BEvent1.h

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/*******************************************************************************
 *  BEvent1.h   File Event class
 *  T.Barnaby,  BEAM Ltd,   2005-07-08
 *  Copyright (c) 2022 All Right Reserved, Beam Ltd, https://www.beam.ltd.uk
 *  For license see LICENSE.txt at the root of the beamlib source tree.
 *******************************************************************************
 */
#ifndef BEvent1_H
#define BEvent1_H   1
 
#include <stdint.h>
#include <BError.h>
 
enum BEvent1Type { BEvent1TypeNone, BEvent1TypeInt, BEvent1TypeError };
 
class BEvent1 {
public:
            BEvent1(uint32_t type);
    virtual     ~BEvent1();
    
    uint32_t    getType();
 
            // Implementation functions
    virtual BError  getBinary(void* data, uint32_t& size);
    virtual BError  setBinary(void* data, uint32_t& size);
private:
    uint32_t    otype;          
};
 
class BEvent1Error : public BError, public BEvent1 {
public:
            BEvent1Error(int errNo = ErrorOk, BString errStr = "");
    BError      getBinary(void* data, uint32_t& size);
    BError      setBinary(void* data, uint32_t& size);
private:
};
 
class BEvent1Pipe {
public:
            BEvent1Pipe();
            ~BEvent1Pipe();
            
    void        clear();                    
    BError      sendEvent(BEvent1* event);  
    BError      getEvent(BEvent1* event, int timeOutUs = -1);   
    
    int     getReceiveFd();         
private:
    int     ofds[2];            
};
 
 
class BEvent1Int {
public:
            BEvent1Int();
            ~BEvent1Int();
            
    void        clear();                    
    BError      sendEvent(int event);       
    BError      getEvent(int& event, int timeOutUs = -1);   
    
    int     getFd();
private:
    int     ofds[2];            
};
 
#endif