void KSMServer::saveCurrentSession()
{
if ( state != Idle || dialogActive )
return;
if ( currentSession().isEmpty() || currentSession() == SESSION_PREVIOUS_LOGOUT )
sessionGroup = QString("Session: ") + SESSION_BY_USER;
state = Checkpoint;
wmPhase1WaitingCount = 0;
saveType = SmSaveLocal;
saveSession = true;
performLegacySessionSave();
for ( KSMClient* c = clients.first(); c; c = clients.next() ) {
c->resetState();
if( isWM( c )) {
++wmPhase1WaitingCount;
SmsSaveYourself( c->connection(), saveType, false, SmInteractStyleNone, false );
}
}
if( wmPhase1WaitingCount == 0 ) {
for ( KSMClient* c = clients.first(); c; c = clients.next() )
SmsSaveYourself( c->connection(), saveType, false, SmInteractStyleNone, false );
}
if ( clients.isEmpty() )
completeShutdownOrCheckpoint();
}
static void
do_save_yourself (GsmXSMPClient *client,
int save_type,
gboolean allow_interact)
{
g_assert (client->priv->conn != NULL);
if (client->priv->next_save_yourself != -1) {
/* Either we're currently doing a shutdown and there's a checkpoint
* queued after it, or vice versa. Either way, the new SaveYourself
* is redundant.
*/
g_debug ("GsmXSMPClient: skipping redundant SaveYourself for '%s'",
client->priv->description);
} else if (client->priv->current_save_yourself != -1) {
g_debug ("GsmXSMPClient: queuing new SaveYourself for '%s'",
client->priv->description);
client->priv->next_save_yourself = save_type;
client->priv->next_save_yourself_allow_interact = allow_interact;
} else {
client->priv->current_save_yourself = save_type;
/* make sure we don't have anything queued */
client->priv->next_save_yourself = -1;
client->priv->next_save_yourself_allow_interact = FALSE;
switch (save_type) {
case SmSaveLocal:
/* Save state */
SmsSaveYourself (client->priv->conn,
SmSaveLocal,
FALSE,
SmInteractStyleNone,
FALSE);
break;
default:
/* Logout */
if (!allow_interact) {
SmsSaveYourself (client->priv->conn,
save_type, /* save type */
TRUE, /* shutdown */
SmInteractStyleNone, /* interact style */
TRUE); /* fast */
} else {
SmsSaveYourself (client->priv->conn,
save_type, /* save type */
TRUE, /* shutdown */
SmInteractStyleAny, /* interact style */
FALSE /* fast */);
}
break;
}
}
}
// callbacks
void KSMServer::saveYourselfDone( KSMClient* client, bool success )
{
if ( state == Idle ) {
// State saving when it's not shutdown or checkpoint. Probably
// a shutdown was cancelled and the client is finished saving
// only now. Discard the saved state in order to avoid
// the saved data building up.
QStringList discard = client->discardCommand();
if( !discard.isEmpty())
executeCommand( discard );
return;
}
if ( success ) {
client->saveYourselfDone = true;
completeShutdownOrCheckpoint();
} else {
// fake success to make KDE's logout not block with broken
// apps. A perfect ksmserver would display a warning box at
// the very end.
client->saveYourselfDone = true;
completeShutdownOrCheckpoint();
}
startProtection();
if( isWM( client ) && !client->wasPhase2 && wmPhase1WaitingCount > 0 ) {
--wmPhase1WaitingCount;
// WM finished its phase1, save the rest
if( wmPhase1WaitingCount == 0 ) {
for ( KSMClient* c = clients.first(); c; c = clients.next() )
if( !isWM( c ))
SmsSaveYourself( c->connection(), saveType, saveType != SmSaveLocal,
saveType != SmSaveLocal ? SmInteractStyleAny : SmInteractStyleNone,
false );
}
}
}
static Status
register_client_callback (SmsConn conn,
SmPointer manager_data,
char *previous_id)
{
GsmXSMPClient *client = manager_data;
gboolean handled;
char *id;
g_debug ("GsmXSMPClient: Client '%s' received RegisterClient(%s)",
client->priv->description,
previous_id ? previous_id : "NULL");
/* There are three cases:
* 1. id is NULL - we'll use a new one
* 2. id is known - we'll use known one
* 3. id is unknown - this is an error
*/
id = g_strdup (previous_id);
handled = FALSE;
g_signal_emit (client, signals[REGISTER_REQUEST], 0, &id, &handled);
if (! handled) {
g_debug ("GsmXSMPClient: RegisterClient not handled!");
g_free (id);
free (previous_id);
g_assert_not_reached ();
return FALSE;
}
if (IS_STRING_EMPTY (id)) {
g_debug ("GsmXSMPClient: rejected: invalid previous_id");
free (previous_id);
return FALSE;
}
g_object_set (client, "startup-id", id, NULL);
set_description (client);
g_debug ("GsmXSMPClient: Sending RegisterClientReply to '%s'", client->priv->description);
SmsRegisterClientReply (conn, id);
if (IS_STRING_EMPTY (previous_id)) {
/* Send the initial SaveYourself. */
g_debug ("GsmXSMPClient: Sending initial SaveYourself");
SmsSaveYourself (conn, SmSaveLocal, False, SmInteractStyleNone, False);
client->priv->current_save_yourself = SmSaveLocal;
}
gsm_client_set_status (GSM_CLIENT (client), GSM_CLIENT_REGISTERED);
g_free (id);
free (previous_id);
return TRUE;
}
void KSMClient::registerClient( const char* previousId )
{
id = previousId;
if ( !id )
id = safeSmsGenerateClientID( smsConn );
SmsRegisterClientReply( smsConn, (char*) id );
SmsSaveYourself( smsConn, SmSaveLocal, false, SmInteractStyleNone, false );
SmsSaveComplete( smsConn );
KSMServer::self()->clientRegistered( previousId );
}
void KSMServer::phase2Request( KSMClient* client )
{
client->waitForPhase2 = true;
client->wasPhase2 = true;
completeShutdownOrCheckpoint();
if( isWM( client ) && wmPhase1WaitingCount > 0 ) {
--wmPhase1WaitingCount;
// WM finished its phase1 and requests phase2, save the rest
if( wmPhase1WaitingCount == 0 ) {
for ( KSMClient* c = clients.first(); c; c = clients.next() )
if( !isWM( c ))
SmsSaveYourself( c->connection(), saveType, saveType != SmSaveLocal,
saveType != SmSaveLocal ? SmInteractStyleAny : SmInteractStyleNone,
false );
}
}
}
void KSMSaveYourselfRequestProc (
SmsConn smsConn ,
SmPointer /* managerData */,
int saveType,
Bool shutdown,
int interactStyle,
Bool fast,
Bool global
)
{
if ( shutdown ) {
the_server->shutdown( fast ?
KWorkSpace::ShutdownConfirmNo :
KWorkSpace::ShutdownConfirmDefault,
KWorkSpace::ShutdownTypeDefault,
KWorkSpace::ShutdownModeDefault );
} else if ( !global ) {
SmsSaveYourself( smsConn, saveType, false, interactStyle, fast );
SmsSaveComplete( smsConn );
}
// else checkpoint only, ksmserver does not yet support this
// mode. Will come for KDE 3.1
}
static Status
RegisterClientProc(SmsConn smsConn, SmPointer managerData, char *previousId)
{
ClientRec *client = (ClientRec *) managerData;
char *id;
List *cl;
int send_save;
if (verbose)
{
printf (
"On IceConn fd = %d, received REGISTER CLIENT [Previous Id = %s]\n",
IceConnectionNumber (client->ice_conn),
previousId ? previousId : "NULL");
printf ("\n");
}
if (!previousId)
{
id = SmsGenerateClientID (smsConn);
send_save = 1;
}
else
{
int found_match = 0;
send_save = 1;
for (cl = ListFirst (PendingList); cl; cl = ListNext (cl))
{
PendingClient *pendClient = (PendingClient *) cl->thing;
if (!strcmp (pendClient->clientId, previousId))
{
SetInitialProperties (client, pendClient->props);
XtFree (pendClient->clientId);
XtFree (pendClient->clientHostname);
XtFree ((char *) pendClient);
ListFreeOne (cl);
found_match = 1;
send_save = 0;
break;
}
}
if (!found_match)
{
for (cl = ListFirst (RestartAnywayList); cl; cl = ListNext (cl))
{
ClientRec *rClient = (ClientRec *) cl->thing;
if (!strcmp (rClient->clientId, previousId))
{
SetInitialProperties (client, rClient->props);
FreeClient (rClient, False /* don't free props */);
ListFreeOne (cl);
found_match = 1;
send_save = 0;
break;
}
}
}
if (!found_match)
{
for (cl = ListFirst (RestartImmedList); cl; cl = ListNext (cl))
{
ClientRec *rClient = (ClientRec *) cl->thing;
if (!strcmp (rClient->clientId, previousId))
{
SetInitialProperties (client, rClient->props);
FreeClient (rClient, False /* don't free props */);
ListFreeOne (cl);
found_match = 1;
send_save = 0;
break;
}
}
}
if (!found_match)
{
/*
* previous-id was bogus: return bad status and the client
* should re-register with a NULL previous-id
*/
free (previousId);
return (0);
}
else
{
id = previousId;
}
}
SmsRegisterClientReply (smsConn, id);
if (verbose)
{
printf (
"On IceConn fd = %d, sent REGISTER CLIENT REPLY [Client Id = %s]\n",
IceConnectionNumber (client->ice_conn), id);
printf ("\n");
}
client->clientId = id;
client->clientHostname = SmsClientHostName (smsConn);
client->restarted = (previousId != NULL);
if (send_save)
{
SmsSaveYourself (smsConn, SmSaveLocal,
False, SmInteractStyleNone, False);
ListAddLast (InitialSaveList, (char *) client);
}
else if (client_info_visible)
{
/* We already have all required client info */
UpdateClientList ();
XawListHighlight (clientListWidget, current_client_selected);
}
return (1);
}
void KSMServer::shutdown( KApplication::ShutdownConfirm confirm,
KApplication::ShutdownType sdtype, KApplication::ShutdownMode sdmode )
{
pendingShutdown.stop();
if( dialogActive )
return;
if( state >= Shutdown ) // already performing shutdown
return;
if( state != Idle ) // performing startup
{
// perform shutdown as soon as startup is finished, in order to avoid saving partial session
if( !pendingShutdown.isActive())
{
pendingShutdown.start( 1000 );
pendingShutdown_confirm = confirm;
pendingShutdown_sdtype = sdtype;
pendingShutdown_sdmode = sdmode;
}
return;
}
KConfig *config = KGlobal::config();
config->reparseConfiguration(); // config may have changed in the KControl module
config->setGroup("General" );
bool logoutConfirmed =
(confirm == KApplication::ShutdownConfirmYes) ? false :
(confirm == KApplication::ShutdownConfirmNo) ? true :
!config->readBoolEntry( "confirmLogout", true );
bool maysd = false;
if (config->readBoolEntry( "offerShutdown", true ) && DM().canShutdown())
maysd = true;
if (!maysd) {
if (sdtype != KApplication::ShutdownTypeNone &&
sdtype != KApplication::ShutdownTypeDefault &&
logoutConfirmed)
return; /* unsupported fast shutdown */
sdtype = KApplication::ShutdownTypeNone;
} else if (sdtype == KApplication::ShutdownTypeDefault)
sdtype = (KApplication::ShutdownType)
config->readNumEntry( "shutdownType", (int)KApplication::ShutdownTypeNone );
if (sdmode == KApplication::ShutdownModeDefault)
sdmode = KApplication::ShutdownModeInteractive;
dialogActive = true;
QString bopt;
if ( !logoutConfirmed ) {
KSMShutdownFeedback::start(); // make the screen gray
logoutConfirmed =
KSMShutdownDlg::confirmShutdown( maysd, sdtype, bopt );
// ###### We can't make the screen remain gray while talking to the apps,
// because this prevents interaction ("do you want to save", etc.)
// TODO: turn the feedback widget into a list of apps to be closed,
// with an indicator of the current status for each.
KSMShutdownFeedback::stop(); // make the screen become normal again
}
if ( logoutConfirmed ) {
shutdownType = sdtype;
shutdownMode = sdmode;
bootOption = bopt;
// shall we save the session on logout?
saveSession = ( config->readEntry( "loginMode", "restorePreviousLogout" ) == "restorePreviousLogout" );
if ( saveSession )
sessionGroup = QString("Session: ") + SESSION_PREVIOUS_LOGOUT;
// Set the real desktop background to black so that exit looks
// clean regardless of what was on "our" desktop.
kapp->desktop()->setBackgroundColor( Qt::black );
state = Shutdown;
wmPhase1WaitingCount = 0;
saveType = saveSession?SmSaveBoth:SmSaveGlobal;
performLegacySessionSave();
startProtection();
for ( KSMClient* c = clients.first(); c; c = clients.next() ) {
c->resetState();
// Whoever came with the idea of phase 2 got it backwards
// unfortunately. Window manager should be the very first
// one saving session data, not the last one, as possible
// user interaction during session save may alter
// window positions etc.
// Moreover, KWin's focus stealing prevention would lead
// to undesired effects while session saving (dialogs
// wouldn't be activated), so it needs be assured that
// KWin will turn it off temporarily before any other
// user interaction takes place.
// Therefore, make sure the WM finishes its phase 1
// before others a chance to change anything.
// KWin will check if the session manager is ksmserver,
// and if yes it will save in phase 1 instead of phase 2.
if( isWM( c )) {
++wmPhase1WaitingCount;
SmsSaveYourself( c->connection(), saveType,
true, SmInteractStyleAny, false );
}
}
if( wmPhase1WaitingCount == 0 ) { // no WM, simply start them all
for ( KSMClient* c = clients.first(); c; c = clients.next() )
SmsSaveYourself( c->connection(), saveType,
true, SmInteractStyleAny, false );
}
if ( clients.isEmpty() )
completeShutdownOrCheckpoint();
}
dialogActive = false;
}
