Multicast.h

/*
 * Multicast.h
 *
 *  Created on: 19 Sep 2019
 *      Author: pgm
 */
 
#ifndef MULTICAST_H_
#define MULTICAST_H_
 
class MultiCast {
 
protected:
    static const char* multicast_if;
public:
    virtual ~MultiCast() {}
 
    virtual int sendto(const void* message, int len) = 0;
    virtual int recvfrom(void* message, int len) = 0;
 
    enum MC { MC_SENDER, MC_RECEIVER };
    static MultiCast& factory(const char* group, int port, MC mode);
    static void set_IP_MULTICAST_IF(const char* addr) {
        multicast_if = addr;
    }
};
 
class WrsCast: public MultiCast {
public:
    virtual ~WrsCast() {}
 
    virtual int sendto(const void* message, int len) = 0;
    virtual int recvfrom(void* message, int len) = 0;
 
    static MultiCast& factory(const char* group, int port, MC mode);
};
 
typedef MultiCast& MC_FACTORY(const char* group, int port, MultiCast::MC mode);
 
 
#endif /* MULTICAST_H_ */