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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#ifndef mozilla_ipc_RawEndpoint_h
#define mozilla_ipc_RawEndpoint_h
#include "mojo/core/ports/port_ref.h"
namespace mozilla::ipc {
class NodeController;
/// A uniquely owned raw IPC endpoint, connected to our peers over the node
/// controller. This type can be sent over IPC channels to establish
/// connections.
///
/// In general, prefer using Endpoint over ScopedPort for type safety reasons.
class ScopedPort {
using PortName = mojo::core::ports::PortName;
using PortRef = mojo::core::ports::PortRef;
public:
ScopedPort();
~ScopedPort();
ScopedPort(PortRef aPort, NodeController* aController);
ScopedPort(ScopedPort&& aOther);
ScopedPort(const ScopedPort&) = delete;
ScopedPort& operator=(ScopedPort&& aOther);
ScopedPort& operator=(const ScopedPort&) = delete;
// Allow checking if this `ScopedPort` is valid or not.
bool IsValid() const { return mValid; }
explicit operator bool() const { return IsValid(); }
// Underlying port and controller which are used by this ScopedPort.
const PortName& Name() const { return mPort.name(); }
const PortRef& Port() const { return mPort; }
NodeController* Controller() const { return mController; }
// Release ownership over the contained `ScopedPort`, meaning that it will
// not be closed when this ScopedPort is destroyed. This will make the
// endpoint invalid.
PortRef Release();
private:
void Reset();
bool mValid = false;
PortRef mPort;
RefPtr<NodeController> mController;
// NOTE: This type does not contain PID information about the other process,
// which will need to be sent separately if necessary.
};
} // namespace mozilla::ipc
namespace IPC {
template <typename T>
struct ParamTraits;
template <>
struct ParamTraits<mozilla::ipc::ScopedPort> {
using paramType = mozilla::ipc::ScopedPort;
static void Write(MessageWriter* aWriter, paramType&& aParam);
static bool Read(MessageReader* aReader, paramType* aResult);
};
} // namespace IPC
#endif
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