/****************************************************************************
** (c) Copyright IBM Corp. 2007 All rights reserved.
**
** The following sample of source code ("Sample") is owned by International
** Business Machines Corporation or one of its subsidiaries ("IBM") and is
** copyrighted and licensed, not sold. You may use, copy, modify, and
** distribute the Sample in any form without payment to IBM, for the purpose of
** assisting you in the development of your applications.
**
** The Sample code is provided to you on an "AS IS" basis, without warranty of
** any kind. IBM HEREBY EXPRESSLY DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR
** IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do
** not allow for the exclusion or limitation of implied warranties, so the above
** limitations or exclusions may not apply to you. IBM shall not be liable for
** any damages you suffer as a result of using, copying, modifying or
** distributing the Sample, even if IBM has been advised of the possibility of
** such damages.
*****************************************************************************
**
** SOURCE FILE NAME: ininfo.c
**
** SAMPLE: How to get information at the instance level
**
** CLI FUNCTIONS USED:
** SQLDataSources -- Get List of Data Sources
** SQLGetFunctions -- Get Functions
** SQLGetInfo -- Get General Information
**
**
*****************************************************************************
**
** For more information on the sample programs, see the README file.
**
** For information on developing CLI applications, see the CLI Guide
** and Reference.
**
** For information on using SQL statements, see the SQL Reference.
**
** For the latest information on programming, building, and running DB2
** applications, visit the DB2 Information Center:
** http://publib.boulder.ibm.com/infocenter/db2luw/v9r7/index.jsp
****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sqlcli1.h>
#include "utilcli.h" /* Header file for CLI sample code */
int CurrentClientInstanceNameGet(SQLHANDLE);
int DatabaseDirectoryOfCurrentClientInstanceGet(SQLHANDLE);
int main(int argc, char *argv[])
{
SQLRETURN cliRC = SQL_SUCCESS;
int rc = 0;
SQLHANDLE henv; /* environment handle */
SQLHANDLE hdbc; /* connection handle */
char dbAlias[SQL_MAX_DSN_LENGTH + 1];
char user[MAX_UID_LENGTH + 1];
char pswd[MAX_PWD_LENGTH + 1];
/* check the command line arguments */
rc = CmdLineArgsCheck1(argc, argv, dbAlias, user, pswd);
if (rc != 0)
{
return rc;
}
printf("\nHOW TO GET INFORMATION AT THE INSTANCE LEVEL.\n");
/* initialize the CLI application by calling a helper
utility function defined in utilcli.c */
rc = CLIAppInit(dbAlias,
user,
pswd,
&henv,
&hdbc,
(SQLPOINTER)SQL_AUTOCOMMIT_ON);
if (rc != 0)
{
return rc;
}
/* get the name of the current client instance */
rc = CurrentClientInstanceNameGet(hdbc);
/* get the name and comment of each cataloged database */
rc = DatabaseDirectoryOfCurrentClientInstanceGet(henv);
/* initialize the CLI application by calling a helper
utility function defined in utilcli.c */
rc = CLIAppTerm(&henv, &hdbc, dbAlias);
return rc;
} /* main */
/* get the name of the current client instance using SQLGetInfo */
int CurrentClientInstanceNameGet(SQLHANDLE hdbc)
{
SQLRETURN cliRC = SQL_SUCCESS;
int rc = 0;
SQLUSMALLINT supported; /* to check if SQLGetInfo is supported */
SQLCHAR instInfoBuf[255]; /* buffer for instance info */
SQLSMALLINT outlen;
printf("\n-----------------------------------------------------------");
printf("\nUSE THE CLI FUNCTIONS\n");
printf(" SQLGetFunctions\n");
printf(" SQLGetInfo\n");
printf("TO GET:\n");
/* check to see if SQLGetInfo is supported */
cliRC = SQLGetFunctions(hdbc, SQL_API_SQLGETINFO, &supported);
DBC_HANDLE_CHECK(hdbc, cliRC);
if (supported == SQL_TRUE)
{
/* get client name information */
cliRC = SQLGetInfo(hdbc, SQL_SERVER_NAME, instInfoBuf, 255, &outlen);
DBC_HANDLE_CHECK(hdbc, cliRC);
printf("\n Current Client Instance Name: %s\n", instInfoBuf);
}
else
printf("\n SQLGetInfo is not supported!\n");
return 0;
} /* CurrentClientInstanceNameGet */
/* get the name and comment of each database cataloged
in the current client instance */
int DatabaseDirectoryOfCurrentClientInstanceGet(SQLHANDLE henv)
{
SQLRETURN cliRC = SQL_SUCCESS;
int rc = 0;
SQLCHAR dbAliasBuf[SQL_MAX_DSN_LENGTH + 1];
SQLCHAR dbCommentBuf[255];
SQLSMALLINT aliasLen, commentLen;
printf("\n-----------------------------------------------------------");
printf("\nUSE THE CLI FUNCTION\n");
printf(" SQLDataSources\n");
printf("TO GET:\n");
/* list the available data sources */
printf("\n The alias name and the comment\n");
printf(" for every database cataloged \n");
printf(" in the database directory \n");
printf(" of the current client instance:\n\n");
printf(" ALIAS NAME Comment(Description)\n");
printf(" ------------------ ---------------------------------\n");
/* get list of data sources */
cliRC = SQLDataSources(henv,
SQL_FETCH_FIRST,
dbAliasBuf,
SQL_MAX_DSN_LENGTH + 1,
&aliasLen,
dbCommentBuf,
255,
&commentLen);
ENV_HANDLE_CHECK(henv, cliRC);
while (cliRC != SQL_NO_DATA_FOUND)
{
printf(" %-17s %s\n", dbAliasBuf, dbCommentBuf);
/* get list of data sources */
cliRC = SQLDataSources(henv,
SQL_FETCH_NEXT,
dbAliasBuf,
SQL_MAX_DSN_LENGTH + 1,
&aliasLen,
dbCommentBuf,
255,
&commentLen);
ENV_HANDLE_CHECK(henv, cliRC);
}
return 0;
} /* DatabaseDirectoryOfCurrentClientInstanceGet */