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C:/temp/src/j2k/Deprecated/UDP.Unix/UnixSocketSender.cpp

Go to the documentation of this file.

#include "UnixSocketSender.hpp"

UnixSocketSender::UnixSocketSender( char*  SendMsg_Host,
                                    short  SendMsg_Port )
{
   ListenSocket = INVALID_SOCKET;

   memset( &dest,  0, sizeof( struct sockaddr_in ) );

   getHostData( SendMsg_Host );

   dest.sin_family = PF_INET;
   dest.sin_addr   = *(in_addr*)( hostdata->h_addr_list[0] );
   dest.sin_port   = htons( SendMsg_Port );
}

// ::SendMsg
// hostdata -> dest
// dest
// sento( ListenSocket, ... )

// ::Listen()
// ListenSocket
// srv

// ::ListenThread()
// socketData
// client

UnixSocketSender::~UnixSocketSender() { }

inline void UnixSocketSender::setSocket( SOCKET fdSocketNo ) {
  ListenSocket = fdSocketNo;  
}

bool UnixSocketSender::SendMsg( char* Msg, size_t msgLen )
{
   signed int Sent;

   printf( "Message being sent to host %s port %i\n",
           inet_ntoa( dest.sin_addr ),
           ntohs(     dest.sin_port )
         );
 
   Sent = sendto( ListenSocket, Msg, msgLen, 0, 
                  (struct sockaddr *)&dest, 
                  sizeof( struct sockaddr_in ) 
                );

   if ( Sent != msgLen )
   {
      printf("Error sending UDP packet from listen socket\n");
      fflush(0);
      return false;
   }

   return true;
}

void UnixSocketSender::getHostData( char* SendMsg_Host )
{
   if ( atoi( SendMsg_Host) ) // Host is given by IPv4 format "x.x.x.x"  
   {
      ULONG ip = inet_addr( SendMsg_Host );
      hostdata = gethostbyaddr( (char*)&ip, sizeof(ip), PF_INET );
 
   } else {          // Host is given by name format "server.host.ca"

      hostdata = gethostbyname( SendMsg_Host );
   }

   if ( hostdata == NULL )
   {
      printf( "Error getting host address\n" );
      fflush( 0 );   
      exit( 1 );
   }
}

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