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356 | /**
* Copyright (c) 2020-2024 by Altair Engineering, Inc.
* All rights reserved.
*
* Altair Engineering, Inc. makes this software available as part of the Vision
* tool platform. As long as you are a licensee of the Vision tool platform
* you may make copies of the software and modify it to be used within the
* Vision tool platform, but you must include all of this notice on any copy.
* Redistribution without written permission to any third party, with or
* without modification, is not permitted.
* Altair Engineering, Inc. does not warrant that this software is error free
* or fit for any purpose. Altair Engineering, Inc. disclaims any liability for
* all claims, expenses, losses, damages and costs any user may incur as a
* result of using, copying or modifying the software.
* ============================================================================
* @c-code
* Extract Path
* @section
* C Level Examples
* @description
* Extract a path using the C-Level API.
* @files
* zdb/extract.c
* @tag
* zdb
*/
#include <stdio.h>
#include "zos/ztypes.h"
#include "zos/zos.h"
#include "zos/zerror.h"
#include "zdb/zdb.h"
#include "zdb/zdbmem.h"
#include "zdb/zextract.h"
/**
* This is an error handling function. Print the given msg to stderr and
* return zFalse
*/
static zBool errorMsg(const char* msg) {
fprintf(stderr, "%s\n", msg);
return zFalse;
}
/**
* getTop - get top module.
* returns NULL on error.
*/
static Module* getTop(DB* db) {
if (LISTLEN(db->topList)) {
return db->topList[0];
}
zPrintError("no top module found");
return NULL;
}
/**
* getOid - get oid from given string
* return zFalse on error.
*/
static zBool getOid(DB* db, Module* top, const char* str, OID* oid) {
OidType type = zStrchr(str, '.') ? OidPin : OidPort;
if (!zOID_createFromString(db, oid, type, top, str, '.',
'\0','\0', NULL, zTrue, zFalse, zFalse, zFalse)) {
return zFalse;
}
return zTrue;
}
/**
* storePathAsRootAttr - store one path as root attribute.
*/
static zBool storePathAsRootAttr(DB *db, int no, OID* path) {
int o, oLen;
DStr attrName;
DStr attrValue;
DStr oidStrList;
DStr buf;
zDStrInit(&attrName);
zDStrInit(&attrValue);
zDStrInit(&oidStrList);
zDStrInit(&buf);
zDStrPrintf(&attrName, "EXTRACT_RESULT_%d", no);
zDStrPrintf(&buf, "Path %d", no);
zDStrAppendTclElement(&attrValue, buf.s);
oLen = ARRAYLEN(path);
for (o = 0; o < oLen; o++) {
zOID_stringRepresentation(path + o, &buf);
zDStrAppendTclElement(&oidStrList, buf.s);
}
zDStrAppendTclElement(&attrValue, oidStrList.s);
zSetAttributeNv(db, &db->attrList, attrName.s, attrValue.s, zFalse);
zDStrFree(&attrName);
zDStrFree(&attrValue);
zDStrFree(&oidStrList);
zDStrFree(&buf);
return zTrue;
}
/**
* storePathAsFile - store one path ad path file.
*/
static zBool storePathAsFile(const char* outDir, int no, OID* path) {
int o, oLen;
char fileName[4096];
FILE* fp;
DStr buf;
DStr value;
DStr oidStrList;
zSnprintf_checked(fileName, sizeof(fileName), "%s/out%d.txt", outDir, no);
fp = fopen(fileName, "w");
if (!fp) {
zPrintError("could not open '%s'", fileName);
return zFalse;
}
zDStrInit(&buf);
zDStrInit(&value);
zDStrInit(&oidStrList);
zDStrPrintf(&buf, "Path %d", no);
zDStrAppendTclElement(&value, buf.s);
oLen = ARRAYLEN(path);
for (o = 0; o < oLen; o++) {
zOID_stringRepresentation(path + o, &buf);
zDStrAppendTclElement(&oidStrList, buf.s);
}
zDStrAppendTclElement(&value, oidStrList.s);
fprintf(fp, "%s\n", value.s);
fclose(fp);
zDStrFree(&oidStrList);
zDStrFree(&value);
zDStrFree(&buf);
return zTrue;
}
/**
* storeResults - store all paths as root attributes
*/
static zBool storeResults(DB* db, OID** resList, const char* outDir) {
int p, pLen = ARRAYLEN(resList);
if (!pLen) {
zPrintError("result list empty");
return zFalse;
}
for (p = 0; p < pLen; p++) {
OID* path = resList[p];
if (!storePathAsRootAttr(db, p, path) ||
!storePathAsFile(outDir, p, path)) {
return zFalse;
}
}
return zTrue;
}
/**
* extractPath - extract path.
* returns zFalse on error.
*/
static zBool extractPath(DB* db, const char* start, const char* end,
const char* outDir) {
OID startOid;
OID endOid;
Module* top;
struct zExtract* ext;
OID* startObjs = NULL;
zBool ok;
char binFileName[4096];
/**
* get top module
*/
top = getTop(db);
if (!top) {
return zFalse;
}
/**
* get start oid
*/
if (!getOid(db, top, start, &startOid)) {
return zFalse;
}
zOID_ref(&startOid);
/**
* get end oid
*/
if (!getOid(db, top, end, &endOid)) {
zOID_unref(&startOid);
return zFalse;
}
zOID_ref(&endOid);
/**
* Create start list
*/
zOID_ref(&startOid);
zArrayAppend(&startObjs, &startOid);
/**
* Create extractor
*/
ext = zExtractNew(
db,
ExtractEdirToOut /* dir */,
0 /* targetFlags */,
0 /* targetFlaggedCell */,
0 /* targetFlaggedInst */,
0 /* targetFlaggedPin */,
0 /* targetFlaggedPort */,
0 /* targetFlaggedNet*/,
0 /* targetFlatFlagged */,
0 /* targetFlatNetNotFlagged*/,
&endOid /*targetObj */,
NULL /*targetCells[4]*/,
0 /* excludeFlaggedCell */,
0 /* excludeFlaggedInst */,
0 /* excludeFlaggedPin */,
0 /* excludeFlaggedPort */,
0 /* excludeFlaggedNet */,
0 /* excludeFlatFlagged */,
zFalse /* excludeFuncPort */,
NULL /* excludeCells */,
0 /* optionFlags */,
startObjs /* startObjs */,
0 /* limit */,
0 /* resLimit */,
zExtractStrategyIDDFS /* strategy */,
NULL /* oidCB */,
NULL /* oidListCB */,
NULL /* ctx */
);
/**
* Free start list
*/
zOID_freeList(startObjs);
/**
* Unref oids
*/
zOID_unref(&startOid);
zOID_unref(&endOid);
/**
* Check for errors */
if (!ext) {
return zFalse;
}
/**
* Start extraction
*/
ok = zExtractInit(ext, zExtractModePaths);
ok = ok && zExtractGo(ext);
if (ok) {
OID** resList = zExtractGetPathsResult(ext);
ok = storeResults(db, resList, outDir);
}
/**
* Cleanup extraction
*/
zExtractFinit(ext);
/**
* Delete extractor
*/
zExtractFree(ext);
/**
* Save to binfile to store the root attribute data.
*/
zSnprintf_checked(binFileName, sizeof(binFileName), "%s/out.zdb", outDir);
if (!zSaveDataBaseCompact(db, binFileName)) {
return 1;
}
return ok;
}
/**
* Main function.
*/
int main(int argc, char** argv) {
const char* inBinfile = NULL;
const char* outDir = NULL;
const char* start = NULL;
const char* end = NULL;
DB* db = NULL;
/**
* Need : the path to the binfile, start and end oid.
*/
if (argc != 5) {
fprintf(stderr, "Usage: %s <INBINFILE> <OUTDIR> <START> <END>\n",
argv[0]);
return 1;
}
inBinfile = argv[1];
outDir = argv[2];
start = argv[3];
end = argv[4];
/**
* Open the database.
*/
db = zOpenDataBase(inBinfile);
if (!db) {
errorMsg(zGetError());
return 1;
}
/**
* Extract path.
*/
if (!extractPath(db, start, end, outDir)) {
errorMsg(zGetError());
zCloseDataBase(db);
return 1;
}
/**
* Close the database.
*/
if (!zCloseDataBase(db)) {
errorMsg(zGetError());
return 1;
}
return 0;
}
|