| // 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 <lib/devmgr-integration-test/fixture.h> |
| |
| #include <stdint.h> |
| #include <thread> |
| #include <utility> |
| |
| #include <fbl/algorithm.h> |
| #include <fs/pseudo-dir.h> |
| #include <fs/service.h> |
| #include <fs/synchronous-vfs.h> |
| #include <fuchsia/boot/c/fidl.h> |
| #include <lib/async/cpp/wait.h> |
| #include <lib/async-loop/cpp/loop.h> |
| #include <lib/devmgr-launcher/launch.h> |
| #include <lib/fdio/directory.h> |
| #include <lib/fdio/fd.h> |
| #include <lib/fdio/fdio.h> |
| #include <lib/fidl-async/bind.h> |
| #include <zircon/processargs.h> |
| #include <zircon/status.h> |
| |
| namespace { |
| |
| using GetBootItemFunction = devmgr_launcher::GetBootItemFunction; |
| |
| zx_status_t ItemsGet(void* ctx, uint32_t type, uint32_t extra, fidl_txn_t* txn) { |
| const auto& get_boot_item = *static_cast<GetBootItemFunction*>(ctx); |
| zx::vmo vmo; |
| uint32_t length = 0; |
| if (get_boot_item) { |
| zx_status_t status = get_boot_item(type, extra, &vmo, &length); |
| if (status != ZX_OK) { |
| return status; |
| } |
| } |
| return fuchsia_boot_ItemsGet_reply(txn, vmo.release(), length); |
| } |
| |
| constexpr fuchsia_boot_Items_ops kItemsOps = { |
| .Get = ItemsGet, |
| }; |
| |
| zx_status_t RootJobGet(void* ctx, fidl_txn_t* txn) { |
| const auto& root_job = *static_cast<zx::unowned_job*>(ctx); |
| zx::job job; |
| zx_status_t status = root_job->duplicate(ZX_RIGHT_SAME_RIGHTS, &job); |
| if (status != ZX_OK) { |
| return status; |
| } |
| return fuchsia_boot_RootJobGet_reply(txn, job.release()); |
| } |
| |
| constexpr fuchsia_boot_RootJob_ops kRootJobOps = { |
| .Get = RootJobGet, |
| }; |
| |
| fbl::RefPtr<fs::Service> MakeNode(async_dispatcher_t* dispatcher, fidl_dispatch_t* dispatch, |
| void* ctx, const void* ops) { |
| return fbl::MakeRefCounted<fs::Service>([dispatcher, dispatch, ctx, ops](zx::channel channel) { |
| return fidl_bind(dispatcher, channel.release(), dispatch, ctx, ops); |
| }); |
| } |
| |
| zx_status_t bootsvc_main(zx::channel bootsvc_server, GetBootItemFunction get_boot_item, |
| zx::unowned_job root_job) { |
| async::Loop loop{&kAsyncLoopConfigNoAttachToThread}; |
| |
| // Quit the loop when the channel is closed. |
| async::Wait wait(bootsvc_server.get(), ZX_CHANNEL_PEER_CLOSED, [&loop](...) { |
| loop.Quit(); |
| }); |
| |
| // Setup VFS. |
| fs::SynchronousVfs vfs(loop.dispatcher()); |
| auto root = fbl::MakeRefCounted<fs::PseudoDir>(); |
| auto items_dispatch = reinterpret_cast<fidl_dispatch_t*>(fuchsia_boot_Items_dispatch); |
| auto items_node = MakeNode(loop.dispatcher(), items_dispatch, &get_boot_item, &kItemsOps); |
| root->AddEntry(fuchsia_boot_Items_Name, items_node); |
| auto root_job_dispatch = reinterpret_cast<fidl_dispatch_t*>(fuchsia_boot_RootJob_dispatch); |
| auto root_job_node = MakeNode(loop.dispatcher(), root_job_dispatch, &root_job, &kRootJobOps); |
| root->AddEntry(fuchsia_boot_RootJob_Name, root_job_node); |
| |
| // Serve VFS on channel. |
| auto conn = std::make_unique<fs::Connection>(&vfs, root, std::move(bootsvc_server), |
| ZX_FS_FLAG_DIRECTORY | |
| ZX_FS_RIGHT_READABLE | |
| ZX_FS_RIGHT_WRITABLE); |
| vfs.ServeConnection(std::move(conn)); |
| |
| return loop.Run(); |
| } |
| |
| } // namespace |
| |
| namespace devmgr_integration_test { |
| |
| devmgr_launcher::Args IsolatedDevmgr::DefaultArgs() { |
| devmgr_launcher::Args args; |
| args.sys_device_driver = kSysdevDriver; |
| args.load_drivers.push_back("/boot/driver/test.so"); |
| args.driver_search_paths.push_back("/boot/driver/test"); |
| args.use_system_svchost = true; |
| return args; |
| } |
| |
| IsolatedDevmgr::~IsolatedDevmgr() { |
| // Destroy the isolated devmgr |
| if (job_.is_valid()) { |
| job_.kill(); |
| } |
| } |
| |
| zx_status_t IsolatedDevmgr::Create(devmgr_launcher::Args args, IsolatedDevmgr* out) { |
| zx::channel bootsvc_client, bootsvc_server; |
| zx_status_t status = zx::channel::create(0, &bootsvc_client, &bootsvc_server); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| GetBootItemFunction get_boot_item = std::move(args.get_boot_item); |
| IsolatedDevmgr devmgr; |
| zx::channel devfs; |
| status = devmgr_launcher::Launch(std::move(args), std::move(bootsvc_client), &devmgr.job_, |
| &devfs); |
| if (status != ZX_OK) { |
| return status; |
| } |
| |
| // Launch bootsvc_main thread after calling devmgr_launcher::Launch, to |
| // avoid a race when accessing devmgr.job_. |
| std::thread(bootsvc_main, std::move(bootsvc_server), std::move(get_boot_item), |
| zx::unowned_job(devmgr.job_)).detach(); |
| |
| int fd; |
| status = fdio_fd_create(devfs.release(), &fd); |
| if (status != ZX_OK) { |
| return status; |
| } |
| devmgr.devfs_root_.reset(fd); |
| |
| *out = std::move(devmgr); |
| return ZX_OK; |
| } |
| |
| } // namespace devmgr_integration_test |