* limitations under the License.
*/
-#include "low-can-hat.hpp"
-
#include "low-can-subscription.hpp"
#include "application.hpp"
#include "canutil/write.h"
+#include "../utils/socketcan-bcm.hpp"
+#include "../can/can-encoder.hpp"
+
+#ifdef USE_FEATURE_ISOTP
+#include "../utils/socketcan-isotp.hpp"
+#endif
+
+#ifdef USE_FEATURE_J1939
+#include "../utils/socketcan-j1939/socketcan-j1939-data.hpp"
+#endif
+
+low_can_subscription_t::low_can_subscription_t()
+ : index_{-1},
+ event_filter_{},
+ event_{},
+ socket_{}
+{}
-struct afb_event& low_can_subscription_t::get_event()
+low_can_subscription_t::low_can_subscription_t(struct event_filter_t event_filter)
+ : index_{-1},
+ event_filter_{event_filter},
+ event_{},
+ socket_{}
+ {}
+
+low_can_subscription_t::low_can_subscription_t( low_can_subscription_t&& s)
+ : index_{s.index_},
+ event_filter_{s.event_filter_},
+ event_{},
+ socket_{std::move(s.socket_)}
+{}
+
+low_can_subscription_t& low_can_subscription_t::operator=(const low_can_subscription_t& s)
+{
+ socket_ = std::move(s.socket_);
+ return *this;
+}
+
+low_can_subscription_t::~low_can_subscription_t()
+{
+ if(socket_)
+ socket_->close();
+}
+
+low_can_subscription_t::operator bool() const
+{
+ return ((signal_ != nullptr || ! diagnostic_message_.empty()) && ! socket_);
+}
+afb_event_t low_can_subscription_t::get_event()
{
return event_;
}
-void low_can_subscription_t::set_event(struct afb_event event)
+/**
+ * @brief Set the event calling the afb_daemon_make_event function to
+ * create it and the checks its validity.
+ *
+ * @return int - 0 if OK, -1 if not
+ */
+int low_can_subscription_t::set_event()
+{
+ std::string event_name = get_name();
+ event_ = afb_daemon_make_event(event_name.c_str());
+ if (! afb_event_is_valid(event_))
+ {
+ AFB_ERROR("Can't create an event for %s, something goes wrong.", event_name.c_str());
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * @brief Subscribe to the event member of the object
+ *
+ * @param request the subscribe AFB client request which want to
+ * subscribe
+ *
+ * @return int - 0 if OK, -1 if not
+ */
+int low_can_subscription_t::subscribe(afb_req_t request)
+{
+ if(! afb_event_is_valid(event_))
+ if(set_event() < 0)
+ return -1;
+
+ return afb_req_subscribe(request, event_);
+}
+
+/**
+ * @brief Unsubscribe to the event member of the object
+ *
+ * @param request the unsubscribe AFB client request which want to
+ * unsubscribe
+ *
+ * @return int - 0 if OK, -1 if not
+ */
+int low_can_subscription_t::unsubscribe(afb_req_t request)
+{
+ return afb_req_unsubscribe(request, event_);
+}
+
+/**
+ * @brief Getter of index of subscription
+ *
+ * @return int Index
+ */
+int low_can_subscription_t::get_index() const
+{
+ return index_;
+}
+
+/**
+ * @brief Getter of signal of subscription
+ *
+ * @return const std::shared_ptr<signal_t> A shared pointer of the signal
+ */
+const std::shared_ptr<signal_t> low_can_subscription_t::get_signal() const
+{
+ return signal_;
+}
+
+/**
+ * @brief Check if the signal and event are the same that the subscription
+ *
+ * @param signal the signal compared
+ * @param event_filter the event_filter compared
+ * @return true if they are equal
+ * @return false if they are not equal
+ */
+bool low_can_subscription_t::is_signal_subscription_corresponding(const std::shared_ptr<signal_t> signal, const struct event_filter_t& event_filter) const
+{
+ return signal_ == signal && event_filter_ == event_filter;
+}
+
+/**
+ * @brief Getter for diagnostic messages of subscription
+ *
+ * @return const vector_ptr_diag_msg_t Vector of pointer of diagnostic message
+ */
+const vect_ptr_diag_msg_t low_can_subscription_t::get_diagnostic_message() const
+{
+ return diagnostic_message_;
+}
+
+/// @brief Retrieve a diagnostic_message subscribed from a pid
+///
+/// @param[in] pid - Diagnostic messages PID to search for
+///
+/// @return shared_ptr diagnostic_message_ if found and nullptr if not found
+const std::shared_ptr<diagnostic_message_t> low_can_subscription_t::get_diagnostic_message(uint32_t pid) const
+{
+ for(const auto& diag: diagnostic_message_)
+ if(diag->get_pid() == pid)
+ return diag;
+
+ return nullptr;
+}
+
+/// @brief Retrieve a diagnostic message search from its name
+///
+/// @return shared_ptr diagnostic_message_ if found and nullptr if not found
+const std::shared_ptr<diagnostic_message_t> low_can_subscription_t::get_diagnostic_message(const std::string& name) const
+{
+ for(const auto& diag: diagnostic_message_)
+ if(diag->get_name() == name)
+ return diag;
+
+ return nullptr;
+}
+
+/// @brief Return the CAN signal name and empty string if not found
+/// or no CAN signal subscribed
+const std::string low_can_subscription_t::get_name() const
+{
+ if (signal_ != nullptr)
+ return signal_->get_name();
+ else if (!diagnostic_message_.empty())
+ return "diagnostic_messages";
+
+ AFB_WARNING("No diagnostics messages nor CAN signals registered in that subscription. Name empty ! It's a bug to be reported.");
+ return "";
+}
+
+/// @brief Return name from a diagnostic message from a PID
+///
+/// @param[in] pid - Diagnostic message PID
+const std::string low_can_subscription_t::get_name(uint32_t pid) const
+{
+ if (!diagnostic_message_.empty())
+ return get_diagnostic_message(pid)->get_name() ;
+
+ AFB_WARNING("No diagnostics messages nor CAN signals registered in that subscription. Name empty ! It's a bug to be reported.");
+ return "";
+}
+
+/**
+ * @brief Getter of the frequency of the event_filter
+ *
+ * @return float The frequency
+ */
+float low_can_subscription_t::get_frequency() const
+{
+ return event_filter_.frequency;
+}
+
+/**
+ * @brief Getter of the min of the event_filter
+ *
+ * @return float The min value filtered
+ */
+float low_can_subscription_t::get_min() const
+{
+ return event_filter_.min;
+}
+
+/**
+ * @brief Getter of the max of the event_filter
+ *
+ * @return float The max value filtered
+ */
+float low_can_subscription_t::get_max() const
+{
+ return event_filter_.max;
+}
+
+bool low_can_subscription_t::get_promisc() const
+{
+ return event_filter_.promisc;
+}
+
+/**
+ * @brief Getter of the rx_id of the event_filter
+ *
+ * @return canid_t The rx_id value
+ */
+canid_t low_can_subscription_t::get_rx_id() const
+{
+ return event_filter_.rx_id;
+}
+
+/**
+ * @brief Getter of the tx_id of the event_filter
+ *
+ * @return canid_t The tx_id value
+ */
+canid_t low_can_subscription_t::get_tx_id() const
+{
+ return event_filter_.tx_id;
+}
+
+/**
+ * @brief Getter of the socket of the subscription
+ *
+ * @return std::shared_ptr<utils::socketcan_t> Pointer of the socket object
+ */
+std::shared_ptr<utils::socketcan_t> low_can_subscription_t::get_socket()
+{
+ return socket_;
+}
+
+std::shared_ptr<message_definition_t> low_can_subscription_t::get_message_definition()
+{
+ return message_;
+}
+
+/**
+ * @brief Setter for the frequency of the event_filter
+ *
+ * @param freq The new frequency
+ */
+void low_can_subscription_t::set_frequency(float freq)
+{
+ event_filter_.frequency = freq;
+}
+
+/**
+ * @brief Setter for the min of the event_filter
+ *
+ * @param min The new min
+ */
+void low_can_subscription_t::set_min(float min)
+{
+ event_filter_.min = min;
+}
+
+/**
+ * @brief Setter for the max of the event_filter
+ *
+ * @param max The new max
+ */
+void low_can_subscription_t::set_max(float max)
+{
+ event_filter_.max = max;
+}
+
+void low_can_subscription_t::set_promisc(bool promisc)
{
- event_ = event;
+ event_filter_.promisc = promisc;
+}
+
+/**
+ * @brief Setter for the rx_id of the event_filter
+ *
+ * @param rx_id The new rx_id
+ */
+void low_can_subscription_t::set_rx_id(canid_t rx_id)
+{
+ event_filter_.rx_id = rx_id;
+}
+
+/**
+ * @brief Setter for the tx_id of the event_filter
+ *
+ * @param tx_id The new tx_id
+ */
+void low_can_subscription_t::set_tx_id(canid_t tx_id)
+{
+ event_filter_.tx_id = tx_id;
+}
+
+/**
+ * @brief Setter for the index of the subscription
+ *
+ * @param index The new index
+ */
+void low_can_subscription_t::set_index(int index)
+{
+ index_ = index;
+}
+
+/**
+ * @brief Setter for the signal of the subscription
+ *
+ * @param signal The new signal
+ */
+void low_can_subscription_t::set_signal(std::shared_ptr<signal_t> signal)
+{
+ signal_ = signal;
+}
+
+void low_can_subscription_t::set_message_definition(std::shared_ptr<message_definition_t> message)
+{
+ message_ = message;
+}
+
+/// @brief Based upon which object is a subscribed CAN signal or diagnostic message
+/// it will open the socket with the required CAN bus device name.
+///
+/// @return INVALID_SOCKET on failure, else positive integer
+int low_can_subscription_t::open_socket(low_can_subscription_t &subscription, const std::string& bus_name, uint32_t flags)
+{
+ int ret = -1;
+ if(! subscription.socket_)
+ {
+ if(flags & CAN_PROTOCOL)
+ {
+ subscription.socket_ = std::make_shared<utils::socketcan_bcm_t>();
+ if( subscription.signal_ )
+ ret = subscription.socket_->open(subscription.signal_->get_message()->get_bus_device_name());
+ else if(! subscription.diagnostic_message_.empty())
+ ret = subscription.socket_->open(application_t::instance().get_diagnostic_manager().get_bus_device_name());
+ else if(! bus_name.empty())
+ ret = subscription.socket_->open(bus_name);
+
+ subscription.index_ = (int)subscription.socket_->socket();
+ }
+#ifdef USE_FEATURE_ISOTP
+ else if(flags & ISOTP_PROTOCOL)
+ {
+ std::shared_ptr<utils::socketcan_isotp_t> socket = std::make_shared<utils::socketcan_isotp_t>();
+ if(subscription.signal_ )
+ {
+ canid_t rx = NO_CAN_ID;
+ canid_t tx = NO_CAN_ID;
+ if(flags & ISOTP_SEND)
+ {
+ rx = subscription.get_rx_id();
+ tx = subscription.signal_->get_message()->get_id();
+ }
+ else if(flags & ISOTP_RECEIVE)
+ {
+ rx = subscription.signal_->get_message()->get_id();
+ tx = subscription.get_tx_id();
+ }
+ ret = socket->open(subscription.signal_->get_message()->get_bus_device_name(), rx, tx);
+ subscription.socket_ = socket;
+ }
+ else if(! bus_name.empty())
+ {
+ ret = socket->open(bus_name, subscription.get_rx_id(), subscription.get_tx_id());
+ subscription.socket_ = socket;
+ }
+ subscription.index_ = (int)subscription.socket_->socket();
+ }
+#endif
+#ifdef USE_FEATURE_J1939
+ else if(flags & J1939_ADDR_CLAIM_PROTOCOL)
+ {
+ pgn_t pgn = J1939_NO_PGN;
+ std::shared_ptr<utils::socketcan_j1939_addressclaiming_t> socket = std::make_shared<utils::socketcan_j1939_addressclaiming_t>();
+ if(!bus_name.empty())
+ ret = socket->open(bus_name, pgn);
+ subscription.socket_ = socket;
+ subscription.index_ = (int)subscription.socket_->socket();
+ }
+ else if(flags & J1939_PROTOCOL)
+ {
+ pgn_t pgn = J1939_NO_PGN;
+ std::shared_ptr<utils::socketcan_j1939_data_t> socket = std::make_shared<utils::socketcan_j1939_data_t>();
+ if(subscription.signal_)
+ {
+ pgn = subscription.signal_->get_message()->get_id();
+ ret = socket->open(subscription.signal_->get_message()->get_bus_device_name(), pgn);
+ }
+ else if(!bus_name.empty())
+ {
+ ret = socket->open(bus_name, pgn);
+ }
+
+ if(ret)
+ socket->define_opt(!j1939_pgn_is_pdu1(pgn),subscription.event_filter_.promisc);
+
+ subscription.socket_ = socket;
+ subscription.index_ = (int)subscription.socket_->socket();
+ }
+#endif
+ else
+ {
+ AFB_ERROR("Socket format not supported");
+ return INVALID_SOCKET;
+ }
+ }
+ else{
+ ret = subscription.socket_->socket();
+ }
+ return ret;
+}
+
+
+/// @brief Builds a BCM message head but doesn't set can_frame.
+///
+/// @returns a bcm_msg with the msg_head parts set and can_frame
+/// zeroed.
+struct bcm_msg low_can_subscription_t::make_bcm_head(uint32_t opcode, uint32_t can_id, uint32_t flags, const struct timeval& timeout, const struct timeval& frequency_thinning)
+{
+ struct bcm_msg bcm_msg;
+ ::memset(&bcm_msg, 0, sizeof(bcm_msg));
+
+ bcm_msg.msg_head.opcode = opcode;
+ bcm_msg.msg_head.can_id = can_id;
+ bcm_msg.msg_head.flags = flags;
+ bcm_msg.msg_head.ival1.tv_sec = timeout.tv_sec ;
+ bcm_msg.msg_head.ival1.tv_usec = timeout.tv_usec;
+ bcm_msg.msg_head.ival2.tv_sec = frequency_thinning.tv_sec ;
+ bcm_msg.msg_head.ival2.tv_usec = frequency_thinning.tv_usec;
+
+
+ return bcm_msg;
+}
+
+/// @brief Take an existing bcm_msg struct and add a can_frame.
+/// Currently only 1 uniq can_frame can be added, it's not possible to build
+/// a multiplexed message with several can_frame.
+void low_can_subscription_t::add_one_bcm_frame(struct canfd_frame& cfd, struct bcm_msg& bcm_msg)
+{
+ struct can_frame cf;
+
+ if (bcm_msg.msg_head.flags & CAN_FD_FRAME)
+ bcm_msg.fd_frames[bcm_msg.msg_head.nframes] = cfd;
+ else
+ {
+ cf.can_id = cfd.can_id;
+ cf.can_dlc = cfd.len;
+ ::memcpy(&cf.data, cfd.data, cfd.len);
+ bcm_msg.frames[bcm_msg.msg_head.nframes] = cf;
+ }
+ bcm_msg.msg_head.nframes++;
+}
+
+/// @brief Take an existing bcm_msg struct and add a can_frame.
+/// Currently only 1 uniq can_frame can be added, it's not possible to build
+/// a multiplexed message with several can_frame.
+void low_can_subscription_t::remove_last_bcm_frame(struct bcm_msg& bcm_msg)
+{
+ struct canfd_frame cf;
+ memset(&cf, 0, sizeof(cf));
+ bcm_msg.fd_frames[bcm_msg.msg_head.nframes] = cf;
+ bcm_msg.msg_head.nframes--;
+}
+
+#ifdef USE_FEATURE_J1939
+/**
+ * @brief Create a j1939 socket to read message
+ *
+ * @param subscription The subscription
+ * @param sig The signal subscribed
+ * @return int 0 if ok else -1
+ */
+int low_can_subscription_t::create_rx_filter_j1939(low_can_subscription_t &subscription, std::shared_ptr<signal_t> sig)
+{
+ subscription.signal_= sig;
+
+ // Make sure that socket is opened.
+ if(open_socket(subscription, "", J1939_PROTOCOL) < 0)
+ return -1;
+
+ return 0;
+}
+#endif
+
+/**
+ * @brief Create an iso tp socket to read message
+ *
+ * @param subscription The subscription
+ * @param sig The signal subscribed
+ * @return int 0 if ok else -1
+ */
+int low_can_subscription_t::create_rx_filter_isotp(low_can_subscription_t &subscription, std::shared_ptr<signal_t> sig)
+{
+ subscription.signal_= sig;
+
+ // Make sure that socket is opened.
+ if(open_socket(subscription, "", ISOTP_PROTOCOL|ISOTP_RECEIVE) < 0)
+ return -1;
+
+ return 0;
+}
+
+/// @brief Create a RX_SETUP receive job to be used by the BCM socket for a CAN signal
+/// subscription
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter_can(low_can_subscription_t &subscription, std::shared_ptr<signal_t> sig)
+{
+ uint32_t flags_bcm;
+ struct timeval freq, timeout = {0, 0};
+ subscription.signal_= sig;
+ bool is_fd = sig->get_message()->is_fd();
+ uint32_t max_dlen = 0;
+
+ uint32_t length_msg = sig->get_message()->get_length();
+ std::vector<uint8_t> data(length_msg);
+ can_message_t cm;
+
+ if(! length_msg)
+ {
+ AFB_ERROR("Error in the length of message with id %d", sig->get_message()->get_id());
+ return -1;
+ }
+
+ encoder_t::encode_data(subscription.signal_, data, true, false, true);
+
+ if (is_fd)
+ {
+ flags_bcm = SETTIMER|RX_NO_AUTOTIMER|CAN_FD_FRAME;
+ max_dlen = CANFD_MAX_DLEN;
+ }
+ else
+ {
+ flags_bcm = SETTIMER|RX_NO_AUTOTIMER;
+ max_dlen = CAN_MAX_DLEN;
+ }
+
+ cm = can_message_t( max_dlen,
+ sig->get_message()->get_id(),
+ length_msg,
+ false,
+ sig->get_message()->get_flags(),
+ data,
+ 0);
+
+ frequency_clock_t f = subscription.event_filter_.frequency == 0 ? subscription.signal_->get_frequency() : frequency_clock_t(subscription.event_filter_.frequency);
+ freq = f.get_timeval_from_period();
+
+ struct bcm_msg bcm_msg = subscription.make_bcm_head(RX_SETUP, subscription.signal_->get_message()->get_id(), flags_bcm, timeout, freq);
+
+ std::vector<canfd_frame> cfd_vect = cm.convert_to_canfd_frame_vector();
+
+ if(cfd_vect.size() > 1) //multi
+ {
+ AFB_ERROR("Not implemented yet");
+ return -1;
+ }
+ else if(cfd_vect.size() == 1)
+ {
+ subscription.add_one_bcm_frame(cfd_vect[0], bcm_msg);
+ }
+ else
+ {
+ AFB_ERROR("No data available");
+ return -1;
+ }
+
+ return create_rx_filter_bcm(subscription, bcm_msg);
+}
+
+
+int low_can_subscription_t::create_rx_filter(std::shared_ptr<message_definition_t> msg)
+{
+ std::shared_ptr<signal_t> signal_message =
+ std::make_shared<signal_t>(signal_t{msg->get_name(),
+ 0,
+ msg->get_length() * 8,
+ 1.00000f,
+ 0.00000f,
+ 0,
+ 0,
+ frequency_clock_t(0.00000f),
+ true,
+ false,
+ {},
+ true,
+ nullptr,
+ nullptr,
+ false,
+ std::make_pair<bool, int>(false, 0),
+ static_cast<sign_t>(0),
+ -1,
+ ""});
+
+ signal_message->set_parent(msg);
+ return create_rx_filter(signal_message);
+}
+
+
+/**
+ * @brief Create the good socket to read message
+ * depending on the signal
+ *
+ * @param sig The signal subscribed
+ * @return 0 if ok else -1
+ */
+int low_can_subscription_t::create_rx_filter(std::shared_ptr<signal_t> sig)
+{
+ if(!sig->get_message()->is_isotp() && !sig->get_message()->is_j1939())
+ return low_can_subscription_t::create_rx_filter_can(*this, sig);
+#ifdef USE_FEATURE_ISOTP
+ else if(sig->get_message()->is_isotp())
+ return low_can_subscription_t::create_rx_filter_isotp(*this, sig);
+#endif
+#ifdef USE_FEATURE_J1939
+ else if(sig->get_message()->is_j1939())
+ return low_can_subscription_t::create_rx_filter_j1939(*this, sig);
+#endif
+ AFB_ERROR("Signal can't be created (check config)");
+ return -1;
+}
+
+
+/// @brief Create a RX_SETUP receive job to be used by the BCM socket for a
+/// diagnostic message subscription.
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter(std::shared_ptr<diagnostic_message_t> sig)
+{
+ diagnostic_message_.push_back(sig);
+
+ struct timeval freq = frequency_clock_t(event_filter_.frequency).get_timeval_from_period();
+ struct timeval timeout = {0, 0};
+
+ struct bcm_msg bcm_msg = make_bcm_head(RX_SETUP, OBD2_FUNCTIONAL_BROADCAST_ID, SETTIMER | RX_NO_AUTOTIMER | RX_FILTER_ID, timeout, freq);
+ return create_rx_filter_bcm(*this, bcm_msg);
+}
+
+/// @brief Create a RX_SETUP receive job used by the BCM socket directly from
+/// a bcm_msg. The method should not be used directly but rather through the
+/// two previous method with signal_t or diagnostic_message_t object.
+///
+/// If the CAN arbitration ID is the OBD2 functional broadcast id the subscribed
+/// to the 8 classics OBD2 functional response ID
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter_bcm(low_can_subscription_t &subscription, struct bcm_msg& bcm_msg)
+{
+ // Make sure that socket is opened.
+ if(subscription.open_socket(subscription, "", CAN_PROTOCOL) < 0)
+ return -1;
+
+ can_message_t msg = can_message_t();
+ msg.set_bcm_msg(bcm_msg);
+
+ // If it's not an OBD2 CAN ID then just add a simple RX_SETUP job
+ // else monitor all standard 8 CAN OBD2 ID response.
+ if(bcm_msg.msg_head.can_id != OBD2_FUNCTIONAL_BROADCAST_ID)
+ {
+ subscription.socket_->write_message(msg);
+ if(! subscription.socket_)
+ return -1;
+ }
+ else
+ {
+ for(uint8_t i = 0; i < 8; i++)
+ {
+ bcm_msg.msg_head.can_id = OBD2_FUNCTIONAL_RESPONSE_START + i;
+ msg.set_bcm_msg(bcm_msg);
+ subscription.socket_->write_message(msg);
+ if(! subscription.socket_)
+ return -1;
+ }
+ }
+ return 0;
+}
+
+/// @brief Creates a TX_SEND job that is used by the BCM socket to
+/// send a message
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::tx_send(low_can_subscription_t &subscription, message_t *message, const std::string& bus_name)
+{
+ can_message_t *cm = static_cast<can_message_t*>(message);
+
+ struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cm->get_id(), cm->get_flags()|TX_CP_CAN_ID); // TX_CP_CAN_ID -> copy in cfd the id of bcm
+ cm->set_bcm_msg(bcm_msg);
+
+ std::vector<canfd_frame> cfd_vect = cm->convert_to_canfd_frame_vector();
+
+ if(subscription.open_socket(subscription, bus_name, CAN_PROTOCOL) < 0)
+ return -1;
+
+ struct bcm_msg &bcm_cm = cm->get_bcm_msg();
+
+ if(cfd_vect.size() > 1)
+ {
+ AFB_ERROR("Multi frame BCM not implemented");
+ return -1;
+ }
+ else if(cfd_vect.size() == 1) // raw or fd
+ {
+ subscription.add_one_bcm_frame(cfd_vect[0], bcm_cm);
+
+ if(subscription.socket_->write_message(*cm) < 0)
+ {
+ AFB_ERROR("Error write message id : %d", cfd_vect[0].can_id);
+ return -1;
+ }
+ }
+ else // error
+ {
+ AFB_ERROR("Error no data available");
+ return -1;
+ }
+
+ if(! subscription.socket_.get())
+ return -1;
+
+ return 0;
+}
+
+#ifdef USE_FEATURE_J1939
+/**
+ * @brief Allows to open socket j1939 and send j1939 messsage
+ *
+ * @param subscription The subscription
+ * @param message The j1939 message to send
+ * @param bus_name The bus name where to send message
+ * @return int 0 if ok else -1
+ */
+int low_can_subscription_t::j1939_send(low_can_subscription_t &subscription, message_t *message, const std::string& bus_name)
+{
+ //struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cfd.can_id);
+ //subscription.add_one_bcm_frame(cfd, bcm_msg);
+
+ if(subscription.open_socket(subscription, bus_name, J1939_PROTOCOL) < 0)
+ return -1;
+
+ j1939_message_t *jm = static_cast<j1939_message_t*>(message);
+ jm->set_sockname(jm->get_pgn(), J1939_NO_NAME, J1939_NO_ADDR);
+ if(subscription.socket_->write_message(*jm) < 0)
+ {
+ AFB_ERROR("Error write j1939 message");
+ return -1;
+ }
+
+ return 0;
+}
+#endif
+
+
+/**
+ * @brief Allows to open socket isotp and send can messsage
+ *
+ * @param subscription The subscription
+ * @param message The can message to send
+ * @param bus_name The bus name where to send message
+ * @return int 0 if ok else -1
+ */
+int low_can_subscription_t::isotp_send(low_can_subscription_t &subscription, message_t *message, const std::string& bus_name)
+{
+ //struct bcm_msg bcm_msg = subscription.make_bcm_head(TX_SEND, cfd.can_id);
+ //subscription.add_one_bcm_frame(cfd, bcm_msg);
+
+ if(subscription.open_socket(subscription, bus_name, ISOTP_PROTOCOL|ISOTP_SEND) < 0)
+ return -1;
+
+ can_message_t *cm = static_cast<can_message_t*>(message);
+ if(subscription.socket_->write_message(*cm) < 0)
+ {
+ AFB_ERROR("Error write iso tp message");
+ return -1;
+ }
+
+ return 0;
}
Code Review / apps / agl-service-can-low-level.git / blobdiff