| /********************************************************************************************************* |
| * Software License Agreement (BSD License) * |
| * Authors: Sebastien Decugis <sdecugis@freediameter.net> * |
| * and Thomas Klausner <tk@giga.or.at> * |
| * * |
| * Copyright (c) 2011, 2014, WIDE Project and NICT * |
| * All rights reserved. * |
| * * |
| * Redistribution and use of this software in source and binary forms, with or without modification, are * |
| * permitted provided that the following conditions are met: * |
| * * |
| * * Redistributions of source code must retain the above * |
| * copyright notice, this list of conditions and the * |
| * following disclaimer. * |
| * * |
| * * Redistributions in binary form must reproduce the above * |
| * copyright notice, this list of conditions and the * |
| * following disclaimer in the documentation and/or other * |
| * materials provided with the distribution. * |
| * * |
| * * Neither the name of the WIDE Project or NICT nor the * |
| * names of its contributors may be used to endorse or * |
| * promote products derived from this software without * |
| * specific prior written permission of WIDE Project and * |
| * NICT. * |
| * * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * |
| * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * |
| * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * |
| *********************************************************************************************************/ |
| |
| #include "rt_redir.h" |
| |
| struct dict_object * redir_dict_dr = NULL; |
| struct dict_object * redir_dict_un = NULL; |
| |
| static struct fd_rt_fwd_hdl * fwd_hdl = NULL; |
| static struct fd_rt_out_hdl * out_hdl = NULL; |
| static pthread_t exp_thr = (pthread_t)NULL; |
| |
| /* Initialize the module */ |
| static int redir_entry(char * conffile) |
| { |
| TRACE_ENTRY(""); |
| |
| /* Dictionary objects */ |
| CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Destination-Realm", &redir_dict_dr, ENOENT) ); |
| CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "User-Name", &redir_dict_un, ENOENT) ); |
| |
| /* Initialize the entries array */ |
| CHECK_FCT( redir_entry_init() ); |
| |
| /* Start the expire thread */ |
| CHECK_POSIX( pthread_create( &exp_thr, NULL, redir_exp_thr_fct, NULL ) ); |
| |
| /* Register the callback that receives the answers and processes when it contains a Redirect indication. */ |
| CHECK_FCT( fd_rt_fwd_register ( redir_fwd_cb, NULL, RT_FWD_ANS, &fwd_hdl ) ); |
| |
| /* Register the callback that applies the saved Redirect rules to outgoing messages. */ |
| CHECK_FCT( fd_rt_out_register ( redir_out_cb, NULL, 10, &out_hdl ) ); |
| |
| return 0; |
| } |
| |
| EXTENSION_ENTRY("rt_redirect", redir_entry); |
| |
| /* And terminate it */ |
| void fd_ext_fini(void) |
| { |
| /* Unregister the callbacks */ |
| if (fwd_hdl) { |
| CHECK_FCT_DO( fd_rt_fwd_unregister(fwd_hdl, NULL), ); |
| } |
| if (out_hdl) { |
| CHECK_FCT_DO( fd_rt_out_unregister(out_hdl, NULL), ); |
| } |
| |
| /* Stop the expiry thread */ |
| CHECK_FCT_DO( fd_thr_term(&exp_thr), ); |
| |
| /* Empty all entries */ |
| redir_entry_fini(); |
| |
| return; |
| } |