Brian Waters | 13d9601 | 2017-12-08 16:53:31 -0600 | [diff] [blame] | 1 | /********************************************************************************************************* |
| 2 | * Software License Agreement (BSD License) * |
| 3 | * Author: Sebastien Decugis <sdecugis@freediameter.net> * |
| 4 | * * |
| 5 | * Copyright (c) 2013, WIDE Project and NICT * |
| 6 | * All rights reserved. * |
| 7 | * * |
| 8 | * Redistribution and use of this software in source and binary forms, with or without modification, are * |
| 9 | * permitted provided that the following conditions are met: * |
| 10 | * * |
| 11 | * * Redistributions of source code must retain the above * |
| 12 | * copyright notice, this list of conditions and the * |
| 13 | * following disclaimer. * |
| 14 | * * |
| 15 | * * Redistributions in binary form must reproduce the above * |
| 16 | * copyright notice, this list of conditions and the * |
| 17 | * following disclaimer in the documentation and/or other * |
| 18 | * materials provided with the distribution. * |
| 19 | * * |
| 20 | * * Neither the name of the WIDE Project or NICT nor the * |
| 21 | * names of its contributors may be used to endorse or * |
| 22 | * promote products derived from this software without * |
| 23 | * specific prior written permission of WIDE Project and * |
| 24 | * NICT. * |
| 25 | * * |
| 26 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * |
| 27 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * |
| 28 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * |
| 29 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * |
| 30 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * |
| 31 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * |
| 32 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * |
| 33 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * |
| 34 | *********************************************************************************************************/ |
| 35 | |
| 36 | /* Sample extension to test extensions mechanism in freeDiameter */ |
| 37 | #include <freeDiameter/extension.h> |
| 38 | |
| 39 | /* from sample.cpp */ |
| 40 | void mycppfunc(); |
| 41 | |
| 42 | static int sample_main(char * conffile); |
| 43 | |
| 44 | /* Define the entry point. A convenience macro is provided */ |
| 45 | EXTENSION_ENTRY("sample", sample_main); |
| 46 | |
| 47 | /* The extension-specific initialization code */ |
| 48 | static int sample_main(char * conffile) |
| 49 | { |
| 50 | /* The debug macro from main tree can be used the same way */ |
| 51 | TRACE_ENTRY("%p", conffile); |
| 52 | |
| 53 | /* This is how we access daemon's global vars */ |
| 54 | fprintf(stdout, "I am extension " __FILE__ " running on host %s.", fd_g_config->cnf_diamid); |
| 55 | |
| 56 | /* The configuration file name is received in the conffile var. It's up to extension to parse it */ |
| 57 | if (conffile) { |
| 58 | fprintf(stdout, "I should parse my configuration file there: %s\n", conffile); |
| 59 | } else { |
| 60 | fprintf(stdout, "I received no configuration file to parse\n"); |
| 61 | } |
| 62 | |
| 63 | /* Functions from the libfreediameter can also be used as demonstrated here: */ |
| 64 | TRACE_DEBUG(INFO, "Let's create that 'Example-AVP'..."); |
| 65 | { |
| 66 | struct dict_object * origin_host_avp = NULL; |
| 67 | struct dict_object * session_id_avp = NULL; |
| 68 | struct dict_object * example_avp_avp = NULL; |
| 69 | struct dict_rule_data rule_data = { NULL, RULE_REQUIRED, 0, -1, 1 }; |
| 70 | struct dict_avp_data example_avp_data = { 999999, 0, "Example-AVP", AVP_FLAG_VENDOR , 0, AVP_TYPE_GROUPED }; |
| 71 | |
| 72 | CHECK_FCT( fd_dict_search ( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Origin-Host", &origin_host_avp, ENOENT)); |
| 73 | CHECK_FCT( fd_dict_search ( fd_g_config->cnf_dict, DICT_AVP, AVP_BY_NAME, "Session-Id", &session_id_avp, ENOENT)); |
| 74 | |
| 75 | CHECK_FCT( fd_dict_new ( fd_g_config->cnf_dict, DICT_AVP, &example_avp_data , NULL, &example_avp_avp )); |
| 76 | |
| 77 | rule_data.rule_avp = origin_host_avp; |
| 78 | rule_data.rule_min = 1; |
| 79 | rule_data.rule_max = 1; |
| 80 | CHECK_FCT( fd_dict_new ( fd_g_config->cnf_dict, DICT_RULE, &rule_data, example_avp_avp, NULL )); |
| 81 | |
| 82 | rule_data.rule_avp = session_id_avp; |
| 83 | rule_data.rule_min = 1; |
| 84 | rule_data.rule_max = -1; |
| 85 | CHECK_FCT( fd_dict_new ( fd_g_config->cnf_dict, DICT_RULE, &rule_data, example_avp_avp, NULL )); |
| 86 | |
| 87 | } |
| 88 | TRACE_DEBUG(INFO, "'Example-AVP' created without error"); |
| 89 | |
| 90 | /* Call the c++ function */ |
| 91 | mycppfunc(); |
| 92 | |
| 93 | /* The initialization function returns an error code with the standard POSIX meaning (ENOMEM, and so on) */ |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | /* See file fini.c for an example of destructor */ |