Sending TDSP Options Parcel Using APH Defined Extension Elements
/*Copyright 2006, by Teradata Corporation. All rights reserved. */
/* Teradata PROPRIETARY AND CONFIDENTIAL-RESTRICTED */
/* Creates a Stored procedure using dbcarea extension pointers */
/* This program demonstrates use of DBCAREA extension elements */
/* (D8XIELEM and D8XIEP) defined for APH implementation in */
/* CLI, to send MultiTSR parcels in Parcel mode */
/* Both 32-bit as well as 64-bit executables can be */
/* generated */
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<coptypes.h>
#include<coperr.h>
#include<parcel.h>
#include <dbcarea.h>
#include <dbchqep.h>
DBCAREA dbcarea;
Int16 exitout(int n1);
Int16 dbc_con();
Int16 dbc_init();
Int16 dbc_irq(char *);
Int16 dbc_erq();
void set_options();
void act_count(Word );
Int16 fetch_request(long ,long);
void Setdbcareax();
unsigned int GetSegmentSize();
#define CONNECTED 0
#define NOT_CONNECTED 1
#define OK 0
#define STOP 1
#define FAILED -1
#define MAX_SESSIONS 1
#define D8CAIRXSIZ 24
#define FIXED_ELM_LEN_8 42
#define D8XILMNTSIZE 4 /* sizeof (D8XIELEM) */
#define SPOPTIONSSIZE 2
#define D8XIEPSIZE 38 /* sizeof(D8XIEP) */
char logon_str[] = "nag2n1/clitst,clitst";
char *logonstr=logon_str;
Int32 result;
char cnta[4];
struct ERROR_FAIL_Type {
Word StatementNo;
Word Info;
Word Code;
Word Length;
char Msg[255];
} *Error_Fail;
write_error(parcel)
char *parcel;
{ int i;
Error_Fail = ((struct ERROR_FAIL_Type *) (parcel));
printf("%d : ",Error_Fail->Code);
for(i=0;i < (int)Error_Fail->Length;i++)
printf("%c",Error_Fail->Msg[i]);
printf("\n");
return(0);
}
/******************************************************************
* function to initialize dbcarea *
******************************************************************/
Int16 dbc_init()
{
dbcarea.total_len = sizeof(struct DBCAREA);
DBCHINI(&result,cnta,&dbcarea);
if (result != EM_OK){
printf("\nError in initialization --%s",dbcarea.msg_text);
exitout(1);
}
return EM_OK;
}
/********************************************************************
* function to logon *
********************************************************************/
Int16 dbc_con()
{
printf("Logging on to :%s",logonstr);
dbcarea.logon_len=strlen(logonstr);
dbcarea.logon_ptr=logonstr;
dbcarea.func=DBFCON;
DBCHCL(&result,cnta,&dbcarea);
if (result != EM_OK)
{
printf("\nError in Logon--%s\n",dbcarea.msg_text);
exitout(1);
}
return EM_OK;
}
/*********************************************************************
* function to initiate request *
*********************************************************************/
Int16 dbc_irq(char *str)
{
dbcarea.func = DBFIRQ;
printf("\nSubmitting request :%s",str);
dbcarea.req_ptr = str;
dbcarea.req_len = strlen(str);
DBCHCL(&result,cnta,&dbcarea);
if (result != EM_OK){
printf("Error in Initiating a request--%s",dbcarea.msg_text);
exitout(1);
}
return EM_OK;
}
/*******************************************************************
* function to fetch parcels and check activity type *
*******************************************************************/
Int16 fetch_request(request,session)
long request,session;
{
int count,i,status,rowcount;
int ShowFlag=0;
char ctc[6400];
struct CliSuccessType *SuccPcl;
struct CliOkType *OKPcl;
dbcarea.i_sess_id=session;
dbcarea.i_req_id=request;
dbcarea.func = DBFFET;
status=OK;
printf("\n");
rowcount=1;
while (status == OK){
DBCHCL(&result,cnta,&dbcarea);
count=1;
if (result == REQEXHAUST) status = STOP;
else if (result != EM_OK) status = FAILED;
else {
printf("Flavor Type : %d\n",dbcarea.fet_parcel_flavor);
switch (dbcarea.fet_parcel_flavor){
case PclSUCCESS :
SuccPcl = (struct CliSuccessType *) dbcarea.fet_data_ptr;
printf("Activity Type : %d\n",SuccPcl->ActivityType);
printf("Activity Count: %d\n",SuccPcl->ActivityCount);
act_count(SuccPcl->ActivityType);
break;
case PclOK :
printf("\nOK Parcel\n");
OKPcl = (struct CliOkType *) dbcarea.fet_data_ptr;
printf("Activity type : %d\n",OKPcl->ActivityType);
printf("Activity Count : %d\n",OKPcl->ActivityCount);
act_count(OKPcl->ActivityType);
if (OKPcl->ActivityType==49)
ShowFlag=1;
else
ShowFlag=0;
break;
case PclFIELD :
for (i=0;i<dbcarea.fet_ret_data_len;i++){
if ((ShowFlag==0) ||
((rowcount>2) && (dbcarea.fet_data_ptr[i] != ' ')))
printf("%c",dbcarea.fet_data_ptr[i]);
else
count++;
if ((count <8) && (dbcarea.fet_data_ptr[i]==' ')
&& ((ShowFlag ==1) ))
if ((rowcount != 4) && (count !=2))
printf("%c",dbcarea.fet_data_ptr[i]);
}
if((ShowFlag==0) || ((ShowFlag == 1) && (rowcount>5)))
printf("\n");
rowcount++;
break;
case PclRECORD : /*Returned data */
printf( " %s\n",dbcarea.fet_data_ptr);
printf( "parcel length %d\n",(Int32)dbcarea.fet_ret_data_len);
memcpy(&ctc[0],&dbcarea.fet_data_ptr[0],1);
memcpy(&ctc[1],&dbcarea.fet_data_ptr[1],1);
memcpy(&ctc[2],&dbcarea.fet_data_ptr[2],1);
printf("first two bytes -%s\n",ctc);
printf("first two bytes -%d\n",atoi(ctc));
break;
case PclENDSTATEMENT:
break;
case PclENDREQUEST :
break;
case PclFAILURE :
printf("failure parcel PCLFAILURE\n,length %d \n",
(Int32)dbcarea.fet_ret_data_len); /*Failure parcel*/
break;
case PclERROR :
printf("PCLERROR"); /*Error parcel */
status = STOP;
write_error(dbcarea.fet_data_ptr);
exitout(CONNECTED);
break;
} /*end of switch*/
} /*end of else*/
} /*end of while*/
if(status == FAILED)
{ printf("fetch failed -- %s\n",dbcarea.msg_text);
exitout(CONNECTED);
} /*if*/
printf("\n");
return EM_OK;
}
Int16 dbc_erq()
{
dbcarea.i_sess_id = dbcarea.o_sess_id;
dbcarea.i_req_id = dbcarea.o_req_id;
dbcarea.func = DBFERQ;
DBCHCL(&result,cnta,&dbcarea);
if (result != EM_OK){
printf("Error in EndRequest--%s\n",dbcarea.msg_text);
exitout(1);
}
return EM_OK;
}
/*********************************************************************
* function to disconnect *
*********************************************************************/
Int16 exitout(int n)
{
dbcarea.func = DBFDSC;
DBCHCL(&result,cnta,&dbcarea);
DBCHCLN(&result,cnta);
printf("\nExiting--%s",dbcarea.msg_text);
exit(n);
return(n);
}
/*********************************************************************
* function to set options *
*********************************************************************/
void set_options()
{
dbcarea.change_opts = 'Y';
dbcarea.resp_mode = 'F';
dbcarea.use_presence_bits = 'N';
dbcarea.keep_resp = 'N';
dbcarea.wait_across_delay = 'N';
dbcarea.tell_about_delay = 'Y';
dbcarea.loc_mode = 'Y';
dbcarea.var_len_req = 'N';
dbcarea.var_len_fetch = 'N';
dbcarea.save_resp_buf = 'N';
dbcarea.two_resp_bufs = 'N';
dbcarea.ret_time = 'N';
dbcarea.parcel_mode='Y';
dbcarea.wait_for_resp = 'Y';
dbcarea.req_proc_opt = 'E';
dbcarea.req_buf_len = 1024;
dbcarea.resp_buf_len = 1024;
}
void act_count(Word Activitytype)
{
switch(Activitytype){
case PclDropProcStmt :
printf("Procedure has been dropped\n");
break;
case PclRenProcStmt :
printf("Procedure has been Renamed\n");
break;
case PclCallStmt :
printf("Procedure has been Executed\n");
break;
case PclCreateProcStmt:
printf("Procedure has been Created\n");
break;
case PclShowStmt :
printf("Show Procedure Successful\n\n");
break;
default :
break;
}
return;
}
/********************************************************************
* Function : GetSegmentSize *
* Purpose : Gets maximum segment size from server *
********************************************************************/
unsigned int GetSegmentSize()
{
DBCHQEP QEPParms ;
unsigned int MaxSegSize;
memset( &QEPParms, 0, sizeof( QEPParms ) );
QEPParms.qepLevel = QEPLEVEL;
QEPParms.qepItem = QEPIDMSS ;
QEPParms.qepRALen = sizeof( long );
QEPParms.qepRArea = &MaxSegSize;
QEPParms.qepTDP = ( long ) ( "nag2n1" );
QEPParms.qepTLen = strlen("nag2n1");
DBCHQE( &result, cnta, &QEPParms );
MaxSegSize = *(unsigned int *) QEPParms.qepRArea;
printf(" MaxSegSize :%d", MaxSegSize);
return(MaxSegSize);
}
/*********************************************************************
* Function : Setdbcareax *
* Purpose : Uses the Extension pointer to send MultiTSR parcels*
**********************************************************************/
void Setdbcareax()
{
D8CAIRX *pExtArea;
D8XIEP *pElem;
D8XIELEM *pElem_Typ_and_Len;
void* memptr;
char * s ="PY";
dbcarea.dbriSeg='L';
dbcarea.extension_pointer = malloc ( sizeof( D8CAIRX ) + sizeof (D8XIELEM) + sizeof(D8XIEP));
pExtArea = (D8CAIRX *)dbcarea.extension_pointer;
memset( pExtArea, 0, sizeof( D8CAIRX ) +
( sizeof (D8XIELEM) + sizeof(D8XIEP) ));
pExtArea->d8xiId[0] = 'I';
pExtArea->d8xiId[1] = 'R';
pExtArea->d8xiId[2] = 'X';
pExtArea->d8xiId[3] = '8';
pExtArea->d8xiSize = sizeof( D8CAIRX ) + sizeof (D8XIELEM) + sizeof(D8XIEP);
pExtArea->d8xiLvl = 1;
/* next the data parcel */
memptr = (char *)(pExtArea + 1);
pElem_Typ_and_Len = (D8XIELEM *)memptr;
pElem_Typ_and_Len->d8xieLen = D8XILMNTSIZE + D8XIEPSIZE;
pElem_Typ_and_Len->d8xieTyp = 0;
memptr = (char*)memptr + D8XILMNTSIZE;
pElem = (D8XIEP *)memptr;
pElem->d8xiepF = PclSPOPTIONSTYPE; /* Flavor */
pElem->d8xiepLn = 2;
pElem->d8xiepPt = s;
}
/*************************************************************
* main *
************************************************************/
main()
{
unsigned int MaxSegSize;
char str1[] = "replace procedure tmp(IN p1 integer,IN p2 integer, OUT p3 integer)\n begin\n set p3=p1*p2;\n end;\n";
char str2[] = "CALL tmp(2,3,p3);";
char str3[] = "RENAME PROCEDURE tmp TO tmp1;";
char str4[] = "SHOW PROCEDURE tmp1;";
char str5[] = "HELP PROCEDURE tmp1 attributes;";
char str6[] = "HELP 'spl WHILE' ;";
char str7[] = "DROP PROCEDURE tmp1;";
dbc_init();
set_options();
dbc_con();
fetch_request(dbcarea.o_req_id,dbcarea.o_sess_id);
dbc_erq();
MaxSegSize=GetSegmentSize();
Setdbcareax();
dbcarea.dbriSeg = 'L';
dbc_irq(str1);
fetch_request(dbcarea.o_req_id,dbcarea.o_sess_id);
dbc_erq();
dbcarea.extension_pointer=NULL;
dbcarea.dbriSeg='N';
dbc_irq(str2);
fetch_request(dbcarea.o_req_id,dbcarea.o_sess_id);
dbc_erq();
dbc_irq(str3);
fetch_request(dbcarea.o_req_id,dbcarea.o_sess_id);
dbc_erq();
dbc_irq(str4);
fetch_request(dbcarea.o_req_id,dbcarea.o_sess_id);
dbc_erq();
dbc_irq(str5);
fetch_request(dbcarea.o_req_id,dbcarea.o_sess_id);
dbc_erq();
dbc_irq(str6);
fetch_request(dbcarea.o_req_id,dbcarea.o_sess_id);
dbc_erq();
dbc_irq(str7);
fetch_request(dbcarea.o_req_id,dbcarea.o_sess_id);
dbc_erq();
exitout(0);
}