// Copyright 2018 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 "src/virtualization/bin/guest/launch.h"

#include <lib/syslog/cpp/macros.h>
#include <zircon/status.h>

#include "src/lib/fxl/strings/string_printf.h"
#include "src/virtualization/bin/guest/serial.h"

void handle_launch(int argc, const char** argv, async::Loop* loop,
                   fuchsia::virtualization::GuestConfig guest_config,
                   sys::ComponentContext* context) {
  // Create environment.
  fuchsia::virtualization::ManagerPtr manager;
  zx_status_t status = context->svc()->Connect(manager.NewRequest());
  if (status != ZX_OK) {
    printf("Failed to connect to guest manager: %s\n", zx_status_get_string(status));
    return;
  }
  fuchsia::virtualization::RealmPtr realm;
  manager->Create(argv[0], realm.NewRequest());

  // Launch guest.
  fuchsia::virtualization::LaunchInfo launch_info;
  launch_info.url = fxl::StringPrintf("fuchsia-pkg://fuchsia.com/%s#meta/%s.cmx", argv[0], argv[0]);
  launch_info.guest_config = std::move(guest_config);
  fuchsia::virtualization::GuestPtr guest;
  realm->LaunchInstance(std::move(launch_info), guest.NewRequest(), [](uint32_t) {});

  // Setup serial console.
  SerialConsole console(loop);
  guest->GetSerial([&console](zx::socket socket) { console.Start(std::move(socket)); });
  guest.set_error_handler([&loop](zx_status_t status) {
    printf("Connection to guest closed: %s\n", zx_status_get_string(status));
    loop->Quit();
  });
  loop->Run();
}