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* \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>
class INTEGER; //! Forward declaration of TITAN class
class OCTETSTRING; //! Forward declaration of TITAN class
namespace LibItsGeoNetworking__TestSystem {
class GeoNetworkingPort; //! Forward declaration of TITAN class
class GeoNetworkingReq; //! Forward declaration of TITAN class
class GeoNetworkingInd; //! Forward declaration of TITAN class
}
namespace LibItsGeoNetworking__TypesAndValues {
class BasicHeader; //! Forward declaration of TITAN class
class GeoNetworkingPdu; //! Forward declaration of TITAN class
class BeaconHeader; //! Forward declaration of TITAN class
class LongPosVector; //! Forward declaration of TITAN class
class GN__Address; //! Forward declaration of TITAN class
// TODO Change pointers into smart pointers
/*!
* \class geonetworking_layer
* \brief This class provides description of ITS GeoNetworking protocol layer
*/
class geonetworking_layer : public t_layer<LibItsGeoNetworking__TestSystem::GeoNetworkingPort> {
params _params; /*!< Layer parameters */
geonetworking_codec _codec; /*!< GeoNetworking codec object reference. \see geonetworking_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* _tsb_packet; /*!< Data structure used to encapsulate upper layer PDU into a GeoNetworking packet as a TSB */
LibItsGeoNetworking__TypesAndValues::GeoNetworkingPdu* _ls_reply; /*!< Data structure used to reply to an incoming LS_REQUEST */
location_table _location_table; /*!< Location table, used when device_mode is set */
location_table _pass_beacon_table; /*!< Beaconing filter table */
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 Create and initialize a BasicHeader object
* \return A BasicHeader object
*/
const LibItsGeoNetworking__TypesAndValues::BasicHeader fill_basic_header() const;
/*!
* \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(const OCTETSTRING& p_ll_address, const INTEGER p_station_type = 5, const INTEGER p_country = 0, const INTEGER type_of_address = 1);
/*!
* \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 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 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
* \param[in] p_hop_number
* \param[in] p_max_hop_number
*/
void fill_tsb_packet(const OCTETSTRING& p_ll_address, const int p_hop_number = 3, const int p_max_hop_limit = 5);
/*!
* \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 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:
explicit geonetworking_layer() : t_layer<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} { };
geonetworking_layer(const std::string& p_type, const std::string& p_param);
* \fn void sendMsg(const LibItsGeoNetworking__TestSystem::GeoNetworkingReq& p_gn_req, params& p_param);
* \brief Send GeoNetworking message to the lower layers
* \param[in] p_gn_req The GeoNetworking message to be sent
* \param[in] p_params Some parameters to overwrite default value of the lower layers parameters
*/
void sendMsg(const LibItsGeoNetworking__TestSystem::GeoNetworkingReq& p_gn_req, params& p_param);
* \fn void send_data(OCTETSTRING& data, params& params);
* \brief Send bytes formated data to the lower layers
* \param[in] p_data The data to be sent
* \param[in] p_params Some parameters to overwrite default value of the lower layers parameters
virtual void send_data(OCTETSTRING& data, params& params);
* \fn void receive_data(OCTETSTRING& data, params& params);
* \brief Receive bytes formated data from the lower layers
* \param[in] p_data The bytes formated data received
* \param[in] p_params Some lower layers parameters values when data was received
*/
virtual void receive_data(OCTETSTRING& data, params& info);
* \fn void send_data(OCTETSTRING& data, params& params);
* \brief Send bytes formated data to the lower layers
* \param[in] p_data The data to be sent
* \param[in] p_params Some parameters to overwrite default value of the lower layers parameters
virtual OCTETSTRING trigger_ac_event(OCTETSTRING& data, params& params);
const LibItsGeoNetworking__TypesAndValues::LongPosVector* get_lpv(const LibItsGeoNetworking__TypesAndValues::GN__Address& p_gn_address);
void start_beaconing();
void start_beaconing(const LibItsGeoNetworking__TypesAndValues::GeoNetworkingPdu& p_beacon);
void stop_beaconing();
void start_pass_beaconing(const LibItsGeoNetworking__TypesAndValues::BeaconHeader& p_beacon);
void stop_pass_beaconing();
int enable_secured_mode(const std::string& p_certificate_id, const boolean p_enforce_security = false);
void init(const std::string & p_type, const std::string & p_param);
int build_geonetworking_pdu(OCTETSTRING& data, params& params);
int build_secured_pdu(OCTETSTRING& data, params& params);
int decode_basic_header(const OCTETSTRING& p_data, LibItsGeoNetworking__TypesAndValues::BasicHeader& p_basic_header);