diff options
Diffstat (limited to 'CAN-binder/low-can-binding/can/can-bus.cpp')
-rw-r--r-- | CAN-binder/low-can-binding/can/can-bus.cpp | 100 |
1 files changed, 27 insertions, 73 deletions
diff --git a/CAN-binder/low-can-binding/can/can-bus.cpp b/CAN-binder/low-can-binding/can/can-bus.cpp index 33f58fd9..8befec6a 100644 --- a/CAN-binder/low-can-binding/can/can-bus.cpp +++ b/CAN-binder/low-can-binding/can/can-bus.cpp @@ -43,10 +43,9 @@ extern "C" /// @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_; @@ -231,82 +230,37 @@ int can_bus_t::init_can_dev() 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) + { + 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 + { + ERROR(binder_interface, "Can't open device %s", device.c_str()); + return 1; + } } + NOTICE(binder_interface, "Initialized %d/%d can bus device(s)", i, (int)t); + return 0; } - - NOTICE(binder_interface, "Initialized %d/%d can bus device(s)", i, (int)t); - return 0; - } - 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, "init_can_dev: Error at CAN device initialization. No devices read from configuration file"); + return 1; } - ERROR(binder_interface, "Problem at reading the conf file"); - ret.clear(); - return ret; + ERROR(binder_interface, "init_can_dev: Can't read INI configuration file"); + return 2; } /// @brief return new_can_message_cv_ member |