| // Copyright 2020 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/devices/lib/driver2/namespace.h" |
| |
| #include <zircon/device/vfs.h> |
| |
| zx::status<Namespace> Namespace::Create( |
| fidl::VectorView<llcpp::fuchsia::component::runner::ComponentNamespaceEntry>& entries) { |
| fdio_ns_t* ns; |
| zx_status_t status = fdio_ns_create(&ns); |
| if (status != ZX_OK) { |
| return zx::error(status); |
| } |
| Namespace self(ns); |
| for (auto& entry : entries) { |
| std::string path(entry.path().data(), entry.path().size()); |
| status = fdio_ns_bind(ns, path.data(), entry.directory().TakeChannel().release()); |
| if (status != ZX_OK) { |
| return zx::error(status); |
| } |
| } |
| return zx::ok(std::move(self)); |
| } |
| |
| Namespace::Namespace(fdio_ns_t* ns) : ns_(ns) {} |
| |
| Namespace::~Namespace() { |
| if (ns_ != nullptr) { |
| fdio_ns_destroy(ns_); |
| } |
| } |
| |
| Namespace::Namespace(Namespace&& other) noexcept : ns_(other.ns_) { other.ns_ = nullptr; } |
| |
| Namespace& Namespace::operator=(Namespace&& other) noexcept { |
| this->~Namespace(); |
| ns_ = other.ns_; |
| other.ns_ = nullptr; |
| return *this; |
| } |
| |
| zx::status<zx::channel> Namespace::Connect(std::string_view path) const { |
| zx::channel client_end, server_end; |
| zx_status_t status = zx::channel::create(0, &client_end, &server_end); |
| if (status != ZX_OK) { |
| return zx::error(status); |
| } |
| status = fdio_ns_connect(ns_, path.data(), ZX_FS_RIGHT_READABLE, server_end.release()); |
| if (status != ZX_OK) { |
| return zx::error(status); |
| } |
| return zx::ok(std::move(client_end)); |
| } |