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/*
* Copyright (c) 2018, 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 "application_manager/rpc_service_impl.h"
namespace application_manager {
namespace rpc_service {
CREATE_LOGGERPTR_LOCAL(logger_, "RPCServiceImpl")
namespace formatters = NsSmartDeviceLink::NsJSONHandler::Formatters;
namespace jhs = NsSmartDeviceLink::NsJSONHandler::strings;
RPCServiceImpl::RPCServiceImpl(
ApplicationManager& app_manager,
request_controller::RequestController& request_ctrl,
protocol_handler::ProtocolHandler* protocol_handler,
hmi_message_handler::HMIMessageHandler* hmi_handler,
CommandHolder& commands_holder)
: app_manager_(app_manager)
, request_ctrl_(request_ctrl)
, protocol_handler_(protocol_handler)
, hmi_handler_(hmi_handler)
, commands_holder_(commands_holder)
, messages_to_mobile_("AM ToMobile", this)
, messages_to_hmi_("AM ToHMI", this)
, hmi_so_factory_(hmi_apis::HMI_API())
, mobile_so_factory_(mobile_apis::MOBILE_API()) {}
RPCServiceImpl::~RPCServiceImpl() {}
bool RPCServiceImpl::ManageMobileCommand(
const commands::MessageSharedPtr message,
commands::Command::CommandSource source) {
LOG4CXX_AUTO_TRACE(logger_);
if (!message) {
LOG4CXX_WARN(logger_, "Null-pointer message received.");
return false;
}
if (app_manager_.IsLowVoltage()) {
LOG4CXX_WARN(logger_, "Low Voltage is active");
return false;
}
#ifdef DEBUG
MessageHelper::PrintSmartObject(*message);
#endif
const uint32_t connection_key = static_cast<uint32_t>(
(*message)[strings::params][strings::connection_key].asUInt());
auto app_ptr = app_manager_.application(connection_key);
if (app_ptr && app_manager_.IsAppInReconnectMode(app_ptr->policy_app_id())) {
commands_holder_.Suspend(
app_ptr, CommandHolder::CommandType::kMobileCommand, message);
return true;
}
mobile_apis::FunctionID::eType function_id =
static_cast<mobile_apis::FunctionID::eType>(
(*message)[strings::params][strings::function_id].asInt());
// Notifications from HMI have no such parameter
uint32_t correlation_id =
(*message)[strings::params].keyExists(strings::correlation_id)
? (*message)[strings::params][strings::correlation_id].asUInt()
: 0;
int32_t protocol_type =
(*message)[strings::params][strings::protocol_type].asInt();
ApplicationSharedPtr app;
if (((mobile_apis::FunctionID::RegisterAppInterfaceID != function_id) &&
(protocol_type == commands::CommandImpl::mobile_protocol_type_)) &&
(mobile_apis::FunctionID::UnregisterAppInterfaceID != function_id)) {
app = app_manager_.application(connection_key);
if (!app) {
LOG4CXX_ERROR(logger_, "RET APPLICATION_NOT_REGISTERED");
smart_objects::SmartObjectSPtr response =
MessageHelper::CreateNegativeResponse(
connection_key,
static_cast<int32_t>(function_id),
correlation_id,
static_cast<int32_t>(
mobile_apis::Result::APPLICATION_NOT_REGISTERED));
SendMessageToMobile(response);
return false;
}
// Message for "CheckPermission" must be with attached schema
mobile_so_factory().attachSchema(*message, false);
}
auto plugin =
app_manager_.GetPluginManager().FindPluginToProcess(function_id, source);
if (!plugin) {
LOG4CXX_WARN(logger_, "Filed to find plugin : " << plugin.error());
return false;
}
application_manager::CommandFactory& factory = (*plugin).GetCommandFactory();
auto command = factory.CreateCommand(message, source);
if (!command) {
LOG4CXX_WARN(logger_, "Failed to create mobile command from smart object");
return false;
}
int32_t message_type =
(*message)[strings::params][strings::message_type].asInt();
if (message_type == mobile_apis::messageType::response) {
if (command->Init()) {
command->Run();
command->CleanUp();
}
return true;
}
if (message_type == mobile_apis::messageType::notification) {
request_ctrl_.addNotification(command);
if (command->Init()) {
command->Run();
if (command->CleanUp()) {
request_ctrl_.removeNotification(command.get());
}
// If CleanUp returned false notification should remove it self.
}
return true;
}
if (message_type == mobile_apis::messageType::request) {
// commands will be launched from requesr_ctrl
mobile_apis::HMILevel::eType app_hmi_level =
mobile_apis::HMILevel::INVALID_ENUM;
if (app) {
app_hmi_level = app->hmi_level();
}
// commands will be launched from request_ctrl
const request_controller::RequestController::TResult result =
request_ctrl_.addMobileRequest(command, app_hmi_level);
if (result == request_controller::RequestController::SUCCESS) {
LOG4CXX_DEBUG(logger_, "Perform request");
} else if (result == request_controller::RequestController::
TOO_MANY_PENDING_REQUESTS) {
LOG4CXX_ERROR(logger_,
"RET Unable top perform request: "
<< "TOO_MANY_PENDING_REQUESTS");
smart_objects::SmartObjectSPtr response =
MessageHelper::CreateNegativeResponse(
connection_key,
static_cast<int32_t>(function_id),
correlation_id,
static_cast<int32_t>(
mobile_apis::Result::TOO_MANY_PENDING_REQUESTS));
ApplicationSharedPtr app_ptr = app_manager_.application(connection_key);
if (app_ptr) {
app_ptr->usage_report().RecordRemovalsForBadBehavior();
}
SendMessageToMobile(response);
return false;
} else if (result ==
request_controller::RequestController::TOO_MANY_REQUESTS) {
LOG4CXX_ERROR(logger_,
"RET Unable to perform request: "
<< "TOO_MANY_REQUESTS");
ManageMobileCommand(
MessageHelper::GetOnAppInterfaceUnregisteredNotificationToMobile(
connection_key,
mobile_api::AppInterfaceUnregisteredReason::TOO_MANY_REQUESTS),
commands::Command::SOURCE_SDL);
app_manager_.UnregisterApplication(
connection_key,
mobile_apis::Result::TOO_MANY_PENDING_REQUESTS,
false);
ApplicationSharedPtr app_ptr = app_manager_.application(connection_key);
if (app_ptr) {
app_ptr->usage_report().RecordRemovalsForBadBehavior();
}
return false;
} else if (result == request_controller::RequestController::
NONE_HMI_LEVEL_MANY_REQUESTS) {
LOG4CXX_ERROR(logger_,
"RET Unable to perform request: "
<< "REQUEST_WHILE_IN_NONE_HMI_LEVEL");
ManageMobileCommand(
MessageHelper::GetOnAppInterfaceUnregisteredNotificationToMobile(
connection_key,
mobile_api::AppInterfaceUnregisteredReason::
REQUEST_WHILE_IN_NONE_HMI_LEVEL),
commands::Command::SOURCE_SDL);
ApplicationSharedPtr app_ptr = app_manager_.application(connection_key);
if (app_ptr) {
app_ptr->usage_report().RecordRemovalsForBadBehavior();
}
app_manager_.UnregisterApplication(
connection_key, mobile_apis::Result::INVALID_ENUM, false);
return false;
} else {
LOG4CXX_ERROR(logger_, "RET Unable to perform request: Unknown case");
return false;
}
return true;
}
LOG4CXX_ERROR(logger_, "RET UNKNOWN MESSAGE TYPE " << message_type);
return false;
}
bool RPCServiceImpl::ManageHMICommand(
const commands::MessageSharedPtr message) {
LOG4CXX_AUTO_TRACE(logger_);
if (!message) {
LOG4CXX_WARN(logger_, "Null-pointer message received.");
return false;
}
if (app_manager_.IsLowVoltage()) {
LOG4CXX_WARN(logger_, "Low Voltage is active");
return false;
}
MessageHelper::PrintSmartObject(*message);
const int32_t function_id =
(*(message.get()))[strings::params][strings::function_id].asInt();
auto plugin = app_manager_.GetPluginManager().FindPluginToProcess(
function_id, commands::Command::SOURCE_HMI);
if (!plugin) {
LOG4CXX_WARN(logger_, "Filed to find plugin : " << plugin.error());
return false;
}
application_manager::CommandFactory& factory = (*plugin).GetCommandFactory();
auto command = factory.CreateCommand(message, commands::Command::SOURCE_HMI);
if (!command) {
LOG4CXX_WARN(logger_, "Failed to create command from smart object");
return false;
}
if ((*message).keyExists(strings::msg_params) &&
(*message)[strings::msg_params].keyExists(strings::app_id)) {
const auto connection_key =
(*message)[strings::msg_params][strings::app_id].asUInt();
auto app = app_manager_.application(static_cast<uint32_t>(connection_key));
if (app && app_manager_.IsAppInReconnectMode(app->policy_app_id())) {
commands_holder_.Suspend(
app, CommandHolder::CommandType::kHmiCommand, message);
return true;
}
}
int32_t message_type =
(*(message.get()))[strings::params][strings::message_type].asInt();
if (kRequest == message_type) {
LOG4CXX_DEBUG(logger_, "ManageHMICommand");
request_ctrl_.addHMIRequest(command);
}
if (command->Init()) {
command->Run();
if (kResponse == message_type) {
const uint32_t correlation_id =
(*(message.get()))[strings::params][strings::correlation_id].asUInt();
const int32_t function_id =
(*(message.get()))[strings::params][strings::function_id].asInt();
request_ctrl_.OnHMIResponse(correlation_id, function_id);
}
return true;
}
return false;
}
void RPCServiceImpl::Handle(const impl::MessageToHmi message) {
LOG4CXX_AUTO_TRACE(logger_);
if (!hmi_handler_) {
LOG4CXX_ERROR(logger_, "Observer is not set for HMIMessageHandler");
return;
}
hmi_handler_->SendMessageToHMI(message);
LOG4CXX_INFO(logger_, "Message for HMI given away");
}
void RPCServiceImpl::Handle(const impl::MessageToMobile message) {
if (!protocol_handler_) {
LOG4CXX_WARN(logger_,
"Protocol Handler is not set; cannot send message to mobile.");
return;
}
utils::SharedPtr<protocol_handler::RawMessage> rawMessage =
MobileMessageHandler::HandleOutgoingMessageProtocol(message);
if (!rawMessage) {
LOG4CXX_ERROR(logger_, "Failed to create raw message.");
return;
}
bool is_final = message.is_final;
bool close_session = false;
if (is_final) {
if (1 < app_manager_.connection_handler().GetConnectionSessionsCount(
message->connection_key())) {
is_final = false;
close_session = true;
}
}
protocol_handler_->SendMessageToMobileApp(rawMessage, is_final);
LOG4CXX_INFO(logger_, "Message for mobile given away");
if (close_session) {
app_manager_.connection_handler().CloseSession(message->connection_key(),
connection_handler::kCommon);
}
}
void RPCServiceImpl::SendMessageToMobile(
const application_manager::commands::MessageSharedPtr message,
bool final_message) {
LOG4CXX_AUTO_TRACE(logger_);
if (!message) {
LOG4CXX_ERROR(logger_, "Null-pointer message received.");
NOTREACHED();
return;
}
if (!protocol_handler_) {
LOG4CXX_WARN(logger_, "No Protocol Handler set");
return;
}
ApplicationSharedPtr app = app_manager_.application(
(*message)[strings::params][strings::connection_key].asUInt());
const bool is_result_code_exists =
(*message)[strings::msg_params].keyExists(strings::result_code);
if (!app) {
LOG4CXX_ERROR(logger_, "No application associated with connection key");
if (is_result_code_exists &&
((*message)[strings::msg_params][strings::result_code] ==
NsSmartDeviceLinkRPC::V1::Result::UNSUPPORTED_VERSION)) {
(*message)[strings::params][strings::protocol_version] =
protocol_handler::MajorProtocolVersion::PROTOCOL_VERSION_1;
} else {
(*message)[strings::params][strings::protocol_version] =
app_manager_.SupportedSDLVersion();
}
} else {
(*message)[strings::params][strings::protocol_version] =
app->protocol_version();
}
if (app && is_result_code_exists &&
(*message)[strings::msg_params][strings::result_code] ==
mobile_apis::Result::OUT_OF_MEMORY) {
app->usage_report().RecordRejectionsSyncOutOfMemory();
}
mobile_so_factory().attachSchema(*message, false);
LOG4CXX_DEBUG(
logger_,
"Attached schema to message, result if valid: " << message->isValid());
// Messages to mobile are not yet prioritized so use default priority value
utils::SharedPtr<Message> message_to_send(
new Message(protocol_handler::MessagePriority::kDefault));
if (!ConvertSOtoMessage((*message), (*message_to_send))) {
LOG4CXX_WARN(logger_, "Can't send msg to Mobile: failed to create string");
return;
}
smart_objects::SmartObject& msg_to_mobile = *message;
// If correlation_id is not present, it is from-HMI message which should be
// checked against policy permissions
if (msg_to_mobile[strings::params].keyExists(strings::correlation_id)) {
request_ctrl_.OnMobileResponse(
msg_to_mobile[strings::params][strings::correlation_id].asUInt(),
msg_to_mobile[strings::params][strings::connection_key].asUInt(),
msg_to_mobile[strings::params][strings::function_id].asInt());
#ifdef SDL_REMOTE_CONTROL
const mobile_apis::FunctionID::eType function_id =
static_cast<mobile_apis::FunctionID::eType>(
(*message)[strings::params][strings::function_id].asUInt());
if (function_id == mobile_apis::FunctionID::RegisterAppInterfaceID &&
(*message)[strings::msg_params][strings::success].asBool()) {
// LOG4CXX_INFO(logger_,
// "Registered app "
// << app->app_id() << " is "
// <<
// (app_manager_.GetPluginManager().IsAppForPlugins(app)
// ? ""
// : "not ") << "for plugins.");
}
#endif // SDL_REMOTE_CONTROL
} else if (app) {
mobile_apis::FunctionID::eType function_id =
static_cast<mobile_apis::FunctionID::eType>(
(*message)[strings::params][strings::function_id].asUInt());
RPCParams params;
const smart_objects::SmartObject& s_map = (*message)[strings::msg_params];
if (smart_objects::SmartType_Map == s_map.getType()) {
smart_objects::SmartMap::iterator iter = s_map.map_begin();
smart_objects::SmartMap::iterator iter_end = s_map.map_end();
for (; iter != iter_end; ++iter) {
if (true == iter->second.asBool()) {
LOG4CXX_INFO(logger_, "Request's param: " << iter->first);
params.insert(iter->first);
}
}
}
const std::string string_functionID =
MessageHelper::StringifiedFunctionID(function_id);
const mobile_apis::Result::eType check_result =
app_manager_.CheckPolicyPermissions(app, string_functionID, params);
if (mobile_apis::Result::SUCCESS != check_result) {
LOG4CXX_WARN(logger_,
"Function \"" << string_functionID << "\" (#" << function_id
<< ") not allowed by policy");
return;
}
#ifdef EXTERNAL_PROPRIETARY_MODE
if (function_id == mobile_apis::FunctionID::OnSystemRequestID) {
mobile_apis::RequestType::eType request_type =
static_cast<mobile_apis::RequestType::eType>(
(*message)[strings::msg_params][strings::request_type].asUInt());
if (mobile_apis::RequestType::PROPRIETARY == request_type ||
mobile_apis::RequestType::HTTP == request_type) {
app_manager_.GetPolicyHandler().OnUpdateRequestSentToMobile();
}
}
#endif // EXTERNAL_PROPRIETARY_MODE
}
if (message_to_send->binary_data()) {
LOG4CXX_DEBUG(
logger_,
"Binary data size: " << message_to_send->binary_data()->size());
}
messages_to_mobile_.PostMessage(
impl::MessageToMobile(message_to_send, final_message));
}
void RPCServiceImpl::SendMessageToHMI(
const commands::MessageSharedPtr message) {
LOG4CXX_AUTO_TRACE(logger_);
if (!message) {
LOG4CXX_WARN(logger_, "Null-pointer message received.");
NOTREACHED();
return;
}
if (!hmi_handler_) {
LOG4CXX_WARN(logger_, "No HMI Handler set");
return;
}
// SmartObject |message| has no way to declare priority for now
utils::SharedPtr<Message> message_to_send(
new Message(protocol_handler::MessagePriority::kDefault));
if (!message_to_send) {
LOG4CXX_ERROR(logger_, "Null pointer");
return;
}
hmi_so_factory().attachSchema(*message, false);
LOG4CXX_INFO(
logger_,
"Attached schema to message, result if valid: " << message->isValid());
#ifdef HMI_DBUS_API
message_to_send->set_smart_object(*message);
#else
if (!ConvertSOtoMessage(*message, *message_to_send)) {
LOG4CXX_WARN(logger_,
"Cannot send message to HMI: failed to create string");
return;
}
#endif // HMI_DBUS_API
messages_to_hmi_.PostMessage(impl::MessageToHmi(message_to_send));
}
void RPCServiceImpl::SendPostMessageToMobile(const MessagePtr& message) {
messages_to_mobile_.PostMessage(impl::MessageToMobile(message, false));
}
void RPCServiceImpl::SendPostMessageToHMI(const MessagePtr& message) {
messages_to_hmi_.PostMessage(impl::MessageToHmi(message));
}
void RPCServiceImpl::set_protocol_handler(
protocol_handler::ProtocolHandler* handler) {
protocol_handler_ = handler;
}
void RPCServiceImpl::set_hmi_message_handler(
hmi_message_handler::HMIMessageHandler* handler) {
hmi_handler_ = handler;
}
bool RPCServiceImpl::ConvertSOtoMessage(
const NsSmartDeviceLink::NsSmartObjects::SmartObject& message,
Message& output) {
LOG4CXX_AUTO_TRACE(logger_);
if (smart_objects::SmartType_Null == message.getType() ||
smart_objects::SmartType_Invalid == message.getType()) {
LOG4CXX_WARN(logger_, "Invalid smart object received.");
return false;
}
LOG4CXX_DEBUG(
logger_,
"Message with protocol: " << message.getElement(jhs::S_PARAMS)
.getElement(jhs::S_PROTOCOL_TYPE)
.asInt());
std::string output_string;
const int64_t protocol_type = message.getElement(jhs::S_PARAMS)
.getElement(jhs::S_PROTOCOL_TYPE)
.asInt();
const int64_t protocol_version = message.getElement(jhs::S_PARAMS)
.getElement(jhs::S_PROTOCOL_VERSION)
.asInt();
switch (protocol_type) {
case 0: {
if (protocol_version == 1) {
if (!formatters::CFormatterJsonSDLRPCv1::toString(message,
output_string)) {
LOG4CXX_WARN(logger_, "Failed to serialize smart object");
return false;
}
output.set_protocol_version(
protocol_handler::MajorProtocolVersion::PROTOCOL_VERSION_1);
} else {
if (!formatters::CFormatterJsonSDLRPCv2::toString(message,
output_string)) {
LOG4CXX_WARN(logger_, "Failed to serialize smart object");
return false;
}
output.set_protocol_version(
static_cast<protocol_handler::MajorProtocolVersion>(
protocol_version));
}
break;
}
case 1: {
if (!formatters::FormatterJsonRpc::ToString(message, output_string)) {
LOG4CXX_WARN(logger_, "Failed to serialize smart object");
return false;
}
output.set_protocol_version(
protocol_handler::MajorProtocolVersion::PROTOCOL_VERSION_HMI);
break;
}
default:
NOTREACHED();
return false;
}
LOG4CXX_DEBUG(logger_, "Convertion result: " << output_string);
output.set_connection_key(message.getElement(jhs::S_PARAMS)
.getElement(strings::connection_key)
.asInt());
output.set_function_id(
message.getElement(jhs::S_PARAMS).getElement(jhs::S_FUNCTION_ID).asInt());
output.set_correlation_id(message.getElement(jhs::S_PARAMS)
.getElement(jhs::S_CORRELATION_ID)
.asInt());
output.set_message_type(
static_cast<MessageType>(message.getElement(jhs::S_PARAMS)
.getElement(jhs::S_MESSAGE_TYPE)
.asInt()));
// Currently formatter creates JSON = 3 bytes for empty SmartObject.
// workaround for notification. JSON must be empty
if (mobile_apis::FunctionID::OnAudioPassThruID !=
message.getElement(jhs::S_PARAMS)
.getElement(strings::function_id)
.asInt()) {
output.set_json_message(output_string);
}
if (message.getElement(jhs::S_PARAMS).keyExists(strings::binary_data)) {
const application_manager::BinaryData binaryData(
message.getElement(jhs::S_PARAMS)
.getElement(strings::binary_data)
.asBinary());
output.set_binary_data(&binaryData);
}
LOG4CXX_DEBUG(logger_, "Successfully parsed smart object into message");
return true;
}
hmi_apis::HMI_API& RPCServiceImpl::hmi_so_factory() {
return hmi_so_factory_;
}
mobile_apis::MOBILE_API& RPCServiceImpl::mobile_so_factory() {
return mobile_so_factory_;
}
} // namespace rpc_service
} // namespace application_manager
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