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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef IPC_IPC_ENDPOINT_H_
#define IPC_IPC_ENDPOINT_H_
#include "base/process/process_handle.h"
#include "ipc/ipc_export.h"
#include "ipc/ipc_sender.h"
namespace IPC {
// An Endpoint is an abstract base class whose interface provides sending
// functionality, and some receiving functionality. It mostly exists to provide
// a common interface to Channel and ProxyChannel.
class IPC_EXPORT Endpoint : public Sender {
public:
Endpoint();
~Endpoint() override {}
// Get the process ID for the connected peer.
//
// Returns base::kNullProcessId if the peer is not connected yet. Watch out
// for race conditions. You can easily get a channel to another process, but
// if your process has not yet processed the "hello" message from the remote
// side, this will fail. You should either make sure calling this is either
// in response to a message from the remote side (which guarantees that it's
// been connected), or you wait for the "connected" notification on the
// listener.
virtual base::ProcessId GetPeerPID() const = 0;
// A callback that indicates that is_attachment_broker_endpoint() has been
// changed.
virtual void OnSetAttachmentBrokerEndpoint(){};
// Whether this channel is used as an endpoint for sending and receiving
// brokerable attachment messages to/from the broker process.
void SetAttachmentBrokerEndpoint(bool is_endpoint);
protected:
bool is_attachment_broker_endpoint() { return attachment_broker_endpoint_; }
private:
// Whether this channel is used as an endpoint for sending and receiving
// brokerable attachment messages to/from the broker process.
bool attachment_broker_endpoint_;
};
} // namespace IPC
#endif // IPC_IPC_ENDPOINT_H_
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