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Diffstat (limited to 'src/components/dbus/src/dbus_adapter.cc')
| -rw-r--r-- | src/components/dbus/src/dbus_adapter.cc | 918 |
1 files changed, 918 insertions, 0 deletions
diff --git a/src/components/dbus/src/dbus_adapter.cc b/src/components/dbus/src/dbus_adapter.cc new file mode 100644 index 0000000000..5f38e3d80f --- /dev/null +++ b/src/components/dbus/src/dbus_adapter.cc @@ -0,0 +1,918 @@ +/* + * Copyright (c) 2013-2014, Ford Motor Company + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following + * disclaimer in the documentation and/or other materials provided with the + * distribution. + * + * Neither the name of the Ford Motor Company nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include "dbus/dbus_adapter.h" +#include <dbus/dbus.h> +#include <sstream> +#include "formatters/CSmartFactory.hpp" +#include "utils/logger.h" + +using ford_message_descriptions::ParameterDescription; +namespace sos = NsSmartDeviceLink::NsJSONHandler::strings; +namespace smart_objects = NsSmartDeviceLink::NsSmartObjects; + +extern char introspection_xml[]; + +namespace dbus { + +CREATE_LOGGERPTR_GLOBAL(logger_, "HMIMessageHandler") + +std::vector<std::string> &split(const std::string& s, char delim, + std::vector<std::string> &elems) { + std::stringstream ss(s); + std::string item; + while (std::getline(ss, item, delim)) { + elems.push_back(item); + } + return elems; +} + +DBusAdapter::DBusAdapter(const std::string& sdlServiceName, + const std::string& sdlObjectPath, + const std::string& hmiServiceName, + const std::string& hmiObjectPath) + : sdl_service_name_(sdlServiceName), + sdl_object_path_(sdlObjectPath), + hmi_service_name_(hmiServiceName), + hmi_object_path_(hmiObjectPath), + conn_(NULL), + schema_(new DBusSchema(ford_message_descriptions::message_descriptions)) { +} + +DBusAdapter::~DBusAdapter() { + dbus_shutdown(); + delete schema_; +} + +bool DBusAdapter::Init() { + DBusError err; + int ret; + dbus_error_init(&err); + if (!dbus_threads_init_default()) { + LOG4CXX_ERROR(logger_, "DBus: Can't initializes threads"); + return false; + } + conn_ = dbus_bus_get(DBUS_BUS_SESSION, &err); + if (dbus_error_is_set(&err)) { + LOG4CXX_ERROR(logger_, "DBus: Connection Error " << err.message); + dbus_error_free(&err); + return false; + } + ret = dbus_bus_request_name(conn_, sdl_service_name_.c_str(), + DBUS_NAME_FLAG_DO_NOT_QUEUE, + &err); + if (ret == -1 || dbus_error_is_set(&err)) { + LOG4CXX_ERROR(logger_, "DBus: Can't request name " << err.name); + dbus_error_free(&err); + return false; + } + if (DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER != ret) { + LOG4CXX_ERROR( + logger_, + "DBus: Service '" << sdl_service_name_ << "' is already running"); + return false; + } + + LOG4CXX_INFO(logger_, "DBus: Success init dbus adaptor"); + return true; +} + +bool DBusAdapter::Process(smart_objects::SmartObject& obj) { + if (conn_ == NULL) { + LOG4CXX_ERROR(logger_, "DBus: DBusAdaptor isn't initialized"); + return false; + } + DBusMessage* msg = dbus_connection_pop_message(conn_); + if (msg != NULL) { + switch (dbus_message_get_type(msg)) { + case DBUS_MESSAGE_TYPE_METHOD_CALL: + return ProcessMethodCall(msg, obj); + case DBUS_MESSAGE_TYPE_METHOD_RETURN: + return ProcessMethodReturn(msg, obj); + case DBUS_MESSAGE_TYPE_ERROR: + return ProcessError(msg, obj); + case DBUS_MESSAGE_TYPE_SIGNAL: + return ProcessSignal(msg, obj); + default: + return false; + } + } else { + dbus_connection_read_write(conn_, 50); + } + return false; +} + +void DBusAdapter::MethodReturn(uint id, const MessageId func_id, + const MessageName& name, + const smart_objects::SmartObject& obj) { + LOG4CXX_DEBUG(logger_, "Method return " << name.first << "." << name.second); + if (conn_ == NULL) { + LOG4CXX_ERROR(logger_, "DBus: DBusAdaptor isn't init"); + return; + } + + if (func_id == hmi_apis::FunctionID::INVALID_ENUM) { + LOG4CXX_ERROR(logger_, "DBus: Invalid name method"); + return; + } + + DBusMessage* msg = GetRequestFromHMI(id); + if (!msg) { + LOG4CXX_WARN(logger_, "DBus: request from HMI is not found"); + return; + } + + DBusMessage* reply; + reply = dbus_message_new_method_return(msg); + if (NULL == reply) { + LOG4CXX_WARN(logger_, "DBus: Failed call method (Message Null)"); + return; + } + + const ListArgs& args = schema_->getListArgs(func_id, + hmi_apis::messageType::response); + if (!SetArguments(reply, args, obj)) { + LOG4CXX_ERROR(logger_, "DBus: Failed call method (Signature is wrong)"); + dbus_message_unref(reply); + dbus_message_unref(msg); + return; + } + + dbus_uint32_t serial; + if (!dbus_connection_send(conn_, reply, &serial)) { + LOG4CXX_ERROR(logger_, "DBus: Failed call method (Can't send message)"); + dbus_message_unref(reply); + dbus_message_unref(msg); + return; + } + dbus_connection_flush(conn_); + dbus_message_unref(reply); + dbus_message_unref(msg); + LOG4CXX_INFO(logger_, "DBus: Success return method"); +} + +void DBusAdapter::Error(uint id, const std::string& name, + const std::string& description) { + LOG4CXX_DEBUG(logger_, "Error " << name << ": " << description); + if (conn_ == NULL) { + LOG4CXX_ERROR(logger_, "DBus: DBusAdaptor isn't init"); + return; + } + + DBusMessage* msg = GetRequestFromHMI(id); + if (!msg) { + LOG4CXX_WARN(logger_, "DBus: request from HMI is not found"); + return; + } + + DBusMessage* error; + error = dbus_message_new_error(msg, name.c_str(), description.c_str()); + if (NULL == error) { + LOG4CXX_WARN(logger_, "DBus: Failed call method (Message Null)"); + return; + } + + dbus_uint32_t serial; + if (!dbus_connection_send(conn_, error, &serial)) { + LOG4CXX_ERROR(logger_, "DBus: Failed call method (Can't send message)"); + dbus_message_unref(error); + dbus_message_unref(msg); + return; + } + dbus_connection_flush(conn_); + dbus_message_unref(error); + dbus_message_unref(msg); + LOG4CXX_INFO(logger_, "DBus: Success error"); +} + +void DBusAdapter::MethodCall(uint id, const MessageId func_id, + const MessageName& name, + const smart_objects::SmartObject& obj) { + LOG4CXX_DEBUG(logger_, "Method call " << name.first << "." << name.second); + if (conn_ == NULL) { + LOG4CXX_ERROR(logger_, "DBus: DBusAdaptor isn't init"); + return; + } + + if (func_id == hmi_apis::FunctionID::INVALID_ENUM) { + LOG4CXX_ERROR(logger_, "DBus: Invalid name method"); + return; + } + + DBusMessage* msg; + msg = dbus_message_new_method_call( + hmi_service_name_.c_str(), hmi_object_path_.c_str(), + (hmi_service_name_ + "." + name.first).c_str(), name.second.c_str()); + if (NULL == msg) { + LOG4CXX_WARN(logger_, "DBus: Failed call method (Message Null)"); + return; + } + + const ListArgs& args = schema_->getListArgs(func_id, + hmi_apis::messageType::request); + if (!SetArguments(msg, args, obj)) { + LOG4CXX_ERROR(logger_, "DBus: Failed call method (Signature is wrong)"); + dbus_message_unref(msg); + return; + } + + dbus_uint32_t serial; + if (!dbus_connection_send(conn_, msg, &serial)) { + LOG4CXX_ERROR(logger_, "DBus: Failed call method (Can't send message)"); + dbus_message_unref(msg); + return; + } + SaveRequestToHMI(serial, std::make_pair(id, func_id)); + dbus_message_unref(msg); + LOG4CXX_INFO(logger_, "DBus: Success call method"); +} + +void DBusAdapter::Signal(const MessageId func_id, const MessageName& name, + const smart_objects::SmartObject& obj) { + LOG4CXX_DEBUG(logger_, "Signal " << name.first << "." << name.second); + if (conn_ == NULL) { + LOG4CXX_ERROR(logger_, "DBus: DBusAdaptor isn't init"); + return; + } + + if (func_id == hmi_apis::FunctionID::INVALID_ENUM) { + LOG4CXX_ERROR(logger_, "DBus: Invalid name method"); + return; + } + + DBusMessage *msg; + msg = dbus_message_new_signal(sdl_object_path_.c_str(), + (sdl_service_name_ + "." + name.first).c_str(), + name.second.c_str()); + if (NULL == msg) { + LOG4CXX_WARN(logger_, "DBus: Failed emit signal (Message Null)"); + return; + } + + const ListArgs& args = schema_->getListArgs( + func_id, hmi_apis::messageType::notification); + if (!SetArguments(msg, args, obj)) { + LOG4CXX_ERROR(logger_, "DBus: Failed call method (Signature is wrong)"); + dbus_message_unref(msg); + return; + } + + if (!dbus_connection_send(conn_, msg, NULL)) { // serial isn't required + LOG4CXX_WARN(logger_, "DBus: Failed emit signal (Out Of Memory)"); + dbus_message_unref(msg); + return; + } + dbus_message_unref(msg); + LOG4CXX_INFO(logger_, "DBus: Success emit signal"); +} + +void DBusAdapter::AddMatch(const std::string& rule) { + LOG4CXX_INFO(logger_, "Subscription: " << rule); + dbus_bus_add_match(conn_, rule.c_str(), NULL); +} + +bool DBusAdapter::ProcessMethodCall(DBusMessage* msg, + smart_objects::SmartObject& obj) { + std::string method = dbus_message_get_member(msg); + std::string interface = dbus_message_get_interface(msg); + LOG4CXX_INFO(logger_, "DBus: name of method " << interface << " " << method); + + if (interface == "org.freedesktop.DBus.Introspectable" + && method == "Introspect") { + LOG4CXX_INFO(logger_, "DBus: INTROSPECT"); + Introspect(msg); + return false; + } + + std::vector<std::string> elems; + split(interface, '.', elems); + MessageName name(elems.back(), method); + MessageId m_id = schema_->getMessageId(name); + if (m_id == hmi_apis::FunctionID::INVALID_ENUM) { + LOG4CXX_ERROR(logger_, "DBus: Invalid name method call from hmi"); + return false; + } + + uint32_t serial = dbus_message_get_serial(msg); + if (!serial) { + LOG4CXX_ERROR(logger_, "DBus: Serial of request from HMI isn't defined"); + return false; + } + + obj[sos::S_PARAMS][sos::S_CORRELATION_ID] = serial; + obj[sos::S_PARAMS][sos::S_FUNCTION_ID] = m_id; + obj[sos::S_PARAMS][sos::S_MESSAGE_TYPE] = hmi_apis::messageType::request; + obj[sos::S_MSG_PARAMS] = smart_objects::SmartObject( + smart_objects::SmartType_Map); + + const ListArgs args = schema_->getListArgs(name, + hmi_apis::messageType::request); + + DBusMessageIter iter; + dbus_message_iter_init(msg, &iter); + if (GetArguments(&iter, args, obj[sos::S_MSG_PARAMS])) { + SaveRequestFromHMI(serial, msg); + return true; + } + return false; +} + +bool DBusAdapter::ProcessMethodReturn(DBusMessage* msg, + smart_objects::SmartObject& obj) { + LOG4CXX_INFO(logger_, "ProcessMethodReturn"); + dbus_uint32_t reply_serial = dbus_message_get_reply_serial(msg); + std::pair<uint, MessageId> ids = GetRequestToHMI(reply_serial); + if (ids.second == hmi_apis::FunctionID::INVALID_ENUM) { + LOG4CXX_ERROR(logger_, "DBus: Invalid name method"); + return false; + } + + obj[sos::S_MSG_PARAMS] = smart_objects::SmartObject( + smart_objects::SmartType_Map); + + ListArgs args = schema_->getListArgs(ids.second, + hmi_apis::messageType::response); + DBusMessageIter iter; + dbus_message_iter_init(msg, &iter); + int code = 0; + std::string message; + smart_objects::SmartObject description(smart_objects::SmartType_Map); + bool ret = GetHeader(&iter, &code, &message) + && GetArguments(&iter, args, description); + + if (ret) { + obj[sos::S_PARAMS][sos::S_CORRELATION_ID] = ids.first; + obj[sos::S_PARAMS][sos::S_FUNCTION_ID] = ids.second; + obj[sos::S_PARAMS][sos::S_MESSAGE_TYPE] = hmi_apis::messageType::response; + obj[sos::S_PARAMS][sos::kCode] = code; + obj[sos::S_PARAMS][sos::kMessage] = message; + if (code != hmi_apis::Common_Result::SUCCESS) { + MessageName name = schema_->getMessageName(ids.second); + description["method"] = name.first + "." + name.second; + obj[sos::S_PARAMS]["data"] = description; + } else { + obj[sos::S_MSG_PARAMS] = description; + } + } + + dbus_message_unref(msg); + return ret; +} + +bool DBusAdapter::ProcessError(DBusMessage* msg, + smart_objects::SmartObject& obj) { + dbus_uint32_t reply_serial = dbus_message_get_reply_serial(msg); + std::pair<uint, MessageId> ids = GetRequestToHMI(reply_serial); + if (ids.second == hmi_apis::FunctionID::INVALID_ENUM) { + LOG4CXX_ERROR(logger_, "DBus: Invalid name method"); + return false; + } + + const char* error_name; + bool ret = false; + if ((error_name = dbus_message_get_error_name(msg)) != NULL) { + smart_objects::SmartObject name(smart_objects::SmartType_String); + name = error_name; + ford_message_descriptions::ParameterDescription rule = { "description", + ford_message_descriptions::String, true }; + ListArgs args; + args.push_back(&rule); + smart_objects::SmartObject description(smart_objects::SmartType_Map); + description[rule.name] = smart_objects::SmartObject( + smart_objects::SmartType_String); + + DBusMessageIter iter; + dbus_message_iter_init(msg, &iter); + ret = GetArguments(&iter, args, description); + MessageName method = schema_->getMessageName(ids.second); + + obj[sos::S_PARAMS][sos::S_CORRELATION_ID] = ids.first; + obj[sos::S_PARAMS][sos::S_FUNCTION_ID] = ids.second; + obj[sos::S_PARAMS][sos::S_MESSAGE_TYPE] = + hmi_apis::messageType::error_response; + obj[sos::S_PARAMS][sos::kCode] = name.asInt(); + obj[sos::S_PARAMS][sos::kMessage] = description[rule.name].asString(); + obj[sos::S_MSG_PARAMS] = smart_objects::SmartObject( + smart_objects::SmartType_Map); + obj[sos::S_PARAMS]["data"]["method"] = method.first + "." + method.second; + + LOG4CXX_WARN( + logger_, + "DBus: Call of method " << method.first << "." << method.second << " returned error " << name.asInt() << ": " << description[rule.name].asString()); + } else { + LOG4CXX_ERROR(logger_, "DBus: Type message isn't error"); + } + + dbus_message_unref(msg); + return ret; +} + +bool DBusAdapter::ProcessSignal(DBusMessage* msg, + smart_objects::SmartObject& obj) { + std::string method = dbus_message_get_member(msg); + std::string interface = dbus_message_get_interface(msg); + LOG4CXX_INFO(logger_, "DBus: name of signal " << method); + + std::vector<std::string> elems; + split(interface, '.', elems); + MessageName name(elems.back(), method); + MessageId m_id = schema_->getMessageId(name); + if (m_id == hmi_apis::FunctionID::INVALID_ENUM) { + LOG4CXX_ERROR(logger_, "DBus: Invalid name signal"); + return false; + } + + obj[sos::S_PARAMS][sos::S_FUNCTION_ID] = m_id; + obj[sos::S_PARAMS][sos::S_MESSAGE_TYPE] = hmi_apis::messageType::notification; + obj[sos::S_MSG_PARAMS] = smart_objects::SmartObject( + smart_objects::SmartType_Map); + + const ListArgs args = schema_->getListArgs( + name, hmi_apis::messageType::notification); + + DBusMessageIter iter; + dbus_message_iter_init(msg, &iter); + bool ret = GetArguments(&iter, args, obj[sos::S_MSG_PARAMS]); + dbus_message_unref(msg); + return ret; +} + +bool DBusAdapter::SetArguments(DBusMessage* msg, const ListArgs& rules, + const smart_objects::SmartObject& args) { + DBusMessageIter iter; + dbus_message_iter_init_append(msg, &iter); + size_t size = rules.size(); + for (size_t i = 0; i < size; ++i) { + const smart_objects::SmartObject& param = args.getElement(rules[i]->name); + if (!SetOneArgument(&iter, rules[i], param)) { + return false; + } + } + return true; +} + +bool DBusAdapter::SetOneArgument(DBusMessageIter* iter, + const ParameterDescription* rules, + const smart_objects::SmartObject& param) { + if (rules->obligatory) { + if (param.isValid()) { + return SetValue(iter, rules, param); + } else { + LOG4CXX_WARN(logger_, + "DBus: Argument '" << rules->name << "' is obligatory!"); + return false; + } + } else { + return SetOptionalValue(iter, rules, param); + } +} + +bool DBusAdapter::SetValue( + DBusMessageIter* iter, + const ford_message_descriptions::ParameterDescription* rules, + const smart_objects::SmartObject& param) { + // LOG4CXX_DEBUG(logger_, "DBus: Set param " << rules->name << " = " << param.asString()); + int type = 0; + void* value = 0; + dbus_int32_t integerValue = 0; + double floatValue = 0; + dbus_bool_t booleanValue = false; + const char* stringValue; + switch (rules->type) { + case ford_message_descriptions::ParameterType::Array: + return SetArrayValue( + iter, + reinterpret_cast<const ford_message_descriptions::ArrayDescription*>(rules), + param); + break; + case ford_message_descriptions::ParameterType::Struct: + return SetStructValue( + iter, + reinterpret_cast<const ford_message_descriptions::StructDescription*>(rules), + param); + break; + case ford_message_descriptions::ParameterType::Enum: + case ford_message_descriptions::ParameterType::Integer: + type = DBUS_TYPE_INT32; + integerValue = param.asInt(); + value = &integerValue; + break; + case ford_message_descriptions::ParameterType::Float: + type = DBUS_TYPE_DOUBLE; + floatValue = param.asDouble(); + value = &floatValue; + break; + case ford_message_descriptions::ParameterType::Boolean: + type = DBUS_TYPE_BOOLEAN; + booleanValue = param.asBool(); + value = &booleanValue; + break; + case ford_message_descriptions::ParameterType::String: + type = DBUS_TYPE_STRING; + stringValue = param.asString().c_str(); + value = &stringValue; + break; + default: + LOG4CXX_ERROR(logger_, "DBus: Unknown type of argument") + ; + return false; + } + return dbus_message_iter_append_basic(iter, type, value); +} + +bool DBusAdapter::SetOptionalValue( + DBusMessageIter* iter, + const ford_message_descriptions::ParameterDescription* rules, + const smart_objects::SmartObject ¶m) { + DBusMessageIter sub_iter; + if (!dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, + &sub_iter)) { + LOG4CXX_ERROR( + logger_, + "DBus: Can't open container type (STRUCT) for optional parameter"); + return false; + } + + ford_message_descriptions::ParameterDescription flagRules = { "flag", + ford_message_descriptions::Boolean, true }; + smart_objects::SmartObject flag( + param.getType() != smart_objects::SmartType_Invalid); + if (!SetValue(&sub_iter, &flagRules, flag) + || !SetValue(&sub_iter, rules, param)) { + return false; + } + + if (!dbus_message_iter_close_container(iter, &sub_iter)) { + LOG4CXX_ERROR( + logger_, + "DBus: Can't close container type (STRUCT) for optional parameter"); + return false; + } + return true; +} + +bool DBusAdapter::SetArrayValue( + DBusMessageIter* iter, + const ford_message_descriptions::ArrayDescription* rules, + const smart_objects::SmartObject& param) { + smart_objects::SmartType type = param.getType(); + if (type != smart_objects::SmartType_Array + && type != smart_objects::SmartType_Invalid) { + LOG4CXX_ERROR(logger_, "DBus: SmartObject is not a map"); + return false; + } + DBusMessageIter sub_iter; + if (!dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY, + rules->element_dbus_signature, + &sub_iter)) { + LOG4CXX_ERROR(logger_, "DBus: Can't open container type (ARRAY)"); + return false; + } + size_t size = param.length(); + for (size_t i = 0; i < size; ++i) { + if (!SetValue(&sub_iter, rules->element, param[i])) { + return false; + } + } + if (!dbus_message_iter_close_container(iter, &sub_iter)) { + LOG4CXX_ERROR(logger_, "DBus: Can't close container type (ARRAY)"); + return false; + } + return true; +} + +bool DBusAdapter::SetStructValue( + DBusMessageIter* iter, + const ford_message_descriptions::StructDescription* rules, + const smart_objects::SmartObject& structure) { + smart_objects::SmartType type = structure.getType(); + if (type != smart_objects::SmartType_Map + && type != smart_objects::SmartType_Invalid) { + LOG4CXX_ERROR(logger_, "DBus: SmartObject is not a map"); + return false; + } + DBusMessageIter sub_iter; + if (!dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, + &sub_iter)) { + LOG4CXX_ERROR(logger_, "DBus: Can't open container type (STRUCT)"); + return false; + } + const ParameterDescription** entry; + entry = rules->parameters; + while (*entry != NULL) { + const smart_objects::SmartObject& param = structure.getElement( + (*entry)->name); + if (!SetOneArgument(&sub_iter, *entry, param)) { + return false; + } + entry++; + } + if (!dbus_message_iter_close_container(iter, &sub_iter)) { + LOG4CXX_ERROR(logger_, "DBus: Can't close container type (STRUCT)"); + return false; + } + return true; +} + +bool DBusAdapter::GetHeader(DBusMessageIter* iter, int* code, + std::string* message) { + // Get code of response + dbus_int32_t intValue; + int type = dbus_message_iter_get_arg_type(iter); + if (type != DBUS_TYPE_INT32) { + LOG4CXX_ERROR(logger_, "DBus: Unknown format of header"); + return false; + } + dbus_message_iter_get_basic(iter, &intValue); + *code = intValue; + LOG4CXX_DEBUG(logger_, "DBus: Code of response " << *code); + + dbus_message_iter_next(iter); + + // Get message of response + type = dbus_message_iter_get_arg_type(iter); + if (type != DBUS_TYPE_STRING) { + LOG4CXX_ERROR(logger_, "DBus: Unknown format of header"); + return false; + } + const char* stringValue; + dbus_message_iter_get_basic(iter, &stringValue); + *message = stringValue; + LOG4CXX_DEBUG(logger_, "DBus: message of response " << *message); + + dbus_message_iter_next(iter); + return true; +} + +bool DBusAdapter::GetArguments(DBusMessageIter* iter, const ListArgs& rules, + smart_objects::SmartObject& args) { + LOG4CXX_TRACE(logger_, "GetArguments"); + + size_t size = rules.size(); + for (size_t i = 0; i < size; ++i) { + if (!GetOneArgument(iter, rules[i], args)) { + return false; + } + dbus_message_iter_next(iter); + } + return true; +} + +const DBusSchema& DBusAdapter::get_schema() const { + return *schema_; +} + +bool DBusAdapter::GetOneArgument( + DBusMessageIter* iter, + const ford_message_descriptions::ParameterDescription* rules, + smart_objects::SmartObject& args) { + if (rules->obligatory) { + return GetValue(iter, rules, args[rules->name]); + } else { + return GetOptionalValue(iter, rules, args); + } +} + +bool DBusAdapter::GetValue( + DBusMessageIter* iter, + const ford_message_descriptions::ParameterDescription* rules, + smart_objects::SmartObject& param) { + LOG4CXX_DEBUG(logger_, "DBus: Get param " << rules->name); + int type = dbus_message_iter_get_arg_type(iter); + switch (rules->type) { + case ford_message_descriptions::ParameterType::Array: + if (type == DBUS_TYPE_ARRAY) { + return GetArrayValue( + iter, + // FIXME (dchmerev@luxoft.com): not portable, danger cast. + reinterpret_cast<const ford_message_descriptions::ArrayDescription*>(rules), + param); + } else { + LOG4CXX_ERROR(logger_, "DBus: Not expected type of argument"); + return false; + } + break; + case ford_message_descriptions::ParameterType::Struct: + if (type == DBUS_TYPE_STRUCT) { + return GetStructValue( + iter, + reinterpret_cast<const ford_message_descriptions::StructDescription*>(rules), + param); + } else { + LOG4CXX_ERROR(logger_, "DBus: Not expected type of argument"); + return false; + } + break; + case ford_message_descriptions::ParameterType::Enum: + case ford_message_descriptions::ParameterType::Integer: + if (type == DBUS_TYPE_INT32) { + dbus_int32_t integerValue; + dbus_message_iter_get_basic(iter, &integerValue); + smart_objects::SmartObject value(integerValue); + param = value; + LOG4CXX_DEBUG(logger_, "DBus: " << rules->name << " = " << integerValue); + } else { + LOG4CXX_ERROR(logger_, "DBus: Not expected type of argument"); + return false; + } + break; + case ford_message_descriptions::ParameterType::Float: + if (type == DBUS_TYPE_DOUBLE) { + double floatValue; + dbus_message_iter_get_basic(iter, &floatValue); + smart_objects::SmartObject value(floatValue); + param = value; + LOG4CXX_DEBUG(logger_, "DBus: " << rules->name << " = " << floatValue); + } else { + LOG4CXX_ERROR(logger_, "DBus: Not expected type of argument"); + return false; + } + break; + case ford_message_descriptions::ParameterType::Boolean: + if (type == DBUS_TYPE_BOOLEAN) { + dbus_bool_t booleanValue; + dbus_message_iter_get_basic(iter, &booleanValue); + smart_objects::SmartObject value(static_cast<bool>(booleanValue)); + param = value; + LOG4CXX_DEBUG( + logger_, + "DBus: " << rules->name << " = " << std::boolalpha << booleanValue); + } else { + LOG4CXX_ERROR(logger_, "DBus: Not expected type of argument"); + return false; + } + break; + case ford_message_descriptions::ParameterType::String: + if (type == DBUS_TYPE_STRING) { + const char* stringValue; + dbus_message_iter_get_basic(iter, &stringValue); + std::string strValue = stringValue; + smart_objects::SmartObject value(strValue); + param = value; + LOG4CXX_DEBUG(logger_, + "DBus: " << rules->name << " = \"" << strValue << "\""); + } else { + LOG4CXX_ERROR(logger_, "DBus: Not expected type of argument"); + return false; + } + break; + default: + LOG4CXX_ERROR(logger_, "DBus: Unknown type of argument") + ; + return false; + } + return true; +} + +bool DBusAdapter::GetArrayValue( + DBusMessageIter* iter, + const ford_message_descriptions::ArrayDescription* rules, + smart_objects::SmartObject& param) { + smart_objects::SmartObject array(smart_objects::SmartType_Array); + + int i = 0; + DBusMessageIter sub_iter; + dbus_message_iter_recurse(iter, &sub_iter); + while (dbus_message_iter_get_arg_type(&sub_iter) != DBUS_TYPE_INVALID) { + if (!GetValue(&sub_iter, rules->element, array[i])) { + return false; + } + dbus_message_iter_next(&sub_iter); + i++; + } + param = array; + return true; +} + +bool DBusAdapter::GetStructValue( + DBusMessageIter* iter, + const ford_message_descriptions::StructDescription* rules, + smart_objects::SmartObject& param) { + + DBusMessageIter sub_iter; + dbus_message_iter_recurse(iter, &sub_iter); + const ParameterDescription** entry; + entry = rules->parameters; + smart_objects::SmartObject structure(smart_objects::SmartType_Map); + while (*entry != NULL) { + if (!GetOneArgument(&sub_iter, *entry, structure)) { + return false; + } + dbus_message_iter_next(&sub_iter); + entry++; + } + param = structure; + return true; +} + +bool DBusAdapter::GetOptionalValue( + DBusMessageIter* iter, + const ford_message_descriptions::ParameterDescription* rules, + smart_objects::SmartObject& param) { + int type = dbus_message_iter_get_arg_type(iter); + if (type != DBUS_TYPE_STRUCT) { + LOG4CXX_WARN(logger_, "DBus: Not expected type of argument. It is not optional parameter."); + return false; + } + + DBusMessageIter sub_iter; + dbus_message_iter_recurse(iter, &sub_iter); + ford_message_descriptions::ParameterDescription flagRules = { "flag", + ford_message_descriptions::Boolean, true }; + smart_objects::SmartObject flag; + if (!GetValue(&sub_iter, &flagRules, flag)) { + return false; + } + if (flag.asBool()) { + dbus_message_iter_next(&sub_iter); + return GetValue(&sub_iter, rules, param[rules->name]); + } else { + return true; + } +} + +std::pair<uint, MessageId> DBusAdapter::GetRequestToHMI(uint32_t serial) { + std::map<uint32_t, std::pair<uint, MessageId> >::iterator it; + it = requests_to_hmi_.find(serial); + if (it != requests_to_hmi_.end()) { + std::pair<uint, MessageId> ids = it->second; + requests_to_hmi_.erase(it); + return ids; + } + return std::make_pair(0, hmi_apis::FunctionID::INVALID_ENUM); +} + +void DBusAdapter::SaveRequestToHMI(uint32_t serial, + const std::pair<uint, MessageId>& ids) { + requests_to_hmi_.insert(std::make_pair(serial, ids)); +} + +void DBusAdapter::Introspect(DBusMessage* msg) { + DBusMessage *reply; + + dbus_uint32_t serial = dbus_message_get_serial(msg); + reply = dbus_message_new_method_return(msg); + if (!reply) { + LOG4CXX_WARN(logger_, "DBus: Failed return method for introspection"); + return; + } + + DBusMessageIter iter; + dbus_message_iter_init_append(reply, &iter); + char* value = introspection_xml; + dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &value); + dbus_connection_send(conn_, reply, &serial); + dbus_connection_flush(conn_); + dbus_message_unref(reply); + dbus_message_unref(msg); +} + +void DBusAdapter::SaveRequestFromHMI(uint32_t serial, DBusMessage* request) { + LOG4CXX_DEBUG(logger_, "Save correlation id (serial id) : " << serial); + LOG4CXX_DEBUG(logger_, "D-Bus message: " << request); + requests_from_hmi_.insert(std::make_pair(serial, request)); +} + +DBusMessage* DBusAdapter::GetRequestFromHMI(uint32_t serial) { + LOG4CXX_DEBUG(logger_, "Get correlation id (serial id) : " << serial); + std::map<uint32_t, DBusMessage*>::iterator it; + it = requests_from_hmi_.find(serial); + if (it != requests_from_hmi_.end()) { + DBusMessage *msg = it->second; + requests_from_hmi_.erase(it); + LOG4CXX_DEBUG(logger_, "D-Bus message: " << msg); + return msg; + } + return 0; +} + +} // namespace dbus |