summaryrefslogtreecommitdiffstats
path: root/CAN-binder
diff options
context:
space:
mode:
authorRomain Forlot <romain.forlot@iot.bzh>2017-05-31 12:46:02 +0200
committerRomain Forlot <romain.forlot@iot.bzh>2017-06-01 18:22:49 +0200
commit1f4eb8c5562bf5c0bc6ebd1b35977cd71d9b3a83 (patch)
tree0373a64035f894a7b18139306cbf879989d28268 /CAN-binder
parentc28f479a597de89f38b2bbd155afc26c7f2de822 (diff)
Reworked subscription to integrate filtering.
- Creation of an object which old the subscription context (filter, signal) : low_can_subscription_t - Move socket from can_signal_t to this new object. - Adding a member to can_message_t to transport subscription_id to be able to retrieve it with all the context through running. Change-Id: I87be8cd6c3c93a81040357920d8c081a316800c3 Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'CAN-binder')
-rw-r--r--CAN-binder/low-can-binding/binding/low-can-cb.cpp339
-rw-r--r--CAN-binder/low-can-binding/binding/low-can-cb.hpp72
-rw-r--r--CAN-binder/low-can-binding/binding/low-can-hat.cpp1
-rw-r--r--CAN-binder/low-can-binding/binding/low-can-hat.hpp8
-rw-r--r--CAN-binder/low-can-binding/can/can-bus.cpp40
-rw-r--r--CAN-binder/low-can-binding/can/can-bus.hpp9
-rw-r--r--CAN-binder/low-can-binding/can/can-message.cpp22
-rw-r--r--CAN-binder/low-can-binding/can/can-message.hpp3
-rw-r--r--CAN-binder/low-can-binding/can/can-signals.cpp46
-rw-r--r--CAN-binder/low-can-binding/can/can-signals.hpp4
-rw-r--r--CAN-binder/low-can-binding/utils/signals.cpp2
-rw-r--r--CAN-binder/low-can-binding/utils/signals.hpp5
-rw-r--r--CAN-binder/low-can-binding/utils/socketcan-bcm.cpp1
13 files changed, 398 insertions, 154 deletions
diff --git a/CAN-binder/low-can-binding/binding/low-can-cb.cpp b/CAN-binder/low-can-binding/binding/low-can-cb.cpp
index 8141c3d..e34ceaa 100644
--- a/CAN-binder/low-can-binding/binding/low-can-cb.cpp
+++ b/CAN-binder/low-can-binding/binding/low-can-cb.cpp
@@ -35,20 +35,214 @@
#include "../utils/signals.hpp"
#include "../diagnostic/diagnostic-message.hpp"
#include "../utils/openxc-utils.hpp"
+#include "canutil/write.h"
extern "C"
{
#include <afb/afb-service-itf.h>
};
-void on_no_clients(std::string message)
+///******************************************************************************
+///
+/// low_can_subscription_t object
+///
+///*******************************************************************************/
+
+low_can_subscription_t::low_can_subscription_t()
+ : index_{-1},
+ sig_name_{},
+ bus_name_{""},
+ can_id_{0},
+ bit_position_{0},
+ bit_size_{0},
+ factor_{-1.0},
+ offset_{-1},
+ socket_{}
+{}
+
+low_can_subscription_t::low_can_subscription_t(struct event_filter_t event_filter)
+ : event_filter_{event_filter}
+{}
+
+low_can_subscription_t::low_can_subscription_t( low_can_subscription_t&& s)
+ : index_{s.index_},
+ sig_name_{s.sig_name_},
+ bus_name_{s.bus_name_},
+ can_id_{s.can_id_},
+ bit_position_{s.bit_position_},
+ bit_size_{s.bit_size_},
+ factor_{s.factor_},
+ offset_{s.offset_},
+ event_filter_{s.event_filter_},
+ 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::operator bool() const
+{
+ return socket_.socket() != INVALID_SOCKET;
+}
+
+int low_can_subscription_t::get_index() const
+{
+ return index_;
+}
+
+const std::string low_can_subscription_t::get_sig_name() const
+{
+ return sig_name_;
+}
+
+float low_can_subscription_t::get_frequency() const
+{
+ return event_filter_.frequency;
+}
+
+float low_can_subscription_t::get_min() const
+{
+ return event_filter_.min;
+}
+
+float low_can_subscription_t::get_max() const
+{
+ return event_filter_.max;
+}
+
+utils::socketcan_bcm_t& low_can_subscription_t::get_socket()
+{
+ return socket_;
+}
+
+void low_can_subscription_t::set_frequency(float freq)
{
- DiagnosticRequest* diag_req = configuration_t::instance().get_request_from_diagnostic_message(message);
+ event_filter_.frequency = freq;
+}
+
+void low_can_subscription_t::set_min(float min)
+{
+ event_filter_.min = min;
+}
+
+void low_can_subscription_t::set_max(float max)
+{
+ event_filter_.max = max;
+}
+
+/// @brief Create a RX_SETUP receive job used by the BCM socket.
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter(const std::string& bus_name, const std::string& sig_name, uint32_t can_id, uint8_t bit_position, uint8_t bit_size, float factor, float offset)
+{
+ // Make sure that socket has been opened.
+ if(! socket_)
+ {
+ socket_.open(bus_name);
+ index_ = (int)socket_.socket();
+ }
+
+ sig_name_ = sig_name;
+ bus_name_ = bus_name;
+ can_id_ = can_id;
+ bit_position_ = bit_position;
+ bit_size_ = bit_size;
+ factor_ = factor;
+ offset_ = offset;
+
+ struct utils::simple_bcm_msg bcm_msg;
+ struct can_frame cfd;
+
+ memset(&cfd, 0, sizeof(cfd));
+ memset(&bcm_msg.msg_head, 0, sizeof(bcm_msg.msg_head));
+ float val = (float)(1 << bit_size_) - 1;
+
+ struct timeval freq;
+ frequency_clock_t f(event_filter_.frequency);
+ freq = f.get_timeval_from_period();
+
+ bcm_msg.msg_head.opcode = RX_SETUP;
+ bcm_msg.msg_head.can_id = can_id_;
+ bcm_msg.msg_head.flags = SETTIMER|RX_NO_AUTOTIMER;
+ bcm_msg.msg_head.ival2.tv_sec = freq.tv_sec ;
+ bcm_msg.msg_head.ival2.tv_usec = freq.tv_usec;
+ bcm_msg.msg_head.nframes = 1;
+ bitfield_encode_float(val,
+ bit_position_,
+ bit_size_,
+ factor_,
+ offset_,
+ cfd.data,
+ CAN_MAX_DLEN);
+
+ bcm_msg.frames = cfd;
+
+ if(socket_ << bcm_msg)
+ return 0;
+ return -1;
+}
+
+/// @brief Create a RX_SETUP receive job used by the BCM socket.
+///
+/// @return 0 if ok else -1
+int low_can_subscription_t::create_rx_filter()
+{
+ // Make sure that socket has been opened.
+ if(! socket_)
+ {
+ socket_.open(bus_name_);
+ index_ = (int)socket_.socket();
+ }
+
+ struct utils::simple_bcm_msg bcm_msg;
+ struct can_frame cfd;
+
+ memset(&cfd, 0, sizeof(cfd));
+ memset(&bcm_msg.msg_head, 0, sizeof(bcm_msg.msg_head));
+ float val = (float)(1 << bit_size_) - 1;
+
+ struct timeval freq;
+ frequency_clock_t f(event_filter_.frequency);
+ freq = f.get_timeval_from_period();
+
+ bcm_msg.msg_head.opcode = RX_SETUP;
+ bcm_msg.msg_head.can_id = can_id_;
+ bcm_msg.msg_head.flags = SETTIMER|RX_NO_AUTOTIMER;
+ bcm_msg.msg_head.ival2.tv_sec = freq.tv_sec ;
+ bcm_msg.msg_head.ival2.tv_usec = freq.tv_usec;
+ bcm_msg.msg_head.nframes = 1;
+ bitfield_encode_float(val,
+ bit_position_,
+ bit_size_,
+ factor_,
+ offset_,
+ cfd.data,
+ CAN_MAX_DLEN);
+
+ bcm_msg.frames = cfd;
+
+ if(socket_ << bcm_msg)
+ return 0;
+ return -1;
+}
+
+///******************************************************************************
+///
+/// SystemD event loop Callbacks
+///
+///*******************************************************************************/
+
+void on_no_clients(const std::string& message)
+{
+ DiagnosticRequest* diag_req = application_t::instance().get_request_from_diagnostic_message(message);
if(diag_req != nullptr)
{
- active_diagnostic_request_t* adr = configuration_t::instance().get_diagnostic_manager().find_recurring_request(diag_req);
+ active_diagnostic_request_t* adr = application_t::instance().get_diagnostic_manager().find_recurring_request(diag_req);
if( adr != nullptr)
- configuration_t::instance().get_diagnostic_manager().cleanup_request(adr, true);
+ application_t::instance().get_diagnostic_manager().cleanup_request(adr, true);
}
delete diag_req;
diag_req = nullptr;
@@ -56,7 +250,7 @@ void on_no_clients(std::string message)
static void push_n_notify(const can_message_t& cm)
{
- can_bus_t& cbm = configuration_t::instance().get_can_bus_manager();
+ can_bus_t& cbm = application_t::instance().get_can_bus_manager();
std::lock_guard<std::mutex> can_message_lock(cbm.get_can_message_mutex());
{ cbm.push_new_can_message(cm); }
cbm.get_new_can_message_cv().notify_one();
@@ -65,18 +259,18 @@ static void push_n_notify(const can_message_t& cm)
int read_message(sd_event_source *s, int fd, uint32_t revents, void *userdata)
{
can_message_t cm;
- can_signal_t* sig;
- diagnostic_manager_t& diag_m = configuration_t::instance().get_diagnostic_manager();
+ low_can_subscription_t* can_subscription;
+ diagnostic_manager_t& diag_m = application_t::instance().get_diagnostic_manager();
if(userdata != nullptr)
{
- sig = (can_signal_t*)userdata;
- utils::socketcan_bcm_t s = sig->get_socket();
+ can_subscription = (low_can_subscription_t*)userdata;
+ utils::socketcan_bcm_t& s = can_subscription->get_socket();
s >> cm;
}
else
{
- utils::socketcan_bcm_t s = diag_m.get_socket();
+ utils::socketcan_bcm_t& s = diag_m.get_socket();
s >> cm;
}
@@ -88,9 +282,9 @@ int read_message(sd_event_source *s, int fd, uint32_t revents, void *userdata)
sd_event_source_unref(s);
if(userdata != nullptr)
{
- sig->get_socket().close();
- sig->create_rx_filter();
- NOTICE(binder_interface, "%s: Recreated RX_SETUP BCM job for signal: %s", __FUNCTION__, sig->get_name().c_str());
+ can_subscription->get_socket().close();
+ can_subscription->create_rx_filter();
+ NOTICE(binder_interface, "%s: Recreated RX_SETUP BCM job for can_subscription: %s", __FUNCTION__, can_subscription->get_sig_name().c_str());
}
else
{
@@ -104,72 +298,73 @@ int read_message(sd_event_source *s, int fd, uint32_t revents, void *userdata)
return 0;
}
-
///******************************************************************************
///
/// Subscription and unsubscription
///
///*******************************************************************************/
-static int make_subscription_unsubscription(struct afb_req request, const std::string& sig_name, std::map<std::string, struct afb_event>& s, bool subscribe)
+static int make_subscription_unsubscription(struct afb_req request, std::shared_ptr<low_can_subscription_t>& can_subscription, std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s, bool subscribe)
{
/* Make the subscription or unsubscription to the event */
- if (((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, s[sig_name])) < 0)
+ if (((subscribe ? afb_req_subscribe : afb_req_unsubscribe)(request, s[can_subscription->get_index()].second)) < 0)
{
- ERROR(binder_interface, "%s: Operation goes wrong for signal: %s", __FUNCTION__, sig_name.c_str());
- return 0;
+ ERROR(binder_interface, "%s: Operation goes wrong for signal: %s", __FUNCTION__, can_subscription->get_sig_name().c_str());
+ return -1;
}
- return 1;
+ return 0;
}
-static int create_event_handle(const std::string& sig_name, std::map<std::string, struct afb_event>& s)
+static int create_event_handle(std::shared_ptr<low_can_subscription_t>& can_subscription, std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s)
{
- s[sig_name] = afb_daemon_make_event(binder_interface->daemon, sig_name.c_str());
- if (!afb_event_is_valid(s[sig_name]))
+ int sub_index = can_subscription->get_index();
+ struct afb_event event = afb_daemon_make_event(binder_interface->daemon, can_subscription->get_sig_name().c_str());
+ s[sub_index] = std::make_pair(can_subscription, event);
+ if (!afb_event_is_valid(s[sub_index].second))
{
- ERROR(binder_interface, "%s: Can't create an event for %s, something goes wrong.", __FUNCTION__, sig_name.c_str());
- return 0;
+ ERROR(binder_interface, "%s: Can't create an event for %s, something goes wrong.", __FUNCTION__, can_subscription->get_sig_name().c_str());
+ return -1;
}
- return 1;
+ 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
/// against the application framework using that event handle.
-static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, const std::string& sig)
+static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe, std::shared_ptr<low_can_subscription_t>& can_subscription)
{
int ret;
-
+ int sub_index = can_subscription->get_index();
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();
- if (s.find(sig) != s.end())
+ std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s = sm.get_subscribed_signals();
+ if (can_subscription && s.find(sub_index) != s.end())
{
- if (!afb_event_is_valid(s[sig]) && !subscribe)
+ if (!afb_event_is_valid(s[sub_index].second) && !subscribe)
{
NOTICE(binder_interface, "%s: Event isn't valid, no need to unsubscribed.", __FUNCTION__);
ret = -1;
}
else
{
- // Event it isn't valid annymore, recreate it
- ret = create_event_handle(sig, s);
+ // Event it isn't valid anymore, recreate it
+ ret = create_event_handle(can_subscription, s);
}
}
else
{
/* Event doesn't exist , so let's create it */
struct afb_event empty_event = {nullptr, nullptr};
- s[sig] = empty_event;
- ret = create_event_handle(sig, s);
+ s[sub_index] = std::make_pair(can_subscription, empty_event);
+ 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.
- if (ret <= 0)
+ if (ret < 0)
return ret;
- return make_subscription_unsubscription(request, sig, s, subscribe);
+ return make_subscription_unsubscription(request, can_subscription, s, subscribe);
}
///
@@ -181,7 +376,7 @@ static int subscribe_unsubscribe_signal(struct afb_req request, bool subscribe,
///
/// @return Number of correctly subscribed signal
///
-static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const struct utils::signals_found& signals)
+static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe, const struct utils::signals_found& signals, struct event_filter_t& event_filter)
{
int rets = 0;
@@ -200,9 +395,15 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe,
// poll a PID for nothing.
if(sig->get_supported() && subscribe)
{
- float frequency = sig->get_frequency();
- diag_m.add_recurring_request(diag_req, sig->get_name().c_str(), false, sig->get_decoder(), sig->get_callback(), (float)frequency);
- //TODO: Adding callback requesting ignition status: diag_req, sig.c_str(), false, diagnostic_message_t::decode_obd2_response, diagnostic_message_t::check_ignition_status, frequency);
+ float frequency;
+
+ if(event_filter.frequency >= 0)
+ { frequency = event_filter.frequency; }
+ else
+ { frequency = sig->get_frequency(); }
+
+ diag_m.add_recurring_request(diag_req, sig->get_name().c_str(), false, sig->get_decoder(), sig->get_callback(), frequency);
+ //TODO: Adding callback requesting ignition status: diag_req, sig.c_str(), false, diagnostic_message_t::decode_obd2_response, diagnostic_message_t::check_ignition_status, frequency);
}
else
{
@@ -214,8 +415,9 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe,
return -1;
}
- ret = subscribe_unsubscribe_signal(request, subscribe, sig->get_name());
- if(ret <= 0)
+ std::shared_ptr<low_can_subscription_t> can_subscription(new low_can_subscription_t(event_filter));
+ ret = subscribe_unsubscribe_signal(request, subscribe, can_subscription);
+ if(ret < 0)
return ret;
rets++;
DEBUG(binder_interface, "%s: Signal: %s subscribed", __FUNCTION__, sig->get_name().c_str());
@@ -223,25 +425,32 @@ static int subscribe_unsubscribe_signals(struct afb_req request, bool subscribe,
for(const auto& sig: signals.can_signals)
{
- if(sig->create_rx_filter() <= 0 &&
- subscribe_unsubscribe_signal(request, subscribe, sig->get_name()) <=0)
- {
- return -1;
- }
+ std::shared_ptr<low_can_subscription_t> can_subscription(new low_can_subscription_t(event_filter));
+ if(can_subscription->create_rx_filter(sig->get_message()->get_bus_device_name(),
+ sig->get_name(),
+ sig->get_message()->get_id(),
+ sig->get_bit_position(),
+ sig->get_bit_size(),
+ sig->get_factor(),
+ sig->get_offset()) < 0)
+ {return -1;}
+ else if(subscribe_unsubscribe_signal(request, subscribe, can_subscription) < 0)
+ {return -1;}
+
struct sd_event_source* e_source;
- sd_event_add_io(afb_daemon_get_event_loop(binder_interface->daemon), &e_source, sig->get_socket().socket(), EPOLLIN, read_message, sig.get());
+ sd_event_add_io(afb_daemon_get_event_loop(binder_interface->daemon), &e_source, can_subscription->get_socket().socket(), EPOLLIN, read_message, sig.get());
rets++;
DEBUG(binder_interface, "%s: signal: %s subscribed", __FUNCTION__, sig->get_name().c_str());
}
return rets;
}
-static int process_args(struct afb_req request, const std::map<std::string, struct event_filter_t>& args, bool subscribe)
+static int process_args(struct afb_req request, std::map<std::string, struct event_filter_t>& args, bool subscribe)
{
struct utils::signals_found sf;
int ok = 0, total = 0;
- for(const auto& sig: args)
+ for(auto& sig: args)
{
openxc_DynamicField search_key = build_DynamicField(sig.first);
sf = utils::signals_manager_t::instance().find_signals(search_key);
@@ -250,38 +459,35 @@ static int process_args(struct afb_req request, const std::map<std::string, stru
if (sf.can_signals.empty() && sf.diagnostic_messages.empty())
NOTICE(binder_interface, "%s: No signal(s) found for %s.", __FUNCTION__, sig.first.c_str());
else
- ok = subscribe_unsubscribe_signals(request, subscribe, sf);
+ ok = subscribe_unsubscribe_signals(request, subscribe, sf, sig.second);
}
NOTICE(binder_interface, "%s: Subscribed/unsubscribe correctly to %d/%d signal(s).", __FUNCTION__, ok, total);
return ok;
}
-static int parse_filter(json_object* event, struct event_filter_t* event_filter)
+static int parse_filter(json_object* event, struct event_filter_t& event_filter)
{
struct json_object *filter, *obj;
int ret = 0;
if (json_object_object_get_ex(event, "filter", &filter))
{
- event_filter->frequency = -1.0;
- event_filter->min = -1.0;
- event_filter->max = -1.0;
if (json_object_object_get_ex(filter, "frequency", &obj)
&& json_object_get_type(obj) == json_type_double)
{
- event_filter->frequency = json_object_get_double(obj);
+ event_filter.frequency = (float)json_object_get_double(obj);
ret += 1;
}
if (json_object_object_get_ex(filter, "min", &obj)
&& json_object_get_type(obj) == json_type_double)
{
- event_filter->min = json_object_get_double(obj);
+ event_filter.min = (float)json_object_get_double(obj);
ret += 2;
}
if (json_object_object_get_ex(filter, "max", &obj)
&& json_object_get_type(obj) == json_type_double)
{
- event_filter->max = json_object_get_double(obj);
+ event_filter.max = (float)json_object_get_double(obj);
ret += 4;
}
}
@@ -292,22 +498,21 @@ static int parse_filter(json_object* event, struct event_filter_t* event_filter)
static const std::map<std::string, struct event_filter_t> parse_args_from_request(struct afb_req request)
{
int i, n;
- std::map<std::string, struct event_filter_t> ret;
+ std::map<std::string, struct event_filter_t > ret;
struct json_object *args, *event, *x;
struct event_filter_t event_filter;
-
+
/* retrieve signals to subscribe */
args = afb_req_json(request);
if (args == NULL || !json_object_object_get_ex(args, "event", &event))
{
- event = json_object_new_string("*");
- parse_filter(event, &event_filter);
+ parse_filter(json_object_new_string("*"), event_filter);
ret["*"] = event_filter;
}
else if (json_object_get_type(event) != json_type_array)
{
const std::string event_pattern = std::string(json_object_get_string(event));
- parse_filter(event, &event_filter);
+ parse_filter(event, event_filter);
ret[event_pattern] = event_filter;
}
else
@@ -317,7 +522,7 @@ static const std::map<std::string, struct event_filter_t> parse_args_from_reques
{
x = json_object_array_get_idx(event, i);
const std::string event_pattern = std::string(json_object_get_string(x));
- parse_filter(x, &event_filter);
+ parse_filter(x, event_filter);
ret[event_pattern] = event_filter;
}
}
@@ -329,7 +534,7 @@ void subscribe(struct afb_req request)
{
bool subscribe = true;
- const std::map<std::string, struct event_filter_t> args = parse_args_from_request(request);
+ std::map<std::string, struct event_filter_t> args = parse_args_from_request(request);
if (process_args(request, args, subscribe) > 0)
afb_req_success(request, NULL, NULL);
@@ -340,8 +545,8 @@ void subscribe(struct afb_req request)
void unsubscribe(struct afb_req request)
{
bool subscribe = false;
-
- const std::map<std::string, struct event_filter_t> args = parse_args_from_request(request);
+
+ std::map<std::string, struct event_filter_t> args = parse_args_from_request(request);
if (process_args(request, args, subscribe) > 0)
afb_req_success(request, NULL, NULL);
diff --git a/CAN-binder/low-can-binding/binding/low-can-cb.hpp b/CAN-binder/low-can-binding/binding/low-can-cb.hpp
new file mode 100644
index 0000000..1608db7
--- /dev/null
+++ b/CAN-binder/low-can-binding/binding/low-can-cb.hpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string>
+#include "../utils/socketcan-bcm.hpp"
+
+struct event_filter_t
+{
+ float frequency;
+ float min;
+ float max;
+};
+
+class low_can_subscription_t
+{
+private:
+ int index_;
+
+ /// Signal part
+ std::string sig_name_;
+ std::string bus_name_;
+ uint32_t can_id_;
+ uint8_t bit_position_; /*!< bitPosition_ - The starting bit of the signal in its CAN message (assuming
+ * non-inverted bit numbering, i.e. the most significant bit of
+ * each byte is 0) */
+ uint8_t bit_size_; /*!< bit_size_ - The width of the bit field in the CAN message. */
+ float factor_; /*!< factor_ - The final value will be multiplied by this factor. Use 1 if you
+ * don't need a factor. */
+ float offset_; /*!< offset_ - The final value will be added to this offset. Use 0 if you
+ * don't need an offset. */
+
+ /// Filtering part
+ struct event_filter_t event_filter_ = {-1.0, -1.0, -1.0};
+
+ utils::socketcan_bcm_t socket_;
+public:
+ low_can_subscription_t();
+ low_can_subscription_t(struct event_filter_t event_filter);
+ low_can_subscription_t(const low_can_subscription_t& s) = delete;
+ low_can_subscription_t(low_can_subscription_t&& s);
+
+ low_can_subscription_t& operator=(const low_can_subscription_t& s);
+ explicit operator bool() const;
+
+ int get_index() const;
+ const std::string get_sig_name() const;
+ float get_frequency() const;
+ float get_min() const;
+ float get_max() const;
+ utils::socketcan_bcm_t& get_socket();
+
+ void set_frequency(float freq);
+ void set_min(float min);
+ void set_max(float max);
+
+ int create_rx_filter();
+ int create_rx_filter(const std::string& bus_name, const std::string& sig_name, uint32_t can_id, uint8_t bit_position, uint8_t bit_size, float factor, float offset);
+};
diff --git a/CAN-binder/low-can-binding/binding/low-can-hat.cpp b/CAN-binder/low-can-binding/binding/low-can-hat.cpp
index 5cefc81..8713a2c 100644
--- a/CAN-binder/low-can-binding/binding/low-can-hat.cpp
+++ b/CAN-binder/low-can-binding/binding/low-can-hat.cpp
@@ -17,6 +17,7 @@
*/
#include "low-can-hat.hpp"
+#include "low-can-cb.hpp"
#include <map>
#include <queue>
diff --git a/CAN-binder/low-can-binding/binding/low-can-hat.hpp b/CAN-binder/low-can-binding/binding/low-can-hat.hpp
index c0756f8..a1c8dad 100644
--- a/CAN-binder/low-can-binding/binding/low-can-hat.hpp
+++ b/CAN-binder/low-can-binding/binding/low-can-hat.hpp
@@ -31,13 +31,7 @@ extern "C" struct afb_binding_interface;
extern const struct afb_binding_interface *binder_interface;
-struct event_filter_t {
- double frequency;
- double min;
- double max;
-};
-
-void on_no_clients(std::string message);
+void on_no_clients(const std::string& message);
int read_message(sd_event_source *s, int fd, uint32_t revents, void *userdata);
void subscribe(struct afb_req request);
diff --git a/CAN-binder/low-can-binding/can/can-bus.cpp b/CAN-binder/low-can-binding/can/can-bus.cpp
index a35eecd..0ce6dc6 100644
--- a/CAN-binder/low-can-binding/can/can-bus.cpp
+++ b/CAN-binder/low-can-binding/can/can-bus.cpp
@@ -72,9 +72,9 @@ int can_bus_t::process_can_signals(const can_message_t& can_message)
for(const auto& sig : signals.can_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();
+ std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s = sm.get_subscribed_signals();
- if( s.find(sig->get_name()) != s.end() && afb_event_is_valid(s[sig->get_name()]))
+ if( s.find(can_message.get_sub_id()) != s.end() && afb_event_is_valid(s[can_message.get_sub_id()].second))
{
bool send = true;
decoded_message = decoder_t::translateSignal(*sig, can_message, conf.get_all_can_signals(), &send);
@@ -82,10 +82,10 @@ int can_bus_t::process_can_signals(const can_message_t& can_message)
if(send)
{
openxc_SimpleMessage s_message = build_SimpleMessage(sig->get_name(), decoded_message);
- vehicle_message = build_VehicleMessage(s_message);
+ vehicle_message = build_VehicleMessage(s_message, can_message.get_timestamp());
std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_);
- push_new_vehicle_message(vehicle_message);
+ push_new_vehicle_message(std::make_pair(can_message.get_sub_id(), vehicle_message));
}
processed_signals++;
}
@@ -110,14 +110,14 @@ int can_bus_t::process_diagnostic_signals(diagnostic_manager_t& manager, const c
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();
+ std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, 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) &&
- (s.find(vehicle_message.simple_message.name) != s.end() && afb_event_is_valid(s[vehicle_message.simple_message.name])))
+ (s.find(can_message.get_sub_id()) != s.end() && afb_event_is_valid(s[can_message.get_sub_id()].second)))
{
std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_);
- push_new_vehicle_message(vehicle_message);
+ push_new_vehicle_message(std::make_pair(can_message.get_sub_id(), vehicle_message));
processed_signals++;
}
@@ -138,8 +138,6 @@ int can_bus_t::process_diagnostic_signals(diagnostic_manager_t& manager, const c
/// TODO: make diagnostic messages parsing optionnal.
void can_bus_t::can_decode_message()
{
- can_message_t can_message;
-
while(is_decoding_)
{
{
@@ -147,10 +145,10 @@ void can_bus_t::can_decode_message()
new_can_message_cv_.wait(can_message_lock);
while(!can_message_q_.empty())
{
- can_message = next_can_message();
+ const can_message_t can_message = next_can_message();
- if(configuration_t::instance().get_diagnostic_manager().is_diagnostic_response(can_message))
- process_diagnostic_signals(configuration_t::instance().get_diagnostic_manager(), can_message);
+ if(application_t::instance().get_diagnostic_manager().is_diagnostic_response(can_message))
+ process_diagnostic_signals(application_t::instance().get_diagnostic_manager(), can_message);
else
process_can_signals(can_message);
}
@@ -163,7 +161,7 @@ void can_bus_t::can_decode_message()
/// which are events that has to be pushed.
void can_bus_t::can_event_push()
{
- openxc_VehicleMessage v_message;
+ std::pair<int, openxc_VehicleMessage> v_message;
openxc_SimpleMessage s_message;
json_object* jo;
utils::signals_manager_t& sm = utils::signals_manager_t::instance();
@@ -176,15 +174,15 @@ void can_bus_t::can_event_push()
{
v_message = next_vehicle_message();
- s_message = get_simple_message(v_message);
+ s_message = get_simple_message(v_message.second);
{
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)]))
+ std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& s = sm.get_subscribed_signals();
+ if(s.find(v_message.first) != s.end() && afb_event_is_valid(s[v_message.first].second))
{
jo = json_object_new_object();
jsonify_simple(s_message, jo);
- if(afb_event_push(s[std::string(s_message.name)], jo) == 0)
+ if(afb_event_push(s[v_message.first].second, jo) == 0)
on_no_clients(std::string(s_message.name));
}
}
@@ -235,7 +233,7 @@ std::mutex& can_bus_t::get_can_message_mutex()
/// @brief Return first can_message_t on the queue
///
/// @return a can_message_t
-can_message_t can_bus_t::next_can_message()
+const can_message_t can_bus_t::next_can_message()
{
can_message_t can_msg;
@@ -262,9 +260,9 @@ void can_bus_t::push_new_can_message(const can_message_t& can_msg)
/// @brief Return first openxc_VehicleMessage on the queue
///
/// @return a openxc_VehicleMessage containing a decoded can message
-openxc_VehicleMessage can_bus_t::next_vehicle_message()
+std::pair<int, openxc_VehicleMessage> can_bus_t::next_vehicle_message()
{
- openxc_VehicleMessage v_msg;
+ std::pair<int, openxc_VehicleMessage> v_msg;
if(! vehicle_message_q_.empty())
{
@@ -280,7 +278,7 @@ openxc_VehicleMessage can_bus_t::next_vehicle_message()
/// @brief Push a openxc_VehicleMessage into the queue
///
/// @param[in] v_msg - const reference openxc_VehicleMessage object to push into the queue
-void can_bus_t::push_new_vehicle_message(const openxc_VehicleMessage& v_msg)
+void can_bus_t::push_new_vehicle_message(const std::pair<int, openxc_VehicleMessage>& v_msg)
{
vehicle_message_q_.push(v_msg);
}
diff --git a/CAN-binder/low-can-binding/can/can-bus.hpp b/CAN-binder/low-can-binding/can/can-bus.hpp
index 16d8cf6..934b45d 100644
--- a/CAN-binder/low-can-binding/can/can-bus.hpp
+++ b/CAN-binder/low-can-binding/can/can-bus.hpp
@@ -18,6 +18,7 @@
#pragma once
+#include <utility>
#include <mutex>
#include <queue>
#include <thread>
@@ -67,7 +68,7 @@ private:
std::condition_variable new_decoded_can_message_; ///< condition_variable use to wait until there is a new vehicle message to read from the queue vehicle_message_q_
std::mutex decoded_can_message_mutex_; ///< mutex protecting the vehicle_message_q_ queue.
- std::queue <openxc_VehicleMessage> vehicle_message_q_; ///< queue that'll store openxc_VehicleMessage to pushed
+ std::queue <std::pair<int, openxc_VehicleMessage> > vehicle_message_q_; ///< queue that'll store openxc_VehicleMessage to pushed
std::vector<std::pair<std::string, std::string> > can_devices_;
public:
@@ -81,11 +82,11 @@ public:
void start_threads();
void stop_threads();
- can_message_t next_can_message();
+ const can_message_t next_can_message();
void push_new_can_message(const can_message_t& can_msg);
std::mutex& get_can_message_mutex();
std::condition_variable& get_new_can_message_cv();
- openxc_VehicleMessage next_vehicle_message();
- void push_new_vehicle_message(const openxc_VehicleMessage& v_msg);
+ std::pair<int, openxc_VehicleMessage> next_vehicle_message();
+ void push_new_vehicle_message(const std::pair<int, openxc_VehicleMessage>& v_msg);
};
diff --git a/CAN-binder/low-can-binding/can/can-message.cpp b/CAN-binder/low-can-binding/can/can-message.cpp
index abfbfdb..9389494 100644
--- a/CAN-binder/low-can-binding/can/can-message.cpp
+++ b/CAN-binder/low-can-binding/can/can-message.cpp
@@ -27,7 +27,14 @@
/// Constructor about can_message_t class.
///
can_message_t::can_message_t()
- : maxdlen_{0}, id_{0}, length_{0}, format_{can_message_format_t::INVALID}, rtr_flag_{false}, flags_{0}, timestamp_{0}
+ : maxdlen_{0},
+ id_{0},
+ length_{0},
+ format_{can_message_format_t::INVALID},
+ rtr_flag_{false},
+ flags_{0},
+ timestamp_{0},
+ sub_id_{-1}
{}
can_message_t::can_message_t(uint8_t maxdlen,
@@ -45,7 +52,8 @@ can_message_t::can_message_t(uint8_t maxdlen,
rtr_flag_{rtr_flag},
flags_{flags},
data_{data},
- timestamp_{timestamp}
+ timestamp_{timestamp},
+ sub_id_{-1}
{}
///
@@ -58,6 +66,11 @@ uint32_t can_message_t::get_id() const
return id_;
}
+int can_message_t::get_sub_id() const
+{
+ return sub_id_;
+}
+
///
/// @brief Retrieve RTR flag member.
///
@@ -121,6 +134,11 @@ uint8_t can_message_t::get_length() const
return length_;
}
+void can_message_t::set_sub_id(int sub_id)
+{
+ sub_id_ = sub_id;
+}
+
uint64_t can_message_t::get_timestamp() const
{
return timestamp_;
diff --git a/CAN-binder/low-can-binding/can/can-message.hpp b/CAN-binder/low-can-binding/can/can-message.hpp
index 1ce1c7a..ced2602 100644
--- a/CAN-binder/low-can-binding/can/can-message.hpp
+++ b/CAN-binder/low-can-binding/can/can-message.hpp
@@ -52,12 +52,14 @@ private:
uint8_t flags_; /*!< flags_ - flags of a CAN FD frame. Needed if we catch FD frames.*/
std::vector<uint8_t> data_; /*!< data_ - The message's data field with a size of 8 which is the standard about CAN bus messages.*/
uint64_t timestamp_; /*!< timestamp_ - timestamp of the received message*/
+ int sub_id_; /*!< sub_id_ - Subscription index. */
public:
can_message_t();
can_message_t(uint8_t maxdlen, uint32_t id, uint8_t length, can_message_format_t format, bool rtr_flag_, uint8_t flags, std::vector<uint8_t>& data, uint64_t timestamp);
uint32_t get_id() const;
+ int get_sub_id() const;
bool get_rtr_flag_() const;
can_message_format_t get_format() const;
uint8_t get_flags() const;
@@ -66,6 +68,7 @@ public:
uint8_t get_length() const;
uint64_t get_timestamp() const;
+ void set_sub_id(int sub_id);
void set_timestamp(uint64_t timestamp);
void set_format(const can_message_format_t new_format);
diff --git a/CAN-binder/low-can-binding/can/can-signals.cpp b/CAN-binder/low-can-binding/can/can-signals.cpp
index 324cecc..362e358 100644
--- a/CAN-binder/low-can-binding/can/can-signals.cpp
+++ b/CAN-binder/low-can-binding/can/can-signals.cpp
@@ -83,12 +83,6 @@ can_signal_t::can_signal_t(
, received_{b.received_}
, last_value_{b.last_value_}
{}*/
-
-utils::socketcan_bcm_t can_signal_t::get_socket() const
-{
- return socket_;
-}
-
can_message_definition_t* can_signal_t::get_message() const
{
return parent_;
@@ -220,43 +214,3 @@ void can_signal_t::set_timestamp(uint64_t timestamp)
frequency_.tick(timestamp);
}
-/// @brief Create a RX_SETUP receive job used by the BCM socket.
-///
-/// @return 0 if ok else -1
-int can_signal_t::create_rx_filter()
-{
- // Make sure that socket has been opened.
- if(! socket_)
- socket_.open(
- get_message()->get_bus_device_name());
-
- uint32_t can_id = get_message()->get_id();
-
- struct utils::simple_bcm_msg bcm_msg;
- struct can_frame cfd;
-
- memset(&cfd, 0, sizeof(cfd));
- memset(&bcm_msg.msg_head, 0, sizeof(bcm_msg.msg_head));
- float val = (float)(1 << bit_size_)-1;
- struct timeval freq = frequency_.get_timeval_from_period();
-
- bcm_msg.msg_head.opcode = RX_SETUP;
- bcm_msg.msg_head.can_id = can_id;
- bcm_msg.msg_head.flags = SETTIMER|RX_NO_AUTOTIMER;
- bcm_msg.msg_head.ival2.tv_sec = freq.tv_sec ;
- bcm_msg.msg_head.ival2.tv_usec = freq.tv_usec;
- bcm_msg.msg_head.nframes = 1;
- bitfield_encode_float(val,
- bit_position_,
- bit_size_,
- factor_,
- offset_,
- cfd.data,
- CAN_MAX_DLEN);
-
- bcm_msg.frames = cfd;
-
- if(socket_ << bcm_msg)
- return 0;
- return -1;
-}
diff --git a/CAN-binder/low-can-binding/can/can-signals.hpp b/CAN-binder/low-can-binding/can/can-signals.hpp
index b8fbe4e..2d67f27 100644
--- a/CAN-binder/low-can-binding/can/can-signals.hpp
+++ b/CAN-binder/low-can-binding/can/can-signals.hpp
@@ -76,7 +76,6 @@ class can_signal_t
{
private:
can_message_definition_t* parent_; /*!< parent_ - pointer to the parent message definition holding this signal*/
- utils::socketcan_bcm_t socket_; /*!< socket_ - Specific BCM socket that filter the signal read from CAN device */
std::string generic_name_; /*!< generic_name_ - The name of the signal to be output.*/
static std::string prefix_; /*!< prefix_ - generic_name_ will be prefixed with it. It has to reflect the used protocol.
* which make easier to sort message when the come in.*/
@@ -127,7 +126,6 @@ public:
SignalEncoder encoder,
bool received);
- utils::socketcan_bcm_t get_socket() const;
can_message_definition_t* get_message() const;
const std::string get_generic_name() const;
const std::string get_name() const;
@@ -155,6 +153,4 @@ public:
void set_received(bool r);
void set_last_value(float val);
void set_timestamp(uint64_t timestamp);
-
- int create_rx_filter();
};
diff --git a/CAN-binder/low-can-binding/utils/signals.cpp b/CAN-binder/low-can-binding/utils/signals.cpp
index 9dd3bfd..02b8405 100644
--- a/CAN-binder/low-can-binding/utils/signals.cpp
+++ b/CAN-binder/low-can-binding/utils/signals.cpp
@@ -39,7 +39,7 @@ namespace utils
/// @brief return the subscribed_signals map.
///
/// @return Map of subscribed signals.
- std::map<std::string, struct afb_event>& signals_manager_t::get_subscribed_signals()
+ std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& signals_manager_t::get_subscribed_signals()
{
return subscribed_signals_;
}
diff --git a/CAN-binder/low-can-binding/utils/signals.hpp b/CAN-binder/low-can-binding/utils/signals.hpp
index a0fa99d..54d8893 100644
--- a/CAN-binder/low-can-binding/utils/signals.hpp
+++ b/CAN-binder/low-can-binding/utils/signals.hpp
@@ -27,6 +27,7 @@
#include "../diagnostic/diagnostic-message.hpp"
#include "../binding/low-can-hat.hpp"
+#include "../binding/low-can-cb.hpp"
namespace utils
{
@@ -40,7 +41,7 @@ namespace utils
{
private:
std::mutex subscribed_signals_mutex_;
- std::map<std::string, struct afb_event> subscribed_signals_;
+ std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> > subscribed_signals_;
signals_manager_t(); ///< Private constructor to make singleton class.
@@ -48,7 +49,7 @@ namespace utils
static signals_manager_t& instance();
std::mutex& get_subscribed_signals_mutex();
- std::map<std::string, struct afb_event>& get_subscribed_signals();
+ std::map<int, std::pair<std::shared_ptr<low_can_subscription_t>, struct afb_event> >& get_subscribed_signals();
struct signals_found find_signals(const openxc_DynamicField &key);
void find_diagnostic_messages(const openxc_DynamicField &key, std::vector<std::shared_ptr<diagnostic_message_t> >& found_signals);
diff --git a/CAN-binder/low-can-binding/utils/socketcan-bcm.cpp b/CAN-binder/low-can-binding/utils/socketcan-bcm.cpp
index 38f4852..1009a42 100644
--- a/CAN-binder/low-can-binding/utils/socketcan-bcm.cpp
+++ b/CAN-binder/low-can-binding/utils/socketcan-bcm.cpp
@@ -90,6 +90,7 @@ namespace utils
cm = ::can_message_t::convert_from_frame(msg.frames ,
nbytes-sizeof(struct bcm_msg_head),
timestamp);
+ cm.set_sub_id((int)s.socket());
return s;
}