RPC call (#2)

.clang-format

@@ -0,0 +1,12 @@
+BasedOnStyle: LLVM
+IndentWidth: 4
+UseTab: Never
+ColumnLimit: 100
+
+KeepEmptyLinesAtTheStartOfBlocks: true
+MaxEmptyLinesToKeep: 2
+AllowShortBlocksOnASingleLine: Never
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+ReflowComments: false

.gitignore

@@ -49,3 +49,4 @@ CMakeCache.txt
 /CMakeFiles
 /examples/display/build
 *.log
+/examples/rpc_call/build

conanfile.py

@@ -39,7 +39,7 @@ class MyLibraryConan(ConanFile):
 
     def requirements(self):
         self.requires("flatbuffers/24.12.23")
-        self.requires("librpc/1.1.6")
+        self.requires("librpc/1.1.7")
         self.requires("eigen/3.4.1")
         self.requires("spdlog/1.16.0")
         self.requires("sentry-native/0.12.2")

examples/display/conanfile.txt

@@ -2,7 +2,7 @@
 libcontrol/1.0.0
 flatbuffers/24.12.23
 spdlog/1.16.0
-librpc/1.1.6
+librpc/1.1.7
 
 [generators]
 CMakeDeps

examples/rpc_call/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.15)
+
+project(RpcCallExample)
+
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+find_package(libcontrol REQUIRED)
+find_package(spdlog REQUIRED)
+find_package(librpc REQUIRED)
+
+add_executable(RpcCallExample main.cpp)
+
+target_link_libraries(RpcCallExample
+    PRIVATE
+        libcontrol::libcontrol
+        spdlog::spdlog
+        librpc::librpc
+)

examples/rpc_call/CMakeUserPresets.json

@@ -0,0 +1,9 @@
+{
+    "version": 4,
+    "vendor": {
+        "conan": {}
+    },
+    "include": [
+        "build/CMakePresets.json"
+    ]
+}

examples/rpc_call/README.md

@@ -0,0 +1,10 @@
+# RPC Call Example
+
+## Compiling
+```
+conan install . --build=missing --output-folder=build -s build_type=Release
+cmake -S . -B "build" -DCMAKE_TOOLCHAIN_FILE="build/conan_toolchain.cmake" -DCMAKE_BUILD_TYPE="Release"
+cmake --build "./build" --config "Release"
+
+./build/RpcCallExample
+```

examples/rpc_call/build.sh

@@ -0,0 +1,3 @@
+conan install . --build=missing --output-folder=build -s build_type=Release
+cmake -S . -B "build" -DCMAKE_TOOLCHAIN_FILE="build/conan_toolchain.cmake" -DCMAKE_BUILD_TYPE="Release"
+cmake --build "./build" --config "Release"

examples/rpc_call/conanfile.txt

@@ -0,0 +1,9 @@
+[requires]
+libcontrol/1.0.0
+flatbuffers/24.12.23
+spdlog/1.16.0
+librpc/1.1.7
+
+[generators]
+CMakeDeps
+CMakeToolchain

examples/rpc_call/main.cpp

@@ -0,0 +1,40 @@
+#include <chrono>
+#include <cstdint>
+#include <cstring>
+#include <format>
+#include <iostream>
+#include <thread>
+#include <vector>
+
+#include "libcontrol.h"
+
+int main() {
+
+  const auto messaging_interface = std::make_unique<MessagingInterface>();
+
+  const auto modules =
+      messaging_interface->find_connected_modules(std::chrono::seconds(3));
+
+  std::cout << "Found " << modules.size() << " modules" << std::endl;
+
+  for (const auto module : modules) {
+    std::cout << "Found ID " << (int)module << std::endl;
+  }
+
+  const auto function_tag = 100;
+  const auto module = 98;
+  std::string msg = "Hello world!";
+  std::vector<uint8_t> parameters(msg.begin(), msg.end());
+  auto maybe_return_value =
+      messaging_interface->remote_call(function_tag, module, parameters);
+
+  if (maybe_return_value) {
+    auto return_value = std::move(*maybe_return_value);
+    std::cout << "Got return value " << (char *)return_value->data()
+              << std::endl;
+  } else {
+    std::cout << "Function call time out" << std::endl;
+  }
+
+  return 0;
+}