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annotate extensions/rt_redirect/rt_redir.c @ 1293:17e6e6d72c9b

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Added tag 1.2.1-rc2 for changeset 13948c684c35
author Sebastien Decugis <sdecugis@freediameter.net>
date Thu, 18 Jun 2015 22:58:01 +0800
parents 4f6f61e67599
children
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1 /*********************************************************************************************************
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2 * Software License Agreement (BSD License) *
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3 * Authors: Sebastien Decugis <sdecugis@freediameter.net> *
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4 * and Thomas Klausner <tk@giga.or.at> *
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5 * *
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6 * Copyright (c) 2011, 2014, WIDE Project and NICT *
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7 * All rights reserved. *
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8 * *
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9 * Redistribution and use of this software in source and binary forms, with or without modification, are *
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10 * permitted provided that the following conditions are met: *
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11 * *
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12 * * Redistributions of source code must retain the above *
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13 * copyright notice, this list of conditions and the *
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14 * following disclaimer. *
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15 * *
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16 * * Redistributions in binary form must reproduce the above *
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17 * copyright notice, this list of conditions and the *
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18 * following disclaimer in the documentation and/or other *
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19 * materials provided with the distribution. *
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20 * *
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21 * * Neither the name of the WIDE Project or NICT nor the *
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22 * names of its contributors may be used to endorse or *
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23 * promote products derived from this software without *
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24 * specific prior written permission of WIDE Project and *
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25 * NICT. *
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26 * *
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27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
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28 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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29 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
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30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
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31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
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32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
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33 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
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34 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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35 *********************************************************************************************************/
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36
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37 #include "rt_redir.h"
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38
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39 struct dict_object * redir_dict_dr = NULL;
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40 struct dict_object * redir_dict_un = NULL;
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42 static struct fd_rt_fwd_hdl * fwd_hdl = NULL;
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43 static struct fd_rt_out_hdl * out_hdl = NULL;
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44 static pthread_t exp_thr = (pthread_t)NULL;
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45
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46 /* Initialize the module */
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47 static int redir_entry(char * conffile)
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48 {
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49 TRACE_ENTRY("");
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51 /* Dictionary objects */
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52 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Destination-Realm", &redir_dict_dr, ENOENT) );
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53 CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "User-Name", &redir_dict_un, ENOENT) );
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54
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55 /* Initialize the entries array */
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56 CHECK_FCT( redir_entry_init() );
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57
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58 /* Start the expire thread */
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59 CHECK_POSIX( pthread_create( &exp_thr, NULL, redir_exp_thr_fct, NULL ) );
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61 /* Register the callback that receives the answers and processes when it contains a Redirect indication. */
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62 CHECK_FCT( fd_rt_fwd_register ( redir_fwd_cb, NULL, RT_FWD_ANS, &fwd_hdl ) );
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63
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64 /* Register the callback that applies the saved Redirect rules to outgoing messages. */
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65 CHECK_FCT( fd_rt_out_register ( redir_out_cb, NULL, 10, &out_hdl ) );
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66
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67 return 0;
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68 }
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70 EXTENSION_ENTRY("rt_redirect", redir_entry);
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72 /* And terminate it */
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73 void fd_ext_fini(void)
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74 {
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75 /* Unregister the callbacks */
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76 if (fwd_hdl) {
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77 CHECK_FCT_DO( fd_rt_fwd_unregister(fwd_hdl, NULL), );
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78 }
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79 if (out_hdl) {
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80 CHECK_FCT_DO( fd_rt_out_unregister(out_hdl, NULL), );
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81 }
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83 /* Stop the expiry thread */
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84 CHECK_FCT_DO( fd_thr_term(&exp_thr), );
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86 /* Empty all entries */
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87 redir_entry_fini();
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88
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89 return;
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90 }
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