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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] Spawn vncviewer from qemu-dm.
# HG changeset patch
# User chris@xxxxxxxxxxxxxxxxxxxxxxxx
# Node ID ecb8ff1fcf1fc24561c8bd272a58828592d90806
# Parent ccf11affc5450df201c566eaf1487fd48b288a5b
Spawn vncviewer from qemu-dm.
- add vncviewer option to qemu-dm to spawn a vncviewer process.
- add the `vncconsole' config parameter which enables qemu-dm's vncviewer
option.
Based on a patch from: Don Dugger <donald.d.dugger@xxxxxxxxx>
Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxxx>
---
tools/examples/xmexample.hvm | 5 +-
tools/ioemu/patches/series | 1
tools/ioemu/patches/vnc-start-vncviewer | 69 ++++++++++++++++++++++++++++++++
tools/ioemu/vl.c | 10 ++++
tools/ioemu/vl.h | 1
tools/ioemu/vnc.c | 22 ++++++++++
tools/python/xen/xend/image.py | 21 +--------
tools/python/xen/xm/create.py | 31 ++++++++------
8 files changed, 128 insertions(+), 32 deletions(-)
diff -r ccf11affc545 -r ecb8ff1fcf1f tools/examples/xmexample.hvm
--- a/tools/examples/xmexample.hvm Fri Jul 14 15:59:24 2006 +0100
+++ b/tools/examples/xmexample.hvm Fri Jul 14 18:53:27 2006 +0100
@@ -134,8 +134,9 @@ vnc=1
#vncdisplay=1
#----------------------------------------------------------------------------
-# enable spawning vncviewer(only valid when vnc=1), default = 1
-vncviewer=1
+# enable spawning vncviewer for domain's console
+# (only valid when vnc=1), default = 0
+#vncconsole=0
#----------------------------------------------------------------------------
# no graphics, use serial port
diff -r ccf11affc545 -r ecb8ff1fcf1f tools/ioemu/patches/series
--- a/tools/ioemu/patches/series Fri Jul 14 15:59:24 2006 +0100
+++ b/tools/ioemu/patches/series Fri Jul 14 18:53:27 2006 +0100
@@ -30,3 +30,4 @@ acpi-poweroff-support
acpi-poweroff-support
vnc-cleanup
vnc-fixes
+vnc-start-vncviewer
diff -r ccf11affc545 -r ecb8ff1fcf1f tools/ioemu/vl.c
--- a/tools/ioemu/vl.c Fri Jul 14 15:59:24 2006 +0100
+++ b/tools/ioemu/vl.c Fri Jul 14 18:53:27 2006 +0100
@@ -121,6 +121,7 @@ int bios_size;
int bios_size;
static DisplayState display_state;
int nographic;
+int vncviewer;
const char* keyboard_layout = NULL;
int64_t ticks_per_sec;
int boot_device = 'c';
@@ -4801,6 +4802,7 @@ void help(void)
#endif
"-loadvm file start right away with a saved state (loadvm in
monitor)\n"
"-vnc display start a VNC server on display\n"
+ "-vncviewer start a vncviewer process for this domain\n"
"-timeoffset time offset (in seconds) from local time\n"
"\n"
"During emulation, the following keys are useful:\n"
@@ -4889,6 +4891,7 @@ enum {
QEMU_OPTION_usbdevice,
QEMU_OPTION_smp,
QEMU_OPTION_vnc,
+ QEMU_OPTION_vncviewer,
QEMU_OPTION_d,
QEMU_OPTION_vcpus,
@@ -4964,6 +4967,7 @@ const QEMUOption qemu_options[] = {
{ "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
{ "smp", HAS_ARG, QEMU_OPTION_smp },
{ "vnc", HAS_ARG, QEMU_OPTION_vnc },
+ { "vncviewer", 0, QEMU_OPTION_vncviewer },
/* temporary options */
{ "usb", 0, QEMU_OPTION_usb },
@@ -5294,6 +5298,7 @@ int main(int argc, char **argv)
#endif
snapshot = 0;
nographic = 0;
+ vncviewer = 0;
kernel_filename = NULL;
kernel_cmdline = "";
#ifdef TARGET_PPC
@@ -5663,6 +5668,9 @@ int main(int argc, char **argv)
exit(1);
}
break;
+ case QEMU_OPTION_vncviewer:
+ vncviewer++;
+ break;
case QEMU_OPTION_domainname:
strncat(domain_name, optarg, sizeof(domain_name) - 20);
break;
@@ -5881,6 +5889,8 @@ int main(int argc, char **argv)
dumb_display_init(ds);
} else if (vnc_display != -1) {
vnc_display_init(ds, vnc_display);
+ if (vncviewer)
+ vnc_start_viewer(vnc_display);
} else {
#if defined(CONFIG_SDL)
sdl_display_init(ds, full_screen);
diff -r ccf11affc545 -r ecb8ff1fcf1f tools/ioemu/vl.h
--- a/tools/ioemu/vl.h Fri Jul 14 15:59:24 2006 +0100
+++ b/tools/ioemu/vl.h Fri Jul 14 18:53:27 2006 +0100
@@ -732,6 +732,7 @@ void cocoa_display_init(DisplayState *ds
/* vnc.c */
void vnc_display_init(DisplayState *ds, int display);
+int vnc_start_viewer(int port);
/* ide.c */
#define MAX_DISKS 4
diff -r ccf11affc545 -r ecb8ff1fcf1f tools/ioemu/vnc.c
--- a/tools/ioemu/vnc.c Fri Jul 14 15:59:24 2006 +0100
+++ b/tools/ioemu/vnc.c Fri Jul 14 18:53:27 2006 +0100
@@ -999,3 +999,25 @@ void vnc_display_init(DisplayState *ds,
vnc_dpy_resize(vs->ds, 640, 400);
}
+
+int vnc_start_viewer(int port)
+{
+ int pid;
+ char s[16];
+
+ sprintf(s, ":%d", port);
+
+ switch (pid = fork()) {
+ case -1:
+ fprintf(stderr, "vncviewer failed fork\n");
+ exit(1);
+
+ case 0: /* child */
+ execlp("vncviewer", "vncviewer", s, 0);
+ fprintf(stderr, "vncviewer execlp failed\n");
+ exit(1);
+
+ default:
+ return pid;
+ }
+}
diff -r ccf11affc545 -r ecb8ff1fcf1f tools/python/xen/xend/image.py
--- a/tools/python/xen/xend/image.py Fri Jul 14 15:59:24 2006 +0100
+++ b/tools/python/xen/xend/image.py Fri Jul 14 18:53:27 2006 +0100
@@ -208,6 +208,7 @@ class HVMImageHandler(ImageHandler):
raise VmError("hvm: missing device model")
self.display = sxp.child_value(imageConfig, 'display')
self.xauthority = sxp.child_value(imageConfig, 'xauthority')
+ self.vncconsole = sxp.child_value(imageConfig, 'vncconsole')
self.vm.storeVm(("image/dmargs", " ".join(self.dmargs)),
("image/device-model", self.device_model),
@@ -335,11 +336,7 @@ class HVMImageHandler(ImageHandler):
return
# Execute device model.
#todo: Error handling
- # XXX RN: note that the order of args matter!
args = [self.device_model]
- vnc = self.vncParams()
- if len(vnc):
- args = args + vnc
args = args + ([ "-d", "%d" % self.vm.getDomid(),
"-m", "%s" % (self.vm.getMemoryTarget() / 1024)])
args = args + self.dmargs
@@ -348,23 +345,11 @@ class HVMImageHandler(ImageHandler):
env['DISPLAY'] = self.display
if self.xauthority:
env['XAUTHORITY'] = self.xauthority
+ if self.vncconsole:
+ args = args + ([ "-vncviewer" ])
log.info("spawning device models: %s %s", self.device_model, args)
self.pid = os.spawnve(os.P_NOWAIT, self.device_model, args, env)
log.info("device model pid: %d", self.pid)
-
- def vncParams(self):
- # see if a vncviewer was specified
- # XXX RN: bit of a hack. should unify this, maybe stick in config space
- vncconnect=[]
- args = self.cmdline
- if args:
- arg_list = string.split(args)
- for arg in arg_list:
- al = string.split(arg, '=')
- if al[0] == "VNC_VIEWER":
- vncconnect=["-vncconnect", "%s" % al[1]]
- break
- return vncconnect
def destroy(self):
self.unregister_shutdown_watch();
diff -r ccf11affc545 -r ecb8ff1fcf1f tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py Fri Jul 14 15:59:24 2006 +0100
+++ b/tools/python/xen/xm/create.py Fri Jul 14 18:53:27 2006 +0100
@@ -109,6 +109,12 @@ gopts.var('vncviewer', val='no|yes',
The address of the vncviewer is passed to the domain on the kernel
command
line using 'VNC_SERVER=<host>:<port>'. The port used by vnc is 5500
+ DISPLAY.
A display value with a free port is chosen if possible.
+ Only valid when vnc=1.
+ """)
+
+gopts.var('vncconsole', val='no|yes',
+ fn=set_bool, default=None,
+ use="""Spawn a vncviewer process for the domain's graphical console.
Only valid when vnc=1.
""")
@@ -625,7 +631,7 @@ def configure_hvm(config_image, vals):
"""
args = [ 'device_model', 'pae', 'vcpus', 'cdrom', 'boot', 'fda', 'fdb',
'localtime', 'serial', 'stdvga', 'isa', 'nographic', 'audio',
- 'vnc', 'vncdisplay', 'vncviewer', 'sdl', 'display',
+ 'vnc', 'vncdisplay', 'vncconsole', 'sdl', 'display',
'acpi', 'apic', 'xauthority', 'usb', 'usbdevice' ]
for a in args:
if (vals.__dict__[a]):
@@ -854,17 +860,18 @@ def preprocess_vnc(vals):
"""If vnc was specified, spawn a vncviewer in listen mode
and pass its address to the domain on the kernel command line.
"""
- if not (vals.vnc and vals.vncviewer) or vals.dryrun: return
- vnc_display = choose_vnc_display()
- if not vnc_display:
- warn("No free vnc display")
- return
- print 'VNC=', vnc_display
- vnc_port = spawn_vnc(vnc_display)
- if vnc_port > 0:
- vnc_host = get_host_addr()
- vnc = 'VNC_VIEWER=%s:%d' % (vnc_host, vnc_port)
- vals.extra = vnc + ' ' + vals.extra
+ if vals.dryrun: return
+ if vals.vncviewer:
+ vnc_display = choose_vnc_display()
+ if not vnc_display:
+ warn("No free vnc display")
+ return
+ print 'VNC=', vnc_display
+ vnc_port = spawn_vnc(vnc_display)
+ if vnc_port > 0:
+ vnc_host = get_host_addr()
+ vnc = 'VNC_VIEWER=%s:%d' % (vnc_host, vnc_port)
+ vals.extra = vnc + ' ' + vals.extra
def preprocess(vals):
if not vals.kernel and not vals.bootloader:
diff -r ccf11affc545 -r ecb8ff1fcf1f tools/ioemu/patches/vnc-start-vncviewer
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/ioemu/patches/vnc-start-vncviewer Fri Jul 14 18:53:27 2006 +0100
@@ -0,0 +1,105 @@
+Index: ioemu/vnc.c
+===================================================================
+--- ioemu.orig/vnc.c 2006-07-14 18:29:36.810169908 +0100
++++ ioemu/vnc.c 2006-07-14 18:30:17.437628819 +0100
+@@ -999,3 +999,25 @@
+
+ vnc_dpy_resize(vs->ds, 640, 400);
+ }
++
++int vnc_start_viewer(int port)
++{
++ int pid;
++ char s[16];
++
++ sprintf(s, ":%d", port);
++
++ switch (pid = fork()) {
++ case -1:
++ fprintf(stderr, "vncviewer failed fork\n");
++ exit(1);
++
++ case 0: /* child */
++ execlp("vncviewer", "vncviewer", s, 0);
++ fprintf(stderr, "vncviewer execlp failed\n");
++ exit(1);
++
++ default:
++ return pid;
++ }
++}
+Index: ioemu/vl.c
+===================================================================
+--- ioemu.orig/vl.c 2006-07-14 18:29:36.809170020 +0100
++++ ioemu/vl.c 2006-07-14 18:30:17.435629043 +0100
+@@ -121,6 +121,7 @@
+ int bios_size;
+ static DisplayState display_state;
+ int nographic;
++int vncviewer;
+ const char* keyboard_layout = NULL;
+ int64_t ticks_per_sec;
+ int boot_device = 'c';
+@@ -4801,6 +4802,7 @@
+ #endif
+ "-loadvm file start right away with a saved state (loadvm in
monitor)\n"
+ "-vnc display start a VNC server on display\n"
++ "-vncviewer start a vncviewer process for this domain\n"
+ "-timeoffset time offset (in seconds) from local time\n"
+ "\n"
+ "During emulation, the following keys are useful:\n"
+@@ -4889,6 +4891,7 @@
+ QEMU_OPTION_usbdevice,
+ QEMU_OPTION_smp,
+ QEMU_OPTION_vnc,
++ QEMU_OPTION_vncviewer,
+
+ QEMU_OPTION_d,
+ QEMU_OPTION_vcpus,
+@@ -4964,6 +4967,7 @@
+ { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice },
+ { "smp", HAS_ARG, QEMU_OPTION_smp },
+ { "vnc", HAS_ARG, QEMU_OPTION_vnc },
++ { "vncviewer", 0, QEMU_OPTION_vncviewer },
+
+ /* temporary options */
+ { "usb", 0, QEMU_OPTION_usb },
+@@ -5294,6 +5298,7 @@
+ #endif
+ snapshot = 0;
+ nographic = 0;
++ vncviewer = 0;
+ kernel_filename = NULL;
+ kernel_cmdline = "";
+ #ifdef TARGET_PPC
+@@ -5663,6 +5668,9 @@
+ exit(1);
+ }
+ break;
++ case QEMU_OPTION_vncviewer:
++ vncviewer++;
++ break;
+ case QEMU_OPTION_domainname:
+ strncat(domain_name, optarg, sizeof(domain_name) - 20);
+ break;
+@@ -5881,6 +5889,8 @@
+ dumb_display_init(ds);
+ } else if (vnc_display != -1) {
+ vnc_display_init(ds, vnc_display);
++ if (vncviewer)
++ vnc_start_viewer(vnc_display);
+ } else {
+ #if defined(CONFIG_SDL)
+ sdl_display_init(ds, full_screen);
+Index: ioemu/vl.h
+===================================================================
+--- ioemu.orig/vl.h 2006-07-14 18:29:36.810169908 +0100
++++ ioemu/vl.h 2006-07-14 18:30:17.436628931 +0100
+@@ -732,6 +732,7 @@
+
+ /* vnc.c */
+ void vnc_display_init(DisplayState *ds, int display);
++int vnc_start_viewer(int port);
+
+ /* ide.c */
+ #define MAX_DISKS 4
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