qemu: monitor: Extract internals of qemuMonitorJSONBlockGetNamedNodeData

For testing purposes it will be beneficial to be able to parse the data
from JSON directly rather than trying to simulate the monitor. Extract
the worker bits and export them.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>

src/qemu/qemu_monitor_json.c

@@ -2988,14 +2988,10 @@ qemuMonitorJSONBlockGetNamedNodeDataWorker(size_t pos G_GNUC_UNUSED,
 
 
 virHashTablePtr
-qemuMonitorJSONBlockGetNamedNodeData(qemuMonitorPtr mon)
+qemuMonitorJSONBlockGetNamedNodeDataJSON(virJSONValuePtr nodes)
 {
-    g_autoptr(virJSONValue) nodes = NULL;
     g_autoptr(virHashTable) ret = NULL;
 
-    if (!(nodes = qemuMonitorJSONQueryNamedBlockNodes(mon)))
-        return NULL;
-
     if (!(ret = virHashNew((virHashDataFree) qemuMonitorJSONBlockNamedNodeDataFree)))
         return NULL;
 
@@ -3008,6 +3004,18 @@ qemuMonitorJSONBlockGetNamedNodeData(qemuMonitorPtr mon)
 }
 
 
+virHashTablePtr
+qemuMonitorJSONBlockGetNamedNodeData(qemuMonitorPtr mon)
+{
+    g_autoptr(virJSONValue) nodes = NULL;
+
+    if (!(nodes = qemuMonitorJSONQueryNamedBlockNodes(mon)))
+        return NULL;
+
+    return qemuMonitorJSONBlockGetNamedNodeDataJSON(nodes);
+}
+
+
 int qemuMonitorJSONBlockResize(qemuMonitorPtr mon,
                                const char *device,
                                const char *nodename,

src/qemu/qemu_monitor_json.h

@@ -87,6 +87,9 @@ int qemuMonitorJSONBlockStatsUpdateCapacity(qemuMonitorPtr mon,
 int qemuMonitorJSONBlockStatsUpdateCapacityBlockdev(qemuMonitorPtr mon,
                                                     virHashTablePtr stats);
 
+virHashTablePtr
+qemuMonitorJSONBlockGetNamedNodeDataJSON(virJSONValuePtr nodes);
+
 virHashTablePtr
 qemuMonitorJSONBlockGetNamedNodeData(qemuMonitorPtr mon);