xrdp/libxrdp/xrdp_tcp.c

88 lines
2.4 KiB
C

/*
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 2004-2010
tcp layer
*/
#include "libxrdp.h"
/*****************************************************************************/
struct xrdp_tcp* APP_CC
xrdp_tcp_create(struct xrdp_iso* owner, struct trans* trans)
{
struct xrdp_tcp* self;
DEBUG((" in xrdp_tcp_create"));
self = (struct xrdp_tcp*)g_malloc(sizeof(struct xrdp_tcp), 1);
self->iso_layer = owner;
self->trans = trans;
DEBUG((" out xrdp_tcp_create"));
return self;
}
/*****************************************************************************/
void APP_CC
xrdp_tcp_delete(struct xrdp_tcp* self)
{
g_free(self);
}
/*****************************************************************************/
/* get out stream ready for data */
/* returns error */
int APP_CC
xrdp_tcp_init(struct xrdp_tcp* self, struct stream* s)
{
init_stream(s, 8192);
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
xrdp_tcp_recv(struct xrdp_tcp* self, struct stream* s, int len)
{
DEBUG((" in xrdp_tcp_recv, gota get %d bytes", len));
init_stream(s, len);
if (trans_force_read_s(self->trans, s, len) != 0)
{
DEBUG((" error in trans_force_read_s"));
return 1;
}
DEBUG((" out xrdp_tcp_recv"));
return 0;
}
/*****************************************************************************/
/* returns error */
int APP_CC
xrdp_tcp_send(struct xrdp_tcp* self, struct stream* s)
{
int len;
len = s->end - s->data;
DEBUG((" in xrdp_tcp_send, gota send %d bytes", len));
if (trans_force_write_s(self->trans, s) != 0)
{
DEBUG((" error in trans_force_write_s"));
return 1;
}
DEBUG((" out xrdp_tcp_send, sent %d bytes ok", len));
return 0;
}