diff --git a/libxrdp/libxrdp.c b/libxrdp/libxrdp.c
index 23689db5..7e7446dd 100644
--- a/libxrdp/libxrdp.c
+++ b/libxrdp/libxrdp.c
@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004-2009
+   Copyright (C) Jay Sorg 2004-2010
 
    this is the interface to libxrdp
 
@@ -24,13 +24,13 @@
 
 /******************************************************************************/
 struct xrdp_session* EXPORT_CC
-libxrdp_init(long id, int sck)
+libxrdp_init(tbus id, struct trans* trans)
 {
   struct xrdp_session* session;
 
   session = (struct xrdp_session*)g_malloc(sizeof(struct xrdp_session), 1);
   session->id = id;
-  session->rdp = xrdp_rdp_create(session, sck);
+  session->rdp = xrdp_rdp_create(session, trans);
   session->orders = xrdp_orders_create(session, (struct xrdp_rdp*)session->rdp);
   session->client_info = &(((struct xrdp_rdp*)session->rdp)->client_info);
   make_stream(session->s);
diff --git a/libxrdp/libxrdp.h b/libxrdp/libxrdp.h
index 65b69b89..cff56a7c 100644
--- a/libxrdp/libxrdp.h
+++ b/libxrdp/libxrdp.h
@@ -28,6 +28,7 @@
 #endif
 #include "arch.h"
 #include "parse.h"
+#include "trans.h"
 #include "xrdp_constants.h"
 #include "defines.h"
 #include "os_calls.h"
@@ -40,8 +41,7 @@
 /* tcp */
 struct xrdp_tcp
 {
-  int sck;
-  int sck_closed;
+  struct trans* trans;
   struct xrdp_iso* iso_layer; /* owner */
 };
 
@@ -214,7 +214,7 @@ struct xrdp_orders
 
 /* xrdp_tcp.c */
 struct xrdp_tcp* APP_CC
-xrdp_tcp_create(struct xrdp_iso* owner, int sck);
+xrdp_tcp_create(struct xrdp_iso* owner, struct trans* trans);
 void APP_CC
 xrdp_tcp_delete(struct xrdp_tcp* self);
 int APP_CC
@@ -226,7 +226,7 @@ xrdp_tcp_send(struct xrdp_tcp* self, struct stream* s);
 
 /* xrdp_iso.c */
 struct xrdp_iso* APP_CC
-xrdp_iso_create(struct xrdp_mcs* owner, int sck);
+xrdp_iso_create(struct xrdp_mcs* owner, struct trans* trans);
 void APP_CC
 xrdp_iso_delete(struct xrdp_iso* self);
 int APP_CC
@@ -240,7 +240,7 @@ xrdp_iso_incoming(struct xrdp_iso* self);
 
 /* xrdp_mcs.c */
 struct xrdp_mcs* APP_CC
-xrdp_mcs_create(struct xrdp_sec* owner, int sck,
+xrdp_mcs_create(struct xrdp_sec* owner, struct trans* trans,
                 struct stream* client_mcs_data,
                 struct stream* server_mcs_data);
 void APP_CC
@@ -258,7 +258,7 @@ xrdp_mcs_disconnect(struct xrdp_mcs* self);
 
 /* xrdp_sec.c */
 struct xrdp_sec* APP_CC
-xrdp_sec_create(struct xrdp_rdp* owner, int sck, int crypt_level,
+xrdp_sec_create(struct xrdp_rdp* owner, struct trans* trans, int crypt_level,
                 int channel_code);
 void APP_CC
 xrdp_sec_delete(struct xrdp_sec* self);
@@ -279,7 +279,7 @@ xrdp_sec_disconnect(struct xrdp_sec* self);
 
 /* xrdp_rdp.c */
 struct xrdp_rdp* APP_CC
-xrdp_rdp_create(struct xrdp_session* session, int sck);
+xrdp_rdp_create(struct xrdp_session* session, struct trans* trans);
 void APP_CC
 xrdp_rdp_delete(struct xrdp_rdp* self);
 int APP_CC
diff --git a/libxrdp/libxrdpinc.h b/libxrdp/libxrdpinc.h
index db54ce33..524acafa 100644
--- a/libxrdp/libxrdpinc.h
+++ b/libxrdp/libxrdpinc.h
@@ -101,7 +101,7 @@ struct xrdp_rect
 struct xrdp_session
 {
   long id;
-  int sck;
+  struct trans* trans;
   int (*callback)(long id, int msg, long param1, long param2, long param3,
                   long param4);
   void* rdp;
@@ -113,7 +113,7 @@ struct xrdp_session
 };
 
 struct xrdp_session* DEFAULT_CC
-libxrdp_init(long id, int sck);
+libxrdp_init(tbus id, struct trans* trans);
 int DEFAULT_CC
 libxrdp_exit(struct xrdp_session* session);
 int DEFAULT_CC
diff --git a/libxrdp/xrdp_iso.c b/libxrdp/xrdp_iso.c
index 939f19ab..7fee92e6 100644
--- a/libxrdp/xrdp_iso.c
+++ b/libxrdp/xrdp_iso.c
@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004-2009
+   Copyright (C) Jay Sorg 2004-2010
 
    iso layer
 
@@ -24,14 +24,14 @@
 
 /*****************************************************************************/
 struct xrdp_iso* APP_CC
-xrdp_iso_create(struct xrdp_mcs* owner, int sck)
+xrdp_iso_create(struct xrdp_mcs* owner, struct trans* trans)
 {
   struct xrdp_iso* self;
 
   DEBUG(("   in xrdp_iso_create"));
   self = (struct xrdp_iso*)g_malloc(sizeof(struct xrdp_iso), 1);
   self->mcs_layer = owner;
-  self->tcp_layer = xrdp_tcp_create(self, sck);
+  self->tcp_layer = xrdp_tcp_create(self, trans);
   DEBUG(("   out xrdp_iso_create"));
   return self;
 }
diff --git a/libxrdp/xrdp_mcs.c b/libxrdp/xrdp_mcs.c
index 8a3406be..af65faf2 100644
--- a/libxrdp/xrdp_mcs.c
+++ b/libxrdp/xrdp_mcs.c
@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004-2009
+   Copyright (C) Jay Sorg 2004-2010
 
    mcs layer
 
@@ -24,7 +24,7 @@
 
 /*****************************************************************************/
 struct xrdp_mcs* APP_CC
-xrdp_mcs_create(struct xrdp_sec* owner, int sck,
+xrdp_mcs_create(struct xrdp_sec* owner, struct trans* trans,
                 struct stream* client_mcs_data,
                 struct stream* server_mcs_data)
 {
@@ -37,7 +37,7 @@ xrdp_mcs_create(struct xrdp_sec* owner, int sck,
   self->chanid = 1001;
   self->client_mcs_data = client_mcs_data;
   self->server_mcs_data = server_mcs_data;
-  self->iso_layer = xrdp_iso_create(self, sck);
+  self->iso_layer = xrdp_iso_create(self, trans);
   self->channel_list = list_create();
   DEBUG(("  out xrdp_mcs_create"));
   return self;
diff --git a/libxrdp/xrdp_rdp.c b/libxrdp/xrdp_rdp.c
index 1eea4f46..63019b0d 100644
--- a/libxrdp/xrdp_rdp.c
+++ b/libxrdp/xrdp_rdp.c
@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004-2009
+   Copyright (C) Jay Sorg 2004-2010
 
    rdp layer
 
@@ -122,7 +122,7 @@ xrdp_rdp_read_config(struct xrdp_client_info* client_info)
 
 /*****************************************************************************/
 struct xrdp_rdp* APP_CC
-xrdp_rdp_create(struct xrdp_session* session, int sck)
+xrdp_rdp_create(struct xrdp_session* session, struct trans* trans)
 {
   struct xrdp_rdp* self;
 
@@ -133,7 +133,7 @@ xrdp_rdp_create(struct xrdp_session* session, int sck)
   /* read ini settings */
   xrdp_rdp_read_config(&self->client_info);
   /* create sec layer */
-  self->sec_layer = xrdp_sec_create(self, sck, self->client_info.crypt_level,
+  self->sec_layer = xrdp_sec_create(self, trans, self->client_info.crypt_level,
                                     self->client_info.channel_code);
   /* default 8 bit v1 color bitmap cache entries and size */
   self->client_info.cache1_entries = 600;
diff --git a/libxrdp/xrdp_sec.c b/libxrdp/xrdp_sec.c
index 758283ad..99067ba7 100644
--- a/libxrdp/xrdp_sec.c
+++ b/libxrdp/xrdp_sec.c
@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004-2009
+   Copyright (C) Jay Sorg 2004-2010
 
    secure layer
 
@@ -124,7 +124,7 @@ hex_str_to_bin(char* in, char* out, int out_len)
 
 /*****************************************************************************/
 struct xrdp_sec* APP_CC
-xrdp_sec_create(struct xrdp_rdp* owner, int sck, int crypt_level,
+xrdp_sec_create(struct xrdp_rdp* owner, struct trans* trans, int crypt_level,
                 int channel_code)
 {
   struct xrdp_sec* self;
@@ -152,7 +152,7 @@ xrdp_sec_create(struct xrdp_rdp* owner, int sck, int crypt_level,
   self->channel_code = channel_code;
   self->decrypt_rc4_info = ssl_rc4_info_create();
   self->encrypt_rc4_info = ssl_rc4_info_create();
-  self->mcs_layer = xrdp_mcs_create(self, sck, &self->client_mcs_data,
+  self->mcs_layer = xrdp_mcs_create(self, trans, &self->client_mcs_data,
                                     &self->server_mcs_data);
   self->chan_layer = xrdp_channel_create(self, self->mcs_layer);
   DEBUG((" out xrdp_sec_create"));
diff --git a/libxrdp/xrdp_tcp.c b/libxrdp/xrdp_tcp.c
index 67ba1f68..86a79ea7 100644
--- a/libxrdp/xrdp_tcp.c
+++ b/libxrdp/xrdp_tcp.c
@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004-2009
+   Copyright (C) Jay Sorg 2004-2010
 
    tcp layer
 
@@ -24,14 +24,14 @@
 
 /*****************************************************************************/
 struct xrdp_tcp* APP_CC
-xrdp_tcp_create(struct xrdp_iso* owner, int sck)
+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->sck = sck;
+  self->trans = trans;
   DEBUG(("    out xrdp_tcp_create"));
   return self;
 }
@@ -58,54 +58,12 @@ xrdp_tcp_init(struct xrdp_tcp* self, struct stream* s)
 int APP_CC
 xrdp_tcp_recv(struct xrdp_tcp* self, struct stream* s, int len)
 {
-  int rcvd;
-  struct xrdp_session* session;
-
-  if (self->sck_closed)
-  {
-    DEBUG(("    in xrdp_tcp_recv, sck closed"));
-    return 1;
-  }
   DEBUG(("    in xrdp_tcp_recv, gota get %d bytes", len));
-  session = self->iso_layer->mcs_layer->sec_layer->rdp_layer->session;
   init_stream(s, len);
-  while (len > 0)
+  if (trans_force_read_s(self->trans, s, len) != 0)
   {
-    rcvd = g_tcp_recv(self->sck, s->end, len, 0);
-    if (rcvd == -1)
-    {
-      if (g_tcp_last_error_would_block(self->sck))
-      {
-        if (!g_tcp_can_recv(self->sck, 10))
-        {
-          if (session->is_term != 0)
-          {
-            if (session->is_term())
-            {
-              DEBUG(("    out xrdp_tcp_recv, terminated"));
-              return 1;
-            }
-          }
-        }
-      }
-      else
-      {
-        self->sck_closed = 1;
-        DEBUG(("    error = -1 in xrdp_tcp_recv socket %d", self->sck));
-        return 1;
-      }
-    }
-    else if (rcvd == 0)
-    {
-      self->sck_closed = 1;
-      DEBUG(("    error = 0 in xrdp_tcp_recv socket %d", self->sck));
-      return 1;
-    }
-    else
-    {
-      s->end += rcvd;
-      len -= rcvd;
-    }
+    DEBUG(("    error in trans_force_read_s"));
+    return 1;
   }
   DEBUG(("    out xrdp_tcp_recv"));
   return 0;
@@ -116,59 +74,11 @@ xrdp_tcp_recv(struct xrdp_tcp* self, struct stream* s, int len)
 int APP_CC
 xrdp_tcp_send(struct xrdp_tcp* self, struct stream* s)
 {
-  int len;
-  int total;
-  int sent;
-  struct xrdp_session* session;
-
-  if (self->sck_closed)
-  {
-    DEBUG(("    in xrdp_tcp_send, sck closed"));
-    return 1;
-  }
-  len = s->end - s->data;
   DEBUG(("    in xrdp_tcp_send, gota send %d bytes", len));
-  session = self->iso_layer->mcs_layer->sec_layer->rdp_layer->session;
-  total = 0;
-  while (total < len)
+  if (trans_force_write_s(self->trans, s) != 0)
   {
-    sent = g_tcp_send(self->sck, s->data + total, len - total, 0);
-    if (sent == -1)
-    {
-      if (g_tcp_last_error_would_block(self->sck))
-      {
-        if (!g_tcp_can_send(self->sck, 10))
-        {
-          if (session->is_term != 0)
-          {
-            if (session->is_term())
-            {
-              DEBUG(("    out xrdp_tcp_send, terminated"));
-              return 1;
-            }
-          }
-        }
-      }
-      else
-      {
-        self->sck_closed = 1;
-        DEBUG(("    error = -1 in xrdp_tcp_send socket %d", self->sck));
-        return 1;
-      }
-    }
-    else if (sent == 0)
-    {
-      self->sck_closed = 1;
-      DEBUG(("    error = 0 in xrdp_tcp_send socket %d", self->sck));
-      return 1;
-    }
-    else
-    {
-#if defined(XRDP_DEBUG)
-      g_hexdump(s->data + total, sent);
-#endif
-      total = total + sent;
-    }
+    DEBUG(("    error in trans_force_write_s"));
+    return 1;
   }
   DEBUG(("    out xrdp_tcp_send, sent %d bytes ok", len));
   return 0;
diff --git a/xrdp/xrdp.h b/xrdp/xrdp.h
index 4cec5931..1ff1afc3 100644
--- a/xrdp/xrdp.h
+++ b/xrdp/xrdp.h
@@ -26,6 +26,7 @@
 #endif
 #include "arch.h"
 #include "parse.h"
+#include "trans.h"
 #include "libxrdpinc.h"
 #include "xrdp_types.h"
 #include "xrdp_constants.h"
@@ -36,7 +37,6 @@
 #include "list.h"
 #include "file.h"
 #include "file_loc.h"
-#include "trans.h"
 
 /* xrdp.c */
 long APP_CC
diff --git a/xrdp/xrdp_listen.c b/xrdp/xrdp_listen.c
index a596eba0..1d3b3de1 100644
--- a/xrdp/xrdp_listen.c
+++ b/xrdp/xrdp_listen.c
@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004-2009
+   Copyright (C) Jay Sorg 2004-2010
 
    listen for incoming connection
 
@@ -44,6 +44,11 @@ xrdp_listen_create(void)
   {
     g_process_sem = tc_sem_create(0);
   }
+  self->listen_trans = trans_create(TRANS_MODE_TCP, 16, 16);
+  if (self->listen_trans == 0)
+  {
+    g_writeln("xrdp_listen_main_loop: trans_create failed");
+  }
   return self;
 }
 
@@ -51,6 +56,10 @@ xrdp_listen_create(void)
 void APP_CC
 xrdp_listen_delete(struct xrdp_listen* self)
 {
+  if (self->listen_trans != 0)
+  {
+    trans_delete(self->listen_trans);
+  }
   if (g_process_sem != 0)
   {
     tc_sem_delete(g_process_sem);
@@ -158,6 +167,32 @@ xrdp_listen_get_port(char* port, int port_bytes)
   return 0;
 }
 
+/*****************************************************************************/
+/* a new connection is coming in */
+int DEFAULT_CC
+xrdp_listen_conn_in(struct trans* self, struct trans* new_self)
+{
+  struct xrdp_process* process;
+  struct xrdp_listen* lis;
+
+  g_writeln("hello");
+  lis = (struct xrdp_listen*)(self->callback_data);
+  process = xrdp_process_create(lis, lis->pro_done_event);
+  if (xrdp_listen_add_pro(lis, process) == 0)
+  {
+    /* start thread */
+    process->server_trans = new_self;
+    g_process = process;
+    tc_thread_create(xrdp_process_run, 0);
+    tc_sem_dec(g_process_sem); /* this will wait */
+  }
+  else
+  {
+    xrdp_process_delete(process);
+  }
+  return 0;
+}
+
 /*****************************************************************************/
 /* wait for incoming connections */
 int APP_CC
@@ -166,32 +201,28 @@ xrdp_listen_main_loop(struct xrdp_listen* self)
   int error;
   int robjs_count;
   int cont;
+  int timeout;
   char port[8];
   tbus robjs[8];
   tbus term_obj;
   tbus sync_obj;
   tbus sck_obj;
   tbus done_obj;
-  struct xrdp_process* process;
 
   self->status = 1;
-  xrdp_listen_get_port(port, sizeof(port));
-  self->sck = g_tcp_socket();
-  g_tcp_set_non_blocking(self->sck);
-  error = g_tcp_bind(self->sck, port);
-  if (error != 0)
+  if (xrdp_listen_get_port(port, sizeof(port)) != 0)
   {
-    g_writeln("bind error in xrdp_listen_main_loop");
-    g_tcp_close(self->sck);
+    g_writeln("xrdp_listen_main_loop: xrdp_listen_get_port failed");
     self->status = -1;
     return 1;
   }
-  error = g_tcp_listen(self->sck);
+  error = trans_listen(self->listen_trans, port);
   if (error == 0)
   {
+    self->listen_trans->trans_conn_in = xrdp_listen_conn_in;
+    self->listen_trans->callback_data = self;
     term_obj = g_get_term_event();
     sync_obj = g_get_sync_event();
-    sck_obj = g_create_wait_obj_from_socket(self->sck, 0);
     done_obj = self->pro_done_event;
     cont = 1;
     while (cont)
@@ -200,10 +231,15 @@ xrdp_listen_main_loop(struct xrdp_listen* self)
       robjs_count = 0;
       robjs[robjs_count++] = term_obj;
       robjs[robjs_count++] = sync_obj;
-      robjs[robjs_count++] = sck_obj;
       robjs[robjs_count++] = done_obj;
+      timeout = -1;
+      if (trans_get_wait_objs(self->listen_trans, robjs, &robjs_count,
+                              &timeout) != 0)
+      {
+        break;
+      }
       /* wait */
-      if (g_obj_wait(robjs, robjs_count, 0, 0, -1) != 0)
+      if (g_obj_wait(robjs, robjs_count, 0, 0, timeout) != 0)
       {
         /* error, should not get here */
         g_sleep(100);
@@ -217,45 +253,19 @@ xrdp_listen_main_loop(struct xrdp_listen* self)
         g_reset_wait_obj(sync_obj);
         g_loop();
       }
-      if (g_is_wait_obj_set(sck_obj)) /* incomming connection */
-      {
-        error = g_tcp_accept(self->sck);
-        if ((error == -1) && g_tcp_last_error_would_block(self->sck))
-        {
-          /* should not get here */
-          g_sleep(100);
-        }
-        else if (error == -1)
-        {
-          /* error, should not get here */
-          break;
-        }
-        else
-        {
-          process = xrdp_process_create(self, self->pro_done_event);
-          if (xrdp_listen_add_pro(self, process) == 0)
-          {
-            /* start thread */
-            process->sck = error;
-            g_process = process;
-            tc_thread_create(xrdp_process_run, 0);
-            tc_sem_dec(g_process_sem); /* this will wait */
-          }
-          else
-          {
-            xrdp_process_delete(process);
-          }
-        }
-      }
       if (g_is_wait_obj_set(done_obj)) /* pro_done_event */
       {
         g_reset_wait_obj(done_obj);
         xrdp_listen_delete_done_pro(self);
       }
+      if (trans_check_wait_objs(self->listen_trans) != 0)
+      {
+        break;  
+      }
     }
     /* stop listening */
-    g_delete_wait_obj_from_socket(sck_obj);
-    g_tcp_close(self->sck);
+    trans_delete(self->listen_trans);
+    self->listen_trans = 0;
     /* second loop to wait for all process threads to close */
     cont = 1;
     while (cont)
diff --git a/xrdp/xrdp_mm.c b/xrdp/xrdp_mm.c
index f3327767..f4cb6d5d 100644
--- a/xrdp/xrdp_mm.c
+++ b/xrdp/xrdp_mm.c
@@ -14,7 +14,7 @@
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
    xrdp: A Remote Desktop Protocol server.
-   Copyright (C) Jay Sorg 2004-2009
+   Copyright (C) Jay Sorg 2004-2010
 
    module manager
 
@@ -660,13 +660,13 @@ xrdp_mm_process_login_response(struct xrdp_mm* self, struct stream* s)
         if (strcmp(ip, "127.0.0.1") == 0)
         {
           /* unix socket */
-          self->chan_trans = trans_create(2, 8192, 8192);
+          self->chan_trans = trans_create(TRANS_MODE_UNIX, 8192, 8192);
           g_snprintf(port, 255, "/tmp/xrdp_chansrv_socket_%d", 7200 + display);
         }
         else
         {
           /* tcp */
-          self->chan_trans = trans_create(1, 8192, 8192);
+          self->chan_trans = trans_create(TRANS_MODE_TCP, 8192, 8192);
           g_snprintf(port, 255, "%d", 7200 + display);
         }
         self->chan_trans->trans_data_in = xrdp_mm_chan_data_in;
@@ -896,7 +896,7 @@ xrdp_mm_connect(struct xrdp_mm* self)
     ok = 0;
     errstr[0] = 0;
     trans_delete(self->sesman_trans);
-    self->sesman_trans = trans_create(1, 8192, 8192);
+    self->sesman_trans = trans_create(TRANS_MODE_TCP, 8192, 8192);
     xrdp_mm_get_sesman_port(port, sizeof(port));
     g_snprintf(text, 255, "connecting to sesman ip %s port %s", ip, port);
     xrdp_wm_log_msg(self->wm, text);
diff --git a/xrdp/xrdp_process.c b/xrdp/xrdp_process.c
index 8deb1ba2..c5eab510 100644
--- a/xrdp/xrdp_process.c
+++ b/xrdp/xrdp_process.c
@@ -56,6 +56,7 @@ xrdp_process_delete(struct xrdp_process* self)
   g_delete_wait_obj(self->self_term_event);
   libxrdp_exit(self->session);
   xrdp_wm_delete(self->wm);
+  trans_delete(self->server_trans);
   g_free(self);
 }
 
@@ -110,6 +111,21 @@ xrdp_process_mod_end(struct xrdp_process* self)
   return 0;
 }
 
+/*****************************************************************************/
+static int DEFAULT_CC
+xrdp_process_data_in(struct trans* self)
+{
+  struct xrdp_process* pro;
+
+  DEBUG(("xrdp_process_data_in"));
+  pro = (struct xrdp_process*)(self->callback_data);
+  if (xrdp_process_loop(pro) != 0)
+  {
+    return 1;
+  }
+  return 0;
+}
+
 /*****************************************************************************/
 int APP_CC
 xrdp_process_main_loop(struct xrdp_process* self)
@@ -121,20 +137,19 @@ xrdp_process_main_loop(struct xrdp_process* self)
   tbus robjs[32];
   tbus wobjs[32];
   tbus term_obj;
-  tbus sck_obj;
 
+  DEBUG(("xrdp_process_main_loop"));
   self->status = 1;
-  self->session = libxrdp_init((long)self, self->sck);
+  self->server_trans->trans_data_in = xrdp_process_data_in;
+  self->server_trans->callback_data = self;
+  self->session = libxrdp_init((tbus)self, self->server_trans);
   /* this callback function is in xrdp_wm.c */
   self->session->callback = callback;
   /* this function is just above */
   self->session->is_term = xrdp_is_term;
-  g_tcp_set_non_blocking(self->sck);
-  g_tcp_set_no_delay(self->sck);
   if (libxrdp_process_incomming(self->session) == 0)
   {
     term_obj = g_get_term_event();
-    sck_obj = g_create_wait_obj_from_socket(self->sck, 0);
     cont = 1;
     while (cont)
     {
@@ -143,10 +158,10 @@ xrdp_process_main_loop(struct xrdp_process* self)
       robjs_count = 0;
       wobjs_count = 0;
       robjs[robjs_count++] = term_obj;
-      robjs[robjs_count++] = sck_obj;
       robjs[robjs_count++] = self->self_term_event;
       xrdp_wm_get_wait_objs(self->wm, robjs, &robjs_count,
                             wobjs, &wobjs_count, &timeout);
+      trans_get_wait_objs(self->server_trans, robjs, &robjs_count, &timeout);
       /* wait */
       if (g_obj_wait(robjs, robjs_count, wobjs, wobjs_count, timeout) != 0)
       {
@@ -161,25 +176,20 @@ xrdp_process_main_loop(struct xrdp_process* self)
       {
         break;
       }
-      if (g_is_wait_obj_set(sck_obj)) /* incomming client data */
+      if (xrdp_wm_check_wait_objs(self->wm) != 0)
       {
-        if (xrdp_process_loop(self) != 0)
-        {
-          break;
-        }
+        break;
       }
-      if (xrdp_wm_check_wait_objs(self->wm) != 0)
+      if (trans_check_wait_objs(self->server_trans) != 0)
       {
         break;
       }
     }
-    g_delete_wait_obj_from_socket(sck_obj);
     libxrdp_disconnect(self->session);
   }
   xrdp_process_mod_end(self);
   libxrdp_exit(self->session);
   self->session = 0;
-  g_tcp_close(self->sck);
   self->status = -1;
   g_set_wait_obj(self->done_event);
   return 0;
diff --git a/xrdp/xrdp_types.h b/xrdp/xrdp_types.h
index 33dc2795..0e1d6b32 100644
--- a/xrdp/xrdp_types.h
+++ b/xrdp/xrdp_types.h
@@ -269,13 +269,13 @@ struct xrdp_wm
 struct xrdp_process
 {
   int status;
-  int sck;
+  struct trans* server_trans; /* in tcp server mode */
   tbus self_term_event;
   struct xrdp_listen* lis_layer; /* owner */
   struct xrdp_session* session;
   /* create these when up and running */
   struct xrdp_wm* wm;
-  int app_sck;
+  //int app_sck;
   tbus done_event;
   int session_id;
 };
@@ -284,7 +284,7 @@ struct xrdp_process
 struct xrdp_listen
 {
   int status;
-  int sck;
+  struct trans* listen_trans; /* in tcp listen mode */
   struct list* process_list;
   tbus pro_done_event;
 };