src/discovery.c

   1 /**************************************************************************/
   2 /* ---------------------------------------------------------------------- */
   3 /* Copyright (C) 2006 - 2008 FRESCOR consortium partners:                 */
   4 /*                                                                        */
   5 /*   Universidad de Cantabria,              SPAIN                         */
   6 /*   University of York,                    UK                            */
   7 /*   Scuola Superiore Sant'Anna,            ITALY                         */
   8 /*   Kaiserslautern University,             GERMANY                       */
   9 /*   Univ. Politécnica  Valencia,           SPAIN                        */
  10 /*   Czech Technical University in Prague,  CZECH REPUBLIC                */
  11 /*   ENEA                                   SWEDEN                        */
  12 /*   Thales Communication S.A.              FRANCE                        */
  13 /*   Visual Tools S.A.                      SPAIN                         */
  14 /*   Rapita Systems Ltd                     UK                            */
  15 /*   Evidence                               ITALY                         */
  16 /*                                                                        */
  17 /*   See http://www.frescor.org for a link to partners' websites          */
  18 /*                                                                        */
  19 /*          FRESCOR project (FP6/2005/IST/5-034026) is funded             */
  20 /*       in part by the European Union Sixth Framework Programme          */
  21 /*       The European Union is not liable of any use that may be          */
  22 /*       made of this code.                                               */
  23 /*                                                                        */
  24 /*                                                                        */
  25 /*  This file is part of FORB (Frescor Object Request Broker)             */
  26 /*                                                                        */
  27 /* FORB is free software; you can redistribute it and/or modify it        */
  28 /* under terms of the GNU General Public License as published by the      */
  29 /* Free Software Foundation; either version 2, or (at your option) any    */
  30 /* later version.  FORB is distributed in the hope that it will be        */
  31 /* useful, but WITHOUT ANY WARRANTY; without even the implied warranty    */
  32 /* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU    */
  33 /* General Public License for more details. You should have received a    */
  34 /* copy of the GNU General Public License along with FORB; see file       */
  35 /* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave,  */
  36 /* Cambridge, MA 02139, USA.                                              */
  37 /*                                                                        */
  38 /* As a special exception, including FORB header files in a file,         */
  39 /* instantiating FORB generics or templates, or linking other files       */
  40 /* with FORB objects to produce an executable application, does not       */
  41 /* by itself cause the resulting executable application to be covered     */
  42 /* by the GNU General Public License. This exception does not             */
  43 /* however invalidate any other reasons why the executable file might be  */
  44 /* covered by the GNU Public License.                                     */
  45 /**************************************************************************/
  46
  47 #include "discovery.h"
  48 #include <ul_log.h>
  49 #include "object.h"
  50
  51 extern UL_LOG_CUST(ulogd_forb_discovery);
  52
  53 void forb_new_peer_discovered(forb_port_t *port, forb_peer_t *peer,
  54                          forb_server_id server_id, void *addr,
  55                          CORBA_string orb_id)
  56 {
  57         forb_t *forb = port->forb;
  58         bool notify_waiters = false;
  59         if (peer && peer->state == FORB_PEER_WANTED) {
  60                 notify_waiters = true;
  61         } else if (!peer) {
  62                 peer = forb_peer_new();
  63         }
  64         if (!peer)
  65                 return;
  66
  67         fosa_mutex_lock(&forb->peer_mutex);
  68         peer->server_id = server_id;
  69         peer->port = port;
  70         peer->addr = addr;
  71         peer->orb_id = orb_id;
  72         peer->state = FORB_PEER_DISCOVERED;
  73         if (notify_waiters) {
  74                 fosa_cond_broadcast(&peer->cond);
  75         } else {
  76                 forb_peer_nolock_insert(forb, forb_peer_get(peer));
  77         }
  78         forb_port_peer_ins_tail(port, forb_peer_get(peer));
  79         fosa_mutex_unlock(&forb->peer_mutex);
  80         {
  81                 char str[60];
  82                 ul_logdeb("new peer discovered %s (orb_id '%s')\n",
  83                           forb_server_id_to_string(str, &peer->server_id, sizeof(str)),
  84                           orb_id);
  85         }
  86         if (forb->attr.peer_discovery_callback) {
  87                 forb_orb peer_orb = forb_object_new(forb->orb, &peer->server_id, 0);
  88                 forb->attr.peer_discovery_callback(peer_orb, orb_id);
  89                 forb_object_release(peer_orb);
  90         }
  91         forb_peer_put(peer);
  92
  93         /* Broadcast our hello packet now */
  94         forb_syncobj_signal(&port->hello);
  95 }