Currently the QIOTaskFunc signature takes an Object * for
the source, and an Error * for any error. We also need to
be able to provide a result pointer. Rather than continue
to add parameters to QIOTaskFunc, remove the existing
ones and simply pass the QIOTask object instead. This
has methods to access all the other data items required
in the callback impl.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Cc: Stefan Weil <sw@weilnetz.de>
Cc: Samuel Thibault <samuel.thibault@gnu.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-id: 1484295285-8809-1-git-send-email-kraxel@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
With "ps2: use QEMU qcodes instead of scancodes", key handling was
changed to qcode base. But all scancodes are not converted to new one.
This adds some missing qcodes/scancodes what I found in using.
[set1 and set3 are from <hpoussin@reactos.org>]
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
For builds with Mingw-w64 as it is included in Cygwin, there are two
header files which define KEY_EVENT with different values.
This results in lots of compiler warnings like this one:
CC vl.o
In file included from /qemu/include/ui/console.h:340:0,
from /qemu/vl.c:76:
/usr/i686-w64-mingw32/sys-root/mingw/include/curses.h:1522:0: warning: "KEY_EVENT" redefined
#define KEY_EVENT 0633 /* We were interrupted by an event */
In file included from /usr/share/mingw-w64/include/windows.h:74:0,
from /usr/share/mingw-w64/include/winsock2.h:23,
from /qemu/include/sysemu/os-win32.h:29,
from /qemu/include/qemu/osdep.h:100,
from /qemu/vl.c:24:
/usr/share/mingw-w64/include/wincon.h:101:0: note: this is the location of the previous definition
#define KEY_EVENT 0x1
QEMU only uses the KEY_EVENT macro from wincon.h.
Therefore we can undefine the macro coming from curses.h.
The explicit include statement for curses.h in ui/curses.c is not needed
and was removed.
Those two modifications fix the redefinition warnings.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20161119185318.10564-1-sw@weilnetz.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
If the buffer is not big enough, snprintf() does not return the number
of bytes that have been written to the buffer, but the number of bytes
that would be needed for writing the whole string. By using this value
for the following vnc_write() calls, we send some junk at the end of
the name in case the qemu_name is longer than 1017 bytes, which could
confuse the VNC clients. Fix this by adding an additional size check
here.
Buglink: https://bugs.launchpad.net/qemu/+bug/1637447
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1479749115-21932-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
When too many consoles are created, vcs[] may be write out-of-bounds.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20161207105511.25173-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The relicense permits sharing the code with Spice which
is LGPL.
All people listed below have agreed to the
relicense:
- Arei Gonglei;
- Cole Robinson;
- Gerd Hoffmann;
- Peter Maydell.
Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Cole Robinson <crobinso@redhat.com>
Acked-by: Gonglei <arei.gonglei@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20161208104539.3045-1-fziglio@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This uses the console API to record the window ID of the SDL2 windows.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20161221003806.22412-4-samuel.thibault@ens-lyon.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This moves the SDL bits for window ID from the baum driver to SDL, as
well as fixing the build for non-X11.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20161221003806.22412-3-samuel.thibault@ens-lyon.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This adds two console functions, qemu_console_set_window_id and
qemu_graphic_console_get_window_id, to let graphical backend record the
window id in the QemuConsole structure, and let the baum driver read it.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20161221003806.22412-2-samuel.thibault@ens-lyon.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Wayland always uses evdev as its input source, so QEMU
can use the existing evdev keymap data
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Tested-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20161201094117.16407-1-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch fixes a segfault at QEMU startup, introduced in a08156321a.
gd_vc_find_current() return NULL, which is dereferenced without checking it.
While at it, disable the whole 'View' menu if no console exists.
Reproducer: qemu-system-i386 -M none -nodefaults
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1483263585-8101-1-git-send-email-hpoussin@reactos.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The "Copy" menu item copies VTE terminal text to the clipboard. This
only works with VTE terminals, not with graphics consoles.
Disable the menu item when the current notebook page isn't a VTE
terminal.
This patch fixes a segfault. Reproducer: Start QEMU and click the Copy
menu item when the guest display is visible.
Reported-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20161214142518.10504-1-stefanha@redhat.com
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
GDK_KEY_Delete is only defined with gtk version 2.22 and newer,
on older versions this key was called GDK_Delete instead.
Since this is the case for all GDK_KEY_* defines, change the
already existing preprocessor check there to test for version 2.22,
so we know that we can remove this code block in case we require
that version as a minimum one day.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1478081328-25515-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Merge remote-tracking branch 'remotes/berrange/tags/pull-qio-2016-10-27-1' into staging
Merge qio 2016/10/27 v1
# gpg: Signature made Thu 27 Oct 2016 13:54:03 BST
# gpg: using RSA key 0xBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg: aka "Daniel P. Berrange <berrange@redhat.com>"
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E 8E3F BE86 EBB4 1510 4FDF
* remotes/berrange/tags/pull-qio-2016-10-27-1:
main: set names for main loop sources created
vnc: set name for all I/O channels created
migration: set name for all I/O channels created
char: set name for all I/O channels created
nbd: set name for all I/O channels created
io: add ability to set a name for IO channels
io: Add a QIOChannelSocket cleanup test
io: set LISTEN flag explicitly for listen sockets
io: Introduce a qio_channel_set_feature() helper
io: Use qio_channel_has_feature() where applicable
io: Fix double shift usages on QIOChannel features
Conflicts:
qemu-char.c
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In default VGA font, left/right arrow are glyphs 0x1a and 0x1b, not 0x0a and
0x0b.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20161015195308.20473-2-samuel.thibault@ens-lyon.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
GTK generates key events for the delete key with key->string[0] = 0x7f
... but this does not work right with the readline_handle_byte()
function in util/readline.c, since this treats the keycode 127 as
backspace. So let's add a special case for the GTK delete key to make
this key behave right in the monitor interface of the GTK ui.
Buglink: https://bugs.launchpad.net/qemu/+bug/1619438
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1477570647-7100-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
gdk_screen_get_width() is deprecated since gtk 3.22.2, use
gdk_monitor_get_geometry() instead if it's available.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: 20161026152108.12364-1-berto@igalia.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Ensure that all I/O channels created for VNC are given names
to distinguish their respective roles.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
It's only used in qmp_chardev_add(), so use a create() argument instead.
Also switched to typedef functions for CharDriverParse/CharDriverCreate.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022100951.19562-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Since the hanlders are associated with a CharBackend, rather than the
CharDriverState, it is more appropriate to store in CharBackend. This
avoids the handler copy dance in qemu_chr_fe_set_handlers() then
mux_chr_update_read_handler(), by storing the CharBackend pointer
directly.
Also a mux CharDriver should go through mux->backends[focused], since
chr->be will stay NULL. Before that, it was possible to call
chr->handler by mistake with surprising results, for ex through
qemu_chr_be_can_write(), which would result in calling the last set
handler front end, not the one with focus.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022095318.17775-22-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The CharDriverState.init() callback is no longer set since commit
a61ae7f88c and thus unused. The only user, the malta FGPA display has
been converted to use an event "opened" callback instead.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022095318.17775-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It can't guarantee all cipher modes are supported
if one cipher algorithm is supported by a backend.
Let's extend qcrypto_cipher_supports() to take both
the algorithm and mode as parameters.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Query input device keys, initialize state accordingly, so the correct
state is reflected in case any key is pressed at initialization time.
There is a high chance for this to actually happen for the 'enter' key
in case you start qemu with a terminal command (directly or virsh).
When finding any pressed keys the input grab is delayed until all keys
are lifted, to avoid confusing guest and host with appearently stuck
keys.
Reported-by: Muted Bytes <mutedbytes@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1476277384-30365-1-git-send-email-kraxel@redhat.com
Rename the vnc_init_state method to reflect what its actual
purpose is, to discourage future devs from using it for more
general state initialization.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-10-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Most of the fields in VncState are initialized in the
vnc_connect() method, but some are done in vnc_init_state()
instead.
The purpose of having vnc_init_state() is to delay starting
of the VNC wire protocol until after the websockets handshake
has completed. As such the vnc_init_state() method only needs
to be used for initialization that is dependant on the wire
protocol running.
This also lets us get rid of the initialized boolean flag
from the VncState struct.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-9-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The vnc_init_state method calls reset_keys() to reset the
modifier key state. This was originally added in
commit 53762ddb27
Author: malc <malc@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Mon Dec 1 20:57:52 2008 +0000
Reset the key modifiers upon client connect
This was valid at this time because there was only the
single VncState object which was persistent across client
connections and so needed resetting.
The persistent data was later split off into VncDisplay
and VncState was allocated at time of client connection:
commit 753b405331
Author: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Mon Feb 16 14:59:30 2009 +0000
Support multiple VNC clients (Brian Kress)
at which point the modifier state is always 0 due to
use of g_new0. As such the reset_keys() call has been
a no-op ever since.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-8-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Just before accepting a new client connection the vnc_listen_io
method calls graphic_hw_update(). This is bogus because there
is a call to this method already in vnc_state_init() and the
client doesn't need up2date graphics console before reaching
that.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-7-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
There is a lot of repeated code in the auth type setup method,
particularly around checking TLS credential types. Refactor
it to reduce duplication and instead of having one method
do both plain and websockets at once, call it separately
for each.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-6-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Normally code declares 'VncDisplay *vd' or 'VncState *vs'
but there are a bunch of places which misleadingly declare
'VncDisplay *vs'.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-5-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The 'ws_tls' field in VncState is only ever representing
the result of 'tlscreds != NULL' and is thus pointless.
Replace use of 'ws_tls' with a direct check against
'tlscreds'
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-4-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The 'ws_enabled' field is never used outside of the
vnc_display_open method, so can be a local variable.
The 'enabled' field is easily replaced by a check
for whether 'lsock' is non-NULL.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-3-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The last line in vnc_init_state() says
/* vs might be free()ed here */
This was added in
commit 198a0039c5
Author: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue Jun 16 14:19:48 2009 +0200
vnc: rework VncState release workflow.
because the preceeding 'vnc_update_client()' could indeed
release the VncState instance.
The call to vnc_update_client() was removed not long after
though in
commit 1fc624122f
Author: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Mon Aug 3 10:54:32 2009 +0100
single vnc server surface
and so the comment has been wrong ever since
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475163940-26094-2-git-send-email-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Merge what is left of qemu-tech into the main manual as an appendix.
Ultimately we should have a new internals manual built from docs/, and
then the "Translator Internals" parts of qemu-tech could move to docs/
as well. The bits on limitation and features of CPU emulation should
remain in qemu-doc.
Reviewed-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When enabling the sanitizer build it will complain about control
reaching a non-void function. Normally the compiler should detect that
there is only one possible exit given a static VNC_SERVER_FB_BYTES.
As we always expect a static VNC_SERVER_FB_BYTES I've added a compile
time assert and just called the sub-function directly.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This switches over spice (in opengl mode) to render DisplaySurface
updates into a opengl texture, using the helper functions in
ui/console-gl.c. With this patch applied spice (with gl=on) will
stop using qxl rendering ops, it will use dma-buf passing all the
time, i.e. for bios/bootloader (before virtio-gpu driver is loaded)
too.
This should improve performance even using spice (with gl=on) with
non-accelerated stdvga because we stop squeezing all display updates
through a unix/tcp socket and basically using a shared memory transport
instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1474617028-3979-3-git-send-email-kraxel@redhat.com
Keep track of gl_block state (added in bba19b8 console: block rendering
until client is done) in QemuConsole and allow to query it. This way
we can avoid state inconsistencies in case different code paths make use
of this.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1474617028-3979-2-git-send-email-kraxel@redhat.com
virtio-gpu does a set-scanout at each frame (it might be a driver
regression). qemu_console_resize() recreate a surface even if the size
didn't change, and this shows up in profiling reports because the
surface is cleared. With this patch, I get a +15-20% glmark2
improvement.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20160826094711.14470-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches
# gpg: Signature made Fri 23 Sep 2016 12:59:46 BST
# gpg: using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream: (33 commits)
block: Remove BB interface from blockdev-add/del
qemu-iotests/141: Avoid blockdev-add with id
block: Avoid printing NULL string in error messages
qemu-iotests/139: Avoid blockdev-add with id
qemu-iotests/124: Avoid blockdev-add with id
qemu-iotests/118: Avoid blockdev-add with id
qemu-iotests/117: Avoid blockdev-add with id
qemu-iotests/087: Avoid blockdev-add with id
qemu-iotests/081: Avoid blockdev-add with id
qemu-iotests/071: Avoid blockdev-add with id
qemu-iotests/067: Avoid blockdev-add with id
qemu-iotests/041: Avoid blockdev-add with id
qemu-iotests/118: Test media change with qdev name
block: Accept device model name for block_set_io_throttle
block: Accept device model name for blockdev-change-medium
block: Accept device model name for eject
block: Accept device model name for x-blockdev-remove-medium
block: Accept device model name for x-blockdev-insert-medium
block: Accept device model name for blockdev-open/close-tray
qdev-monitor: Add blk_by_qdev_id()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In order to remove the need for BlockBackend names in the external API,
we want to allow qdev device names in all device related commands.
This converts blockdev-change-medium to accept a qdev device name.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
In order to remove the need for BlockBackend names in the external API,
we want to allow qdev device names in all device related commands.
This converts eject to accept a qdev device name.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Update all qemu_uuid users as well, especially get rid of the duplicated
low level g_strdup_printf, sscanf and snprintf calls with QEMU UUID API.
Since qemu_uuid_parse is quite tangled with qemu_uuid, its switching to
QemuUUID is done here too to keep everything in sync and avoid code
churn.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-Id: <1474432046-325-10-git-send-email-famz@redhat.com>
In the QEMU monitor pane of the gtk user interface, the backspace
key is not working at all. This happens because of a missing mapping
of the key in the qcode_to_keysym[] table. Thus let's add an entry
there to get the backspace key working again.
Buglink: https://bugs.launchpad.net/qemu/+bug/1611979
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
The about dialog in QEMU on Mac OS X is very plain and unhelpful. This patch
makes the about dialog look a lot better and have some descriptive information
on what version of QEMU the user is running.
Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: ED59936E-3EB2-46AB-9E33-AB26E382B884@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Coverity identifies that at the top of the while(1) loop
in curses_refresh() the variable nextchr is always ERR,
and so the else case of the first if() is dead code.
Remove this dead code, and narrow the scope of the
nextchr variable to the place where it's used.
(This confused logic has been present since the curses
code was added to QEMU in 2008.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1470925407-23850-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Coverity spots that there is no bounds check before we
access the curses2qemu[] array. Add one, bringing this
code path into line with the one that looks up entries
in curses2keysym[].
In theory getch() shouldn't return out of range keycodes,
but it's better not to assume this.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1470925407-23850-2-git-send-email-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
In previous commit
commit c7628bff41
Author: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri Oct 30 12:10:09 2015 +0100
vnc: only alloc server surface with clients connected
the VNC server was changed so that the 'vd->server' pixman
image was only allocated when a client is connected.
Since then if a client disconnects and then reconnects to
the VNC server all they will see is a black screen until
they do something that triggers a refresh. On a graphical
desktop this is not often noticed since there's many things
going on which cause a refresh. On a plain text console it
is really obvious since nothing refreshes frequently.
The problem is that the VNC server didn't update the guest
dirty bitmap, so still believes its server image is in sync
with the guest contents.
To fix this we must explicitly mark the entire guest desktop
as dirty after re-creating the server surface. Move this
logic into vnc_update_server_surface() so it is guaranteed
to be call in all code paths that re-create the surface
instead of only in vnc_dpy_switch()
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
Tested-by: Peter Lieven <pl@kamp.de>
Message-id: 1471365032-18096-1-git-send-email-berrange@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
