blob: a1a810b36a2e89adbdbd3adc2046f0d92b8c957a [file] [log] [blame]
// 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 <fuchsia/net/tun/cpp/fidl.h>
#include <lib/fidl/cpp/binding_set.h>
#include "tun_device.h"
#include "tun_pair.h"
namespace network {
namespace tun {
// Implements ``.
// `TunCtl` is created with a `dispatcher`, over which it serves the ``
// protocol. It retains lists of created `TunDevice`s and `TunPair`s.
class TunCtl : public fuchsia::net::tun::Control {
TunCtl(async_dispatcher_t* dispatcher) : dispatcher_(dispatcher) {}
void Connect(fidl::InterfaceRequest<fuchsia::net::tun::Control> req) {
bindings_set_.AddBinding(this, std::move(req), dispatcher_);
fidl::InterfaceRequestHandler<fuchsia::net::tun::Control> GetHandler() {
[this](fidl::InterfaceRequest<fuchsia::net::tun::Control> req) { Connect(std::move(req)); };
void CreateDevice(fuchsia::net::tun::DeviceConfig config,
fidl::InterfaceRequest<fuchsia::net::tun::Device> device) override;
void CreatePair(fuchsia::net::tun::DevicePairConfig config,
fidl::InterfaceRequest<fuchsia::net::tun::DevicePair> device_pair) override;
// Schedules `shutdown_callback` to be called once all devices and device pairs are torn down and
// destroyed.
// NOTE: This does not trigger the destruction of all devices, it installs an observer that
// will notify the caller when all the devices are destroyed by their regular lifetime semantics.
void SetSafeShutdownCallback(fit::callback<void()> shutdown_callback);
void TryFireShutdownCallback();
async_dispatcher_t* dispatcher_;
fit::callback<void()> shutdown_callback_;
fidl::BindingSet<fuchsia::net::tun::Control> bindings_set_;
fbl::DoublyLinkedList<std::unique_ptr<TunDevice>> devices_;
fbl::DoublyLinkedList<std::unique_ptr<TunPair>> device_pairs_;
} // namespace tun
} // namespace network