haiku/headers/private/app/PortMessage.h
DarkWyrm 21099b6971 Separated PortQueue and PortMessage into separate files.
Added read methods to PortMessage


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3594 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-06-22 17:17:40 +00:00

68 lines
2.3 KiB
C++

//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: PortMessage.h
// Author: DarkWyrm <bpmagic@columbus.rr.com>
// Description: Package class for port messaging-based data
//
//------------------------------------------------------------------------------
#ifndef PORTMESSAGE_H_
#define PORTMESSAGE_H_
#include <OS.h>
class PortMessage
{
public:
PortMessage(const int32 &code, const void *buffer, const ssize_t &buffersize,
const bool &copy);
PortMessage(void);
~PortMessage(void);
status_t ReadFromPort(const port_id &port, const bigtime_t &timeout=B_INFINITE_TIMEOUT);
status_t WriteToPort(const port_id &port);
void SetCode(const int32 &code);
void SetBuffer(const void *buffer, const ssize_t &size, const bool &copy=false);
int32 Code(void) { return _code; }
void *Buffer(void) { return _buffer; }
ssize_t BufferSize(void) { return _buffersize; }
status_t Read(BPoint *data);
status_t Read(BRect *data);
status_t Read(float *data);
status_t Read(int *data);
status_t Read(long *data);
status_t Read(double *data);
status_t Read(void *data, ssize_t size);
void Rewind(void);
private:
int32 _code;
uint8 *_buffer;
ssize_t _buffersize;
uint8 *_index;
};
#endif