETSTRING& p_ll_address);
/*!
* \brief Initialize a GeoNetworking packet to send GeoNetworking Facility messages
* This object shall be updated before to be sent
* \param[in] p_latitude
* \param[in] p_longitude
* \param[in] p_address
void fill_gbc_packet(const INTEGER& p_latitude, const INTEGER& p_longitude, const OCTETSTRING& p_ll_address, const INTEGER& p_geoAreaPosLatitude, const INTEGER& p_geoAreaPosLongitude, const INTEGER& p_distanceA, const INTEGER& p_distanceB, const INTEGER& p_angle);
/*!
* \brief Initialize a GeoNetworking packet to send GeoNetworking Facility messages
* This object shall be updated before to be sent
* \param[in] p_latitude
* \param[in] p_longitude
* \param[in] p_address
*/
void fill_shb_packet(const INTEGER& p_latitude, const INTEGER& p_longitude, const OCTETSTRING& p_ll_address);
/*!
* \brief Initialize an LS_REPLY GeoNetworking packet to reply to an LS_REQUEST
* This object shall be updated before to be sent
* \param[in] p_latitude
* \param[in] p_longitude
* \param[in] p_address
*/
void fill_ls_reply(const INTEGER& p_latitude, const INTEGER& p_longitude, const OCTETSTRING& p_ll_address);
static void timer_irq_sigalrm_handler(int p_signal, siginfo_t *p_signal_info, void *p_uc);
const int _signal_id = SIGTERM;
public:
GeoNetworkingLayer() : TLayer<LibItsGeoNetworking__TestSystem::GeoNetworkingPort>(), _params(), _codec(), _beacon(NULL), _gbc_packet(NULL), _shb_packet(nullptr), _ls_reply(nullptr), _location_table(), _pass_beacon_table(), _device_mode{false}, _sendData(), _timerid{0}, _sev{0}, _its{0}, _freq_nanosecs(0), _mask{0}, _sa{0}, _sequence_number{0} { };
GeoNetworkingLayer(const std::string& p_type, const std::string& param);
virtual ~GeoNetworkingLayer();
void sendMsg(const LibItsGeoNetworking__TestSystem::GeoNetworkingReq&, Params& param);
virtual void sendData(OCTETSTRING& data, Params& params);
virtual void receiveData(OCTETSTRING& data, Params& params);
virtual OCTETSTRING trigger_ac_event(OCTETSTRING& data, Params& params);
void start_beaconing();
void start_beaconing(const LibItsGeoNetworking__TypesAndValues::GeoNetworkingPdu& p_beacon);
void stop_beaconing();
void send_beacon();
void start_pass_beaconing(const LibItsGeoNetworking__TypesAndValues::BeaconHeader& p_beacon);
void stop_pass_beaconing();
const LibItsGeoNetworking__TypesAndValues::LongPosVector* get_lpv(const LibItsGeoNetworking__TypesAndValues::GN__Address& p_gn_address);
int build_geonetworking_pdu(OCTETSTRING& data, Params& params);
}; // End of class GeoNetworkingLayer