#include <thread>
#include <wrap-json.h>
#include <systemd/sd-event.h>
-
#include "openxc.pb.h"
#include "application.hpp"
#include "../can/can-encoder.hpp"
#include "../utils/signals.hpp"
#include "../diagnostic/diagnostic-message.hpp"
#include "../utils/openxc-utils.hpp"
+#include "../utils/signals.hpp"
+#ifdef USE_FEATURE_J1939
+ #include "../can/message/j1939-message.hpp"
+ #include <linux/can/j1939.h>
+#endif
///******************************************************************************
///
/// SystemD event loop Callbacks
///
///*******************************************************************************/
-void on_no_clients(std::shared_ptr<low_can_subscription_t> can_subscription, uint32_t pid, std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
+void on_no_clients(std::shared_ptr<low_can_subscription_t> can_subscription, uint32_t pid, map_subscription& s)
{
bool is_permanent_recurring_request = false;
on_no_clients(can_subscription, s);
}
-void on_no_clients(std::shared_ptr<low_can_subscription_t> can_subscription, std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
+void on_no_clients(std::shared_ptr<low_can_subscription_t> can_subscription, map_subscription& s)
{
auto it = s.find(can_subscription->get_index());
s.erase(it);
int read_message(sd_event_source *event_source, int fd, uint32_t revents, void *userdata)
{
+
low_can_subscription_t* can_subscription = (low_can_subscription_t*)userdata;
if ((revents & EPOLLIN) != 0)
{
- std::shared_ptr<utils::socketcan_t> s = can_subscription->get_socket();
- std::shared_ptr<message_t> message = s->read_message();
-
- // Sure we got a valid CAN message ?
- if (! message->get_id() == 0 && ! message->get_length() == 0)
+ utils::signals_manager_t& sm = utils::signals_manager_t::instance();
+ std::lock_guard<std::mutex> subscribed_signals_lock(sm.get_subscribed_signals_mutex());
+ if(can_subscription->get_index() != -1)
{
- push_n_notify(message);
+ std::shared_ptr<utils::socketcan_t> s = can_subscription->get_socket();
+ if(s->socket() && s->socket() != -1)
+ {
+ std::shared_ptr<message_t> message = s->read_message();
+
+ // Sure we got a valid CAN message ?
+ if (! message->get_id() == 0 && ! message->get_length() == 0 && !(message->get_flags()&INVALID_FLAG))
+ {
+ push_n_notify(message);
+ }
+ }
}
}
static int subscribe_unsubscribe_signal(afb_req_t request,
bool subscribe,
std::shared_ptr<low_can_subscription_t>& can_subscription,
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
+ map_subscription& s)
{
int ret = 0;
int sub_index = can_subscription->get_index();
}
// Event doesn't exist , so let's create it
- if (! subscription_exists &&
- (ret = can_subscription->subscribe(request)) < 0)
+ if ((ret = can_subscription->subscribe(request)) < 0)
return ret;
if(! subscription_exists)
if( (ret = s[sub_index]->unsubscribe(request)) < 0)
return ret;
+ s.find(sub_index)->second->set_index(-1);
s.erase(sub_index);
-
return ret;
}
}
static int subscribe_unsubscribe_diagnostic_messages(afb_req_t request,
- bool subscribe,
- std::vector<std::shared_ptr<diagnostic_message_t> > diagnostic_messages,
- struct event_filter_t& event_filter,
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s,
- bool perm_rec_diag_req)
+ bool subscribe,
+ list_ptr_diag_msg_t diagnostic_messages,
+ struct event_filter_t& event_filter,
+ map_subscription& s,
+ bool perm_rec_diag_req)
{
int rets = 0;
application_t& app = application_t::instance();
else
{
if(sig->get_supported())
- {AFB_DEBUG("%s cancelled due to unsubscribe", sig->get_name().c_str());}
+ {
+ AFB_DEBUG("%s cancelled due to unsubscribe", sig->get_name().c_str());
+ }
else
{
AFB_WARNING("signal: %s isn't supported. Canceling operation.", sig->get_name().c_str());
rets++;
}
-
return rets;
}
static int subscribe_unsubscribe_signals(afb_req_t request,
- bool subscribe,
- std::vector<std::shared_ptr<signal_t> > signals,
- struct event_filter_t& event_filter,
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
+ bool subscribe,
+ list_ptr_signal_t signals,
+ struct event_filter_t& event_filter,
+ map_subscription& s)
{
int rets = 0;
for(const auto& sig: signals)
/// @param[in] afb_req request : contains original request use to subscribe or unsubscribe
/// @param[in] subscribe boolean value, which chooses between a subscription operation or an unsubscription
/// @param[in] signals - struct containing vectors with signal_t and diagnostic_messages to subscribe
+/// @param[in] event_filter - stuct containing filter on the signal
///
/// @return Number of correctly subscribed signal
///
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<int, std::shared_ptr<low_can_subscription_t> >& s = sm.get_subscribed_signals();
+ map_subscription& s = sm.get_subscribed_signals();
rets += subscribe_unsubscribe_diagnostic_messages(request, subscribe, signals.diagnostic_messages, event_filter, s, false);
rets += subscribe_unsubscribe_signals(request, subscribe, signals.signals, event_filter, s);
if (json_object_object_get_ex(filter, "max", &obj)
&& (json_object_is_type(obj, json_type_double) || json_object_is_type(obj, json_type_int)))
{event_filter.max = (float)json_object_get_double(obj);}
+ if (json_object_object_get_ex(filter, "rx_id", &obj)
+ && (json_object_is_type(obj, json_type_int)))
+ {event_filter.rx_id = (canid_t) json_object_get_int(obj);}
+ if (json_object_object_get_ex(filter, "tx_id", &obj)
+ && (json_object_is_type(obj, json_type_int)))
+ {event_filter.tx_id = (canid_t) json_object_get_int(obj);}
}
return event_filter;
}
// subscribe or unsubscribe
openxc_DynamicField search_key = build_DynamicField(tag);
sf = utils::signals_manager_t::instance().find_signals(search_key);
+
+
+#ifdef USE_FEATURE_ISOTP
+ if(sf.signals.size() > 1)
+ {
+ sf.signals.remove_if([](std::shared_ptr<signal_t> x){
+ bool isotp = x->get_message()->is_isotp();
+ if(isotp)
+ {
+ AFB_NOTICE("ISO TP messages need to be subscribed one by one (rx, tx)");
+ }
+ return isotp;
+ });
+ }
+#endif
+
if (sf.signals.empty() && sf.diagnostic_messages.empty())
{
AFB_NOTICE("No signal(s) found for %s.", tag.c_str());
if(message_definition)
{
- sf.signals = message_definition->get_signals();
+ sf.signals = list_ptr_signal_t(message_definition->get_signals().begin(),message_definition->get_signals().end());
}
if(sf.signals.empty())
{
return low_can_subscription_t::tx_send(*cd[bus_name], cfd, bus_name);
}
+ else if(type == socket_type::J1939)
+ {
+ return low_can_subscription_t::j1939_send(*cd[bus_name], cfd, bus_name);
+ }
else{
return -1;
}
}
*/
-static int send_message(message_t *message, const std::string& bus_name, socket_type type)
+static int send_message(message_t *message, const std::string& bus_name, uint32_t flags, event_filter_t &event_filter, std::shared_ptr<signal_t> signal)
{
if(bus_name.empty())
{
if( cd.count(bus_name) == 0)
{
- cd[bus_name] = std::make_shared<low_can_subscription_t>(low_can_subscription_t());
+ cd[bus_name] = std::make_shared<low_can_subscription_t>(low_can_subscription_t(event_filter));
}
+ cd[bus_name]->set_signal(signal);
- if(type == socket_type::BCM)
+
+ if(flags&BCM_PROTOCOL)
{
return low_can_subscription_t::tx_send(*cd[bus_name], message, bus_name);
}
+#ifdef USE_FEATURE_ISOTP
+ else if(flags&ISOTP_PROTOCOL)
+ {
+ return low_can_subscription_t::isotp_send(*cd[bus_name], message, bus_name);
+ }
+#endif
+#ifdef USE_FEATURE_J1939
+ else if(flags&J1939_PROTOCOL)
+ {
+ return low_can_subscription_t::j1939_send(*cd[bus_name], message, bus_name);
+ }
+#endif
else
{
return -1;
}
-static void write_raw_frame(afb_req_t request, const std::string& bus_name, message_t *message, struct json_object *can_data, socket_type type)
+static void write_raw_frame(afb_req_t request, const std::string& bus_name, message_t *message,
+ struct json_object *can_data, uint32_t flags, event_filter_t &event_filter)
{
- if((message->get_length() <= 8 && message->get_length() > 0 && type == socket_type::BCM)
-#ifdef USE_FEATURE_J1939
- || (message->get_length() < J1939_MAX_DLEN && type == socket_type::J1939)
-#endif
- )
+
+ struct utils::signals_found sf;
+
+ utils::signals_manager_t::instance().lookup_signals_by_id(message->get_id(), application_t::instance().get_all_signals(), sf.signals);
+
+ if( !sf.signals.empty() )
{
+ AFB_DEBUG("ID WRITE RAW : %d",sf.signals.front()->get_message()->get_id());
+ if(flags&BCM_PROTOCOL)
+ {
+ if(sf.signals.front()->get_message()->is_fd())
+ {
+ AFB_DEBUG("CANFD_MAX_DLEN");
+ message->set_flags(CAN_FD_FRAME);
+ message->set_maxdlen(CANFD_MAX_DLEN);
+ }
+ else
+ {
+ AFB_DEBUG("CAN_MAX_DLEN");
+ message->set_maxdlen(CAN_MAX_DLEN);
+ }
- std::vector<uint8_t> data;
- for (int i = 0 ; i < message->get_length() ; i++)
+ if(sf.signals.front()->get_message()->is_isotp())
+ {
+ flags = ISOTP_PROTOCOL;
+ message->set_maxdlen(MAX_ISOTP_FRAMES * message->get_maxdlen());
+ }
+ }
+
+#ifdef USE_FEATURE_J1939
+ if(flags&J1939_PROTOCOL)
{
- struct json_object *one_can_data = json_object_array_get_idx(can_data, i);
- data.push_back((json_object_is_type(one_can_data, json_type_int)) ?
- (uint8_t)json_object_get_int(one_can_data) : 0);
+ message->set_maxdlen(J1939_MAX_DLEN);
}
- message->set_data(data);
- }
- else
- {
- if(type == socket_type::BCM)
+#endif
+
+ if(message->get_length() > 0 && message->get_length() <= message->get_maxdlen())
{
- afb_req_fail(request, "Invalid", "Data array must hold 1 to 8 values.");
+ std::vector<uint8_t> data;
+ for (int i = 0 ; i < message->get_length() ; i++)
+ {
+ struct json_object *one_can_data = json_object_array_get_idx(can_data, i);
+ data.push_back((json_object_is_type(one_can_data, json_type_int)) ?
+ (uint8_t)json_object_get_int(one_can_data) : 0);
+ }
+ message->set_data(data);
}
else
{
- afb_req_fail(request, "Invalid", "Invalid socket type");
+ if(flags&BCM_PROTOCOL)
+ {
+ afb_req_fail(request, "Invalid", "Frame BCM");
+ }
+ else if(flags&J1939_PROTOCOL)
+ {
+ afb_req_fail(request, "Invalid", "Frame J1939");
+ }
+ else if(flags&ISOTP_PROTOCOL)
+ {
+ afb_req_fail(request, "Invalid", "Frame ISOTP");
+ }
+ else
+ {
+ afb_req_fail(request, "Invalid", "Frame");
+ }
+ return;
}
- return;
- }
- if(! send_message(message, application_t::instance().get_can_bus_manager().get_can_device_name(bus_name),type))
- {
- afb_req_success(request, nullptr, "Message correctly sent");
+ if(! send_message(message, application_t::instance().get_can_bus_manager().get_can_device_name(bus_name), flags, event_filter, sf.signals.front()))
+ {
+ afb_req_success(request, nullptr, "Message correctly sent");
+ }
+ else
+ {
+ afb_req_fail(request, "Error", "sending the message. See the log for more details.");
+ }
}
else
{
- afb_req_fail(request, "Error", "sending the message. See the log for more details.");
+ afb_req_fail(request, "Error", "no find id in signals. See the log for more details.");
}
+
}
-static void write_frame(afb_req_t request, const std::string& bus_name, json_object *json_value)
+static void write_frame(afb_req_t request, const std::string& bus_name, json_object *json_value, event_filter_t &event_filter)
{
message_t *message;
int id;
AFB_DEBUG("JSON content %s",json_object_get_string(json_value));
if(!wrap_json_unpack(json_value, "{si, si, so !}",
- "can_id", &id,
- "can_dlc", &length,
- "can_data", &can_data))
+ "can_id", &id,
+ "can_dlc", &length,
+ "can_data", &can_data))
{
- message = new can_message_t(CANFD_MAX_DLEN,(uint32_t)id,(uint32_t)length,message_format_t::STANDARD,false,0,data,0);
- write_raw_frame(request,bus_name,message,can_data,socket_type::BCM);
+ message = new can_message_t(0,(uint32_t)id,(uint32_t)length,false,0,data,0);
+ write_raw_frame(request,bus_name,message,can_data,BCM_PROTOCOL,event_filter);
}
+#ifdef USE_FEATURE_J1939
+ else if(!wrap_json_unpack(json_value, "{si, si, so !}",
+ "pgn", &id,
+ "length", &length,
+ "data", &can_data))
+ {
+ message = new j1939_message_t((uint32_t)length,data,0,J1939_NO_NAME,(pgn_t)id,J1939_NO_ADDR);
+ write_raw_frame(request,bus_name,message,can_data,J1939_PROTOCOL, event_filter);
+ }
+#endif
else
{
afb_req_fail(request, "Invalid", "Frame object malformed");
delete message;
}
-static void write_signal(afb_req_t request, const std::string& name, json_object *json_value)
+static void write_signal(afb_req_t request, const std::string& name, json_object *json_value, event_filter_t &event_filter)
{
struct canfd_frame cfd;
struct utils::signals_found sf;
return;
}
- std::shared_ptr<signal_t>& sig = sf.signals[0];
+ std::shared_ptr<signal_t> sig = sf.signals.front();
if(! sig->get_writable())
{
afb_req_fail_f(request, "%s isn't writable. Message not sent.", sig->get_name().c_str());
encoder(*sig, dynafield_value, &send) :
encoder_t::encode_DynamicField(*sig, dynafield_value, &send);
- socket_type type = socket_type::INVALID;
+ uint32_t flags = INVALID_FLAG;
if(sig->get_message()->is_j1939())
{
- type = socket_type::J1939;
+ flags = J1939_PROTOCOL;
+ }
+ else if(sig->get_message()->is_isotp())
+ {
+ flags = ISOTP_PROTOCOL;
}
else
{
- type = socket_type::BCM;
+ flags = BCM_PROTOCOL;
}
// cfd = encoder_t::build_frame(sig, value);
- message_t *message = encoder_t::build_message(sig,value);
+ message_t *message = encoder_t::build_message(sig,value,false,false);
- if(! send_message(message, sig->get_message()->get_bus_device_name(), type) && send)
+ if(! send_message(message, sig->get_message()->get_bus_device_name(), flags, event_filter, sig) && send)
{
afb_req_success(request, nullptr, "Message correctly sent");
}
void write(afb_req_t request)
{
- struct json_object* args = nullptr, *json_value = nullptr;
- const char *name = nullptr;
-
+ struct json_object* args = nullptr, *json_value = nullptr, *name = nullptr;
args = afb_req_json(request);
- // Process about Raw CAN message on CAN bus directly
- if (args != NULL && ! wrap_json_unpack(args, "{ss, so !}",
- "bus_name", &name,
- "frame", &json_value))
- write_frame(request, name, json_value);
-
- // Search signal then encode value.
- else if(args != NULL &&
- ! wrap_json_unpack(args, "{ss, so !}",
- "signal_name", &name,
- "signal_value", &json_value))
- write_signal(request, std::string(name), json_value);
+ if(args != NULL)
+ {
+ event_filter_t event_filter = generate_filter(args);
+
+ if(json_object_object_get_ex(args,"bus_name",&name))
+ {
+ if(json_object_object_get_ex(args,"frame",&json_value))
+ {
+ write_frame(request, (std::string)json_object_get_string(name), json_value, event_filter);
+ }
+ else
+ {
+ afb_req_fail(request, "Error", "Request argument malformed");
+ }
+ }
+ else if(json_object_object_get_ex(args,"signal_name",&name))
+ {
+ if(json_object_object_get_ex(args,"signal_value",&json_value))
+ {
+ write_signal(request, (std::string)json_object_get_string(name), json_value, event_filter);
+ }
+ else
+ {
+ afb_req_fail(request, "Error", "Request argument malformed");
+ }
+ }
+ else {
+ afb_req_fail(request, "Error", "Request argument malformed");
+ }
+ }
else
- afb_req_fail(request, "Error", "Request argument malformed");
+ {
+ afb_req_fail(request, "Error", "Request argument null");
+ }
}
static struct json_object *get_signals_value(const std::string& name)
/// @return Exit code, zero if success.
int init_binding(afb_api_t api)
{
- uint32_t ret = 1;
- can_bus_t& can_bus_manager = application_t::instance().get_can_bus_manager();
+ int ret = 1;
+ application_t& application = application_t::instance();
+ can_bus_t& can_bus_manager = application.get_can_bus_manager();
can_bus_manager.set_can_devices();
can_bus_manager.start_threads();
struct event_filter_t event_filter;
event_filter.frequency = sf.diagnostic_messages.front()->get_frequency();
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s = sm.get_subscribed_signals();
+ map_subscription& s = sm.get_subscribed_signals();
subscribe_unsubscribe_diagnostic_messages(request, true, sf.diagnostic_messages, event_filter, s, true);
}
+
+#ifdef USE_FEATURE_J1939
+ vect_ptr_msg_def_t current_messages_definition = application.get_messages_definition();
+ for(std::shared_ptr<message_definition_t> message_definition: current_messages_definition)
+ {
+ if(message_definition->is_j1939())
+ {
+ std::shared_ptr<low_can_subscription_t> low_can_j1939 = std::make_shared<low_can_subscription_t>();
+
+ application.set_subscription_address_claiming(low_can_j1939);
+
+ ret = low_can_subscription_t::open_socket(*low_can_j1939,
+ message_definition->get_bus_device_name(),
+ J1939_ADDR_CLAIM_PROTOCOL);
+ if(ret < 0)
+ {
+ AFB_ERROR("Error open socket address claiming for j1939 protocol");
+ return -1;
+ }
+
+// std::shared_ptr<low_can_subscription_t> saddrclaim = application.get_subscription_address_claiming();
+
+ add_to_event_loop(low_can_j1939);
+ break;
+ }
+ }
+#endif
+
if(ret)
+ {
AFB_ERROR("There was something wrong with CAN device Initialization.");
+ }
return ret;
}