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[RFC,v1,04/26] char-socket: add 'reconnecting' property

Message ID 20200415005938.23895-5-alazar@bitdefender.com
State New
Headers show
Series None | expand

Commit Message

Adalbert Lazăr April 15, 2020, 12:59 a.m. UTC
This is used by the VM introspection object to check if the connection
will be reestablished in case it disconnects from some reason.

The closing of the socket is used by any of the three parties involved,
KVM, the introspection tool and QEMU (eg. on force-reset), to signal
the other parties that the session is over. As such, it is very important
that the socket will reconnect.

CC: "Marc-André Lureau" <marcandre.lureau@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com>
---
 chardev/char-socket.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
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Patch

diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index fd0106ab85..22ab242748 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -1492,6 +1492,13 @@  char_socket_get_connected(Object *obj, Error **errp)
     return s->state == TCP_CHARDEV_STATE_CONNECTED;
 }
 
+static bool char_socket_get_reconnecting(Object *obj, Error **errp)
+{
+    SocketChardev *s = SOCKET_CHARDEV(obj);
+
+    return s->reconnect_time > 0;
+}
+
 static int tcp_chr_reconnect_time(Chardev *chr, int secs)
 {
     SocketChardev *s = SOCKET_CHARDEV(chr);
@@ -1528,6 +1535,10 @@  static void char_socket_class_init(ObjectClass *oc, void *data)
 
     object_class_property_add_bool(oc, "connected", char_socket_get_connected,
                                    NULL, &error_abort);
+
+    object_class_property_add_bool(oc, "reconnecting",
+                                   char_socket_get_reconnecting,
+                                   NULL, &error_abort);
 }
 
 static const TypeInfo char_socket_type_info = {