| // Copyright 2016 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. |
| |
| #ifndef SRC_SYS_SYSMGR_APP_H_ |
| #define SRC_SYS_SYSMGR_APP_H_ |
| |
| #include <fuchsia/hardware/power/statecontrol/cpp/fidl.h> |
| #include <fuchsia/pkg/cpp/fidl.h> |
| #include <fuchsia/sys/cpp/fidl.h> |
| #include <lib/async-loop/cpp/loop.h> |
| #include <lib/sys/cpp/component_context.h> |
| #include <lib/sys/cpp/service_directory.h> |
| #include <lib/vfs/cpp/pseudo_dir.h> |
| #include <lib/zx/time.h> |
| |
| #include <deque> |
| #include <map> |
| #include <memory> |
| #include <string> |
| #include <unordered_set> |
| |
| #include "src/lib/fxl/macros.h" |
| #include "src/sys/sysmgr/config.h" |
| #include "src/sys/sysmgr/package_updating_loader.h" |
| |
| namespace sysmgr { |
| |
| // The sysmgr creates a nested environment within which it starts apps |
| // and wires up the UI services they require. |
| // |
| // The nested environment consists of the following system applications |
| // which are started on demand then retained as singletons for the lifetime |
| // of the environment. |
| class App { |
| public: |
| explicit App(Config config, std::shared_ptr<sys::ServiceDirectory> incoming_services, |
| async::Loop* loop); |
| ~App(); |
| |
| // Launch component in the sys realm. |
| // If the component is marked as critical, it is tracked and restarted when it crashes. |
| void LaunchComponent(const fuchsia::sys::LaunchInfo& launch_info, |
| fuchsia::sys::ComponentController::OnTerminatedCallback on_terminate, |
| fit::function<void(zx_status_t)> on_ctrl_err); |
| |
| private: |
| zx::channel OpenAsDirectory(); |
| void ConnectToService(const std::string& service_name, zx::channel channel); |
| |
| void RegisterSingleton(std::string service_name, fuchsia::sys::LaunchInfoPtr launch_info, |
| bool is_optional_service); |
| void RegisterLoader(); |
| void RegisterDefaultServiceConnector(); |
| |
| void RebootFromCriticalComponent(const std::string& component_url); |
| |
| void StartDiagnostics(fuchsia::sys::LaunchInfo launch_diagnostics, async::Loop* loop); |
| |
| async::Loop* loop_; |
| std::shared_ptr<sys::ServiceDirectory> incoming_services_; |
| |
| // Keep track of services provided by each cmoponent URL. |
| std::map<std::string, std::shared_ptr<sys::ServiceDirectory>> services_; |
| |
| // Nested environment within which the apps started by sysmgr will run. |
| fuchsia::sys::EnvironmentPtr env_; |
| fuchsia::sys::EnvironmentControllerPtr env_controller_; |
| fuchsia::sys::LauncherPtr env_launcher_; |
| |
| vfs::PseudoDir svc_root_; |
| std::vector<std::string> svc_names_; |
| |
| std::unique_ptr<PackageUpdatingLoader> package_updating_loader_; |
| fuchsia::sys::LoaderPtr loader_; |
| fidl::BindingSet<fuchsia::sys::Loader> loader_bindings_; |
| |
| bool auto_updates_enabled_; |
| |
| fuchsia::hardware::power::statecontrol::AdminPtr power_admin_; |
| |
| // The set of critical components. |
| std::unordered_set<std::string> critical_components_; |
| // Contains the ComponentControllers of all component URLs launched by sysmgr. |
| // They are removed from this map when the associated component dies. |
| std::unordered_map<std::string, fuchsia::sys::ComponentControllerPtr> controllers_; |
| |
| FXL_DISALLOW_COPY_AND_ASSIGN(App); |
| }; |
| |
| } // namespace sysmgr |
| |
| #endif // SRC_SYS_SYSMGR_APP_H_ |