/*
 * Copyright 2001-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef USERLAND_FS_PORT_H
#define USERLAND_FS_PORT_H

#include <OS.h>

class KernelDebug;

namespace UserlandFSUtil {

struct PortInfo {
};

class Port {
public:
                        struct Info {
                                port_id                 owner_port;
                                port_id                 client_port;
                                int32                   size;
                        };

public:
                                                                Port(int32 size);
                                                                Port(const Info* info);
                                                                ~Port();

                        void                            Close();

                        status_t                        InitCheck() const;

                        const Info*                     GetInfo() const;

                        void*                           GetBuffer() const       { return fBuffer; }
                        int32                           GetCapacity() const     { return fCapacity; }

                        void                            Reserve(int32 endOffset);
                        void                            Unreserve(int32 endOffset);
                        int32                           ReservedSize() const { return fReservedSize; }

                        status_t                        Send(const void* message, int32 size);
                        status_t                        Receive(void** _message, size_t* _size,
                                                                        bigtime_t timeout = -1);

private:
                        friend class ::KernelDebug;

                        Info                            fInfo;
                        uint8*                          fBuffer;
                        int32                           fCapacity;
                        int32                           fReservedSize;
                        status_t                        fInitStatus;
                        bool                            fOwner;
};

}       // namespace UserlandFSUtil

using UserlandFSUtil::PortInfo;
using UserlandFSUtil::Port;

#endif  // USERLAND_FS_PORT_H