[PATCH 28/36] lxc: convert virLXCDriverConfig to GObject

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Signed-off-by: Rafael Fonseca <r4f4rfs@xxxxxxxxx>
---
 src/lxc/lxc_conf.c    | 31 +++++++++++++-------------
 src/lxc/lxc_conf.h    | 10 +++++++--
 src/lxc/lxc_driver.c  | 51 +++++++++++++++----------------------------
 src/lxc/lxc_process.c | 33 +++++++++-------------------
 4 files changed, 51 insertions(+), 74 deletions(-)

diff --git a/src/lxc/lxc_conf.c b/src/lxc/lxc_conf.c
index cfb80eaf22..243020f9f1 100644
--- a/src/lxc/lxc_conf.c
+++ b/src/lxc/lxc_conf.c
@@ -42,19 +42,20 @@
 
 VIR_LOG_INIT("lxc.lxc_conf");
 
-static virClassPtr virLXCDriverConfigClass;
-static void virLXCDriverConfigDispose(void *obj);
+G_DEFINE_TYPE(virLXCDriverConfig, vir_lxc_driver_config, G_TYPE_OBJECT);
 
-static int virLXCConfigOnceInit(void)
-{
-    if (!VIR_CLASS_NEW(virLXCDriverConfig, virClassForObject()))
-        return -1;
+static void virLXCDriverConfigFinalize(GObject *obj);
 
-    return 0;
+static void vir_lxc_driver_config_init(virLXCDriverConfig *cfg G_GNUC_UNUSED)
+{
 }
 
-VIR_ONCE_GLOBAL_INIT(virLXCConfig);
+static void vir_lxc_driver_config_class_init(virLXCDriverConfigClass *klass)
+{
+    GObjectClass *obj = G_OBJECT_CLASS(klass);
 
+    obj->finalize = virLXCDriverConfigFinalize;
+}
 
 /* Functions */
 virCapsPtr virLXCDriverCapsInit(virLXCDriverPtr driver)
@@ -227,11 +228,7 @@ virLXCDriverConfigNew(void)
 {
     virLXCDriverConfigPtr cfg;
 
-    if (virLXCConfigInitialize() < 0)
-        return NULL;
-
-    if (!(cfg = virObjectNew(virLXCDriverConfigClass)))
-        return NULL;
+    cfg = VIR_LXC_DRIVER_CONFIG(g_object_new(VIR_TYPE_LXC_DRIVER_CONFIG, NULL));
 
     cfg->securityDefaultConfined = false;
     cfg->securityRequireConfined = false;
@@ -278,19 +275,21 @@ virLXCDriverConfigPtr virLXCDriverGetConfig(virLXCDriverPtr driver)
 {
     virLXCDriverConfigPtr cfg;
     lxcDriverLock(driver);
-    cfg = virObjectRef(driver->config);
+    cfg = g_object_ref(driver->config);
     lxcDriverUnlock(driver);
     return cfg;
 }
 
 static void
-virLXCDriverConfigDispose(void *obj)
+virLXCDriverConfigFinalize(GObject *obj)
 {
-    virLXCDriverConfigPtr cfg = obj;
+    virLXCDriverConfigPtr cfg = VIR_LXC_DRIVER_CONFIG(obj);
 
     VIR_FREE(cfg->configDir);
     VIR_FREE(cfg->autostartDir);
     VIR_FREE(cfg->stateDir);
     VIR_FREE(cfg->logDir);
     VIR_FREE(cfg->securityDriverName);
+
+    G_OBJECT_CLASS(vir_lxc_driver_config_parent_class)->finalize(obj);
 }
diff --git a/src/lxc/lxc_conf.h b/src/lxc/lxc_conf.h
index f2f0e0a570..5ed84f79c7 100644
--- a/src/lxc/lxc_conf.h
+++ b/src/lxc/lxc_conf.h
@@ -34,6 +34,7 @@
 #include "virusb.h"
 #include "virclosecallbacks.h"
 #include "virhostdev.h"
+#include <glib-object.h>
 
 #define LXC_DRIVER_NAME "LXC"
 
@@ -45,11 +46,16 @@
 typedef struct _virLXCDriver virLXCDriver;
 typedef virLXCDriver *virLXCDriverPtr;
 
-typedef struct _virLXCDriverConfig virLXCDriverConfig;
+#define VIR_TYPE_LXC_DRIVER_CONFIG vir_lxc_driver_config_get_type()
+G_DECLARE_FINAL_TYPE(virLXCDriverConfig,
+                     vir_lxc_driver_config,
+                     VIR,
+                     LXC_DRIVER_CONFIG,
+                     GObject);
 typedef virLXCDriverConfig *virLXCDriverConfigPtr;
 
 struct _virLXCDriverConfig {
-    virObject parent;
+    GObject parent;
 
     char *configDir;
     char *autostartDir;
diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 5da9ec7c58..07bc7219f1 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -400,7 +400,7 @@ lxcDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int flags)
     virDomainPtr dom = NULL;
     virObjectEventPtr event = NULL;
     virDomainDefPtr oldDef = NULL;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
     g_autoptr(virCaps) caps = NULL;
     unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE;
 
@@ -458,7 +458,6 @@ lxcDomainDefineXMLFlags(virConnectPtr conn, const char *xml, unsigned int flags)
     virDomainDefFree(oldDef);
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     return dom;
 }
 
@@ -475,7 +474,7 @@ static int lxcDomainUndefineFlags(virDomainPtr dom,
     virDomainObjPtr vm;
     virObjectEventPtr event = NULL;
     int ret = -1;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     virCheckFlags(0, -1);
 
@@ -510,7 +509,6 @@ static int lxcDomainUndefineFlags(virDomainPtr dom,
  cleanup:
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -638,7 +636,7 @@ static int lxcDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
     int ret = -1;
     virLXCDomainObjPrivatePtr priv;
     virLXCDriverPtr driver = dom->conn->privateData;
-    virLXCDriverConfigPtr cfg = NULL;
+    g_autoptr(virLXCDriverConfig) cfg = NULL;
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG |
@@ -719,7 +717,6 @@ static int lxcDomainSetMemoryFlags(virDomainPtr dom, unsigned long newmem,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -743,7 +740,7 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
     virDomainDefPtr persistentDef = NULL;
     virDomainObjPtr vm = NULL;
     virLXCDomainObjPrivatePtr priv = NULL;
-    virLXCDriverConfigPtr cfg = NULL;
+    g_autoptr(virLXCDriverConfig) cfg = NULL;
     virLXCDriverPtr driver = dom->conn->privateData;
     int ret = -1;
 
@@ -804,7 +801,6 @@ lxcDomainSetMemoryParameters(virDomainPtr dom,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -976,7 +972,7 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
     virDomainObjPtr vm;
     virObjectEventPtr event = NULL;
     int ret = -1;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     virCheckFlags(VIR_DOMAIN_START_AUTODESTROY, -1);
 
@@ -1023,7 +1019,6 @@ static int lxcDomainCreateWithFiles(virDomainPtr dom,
  cleanup:
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     virNWFilterUnlockFilterUpdates();
     return ret;
 }
@@ -1079,7 +1074,7 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
     virDomainDefPtr def = NULL;
     virDomainPtr dom = NULL;
     virObjectEventPtr event = NULL;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
     g_autoptr(virCaps) caps = NULL;
     unsigned int parse_flags = VIR_DOMAIN_DEF_PARSE_INACTIVE;
 
@@ -1150,7 +1145,6 @@ lxcDomainCreateXMLWithFiles(virConnectPtr conn,
     virDomainDefFree(def);
     virDomainObjEndAPI(&vm);
     virObjectEventStateQueue(driver->domainEventState, event);
-    virObjectUnref(cfg);
     virNWFilterUnlockFilterUpdates();
     return dom;
 }
@@ -1582,7 +1576,7 @@ static void lxcNotifyLoadDomain(virDomainObjPtr vm, int newVM, void *opaque)
 static int
 lxcStateReload(void)
 {
-    virLXCDriverConfigPtr cfg = NULL;
+    g_autoptr(virLXCDriverConfig) cfg = NULL;
 
     if (!lxc_driver)
         return 0;
@@ -1594,7 +1588,6 @@ lxcStateReload(void)
                                    cfg->autostartDir, false,
                                    lxc_driver->xmlopt,
                                    lxcNotifyLoadDomain, lxc_driver);
-    virObjectUnref(cfg);
     return 0;
 }
 
@@ -1620,7 +1613,8 @@ static int lxcStateCleanup(void)
     if (lxc_driver->lockFD != -1)
         virPidFileRelease(lxc_driver->config->stateDir, "driver", lxc_driver->lockFD);
 
-    virObjectUnref(lxc_driver->config);
+    if (lxc_driver->config)
+        g_object_unref(lxc_driver->config);
     virMutexDestroy(&lxc_driver->lock);
     VIR_FREE(lxc_driver);
 
@@ -1801,7 +1795,7 @@ lxcDomainSetSchedulerParametersFlags(virDomainPtr dom,
     int ret = -1;
     int rc;
     virLXCDomainObjPrivatePtr priv;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG, -1);
@@ -1914,7 +1908,6 @@ lxcDomainSetSchedulerParametersFlags(virDomainPtr dom,
  cleanup:
     virDomainDefFree(persistentDefCopy);
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -2239,7 +2232,7 @@ lxcDomainSetBlkioParameters(virDomainPtr dom,
     virDomainDefPtr def = NULL;
     virDomainDefPtr persistentDef = NULL;
     int ret = -1;
-    virLXCDriverConfigPtr cfg = NULL;
+    g_autoptr(virLXCDriverConfig) cfg = NULL;
     virLXCDomainObjPrivatePtr priv;
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
@@ -2304,7 +2297,6 @@ lxcDomainSetBlkioParameters(virDomainPtr dom,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -2463,7 +2455,7 @@ static int lxcDomainSetAutostart(virDomainPtr dom,
     virDomainObjPtr vm;
     char *configFile = NULL, *autostartLink = NULL;
     int ret = -1;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     if (!(vm = lxcDomObjFromDomain(dom)))
         goto cleanup;
@@ -2529,7 +2521,6 @@ static int lxcDomainSetAutostart(virDomainPtr dom,
     VIR_FREE(configFile);
     VIR_FREE(autostartLink);
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -2625,7 +2616,7 @@ static int lxcDomainSuspend(virDomainPtr dom)
     virDomainObjPtr vm;
     virObjectEventPtr event = NULL;
     int ret = -1;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     if (!(vm = lxcDomObjFromDomain(dom)))
         goto cleanup;
@@ -2662,7 +2653,6 @@ static int lxcDomainSuspend(virDomainPtr dom)
  cleanup:
     virObjectEventStateQueue(driver->domainEventState, event);
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -2674,7 +2664,7 @@ static int lxcDomainResume(virDomainPtr dom)
     int ret = -1;
     int state;
     virLXCDomainObjPrivatePtr priv;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     if (!(vm = lxcDomObjFromDomain(dom)))
         goto cleanup;
@@ -2719,7 +2709,6 @@ static int lxcDomainResume(virDomainPtr dom)
  cleanup:
     virObjectEventStateQueue(driver->domainEventState, event);
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -4297,7 +4286,7 @@ static int lxcDomainAttachDeviceFlags(virDomainPtr dom,
     virDomainDefPtr vmdef = NULL;
     virDomainDeviceDefPtr dev = NULL, dev_copy = NULL;
     int ret = -1;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG, -1);
@@ -4384,7 +4373,6 @@ static int lxcDomainAttachDeviceFlags(virDomainPtr dom,
         virDomainDeviceDefFree(dev_copy);
     virDomainDeviceDefFree(dev);
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -4406,7 +4394,7 @@ static int lxcDomainUpdateDeviceFlags(virDomainPtr dom,
     virDomainDefPtr vmdef = NULL;
     virDomainDeviceDefPtr dev = NULL;
     int ret = -1;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG, -1);
@@ -4456,7 +4444,6 @@ static int lxcDomainUpdateDeviceFlags(virDomainPtr dom,
     virDomainDefFree(vmdef);
     virDomainDeviceDefFree(dev);
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -4471,7 +4458,7 @@ static int lxcDomainDetachDeviceFlags(virDomainPtr dom,
     virDomainDefPtr vmdef = NULL;
     virDomainDeviceDefPtr dev = NULL, dev_copy = NULL;
     int ret = -1;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
                   VIR_DOMAIN_AFFECT_CONFIG, -1);
@@ -4552,7 +4539,6 @@ static int lxcDomainDetachDeviceFlags(virDomainPtr dom,
         virDomainDeviceDefFree(dev_copy);
     virDomainDeviceDefFree(dev);
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
@@ -4825,7 +4811,7 @@ lxcDomainSetMetadata(virDomainPtr dom,
 {
     virLXCDriverPtr driver = dom->conn->privateData;
     virDomainObjPtr vm;
-    virLXCDriverConfigPtr cfg = NULL;
+    g_autoptr(virLXCDriverConfig) cfg = NULL;
     int ret = -1;
 
     virCheckFlags(VIR_DOMAIN_AFFECT_LIVE |
@@ -4856,7 +4842,6 @@ lxcDomainSetMetadata(virDomainPtr dom,
 
  cleanup:
     virDomainObjEndAPI(&vm);
-    virObjectUnref(cfg);
     return ret;
 }
 
diff --git a/src/lxc/lxc_process.c b/src/lxc/lxc_process.c
index 699accc633..cacfa14094 100644
--- a/src/lxc/lxc_process.c
+++ b/src/lxc/lxc_process.c
@@ -162,7 +162,7 @@ static void virLXCProcessCleanup(virLXCDriverPtr driver,
     size_t i;
     virLXCDomainObjPrivatePtr priv = vm->privateData;
     const virNetDevVPortProfile *vport = NULL;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
     virConnectPtr conn = NULL;
 
     VIR_DEBUG("Cleanup VM name=%s pid=%d reason=%d",
@@ -257,7 +257,6 @@ static void virLXCProcessCleanup(virLXCDriverPtr driver,
     }
 
     virDomainObjRemoveTransientDef(vm);
-    virObjectUnref(cfg);
     virObjectUnref(conn);
 }
 
@@ -340,11 +339,10 @@ virLXCProcessSetupInterfaceDirect(virLXCDriverPtr driver,
                                   virDomainDefPtr def,
                                   virDomainNetDefPtr net)
 {
-    char *ret = NULL;
     char *res_ifname = NULL;
     const virNetDevBandwidth *bw;
     const virNetDevVPortProfile *prof;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
     const char *linkdev = virDomainNetGetActualDirectDev(net);
     unsigned int macvlan_create_flags = VIR_NETDEV_MACVLAN_CREATE_IFUP;
 
@@ -386,13 +384,9 @@ virLXCProcessSetupInterfaceDirect(virLXCDriverPtr driver,
             cfg->stateDir,
             NULL, 0,
             macvlan_create_flags) < 0)
-        goto cleanup;
-
-    ret = res_ifname;
+        return NULL;
 
- cleanup:
-    virObjectUnref(cfg);
-    return ret;
+    return res_ifname;
 }
 
 static const char *nsInfoLocal[VIR_LXC_DOMAIN_NAMESPACE_LAST] = {
@@ -786,7 +780,7 @@ static void virLXCProcessMonitorInitNotify(virLXCMonitorPtr mon G_GNUC_UNUSED,
 {
     virLXCDriverPtr driver = lxc_driver;
     virLXCDomainObjPrivatePtr priv;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
     ino_t inode = 0;
 
     virObjectLock(vm);
@@ -806,7 +800,6 @@ static void virLXCProcessMonitorInitNotify(virLXCMonitorPtr mon G_GNUC_UNUSED,
         VIR_WARN("Cannot update XML with PID for LXC %s", vm->def->name);
 
     virObjectUnlock(vm);
-    virObjectUnref(cfg);
 }
 
 static virLXCMonitorCallbacks monitorCallbacks = {
@@ -820,10 +813,10 @@ static virLXCMonitorPtr virLXCProcessConnectMonitor(virLXCDriverPtr driver,
                                                     virDomainObjPtr vm)
 {
     virLXCMonitorPtr monitor = NULL;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     if (virSecurityManagerSetSocketLabel(driver->securityManager, vm->def) < 0)
-        goto cleanup;
+        return NULL;
 
     /* Hold an extra reference because we can't allow 'vm' to be
      * deleted while the monitor is active. This will be unreffed
@@ -840,11 +833,8 @@ static virLXCMonitorPtr virLXCProcessConnectMonitor(virLXCDriverPtr driver,
             virObjectUnref(monitor);
             monitor = NULL;
         }
-        goto cleanup;
     }
 
- cleanup:
-    virObjectUnref(cfg);
     return monitor;
 }
 
@@ -932,7 +922,7 @@ virLXCProcessBuildControllerCmd(virLXCDriverPtr driver,
     char *filterstr;
     char *outputstr;
     virCommandPtr cmd;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
 
     cmd = virCommandNew(vm->def->emulator);
 
@@ -1013,7 +1003,6 @@ virLXCProcessBuildControllerCmd(virLXCDriverPtr driver,
     virCommandRequireHandshake(cmd);
 
  cleanup:
-    virObjectUnref(cfg);
     return cmd;
  error:
     virCommandFree(cmd);
@@ -1202,7 +1191,7 @@ int virLXCProcessStart(virConnectPtr conn,
     virLXCDomainObjPrivatePtr priv = vm->privateData;
     virCapsPtr caps = NULL;
     virErrorPtr err = NULL;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
     virCgroupPtr selfcgroup;
     int status;
     char *pidfile = NULL;
@@ -1564,7 +1553,6 @@ int virLXCProcessStart(virConnectPtr conn,
     VIR_FORCE_CLOSE(handshakefds[1]);
     VIR_FREE(pidfile);
     VIR_FREE(logfile);
-    virObjectUnref(cfg);
     if (caps)
         g_object_unref(caps);
 
@@ -1663,7 +1651,7 @@ virLXCProcessReconnectDomain(virDomainObjPtr vm,
 {
     virLXCDriverPtr driver = opaque;
     virLXCDomainObjPrivatePtr priv;
-    virLXCDriverConfigPtr cfg = virLXCDriverGetConfig(driver);
+    g_autoptr(virLXCDriverConfig) cfg = virLXCDriverGetConfig(driver);
     int ret = -1;
 
     virObjectLock(vm);
@@ -1729,7 +1717,6 @@ virLXCProcessReconnectDomain(virDomainObjPtr vm,
 
     ret = 0;
  cleanup:
-    virObjectUnref(cfg);
     virObjectUnlock(vm);
     return ret;
 
-- 
2.25.1






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