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>From c169795bed5374f0071af201da2dd32b3c5a2417 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Fri, 18 Mar 2011 15:35:27 +0100
Subject: [PATCH 17/17] spice-chardev: listen to frontend guest open / close

Note the vmc_register_interface() in spice_chr_write is left in place
in case someone uses spice-chardev with a frontend which does not have
guest open / close notification.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 spice-qemu-char.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/spice-qemu-char.c b/spice-qemu-char.c
index ed7851e..343146c 100644
--- a/spice-qemu-char.c
+++ b/spice-qemu-char.c
@@ -155,6 +155,18 @@ static void spice_chr_close(struct CharDriverState *chr)
     qemu_free(s);
 }
 
+static void spice_chr_guest_open(struct CharDriverState *chr)
+{
+    SpiceCharDriver *s = chr->opaque;
+    vmc_register_interface(s);
+}
+
+static void spice_chr_guest_close(struct CharDriverState *chr)
+{
+    SpiceCharDriver *s = chr->opaque;
+    vmc_unregister_interface(s);
+}
+
 static void print_allowed_subtypes(void)
 {
     const char** psubtype;
@@ -207,6 +219,8 @@ CharDriverState *qemu_chr_open_spice(QemuOpts *opts)
     chr->opaque = s;
     chr->chr_write = spice_chr_write;
     chr->chr_close = spice_chr_close;
+    chr->chr_guest_open = spice_chr_guest_open;
+    chr->chr_guest_close = spice_chr_guest_close;
     s->unblock_timer = qemu_new_timer(vm_clock, spice_chr_unblock, s);
 
     qemu_chr_generic_open(chr);
-- 
1.7.3.2