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annotate extensions/dbg_rt/dbg_rt.c @ 1554:566bb46cc73f

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Updated copyright information
author Sebastien Decugis <sdecugis@freediameter.net>
date Tue, 06 Oct 2020 21:34:53 +0800
parents 3a40bd55ee74
children
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1 /*********************************************************************************************************
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2 * Software License Agreement (BSD License) *
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3 * Author: Sebastien Decugis <sdecugis@freediameter.net> *
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4 * *
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5 * Copyright (c) 2020, WIDE Project and NICT *
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6 * All rights reserved. *
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7 * *
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8 * Redistribution and use of this software in source and binary forms, with or without modification, are *
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9 * permitted provided that the following conditions are met: *
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10 * *
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11 * * Redistributions of source code must retain the above *
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12 * copyright notice, this list of conditions and the *
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13 * following disclaimer. *
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14 * *
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15 * * Redistributions in binary form must reproduce the above *
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16 * copyright notice, this list of conditions and the *
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17 * following disclaimer in the documentation and/or other *
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18 * materials provided with the distribution. *
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19 * *
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20 * * Neither the name of the WIDE Project or NICT nor the *
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21 * names of its contributors may be used to endorse or *
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22 * promote products derived from this software without *
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23 * specific prior written permission of WIDE Project and *
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24 * NICT. *
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25 * *
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
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29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
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30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *
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31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
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32 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
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33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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34 *********************************************************************************************************/
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35
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36 /*
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37 * Debug-only extension for routing module;
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38 * displays state information at the end of routing information process.
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39 */
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40 #include <freeDiameter/extension.h>
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41
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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
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45 /* Proxying debug callback */
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46 static int dbgrt_fwd_cb(void * cbdata, struct msg ** msg)
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47 {
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48 char * buf = NULL; size_t buflen;
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49 TRACE_ENTRY("%p %p", cbdata, msg);
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50
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51 LOG_D("[dbg_rt] FWD routing message: %p", msg ? *msg : NULL);
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52 if (msg) {
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53 CHECK_MALLOC( fd_msg_dump_treeview(&buf, &buflen, NULL, *msg, NULL, 0, 1) );
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54 LOG_D("%s", buf);
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55 }
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56 free(buf);
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57 return 0;
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58 }
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60 /* Path selection debug callback */
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61 static int dbgrt_out_cb(void * cbdata, struct msg ** pmsg, struct fd_list * candidates)
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62 {
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63 struct fd_list * li;
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64 struct msg * msg = *pmsg;
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65 char * buf = NULL; size_t buflen;
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66
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67 TRACE_ENTRY("%p %p %p", cbdata, msg, candidates);
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68
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69 LOG_D("[dbg_rt] OUT routing message: %p", msg);
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70 CHECK_MALLOC( fd_msg_dump_treeview(&buf, &buflen, NULL, msg, NULL, 0, 1) );
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71 LOG_D("%s", buf);
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72 free(buf);
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73 LOG_D("[dbg_rt] Current list of candidates (%p): (score - id)", msg);
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74
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75 for (li = candidates->next; li != candidates; li = li->next) {
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76 struct rtd_candidate *c = (struct rtd_candidate *) li;
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77 LOG_D("[dbg_rt] %d -\t%s", c->score, c->diamid);
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78 }
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79
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80 return 0;
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81 }
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82
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83 /* Register the callbacks to the daemon */
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84 static int dbgrt_main(char * conffile)
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85 {
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86 TRACE_ENTRY("%p", conffile);
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87
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88 CHECK_FCT( fd_rt_fwd_register ( dbgrt_fwd_cb, NULL, RT_FWD_ALL, &fwd_hdl ) );
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89 CHECK_FCT( fd_rt_out_register ( dbgrt_out_cb, NULL, -1 /* so that it is called late */, &out_hdl ) );
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90
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91 return 0;
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92 }
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93
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94 /* Cleanup the callbacks */
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95 void fd_ext_fini(void)
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96 {
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97 TRACE_ENTRY();
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98
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99 /* Unregister the modules */
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100 CHECK_FCT_DO( fd_rt_fwd_unregister ( fwd_hdl, NULL ), /* continue */ );
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101 CHECK_FCT_DO( fd_rt_out_unregister ( out_hdl, NULL ), /* continue */ );
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102
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103 return ;
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104 }
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105
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106 /* Define the entry point function */
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107 EXTENSION_ENTRY("dbg_rt", dbgrt_main);
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