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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/tests/OctetSeq
//
// = FILENAME
// octetseq.cpp
//
// = DESCRIPTION
// TAO optimizes octet sequences, this test verifies that the
// optimizations do not break any code and that they effectively
// improve performance.
//
// = AUTHORS
// Carlos O'Ryan
//
// ============================================================================
#include "ace/Get_Opt.h"
#include "ace/High_Res_Timer.h"
#include "tao/ORB.h"
#include "tao/CDR.h"
#include "testC.h"
#include "ace/OS_NS_string.h"
ACE_RCSID(OctetSeq, OctetSeq, "$Id$")
static int
test_write_octet (TAO_OutputCDR &cdr,
char* /* buf */,
size_t bufsize)
{
#if (TAO_NO_COPY_OCTET_SEQUENCES == 1)
ACE_Message_Block mb (/* buf, */ bufsize);
mb.wr_ptr (bufsize);
Test::OctetSeq os (bufsize, &mb);
#else
Test::OctetSeq os (bufsize);
os.length (bufsize);
#endif /* TAO_NO_COPY_OCTET_SEQUENCES == 1 */
if ((cdr << os) == 0)
return -1;
return 0;
}
static int
test_read_octet (TAO_InputCDR &cdr,
char* /* buf */,
size_t /* bufsize */)
{
Test::OctetSeq os;
if ((cdr >> os) == 0)
return -1;
return 0;
}
static int
test_write_char (TAO_OutputCDR &cdr,
char* buf,
size_t bufsize)
{
Test::CharSeq cs (bufsize, bufsize, buf);
if ((cdr << cs) == 0)
return -1;
return 0;
}
static int
test_read_char (TAO_InputCDR &cdr,
char* /* buf */,
size_t /* bufsize */)
{
Test::CharSeq cs;
if ((cdr >> cs) == 0)
return -1;
return 0;
}
typedef
int (*Writer)(TAO_OutputCDR& cdr,
char* buf, size_t bufsize);
typedef
int (*Reader)(TAO_InputCDR& cdr,
char* buf, size_t bufsize);
int
run (char* buf, size_t bufsize,
size_t n, size_t lo, size_t s,
int quiet,
const char* name,
Writer writer, Reader reader)
{
size_t count = 0;
double sum_read = 0;
double sum_write = 0;
for (size_t x = lo; x <= bufsize; x += s)
{
ACE_High_Res_Timer writing;
ACE_High_Res_Timer reading;
for (size_t i = 0; i < n; ++i)
{
writing.start_incr ();
TAO_OutputCDR output;
if (writer (output, buf, x) != 0)
return -1;
writing.stop_incr ();
TAO_InputCDR input (output);
reading.start_incr ();
if (reader (input, buf, x) != 0)
return -1;
reading.stop_incr ();
}
double m = n;
ACE_Time_Value wtv;
writing.elapsed_time_incr (wtv);
ACE_hrtime_t wusecs = wtv.sec ();
wusecs *= static_cast<ACE_UINT32> (ACE_ONE_SECOND_IN_USECS);
wusecs += wtv.usec ();
ACE_Time_Value rtv;
reading.elapsed_time_incr (rtv);
ACE_hrtime_t rusecs = rtv.sec ();
rusecs *= static_cast<ACE_UINT32> (ACE_ONE_SECOND_IN_USECS);
rusecs += rtv.usec ();
double write_average = ACE_HRTIME_CONVERSION(wusecs) / m;
double read_average = ACE_HRTIME_CONVERSION(rusecs) / m;
count++;
sum_read += read_average;
sum_write += write_average;
if (quiet == 0)
{
ACE_DEBUG ((LM_DEBUG,
"%s: %d %.3f %.3f\n",
name, x, write_average, read_average));
}
}
if (count != 0)
{
ACE_DEBUG ((LM_DEBUG,
"%s total: %.3f %.3f\n",
name, sum_write / count, sum_read / count));
}
return 0;
}
int
main (int argc, char *argv[])
{
ACE_DECLARE_NEW_CORBA_ENV;
ACE_TRY
{
CORBA::ORB_var orb = CORBA::ORB_init (argc,
argv,
0
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
int n = 64;
int lo = 128;
int hi = 65536;
int s = 32;
int quiet = 0;
ACE_Get_Opt get_opt (argc, argv, "qn:l:h:s:");
int opt;
while ((opt = get_opt ()) != EOF)
{
switch (opt)
{
case 'n':
n = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'l':
lo = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'h':
hi = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 's':
s = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'q':
quiet = 1;
break;
case '?':
default:
ACE_DEBUG ((LM_DEBUG,
"Usage: %s "
"-l low "
"-h high "
"-s step "
"-n n "
"\n"
"Writes and then reads octet sequences to a CDR stream "
"starting from <low> up to <high> incrementing "
"by <step>, at each step run <n> iterations to "
"average."
"\n",
argv[0]));
return -1;
}
}
ACE_DEBUG ((LM_DEBUG, "Running:\n"
" low: %d\n"
" hi : %d\n"
" s : %d\n"
" n : %d\n",
lo, hi, s, n));
// Create a "big" buffer and fill it up.
char* buf = new char[hi];
CORBA::Long l = 0xdeadbeef;
for (int i = 0; i < hi / (int) sizeof (l); ++i)
{
ACE_OS::memcpy (buf + sizeof (l) * i, &l, sizeof (l));
}
if (run (buf, hi,
n, lo, s, quiet,
"OCTET", test_write_octet, test_read_octet) != 0)
return 1;
if (run (buf, hi,
n, lo, s, quiet,
"CHAR", test_write_char, test_read_char) != 0)
return 1;
delete[] buf;
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "OctetSeq");
}
ACE_ENDTRY;
return 0;
}
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