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-rw-r--r--low-can-binding/CMakeLists.txt2
-rw-r--r--low-can-binding/binding/low-can-cb.cpp81
-rw-r--r--low-can-binding/can/can-bus.cpp8
-rw-r--r--low-can-binding/can/can-bus.hpp1
-rw-r--r--low-can-binding/can/message-definition.cpp4
-rw-r--r--low-can-binding/utils/config-parser.cpp68
-rw-r--r--low-can-binding/utils/config-parser.hpp44
7 files changed, 194 insertions, 14 deletions
diff --git a/low-can-binding/CMakeLists.txt b/low-can-binding/CMakeLists.txt
index 38ac4b3d..7f73339d 100644
--- a/low-can-binding/CMakeLists.txt
+++ b/low-can-binding/CMakeLists.txt
@@ -59,6 +59,7 @@ PROJECT_TARGET_ADD(low-can)
#utils/socketcan-raw.cpp
utils/socketcan-bcm.cpp
utils/converter.cpp
+ utils/config-parser.cpp
)
add_library(${TARGET_NAME} SHARED ${SOURCES_LIB} ${SOURCES_J1939} ${SOURCES_ISOTP})
@@ -70,6 +71,7 @@ PROJECT_TARGET_ADD(low-can)
)
TARGET_LINK_LIBRARIES(${TARGET_NAME}
+ ini-config
openxc-message-format
uds-c
isotp-c
diff --git a/low-can-binding/binding/low-can-cb.cpp b/low-can-binding/binding/low-can-cb.cpp
index d994dd24..32adac86 100644
--- a/low-can-binding/binding/low-can-cb.cpp
+++ b/low-can-binding/binding/low-can-cb.cpp
@@ -1,5 +1,6 @@
/*
* Copyright (C) 2015, 2018 "IoT.bzh"
+ * Copyright (C) 2021 Konsulko Group
* Author "Romain Forlot" <romain.forlot@iot.bzh>
* Author "Loic Collignon" <loic.collignon@iot.bzh>
*
@@ -23,6 +24,7 @@
#include <queue>
#include <mutex>
#include <vector>
+#include <set>
#include <thread>
#include <algorithm>
#include <wrap-json.h>
@@ -37,7 +39,7 @@
#include "../utils/signals.hpp"
#include "../diagnostic/diagnostic-message.hpp"
#include "../utils/openxc-utils.hpp"
-#include "../utils/signals.hpp"
+#include "../utils/config-parser.hpp"
#ifdef USE_FEATURE_J1939
#include "../can/message/j1939-message.hpp"
@@ -56,7 +58,7 @@ int config_low_can(afb_api_t apiHandle, CtlSectionT *section, json_object *json_
CtlConfigT *ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle);
int active_message_set = 0;
json_object *dev_mapping = nullptr;
- const char *diagnotic_bus = nullptr;
+ const char *diagnostic_bus = nullptr;
if(! ctrlConfig || ! ctrlConfig->external)
return -1;
@@ -64,35 +66,86 @@ int config_low_can(afb_api_t apiHandle, CtlSectionT *section, json_object *json_
application_t *application = (application_t*) ctrlConfig->external;
if(wrap_json_unpack(json_obj, "{si, s?s}",
- "active_message_set", &active_message_set,
- "diagnostic_bus", &diagnotic_bus))
+ "active_message_set", &active_message_set,
+ "diagnostic_bus", &diagnostic_bus)) {
+ AFB_ERROR("active_message_set and/or diagnostic_bus missing in controller JSON");
+ return -1;
+ }
+
+ if(active_message_set < 0 ||
+ active_message_set > (application->get_messages_definition().size() - 1)) {
+ AFB_ERROR("Invalid active message set %d", active_message_set);
return -1;
+ }
+ application->set_active_message_set((uint8_t) active_message_set);
+
+ utils::config_parser_t conf_file("/etc/dev-mapping.conf");
+ if(conf_file.check_conf())
+ {
+ // If a mapping file in /etc exists, use it
+ AFB_INFO("Using /etc/dev-mapping.conf");
+ application->get_can_bus_manager().set_can_devices(conf_file.get_devices_name());
+ } else {
+ // Use whatever configuration is in the controller JSON
+ if(wrap_json_unpack(json_obj, "{so}",
+ "dev-mapping", &dev_mapping)) {
+ AFB_ERROR("No device mapping in controller JSON");
+ return -1;
+ }
+
+ application->get_can_bus_manager().set_can_devices(dev_mapping);
+ }
+
+ // Find all required buses
+ std::set<std::string> buses;
+ std::set<std::string> j1939_buses;
+ vect_ptr_msg_def_t msg_defs = application->get_messages_definition();
+ for(std::shared_ptr<message_definition_t> &msg_def : msg_defs) {
+ if(!msg_def->is_j1939())
+ buses.insert(msg_def->get_bus_name());
+ else
+ j1939_buses.insert(msg_def->get_bus_name());
+ }
+#ifdef USE_FEATURE_J1939
+ // NOTE: With C++17 just: buses.merge(j1939_buses)
+ for(auto it = begin(j1939_buses); it != end(j1939_buses); ++it)
+ buses.insert(*it);
+#endif
- application->set_active_message_set((uint8_t)active_message_set);
+ // Check that required buses have device mappings
+ for(auto it = begin(buses); it != end(buses); ++it) {
+ std::string dev = application->get_can_bus_manager().get_can_device_name(*it);
+ if(dev == "") {
+ AFB_ERROR("No CAN device defined for bus \"%s\"", it->c_str());
+ return -1;
+ }
+ AFB_INFO("Using CAN device %s for bus \"%s\"", dev.c_str(), it->c_str());
+ }
- if(wrap_json_unpack(json_obj, "{so}",
- "dev-mapping", &dev_mapping))
+ // Check that diagnostic bus is one of the configured buses
+ if(diagnostic_bus && buses.count(diagnostic_bus) == 0) {
+ AFB_ERROR("No CAN device mapping defined for diagnostic bus \"%s\"", diagnostic_bus);
return -1;
- application->get_can_bus_manager().set_can_devices(dev_mapping);
+ }
/// Initialize Diagnostic manager that will handle obd2 requests.
/// We pass by default the first CAN bus device to its Initialization.
- if(! diagnotic_bus || application_t::instance().get_diagnostic_manager().initialize(diagnotic_bus))
+ if(! diagnostic_bus || application_t::instance().get_diagnostic_manager().initialize(diagnostic_bus))
AFB_WARNING("Diagnostic Manager: not initialized. No diagnostic messages will be processed.");
return 0;
}
CtlSectionT ctlSections_[] = {
- [0]={.key="config" , .uid="config", .info=nullptr,
- .loadCB=config_low_can,
- .handle=nullptr,
- .actions=nullptr},
- [1]={.key="plugins" , .uid="plugins", .info=nullptr,
+ [0]={.key="plugins" , .uid="plugins", .info=nullptr,
.loadCB=PluginConfig,
.handle=nullptr,
.actions=nullptr},
+ [1]={.key="config" , .uid="config", .info=nullptr,
+ .loadCB=config_low_can,
+ .handle=nullptr,
+ .actions=nullptr},
[2]={.key=nullptr , .uid=nullptr, .info=nullptr,
.loadCB=nullptr,
.handle=nullptr,
diff --git a/low-can-binding/can/can-bus.cpp b/low-can-binding/can/can-bus.cpp
index 40e080f8..11b7770c 100644
--- a/low-can-binding/can/can-bus.cpp
+++ b/low-can-binding/can/can-bus.cpp
@@ -69,6 +69,14 @@ void can_bus_t::set_can_devices(json_object *mapping)
}
}
+/// @brief Fills the CAN device map member with given values
+///
+/// @param[in] mapping configuration section.
+void can_bus_t::set_can_devices(const std::vector<std::pair<std::string, std::string> >& mapping)
+{
+ can_devices_mapping_ = mapping;
+}
+
/// @brief Take a decoded message to determine if its value complies with the desired
/// filters.
///
diff --git a/low-can-binding/can/can-bus.hpp b/low-can-binding/can/can-bus.hpp
index 5aa7a1d5..88b1dd4e 100644
--- a/low-can-binding/can/can-bus.hpp
+++ b/low-can-binding/can/can-bus.hpp
@@ -70,6 +70,7 @@ public:
~can_bus_t();
void set_can_devices(json_object *mapping);
+ void set_can_devices(const std::vector<std::pair<std::string, std::string> >& mapping);
int get_can_device_index(const std::string& bus_name) const;
const std::string get_can_device_name(const std::string& id_name) const;
diff --git a/low-can-binding/can/message-definition.cpp b/low-can-binding/can/message-definition.cpp
index dab502af..051c2d3c 100644
--- a/low-can-binding/can/message-definition.cpp
+++ b/low-can-binding/can/message-definition.cpp
@@ -56,6 +56,10 @@ message_definition_t::message_definition_t(const std::string bus,
signals_{signals}
{}
+const std::string message_definition_t::get_bus_name() const{
+ return bus_;
+}
+
const std::string message_definition_t::get_bus_device_name() const
{
return application_t::instance().get_can_bus_manager()
diff --git a/low-can-binding/utils/config-parser.cpp b/low-can-binding/utils/config-parser.cpp
new file mode 100644
index 00000000..589f0340
--- /dev/null
+++ b/low-can-binding/utils/config-parser.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2015, 2016 ,2017 "IoT.bzh"
+ * Copyright (C) 2021 Konsulko Group
+ * 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 "config-parser.hpp"
+
+#include "../binding/low-can-hat.hpp"
+
+namespace utils
+{
+ /// @brief constructor using path to file
+ config_parser_t::config_parser_t(std::string conf_file)
+ : filepath_{conf_file}, config_content_{}
+ {
+ config_content_.read_file(conf_file);
+ }
+
+ const std::string& config_parser_t::filepath() const
+ {
+ return filepath_;
+ }
+
+ /// @brief read the conf_file_ and parse it into an INIReader object
+ /// to search into later.
+ bool config_parser_t::check_conf()
+ {
+ if (config_content_.size() <= 0)
+ {
+ AFB_INFO("Cannot load INI config file: %s.", filepath_.c_str());
+ return false;
+ }
+ AFB_DEBUG("Configuration file parsed");
+ return true;
+ }
+
+ /// @brief Public method to access devices_name_ vector. If vector size equal 0
+ /// then it will parses the configuration file content to fill it. It could be empty even
+ /// after parsing if content file just don't have a correct "canbus" directive so you
+ /// have to test the returned value.
+ ///
+ /// @return A const vector with string of linux CAN devices.
+ const std::vector<std::pair<std::string, std::string> > config_parser_t::get_devices_name()
+ {
+ std::vector<std::pair<std::string, std::string> > devices_name;
+
+ std::map<std::string, std::string> bus_mapping = config_content_.get_keys("CANbus-mapping");
+ for(const auto& busIt : bus_mapping )
+ {
+ devices_name.push_back(std::make_pair(busIt.first, busIt.second));
+ }
+
+ return devices_name;
+ }
+}
diff --git a/low-can-binding/utils/config-parser.hpp b/low-can-binding/utils/config-parser.hpp
new file mode 100644
index 00000000..3115e9bd
--- /dev/null
+++ b/low-can-binding/utils/config-parser.hpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2015, 2016 ,2017 "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.
+ */
+
+#pragma once
+
+#include <string>
+#include <vector>
+#include <utility>
+#include "ini-config.hpp"
+
+namespace utils
+{
+ /// @brief A configuration file parser that handle INI configuration
+ /// file format.
+ class config_parser_t
+ {
+ private:
+ const std::string filepath_; /*!< filepath_ - Path to the config file*/
+ ini_config config_content_; /*!< config_content_ - Parsed content of INI file.*/
+
+ public:
+ config_parser_t(config_parser_t&&) = default;
+ config_parser_t(const config_parser_t&) = default;
+ explicit config_parser_t(std::string conf_file);
+
+ const std::string& filepath() const;
+ bool check_conf();
+ const std::vector<std::pair<std::string, std::string> > get_devices_name();
+ };
+}