[dbus PATCH] Implement SetGuestVcpus method for Domain Interface

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Signed-off-by: Katerina Koukiou <kkoukiou@xxxxxxxxxx>
---
 data/org.libvirt.Domain.xml |  7 +++++
 src/domain.c                | 62 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)

diff --git a/data/org.libvirt.Domain.xml b/data/org.libvirt.Domain.xml
index db43b1c..eae6d97 100644
--- a/data/org.libvirt.Domain.xml
+++ b/data/org.libvirt.Domain.xml
@@ -463,6 +463,13 @@
       <arg name="params" type="a{sv}" direction="in"/>
       <arg name="flags" type="u" direction="in"/>
     </method>
+    <method name="SetGuestVcpus">
+      <annotation name="org.gtk.GDBus.DocString"
+          value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainSetGuestVcpus"/>
+      <arg name="vcpumap" type="ab" direction="in"/>
+      <arg name="state" type="i" direction="in"/>
+      <arg name="flags" type="u" direction="in"/>
+    </method>
     <method name="SetInterfaceParameters">
       <annotation name="org.gtk.GDBus.DocString"
         value="See https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainSetInterfaceParameters"/>
diff --git a/src/domain.c b/src/domain.c
index e305fa3..bbc4ead 100644
--- a/src/domain.c
+++ b/src/domain.c
@@ -72,6 +72,39 @@ VIRT_DBUS_ENUM_IMPL(virtDBusDomainMetadata,
                     "title",
                     "element")
 
+static gchar *
+virtDBusDomainConvertBoolArrayToGuestVcpumap(GVariantIter *iter)
+{
+    g_autoptr(GVariantIter) tmpIter = NULL;
+    gboolean set;
+    gint intervalCnt = 0;
+    guint intervalStart = 0;
+    gboolean setPrev = 0;
+    g_autofree GString *ret = NULL;
+
+    ret = g_string_new("");
+    for (guint i = 0; ; i++) {
+        gboolean next = g_variant_iter_loop(iter, "b", &set);
+
+        if (set && !setPrev)
+            intervalStart = i;
+        else if ((!set && setPrev) || next) {
+            if (intervalCnt > 0)
+                g_string_append_printf(ret, ",");
+            if (intervalStart != i - 1)
+                g_string_append_printf(ret, "%d-%d", intervalStart, i - 1);
+            else
+                g_string_append_printf(ret, "%d", intervalStart);
+            intervalCnt++;
+        }
+        setPrev = set;
+        if (!next)
+            break;
+    }
+
+    return ret->str;
+}
+
 struct _virtDBusDomainFSInfoList {
     virDomainFSInfoPtr *info;
     gint count;
@@ -2490,6 +2523,34 @@ virtDBusDomainSetBlockIOTune(GVariant *inArgs,
     }
 }
 
+static void
+virtDBusDomainSetGuestVcpus(GVariant *inArgs,
+                            GUnixFDList *inFDs G_GNUC_UNUSED,
+                            const gchar *objectPath,
+                            gpointer userData,
+                            GVariant **outArgs G_GNUC_UNUSED,
+                            GUnixFDList **outFDs G_GNUC_UNUSED,
+                            GError **error)
+{
+    virtDBusConnect *connect = userData;
+    g_autoptr(virDomain) domain = NULL;
+    g_autoptr(GVariantIter) iter = NULL;
+    gint state;
+    guint flags;
+    g_autofree gchar *ret = NULL;
+
+    g_variant_get(inArgs, "(abiu)", &iter, &state, &flags);
+
+    domain = virtDBusDomainGetVirDomain(connect, objectPath, error);
+    if (!domain)
+        return;
+
+    ret = virtDBusDomainConvertBoolArrayToGuestVcpumap(iter);
+
+    if (virDomainSetGuestVcpus(domain, ret, state, flags) < 0)
+        virtDBusUtilSetLastVirtError(error);
+}
+
 static void
 virtDBusDomainSetInterfaceParameters(GVariant *inArgs,
                                      GUnixFDList *inFDs G_GNUC_UNUSED,
@@ -2988,6 +3049,7 @@ static virtDBusGDBusMethodTable virtDBusDomainMethodTable[] = {
     { "SendProcessSignal", virtDBusDomainSendProcessSignal },
     { "SetBlkioParameters", virtDBusDomainSetBlkioParameters },
     { "SetBlockIOTune", virtDBusDomainSetBlockIOTune },
+    { "SetGuestVcpus", virtDBusDomainSetGuestVcpus },
     { "SetInterfaceParameters", virtDBusDomainSetInterfaceParameters },
     { "SetVcpus", virtDBusDomainSetVcpus },
     { "SetMemory", virtDBusDomainSetMemory },
-- 
2.15.0

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