[PATCH 01/40] util: virresctrl: convert classes to GObject
Rafael Fonseca
r4f4rfs at gmail.com
Wed May 13 11:56:45 UTC 2020
This patch changes virResctrlInfo, virResctrlAlloc and virResctrlMonitor
from virObject to GObject.
Signed-off-by: Rafael Fonseca <r4f4rfs at gmail.com>
---
src/conf/capabilities.c | 2 +-
src/conf/domain_conf.c | 19 ++---
src/libvirt_private.syms | 3 +
src/util/virresctrl.c | 155 +++++++++++++++++++--------------------
src/util/virresctrl.h | 15 ++--
tests/virresctrltest.c | 3 +-
6 files changed, 98 insertions(+), 99 deletions(-)
diff --git a/src/conf/capabilities.c b/src/conf/capabilities.c
index 99b69aebb5..0741d76731 100644
--- a/src/conf/capabilities.c
+++ b/src/conf/capabilities.c
@@ -266,7 +266,7 @@ virCapsDispose(void *object)
VIR_FREE(caps->host.netprefix);
VIR_FREE(caps->host.pagesSize);
virCPUDefFree(caps->host.cpu);
- virObjectUnref(caps->host.resctrl);
+ g_clear_object(&caps->host.resctrl);
}
/**
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index c201fc901d..301b4b0d84 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -3348,7 +3348,7 @@ virDomainResctrlMonDefFree(virDomainResctrlMonDefPtr domresmon)
return;
virBitmapFree(domresmon->vcpus);
- virObjectUnref(domresmon->instance);
+ g_clear_object(&domresmon->instance);
VIR_FREE(domresmon);
}
@@ -3364,7 +3364,7 @@ virDomainResctrlDefFree(virDomainResctrlDefPtr resctrl)
for (i = 0; i < resctrl->nmonitors; i++)
virDomainResctrlMonDefFree(resctrl->monitors[i]);
- virObjectUnref(resctrl->alloc);
+ g_clear_object(&resctrl->alloc);
virBitmapFree(resctrl->vcpus);
VIR_FREE(resctrl->monitors);
VIR_FREE(resctrl);
@@ -20520,11 +20520,6 @@ virDomainResctrlMonDefParse(virDomainDefPtr def,
domresmon->tag = tag;
domresmon->instance = virResctrlMonitorNew();
- if (!domresmon->instance) {
- virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
- _("Could not create monitor"));
- goto cleanup;
- }
if (tag == VIR_RESCTRL_MONITOR_TYPE_CACHE) {
tmp = virXMLPropString(nodes[i], "level");
@@ -20634,7 +20629,7 @@ virDomainResctrlNew(xmlNodePtr node,
goto cleanup;
}
- resctrl->alloc = virObjectRef(alloc);
+ resctrl->alloc = g_object_ref(alloc);
ret = g_steal_pointer(&resctrl);
cleanup:
@@ -20681,8 +20676,7 @@ virDomainCachetuneDefParse(virDomainDefPtr def,
return -1;
}
- if (!(alloc = virResctrlAllocNew()))
- return -1;
+ alloc = virResctrlAllocNew();
for (i = 0; i < n; i++) {
if (virDomainCachetuneDefParseCache(ctxt, nodes[i], alloc) < 0)
@@ -20867,10 +20861,9 @@ virDomainMemorytuneDefParse(virDomainDefPtr def,
return -1;
if (resctrl) {
- alloc = virObjectRef(resctrl->alloc);
+ alloc = g_object_ref(resctrl->alloc);
} else {
- if (!(alloc = virResctrlAllocNew()))
- return -1;
+ alloc = virResctrlAllocNew();
}
/* First, parse <memorytune/node> element if any <node> element exists */
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 935ef7303b..2f3d58dd84 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -2926,6 +2926,9 @@ virRandomInt;
# util/virresctrl.h
+vir_resctrl_alloc_get_type;
+vir_resctrl_info_get_type;
+vir_resctrl_monitor_get_type;
virCacheKernelTypeFromString;
virCacheKernelTypeToString;
virCacheTypeFromString;
diff --git a/src/util/virresctrl.c b/src/util/virresctrl.c
index e17f6bd1bd..923ec474fc 100644
--- a/src/util/virresctrl.c
+++ b/src/util/virresctrl.c
@@ -112,12 +112,6 @@ typedef struct _virResctrlAllocMemBW virResctrlAllocMemBW;
typedef virResctrlAllocMemBW *virResctrlAllocMemBWPtr;
-/* Class definitions and initializations */
-static virClassPtr virResctrlInfoClass;
-static virClassPtr virResctrlAllocClass;
-static virClassPtr virResctrlMonitorClass;
-
-
/* virResctrlInfo */
struct _virResctrlInfoPerType {
/* Kernel-provided information */
@@ -182,7 +176,7 @@ struct _virResctrlInfoMongrp {
};
struct _virResctrlInfo {
- virObject parent;
+ GObject parent;
virResctrlInfoPerLevelPtr *levels;
size_t nlevels;
@@ -192,14 +186,17 @@ struct _virResctrlInfo {
virResctrlInfoMongrpPtr monitor_info;
};
+/* Class definitions and initializations */
+G_DEFINE_TYPE(virResctrlInfo, vir_resctrl_info, G_TYPE_OBJECT);
+
static void
-virResctrlInfoDispose(void *obj)
+virResctrlInfoFinalize(GObject *obj)
{
size_t i = 0;
size_t j = 0;
- virResctrlInfoPtr resctrl = obj;
+ virResctrlInfoPtr resctrl = VIR_RESCTRL_INFO(obj);
for (i = 0; i < resctrl->nlevels; i++) {
virResctrlInfoPerLevelPtr level = resctrl->levels[i];
@@ -221,6 +218,8 @@ virResctrlInfoDispose(void *obj)
VIR_FREE(resctrl->membw_info);
VIR_FREE(resctrl->levels);
VIR_FREE(resctrl->monitor_info);
+
+ G_OBJECT_CLASS(vir_resctrl_info_parent_class)->finalize(obj);
}
@@ -334,7 +333,7 @@ struct _virResctrlAllocMemBW {
};
struct _virResctrlAlloc {
- virObject parent;
+ GObject parent;
virResctrlAllocPerLevelPtr *levels;
size_t nlevels;
@@ -355,7 +354,7 @@ struct _virResctrlAlloc {
* memory bandwidth.
*/
struct _virResctrlMonitor {
- virObject parent;
+ GObject parent;
/* Each virResctrlMonitor is associated with one specific allocation,
* either the root directory allocation under /sys/fs/resctrl or a
@@ -372,15 +371,20 @@ struct _virResctrlMonitor {
char *path;
};
+/* Class definitions and initializations */
+G_DEFINE_TYPE(virResctrlAlloc, vir_resctrl_alloc, G_TYPE_OBJECT);
+G_DEFINE_TYPE(virResctrlMonitor, vir_resctrl_monitor, G_TYPE_OBJECT);
+
+
static void
-virResctrlAllocDispose(void *obj)
+virResctrlAllocFinalize(GObject *obj)
{
size_t i = 0;
size_t j = 0;
size_t k = 0;
- virResctrlAllocPtr alloc = obj;
+ virResctrlAllocPtr alloc = VIR_RESCTRL_ALLOC(obj);
for (i = 0; i < alloc->nlevels; i++) {
virResctrlAllocPerLevelPtr level = alloc->levels[i];
@@ -419,38 +423,62 @@ virResctrlAllocDispose(void *obj)
VIR_FREE(alloc->id);
VIR_FREE(alloc->path);
VIR_FREE(alloc->levels);
+
+ G_OBJECT_CLASS(vir_resctrl_alloc_parent_class)->finalize(obj);
}
static void
-virResctrlMonitorDispose(void *obj)
+virResctrlMonitorFinalize(GObject *obj)
{
- virResctrlMonitorPtr monitor = obj;
+ virResctrlMonitorPtr monitor = VIR_RESCTRL_MONITOR(obj);
+
+ g_clear_object(&monitor->alloc);
- virObjectUnref(monitor->alloc);
VIR_FREE(monitor->id);
VIR_FREE(monitor->path);
+
+ G_OBJECT_CLASS(vir_resctrl_monitor_parent_class)->finalize(obj);
}
+static void
+vir_resctrl_info_init(virResctrlInfo *resctrlinfo G_GNUC_UNUSED)
+{
+}
-/* Global initialization for classes */
-static int
-virResctrlOnceInit(void)
+static void
+vir_resctrl_info_class_init(virResctrlInfoClass *klass)
{
- if (!VIR_CLASS_NEW(virResctrlInfo, virClassForObject()))
- return -1;
+ GObjectClass *obj = G_OBJECT_CLASS(klass);
- if (!VIR_CLASS_NEW(virResctrlAlloc, virClassForObject()))
- return -1;
+ obj->finalize = virResctrlInfoFinalize;
+}
- if (!VIR_CLASS_NEW(virResctrlMonitor, virClassForObject()))
- return -1;
+static void
+vir_resctrl_alloc_init(virResctrlAlloc *resctrlalloc G_GNUC_UNUSED)
+{
+}
- return 0;
+static void
+vir_resctrl_alloc_class_init(virResctrlAllocClass *klass)
+{
+ GObjectClass *obj = G_OBJECT_CLASS(klass);
+
+ obj->finalize = virResctrlAllocFinalize;
+}
+
+static void
+vir_resctrl_monitor_init(virResctrlMonitor *resctrlmon G_GNUC_UNUSED)
+{
}
-VIR_ONCE_GLOBAL_INIT(virResctrl);
+static void
+vir_resctrl_monitor_class_init(virResctrlMonitorClass *klass)
+{
+ GObjectClass *obj = G_OBJECT_CLASS(klass);
+ obj->finalize = virResctrlMonitorFinalize;
+}
/* Common functions */
static int
@@ -793,21 +821,13 @@ virResctrlGetInfo(virResctrlInfoPtr resctrl)
virResctrlInfoPtr
virResctrlInfoNew(void)
{
- virResctrlInfoPtr ret = NULL;
-
- if (virResctrlInitialize() < 0)
- return NULL;
-
- ret = virObjectNew(virResctrlInfoClass);
- if (!ret)
- return NULL;
+ g_autoptr(virResctrlInfo) ret = VIR_RESCTRL_INFO(g_object_new(VIR_TYPE_RESCTRL_INFO, NULL));
if (virResctrlGetInfo(ret) < 0) {
- virObjectUnref(ret);
return NULL;
}
- return ret;
+ return g_steal_pointer(&ret);
}
@@ -1034,10 +1054,7 @@ virResctrlInfoGetMonitorPrefix(virResctrlInfoPtr resctrl,
virResctrlAllocPtr
virResctrlAllocNew(void)
{
- if (virResctrlInitialize() < 0)
- return NULL;
-
- return virObjectNew(virResctrlAllocClass);
+ return VIR_RESCTRL_ALLOC(g_object_new(VIR_TYPE_RESCTRL_ALLOC, NULL));
}
@@ -1769,8 +1786,7 @@ virResctrlAllocGetGroup(virResctrlInfoPtr resctrl,
error:
VIR_FREE(schemata);
- virObjectUnref(*alloc);
- *alloc = NULL;
+ g_clear_object(alloc);
return -1;
}
@@ -1779,9 +1795,7 @@ static virResctrlAllocPtr
virResctrlAllocGetDefault(virResctrlInfoPtr resctrl)
{
virResctrlAllocPtr ret = NULL;
- int rv = virResctrlAllocGetGroup(resctrl, ".", &ret);
-
- if (rv == -2) {
+ if (virResctrlAllocGetGroup(resctrl, ".", &ret) == -2) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Could not read schemata file for the default group"));
}
@@ -1836,9 +1850,6 @@ virResctrlAllocNewFromInfo(virResctrlInfoPtr info)
virResctrlAllocPtr ret = virResctrlAllocNew();
virBitmapPtr mask = NULL;
- if (!ret)
- return NULL;
-
for (i = 0; i < info->nlevels; i++) {
virResctrlInfoPerLevelPtr i_level = info->levels[i];
@@ -1884,8 +1895,7 @@ virResctrlAllocNewFromInfo(virResctrlInfoPtr info)
virBitmapFree(mask);
return ret;
error:
- virObjectUnref(ret);
- ret = NULL;
+ g_clear_object(&ret);
goto cleanup;
}
@@ -1907,7 +1917,7 @@ virResctrlAllocPtr
virResctrlAllocGetUnused(virResctrlInfoPtr resctrl)
{
virResctrlAllocPtr ret = NULL;
- virResctrlAllocPtr alloc = NULL;
+ g_autoptr(virResctrlAlloc) alloc = NULL;
struct dirent *ent = NULL;
DIR *dirp = NULL;
int rv = -1;
@@ -1927,7 +1937,7 @@ virResctrlAllocGetUnused(virResctrlInfoPtr resctrl)
goto error;
virResctrlAllocSubtract(ret, alloc);
- virObjectUnref(alloc);
+ g_clear_object(&alloc);
if (virDirOpen(&dirp, SYSFS_RESCTRL_PATH) < 0)
goto error;
@@ -1948,20 +1958,17 @@ virResctrlAllocGetUnused(virResctrlInfoPtr resctrl)
}
virResctrlAllocSubtract(ret, alloc);
- virObjectUnref(alloc);
- alloc = NULL;
+ g_clear_object(&alloc);
}
if (rv < 0)
goto error;
cleanup:
- virObjectUnref(alloc);
VIR_DIR_CLOSE(dirp);
return ret;
error:
- virObjectUnref(ret);
- ret = NULL;
+ g_clear_object(&ret);
goto cleanup;
}
@@ -2229,10 +2236,9 @@ static int
virResctrlAllocAssign(virResctrlInfoPtr resctrl,
virResctrlAllocPtr alloc)
{
- int ret = -1;
unsigned int level = 0;
- virResctrlAllocPtr alloc_free = NULL;
- virResctrlAllocPtr alloc_default = NULL;
+ g_autoptr(virResctrlAlloc) alloc_free = NULL;
+ g_autoptr(virResctrlAlloc) alloc_default = NULL;
alloc_free = virResctrlAllocGetUnused(resctrl);
if (!alloc_free)
@@ -2240,16 +2246,16 @@ virResctrlAllocAssign(virResctrlInfoPtr resctrl,
alloc_default = virResctrlAllocGetDefault(resctrl);
if (!alloc_default)
- goto cleanup;
+ return -1;
if (virResctrlAllocMemoryBandwidth(resctrl, alloc) < 0)
- goto cleanup;
+ return -1;
if (virResctrlAllocCopyMasks(alloc, alloc_default) < 0)
- goto cleanup;
+ return -1;
if (virResctrlAllocCopyMemBW(alloc, alloc_default) < 0)
- goto cleanup;
+ return -1;
for (level = 0; level < alloc->nlevels; level++) {
virResctrlAllocPerLevelPtr a_level = alloc->levels[level];
@@ -2266,7 +2272,7 @@ virResctrlAllocAssign(virResctrlInfoPtr resctrl,
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Cache level %d does not support tuning"),
level);
- goto cleanup;
+ return -1;
}
for (type = 0; type < VIR_CACHE_TYPE_LAST; type++) {
@@ -2282,7 +2288,7 @@ virResctrlAllocAssign(virResctrlInfoPtr resctrl,
_("Cache level %d does not support tuning for "
"scope type '%s'"),
level, virCacheTypeToString(type));
- goto cleanup;
+ return -1;
}
for (cache = 0; cache < a_type->nsizes; cache++) {
@@ -2290,16 +2296,12 @@ virResctrlAllocAssign(virResctrlInfoPtr resctrl,
virResctrlInfoPerTypePtr i_type = i_level->types[type];
if (virResctrlAllocFindUnused(alloc, i_type, f_type, level, type, cache) < 0)
- goto cleanup;
+ return -1;
}
}
}
- ret = 0;
- cleanup:
- virObjectUnref(alloc_free);
- virObjectUnref(alloc_default);
- return ret;
+ return 0;
}
@@ -2502,10 +2504,7 @@ virResctrlAllocRemove(virResctrlAllocPtr alloc)
virResctrlMonitorPtr
virResctrlMonitorNew(void)
{
- if (virResctrlInitialize() < 0)
- return NULL;
-
- return virObjectNew(virResctrlMonitorClass);
+ return VIR_RESCTRL_MONITOR(g_object_new(VIR_TYPE_RESCTRL_MONITOR, NULL));
}
@@ -2619,7 +2618,7 @@ void
virResctrlMonitorSetAlloc(virResctrlMonitorPtr monitor,
virResctrlAllocPtr alloc)
{
- monitor->alloc = virObjectRef(alloc);
+ monitor->alloc = g_object_ref(alloc);
}
diff --git a/src/util/virresctrl.h b/src/util/virresctrl.h
index dcd9ca2bb2..6724d904d1 100644
--- a/src/util/virresctrl.h
+++ b/src/util/virresctrl.h
@@ -19,8 +19,8 @@
#pragma once
#include "internal.h"
+#include <glib-object.h>
-#include "virobject.h"
#include "virbitmap.h"
#include "virenum.h"
@@ -93,7 +93,9 @@ struct _virResctrlInfoMon {
unsigned int cache_level;
};
-typedef struct _virResctrlInfo virResctrlInfo;
+#define VIR_TYPE_RESCTRL_INFO vir_resctrl_info_get_type()
+G_DECLARE_FINAL_TYPE(virResctrlInfo, vir_resctrl_info, VIR, RESCTRL_INFO, GObject);
+
typedef virResctrlInfo *virResctrlInfoPtr;
virResctrlInfoPtr
@@ -111,10 +113,11 @@ virResctrlInfoGetMemoryBandwidth(virResctrlInfoPtr resctrl,
unsigned int level,
virResctrlInfoMemBWPerNodePtr control);
/* Alloc-related things */
-typedef struct _virResctrlAlloc virResctrlAlloc;
+#define VIR_TYPE_RESCTRL_ALLOC vir_resctrl_alloc_get_type()
+G_DECLARE_FINAL_TYPE(virResctrlAlloc, vir_resctrl_alloc, VIR, RESCTRL_ALLOC, GObject);
+
typedef virResctrlAlloc *virResctrlAllocPtr;
-G_DEFINE_AUTOPTR_CLEANUP_FUNC(virResctrlAlloc, virObjectUnref);
typedef int virResctrlAllocForeachCacheCallback(unsigned int level,
@@ -190,7 +193,9 @@ virResctrlInfoGetMonitorPrefix(virResctrlInfoPtr resctrl,
/* Monitor-related things */
-typedef struct _virResctrlMonitor virResctrlMonitor;
+#define VIR_TYPE_RESCTRL_MONITOR vir_resctrl_monitor_get_type()
+G_DECLARE_FINAL_TYPE(virResctrlMonitor, vir_resctrl_monitor, VIR, RESCTRL_MONITOR, GObject);
+
typedef virResctrlMonitor *virResctrlMonitorPtr;
typedef struct _virResctrlMonitorStats virResctrlMonitorStats;
diff --git a/tests/virresctrltest.c b/tests/virresctrltest.c
index bb6d0fe48e..91baef506d 100644
--- a/tests/virresctrltest.c
+++ b/tests/virresctrltest.c
@@ -21,7 +21,7 @@ test_virResctrlGetUnused(const void *opaque)
char *system_dir = NULL;
char *resctrl_dir = NULL;
int ret = -1;
- virResctrlAllocPtr alloc = NULL;
+ g_autoptr(virResctrlAlloc) alloc = NULL;
char *schemata_str = NULL;
char *schemata_file;
virCapsPtr caps = NULL;
@@ -66,7 +66,6 @@ test_virResctrlGetUnused(const void *opaque)
ret = 0;
cleanup:
virObjectUnref(caps);
- virObjectUnref(alloc);
VIR_FREE(system_dir);
VIR_FREE(resctrl_dir);
VIR_FREE(schemata_str);
--
2.26.2
More information about the libvir-list
mailing list