tools/fidl/scripts/canonical_example/templates/implement_hlcpp/client/main.cc.template

// Copyright 2022 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <lib/async-loop/cpp/loop.h>
#include <lib/sys/cpp/component_context.h>
#include <lib/syslog/cpp/macros.h>
#include <unistd.h>

#include <examples/${series_flat_case}/${variant_flat_case}/cpp/fidl.h>
#include <examples/fidl/new/${series_snake_case}/${variant_snake_case}/hlcpp/client/config.h>

int main(int argc, const char** argv) {
  FX_LOGS(INFO) << "Started";

  // Retrieve component configuration.
  auto conf = config::Config::TakeFromStartupHandle();

  // Start up an async loop.
  async::Loop loop(&kAsyncLoopConfigNeverAttachToThread);
  async_dispatcher_t* dispatcher = loop.dispatcher();

  // Connect to the protocol inside the component's namespace, then create an asynchronous client
  // using the newly-established connection.
  examples::${series_flat_case}::${variant_flat_case}::${protocol_pascal_case}Ptr ${protocol_snake_case}_proxy;
  auto context = sys::ComponentContext::Create();
  context->svc()->Connect(${protocol_snake_case}_proxy.NewRequest(dispatcher));
  FX_LOGS(INFO) << "Outgoing connection enabled";

  // TODO(${dns}): Add any event sending protocol lambdas here. Each lambda should be set lik3
  // |${protocol_snake_case}_proxy.events.EVENT_NAME = [](...) {...}`.

  ${protocol_snake_case}_proxy.set_error_handler([&loop](zx_status_t status) {
    FX_LOGS(ERROR) << "Shutdown unexpectedly";
    loop.Quit();
  });

  // TODO(${dns}): Read config from the |conf| to process script events, and thereby make calls
  // to the server, here.

  // TODO(https://fxbug.dev/42156498): We need to sleep here to make sure all logs get drained. Once the
  // referenced bug has been resolved, we can remove the sleep.
  sleep(2);
  return 0;
}