From 1b413f5db557ea8ca85dbfe5d867f37542b51473 Mon Sep 17 00:00:00 2001
From: kraxel <kraxel>
Date: Thu, 30 Aug 2007 13:14:59 +0000
Subject: fix libvirt polling

---
 xenscreen.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/xenscreen.c b/xenscreen.c
index 1e783f9..d77c96d 100644
--- a/xenscreen.c
+++ b/xenscreen.c
@@ -33,6 +33,7 @@ struct dom {
     char               tty[BUFSIZE];
     int                connected;
     int                destroyed;
+    int                watched;
     struct list_head   next;
 };
 static LIST_HEAD(doms);
@@ -287,7 +288,13 @@ static void libvirt_scan(virConnectPtr conn, int boot)
 	if (dom) {
 	    /* have it */
 	    dom->destroyed = 0;
-	    continue;
+	    if (dom->connected)
+		continue;
+	    /* try again a few times in case we have no tty,
+	     * it may show up a little later ... */
+	    if (dom->watched > 8)
+		continue;
+	    dom->watched++;
 	}
 	/* new one */
 	vdom = virDomainLookupByID(conn, ids[i]);
@@ -295,11 +302,13 @@ static void libvirt_scan(virConnectPtr conn, int boot)
 	xml  = virDomainGetXMLDesc(vdom, 0);
 	if (!name || !xml)
 	    continue;
+	// fprintf(stderr, "\n-- xmldesc --\n%s\n--\n", xml);
 	dom = get_dom(ids[i]);
 	snprintf(dom->name, sizeof(dom->name), "%s", name);
 	libvirt_xml_xpath_str(xml, "string(/domain/devices/console/@tty)",
 			      dom->tty, sizeof(dom->tty));
-	fprintf(stderr, "libvirt debug: %s: tty=\"%s\"\n", dom->name, dom->tty);
+	fprintf(stderr, "[ libvirt poll debug: %s (%d): tty=\"%s\" ]\n",
+		dom->name, dom->watched, dom->tty);
 	try_attach_domain(dom, boot);
     }
     free(ids);
-- 
cgit