/*
* Virt Viewer: A virtual machine console viewer
*
* Copyright (C) 2007-2012 Red Hat, Inc.
* Copyright (C) 2009-2012 Daniel P. Berrange
* Copyright (C) 2010 Marc-André Lureau
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#include <config.h>
#include <spice-audio.h>
#include <glib/gi18n.h>
#include <spice-option.h>
#include <usb-device-widget.h>
#include "virt-viewer-util.h"
#include "virt-viewer-session-spice.h"
#include "virt-viewer-display-spice.h"
#include "virt-viewer-auth.h"
#if !GLIB_CHECK_VERSION(2, 26, 0)
#include "gbinding.h"
#include "gbinding.c"
#endif
G_DEFINE_TYPE (VirtViewerSessionSpice, virt_viewer_session_spice, VIRT_VIEWER_TYPE_SESSION)
struct _VirtViewerSessionSpicePrivate {
GtkWindow *main_window;
SpiceSession *session;
SpiceGtkSession *gtk_session;
SpiceMainChannel *main_channel;
const SpiceAudio *audio;
int channel_count;
};
#define VIRT_VIEWER_SESSION_SPICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), VIRT_VIEWER_TYPE_SESSION_SPICE, VirtViewerSessionSpicePrivate))
enum {
PROP_0,
PROP_SPICE_SESSION,
};
static void virt_viewer_session_spice_close(VirtViewerSession *session);
static gboolean virt_viewer_session_spice_open_fd(VirtViewerSession *session, int fd);
static gboolean virt_viewer_session_spice_open_host(VirtViewerSession *session, const gchar *host, const gchar *port, const gchar *tlsport);
static gboolean virt_viewer_session_spice_open_uri(VirtViewerSession *session, const gchar *uri);
static gboolean virt_viewer_session_spice_channel_open_fd(VirtViewerSession *session, VirtViewerSessionChannel *channel, int fd);
static gboolean virt_viewer_session_spice_has_usb(VirtViewerSession *session);
static void virt_viewer_session_spice_usb_device_selection(VirtViewerSession *session, GtkWindow *parent);
static void virt_viewer_session_spice_channel_new(SpiceSession *s,
SpiceChannel *channel,
VirtViewerSession *session);
static void virt_viewer_session_spice_channel_destroy(SpiceSession *s,
SpiceChannel *channel,
VirtViewerSession *session);
static void virt_viewer_session_spice_smartcard_insert(VirtViewerSession *session);
static void virt_viewer_session_spice_smartcard_remove(VirtViewerSession *session);
static gboolean virt_viewer_session_spice_fullscreen_auto_conf(VirtViewerSessionSpice *self);
static void
virt_viewer_session_spice_get_property(GObject *object, guint property_id,
GValue *value, GParamSpec *pspec)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(object);
VirtViewerSessionSpicePrivate *priv = self->priv;
switch (property_id) {
case PROP_SPICE_SESSION:
g_value_set_object(value, priv->session);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
virt_viewer_session_spice_set_property(GObject *object, guint property_id,
const GValue *value G_GNUC_UNUSED, GParamSpec *pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
virt_viewer_session_spice_dispose(GObject *obj)
{
VirtViewerSessionSpice *spice = VIRT_VIEWER_SESSION_SPICE(obj);
if (spice->priv->session) {
spice_session_disconnect(spice->priv->session);
g_object_unref(spice->priv->session);
spice->priv->session = NULL;
}
spice->priv->audio = NULL;
if (spice->priv->main_window)
g_object_unref(spice->priv->main_window);
G_OBJECT_CLASS(virt_viewer_session_spice_parent_class)->dispose(obj);
}
static void
virt_viewer_session_spice_class_init(VirtViewerSessionSpiceClass *klass)
{
VirtViewerSessionClass *dclass = VIRT_VIEWER_SESSION_CLASS(klass);
GObjectClass *oclass = G_OBJECT_CLASS(klass);
oclass->get_property = virt_viewer_session_spice_get_property;
oclass->set_property = virt_viewer_session_spice_set_property;
oclass->dispose = virt_viewer_session_spice_dispose;
dclass->close = virt_viewer_session_spice_close;
dclass->open_fd = virt_viewer_session_spice_open_fd;
dclass->open_host = virt_viewer_session_spice_open_host;
dclass->open_uri = virt_viewer_session_spice_open_uri;
dclass->channel_open_fd = virt_viewer_session_spice_channel_open_fd;
dclass->has_usb = virt_viewer_session_spice_has_usb;
dclass->usb_device_selection = virt_viewer_session_spice_usb_device_selection;
dclass->smartcard_insert = virt_viewer_session_spice_smartcard_insert;
dclass->smartcard_remove = virt_viewer_session_spice_smartcard_remove;
g_type_class_add_private(klass, sizeof(VirtViewerSessionSpicePrivate));
g_object_class_install_property(oclass,
PROP_SPICE_SESSION,
g_param_spec_object("spice-session",
"Spice session",
"Spice session",
SPICE_TYPE_SESSION,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
}
static void
virt_viewer_session_spice_init(VirtViewerSessionSpice *self G_GNUC_UNUSED)
{
self->priv = VIRT_VIEWER_SESSION_SPICE_GET_PRIVATE(self);
}
static void
usb_connect_failed(GObject *object G_GNUC_UNUSED,
SpiceUsbDevice *device G_GNUC_UNUSED,
GError *error, VirtViewerSessionSpice *self)
{
if (g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
g_signal_emit_by_name(self, "session-usb-failed", error->message);
}
static void
create_spice_session(VirtViewerSessionSpice *self)
{
SpiceUsbDeviceManager *manager;
g_return_if_fail(self != NULL);
g_return_if_fail(self->priv->session == NULL);
self->priv->session = spice_session_new();
spice_set_session_option(self->priv->session);
self->priv->gtk_session = spice_gtk_session_get(self->priv->session);
g_object_set(self->priv->gtk_session, "auto-clipboard", TRUE, NULL);
g_signal_connect(self->priv->session, "channel-new",
G_CALLBACK(virt_viewer_session_spice_channel_new), self);
g_signal_connect(self->priv->session, "channel-destroy",
G_CALLBACK(virt_viewer_session_spice_channel_destroy), self);
manager = spice_usb_device_manager_get(self->priv->session, NULL);
if (manager) {
g_signal_connect(manager, "auto-connect-failed",
G_CALLBACK(usb_connect_failed), self);
g_signal_connect(manager, "device-error",
G_CALLBACK(usb_connect_failed), self);
}
g_object_bind_property(self, "auto-usbredir",
self->priv->gtk_session, "auto-usbredir",
G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
}
static void
virt_viewer_session_spice_close(VirtViewerSession *session)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
g_return_if_fail(self != NULL);
virt_viewer_session_clear_displays(session);
if (self->priv->session) {
spice_session_disconnect(self->priv->session);
g_object_unref(self->priv->session);
self->priv->session = NULL;
self->priv->gtk_session = NULL;
self->priv->audio = NULL;
}
/* FIXME: version 0.7 of spice-gtk allows reuse of session */
create_spice_session(self);
}
static gboolean
virt_viewer_session_spice_open_host(VirtViewerSession *session,
const gchar *host,
const gchar *port,
const gchar *tlsport)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
g_return_val_if_fail(self != NULL, FALSE);
g_return_val_if_fail(self->priv->session != NULL, FALSE);
g_object_set(self->priv->session,
"host", host,
"port", port,
"tls-port", tlsport,
NULL);
return spice_session_connect(self->priv->session);
}
static gboolean
virt_viewer_session_spice_open_uri(VirtViewerSession *session,
const gchar *uri)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
g_return_val_if_fail(self != NULL, FALSE);
g_return_val_if_fail(self->priv->session != NULL, FALSE);
g_object_set(self->priv->session, "uri", uri, NULL);
return spice_session_connect(self->priv->session);
}
static gboolean
virt_viewer_session_spice_open_fd(VirtViewerSession *session,
int fd)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
g_return_val_if_fail(self != NULL, FALSE);
return spice_session_open_fd(self->priv->session, fd);
}
static gboolean
virt_viewer_session_spice_channel_open_fd(VirtViewerSession *session,
VirtViewerSessionChannel *channel,
int fd)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
g_return_val_if_fail(self != NULL, FALSE);
return spice_channel_open_fd(SPICE_CHANNEL(channel), fd);
}
static void
virt_viewer_session_spice_channel_open_fd_request(SpiceChannel *channel,
gint tls G_GNUC_UNUSED,
VirtViewerSession *session)
{
g_signal_emit_by_name(session, "session-channel-open", channel);
}
static void
virt_viewer_session_spice_main_channel_event(SpiceChannel *channel G_GNUC_UNUSED,
SpiceChannelEvent event,
VirtViewerSession *session)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
gchar *password = NULL;
g_return_if_fail(self != NULL);
switch (event) {
case SPICE_CHANNEL_OPENED:
DEBUG_LOG("main channel: opened");
break;
case SPICE_CHANNEL_CLOSED:
DEBUG_LOG("main channel: closed");
/* Ensure the other channels get closed too */
virt_viewer_session_clear_displays(session);
if (self->priv->session)
spice_session_disconnect(self->priv->session);
break;
case SPICE_CHANNEL_SWITCHING:
DEBUG_LOG("main channel: switching host");
break;
case SPICE_CHANNEL_ERROR_AUTH:
DEBUG_LOG("main channel: auth failure (wrong password?)");
int ret = virt_viewer_auth_collect_credentials(self->priv->main_window,
"SPICE",
NULL,
NULL, &password);
if (ret < 0) {
g_signal_emit_by_name(session, "session-cancelled");
} else {
gboolean openfd;
g_object_set(self->priv->session, "password", password, NULL);
g_object_get(self->priv->session, "client-sockets", &openfd, NULL);
if (openfd)
spice_session_open_fd(self->priv->session, -1);
else
spice_session_connect(self->priv->session);
}
break;
case SPICE_CHANNEL_ERROR_CONNECT:
DEBUG_LOG("main channel: failed to connect");
g_signal_emit_by_name(session, "session-disconnected");
break;
case SPICE_CHANNEL_ERROR_IO:
case SPICE_CHANNEL_ERROR_LINK:
case SPICE_CHANNEL_ERROR_TLS:
g_signal_emit_by_name(session, "session-disconnected");
break;
default:
g_warning("unhandled spice main channel event: %d", event);
break;
}
g_free(password);
}
static gboolean
virt_viewer_session_spice_has_usb(VirtViewerSession *session)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
VirtViewerSessionSpicePrivate *priv = self->priv;
return spice_usb_device_manager_get(priv->session, NULL) &&
spice_session_has_channel_type(priv->session,
SPICE_CHANNEL_USBREDIR);
}
static void remove_cb(GtkContainer *container G_GNUC_UNUSED,
GtkWidget *widget G_GNUC_UNUSED,
void *user_data)
{
gtk_window_resize(GTK_WINDOW(user_data), 1, 1);
}
static void
virt_viewer_session_spice_usb_device_selection(VirtViewerSession *session,
GtkWindow *parent)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
VirtViewerSessionSpicePrivate *priv = self->priv;
GtkWidget *dialog, *area, *usb_device_widget;
/* Create the widgets */
dialog = gtk_dialog_new_with_buttons(_("Select USB devices for redirection"), parent,
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_CLOSE, GTK_RESPONSE_ACCEPT,
NULL);
gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
gtk_container_set_border_width(GTK_CONTAINER(dialog), 12);
gtk_box_set_spacing(GTK_BOX(gtk_bin_get_child(GTK_BIN(dialog))), 12);
area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
usb_device_widget = spice_usb_device_widget_new(priv->session,
"%s %s");
g_signal_connect(usb_device_widget, "connect-failed",
G_CALLBACK(usb_connect_failed), self);
gtk_box_pack_start(GTK_BOX(area), usb_device_widget, TRUE, TRUE, 0);
/* This shrinks the dialog when USB devices are unplugged */
g_signal_connect(usb_device_widget, "remove",
G_CALLBACK(remove_cb), dialog);
/* show and run */
gtk_widget_show_all(dialog);
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
}
static void
agent_connected_changed(SpiceChannel *cmain,
GParamSpec *pspec G_GNUC_UNUSED,
VirtViewerSessionSpice *self)
{
if (virt_viewer_session_spice_fullscreen_auto_conf(self))
g_signal_handlers_disconnect_by_func(cmain, agent_connected_changed, self);
}
static void
virt_viewer_session_spice_channel_new(SpiceSession *s,
SpiceChannel *channel,
VirtViewerSession *session)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
int id;
g_return_if_fail(self != NULL);
g_signal_connect(channel, "open-fd",
G_CALLBACK(virt_viewer_session_spice_channel_open_fd_request), self);
g_object_get(channel, "channel-id", &id, NULL);
DEBUG_LOG("New spice channel %p %s %d", channel, g_type_name(G_OBJECT_TYPE(channel)), id);
if (SPICE_IS_MAIN_CHANNEL(channel)) {
if (self->priv->main_channel != NULL)
g_signal_handlers_disconnect_by_func(self->priv->main_channel,
virt_viewer_session_spice_main_channel_event, self);
g_signal_connect(channel, "channel-event",
G_CALLBACK(virt_viewer_session_spice_main_channel_event), self);
self->priv->main_channel = SPICE_MAIN_CHANNEL(channel);
g_signal_connect(channel, "notify::agent-connected", G_CALLBACK(agent_connected_changed), self);
agent_connected_changed(channel, NULL, self);
}
if (SPICE_IS_DISPLAY_CHANNEL(channel)) {
GtkWidget *display;
g_signal_emit_by_name(session, "session-connected");
DEBUG_LOG("new display channel (#%d)", id);
display = virt_viewer_display_spice_new(self,
channel,
spice_display_new(s, id));
virt_viewer_session_add_display(VIRT_VIEWER_SESSION(session),
VIRT_VIEWER_DISPLAY(display));
g_signal_emit_by_name(session, "session-initialized");
}
if (SPICE_IS_INPUTS_CHANNEL(channel)) {
DEBUG_LOG("new inputs channel");
}
if (SPICE_IS_PLAYBACK_CHANNEL(channel)) {
DEBUG_LOG("new audio channel");
if (self->priv->audio == NULL)
self->priv->audio = spice_audio_get(s, NULL);
}
self->priv->channel_count++;
}
static gboolean
virt_viewer_session_spice_fullscreen_auto_conf(VirtViewerSessionSpice *self)
{
GdkScreen *screen = gdk_screen_get_default();
SpiceMainChannel* cmain = virt_viewer_session_spice_get_main_channel(self);
VirtViewerApp *app = NULL;
GdkRectangle dest;
gboolean auto_conf, agent_connected;
gint i;
app = virt_viewer_session_get_app(VIRT_VIEWER_SESSION(self));
g_return_val_if_fail(VIRT_VIEWER_IS_APP(app), TRUE);
DEBUG_LOG("Checking full screen auto-conf");
g_object_get(app, "fullscreen-auto-conf", &auto_conf, NULL);
if (!auto_conf)
return TRUE;
if (cmain == NULL)
return FALSE;
g_object_get(cmain, "agent-connected", &agent_connected, NULL);
if (!agent_connected) {
DEBUG_LOG("Agent not connected, skipping autoconf");
return FALSE;
}
DEBUG_LOG("Performing full screen auto-conf, %d host monitors",
gdk_screen_get_n_monitors(screen));
spice_main_set_display_enabled(cmain, -1, FALSE);
for (i = 0; i < gdk_screen_get_n_monitors(screen); i++) {
gdk_screen_get_monitor_geometry(screen, i, &dest);
DEBUG_LOG("Set SPICE display %d to (%d,%d)-(%dx%d)",
i, dest.x, dest.y, dest.width, dest.height);
spice_main_set_display(cmain, i, dest.x, dest.y, dest.width, dest.height);
spice_main_set_display_enabled(cmain, i, TRUE);
}
spice_main_send_monitor_config(cmain);
return TRUE;
}
static void
virt_viewer_session_spice_channel_destroy(G_GNUC_UNUSED SpiceSession *s,
SpiceChannel *channel,
VirtViewerSession *session)
{
VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(session);
int id;
g_return_if_fail(self != NULL);
g_object_get(channel, "channel-id", &id, NULL);
DEBUG_LOG("Destroy SPICE channel %s %d", g_type_name(G_OBJECT_TYPE(channel)), id);
if (SPICE_IS_MAIN_CHANNEL(channel)) {
DEBUG_LOG("zap main channel");
if (channel == SPICE_CHANNEL(self->priv->main_channel))
self->priv->main_channel = NULL;
}
if (SPICE_IS_DISPLAY_CHANNEL(channel)) {
DEBUG_LOG("zap session channel (#%d)", id);
}
if (SPICE_IS_PLAYBACK_CHANNEL(channel) && self->priv->audio) {
DEBUG_LOG("zap audio channel");
self->priv->audio = NULL;
}
self->priv->channel_count--;
if (self->priv->channel_count == 0)
g_signal_emit_by_name(self, "session-disconnected");
}
static void
fullscreen_changed(GObject *gobject G_GNUC_UNUSED,
GParamSpec *pspec G_GNUC_UNUSED,
VirtViewerSessionSpice *self)
{
virt_viewer_session_spice_fullscreen_auto_conf(self);
}
VirtViewerSession *
virt_viewer_session_spice_new(VirtViewerApp *app, GtkWindow *main_window)
{
VirtViewerSessionSpice *self;
self = g_object_new(VIRT_VIEWER_TYPE_SESSION_SPICE, "app", app, NULL);
create_spice_session(self);
self->priv->main_window = g_object_ref(main_window);
g_signal_connect(app, "notify::fullscreen", G_CALLBACK(fullscreen_changed), self);
return VIRT_VIEWER_SESSION(self);
}
SpiceMainChannel*
virt_viewer_session_spice_get_main_channel(VirtViewerSessionSpice *self)
{
g_return_val_if_fail(VIRT_VIEWER_IS_SESSION_SPICE(self), NULL);
return self->priv->main_channel;
}
static void
virt_viewer_session_spice_smartcard_insert(VirtViewerSession *session G_GNUC_UNUSED)
{
spice_smartcard_manager_insert_card(spice_smartcard_manager_get());
}
static void
virt_viewer_session_spice_smartcard_remove(VirtViewerSession *session G_GNUC_UNUSED)
{
spice_smartcard_manager_remove_card(spice_smartcard_manager_get());
}
/*
* Local variables:
* c-indent-level: 4
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/