jmessagequeue.h
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef J_MESSAGEQUEUE_H
#define J_MESSAGEQUEUE_H
#include "jobject.h"
#ifdef _WIN32
#else
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
#endif
#include <stdint.h>
#define MAX_PACKET_SIZE 256
namespace jshared {
struct jpage_msg_t {
long mtype;
char msg[MAX_PACKET_SIZE];
};
struct msgbuf {
int mtype;
};
union msg_t {
#ifdef _WIN32
jpage_msg_t msg;
#else
struct msgbuf buf;
jpage_msg_t msg;
#endif
};
/**
* \brief Socket.
*
* \author Jeff Ferr
*/
class MessageQueue : public virtual jcommon::Object{
private:
/** \brief */
#ifdef _WIN32
HANDLE _id;
#else
key_t _id;
#endif
/** \brief */
bool _is_open;
/** \brief */
bool _blocking;
public:
/**
* \brief Constructor.
*
*/
#ifdef _WIN32
MessageQueue(int key_ = 0, int perms_ = 0600, int maxsize_ = MAX_PACKET_SIZE, int maxmsgs_ = 0);
#else
// MessageQueue(key_t key_ = IPC_PRIVATE, int perms_ = 0600, int size_ = MAX_PACKET_SIZE, int maxmsgs_ = 0);
MessageQueue(key_t key_ = 0, int perms_ = 0600, int size_ = MAX_PACKET_SIZE, int maxmsgs_ = 0);
#endif
/**
* \brief Destrutor virtual.
*
*/
virtual ~MessageQueue();
/**
* \brief
*
*/
int GetMessageIndex();
/**
* \brief
*
*/
void Send(const void *data_, int size_, long type_ = 1);
/**
* \brief
*
*/
void Receive(void *data_, int size_, long mtype_ = 0, int flag_ = 0);
/**
* \brief
*
*/
void SetBlocking(bool b_);
/**
* \brief Close.
*
*/
void Release();
};
}
#endif