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epics-base/src/db/dbCaTest.c

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/*************************************************************************\
* Copyright (c) 2008 UChicago Argonne LLC, as Operator of Argonne
* National Laboratory.
* Copyright (c) 2002 The Regents of the University of California, as
* Operator of Los Alamos National Laboratory.
* EPICS BASE is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
\*************************************************************************/
/* dbCaTest.c */
/****************************************************************
*
* Author: Marty Kraimer
* Date: 10APR96
*
****************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "dbStaticLib.h"
#include "epicsStdioRedirect.h"
#include "link.h"
/*definitions needed because of old vs new database access*/
#undef DBR_SHORT
#undef DBR_PUT_ACKT
#undef DBR_PUT_ACKS
#undef VALID_DB_REQ
#undef INVALID_DB_REQ
/*end of conflicting definitions*/
#include "cadef.h"
#include "db_access.h"
#include "dbDefs.h"
#include "epicsPrint.h"
#include "dbCommon.h"
#include "epicsEvent.h"
/*define DB_CONVERT_GBLSOURCE because db_access.c does not include db_access.h*/
#define DB_CONVERT_GBLSOURCE
#define epicsExportSharedSymbols
#include "dbLock.h"
#include "db_access_routines.h"
#include "db_convert.h"
#include "dbCa.h"
#include "dbCaPvt.h"
#include "dbCaTest.h"
long dbcar(char *precordname, int level)
{
DBENTRY dbentry;
DBENTRY *pdbentry=&dbentry;
long status;
dbCommon *precord;
dbRecordType *pdbRecordType;
dbFldDes *pdbFldDes;
DBLINK *plink;
int ncalinks=0;
int nconnected=0;
int noReadAccess=0;
int noWriteAccess=0;
unsigned long nDisconnect=0;
unsigned long nNoWrite=0;
caLink *pca;
int j;
if (!precordname || precordname[0] == '\0' || !strcmp(precordname, "*")) {
precordname = NULL;
printf("CA links in all records\n\n");
} else {
printf("CA links in record named '%s'\n\n", precordname);
}
dbInitEntry(pdbbase,pdbentry);
status = dbFirstRecordType(pdbentry);
while (!status) {
status = dbFirstRecord(pdbentry);
while (!status) {
if (!precordname
|| (strcmp(precordname,dbGetRecordName(pdbentry)) ==0)) {
pdbRecordType = pdbentry->precordType;
precord = (dbCommon *)pdbentry->precnode->precord;
for (j=0; j<pdbRecordType->no_links; j++) {
pdbFldDes = pdbRecordType->papFldDes[pdbRecordType->link_ind[j]];
plink = (DBLINK *)((char *)precord + pdbFldDes->offset);
dbLockSetGblLock();
if (plink->type == CA_LINK) {
ncalinks++;
pca = (caLink *)plink->value.pv_link.pvt;
if (pca
&& pca->chid
&& (ca_field_type(pca->chid) != TYPENOTCONN)) {
nconnected++;
nDisconnect += pca->nDisconnect;
nNoWrite += pca->nNoWrite;
if (!ca_read_access(pca->chid)) noReadAccess++;
if (!ca_write_access(pca->chid)) noWriteAccess++;
if (level>1) {
int rw = ca_read_access(pca->chid) |
ca_write_access(pca->chid) << 1;
static const char *rights[4] = {
"No Access", "Read Only",
"Write Only", "Read/Write"
};
int mask = plink->value.pv_link.pvlMask;
printf("%28s.%-4s ==> %-28s (%lu, %lu)\n",
precord->name,
pdbFldDes->name,
plink->value.pv_link.pvname,
pca->nDisconnect,
pca->nNoWrite);
printf("%21s [%s%s%s%s] host %s, %s\n", "",
mask & pvlOptInpNative ? "IN" : " ",
mask & pvlOptInpString ? "IS" : " ",
mask & pvlOptOutNative ? "ON" : " ",
mask & pvlOptOutString ? "OS" : " ",
ca_host_name(pca->chid),
rights[rw]);
}
} else {
if (level>0) {
printf("%28s.%-4s --> %-28s (%lu, %lu)\n",
precord->name,
pdbFldDes->name,
plink->value.pv_link.pvname,
pca->nDisconnect,
pca->nNoWrite);
}
}
}
dbLockSetGblUnlock();
}
if (precordname) goto done;
}
status = dbNextRecord(pdbentry);
}
status = dbNextRecordType(pdbentry);
}
done:
if ((level > 1 && nconnected > 0) ||
(level > 0 && ncalinks != nconnected)) printf("\n");
printf("Total %d CA link%s; ",
ncalinks, (ncalinks != 1) ? "s" : "");
printf("%d connected, %d not connected.\n",
nconnected, (ncalinks - nconnected));
printf(" %d can't read, %d can't write.",
noReadAccess, noWriteAccess);
printf(" (%lu disconnects, %lu writes prohibited)\n\n",
nDisconnect, nNoWrite);
dbFinishEntry(pdbentry);
if ( level > 2 && dbCaClientContext != 0 ) {
ca_context_status ( dbCaClientContext, level - 2 );
}
return(0);
}
void dbcaStats(int *pchans, int *pdiscon)
{
DBENTRY dbentry;
DBENTRY *pdbentry = &dbentry;
long status;
DBLINK *plink;
long ncalinks = 0;
long nconnected = 0;
dbInitEntry(pdbbase,pdbentry);
status = dbFirstRecordType(pdbentry);
while (!status) {
dbRecordType *pdbRecordType = pdbentry->precordType;
status = dbFirstRecord(pdbentry);
while (!status) {
dbCommon *precord = (dbCommon *)pdbentry->precnode->precord;
int j;
for (j=0; j<pdbRecordType->no_links; j++) {
int i = pdbRecordType->link_ind[j];
dbFldDes *pdbFldDes = pdbRecordType->papFldDes[i];
plink = (DBLINK *)((char *)precord + pdbFldDes->offset);
if (plink->type == CA_LINK) {
caLink *pca = (caLink *)plink->value.pv_link.pvt;
ncalinks++;
if (pca && ca_state(pca->chid) == cs_conn) {
nconnected++;
}
}
}
status = dbNextRecord(pdbentry);
}
status = dbNextRecordType(pdbentry);
}
dbFinishEntry(pdbentry);
if (pchans) *pchans = ncalinks;
if (pdiscon) *pdiscon = ncalinks - nconnected;
}