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src: support power control actions with VNC

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VNC can support graceful shutdown, hard reset and hard power off.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2021-03-10 15:45:25 +00:00
parent f42a1a7eaa
commit ada810c088
1 changed files with 68 additions and 0 deletions
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68
src/virt-viewer-session-vnc.c
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@ -27,6 +27,8 @@
/* gtk-vnc uses deprecated API, so disable warnings for this file */
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#include <gvnc.h>
#include "virt-viewer-auth.h"
#include "virt-viewer-session-vnc.h"
#include "virt-viewer-display-vnc.h"
@ -34,6 +36,13 @@
#include <glib/gi18n.h>
#include <libxml/uri.h>
#ifndef VNC_CHECK_VERSION
# define VNC_CHECK_VERSION(a, b, c) 0
#endif
#if VNC_CHECK_VERSION(2, 0, 0)
# define HAVE_VNC_POWER_CONTROL
#endif
struct _VirtViewerSessionVnc {
VirtViewerSession parent;
GtkWindow *main_window;
@ -42,6 +51,7 @@ struct _VirtViewerSessionVnc {
VncDisplay *vnc;
gboolean auth_dialog_cancelled;
gchar *error_msg;
gboolean power_control;
};
G_DEFINE_TYPE(VirtViewerSessionVnc, virt_viewer_session_vnc, VIRT_VIEWER_TYPE_SESSION)
@ -52,6 +62,8 @@ static gboolean virt_viewer_session_vnc_open_host(VirtViewerSession* session, co
static gboolean virt_viewer_session_vnc_open_uri(VirtViewerSession* session, const gchar *uri, GError **error);
static gboolean virt_viewer_session_vnc_channel_open_fd(VirtViewerSession* session,
VirtViewerSessionChannel* channel, int fd);
static void virt_viewer_session_vnc_vm_action(VirtViewerSession *self, gint action);
static gboolean virt_viewer_session_vnc_has_vm_action(VirtViewerSession *self, gint action);
static void
@ -77,6 +89,39 @@ virt_viewer_session_vnc_mime_type(VirtViewerSession *self G_GNUC_UNUSED)
return "application/x-vnc";
}
static void virt_viewer_session_vnc_vm_action(VirtViewerSession *session G_GNUC_UNUSED,
gint action G_GNUC_UNUSED)
{
#ifdef HAVE_VNC_POWER_CONTROL
VirtViewerSessionVnc *self = VIRT_VIEWER_SESSION_VNC(session);
VncConnection *conn = vnc_display_get_connection(self->vnc);
switch (action) {
case VIRT_VIEWER_SESSION_VM_ACTION_POWER_DOWN:
vnc_connection_power_control(conn,
VNC_CONNECTION_POWER_ACTION_SHUTDOWN);
break;
case VIRT_VIEWER_SESSION_VM_ACTION_RESET:
vnc_connection_power_control(conn,
VNC_CONNECTION_POWER_ACTION_RESET);
break;
}
#endif
}
static gboolean virt_viewer_session_vnc_has_vm_action(VirtViewerSession *session, gint action)
{
VirtViewerSessionVnc *self = VIRT_VIEWER_SESSION_VNC(session);
switch (action) {
case VIRT_VIEWER_SESSION_VM_ACTION_POWER_DOWN:
case VIRT_VIEWER_SESSION_VM_ACTION_RESET:
return self->power_control;
}
return FALSE;
}
static void
virt_viewer_session_vnc_class_init(VirtViewerSessionVncClass *klass)
{
@ -91,6 +136,8 @@ virt_viewer_session_vnc_class_init(VirtViewerSessionVncClass *klass)
dclass->open_uri = virt_viewer_session_vnc_open_uri;
dclass->channel_open_fd = virt_viewer_session_vnc_channel_open_fd;
dclass->mime_type = virt_viewer_session_vnc_mime_type;
dclass->vm_action = virt_viewer_session_vnc_vm_action;
dclass->has_vm_action = virt_viewer_session_vnc_has_vm_action;
}
static void
@ -98,6 +145,18 @@ virt_viewer_session_vnc_init(VirtViewerSessionVnc *self G_GNUC_UNUSED)
{
}
#ifdef HAVE_VNC_POWER_CONTROL
static void
virt_viewer_session_vnc_init_power_control(VncDisplay *vnc G_GNUC_UNUSED,
VirtViewerSessionVnc *self)
{
self->power_control = TRUE;
g_object_set(virt_viewer_session_get_app(VIRT_VIEWER_SESSION(self)),
"vm-ui", TRUE, NULL);
}
#endif
static void
virt_viewer_session_vnc_connected(VncDisplay *vnc G_GNUC_UNUSED,
VirtViewerSessionVnc *self)
@ -421,6 +480,10 @@ virt_viewer_session_vnc_close(VirtViewerSession* session)
g_signal_connect_object(self->vnc, "vnc-auth-credential",
G_CALLBACK(virt_viewer_session_vnc_auth_credential), session, 0);
#ifdef HAVE_VNC_POWER_CONTROL
g_signal_connect(self->vnc, "vnc-power-control-initialized",
G_CALLBACK(virt_viewer_session_vnc_init_power_control), session);
#endif
}
VirtViewerSession *
@ -459,5 +522,10 @@ virt_viewer_session_vnc_new(VirtViewerApp *app, GtkWindow *main_window)
g_signal_connect_object(self->vnc, "vnc-auth-credential",
G_CALLBACK(virt_viewer_session_vnc_auth_credential), self, 0);
#ifdef HAVE_VNC_POWER_CONTROL
g_signal_connect(self->vnc, "vnc-power-control-initialized",
G_CALLBACK(virt_viewer_session_vnc_init_power_control), self);
#endif
return VIRT_VIEWER_SESSION(self);
}