/**************************************************************************** ** (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: dbinfo.c ** ** SAMPLE: Set and get information at the database level ** ** DB2 API USED: ** db2CfgGet -- Get Configuration ** db2CfgSet -- Set Configuration ** STRUCTURES USED: ** sqlca ** ** ***************************************************************************** ** ** For more information on the sample programs, see the README file. ** ** For information on developing embedded SQL applications see the Developing Embedded SQL Applications book. ** ** For information on using SQL statements, see the SQL Reference. ** ** For information on DB2 APIs, see the Administrative API 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 <stdlib.h> #include <string.h> #include <sqlutil.h> #include <sqlenv.h> #include <db2ApiDf.h> #include "utilapi.h" int LocalOrRemoteDbConfigSetGet(char *); int LocalOrRemoteDbConfigDefaultsSetGet(char *); /* support functions */ int LocalOrRemoteDbConfigSave(db2Cfg); int LocalOrRemoteDbConfigRestore(db2Cfg); int main(int argc, char *argv[]) { int rc = 0; char dbAlias[SQL_ALIAS_SZ + 1]; char nodeName[SQL_INSTNAME_SZ + 1]; char user[USERID_SZ + 1]; char pswd[PSWD_SZ + 1]; db2CfgParam cfgParameters[2]; /* to save the DB Config. */ db2Cfg cfgStruct; /* check the command line arguments */ rc = CmdLineArgsCheck3(argc, argv, dbAlias, nodeName, user, pswd); if (rc != 0) { return rc; } printf("\nTHIS SAMPLE SHOWS HOW TO SET/GET INFO AT DATABASE LEVEL.\n"); /* attach to a local or remote instance */ rc = InstanceAttach(nodeName, user, pswd); if (rc != 0) { return rc; } /* initialize cfgStruct */ cfgStruct.numItems = 2; cfgStruct.paramArray = cfgParameters; cfgStruct.flags = db2CfgDatabase | db2CfgDelayed; cfgStruct.dbname = dbAlias; /* save DB. Config. */ rc = LocalOrRemoteDbConfigSave(cfgStruct); if (rc != 0) { return rc; } /* work with DB. Config. */ rc = LocalOrRemoteDbConfigSetGet(dbAlias); rc = LocalOrRemoteDbConfigDefaultsSetGet(dbAlias); /* restore DB Config. */ rc = LocalOrRemoteDbConfigRestore(cfgStruct); /* detach from the local or remote instance */ rc = InstanceDetach(nodeName); if (rc != 0) { return rc; } return 0; } /* end main */ int LocalOrRemoteDbConfigSave(db2Cfg cfgStruct) { struct sqlca sqlca; /* initialize paramArray */ cfgStruct.paramArray[0].flags = 0; cfgStruct.paramArray[0].token = SQLF_DBTN_TSM_OWNER; cfgStruct.paramArray[0].ptrvalue = (char *)malloc(sizeof(char) * 65); cfgStruct.paramArray[1].flags = 0; cfgStruct.paramArray[1].token = SQLF_DBTN_MAXAPPLS; cfgStruct.paramArray[1].ptrvalue = (char *)malloc(sizeof(sqluint16)); printf("\n**** SAVE DB CONFIG. FOR: %s ****\n", cfgStruct.dbname); /* get database configuration */ db2CfgGet(db2Version970, (void *)&cfgStruct, &sqlca); DB2_API_CHECK("DB Config. -- Save"); return 0; } /* LocalOrRemoteDbConfigSave */ int LocalOrRemoteDbConfigRestore(db2Cfg cfgStruct) { struct sqlca sqlca; printf("\n*** RESTORE DB CONFIG. FOR: %s ***\n", cfgStruct.dbname); /* update database configuration */ db2CfgSet(db2Version970, (void *)&cfgStruct, &sqlca); DB2_API_CHECK("DB Config. -- Restore"); free(cfgStruct.paramArray[0].ptrvalue); free(cfgStruct.paramArray[1].ptrvalue); return 0; } /* LocalOrRemoteDbConfigRestore */ int LocalOrRemoteDbConfigSetGet(char *dbAlias) { struct sqlca sqlca; db2CfgParam cfgParameters[2]; db2Cfg cfgStruct; printf("\n-----------------------------------------------------------"); printf("\nUSE THE DB2 APIs:\n"); printf(" db2CfgGet -- GET CONFIGURATION\n"); printf(" db2CfgSet -- SET CONFIGURATION\n"); printf("TO SET/GET DATABASE CONFIGURATION PARAMETERS:\n"); /* initialize cfgParameters */ cfgParameters[0].flags = 0; cfgParameters[0].token = SQLF_DBTN_TSM_OWNER; cfgParameters[0].ptrvalue = (char *)malloc(sizeof(char) * 65); cfgParameters[1].flags = 0; cfgParameters[1].token = SQLF_DBTN_MAXAPPLS; cfgParameters[1].ptrvalue = (char *)malloc(sizeof(sqluint16)); /* set two DB Config. fields */ strcpy(cfgParameters[0].ptrvalue, "tsm_owner"); *(sqluint16 *)(cfgParameters[1].ptrvalue) = 50; printf("\n Set the DB Config. fields for the \"%s\" database:\n", dbAlias); printf(" TSM owner = %s\n", cfgParameters[0].ptrvalue); printf(" maxappls = %u\n", *(sqluint16 *)(cfgParameters[1].ptrvalue)); /* initialize cfgStruct */ cfgStruct.numItems = 2; cfgStruct.paramArray = cfgParameters; cfgStruct.flags = db2CfgDatabase | db2CfgDelayed; cfgStruct.dbname = dbAlias; /* set database configuration */ db2CfgSet(db2Version970, (void *)&cfgStruct, &sqlca); DB2_API_CHECK("DB Config. -- Set"); /* get two DB Configuration parameters */ strcpy(cfgParameters[0].ptrvalue, ""); *(sqluint16 *)(cfgParameters[1].ptrvalue) = 0; printf(" Get two DB Config. fields for the \"%s\" database:\n", dbAlias); /* get database configuration */ db2CfgGet(db2Version970, (void *)&cfgStruct, &sqlca); DB2_API_CHECK("DB Config. -- Get"); printf(" TSM owner = %s\n", cfgParameters[0].ptrvalue); printf(" maxappls = %u\n", *(sqluint16 *)(cfgParameters[1].ptrvalue)); /* free the memory allocated */ free(cfgParameters[0].ptrvalue); free(cfgParameters[1].ptrvalue); return 0; } /* LocalOrRemoteDbConfigSetGet */ int LocalOrRemoteDbConfigDefaultsSetGet(char *dbAlias) { struct sqlca sqlca; db2CfgParam cfgParameters[2]; db2Cfg cfgStruct; printf("\n-----------------------------------------------------------"); printf("\nUSE THE DB2 APIs:\n"); printf(" db2CfgSet -- SET CONFIGURATION\n"); printf(" db2CfgGet -- GET CONFIGURATION\n"); printf("TO SET/GET DATABASE CONFIGURATION DEFAULTS:\n"); /* initialize cfgParameters */ cfgParameters[0].flags = 0; cfgParameters[0].token = SQLF_DBTN_TSM_OWNER; cfgParameters[0].ptrvalue = (char *)malloc(sizeof(char) * 65); cfgParameters[1].flags = 0; cfgParameters[1].token = SQLF_DBTN_MAXAPPLS; cfgParameters[1].ptrvalue = (char *)malloc(sizeof(sqluint16)); /* set all DB Config. defaults */ printf("\n Set all database configuration defaults"); printf(" for the \"%s\" database.\n", dbAlias); /* set cfgStruct */ cfgStruct.numItems = 0; cfgStruct.paramArray = NULL; cfgStruct.flags = db2CfgDatabase | db2CfgReset | db2CfgDelayed; cfgStruct.dbname = dbAlias; /* reset database configuration */ db2CfgSet(db2Version970, (void *)&cfgStruct, &sqlca); DB2_API_CHECK("DB Config. defaults -- Set"); /* get two DB Configuration defaults */ strcpy(cfgParameters[0].ptrvalue, ""); *(sqluint16 *)(cfgParameters[1].ptrvalue) = 0; printf(" Get two database configuration defaults"); printf(" for the \"%s\" database:\n", dbAlias); /* set cfgStruct */ cfgStruct.numItems = 2; cfgStruct.paramArray = cfgParameters; cfgStruct.flags = db2CfgDatabase | db2CfgGetDefaults; cfgStruct.dbname = dbAlias; /* get database configuration defaults */ db2CfgGet(db2Version970, (void *)&cfgStruct, &sqlca); DB2_API_CHECK("DB Config. Defaults -- Get"); printf(" TSM owner = %s\n", cfgParameters[0].ptrvalue); printf(" maxappls = %u\n", *(sqluint16 *)(cfgParameters[1].ptrvalue)); /* free the memory allocated */ free(cfgParameters[0].ptrvalue); free(cfgParameters[1].ptrvalue); return 0; } /* LocalOrRemoteDbConfigDefaultsSetGet */