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//=============================================================================
/**
* @file client.cpp
*
* A client program for the File IDL module
*
* @author Irfan Pyarali
*/
//=============================================================================
#include "FileC.h"
#include "tao/debug.h"
#include "ace/streams.h"
#include "ace/Get_Opt.h"
#include "ace/Read_Buffer.h"
#include "ace/SString.h"
#include "ace/OS_NS_fcntl.h"
#include "ace/OS_NS_unistd.h"
static const ACE_TCHAR *iorfile = 0;
static const ACE_TCHAR *filename = ACE_TEXT ("test");
static const ACE_TCHAR *message = ACE_TEXT ("POA rules!!");
static int
parse_args (int argc, ACE_TCHAR *argv[])
{
ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("dk:f:m:"));
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd':
++TAO_debug_level;
break;
case 'k':
iorfile = get_opts.opt_arg ();
break;
case 'f':
filename = get_opts.opt_arg ();
break;
case 'm':
message = get_opts.opt_arg ();
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
"[-k <iorfile>]"
"[-f <filename>]"
"[-m <message>]"
"\n",
argv [0]),
-1);
}
if (iorfile == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Please specify the IOR for the servant"), -1);
// Indicates successful parsing of command line.
return 0;
}
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
try
{
// Initialize the ORB
CORBA::ORB_var orb = CORBA::ORB_init (argc, argv);
// Parse the command-line arguments to get the IOR
parse_args (argc, argv);
// parse args should catch this, but just in case...
if (iorfile == 0)
return 0;
// Read the file, and get the IOR
ACE_HANDLE input_file = ACE_OS::open (iorfile, 0);
if (input_file == ACE_INVALID_HANDLE)
ACE_ERROR_RETURN ((LM_ERROR,
"Cannot open input file %s for reading IOR\n",
iorfile),
-1);
ACE_Read_Buffer ior_buffer (input_file);
char *data = ior_buffer.read ();
if (data == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to read ior\n"),
-1);
ACE_CString ior = data;
ior_buffer.alloc ()->free (data);
ACE_OS::close (input_file);
CORBA::Object_var object = orb->string_to_object (ior.c_str ());
// Narrow the object reference to a File::System
File::System_var file_system = File::System::_narrow (object.in ());
// Creat the file filename i.e "test"
File::Descriptor_var fd = file_system->open (ACE_TEXT_ALWAYS_CHAR (filename),
O_CREAT | O_RDWR);
int message_length = ACE_OS::strlen (message) + 1;
CORBA::Octet *buffer = File::Descriptor::DataBuffer::allocbuf (message_length);
ACE_OS::strcpy ((char *) buffer, ACE_TEXT_ALWAYS_CHAR (message));
File::Descriptor::DataBuffer data_sent (message_length, message_length, buffer, 1);
// write the message to the file
fd->write (data_sent);
// seek to the beginning of the file
fd->lseek (0, SEEK_SET);
// Read back the written message
File::Descriptor::DataBuffer_var data_received = fd->read (message_length);
char *result = (char *) &data_received[0];
// print the read message
ACE_DEBUG((LM_DEBUG, "%C\n",
result));
// close the file
fd->destroy ();
file_system->shutdown ();
orb->destroy ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Exception caught in main");
return -1;
}
return 0;
}
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