[PATCH 09/12] virsh: Enable multiple --event flags to 'event' command

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Signed-off-by: Lin Ma <lma@xxxxxxxx>
---
 tools/virsh-domain.c | 76 +++++++++++++++++++++++++++-------------------------
 1 file changed, 39 insertions(+), 37 deletions(-)

diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
index 89aefbf86a..b35c9adaaa 100644
--- a/tools/virsh-domain.c
+++ b/tools/virsh-domain.c
@@ -13347,10 +13347,6 @@ static const vshCmdInfo info_event[] = {
 static const vshCmdOptDef opts_event[] = {
     VIRSH_COMMON_OPT_DOMAIN_OT_STRING(N_("filter by domain name, id or uuid"),
                                       0),
-    {.name = "event",
-     .type = VSH_OT_STRING,
-     .help = N_("which event type to wait for")
-    },
     {.name = "all",
      .type = VSH_OT_BOOL,
      .help = N_("wait for all events instead of just one type")
@@ -13371,6 +13367,10 @@ static const vshCmdOptDef opts_event[] = {
      .type = VSH_OT_BOOL,
      .help = N_("show timestamp for each printed event")
     },
+    {.name = "event",
+     .type = VSH_OT_ARGV,
+     .help = N_("which event type to wait for")
+    },
     {.name = NULL}
 };
 
@@ -13382,12 +13382,14 @@ cmdEvent(vshControl *ctl, const vshCmd *cmd)
     int timeout = 0;
     virshDomEventData *data = NULL;
     size_t i;
-    const char *eventName = NULL;
+    int *eventIdxList = NULL;
+    size_t nevents = 0;
     int event = -1;
     bool all = vshCommandOptBool(cmd, "all");
     bool loop = vshCommandOptBool(cmd, "loop");
     bool timestamp = vshCommandOptBool(cmd, "timestamp");
     int count = 0;
+    const vshCmdOpt *opt = NULL;
     virshControlPtr priv = ctl->privData;
 
     if (vshCommandOptBool(cmd, "list")) {
@@ -13396,15 +13398,25 @@ cmdEvent(vshControl *ctl, const vshCmd *cmd)
         return true;
     }
 
-    if (vshCommandOptStringReq(ctl, cmd, "event", &eventName) < 0)
-        return false;
-    if (eventName) {
-        for (event = 0; event < VIR_DOMAIN_EVENT_ID_LAST; event++)
-            if (STREQ(eventName, vshEventCallbacks[event].name))
-                break;
-        if (event == VIR_DOMAIN_EVENT_ID_LAST) {
-            vshError(ctl, _("unknown event type %s"), eventName);
-            return false;
+    if (vshCommandOptBool(cmd, "event")) {
+        if (VIR_ALLOC_N(eventIdxList, 1) < 0)
+            goto cleanup;
+        nevents = 1;
+        while ((opt = vshCommandOptArgv(ctl, cmd, opt))) {
+            if (opt->data) {
+                for (event = 0; event < VIR_DOMAIN_EVENT_ID_LAST; event++)
+                    if (STREQ(opt->data, vshEventCallbacks[event].name))
+                        break;
+                if (event == VIR_DOMAIN_EVENT_ID_LAST) {
+                    vshError(ctl, _("unknown event type %s"), opt->data);
+                    return false;
+                }
+                if (VIR_INSERT_ELEMENT(eventIdxList,
+                                       nevents - 1,
+                                       nevents,
+                                       event) < 0)
+                    goto cleanup;
+            }
         }
     } else if (!all) {
         vshError(ctl, "%s",
@@ -13412,26 +13424,15 @@ cmdEvent(vshControl *ctl, const vshCmd *cmd)
         return false;
     }
 
-    if (all) {
-        if (VIR_ALLOC_N(data, VIR_DOMAIN_EVENT_ID_LAST) < 0)
-            goto cleanup;
-        for (i = 0; i < VIR_DOMAIN_EVENT_ID_LAST; i++) {
-            data[i].ctl = ctl;
-            data[i].loop = loop;
-            data[i].count = &count;
-            data[i].timestamp = timestamp;
-            data[i].cb = &vshEventCallbacks[i];
-            data[i].id = -1;
-        }
-    } else {
-        if (VIR_ALLOC_N(data, 1) < 0)
-            goto cleanup;
-        data[0].ctl = ctl;
-        data[0].loop = vshCommandOptBool(cmd, "loop");
-        data[0].count = &count;
-        data[0].timestamp = timestamp;
-        data[0].cb = &vshEventCallbacks[event];
-        data[0].id = -1;
+    if (VIR_ALLOC_N(data, all ? VIR_DOMAIN_EVENT_ID_LAST : nevents - 1) < 0)
+        goto cleanup;
+    for (i = 0; i < (all ? VIR_DOMAIN_EVENT_ID_LAST : nevents - 1); i++) {
+        data[i].ctl = ctl;
+        data[i].loop = loop;
+        data[i].count = &count;
+        data[i].timestamp = timestamp;
+        data[i].cb = &vshEventCallbacks[all ? i : eventIdxList[i]];
+        data[i].id = -1;
     }
     if (vshCommandOptTimeoutToMs(ctl, cmd, &timeout) < 0)
         goto cleanup;
@@ -13441,9 +13442,9 @@ cmdEvent(vshControl *ctl, const vshCmd *cmd)
     if (vshEventStart(ctl, timeout) < 0)
         goto cleanup;
 
-    for (i = 0; i < (all ? VIR_DOMAIN_EVENT_ID_LAST : 1); i++) {
+    for (i = 0; i < (all ? VIR_DOMAIN_EVENT_ID_LAST : nevents - 1); i++) {
         if ((data[i].id = virConnectDomainEventRegisterAny(priv->conn, dom,
-                                                           all ? i : event,
+                                                           all ? i : eventIdxList[i],
                                                            data[i].cb->cb,
                                                            &data[i],
                                                            NULL)) < 0) {
@@ -13476,13 +13477,14 @@ cmdEvent(vshControl *ctl, const vshCmd *cmd)
  cleanup:
     vshEventCleanup(ctl);
     if (data) {
-        for (i = 0; i < (all ? VIR_DOMAIN_EVENT_ID_LAST : 1); i++) {
+        for (i = 0; i < (all ? VIR_DOMAIN_EVENT_ID_LAST : nevents - 1); i++) {
             if (data[i].id >= 0 &&
                 virConnectDomainEventDeregisterAny(priv->conn, data[i].id) < 0)
                 ret = false;
         }
         VIR_FREE(data);
     }
+    VIR_FREE(eventIdxList);
     virshDomainFree(dom);
     return ret;
 }
-- 
2.15.1

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