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Commit 911e388e authored by Thomas Jahns's avatar Thomas Jahns 🤸
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Merge memory used by free-list and value/ops pointers in resource list.

parent 99a8602e
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src/resource_handle.c
View file @ 911e388e
......@@ -25,9 +25,20 @@ enum { MIN_LIST_SIZE = 128 };
static void listInitialize(void);
typedef struct listElem {
int next;
const resOps *ops;
void *val;//ptr
union
{
/* free-list management data */
struct
{
int next;
} free;
/* holding an actual value */
struct
{
const resOps *ops;
void *val;//ptr
} v;
} res;
int status;
} listElem_t;
......@@ -88,13 +99,11 @@ listInitResources(int nsp)
for (int i = 0; i < size; i++ )
{
p[i].next = i + 1;
p[i].ops = NULL;
p[i].val = NULL;
p[i].res.free.next = i + 1;
p[i].status = RESH_UNUSED;
}
p[resHList[nsp].size-1].next = -1;
p[size-1].res.free.next = -1;
resHList[nsp].freeHead = 0;
int oldNsp = namespaceGetActive();
namespaceSetActive(nsp);
......@@ -142,8 +151,8 @@ reshListDestruct(int namespaceID)
for ( int j = 0; j < resHList[namespaceID].size; j++ )
{
listElem_t *listElem = resHList[namespaceID].resources + j;
if (listElem->val)
listElem->ops->valDestroy(listElem->val);
if (listElem->status != RESH_UNUSED)
listElem->res.v.ops->valDestroy(listElem->res.v.val);
}
free(resHList[namespaceID].resources);
reshListClearEntry(namespaceID);
......@@ -205,13 +214,11 @@ void listSizeExtend()
for (int i = oldSize; i < newListSize; ++i)
{
resHList[nsp].resources[i].next = i + 1;
resHList[nsp].resources[i].ops = NULL;
resHList[nsp].resources[i].val = NULL;
resHList[nsp].resources[i].res.free.next = i + 1;
resHList[nsp].resources[i].status = RESH_UNUSED;
}
resHList[nsp].resources[newListSize-1].next = resHList[nsp].freeHead;
resHList[nsp].resources[newListSize-1].res.free.next = resHList[nsp].freeHead;
resHList[nsp].freeHead = oldSize;
resHList[nsp].size = newListSize;
}
......@@ -220,8 +227,6 @@ void listSizeExtend()
int reshPut ( void *p, const resOps *ops )
{
listElem_t * newListElem;
xassert ( p && ops );
LIST_INIT(1);
......@@ -233,11 +238,10 @@ int reshPut ( void *p, const resOps *ops )
if ( resHList[nsp].freeHead == -1) listSizeExtend();
int entry = resHList[nsp].freeHead;
cdiResH resH = namespaceIdxEncode2(nsp, entry);
newListElem = resHList[nsp].resources + entry;
resHList[nsp].freeHead = newListElem->next;
newListElem->next = -1;
newListElem->val = p;
newListElem->ops = ops;
listElem_t *newListElem = resHList[nsp].resources + entry;
resHList[nsp].freeHead = newListElem->res.free.next;
newListElem->res.v.val = p;
newListElem->res.v.ops = ops;
newListElem->status = RESH_ASSIGNED;
LIST_UNLOCK();
......@@ -263,12 +267,10 @@ void reshRemove ( cdiResH resH, const resOps * ops )
xassert ( nspT.nsp == nsp &&
nspT.idx >= 0 &&
nspT.idx < resHList[nsp].size &&
resHList[nsp].resources[nspT.idx].ops &&
resHList[nsp].resources[nspT.idx].ops == ops );
resHList[nsp].resources[nspT.idx].res.v.ops &&
resHList[nsp].resources[nspT.idx].res.v.ops == ops );
resHList[nsp].resources[nspT.idx].next = resHList[nsp].freeHead;
resHList[nsp].resources[nspT.idx].ops = NULL;
resHList[nsp].resources[nspT.idx].val = NULL;
resHList[nsp].resources[nspT.idx].res.free.next = resHList[nsp].freeHead;
resHList[nsp].resources[nspT.idx].status = RESH_UNUSED;
resHList[nsp].freeHead = nspT.idx;
......@@ -307,7 +309,7 @@ reshGetElem(const char *caller, cdiResH resH, const resOps *ops)
nspT.nsp, nspT.idx, (int)resH, nsp, resHList[nsp].size);
}
if ( !(listElem && listElem->ops == ops) )
if ( !(listElem && listElem->res.v.ops == ops) )
xabortC(caller, "Invalid resource handle %d, list element not found!",
(int)resH);
return listElem;
......@@ -316,7 +318,7 @@ reshGetElem(const char *caller, cdiResH resH, const resOps *ops)
void *reshGetValue(const char * caller, cdiResH resH, const resOps * ops)
{
return reshGetElem(caller, resH, ops)->val;
return reshGetElem(caller, resH, ops)->res.v.val;
}
/**************************************************************/
......@@ -334,8 +336,8 @@ void reshGetResHListOfType ( int c, int * resHs, const resOps * ops )
nsp = namespaceGetActive ();
for ( i = 0; i < resHList[nsp].size; i++ )
if ( resHList[nsp].resources[i].val && resHList[nsp].resources[i].ops )
if ( resHList[nsp].resources[i].ops == ops )
if (resHList[nsp].resources[i].status != RESH_UNUSED)
if (resHList[nsp].resources[i].res.v.ops == ops)
{
resHs[j++] = namespaceIdxEncode2 ( nsp, i );
if ( j == c ) break;
......@@ -357,9 +359,10 @@ cdiResHApply(enum cdiApplyRet (*func)(int id, void *res, const resOps *p,
int nsp = namespaceGetActive ();
enum cdiApplyRet ret = CDI_APPLY_GO_ON;
for (int i = 0; i < resHList[nsp].size && ret > 0; ++i)
if (resHList[nsp].resources[i].val && resHList[nsp].resources[i].ops)
ret = func(namespaceIdxEncode2(nsp, i), resHList[nsp].resources[i].val,
resHList[nsp].resources[i].ops, data);
if (resHList[nsp].resources[i].status != RESH_UNUSED)
ret = func(namespaceIdxEncode2(nsp, i),
resHList[nsp].resources[i].res.v.val,
resHList[nsp].resources[i].res.v.ops, data);
LIST_UNLOCK();
return ret;
}
......@@ -378,10 +381,10 @@ cdiResHFilterApply(const resOps *p,
int nsp = namespaceGetActive ();
enum cdiApplyRet ret = CDI_APPLY_GO_ON;
listElem_t *r = resHList[nsp].resources;
for (int i = 0; i < resHList[nsp].size && ret > 0; ++i)
if (resHList[nsp].resources[i].val && resHList[nsp].resources[i].ops
&& resHList[nsp].resources[i].ops == p)
ret = func(namespaceIdxEncode2(nsp, i), resHList[nsp].resources[i].val,
if (r[i].status != RESH_UNUSED && r[i].res.v.ops == p)
ret = func(namespaceIdxEncode2(nsp, i), r[i].res.v.val,
data);
LIST_UNLOCK();
return ret;
......@@ -404,10 +407,9 @@ int reshCountType ( const resOps * ops )
nsp = namespaceGetActive ();
listElem_t *r = resHList[nsp].resources;
for ( i = 0; i < resHList[nsp].size; i++ )
if ( resHList[nsp].resources[i].val )
if ( resHList[nsp].resources[i].ops == ops )
countType++;
countType += (r[i].status != RESH_UNUSED && r[i].res.v.ops == ops);
LIST_UNLOCK();
......@@ -420,7 +422,7 @@ int
reshResourceGetPackSize(int resH, const resOps *ops, void *context)
{
listElem_t *curr = reshGetElem(__func__, resH, ops);
return curr->ops->valGetPackSize(curr->val, context);
return curr->res.v.ops->valGetPackSize(curr->res.v.val, context);
}
void
......@@ -428,7 +430,7 @@ reshPackResource(int resH, const resOps *ops,
void *buf, int buf_size, int *position, void *context)
{
listElem_t *curr = reshGetElem(__func__, resH, ops);
curr->ops->valPack(curr->val, buf, buf_size, position, context);
curr->res.v.ops->valPack(curr->res.v.val, buf, buf_size, position, context);
}
......@@ -436,26 +438,24 @@ static int getPackBufferSize(void *context)
{
int nsp, i;
int intpacksize, packBufferSize = 0;
listElem_t * curr;
nsp = namespaceGetActive ();
/* pack start marker, namespace and sererator marker */
packBufferSize += (intpacksize = serializeGetSize(3, DATATYPE_INT, context));
packBufferSize += 3 * (intpacksize = serializeGetSize(1, DATATYPE_INT, context));
/* pack resources, type marker and seperator marker */
for ( i = 0; i < resHList[nsp].size; i++ )
if ( resHList[nsp].resources[i].val )
if ( resHList[nsp].resources[i].status == RESH_ASSIGNED )
{
curr = resHList[nsp].resources + i;
xassert ( curr->ops );
/* message plus frame of 2 ints */
packBufferSize += curr->ops->valGetPackSize(curr->val, context)
+ 2 * intpacksize;
}
listElem_t *r = resHList[nsp].resources;
for ( i = 0; i < resHList[nsp].size; i++)
if (r[i].status == RESH_ASSIGNED)
{
xassert ( r[i].res.v.ops );
/* message plus frame of 2 ints */
packBufferSize +=
r[i].res.v.ops->valGetPackSize(r[i].res.v.val, context)
+ 2 * intpacksize;
}
/* end marker */
packBufferSize += intpacksize;
......@@ -475,7 +475,6 @@ void reshPackBufferCreate(char **packBuffer, int *packBufferSize, void *context)
{
int i, packBufferPos = 0;
int start = START, end = END, sep = SEPARATOR, type;
listElem_t * curr;
xassert ( packBuffer );
......@@ -491,26 +490,27 @@ void reshPackBufferCreate(char **packBuffer, int *packBufferSize, void *context)
serializePack(header, 3, DATATYPE_INT, pB, pBSize, &packBufferPos, context);
}
listElem_t *r = resHList[nsp].resources;
for ( i = 0; i < resHList[nsp].size; i++ )
if ( resHList[nsp].resources[i].val )
if ( resHList[nsp].resources[i].status == RESH_ASSIGNED )
{
curr = resHList[nsp].resources + i;
xassert ( curr->ops );
if ( r[i].status == RESH_ASSIGNED)
{
listElem_t * curr = r + i;
xassert ( curr->res.v.ops );
type = curr->ops->valTxCode ();
type = curr->res.v.ops->valTxCode ();
if ( ! type ) continue;
if ( ! type ) continue;
serializePack( &type, 1, DATATYPE_INT, * packBuffer,
* packBufferSize, &packBufferPos, context);
serializePack( &type, 1, DATATYPE_INT, * packBuffer,
* packBufferSize, &packBufferPos, context);
curr->ops->valPack(curr->val, pB, pBSize, &packBufferPos, context);
curr->res.v.ops->valPack(curr->res.v.val,
pB, pBSize, &packBufferPos, context);
serializePack(&sep, 1, DATATYPE_INT, pB, pBSize, &packBufferPos, context);
serializePack(&sep, 1, DATATYPE_INT, pB, pBSize, &packBufferPos, context);
curr->status = RESH_CLOSED;
}
curr->status = RESH_CLOSED;
}
LIST_UNLOCK();
......@@ -527,7 +527,7 @@ void reshSetStatus ( cdiResH resH, const resOps * ops, int status )
namespaceTuple_t nspT;
listElem_t * listElem;
xassert ( ops );
xassert(ops && status != RESH_UNUSED);
LIST_INIT(1);
......@@ -544,7 +544,7 @@ void reshSetStatus ( cdiResH resH, const resOps * ops, int status )
listElem = resHList[nsp].resources + nspT.idx;
xassert ( listElem &&
listElem->ops == ops );
listElem->res.v.ops == ops );
listElem->status = status;
......@@ -557,7 +557,6 @@ int reshGetStatus ( cdiResH resH, const resOps * ops )
{
int nsp;
namespaceTuple_t nspT;
listElem_t * listElem;
xassert ( ops );
......@@ -573,12 +572,13 @@ int reshGetStatus ( cdiResH resH, const resOps * ops )
nspT.idx >= 0 &&
nspT.idx < resHList[nsp].size );
listElem = resHList[nsp].resources + nspT.idx;
listElem_t *listElem = resHList[nsp].resources + nspT.idx;
const resOps *elemOps = listElem->res.v.ops;
LIST_UNLOCK();
xassert ( listElem &&
listElem->ops == ops );
xassert(listElem && elemOps == ops);
return listElem->status;
}
......@@ -614,33 +614,34 @@ int reshListCompare ( int nsp0, int nsp1 )
*resources1 = resHList[nsp1].resources;
for (i = 0; i < listSizeMin; i++)
{
int occupied0 = resources0[i].val != NULL,
occupied1 = resources1[i].val != NULL;
int occupied0 = resources0[i].status != RESH_UNUSED,
occupied1 = resources1[i].status != RESH_UNUSED;
/* occupation mismatch ? */
int diff = occupied0 ^ occupied1;
valCompare |= (diff << cdiResHListOccupationMismatch);
if (!diff && occupied0)
{
/* both occupied, do resource types match? */
diff = (resources0[i].ops != resources1[i].ops
|| resources0[i].ops == NULL);
diff = (resources0[i].res.v.ops != resources1[i].res.v.ops
|| resources0[i].res.v.ops == NULL);
valCompare |= (diff << cdiResHListResourceTypeMismatch);
if (!diff)
{
/* types match, does content match also? */
diff = resources0[i].ops->valCompare(resources0[i].val,
resources1[i].val);
diff
= resources0[i].res.v.ops->valCompare(resources0[i].res.v.val,
resources1[i].res.v.val);
valCompare |= (diff << cdiResHListResourceContentMismatch);
}
}
}
/* find resources in nsp 0 beyond end of nsp 1 */
for (int j = listSizeMin; j < resHList[nsp0].size; ++j)
valCompare |= ((resources0[j].val != NULL)
valCompare |= ((resources0[j].status != RESH_UNUSED)
<< cdiResHListOccupationMismatch);
/* find resources in nsp 1 beyond end of nsp 0 */
for (; i < resHList[nsp1].size; ++i)
valCompare |= ((resources1[i].val != NULL)
valCompare |= ((resources1[i].status != RESH_UNUSED)
<< cdiResHListOccupationMismatch);
LIST_UNLOCK();
......@@ -679,9 +680,9 @@ void reshListPrint(FILE *fp)
for ( j = 0; j < resHList[i].size; j++ )
{
curr = resHList[i].resources + j;
if ( curr->ops && curr->val )
if (curr->status != RESH_UNUSED)
{
curr->ops->valPrint (( void * ) curr->val, fp );
curr->res.v.ops->valPrint(curr->res.v.val, fp);
fprintf ( fp, "\n" );
}
}
......
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