From dc2c4f84351c55f42a046d822e5142b22155a8b8 Mon Sep 17 00:00:00 2001
From: Cole Robinson <crobinso@redhat.com>
Date: Sun, 14 Jul 2019 12:11:06 -0400
Subject: [PATCH] conf: Add virNetworkXMLOption

Just a stub for now that is unused. Add init+cleanup plumbing and
demostrate it in bridge_driver.c

Reviewed-by: Laine Stump <laine@laine.org>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
---
 src/conf/network_conf.c              | 33 ++++++++++++++++++++++++++++
 src/conf/network_conf.h              | 11 ++++++++++
 src/libvirt_private.syms             |  1 +
 src/network/bridge_driver.c          | 10 +++++++++
 src/network/bridge_driver_platform.h |  2 ++
 5 files changed, 57 insertions(+)

diff --git a/src/conf/network_conf.c b/src/conf/network_conf.c
index 09e379ae9a..ca4b9986ad 100644
--- a/src/conf/network_conf.c
+++ b/src/conf/network_conf.c
@@ -73,6 +73,39 @@ VIR_ENUM_IMPL(virNetworkTaint,
               "hook-script",
 );
 
+static virClassPtr virNetworkXMLOptionClass;
+
+static void
+virNetworkXMLOptionDispose(void *obj ATTRIBUTE_UNUSED)
+{
+    return;
+}
+
+static int
+virNetworkXMLOnceInit(void)
+{
+    if (!VIR_CLASS_NEW(virNetworkXMLOption, virClassForObject()))
+        return -1;
+
+    return 0;
+}
+
+VIR_ONCE_GLOBAL_INIT(virNetworkXML);
+
+virNetworkXMLOptionPtr
+virNetworkXMLOptionNew(void)
+{
+    virNetworkXMLOptionPtr xmlopt;
+
+    if (virNetworkXMLInitialize() < 0)
+        return NULL;
+
+    if (!(xmlopt = virObjectNew(virNetworkXMLOptionClass)))
+        return NULL;
+
+    return xmlopt;
+}
+
 static void
 virPortGroupDefClear(virPortGroupDefPtr def)
 {
diff --git a/src/conf/network_conf.h b/src/conf/network_conf.h
index 424c4b0913..edd9f51f44 100644
--- a/src/conf/network_conf.h
+++ b/src/conf/network_conf.h
@@ -41,6 +41,14 @@
 #include "virmacmap.h"
 #include "virenum.h"
 
+
+struct _virNetworkXMLOption {
+    virObject parent;
+};
+typedef struct _virNetworkXMLOption virNetworkXMLOption;
+typedef virNetworkXMLOption *virNetworkXMLOptionPtr;
+
+
 typedef enum {
     VIR_NETWORK_FORWARD_NONE   = 0,
     VIR_NETWORK_FORWARD_NAT,
@@ -289,6 +297,9 @@ enum {
     VIR_NETWORK_OBJ_LIST_ADD_CHECK_LIVE = (1 << 1),
 };
 
+virNetworkXMLOptionPtr
+virNetworkXMLOptionNew(void);
+
 virNetworkDefPtr
 virNetworkDefCopy(virNetworkDefPtr def, unsigned int flags);
 
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 4e77cf53ea..9640e91eaa 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -730,6 +730,7 @@ virNetworkSaveConfig;
 virNetworkSetBridgeMacAddr;
 virNetworkTaintTypeFromString;
 virNetworkTaintTypeToString;
+virNetworkXMLOptionNew;
 virPortGroupFindByName;
 
 
diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 6292e3b90a..5be6f1ba45 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -136,6 +136,12 @@ networkDnsmasqCapsRefresh(virNetworkDriverStatePtr driver)
     return 0;
 }
 
+static virNetworkXMLOptionPtr
+networkDnsmasqCreateXMLConf(void)
+{
+    return virNetworkXMLOptionNew();
+}
+
 
 static int
 networkStateCleanup(void);
@@ -605,6 +611,9 @@ networkStateInitialize(bool privileged,
 
     network_driver->privileged = privileged;
 
+    if (!(network_driver->xmlopt = networkDnsmasqCreateXMLConf()))
+        goto error;
+
     /* configuration/state paths are one of
      * ~/.config/libvirt/... (session/unprivileged)
      * /etc/libvirt/... && /var/(run|lib)/libvirt/... (system/privileged).
@@ -766,6 +775,7 @@ networkStateCleanup(void)
         return -1;
 
     virObjectUnref(network_driver->networkEventState);
+    virObjectUnref(network_driver->xmlopt);
 
     /* free inactive networks */
     virObjectUnref(network_driver->networks);
diff --git a/src/network/bridge_driver_platform.h b/src/network/bridge_driver_platform.h
index 95993c5e31..169417a6c0 100644
--- a/src/network/bridge_driver_platform.h
+++ b/src/network/bridge_driver_platform.h
@@ -55,6 +55,8 @@ struct _virNetworkDriverState {
 
     /* Immutable pointer, self-locking APIs */
     virObjectEventStatePtr networkEventState;
+
+    virNetworkXMLOptionPtr xmlopt;
 };
 
 typedef struct _virNetworkDriverState virNetworkDriverState;