gchar *
xfsm_generate_client_id (SmsConn sms_conn)
{
static char *addr = NULL;
static int sequence = 0;
char *sms_id;
char *id = NULL;
if (sms_conn != NULL)
{
sms_id = SmsGenerateClientID (sms_conn);
if (sms_id != NULL)
{
id = g_strdup (sms_id);
free (sms_id);
}
}
if (id == NULL)
{
if (addr == NULL)
{
/*
* Faking our IP address, the 0 below is "unknown"
* address format (1 would be IP, 2 would be DEC-NET
* format). Stolen from KDE :-)
*/
addr = g_strdup_printf ("0%.8x", g_random_int ());
}
id = (char *) g_malloc (50);
g_snprintf (id, 50, "1%s%.13ld%.10d%.4d", addr,
(long) time (NULL), (int) getpid (), sequence);
sequence = (sequence + 1) % 10000;
}
return id;
}
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);
}
Status
StartSession(char *name, Bool use_default)
{
int database_read = 0;
Dimension width;
char title[256];
/*
* If we're not using the default session, lock it.
* If using the default session, it will be locked as
* soon as the user assigns the session a name.
*/
if (!use_default && !LockSession (name, True))
return (0);
/*
* Get important environment variables.
*/
GetEnvironment ();
/*
* Set the main window's title to the session name.
*/
sprintf (title, "xsm: %s", name);
XtVaSetValues (topLevel,
XtNtitle, title, /* session name */
NULL);
XtRealizeWidget (topLevel);
/*
* Set WM_DELETE_WINDOW support on main window. If the user tries
* to delete the main window, the shutdown prompt will come up.
*/
SetWM_DELETE_WINDOW (topLevel, "DelMainWinAction()");
/*
* Read the session save file. Make sure the session manager
* has an SM_CLIENT_ID, so that other managers (like the WM) can
* identify it.
*/
set_session_save_file_name (name);
if (use_default)
need_to_name_session = True;
else
{
database_read = ReadSave (name, &sm_id);
need_to_name_session = !database_read;
}
if (!sm_id)
{
sm_id = SmsGenerateClientID (NULL);
if (!sm_id) return (0);
}
XChangeProperty (XtDisplay (topLevel), XtWindow (topLevel),
XInternAtom (XtDisplay (topLevel), "SM_CLIENT_ID", False),
XA_STRING, 8, PropModeReplace,
(unsigned char *) sm_id, strlen (sm_id));
/*
* Adjust some label widths
*/
XtVaGetValues (clientInfoButton,
XtNwidth, &width,
NULL);
XtVaSetValues (checkPointButton,
XtNwidth, width,
NULL);
XtVaGetValues (logButton,
XtNwidth, &width,
NULL);
XtVaSetValues (shutdownButton,
XtNwidth, width,
NULL);
XtMapWidget (topLevel);
if (!database_read)
{
/*
* Start default apps (e.g. twm, smproxy)
*/
StartDefaultApps ();
}
else
{
/*
* Restart window manager first. When the session manager
* gets a WM_STATE stored on its top level window, we know
* the window manager is running. At that time, we can start
* the rest of the applications.
*/
XtAddEventHandler (topLevel, PropertyChangeMask, False,
PropertyChangeXtHandler, NULL);
if (!Restart (RESTART_MANAGERS))
{
XtRemoveEventHandler (topLevel, PropertyChangeMask, False,
PropertyChangeXtHandler, NULL);
/*
* Restart the rest of the session aware clients.
*/
Restart (RESTART_REST_OF_CLIENTS);
/*
* Start apps that aren't session aware that were specified
* by the user.
*/
StartNonSessionAwareApps ();
}
}
return (1);
}
