/* * Copyright (c) 2007 Endace Technology Ltd, Hamilton, New Zealand. * All rights reserved. * * This source code is proprietary to Endace Technology Limited and no part * of it may be redistributed, published or disclosed except as outlined in * the written contract supplied with this product. * DESCRITION: * This example demonstrates how to open a dag device in a system(OS) independent manner * The translation unit is used to translate the dag name and the stream number to the proper device name * the device name may vary from OS to OS and that is why we need a translation or OS independent function * * $Id: simpleopen.c 11447 2009-06-29 00:28:46Z dlim $ */ #include #include #include #include #include "dagapi.h" #include "dagutil.h" int main (void) { char dagname_buf[500]; char dagname[] ="dag0"; int dagstream = 0; int dagfd; /* Translate the dag name to a OS specific device name * Because dag_open requires the device name to be proper device name for the OS * we do that translation with the folloing function */ if (-1 == dag_parse_name(dagname_buf, dagname, DAGNAME_BUFSIZE, &dagstream)) { dagutil_panic("dag_parse_name(%s): %s\n", dagname_buf, strerror(errno)); } /* * this function opens the device for access */ dagfd = dag_open(dagname); /* prints to the stdout the current opend fd */ printf("dagfd : %d\n",dagfd); /* cleses the dag card */ dag_close(dagfd); return 0; } .