#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>

#define PORT     3490
#define DATASIZE (32 * 1024 + 1)

int main( int argc, char *argv[] )
{
  int sockfd, i;  
  char buf[ DATASIZE + 1 ];
  struct sockaddr_in their_addr;

  if ( argc != 2 ) 
    {
      fprintf( stderr,"usage: client hostip\n" );
      exit( 1 );
    }

  if ( ( sockfd = socket( AF_INET, SOCK_STREAM, 0 ) ) == -1 ) 
    {
      perror( "socket" );
      exit( 1 );
    }

  their_addr.sin_family = AF_INET;
  their_addr.sin_port   = htons( PORT );

  if ( inet_pton( AF_INET, argv[ 1 ], 
		  &their_addr.sin_addr ) <= 0 ) 
    {
      perror( "inet_pton" );
      exit( 1 );
  }
  memset( &( their_addr.sin_zero ), '\0', 8 );

  if ( connect( sockfd, (struct sockaddr *) &their_addr, 
		sizeof( struct sockaddr ) ) == -1 ) 
    {
      perror( "connect" );
      exit( 1 );
    }

  for ( i = 0; i < DATASIZE; i ++ )
    {
      buf[ i ] = i % 26 + 'a';
    }
  
    buf[ DATASIZE ] = 0;

   
  if ( ( i = send( sockfd, buf, DATASIZE, 0 ) ) == -1 )
    {
      perror( "send" );
      exit( -1 );
    }

  printf( "sent %d bytes from %d.\n", i, DATASIZE );

  close(sockfd);

  return 0;
}


/* author: Gustavo Sverzut Barbieri (http://www.gustavobarbieri.com.br) */