[PATCH 02/19] virsh: Add logical CPU IDs completion for nodecpustats command

[Lin Ma <lma@xxxxxxxx>]

Signed-off-by: Lin Ma <lma@xxxxxxxx>
---
 tools/virsh-completer-host.c | 35 +++++++++++++++++++++++++++++++++++
 tools/virsh-completer-host.h |  4 ++++
 tools/virsh-host.c           |  1 +
 3 files changed, 40 insertions(+)

diff --git a/tools/virsh-completer-host.c b/tools/virsh-completer-host.c
index 339390aa00..a74578d2e2 100644
--- a/tools/virsh-completer-host.c
+++ b/tools/virsh-completer-host.c
@@ -136,3 +136,38 @@ virshCellnoCompleter(vshControl *ctl,
 
     return g_steal_pointer(&tmp);
 }
+
+
+char **
+virshCpuCompleter(vshControl *ctl,
+                  const vshCmd *cmd G_GNUC_UNUSED,
+                  unsigned int flags)
+{
+    int i, cpuid = 0, cpunum, offset = 0;
+    unsigned int online;
+    g_autofree unsigned char *cpumap = NULL;
+    char **ret = NULL;
+    VIR_AUTOSTRINGLIST tmp = NULL;
+    virshControlPtr priv = ctl->privData;
+
+    virCheckFlags(0, NULL);
+
+    if ((cpunum = virNodeGetCPUMap(priv->conn, &cpumap, &online, 0)) < 0)
+        return NULL;
+
+    tmp = g_new0(char *, online + 1);
+
+    for (i = 0; i < cpunum; i++) {
+        if (VIR_CPU_USED(cpumap, cpuid) == 0) {
+            offset += 1;
+            cpuid += 1;
+            continue;
+        } else {
+            tmp[i - offset] = g_strdup_printf("%u", cpuid++);
+        }
+    }
+
+    ret = g_steal_pointer(&tmp);
+
+    return ret;
+}
diff --git a/tools/virsh-completer-host.h b/tools/virsh-completer-host.h
index 921beb7a2d..777783b908 100644
--- a/tools/virsh-completer-host.h
+++ b/tools/virsh-completer-host.h
@@ -29,3 +29,7 @@ char ** virshAllocpagesPagesizeCompleter(vshControl *ctl,
 char ** virshCellnoCompleter(vshControl *ctl,
                              const vshCmd *cmd,
                              unsigned int flags);
+
+char ** virshCpuCompleter(vshControl *ctl,
+                          const vshCmd *cmd,
+                          unsigned int flags);
diff --git a/tools/virsh-host.c b/tools/virsh-host.c
index cda2ef4ac1..4774f76ed8 100644
--- a/tools/virsh-host.c
+++ b/tools/virsh-host.c
@@ -751,6 +751,7 @@ static const vshCmdInfo info_nodecpustats[] = {
 static const vshCmdOptDef opts_node_cpustats[] = {
     {.name = "cpu",
      .type = VSH_OT_INT,
+     .completer = virshCpuCompleter,
      .help = N_("prints specified cpu statistics only.")
     },
     {.name = "percent",
-- 
2.26.0