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