| // 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_MODULAR_LIB_FIDL_ENVIRONMENT_H_ |
| #define SRC_MODULAR_LIB_FIDL_ENVIRONMENT_H_ |
| |
| #include <fuchsia/sys/cpp/fidl.h> |
| #include <lib/fidl/cpp/binding.h> |
| #include <lib/fidl/cpp/interface_request.h> |
| #include <lib/fit/function.h> |
| #include <lib/sys/cpp/component_context.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <fbl/ref_ptr.h> |
| |
| #include "src/lib/storage/vfs/cpp/pseudo_dir.h" |
| #include "src/lib/storage/vfs/cpp/service.h" |
| #include "src/lib/storage/vfs/cpp/synchronous_vfs.h" |
| |
| namespace modular { |
| |
| // Provides fate separation of sets of applications run by one application. The |
| // environment services are delegated to the parent environment. |
| class Environment { |
| public: |
| Environment(const fuchsia::sys::EnvironmentPtr& parent_env, const std::string& label, |
| const std::vector<std::string>& service_names, bool kill_on_oom); |
| |
| Environment(const Environment* parent_scope, const std::string& label, |
| const std::vector<std::string>& service_names, bool kill_on_oom); |
| |
| template <typename Interface> |
| void AddService(fidl::InterfaceRequestHandler<Interface> handler, |
| const std::string& service_name = Interface::Name_) { |
| auto service = |
| fbl::MakeRefCounted<fs::Service>([handler = std::move(handler)](zx::channel channel) { |
| handler(fidl::InterfaceRequest<Interface>(std::move(channel))); |
| return ZX_OK; |
| }); |
| services_dir_->AddEntry(service_name, service); |
| } |
| |
| // Overrides return value of GetLauncher() with |launcher|. |
| void OverrideLauncher(std::unique_ptr<fuchsia::sys::Launcher> launcher); |
| |
| fuchsia::sys::Launcher* GetLauncher(); |
| |
| const fuchsia::sys::EnvironmentPtr& environment() const { return env_; } |
| |
| private: |
| zx::channel OpenAsDirectory(); |
| |
| void InitEnvironment(const fuchsia::sys::EnvironmentPtr& parent_env, const std::string& label, |
| const std::vector<std::string>& service_names, bool kill_on_oom); |
| |
| fuchsia::sys::EnvironmentPtr env_; |
| fuchsia::sys::LauncherPtr env_launcher_; |
| fuchsia::sys::EnvironmentControllerPtr env_controller_; |
| fs::SynchronousVfs vfs_; |
| fbl::RefPtr<fs::PseudoDir> services_dir_; |
| |
| std::unique_ptr<fuchsia::sys::Launcher> override_launcher_; |
| }; |
| |
| } // namespace modular |
| |
| #endif // SRC_MODULAR_LIB_FIDL_ENVIRONMENT_H_ |