RPC call (#2)

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;
+}