* limitations under the License.
*/
-#include <map>
-#include <cerrno>
-#include <vector>
-#include <string>
-#include <fcntl.h>
-#include <unistd.h>
#include <net/if.h>
-#include <sys/ioctl.h>
#include <sys/socket.h>
#include <json-c/json.h>
#include <linux/can/raw.h>
+#include <map>
+#include <cerrno>
+#include <vector>
+#include <string>
+#include <algorithm>
#include "can-bus.hpp"
/// @brief Class constructor
///
/// @param[in] conf_file - handle to the json configuration file.
-can_bus_t::can_bus_t(int conf_file)
+can_bus_t::can_bus_t(utils::config_parser_t conf_file)
: conf_file_{conf_file}
-{
-}
+{}
std::map<std::string, std::shared_ptr<can_bus_dev_t>> can_bus_t::can_devices_;
+/// @brief Listen for all device sockets and fill can_messages_queue with them.
+/// Reading blocks until message arrive on listened sockets.
+///
+/// @return 0 if ok -1 if not
+int can_bus_t::can_reader()
+{
+ fd_set rfds;
+ int sock_max = INVALID_SOCKET;
+
+ FD_ZERO(&rfds);
+
+ for(auto& can_dev : can_devices_)
+ {
+ FD_SET(can_dev.second->get_socket().socket(), &rfds);
+ if (sock_max < can_dev.second->get_socket().socket())
+ sock_max = can_dev.second->get_socket().socket();
+ }
+
+ int ret;
+ while(is_reading_)
+ {
+ ret = select(sock_max + 1, &rfds, nullptr, nullptr, nullptr);
+
+ if(ret == -1)
+ perror("select()");
+ else if(ret > 0)
+ {
+ for(const auto& s: can_devices_)
+ {
+ if(FD_ISSET(s.second->get_socket().socket(), &rfds))
+ {
+ can_message_t msg;
+ s.second->get_socket() >> msg;
+ std::lock_guard<std::mutex> can_message_lock(get_can_message_mutex());
+ { push_new_can_message(msg); }
+ get_new_can_message_cv().notify_one();
+ }
+ }
+ }
+ else
+ printf("Timeout\n");
+ }
+ return 0;
+}
+
/// @brief Will make the decoding operation on a classic CAN message. It will not
/// handle CAN commands nor diagnostic messages that have their own method to get
/// this happens.
int can_bus_t::process_can_signals(can_message_t& can_message)
{
int processed_signals = 0;
- std::vector <can_signal_t*> signals;
+ struct utils::signals_found signals;
openxc_DynamicField search_key, decoded_message;
openxc_VehicleMessage vehicle_message;
+ configuration_t& conf = configuration_t::instance();
+ utils::signals_manager_t& sm = utils::signals_manager_t::instance();
// First we have to found which can_signal_t it is
search_key = build_DynamicField((double)can_message.get_id());
- configuration_t::instance().find_can_signals(search_key, signals);
+ signals = sm.find_signals(search_key);
// Decoding the message ! Don't kill the messenger !
- for(auto& sig : signals)
+ for(auto& sig : signals.can_signals)
{
- std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex());
- std::map<std::string, struct afb_event>& s = get_subscribed_signals();
+ std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
+ std::map<std::string, struct afb_event>& s = sm.get_subscribed_signals();
// DEBUG message to make easier debugger STL containers...
//DEBUG(binder_interface, "Operator[] key char: %s, event valid? %d", sig.generic_name, afb_event_is_valid(s[sig.generic_name]));
//DEBUG(binder_interface, "Nb elt matched string: %d", (int)s.count(std::string(sig.generic_name));
if( s.find(sig->get_name()) != s.end() && afb_event_is_valid(s[sig->get_name()]))
{
- decoded_message = decoder_t::translateSignal(*sig, can_message, configuration_t::instance().get_can_signals());
+ bool send = true;
+ decoded_message = decoder_t::translateSignal(*sig, can_message, conf.get_can_signals(), &send);
- openxc_SimpleMessage s_message = build_SimpleMessage(sig->get_name(), decoded_message);
- vehicle_message = build_VehicleMessage(s_message);
+ if(send)
+ {
+ openxc_SimpleMessage s_message = build_SimpleMessage(sig->get_name(), decoded_message);
+ vehicle_message = build_VehicleMessage(s_message);
- std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_);
- push_new_vehicle_message(vehicle_message);
+ std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_);
+ push_new_vehicle_message(vehicle_message);
+ }
processed_signals++;
}
}
- DEBUG(binder_interface, "process_can_signals: %d/%d CAN signals processed.", processed_signals, (int)signals.size());
+ DEBUG(binder_interface, "%s: %d/%d CAN signals processed.", __FUNCTION__, processed_signals, (int)signals.can_signals.size());
return processed_signals;
}
{
int processed_signals = 0;
- std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex());
- std::map<std::string, struct afb_event>& s = get_subscribed_signals();
+ utils::signals_manager_t& sm = utils::signals_manager_t::instance();
+
+ std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
+ std::map<std::string, struct afb_event>& s = sm.get_subscribed_signals();
openxc_VehicleMessage vehicle_message = manager.find_and_decode_adr(can_message);
if( (vehicle_message.has_simple_message && vehicle_message.simple_message.has_name) &&
openxc_VehicleMessage v_message;
openxc_SimpleMessage s_message;
json_object* jo;
+ utils::signals_manager_t& sm = utils::signals_manager_t::instance();
while(is_pushing_)
{
s_message = get_simple_message(v_message);
{
- std::lock_guard<std::mutex> subscribed_signals_lock(get_subscribed_signals_mutex());
- std::map<std::string, struct afb_event>& s = get_subscribed_signals();
+ std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
+ std::map<std::string, struct afb_event>& s = sm.get_subscribed_signals();
if(s.find(std::string(s_message.name)) != s.end() && afb_event_is_valid(s[std::string(s_message.name)]))
{
jo = json_object_new_object();
/// and push subscribed events.
void can_bus_t::start_threads()
{
+ is_reading_ = true;
+ th_reading_ = std::thread(&can_bus_t::can_reader, this);
+ if(!th_reading_.joinable())
+ is_reading_ = false;
+
is_decoding_ = true;
th_decoding_ = std::thread(&can_bus_t::can_decode_message, this);
if(!th_decoding_.joinable())
/// they'll finish their job.
void can_bus_t::stop_threads()
{
+ is_reading_ = false;
is_decoding_ = false;
is_pushing_ = false;
}
int i = 0;
size_t t;
- devices_name = read_conf();
-
- if (! devices_name.empty())
+ if(conf_file_.check_conf())
{
- t = devices_name.size();
-
- for(const auto& device : devices_name)
+ devices_name = conf_file_.get_devices_name();
+ if (! devices_name.empty())
{
- can_bus_t::can_devices_[device] = std::make_shared<can_bus_dev_t>(device, i);
- if (can_bus_t::can_devices_[device]->open() == 0)
- {
- DEBUG(binder_interface, "Start reading thread");
- NOTICE(binder_interface, "%s device opened and reading", device.c_str());
- can_bus_t::can_devices_[device]->start_reading(*this);
- i++;
- }
- else
+ t = devices_name.size();
+
+ for(const auto& device : devices_name)
{
- ERROR(binder_interface, "Can't open device %s", device.c_str());
- return 1;
+ can_bus_t::can_devices_[device] = std::make_shared<can_bus_dev_t>(device, i);
+ if (can_bus_t::can_devices_[device]->open() >= 0)
+ {
+ can_bus_t::can_devices_[device]->configure();
+ DEBUG(binder_interface, "%s: Start reading thread", __FUNCTION__);
+ NOTICE(binder_interface, "%s: %s device opened and reading", __FUNCTION__, device.c_str());
+ //can_bus_t::can_devices_[device]->start_reading(*this);
+ i++;
+ }
+ else
+ {
+ ERROR(binder_interface, "%s: Can't open device %s", __FUNCTION__, device.c_str());
+ return 1;
+ }
}
+ NOTICE(binder_interface, "%s: Initialized %d/%d can bus device(s)", __FUNCTION__, i, (int)t);
+ return 0;
}
-
- NOTICE(binder_interface, "Initialized %d/%d can bus device(s)", i, (int)t);
- return 0;
+ ERROR(binder_interface, "%s: Error at CAN device initialization. No devices read from configuration file", __FUNCTION__);
+ return 1;
}
- ERROR(binder_interface, "init_can_dev: Error at CAN device initialization. No devices read from configuration file. Did you specify canbus JSON object ?");
- return 1;
-}
-
-/// @brief read the conf_file_ and will parse json objects
-/// in it searching for canbus objects devices name.
-///
-/// @return Vector of can bus device name string.
-std::vector<std::string> can_bus_t::read_conf()
-{
- std::vector<std::string> ret;
- json_object *jo, *canbus;
- int n, i;
- const char* taxi;
-
- FILE *fd = fdopen(conf_file_, "r");
- if (fd)
- {
- std::string fd_conf_content;
- std::fseek(fd, 0, SEEK_END);
- fd_conf_content.resize(std::ftell(fd));
- std::rewind(fd);
- std::fread(&fd_conf_content[0], 1, fd_conf_content.size(), fd);
- std::fclose(fd);
-
- DEBUG(binder_interface, "Configuration file content : %s", fd_conf_content.c_str());
- jo = json_tokener_parse(fd_conf_content.c_str());
-
- if (jo == NULL || !json_object_object_get_ex(jo, "canbus", &canbus))
- {
- ERROR(binder_interface, "Can't find canbus node in the configuration file. Please review it.");
- ret.clear();
- }
- else if (json_object_get_type(canbus) != json_type_array)
- {
- taxi = json_object_get_string(canbus);
- DEBUG(binder_interface, "Can bus found: %s", taxi);
- ret.push_back(std::string(taxi));
- }
- else
- {
- n = json_object_array_length(canbus);
- for (i = 0 ; i < n ; i++)
- ret.push_back(json_object_get_string(json_object_array_get_idx(canbus, i)));
- }
- return ret;
- }
- ERROR(binder_interface, "Problem at reading the conf file");
- ret.clear();
- return ret;
+ ERROR(binder_interface, "%s: Can't read INI configuration file", __FUNCTION__);
+ return 2;
}
/// @brief return new_can_message_cv_ member
{
can_msg = can_message_q_.front();
can_message_q_.pop();
- DEBUG(binder_interface, "next_can_message: Here is the next can message : id %X, length %X, data %02X%02X%02X%02X%02X%02X%02X%02X", can_msg.get_id(), can_msg.get_length(),
+ DEBUG(binder_interface, "%s: Here is the next can message : id %X, length %X, data %02X%02X%02X%02X%02X%02X%02X%02X", __FUNCTION__, can_msg.get_id(), can_msg.get_length(),
can_msg.get_data()[0], can_msg.get_data()[1], can_msg.get_data()[2], can_msg.get_data()[3], can_msg.get_data()[4], can_msg.get_data()[5], can_msg.get_data()[6], can_msg.get_data()[7]);
return can_msg;
}
{
v_msg = vehicle_message_q_.front();
vehicle_message_q_.pop();
- DEBUG(binder_interface, "next_vehicle_message: next vehicle message poped");
+ DEBUG(binder_interface, "%s: next vehicle message poped", __FUNCTION__);
return v_msg;
}
vehicle_message_q_.push(v_msg);
}
+/// @brief Create a RX_SETUP receive job for the BCM socket of a CAN signal.
+///
+/// @return 0 if ok -1 if not.
+ int can_bus_t::create_rx_filter(const can_signal_t& s)
+ {
+ const std::string& bus = s.get_message().get_bus_name();
+ return can_bus_t::can_devices_[bus]->create_rx_filter(s);
+ }
+
/// @brief Return a map with the can_bus_dev_t initialized
///
/// @return map can_bus_dev_m_ map