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nwfilter: Use virNWFilterDefPtr rather than deref virNWFilterObjPtr

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Rather than dereferencing obj->def->XXX or nwfilters->objs[i]->X
create local virNWFilterObjPtr and virNWFilterDefPtr variables.

Future adjustments will be privatizing the object more, so this just
prepares the code for that reality.

Signed-off-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
John Ferlan 2017-04-18 22:32:32 -04:00
parent 82769c4fdc
commit fc07fd04e4
2 changed files with 52 additions and 34 deletions
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65
src/conf/virnwfilterobj.c
View File

@ -87,12 +87,16 @@ virNWFilterObjFindByUUID(virNWFilterObjListPtr nwfilters,
const unsigned char *uuid)
{
size_t i;
virNWFilterObjPtr obj;
virNWFilterDefPtr def;
for (i = 0; i < nwfilters->count; i++) {
virNWFilterObjLock(nwfilters->objs[i]);
if (!memcmp(nwfilters->objs[i]->def->uuid, uuid, VIR_UUID_BUFLEN))
return nwfilters->objs[i];
virNWFilterObjUnlock(nwfilters->objs[i]);
obj = nwfilters->objs[i];
virNWFilterObjLock(obj);
def = obj->def;
if (!memcmp(def->uuid, uuid, VIR_UUID_BUFLEN))
return obj;
virNWFilterObjUnlock(obj);
}
return NULL;
@ -104,12 +108,16 @@ virNWFilterObjFindByName(virNWFilterObjListPtr nwfilters,
const char *name)
{
size_t i;
virNWFilterObjPtr obj;
virNWFilterDefPtr def;
for (i = 0; i < nwfilters->count; i++) {
virNWFilterObjLock(nwfilters->objs[i]);
if (STREQ_NULLABLE(nwfilters->objs[i]->def->name, name))
return nwfilters->objs[i];
virNWFilterObjUnlock(nwfilters->objs[i]);
obj = nwfilters->objs[i];
virNWFilterObjLock(obj);
def = obj->def;
if (STREQ_NULLABLE(def->name, name))
return obj;
virNWFilterObjUnlock(obj);
}
return NULL;
@ -141,9 +149,8 @@ _virNWFilterObjDefLoopDetect(virNWFilterObjListPtr nwfilters,
obj = virNWFilterObjFindByName(nwfilters,
entry->include->filterref);
if (obj) {
rc = _virNWFilterObjDefLoopDetect(nwfilters,
obj->def, filtername);
rc = _virNWFilterObjDefLoopDetect(nwfilters, obj->def,
filtername);
virNWFilterObjUnlock(obj);
if (rc < 0)
break;
@ -226,24 +233,26 @@ virNWFilterObjAssignDef(virNWFilterObjListPtr nwfilters,
virNWFilterDefPtr def)
{
virNWFilterObjPtr obj;
virNWFilterDefPtr objdef;
obj = virNWFilterObjFindByUUID(nwfilters, def->uuid);
if ((obj = virNWFilterObjFindByUUID(nwfilters, def->uuid))) {
objdef = obj->def;
if (obj) {
if (STRNEQ(def->name, obj->def->name)) {
if (STRNEQ(def->name, objdef->name)) {
virReportError(VIR_ERR_OPERATION_FAILED,
_("filter with same UUID but different name "
"('%s') already exists"),
obj->def->name);
objdef->name);
virNWFilterObjUnlock(obj);
return NULL;
}
virNWFilterObjUnlock(obj);
} else {
obj = virNWFilterObjFindByName(nwfilters, def->name);
if (obj) {
if ((obj = virNWFilterObjFindByName(nwfilters, def->name))) {
char uuidstr[VIR_UUID_STRING_BUFLEN];
virUUIDFormat(obj->def->uuid, uuidstr);
objdef = obj->def;
virUUIDFormat(objdef->uuid, uuidstr);
virReportError(VIR_ERR_OPERATION_FAILED,
_("filter '%s' already exists with uuid %s"),
def->name, uuidstr);
@ -261,8 +270,9 @@ virNWFilterObjAssignDef(virNWFilterObjListPtr nwfilters,
if ((obj = virNWFilterObjFindByName(nwfilters, def->name))) {
if (virNWFilterDefEqual(def, obj->def, false)) {
virNWFilterDefFree(obj->def);
objdef = obj->def;
if (virNWFilterDefEqual(def, objdef, false)) {
virNWFilterDefFree(objdef);
obj->def = def;
return obj;
}
@ -275,7 +285,7 @@ virNWFilterObjAssignDef(virNWFilterObjListPtr nwfilters,
return NULL;
}
virNWFilterDefFree(obj->def);
virNWFilterDefFree(objdef);
obj->def = def;
obj->newDef = NULL;
return obj;
@ -334,12 +344,14 @@ virNWFilterObjGetNames(virNWFilterObjListPtr nwfilters,
{
int nnames = 0;
size_t i;
virNWFilterDefPtr def;
for (i = 0; i < nwfilters->count && nnames < maxnames; i++) {
virNWFilterObjPtr obj = nwfilters->objs[i];
virNWFilterObjLock(obj);
if (!aclfilter || aclfilter(conn, obj->def)) {
if (VIR_STRDUP(names[nnames], obj->def->name) < 0) {
def = obj->def;
if (!aclfilter || aclfilter(conn, def)) {
if (VIR_STRDUP(names[nnames], def->name) < 0) {
virNWFilterObjUnlock(obj);
goto failure;
}
@ -368,6 +380,7 @@ virNWFilterObjListExport(virConnectPtr conn,
int nfilters = 0;
virNWFilterPtr filter = NULL;
virNWFilterObjPtr obj = NULL;
virNWFilterDefPtr def;
size_t i;
int ret = -1;
@ -382,9 +395,9 @@ virNWFilterObjListExport(virConnectPtr conn,
for (i = 0; i < nwfilters->count; i++) {
obj = nwfilters->objs[i];
virNWFilterObjLock(obj);
if (!aclfilter || aclfilter(conn, obj->def)) {
if (!(filter = virGetNWFilter(conn, obj->def->name,
obj->def->uuid))) {
def = obj->def;
if (!aclfilter || aclfilter(conn, def)) {
if (!(filter = virGetNWFilter(conn, def->name, def->uuid))) {
virNWFilterObjUnlock(obj);
goto cleanup;
}

21
src/nwfilter/nwfilter_driver.c
View File

@ -358,6 +358,7 @@ nwfilterLookupByUUID(virConnectPtr conn,
const unsigned char *uuid)
{
virNWFilterObjPtr obj;
virNWFilterDefPtr def;
virNWFilterPtr ret = NULL;
nwfilterDriverLock();
@ -369,11 +370,12 @@ nwfilterLookupByUUID(virConnectPtr conn,
"%s", _("no nwfilter with matching uuid"));
goto cleanup;
}
def = obj->def;
if (virNWFilterLookupByUUIDEnsureACL(conn, obj->def) < 0)
if (virNWFilterLookupByUUIDEnsureACL(conn, def) < 0)
goto cleanup;
ret = virGetNWFilter(conn, obj->def->name, obj->def->uuid);
ret = virGetNWFilter(conn, def->name, def->uuid);
cleanup:
if (obj)
@ -387,6 +389,7 @@ nwfilterLookupByName(virConnectPtr conn,
const char *name)
{
virNWFilterObjPtr obj;
virNWFilterDefPtr def;
virNWFilterPtr ret = NULL;
nwfilterDriverLock();
@ -398,11 +401,12 @@ nwfilterLookupByName(virConnectPtr conn,
_("no nwfilter with matching name '%s'"), name);
goto cleanup;
}
def = obj->def;
if (virNWFilterLookupByNameEnsureACL(conn, obj->def) < 0)
if (virNWFilterLookupByNameEnsureACL(conn, def) < 0)
goto cleanup;
ret = virGetNWFilter(conn, obj->def->name, obj->def->uuid);
ret = virGetNWFilter(conn, def->name, def->uuid);
cleanup:
if (obj)
@ -467,6 +471,7 @@ nwfilterDefineXML(virConnectPtr conn,
{
virNWFilterDefPtr def;
virNWFilterObjPtr obj = NULL;
virNWFilterDefPtr objdef;
virNWFilterPtr ret = NULL;
if (!driver->privileged) {
@ -487,15 +492,15 @@ nwfilterDefineXML(virConnectPtr conn,
if (!(obj = virNWFilterObjAssignDef(&driver->nwfilters, def)))
goto cleanup;
def = NULL;
objdef = obj->def;
if (virNWFilterSaveDef(driver->configDir, def) < 0) {
if (virNWFilterSaveDef(driver->configDir, objdef) < 0) {
virNWFilterObjRemove(&driver->nwfilters, obj);
def = NULL;
goto cleanup;
}
def = NULL;
ret = virGetNWFilter(conn, obj->def->name, obj->def->uuid);
ret = virGetNWFilter(conn, objdef->name, objdef->uuid);
cleanup:
virNWFilterDefFree(def);