OpenSceneGraph/examples/osgcluster/broadcaster.h

85 lines
2.3 KiB
C++

/* -*-c++-*-
*
* OpenSceneGraph example, osgcluster.
*
* 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 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.
*/
#ifndef __BROADCASTER_H
#define __BROADCASTER_H
#include <string>
////////////////////////////////////////////////////////////
// Broadcaster.h
//
// Class definition for broadcasting a buffer to a LAN
//
#if !defined(WIN32) || defined(__CYGWIN__)
#include <netinet/in.h>
#endif
class Broadcaster
{
public :
Broadcaster( void );
~Broadcaster( void );
// Set the broadcast port
void setPort( const short port );
// Set the buffer to be broadcast
void setBuffer( void *buffer, const unsigned int buffer_size );
// Set the IFRName i.e. eth0, will default to platform appropriate setting where possible.
void setIFRName( const std::string& name );
// Set a recipient host. If this is used, the Broadcaster
// no longer broadcasts, but rather directs UDP packets at
// host.
void setHost( const char *hostname );
// Sync broadcasts the buffer
void sync( void );
private :
bool init( void );
private :
std::string _ifr_name;
#if defined(WIN32) && !defined(__CYGWIN__)
SOCKET _so;
#else
int _so;
#endif
bool _initialized;
short _port;
void *_buffer;
unsigned int _buffer_size;
#if defined(WIN32) && !defined(__CYGWIN__)
SOCKADDR_IN saddr;
#else
struct sockaddr_in saddr;
#endif
unsigned long _address;
};
#endif