[libvirt] [PATCH 3/3] qemu: support share attribute and its values to -vnc option

[Guannan Ren]

---
 src/qemu/qemu_command.c                            | 13 ++++++++
 .../qemuxml2argv-graphics-vnc-policy.args          |  4 +++
 .../qemuxml2argv-graphics-vnc-policy.xml           | 35 ++++++++++++++++++++++
 tests/qemuxml2argvtest.c                           |  1 +
 4 files changed, 53 insertions(+)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 144620c..2d051dd 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -5900,6 +5900,19 @@ qemuBuildGraphicsVNCCommandLine(virQEMUDriverConfigPtr cfg,
 
             /* TODO: Support ACLs later */
         }
+
+        if (graphics->data.vnc.sharingPolicy) {
+            if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_DISPLAY_POLICY)) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("vnc display sharing policy are not "
+                                 "supported with this QEMU"));
+                goto error;
+            }
+
+            virBufferAsprintf(&opt, ",share=%s",
+                              virDomainGraphicsVNCDisplaySharingPolicyTypeToString(
+                              graphics->data.vnc.sharingPolicy));
+        }
     }
 
     virCommandAddArg(cmd, "-vnc");
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.args b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.args
new file mode 100644
index 0000000..1b61fcf
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.args
@@ -0,0 +1,4 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 214 -smp 1 -monitor unix:/tmp/test-monitor,server,nowait \
+-no-acpi -boot c -usb -hda /dev/HostVG/QEMUGuest1 \
+-net none -serial none -parallel none -vnc 127.0.0.1:0,share=allow-exclusive
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml
new file mode 100644
index 0000000..0f3cf18
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-vnc-policy.xml
@@ -0,0 +1,35 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='i686' machine='pc'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu</emulator>
+    <disk type='block' device='disk'>
+      <driver name='qemu' type='raw'/>
+      <source dev='/dev/HostVG/QEMUGuest1'/>
+      <target dev='hda' bus='ide'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='usb' index='0'/>
+    <controller type='ide' index='0'/>
+    <controller type='pci' index='0' model='pci-root'/>
+    <input type='mouse' bus='ps2'/>
+    <graphics type='vnc' port='5900' autoport='no' listen='127.0.0.1' policy='allow-exclusive'>
+      <listen type='address' address='127.0.0.1'/>
+    </graphics>
+    <video>
+      <model type='cirrus' vram='9216' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 1286273..7c83501 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -597,6 +597,7 @@ mymain(void)
             QEMU_CAPS_SCSI_LSI, QEMU_CAPS_VIRTIO_SCSI);
 
     DO_TEST("graphics-vnc", QEMU_CAPS_VNC);
+    DO_TEST("graphics-vnc-policy", QEMU_CAPS_VNC, QEMU_CAPS_VNC_DISPLAY_POLICY);
     DO_TEST("graphics-vnc-socket", QEMU_CAPS_VNC);
 
     driver.config->vncSASL = 1;
-- 
1.8.1.4