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Diffstat (limited to 'src/components/application_manager/src/request_tracker.cc')
-rw-r--r-- | src/components/application_manager/src/request_tracker.cc | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/components/application_manager/src/request_tracker.cc b/src/components/application_manager/src/request_tracker.cc new file mode 100644 index 0000000000..13b3d4d873 --- /dev/null +++ b/src/components/application_manager/src/request_tracker.cc @@ -0,0 +1,133 @@ +/* +* Copyright (c) 2017, 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 "utils/logger.h" +#include "utils/macro.h" +#include "application_manager/request_tracker.h" +#include "application_manager/message_helper.h" + +namespace application_manager { + +namespace request_controller { + +CREATE_LOGGERPTR_GLOBAL(logger_, "RequestController") + +RequestTracker::RequestTracker(const RequestControlerSettings& settings) + : settings_(settings) {} + +TrackResult RequestTracker::Track(const ApplicationID& app_id, + const mobile_apis::HMILevel::eType level) { + LOG4CXX_AUTO_TRACE(logger_); + bool track_result = false; + + LOG4CXX_DEBUG(logger_, + "Tracking request for level: " + << MessageHelper::StringifiedHMILevel(level)); + + if (mobile_apis::HMILevel::HMI_NONE == level) { + track_result = Track(app_id, + settings_.app_hmi_level_none_time_scale(), + settings_.app_hmi_level_none_time_scale_max_requests(), + none_level_tracker_); + + return track_result ? TrackResult::kSuccess + : TrackResult::kNoneLevelMaxRequestsExceeded; + } + + track_result = Track(app_id, + settings_.app_time_scale(), + settings_.app_time_scale_max_requests(), + tracker_); + + return track_result ? TrackResult::kSuccess + : TrackResult::kMaxRequestsExceeded; +} + +bool RequestTracker::Track(const ApplicationID& app_id, + const uint32_t time_scale, + const uint32_t max_requests, + ApplicationsRequestsTracker& tracker) { + LOG4CXX_AUTO_TRACE(logger_); + using date_time::DateTime; + + if (!time_scale || !max_requests) { + LOG4CXX_INFO(logger_, "Time scale request tracking is disabled."); + return true; + } + + LOG4CXX_DEBUG(logger_, + "Time scale is: " << time_scale << ". Max requests number is: " + << max_requests); + + LOG4CXX_DEBUG(logger_, "Tracking app id: " << app_id); + ApplicationsRequestsTracker::iterator it_app = tracker.find(app_id); + + if (tracker.end() == it_app) { + LOG4CXX_DEBUG(logger_, "Adding new application into tracking."); + tracker[app_id].push_back(DateTime::getCurrentTime()); + return true; + } + + LOG4CXX_DEBUG(logger_, + "Amount of known requests is: " << it_app->second.size()); + + if (it_app->second.size() < max_requests) { + LOG4CXX_DEBUG(logger_, "Adding new request into tracking."); + tracker[app_id].push_back(DateTime::getCurrentTime()); + return true; + } + + LOG4CXX_DEBUG(logger_, + "Oldest request is added at: " + << DateTime::getmSecs(it_app->second.front()) + << ". Current time is: " + << DateTime::getmSecs(DateTime::getCurrentTime()) + << ". Time scale is: " << time_scale); + + if (DateTime::calculateTimeSpan(it_app->second.front()) > time_scale) { + LOG4CXX_DEBUG(logger_, "Dropping oldest request, adding new one."); + ApplicationsRequestsTracker::mapped_type& times = tracker[app_id]; + + DCHECK_OR_RETURN(!times.empty(), false); + + times.erase(times.begin()); + times.push_back(DateTime::getCurrentTime()); + return true; + } + + LOG4CXX_DEBUG(logger_, "Requests amount per time scale is exceeded."); + + return false; +} + +} // namespace request_controller +} // namespace application_manager |