Adding grpc examples

NOTICE-3RD-PARTY-CONTENT.md

@@ -6,11 +6,11 @@
 |bottle|0.12.25|MIT|
 |certifi|2024.8.30|Mozilla Public License 2.0|
 |cfgv|3.4.0|MIT|
-|charset-normalizer|3.3.2|MIT|
+|charset-normalizer|3.4.0|MIT|
 |colorama|0.4.6|BSD|
 |conan|1.63.0|MIT|
 |cpplint|1.6.1|New BSD|
-|distlib|0.3.8|Python Software Foundation License|
+|distlib|0.3.9|Python Software Foundation License|
 |distro|1.8.0|Apache 2.0|
 |fasteners|0.19|Apache 2.0|
 |filelock|3.16.1|The Unlicense (Unlicense)|
@@ -19,7 +19,7 @@
 |idna|3.10|BSD|
 |jinja2|3.1.4|BSD|
 |lxml|5.3.0|New BSD|
-|MarkupSafe|2.1.5|New BSD|
+|MarkupSafe|3.0.2|BSD|
 |node-semver|0.6.1|MIT|
 |nodeenv|1.9.1|BSD|
 |patch-ng|1.17.4|MIT|
@@ -32,9 +32,9 @@
 |PyYAML|6.0.2|MIT|
 |requests|2.32.3|Apache 2.0|
 |six|1.16.0|MIT|
-|tqdm|4.66.5|MIT<br/>Mozilla Public License 2.0 (MPL 2.0)|
+|tqdm|4.66.6|MIT<br/>Mozilla Public License 2.0 (MPL 2.0)|
 |urllib3|1.26.20|MIT|
-|virtualenv|20.26.5|MIT|
+|virtualenv|20.27.0|MIT|
 ## Workflows
 | Dependency | Version | License |
 |:-----------|:-------:|--------:|

README.md

@@ -11,6 +11,9 @@ The Vehicle App SDK for C++ allows to create `Vehicle Apps` from the [Velocitas
     * 📁 `seat-adjuster` - an example application showing how to adjust the driver seat when receiving MQTT messages
     * 📁 `set-data-points` - an example application showing how to set single and multiple data points
     * 📁 `example_model` - a handwritten example model to be used by all examples
+    * 📁 `performance-subscribe` - an example application subscribing to signals and printing time and value when updates are received.
+    * 📁 `grpc_client` - an example application implementing a gRPC client, matching the example in [Velocitas documentation](https://eclipse.dev/velocitas/docs/tutorials/grpc_service_generation/create_client/).
+    * 📁 `grpc_server` - an example application implementing a gRPC server, matching the example in [Velocitas documentation](https://eclipse.dev/velocitas/docs/tutorials/grpc_service_generation/create_server/).
 * 📁 `sdk`
     * 📁 `include` - the headers which need to be included by users of the SDK
     * 📁 `src` - contains the source code for the SDK from which the SDK library is built

examples/CMakeLists.txt

@@ -12,8 +12,14 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
+# Adding examples that contain header files but no CMakeLists.txt
+
 include_directories(example_model)
 
+# Adding examples that contain a CMakeLists.txt
+
 add_subdirectory(performance-subscribe)
 add_subdirectory(seat-adjuster)
 add_subdirectory(set-data-points)
+add_subdirectory(grpc_client)
+add_subdirectory(grpc_server)

examples/grpc_client/AppManifest.json

@@ -0,0 +1,17 @@
+{
+    "manifestVersion": "v3",
+    "name": "SampleApp",
+    "interfaces": [
+        {
+            "type": "grpc-interface",
+            "config": {
+                "src": "https://raw.githubusercontent.com/eclipse-kuksa/kuksa-incubation/0.4.0/seat_service/proto/sdv/edge/comfort/seats/v1/seats.proto",
+                "required": {
+                    "methods": [
+                        "Move", "CurrentPosition"
+                    ]
+                }
+            }
+        }
+    ]
+}

examples/grpc_client/CMakeLists.txt

@@ -0,0 +1,24 @@
+# Copyright (c) 2022-2024 Contributors to the Eclipse Foundation
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License, Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0.
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+include_directories(
+    ${CMAKE_BINARY_DIR}/gens
+    ${CONAN_INCLUDE_DIRS}
+)
+
+link_directories(
+    ${CONAN_LIB_DIRS}
+)
+
+add_subdirectory(src)

examples/grpc_client/README.md

@@ -0,0 +1,3 @@
+# GRPC Client Example
+
+Used for the [Client](https://eclipse.dev/velocitas/docs/tutorials/grpc_service_generation/create_client/) example.

examples/grpc_client/src/CMakeLists.txt

@@ -0,0 +1,23 @@
+# Copyright (c) 2022-2024 Contributors to the Eclipse Foundation
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License, Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0.
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set(TARGET_NAME "app")
+
+add_executable(${TARGET_NAME}
+    Launcher.cpp
+)
+
+target_link_libraries(${TARGET_NAME}
+    ${CONAN_LIBS}
+)

examples/grpc_client/src/Launcher.cpp

@@ -0,0 +1,77 @@
+/**
+ * Copyright (c) 2022-2024 Contributors to the Eclipse Foundation
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <sdk/middleware/Middleware.h>
+#include <services/seats/SeatsServiceClientFactory.h>
+#include <services/seats/seats.grpc.pb.h>
+
+#include <iostream>
+
+using namespace velocitas;
+
+int main(int argc, char** argv) {
+    // The default Velocitas Middleware class performs service discovery by
+    // environment variables.
+    // For this client it expects SDV_SEATS_ADDRESS to be defined
+    // for example:
+    // export SDV_SEATS_ADDRESS=grpc://127.0.0.1:5556
+
+    std::cout << "Starting " << std::endl;
+    auto serviceClient = SeatsServiceClientFactory::create(Middleware::getInstance());
+
+    ::grpc::ClientContext                        context;
+    ::sdv::edge::comfort::seats::v1::MoveRequest request;
+    ::sdv::edge::comfort::seats::v1::MoveReply   response;
+
+    ::sdv::edge::comfort::seats::v1::Seat seat;
+
+    ::sdv::edge::comfort::seats::v1::SeatLocation seat_location;
+    seat_location.set_row(1);
+    seat_location.set_index(1);
+
+    ::sdv::edge::comfort::seats::v1::Position seat_position;
+
+    seat_position.set_base(75.0);
+
+    seat.set_allocated_location(&seat_location);
+    seat.set_allocated_position(&seat_position);
+
+    request.set_allocated_seat(&seat);
+
+    auto status = serviceClient->Move(&context, request, &response);
+
+    std::cout << "gRPC Server returned code: " << status.error_code() << std::endl;
+    std::cout << "gRPC error message: " << status.error_message().c_str() << std::endl;
+
+    if (status.error_code() != ::grpc::StatusCode::OK) {
+        // Some error
+        return 1;
+    } else {
+        ::grpc::ClientContext                                   context;
+        ::sdv::edge::comfort::seats::v1::CurrentPositionRequest request;
+        ::sdv::edge::comfort::seats::v1::CurrentPositionReply   response;
+
+        request.set_row(1);
+        request.set_index(1);
+
+        auto status_curr_pos = serviceClient->CurrentPosition(&context, request, &response);
+        std::cout << "gRPC Server returned code: " << status_curr_pos.error_code() << std::endl;
+        std::cout << "gRPC error message: " << status_curr_pos.error_message().c_str() << std::endl;
+        if (status_curr_pos.ok())
+            std::cout << "current Position:" << response.seat().position().base() << std::endl;
+        return 0;
+    }
+}

examples/grpc_server/AppManifest.json

@@ -0,0 +1,27 @@
+{
+    "manifestVersion": "v3",
+    "name": "SampleApp",
+    "interfaces": [
+        {
+            "type": "grpc-interface",
+            "config": {
+                "src": "https://raw.githubusercontent.com/eclipse-kuksa/kuksa-incubation/0.4.0/seat_service/proto/sdv/edge/comfort/seats/v1/seats.proto",
+                "provided": { }
+            }
+        },
+        {
+            "type": "vehicle-signal-interface",
+            "config": {
+                "src": "https://github.com/COVESA/vehicle_signal_specification/releases/download/v4.0/vss_rel_4.0.json",
+                "datapoints": {
+                    "required": [
+                        {
+                            "path": "Vehicle.Cabin.Seat.Row1.DriverSide.Position",
+                            "access": "write"
+                        }
+                    ]
+                }
+            }
+        }
+    ]
+}

examples/grpc_server/CMakeLists.txt

@@ -0,0 +1,24 @@
+# Copyright (c) 2022-2024 Contributors to the Eclipse Foundation
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License, Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0.
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+include_directories(
+    ${CMAKE_BINARY_DIR}/gens
+    ${CONAN_INCLUDE_DIRS}
+)
+
+link_directories(
+    ${CONAN_LIB_DIRS}
+)
+
+add_subdirectory(src)

examples/grpc_server/README.md

@@ -0,0 +1,3 @@
+# GRPC Server Example
+
+Used for the [Server](https://eclipse.dev/velocitas/docs/tutorials/grpc_service_generation/create_server/) example.

examples/grpc_server/src/CMakeLists.txt

@@ -0,0 +1,24 @@
+# Copyright (c) 2022-2024 Contributors to the Eclipse Foundation
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License, Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0.
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set(TARGET_NAME "app")
+
+add_executable(${TARGET_NAME}
+    # SeatsServiceImpl.cpp - No need to include as included from header file
+    Launcher.cpp
+)
+
+target_link_libraries(${TARGET_NAME}
+    ${CONAN_LIBS}
+)

examples/grpc_server/src/Launcher.cpp

@@ -0,0 +1,23 @@
+#include "SeatsServiceImpl.h"
+#include <sdk/middleware/Middleware.h>
+#include <services/seats/SeatsServiceServerFactory.h>
+
+#include "vehicle/Vehicle.hpp"
+
+#include <memory>
+
+using namespace velocitas;
+
+int main(int argc, char** argv) {
+    auto seatsImpl = std::make_shared<SeatsService>();
+
+    velocitas::VehicleModelContext::getInstance().setVdbc(
+        velocitas::IVehicleDataBrokerClient::createInstance("vehicledatabroker"));
+
+    auto seatServer = SeatsServiceServerFactory::create(Middleware::getInstance(), seatsImpl);
+
+    seatServer->Wait();
+
+    std::cout << "Waiting!" << std::endl;
+    return 0;
+}