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ui/vdagent: send empty clipboard when unhandled

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Rather than leaving the agent timing out or hanging, reply to it with an
empty result.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-15-marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2021-08-05 17:57:11 +04:00
parent d2ed2c01c2
commit 3d3f0bc3f7
2 changed files with 13 additions and 0 deletions
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1
ui/trace-events
View File

@ -129,6 +129,7 @@ xkeymap_keymap(const char *name) "keymap '%s'"
vdagent_open(void) ""
vdagent_close(void) ""
vdagent_send(const char *name) "msg %s"
vdagent_send_empty_clipboard(void) ""
vdagent_recv_chunk(uint32_t size) "size %d"
vdagent_recv_msg(const char *name, uint32_t size) "msg %s, size %d"
vdagent_peer_cap(const char *name) "cap %s"

12
ui/vdagent.c
View File

@ -375,6 +375,16 @@ static void vdagent_send_clipboard_data(VDAgentChardev *vd,
vdagent_send_msg(vd, msg);
}
static void vdagent_send_empty_clipboard_data(VDAgentChardev *vd,
QemuClipboardSelection selection,
QemuClipboardType type)
{
g_autoptr(QemuClipboardInfo) info = qemu_clipboard_info_new(&vd->cbpeer, selection);
trace_vdagent_send_empty_clipboard();
vdagent_send_clipboard_data(vd, info, type);
}
static void vdagent_clipboard_notify(Notifier *notifier, void *data)
{
VDAgentChardev *vd = container_of(notifier, VDAgentChardev, cbpeer.update);
@ -482,6 +492,8 @@ static void vdagent_clipboard_recv_request(VDAgentChardev *vd, uint8_t s, uint32
vd->cbpending[s] |= (1 << type);
qemu_clipboard_request(info, type);
}
} else {
vdagent_send_empty_clipboard_data(vd, s, type);
}
}