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// $Id$
// Assumed to be one of two processes that
// writes/reads from persistent store.
// Each process writes one group of attributes
// and reads from the group written by the
// other process. After reading a check is
// made that expected values are read.
#include "Savable.h"
#include "tao/Storable_FlatFileStream.h"
#include "ace/Get_Opt.h"
#include "ace/OS_NS_unistd.h"
#include <iostream>
const ACE_TCHAR *persistence_file = ACE_TEXT("test.dat");
int num_loops = 1;
int sleep_msecs = 100;
int write_index = 0;
bool use_backup = false;
int
parse_args (int argc, ACE_TCHAR *argv[])
{
ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("n:s:i:b"));
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'n':
num_loops = ACE_OS::atoi (get_opts.opt_arg ());
break;
case 's':
sleep_msecs = ACE_OS::atoi (get_opts.opt_arg ());
break;
case 'i':
write_index = ACE_OS::atoi (get_opts.opt_arg ());
break;
case 'b':
use_backup = true;
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT("usage: %s ")
ACE_TEXT("-n <number-of-loops> ")
ACE_TEXT("-s <milliseconds-to-sleep-in-loop> ")
ACE_TEXT("-i <index-used-for-writing> ")
ACE_TEXT("-b (use backup) ")
ACE_TEXT("\n"),
argv [0]),
-1);
}
if (write_index != 0 && write_index != 1)
{
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT("Error: Value passed to -i should be ")
ACE_TEXT("0 or 1.")),
-1);
}
// Indicates successful parsing of the command line
return 0;
}
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
int exit_status = 0;
if (parse_args (argc, argv) != 0)
return 1;
int read_index = write_index ? 0 : 1;
TAO::Storable_Base::use_backup_default = use_backup;
TAO::Storable_FlatFileFactory factory ("./");
ACE_CString str_write_value = "test_string";
int int_write_value = -100;
unsigned int unsigned_int_write_value = 100;
const int bytes_size = 8;
char bytes_write_value[bytes_size];
char bytes_read[bytes_size];
// Set 1st byte to 32 (ASCII space) to
// make sure fscanf doesn't consume it
// when reading the size.
bytes_write_value[0] = 32;
for (int i = 1; i < bytes_size; ++i)
{
bytes_write_value[i] = i;
}
try
{
for (int j = 0; j < num_loops; ++j)
{
// Constructor called num_loops times.
// Each time state read from persistent store.
Savable savable(factory);
// If the file was read, verify what was
// written from other process is correct.
if (savable.is_loaded_from_stream ())
{
int int_read = savable.int_get(read_index);
// If value read is not 0 then the other
// process have written to persistent store.
// If not, it's too soon test.
if (int_read != 0)
{
ACE_ASSERT (int_read == int_write_value);
const ACE_CString & str_read = savable.string_get(read_index);
ACE_ASSERT (str_read == str_write_value);
unsigned int unsigned_int_read = savable.unsigned_int_get (read_index);
ACE_ASSERT (unsigned_int_read == unsigned_int_write_value);
int bytes_read_size = savable.bytes_get (read_index, bytes_read);
ACE_ASSERT (bytes_read_size == bytes_size);
for (int k = 0; k < bytes_size; ++k)
{
ACE_ASSERT (bytes_read[k] == bytes_write_value[k]);
}
}
}
ACE_Time_Value sleep_time (0, 1000*sleep_msecs);
// Write out state
savable.string_set(write_index, str_write_value);
savable.int_set(write_index, int_write_value);
savable.unsigned_int_set(write_index, unsigned_int_write_value);
savable.bytes_set(write_index, bytes_size, bytes_write_value);
ACE_OS::sleep (sleep_time);
int bytes_size = savable.bytes_get (write_index, bytes_read);
for (int k = 0; k < bytes_size; ++k)
{
ACE_ASSERT (bytes_read[k] == bytes_write_value[k]);
}
}
}
catch (Savable_Exception &)
{
std::cout << "Savable_Exception thrown" << std::endl;
exit_status = 1;
}
catch (TAO::Storable_Read_Exception &ex)
{
std::cout << "TAO::Storable_Read_Exception thrown with state " <<
ex.get_state () << std::endl;
exit_status = 1;
}
catch (TAO::Storable_Write_Exception &ex)
{
std::cout << "TAO::Storable_Write_Exception thrown with state " <<
ex.get_state () << std::endl;
exit_status = 1;
}
return exit_status;
}
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