84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
/*
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* Copyright 2018 The Cartographer Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "cartographer_grpc/internal/handlers/receive_local_slam_results_handler.h"
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#include "cartographer/common/make_unique.h"
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#include "cartographer_grpc/internal/framework/rpc_handler.h"
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#include "cartographer_grpc/internal/map_builder_context_interface.h"
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#include "cartographer_grpc/proto/map_builder_service.pb.h"
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namespace cartographer {
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namespace cloud {
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namespace handlers {
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namespace {
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std::unique_ptr<proto::ReceiveLocalSlamResultsResponse> GenerateResponse(
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std::unique_ptr<MapBuilderContextInterface::LocalSlamResult>
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local_slam_result) {
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auto response = common::make_unique<proto::ReceiveLocalSlamResultsResponse>();
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response->set_trajectory_id(local_slam_result->trajectory_id);
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response->set_timestamp(common::ToUniversal(local_slam_result->time));
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*response->mutable_local_pose() =
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transform::ToProto(local_slam_result->local_pose);
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if (local_slam_result->range_data) {
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*response->mutable_range_data() =
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sensor::ToProto(*local_slam_result->range_data);
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}
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if (local_slam_result->insertion_result) {
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local_slam_result->insertion_result->node_id.ToProto(
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response->mutable_insertion_result()->mutable_node_id());
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}
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return response;
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}
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} // namespace
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void ReceiveLocalSlamResultsHandler::OnRequest(
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const proto::ReceiveLocalSlamResultsRequest& request) {
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auto writer = GetWriter();
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MapBuilderContextInterface::SubscriptionId subscription_id =
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GetUnsynchronizedContext<MapBuilderContextInterface>()
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->SubscribeLocalSlamResults(
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request.trajectory_id(),
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[writer](
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std::unique_ptr<MapBuilderContextInterface::LocalSlamResult>
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local_slam_result) {
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if (local_slam_result) {
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writer.Write(GenerateResponse(std::move(local_slam_result)));
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} else {
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// Callback with 'nullptr' signals that the trajectory
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// finished.
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writer.WritesDone();
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}
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});
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subscription_id_ =
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common::make_unique<MapBuilderContextInterface::SubscriptionId>(
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subscription_id);
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}
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void ReceiveLocalSlamResultsHandler::OnFinish() {
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if (subscription_id_) {
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GetUnsynchronizedContext<MapBuilderContextInterface>()
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->UnsubscribeLocalSlamResults(*subscription_id_);
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}
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}
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} // namespace handlers
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} // namespace cloud
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} // namespace cartographer
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