blob: ce0e4ccc25af6268d82314d4a3c5f928a6fd4188 [file] [log] [blame]
// Copyright 2019 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 <fuchsia/io/cpp/fidl.h>
#include <lib/vfs/cpp/internal/node.h>
namespace vfs {
// A |Node| which binds a channel to a service implementation when opened.
class Service : public vfs::internal::Node {
// Handler called to bind the provided channel to an implementation
// of the service.
using Connector = fit::function<void(zx::channel channel, async_dispatcher_t* dispatcher)>;
// Adds the specified interface to the set of public interfaces.
// Creates |Service| with a |connector| with the given |service_name|, using
// the given |interface_request_handler|. |interface_request_handler| should
// remain valid for the lifetime of this object.
// A typical usage may be:
// vfs::Service foo_service(foobar_bindings_.GetHandler(this, dispatcher));
// For now this implementation ignores |dispatcher| that we get from |Serve|
// call, if you want to use dispatcher call |Service(Connector)|.
template <typename Interface>
explicit Service(fidl::InterfaceRequestHandler<Interface> handler)
: Service(
[handler = std::move(handler)](zx::channel channel, async_dispatcher_t* dispatcher) {
}) {}
// Creates a service with the specified connector.
// If the |connector| is null, then incoming connection requests will be
// dropped.
explicit Service(Connector connector);
// Destroys the services and releases its connector.
~Service() override;
// |Node| implementation:
zx_status_t GetAttr(fuchsia::io::NodeAttributes* out_attributes) const final;
void Describe(fuchsia::io::NodeInfo* out_info) override final;
const Connector& connector() const { return connector_; }
NodeKind::Type GetKind() const override;
// |Node| implementations:
zx_status_t CreateConnection(uint32_t flags,
std::unique_ptr<vfs::internal::Connection>* connection) final;
zx_status_t Connect(uint32_t flags, zx::channel request, async_dispatcher_t* dispatcher) override;
Connector connector_;
} // namespace vfs