src/examples/openflow_message/hello.c
/*
* Sends hello message(s).
*
* Author: Shin-ya Zenke, Yasuhito Takamiya <yasuhito@gmail.com>
*
* Copyright (C) 2008-2013 NEC Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <inttypes.h>
#include <stdio.h>
#include "trema.h"
void
usage() {
printf( "Usage: %s COUNT\n", get_executable_name() );
}
static void
send_hello( uint64_t datapath_id, void *count ) {
for ( int i = 0; i < *( ( int * ) count ); i++ ) {
buffer *hello = create_hello( get_transaction_id(), NULL );
bool ret = send_openflow_message( datapath_id, hello );
if ( !ret ) {
error( "Failed to send an hello message to the switch with datapath ID = %#" PRIx64 ".", datapath_id );
}
free_buffer( hello );
}
}
int
main( int argc, char *argv[] ) {
init_trema( &argc, &argv );
if ( argc < 2 ) {
usage();
return -1;
}
int count = atoi( argv[ 1 ] );
set_switch_ready_handler( send_hello, &count );
start_trema();
return 0;
}
/*
* Local variables:
* c-basic-offset: 2
* indent-tabs-mode: nil
* End:
*/