db-client.cpp

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// $Id: db-client.cpp 81983 2008-06-16 17:53:25Z sowayaa $

#include "ace/TLI_Connector.h"
#include "ace/Log_Msg.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_stdlib.h"
#include "ace/OS_NS_string.h"

ACE_RCSID(TLI_SAP, db_client, "$Id: db-client.cpp 81983 2008-06-16 17:53:25Z sowayaa $")

#if defined (ACE_HAS_TLI)
const int MAXLINE = 255;

int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  if (argc < 2)
    ACE_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT ("Usage: %s employee_id [server-host port-number]\n"),
                       argv[0]),
                      -1);

  const ACE_TCHAR *emp_num = argv[1];
  const ACE_TCHAR *host_name = argc < 3 ? ACE_DEFAULT_SERVER_HOST : argv[2];
  unsigned short port = argc < 4 ? ACE_DEFAULT_SERVER_PORT : ACE_OS::atoi (argv[3]);
  int n;
  char buf[MAXLINE];

  ACE_TLI_Stream client;
  ACE_TLI_Connector con;

  if (con.connect (client, ACE_INET_Addr (port, host_name)) == -1)
    ACE_OS::t_error ((char *) host_name), ACE_OS::exit (1);

  ACE_OS::strcpy (buf, ACE_TEXT_ALWAYS_CHAR (emp_num));
  n = ACE_OS::strlen (buf);

  if (client.send_n (buf, n) != n)
    ACE_OS::t_error ("client.send error");

  if (client.recv (buf, MAXLINE) == -1 && t_errno != TLOOK && client.look () != T_DISCONNECT)
    ACE_OS::t_error ("client.recv error");

  if (ACE_OS::strcmp (buf, "ERROR") == 0)
    ACE_OS::printf ("Employee ID %s not in database\n", emp_num);
  else
    ACE_OS::printf ("Employee name requested is: %s\n", buf);

  if (client.close () == -1)
    ACE_OS::t_error ("cli_close"), ACE_OS::exit (1);

  return 0;
}
#else
int ACE_TMAIN (int, ACE_TCHAR *[])
{
  ACE_ERROR_RETURN ((LM_ERROR,
                     "your platform isn't configured to support TLI\n"),
                    1);
}
#endif /* ACE_HAS_TLI */