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/*
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., 675 Mass Ave, Cambridge, MA 02139, USA.
xrdp: A Remote Desktop Protocol server.
Copyright (C) Jay Sorg 2004-2005
main rdp process
*/
#include "xrdp.h"
/*****************************************************************************/
struct xrdp_process* xrdp_process_create(struct xrdp_listen* owner)
{
struct xrdp_process* self;
self = (struct xrdp_process*)g_malloc(sizeof(struct xrdp_process), 1);
self->lis_layer = owner;
return self;
}
/*****************************************************************************/
void xrdp_process_delete(struct xrdp_process* self)
{
if (self == 0)
{
return;
}
xrdp_rdp_delete(self->rdp_layer);
xrdp_orders_delete(self->orders);
xrdp_wm_delete(self->wm);
g_free(self);
}
/*****************************************************************************/
int xrdp_process_main_loop(struct xrdp_process* self)
{
int code;
int i;
int cont;
struct stream* s;
make_stream(s);
self->status = 1;
self->rdp_layer = xrdp_rdp_create(self);
g_tcp_set_non_blocking(self->sck);
if (xrdp_rdp_incoming(self->rdp_layer) == 0)
{
while (!g_is_term() && !self->term)
{
i = g_tcp_select(self->sck, self->app_sck);
if (i & 1)
{
init_stream(s, 8192);
cont = 1;
while (cont && !self->term)
{
if (xrdp_rdp_recv(self->rdp_layer, s, &code) != 0)
{
break;
}
DEBUG(("xrdp_process_main_loop code %d\n\r", code));
switch (code)
{
case -1:
xrdp_rdp_send_demand_active(self->rdp_layer);
break;
case 0:
break;
case RDP_PDU_CONFIRM_ACTIVE: /* 3 */
xrdp_rdp_process_confirm_active(self->rdp_layer, s);
break;
case RDP_PDU_DATA: /* 7 */
if (xrdp_rdp_process_data(self->rdp_layer, s) != 0)
{
DEBUG(("xrdp_rdp_process_data returned non zero\n\r"));
cont = 0;
self->term = 1;
}
break;
default:
g_printf("unknown in xrdp_process_main_loop\n\r");
break;
}
if (cont)
{
cont = s->next_packet < s->end;
}
}
if (cont) /* we must have errored out */
{
break;
}
if (self->rdp_layer->up_and_running && self->wm == 0)
{
/* only do this once */
DEBUG(("xrdp_process_main_loop up and running\n\r"));
self->orders = xrdp_orders_create(self);
self->wm = xrdp_wm_create(self);
xrdp_wm_init(self->wm);
}
}
if (i & 2) /* mod socket fired */
{
if (self->wm->mod == 0)
{
break;
}
if (self->wm->mod->mod_signal == 0)
{
break;
}
if (self->wm->mod->mod_signal(self->wm->mod) != 0)
{
break;
}
}
if (i == 0) /* no data on any stream */
{
g_sleep(10);
}
else if (i < 0)
{
break;
}
}
}
if (self->wm->mod != 0)
{
if (self->wm->mod->mod_end != 0)
{
self->wm->mod->mod_end(self->wm->mod);
}
}
xrdp_rdp_disconnect(self->rdp_layer);
xrdp_rdp_delete(self->rdp_layer);
self->rdp_layer = 0;
g_tcp_close(self->sck);
self->status = -1;
xrdp_listen_delete_pro(self->lis_layer, self);
free_stream(s);
return 0;
}
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