virsh: Add event name completion to 'pool-event' command

Signed-off-by: Lin Ma <lma@suse.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>

tools/virsh-completer.c

@@ -703,3 +703,29 @@ virshDomainEventNameCompleter(vshControl *ctl ATTRIBUTE_UNUSED,
     virStringListFree(ret);
     return NULL;
 }
+
+
+char **
+virshPoolEventNameCompleter(vshControl *ctl ATTRIBUTE_UNUSED,
+                            const vshCmd *cmd ATTRIBUTE_UNUSED,
+                            unsigned int flags)
+{
+    size_t i = 0;
+    char **ret = NULL;
+
+    virCheckFlags(0, NULL);
+
+    if (VIR_ALLOC_N(ret, VIR_STORAGE_POOL_EVENT_ID_LAST) < 0)
+        goto error;
+
+    for (i = 0; i < VIR_STORAGE_POOL_EVENT_ID_LAST; i++) {
+        if (VIR_STRDUP(ret[i], virshPoolEventCallbacks[i].name) < 0)
+            goto error;
+    }
+
+    return ret;
+
+ error:
+    virStringListFree(ret);
+    return NULL;
+}

tools/virsh-completer.h

@@ -86,4 +86,8 @@ char ** virshDomainEventNameCompleter(vshControl *ctl,
                                       const vshCmd *cmd,
                                       unsigned int flags);
 
+char ** virshPoolEventNameCompleter(vshControl *ctl,
+                                    const vshCmd *cmd,
+                                    unsigned int flags);
+
 #endif

tools/virsh-pool.c

@@ -2098,6 +2098,7 @@ static const vshCmdOptDef opts_pool_event[] = {
     },
     {.name = "event",
      .type = VSH_OT_STRING,
+     .completer = virshPoolEventNameCompleter,
      .help = N_("which event type to wait for")
     },
     {.name = "loop",