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#include "remote_control/resource_allocation_manager_impl.h"
#include "application_manager/application.h"
#include "application_manager/message_helper.h"
#include "remote_control/rc_module_constants.h"
#include "json/json.h"
#include "utils/helpers.h"
#include "utils/make_shared.h"
#include "remote_control/message_helper.h"
#include "remote_control/rc_app_extension.h"
namespace remote_control {
CREATE_LOGGERPTR_GLOBAL(logger_, "RemoteControlModule")
ResourceAllocationManagerImpl::ResourceAllocationManagerImpl(
RemotePluginInterface& rc_plugin)
: current_access_mode_(hmi_apis::Common_RCAccessMode::AUTO_ALLOW)
, rc_plugin_(rc_plugin) {}
ResourceAllocationManagerImpl::~ResourceAllocationManagerImpl() {}
AcquireResult::eType ResourceAllocationManagerImpl::AcquireResource(
const std::string& module_type, const uint32_t app_id) {
LOG4CXX_AUTO_TRACE(logger_);
const application_manager::ApplicationSharedPtr acquiring_app =
rc_plugin_.service()->GetApplication(app_id);
if (!acquiring_app) {
LOG4CXX_WARN(logger_, "App with app_id: " << app_id << "does not exist!");
return AcquireResult::IN_USE;
}
sync_primitives::AutoLock lock(allocated_resources_lock_);
const AllocatedResources::const_iterator allocated_it =
allocated_resources_.find(module_type);
if (allocated_resources_.end() == allocated_it) {
allocated_resources_[module_type] = app_id;
LOG4CXX_DEBUG(logger_,
"Resource is not acquired yet. "
<< "App: " << app_id << " is allowed to acquire "
<< module_type);
return AcquireResult::ALLOWED;
}
if (app_id == allocated_resources_[module_type]) {
LOG4CXX_DEBUG(logger_,
"App: " << app_id << " is already acquired resource "
<< module_type);
return AcquireResult::ALLOWED;
}
if (IsModuleTypeRejected(module_type, app_id)) {
LOG4CXX_DEBUG(logger_,
"Driver disallowed app: " << app_id << " to acquire "
<< module_type);
return AcquireResult::REJECTED;
}
const mobile_apis::HMILevel::eType acquiring_app_hmi_level =
acquiring_app->hmi_level();
if (mobile_apis::HMILevel::HMI_FULL != acquiring_app_hmi_level) {
LOG4CXX_DEBUG(
logger_,
"Aquiring resources is not allowed in HMI level: "
<< application_manager::MessageHelper::StringifiedHMILevel(
acquiring_app_hmi_level) << ". App: " << app_id
<< " is disallowed to acquire " << module_type);
return AcquireResult::REJECTED;
}
switch (current_access_mode_) {
case hmi_apis::Common_RCAccessMode::AUTO_DENY: {
LOG4CXX_DEBUG(logger_,
"Current access_mode is AUTO_DENY. "
<< "App: " << app_id << " is disallowed to acquire "
<< module_type);
return AcquireResult::IN_USE;
}
case hmi_apis::Common_RCAccessMode::ASK_DRIVER: {
LOG4CXX_DEBUG(logger_,
"Current access_mode is ASK_DRIVER. "
"Driver confirmation is required for app: "
<< app_id << " to acquire " << module_type);
return AcquireResult::ASK_DRIVER;
}
case hmi_apis::Common_RCAccessMode::AUTO_ALLOW: {
LOG4CXX_DEBUG(logger_,
"Current access_mode is AUTO_ALLOW. "
<< "App: " << app_id << " is allowed to acquire "
<< module_type);
allocated_resources_[module_type] = app_id;
return AcquireResult::ALLOWED;
}
default: { DCHECK_OR_RETURN(false, AcquireResult::IN_USE); }
}
}
void ResourceAllocationManagerImpl::ReleaseResource(
const std::string& module_type, const uint32_t application_id) {
LOG4CXX_AUTO_TRACE(logger_);
LOG4CXX_DEBUG(logger_, "Release " << module_type << " by " << application_id);
AllocatedResources::const_iterator allocation =
allocated_resources_.find(module_type);
if (allocated_resources_.end() == allocation) {
LOG4CXX_DEBUG(logger_, "Resource " << module_type << " is not allocated.");
return;
}
if (application_id != allocation->second) {
LOG4CXX_DEBUG(logger_,
"Resource " << module_type
<< " is allocated by different application "
<< allocation->second);
return;
}
allocated_resources_.erase(allocation);
LOG4CXX_DEBUG(logger_, "Resource " << module_type << " is released.");
return;
}
void ResourceAllocationManagerImpl::ProcessApplicationPolicyUpdate() {
typedef std::vector<application_manager::ApplicationSharedPtr> Apps;
Apps app_list =
rc_plugin_.service()->GetApplications(rc_plugin_.GetModuleID());
Apps::const_iterator app = app_list.begin();
for (; app_list.end() != app; ++app) {
application_manager::ApplicationSharedPtr app_ptr = *app;
const uint32_t application_id = app_ptr->app_id();
Resources acquired_modules = GetAcquiredResources(application_id);
std::sort(acquired_modules.begin(), acquired_modules.end());
Resources allowed_modules;
rc_plugin_.service()->GetModuleTypes((*app)->policy_app_id(),
&allowed_modules);
std::sort(allowed_modules.begin(), allowed_modules.end());
LOG4CXX_DEBUG(logger_,
"Acquired modules: " << acquired_modules.size()
<< " , allowed modules: "
<< allowed_modules.size());
Resources disallowed_modules;
std::set_difference(acquired_modules.begin(),
acquired_modules.end(),
allowed_modules.begin(),
allowed_modules.end(),
std::back_inserter(disallowed_modules));
RCAppExtensionPtr rc_extention = GetApplicationExtention(app_ptr);
Resources::const_iterator module = disallowed_modules.begin();
for (; disallowed_modules.end() != module; ++module) {
ReleaseResource(*module, application_id);
if (rc_extention) {
rc_extention->UnsubscribeFromInteriorVehicleData(Json::Value(*module));
}
}
}
}
RCAppExtensionPtr ResourceAllocationManagerImpl::GetApplicationExtention(
application_manager::ApplicationSharedPtr application) {
LOG4CXX_AUTO_TRACE(logger_);
if (!application) {
return NULL;
}
RCAppExtensionPtr rc_app_extension;
application_manager::AppExtensionPtr app_extension =
application->QueryInterface(rc_plugin_.GetModuleID());
if (!app_extension) {
return NULL;
}
rc_app_extension =
application_manager::AppExtensionPtr::static_pointer_cast<RCAppExtension>(
app_extension);
return rc_app_extension;
}
void ResourceAllocationManagerImpl::RemoveAppsSubscriptions(const Apps& apps) {
Apps::const_iterator app = apps.begin();
for (; apps.end() != app; ++app) {
application_manager::ApplicationSharedPtr app_ptr = *app;
if (!app_ptr) {
continue;
}
RCAppExtensionPtr rc_extention = GetApplicationExtention(app_ptr);
if (rc_extention) {
rc_extention->UnsubscribeFromInteriorVehicleData();
}
}
}
std::vector<std::string> ResourceAllocationManagerImpl::GetAcquiredResources(
const uint32_t application_id) const {
LOG4CXX_AUTO_TRACE(logger_);
Resources allocated_resources;
AllocatedResources::const_iterator allocation = allocated_resources_.begin();
for (; allocated_resources_.end() != allocation; ++allocation) {
if (application_id == allocation->second) {
allocated_resources.push_back(allocation->first);
}
}
LOG4CXX_DEBUG(logger_,
"Application " << application_id << " acquired "
<< allocated_resources.size()
<< " resource(s).");
return allocated_resources;
}
void ResourceAllocationManagerImpl::SetResourceState(
const std::string& module_type,
const uint32_t app_id,
const ResourceState::eType state) {
LOG4CXX_AUTO_TRACE(logger_);
LOG4CXX_DEBUG(logger_,
"Setting state for " << module_type << " by app_id " << app_id
<< " to state " << state);
{
sync_primitives::AutoLock lock(allocated_resources_lock_);
const AllocatedResources::const_iterator allocated_it =
allocated_resources_.find(module_type);
const bool acquired = allocated_resources_.end() != allocated_it;
if (acquired) {
LOG4CXX_DEBUG(logger_,
"Resource " << module_type << " is already acquired."
<< " Owner application id is "
<< allocated_it->second
<< " Changing application id is " << app_id);
} else {
LOG4CXX_DEBUG(logger_,
"Resource " << module_type << " is not acquired yet");
}
}
sync_primitives::AutoLock lock(resources_state_lock_);
resources_state_[module_type] = state;
LOG4CXX_DEBUG(logger_, "Resource " << module_type << " got state " << state);
}
bool ResourceAllocationManagerImpl::IsResourceFree(
const std::string& module_type) const {
LOG4CXX_AUTO_TRACE(logger_);
sync_primitives::AutoLock lock(resources_state_lock_);
const ResourcesState::const_iterator resource =
resources_state_.find(module_type);
if (resources_state_.end() == resource) {
LOG4CXX_DEBUG(logger_, "Resource " << module_type << " is free.");
return true;
}
LOG4CXX_DEBUG(logger_,
"Resource " << module_type << " state is " << resource->second);
return ResourceState::FREE == resource->second;
}
void ResourceAllocationManagerImpl::SetAccessMode(
const hmi_apis::Common_RCAccessMode::eType access_mode) {
if (hmi_apis::Common_RCAccessMode::ASK_DRIVER != access_mode) {
sync_primitives::AutoLock lock(rejected_resources_for_application_lock_);
rejected_resources_for_application_.clear();
}
current_access_mode_ = access_mode;
}
hmi_apis::Common_RCAccessMode::eType
ResourceAllocationManagerImpl::GetAccessMode() const {
return current_access_mode_;
}
void ResourceAllocationManagerImpl::ForceAcquireResource(
const std::string& module_type, const uint32_t app_id) {
LOG4CXX_DEBUG(logger_, "Force " << app_id << " acquiring " << module_type);
sync_primitives::AutoLock lock(allocated_resources_lock_);
allocated_resources_[module_type] = app_id;
}
bool ResourceAllocationManagerImpl::IsModuleTypeRejected(
const std::string& module_type, const uint32_t app_id) {
LOG4CXX_AUTO_TRACE(logger_);
sync_primitives::AutoLock lock(rejected_resources_for_application_lock_);
RejectedResources::iterator it =
rejected_resources_for_application_.find(app_id);
if (rejected_resources_for_application_.end() == it) {
return false;
}
const std::vector<std::string>& list_of_rejected_resources =
rejected_resources_for_application_[app_id];
return helpers::in_range(list_of_rejected_resources, module_type);
}
void ResourceAllocationManagerImpl::OnDriverDisallowed(
const std::string& module_type, const uint32_t app_id) {
LOG4CXX_AUTO_TRACE(logger_);
sync_primitives::AutoLock lock(rejected_resources_for_application_lock_);
RejectedResources::iterator it =
rejected_resources_for_application_.find(app_id);
if (rejected_resources_for_application_.end() == it) {
rejected_resources_for_application_[app_id] = std::vector<std::string>();
}
std::vector<std::string>& list_of_rejected_resources =
rejected_resources_for_application_[app_id];
list_of_rejected_resources.push_back(module_type);
}
void ResourceAllocationManagerImpl::OnApplicationEvent(
functional_modules::ApplicationEvent event,
application_manager::ApplicationSharedPtr application) {
LOG4CXX_AUTO_TRACE(logger_);
LOG4CXX_DEBUG(logger_,
"Event " << event << " came for " << application->app_id());
if (functional_modules::ApplicationEvent::kApplicationExit == event ||
functional_modules::ApplicationEvent::kApplicationUnregistered == event) {
Resources acquired_modules = GetAcquiredResources(application->app_id());
Resources::const_iterator module = acquired_modules.begin();
for (; acquired_modules.end() != module; ++module) {
ReleaseResource(*module, application->app_id());
}
Apps app_list;
app_list.push_back(application);
RemoveAppsSubscriptions(app_list);
}
}
void ResourceAllocationManagerImpl::OnPolicyEvent(
functional_modules::PolicyEvent event) {
LOG4CXX_AUTO_TRACE(logger_);
LOG4CXX_DEBUG(logger_, "Event " << event);
if (functional_modules::PolicyEvent::kApplicationPolicyUpdated == event) {
ProcessApplicationPolicyUpdate();
return;
}
if (functional_modules::PolicyEvent::kApplicationsDisabled == event) {
ResetAllAllocations();
application_manager::ServicePtr s = rc_plugin_.service();
Apps app_list = s->GetApplications(rc_plugin_.GetModuleID());
RemoveAppsSubscriptions(app_list);
return;
}
}
void ResourceAllocationManagerImpl::ResetAllAllocations() {
LOG4CXX_AUTO_TRACE(logger_);
{
sync_primitives::AutoLock lock(resources_state_lock_);
resources_state_.clear();
}
{
sync_primitives::AutoLock lock(allocated_resources_lock_);
allocated_resources_.clear();
}
{
sync_primitives::AutoLock lock(rejected_resources_for_application_lock_);
rejected_resources_for_application_.clear();
}
}
} // namespace remote_control
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