#include <mutex>
#include <vector>
#include <thread>
-#include <json-c/json.h>
+#include <wrap-json.h>
#include <systemd/sd-event.h>
#include "openxc.pb.h"
///
///*******************************************************************************/
-static int make_subscription_unsubscription(struct afb_req request,
- std::shared_ptr<low_can_subscription_t>& can_subscription,
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s,
- bool subscribe)
+static int make_subscription_unsubscription(afb_req_t request,
+ std::shared_ptr<low_can_subscription_t>& can_subscription,
+ std::map<int, std::shared_ptr<low_can_subscription_t> >& s,
+ bool subscribe)
{
- /* Make the subscription or unsubscription to the event (if request contents are not null) */
- if(request.itf && request.closure &&
+ /* Make the subscription or unsubscription to the event (if request is not null) */
+ if(request &&
((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, s[can_subscription->get_index()]->get_event())) < 0)
{
AFB_ERROR("Operation goes wrong for signal: %s", can_subscription->get_name().c_str());
}
static int create_event_handle(std::shared_ptr<low_can_subscription_t>& can_subscription,
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
+ std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
{
int sub_index = can_subscription->get_index();
can_subscription->set_event(afb_daemon_make_event(can_subscription->get_name().c_str()));
return 0;
}
-/// @brief Will determine if it is needed or not to create the event handle and checks it to be sure that
-/// we got a valid afb_event to get subscribe or unsubscribe. Then launch the subscription or unsubscription
+/// @brief This will determine if an event handle needs to be created and checks if
+/// we got a valid afb_event to get subscribe or unsubscribe. After that launch the subscription or unsubscription
/// against the application framework using that event handle.
-static int subscribe_unsubscribe_signal(struct afb_req request,
- bool subscribe,
- std::shared_ptr<low_can_subscription_t>& can_subscription,
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
+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)
{
int ret = -1;
int sub_index = can_subscription->get_index();
else
{
/* Event doesn't exist , so let's create it */
- can_subscription->set_event({nullptr, nullptr});
s[sub_index] = can_subscription;
ret = create_event_handle(can_subscription, s);
}
- // Check whether or not the event handler has been correctly created and
- // make the subscription/unsubscription operation is so.
+ // Checks if the event handler is correctly created, if it is, it
+ // performs the subscription or unsubscription operations.
if (ret < 0)
return ret;
return make_subscription_unsubscription(request, can_subscription, s, subscribe);
can_subscription.get()));
}
-static int subscribe_unsubscribe_diagnostic_messages(struct afb_req 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)
+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)
{
int rets = 0;
application_t& app = application_t::instance();
can_subscription = it != s.end() ?
it->second :
std::make_shared<low_can_subscription_t>(low_can_subscription_t(event_filter));
- // If the requested diagnostic message isn't supported by the car then unsubcribe it
- // no matter what we want, worse case will be a fail unsubscription but at least we don't
+ // If the requested diagnostic message is not supported by the car then unsubcribe it
+ // no matter what we want, worst case will be a failed unsubscription but at least we won't
// poll a PID for nothing.
if(sig->get_supported() && subscribe)
{
return rets;
}
-static int subscribe_unsubscribe_can_signals(struct afb_req request,
- bool subscribe,
- std::vector<std::shared_ptr<can_signal_t> > can_signals,
- struct event_filter_t& event_filter,
- std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
+static int subscribe_unsubscribe_can_signals(afb_req_t request,
+ bool subscribe,
+ std::vector<std::shared_ptr<can_signal_t> > can_signals,
+ struct event_filter_t& event_filter,
+ std::map<int, std::shared_ptr<low_can_subscription_t> >& s)
{
int rets = 0;
for(const auto& sig: can_signals)
///
/// @brief subscribe to all signals in the vector signals
///
-/// @param[in] afb_req request : contain original request use to subscribe or unsubscribe
-/// @param[in] subscribe boolean value used to chose between a subscription operation or an unsubscription
+/// @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 can_signal_t and diagnostic_messages to subscribe
///
/// @return Number of correctly subscribed signal
///
-static int subscribe_unsubscribe_signals(struct afb_req request,
- bool subscribe,
- const struct utils::signals_found& signals,
- struct event_filter_t& event_filter)
+static int subscribe_unsubscribe_signals(afb_req_t request,
+ bool subscribe,
+ const struct utils::signals_found& signals,
+ struct event_filter_t& event_filter)
{
int rets = 0;
utils::signals_manager_t& sm = utils::signals_manager_t::instance();
return rets;
}
-static int one_subscribe_unsubscribe(struct afb_req request,
- bool subscribe,
- const std::string& tag,
- json_object* args)
+static int one_subscribe_unsubscribe(afb_req_t request,
+ bool subscribe,
+ const std::string& tag,
+ json_object* args)
{
int ret = 0;
struct event_filter_t event_filter;
return ret;
}
-static int process_one_subscribe_args(struct afb_req request, bool subscribe, json_object *args)
+static int process_one_subscribe_args(afb_req_t request, bool subscribe, json_object *args)
{
int rc = 0, rc2=0;
json_object *x = nullptr, *event = nullptr;
return rc;
}
-static void do_subscribe_unsubscribe(struct afb_req request, bool subscribe)
+static void do_subscribe_unsubscribe(afb_req_t request, bool subscribe)
{
int rc = 0;
struct json_object *args, *x;
afb_req_fail(request, "error", NULL);
}
-void auth(struct afb_req request)
+void auth(afb_req_t request)
{
afb_req_session_set_LOA(request, 1);
afb_req_success(request, NULL, NULL);
}
-void subscribe(struct afb_req request)
+void subscribe(afb_req_t request)
{
do_subscribe_unsubscribe(request, true);
}
-void unsubscribe(struct afb_req request)
+void unsubscribe(afb_req_t request)
{
do_subscribe_unsubscribe(request, false);
}
static int send_frame(const std::string& bus_name, const struct can_frame& cf)
{
+ if(bus_name.empty()) {
+ return -1;
+ }
+
std::map<std::string, std::shared_ptr<low_can_socket_t> >& cd = application_t::instance().get_can_devices();
if( cd.count(bus_name) == 0)
return cd[bus_name]->tx_send(cf, bus_name);
}
-static int write_raw_frame(const std::string& bus_name, uint32_t can_id, uint8_t can_dlc, struct json_object* can_data)
+static void write_raw_frame(afb_req_t request, const std::string& bus_name, json_object *json_value)
{
- int rc = 0;
struct can_frame cf;
+ struct json_object *json_can_data = nullptr;
::memset(&cf, 0, sizeof(cf));
- cf.can_id = can_id;
- cf.can_dlc = can_dlc;
-
- struct json_object *x;
- size_t n = json_object_array_length(can_data);
- if(n <= 8)
+ if(! wrap_json_unpack(json_value, "{sF, sF, so !}",
+ "can_id", &cf.can_id,
+ "can_dlc", &cf.can_dlc,
+ "can_data", &json_can_data))
{
- for (int i = 0 ; i < n ; i++)
+ struct json_object *one_can_data;
+ size_t n = json_object_array_length(json_can_data);
+
+ if(n <= 8 && n > 0)
+ {
+ for (int i = 0 ; i < n ; i++)
+ {
+ one_can_data = json_object_array_get_idx(json_can_data, i);
+ cf.data[i] = json_object_get_type(one_can_data) == json_type_int ? (uint8_t)json_object_get_int(one_can_data) : 0;
+ }
+ }
+ else
{
- x = json_object_array_get_idx(can_data, i);
- cf.data[i] = json_object_get_type(x) == json_type_int ? (uint8_t)json_object_get_int(x) : 0;
+ afb_req_fail(request, "Error", "Data array must hold 1 to 8 values.");
+ return;
}
- }
- const std::string found_device = application_t::instance().get_can_bus_manager().get_can_device_name(bus_name);
- if( ! found_device.empty())
- {
- rc = send_frame(found_device, cf);
+ if(! send_frame(application_t::instance().get_can_bus_manager().get_can_device_name(bus_name), cf))
+ afb_req_success(request, nullptr, "Message correctly sent");
+ else
+ afb_req_fail(request, "Error", "sending the message. See the log for more details.");
+
+ return;
}
- return rc;
+ afb_req_fail(request, "Error", "Frame object malformed (must be \n \"frame\": {\"can_id\": int, \"can_dlc\": int, \"can_data\": [ int, int , int, int ,int , int ,int ,int]}");
}
-static int write_signal(const std::string& name, uint64_t value)
+
+static void write_signal(afb_req_t request, const std::string& name, json_object *json_value)
{
- int rc = 0;
struct can_frame cf;
struct utils::signals_found sf;
+ signal_encoder encoder = nullptr;
+ bool send = true;
::memset(&cf, 0, sizeof(cf));
openxc_DynamicField search_key = build_DynamicField(name);
sf = utils::signals_manager_t::instance().find_signals(search_key);
+ openxc_DynamicField dynafield_value = build_DynamicField(json_value);
if (sf.can_signals.empty())
{
- AFB_WARNING("No signal(s) found for %s. Message not sent.", name.c_str());
- rc = -1;
+ afb_req_fail_f(request, "No signal(s) found for %s. Message not sent.", name.c_str());
+ return;
}
- else
+
+ std::shared_ptr<can_signal_t>& sig = sf.can_signals[0];
+ if(! sig->get_writable())
{
- for(const auto& sig: sf.can_signals)
- {
- if(sig->get_writable())
- {
- cf = encoder_t::build_frame(sig, value);
- const std::string bus_name = sig->get_message()->get_bus_device_name();
- rc = send_frame(bus_name, cf);
- }
- else
- {
- AFB_WARNING("%s isn't writable. Message not sent.", sig->get_name().c_str());
- return -1;
- }
- }
+ afb_req_fail_f(request, "%s isn't writable. Message not sent.", sig->get_name().c_str());
+ return;
}
- return rc;
+ uint64_t value = (encoder = sig->get_encoder()) ?
+ encoder(*sig, dynafield_value, &send) :
+ encoder_t::encode_DynamicField(*sig, dynafield_value, &send);
+
+ if(! send_frame(sig->get_message()->get_bus_device_name(), encoder_t::build_frame(sig, value)) &&
+ send)
+ afb_req_success(request, nullptr, "Message correctly sent");
+ else
+ afb_req_fail(request, "Error", "Sending the message. See the log for more details.");
}
-void write(struct afb_req request)
+void write(afb_req_t request)
{
- int rc = 0;
- struct json_object* args = nullptr,
- *json_name = nullptr,
- *json_value = nullptr;
+ struct json_object* args = nullptr, *json_value = nullptr;
+ const char *name = nullptr;
args = afb_req_json(request);
// Process about Raw CAN message on CAN bus directly
- if (args != NULL &&
- (json_object_object_get_ex(args, "bus_name", &json_name) && json_object_is_type(json_name, json_type_string) ) &&
- (json_object_object_get_ex(args, "frame", &json_value) && json_object_is_type(json_value, json_type_object) ))
- {
- struct json_object* json_can_id = nullptr,
- *json_can_dlc = nullptr,
- *json_can_data = nullptr;
+ if (args != NULL && ! wrap_json_unpack(args, "{ss, so !}",
+ "bus_name", &name,
+ "frame", &json_value))
+ write_raw_frame(request, name, json_value);
- if( (json_object_object_get_ex(json_value, "can_id", &json_can_id) && (json_object_is_type(json_can_id, json_type_double) || json_object_is_type(json_can_id, json_type_int))) &&
- (json_object_object_get_ex(json_value, "can_dlc", &json_can_dlc) && (json_object_is_type(json_can_dlc, json_type_double) || json_object_is_type(json_can_dlc, json_type_int))) &&
- (json_object_object_get_ex(json_value, "can_data", &json_can_data) && json_object_is_type(json_can_data, json_type_array) ))
- {
- rc = write_raw_frame(json_object_get_string(json_name),
- json_object_get_int(json_can_id),
- (uint8_t)json_object_get_int(json_can_dlc),
- json_can_data);
- }
- else
- {
- AFB_ERROR("Frame object malformed (must be \n \"frame\": {\"can_id\": int, \"can_dlc\": int, \"can_data\": [ int, int , int, int ,int , int ,int ,int]}");
- rc = -1;
- }
- }
// Search signal then encode value.
else if(args != NULL &&
- (json_object_object_get_ex(args, "signal_name", &json_name) && json_object_is_type(json_name, json_type_string)) &&
- (json_object_object_get_ex(args, "signal_value", &json_value) && (json_object_is_type(json_value, json_type_double) || json_object_is_type(json_value, json_type_int))))
- {
- rc = write_signal(json_object_get_string(json_name),
- (uint64_t)json_object_get_double(json_value));
- }
+ ! wrap_json_unpack(args, "{ss, so !}",
+ "signal_name", &name,
+ "signal_value", &json_value))
+ write_signal(request, std::string(name), json_value);
else
- {
- AFB_ERROR("Request argument malformed. Please use the following syntax:");
- rc = -1;
- }
-
- if (rc >= 0)
- afb_req_success(request, NULL, NULL);
- else
- afb_req_fail(request, "error", NULL);
+ afb_req_fail(request, "Error", "Request argument malformed");
}
static struct json_object *get_signals_value(const std::string& name)
return ans;
}
-void get(struct afb_req request)
+void get(afb_req_t request)
{
int rc = 0;
struct json_object* args = nullptr,
return ans;
}
-void list(struct afb_req request)
+void list(afb_req_t request)
{
int rc = 0;
json_object *ans = nullptr;
/// @param[in] service Structure which represent the Application Framework Binder.
///
/// @return Exit code, zero if success.
-int initv2()
+int init_binding(afb_api_t api)
{
uint32_t ret = 1;
can_bus_t& can_bus_manager = application_t::instance().get_can_bus_manager();
if(application_t::instance().get_diagnostic_manager().initialize())
ret = 0;
- // Add a recurring dignostic message request to get engine speed continuously
+ // Add a recurring dignostic message request to get engine speed at all times.
openxc_DynamicField search_key = build_DynamicField("diagnostic_messages.engine.speed");
struct utils::signals_found sf = utils::signals_manager_t::instance().find_signals(search_key);
if(sf.can_signals.empty() && sf.diagnostic_messages.size() == 1)
{
- struct afb_req request;
- request.itf = nullptr;
- request.closure = nullptr;
+ afb_req_t request = nullptr;
struct event_filter_t event_filter;
event_filter.frequency = sf.diagnostic_messages.front()->get_frequency();