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 | #include "fdproto-internal.h" |
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37 | #include "dictionary-internal.h" |
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38 | #include <inttypes.h> |
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39 | |
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40 | /* Names of the base types */ |
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41 | const char * type_base_name[] = { /* must keep in sync with dict_avp_basetype */ |
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42 | "GROUPED", /* AVP_TYPE_GROUPED */ |
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43 | "OCTETSTRING", /* AVP_TYPE_OCTETSTRING */ |
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44 | "INTEGER32", /* AVP_TYPE_INTEGER32 */ |
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45 | "INTEGER64", /* AVP_TYPE_INTEGER64 */ |
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46 | "UNSIGNED32", /* AVP_TYPE_UNSIGNED32 */ |
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47 | "UNSIGNED64", /* AVP_TYPE_UNSIGNED64 */ |
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48 | "FLOAT32", /* AVP_TYPE_FLOAT32 */ |
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49 | "FLOAT64" /* AVP_TYPE_FLOAT64 */ |
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50 | }; |
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51 | |
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52 | /* Some eye catchers definitions */ |
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53 | #define OBJECT_EYECATCHER (0x0b13c7) |
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54 | #define DICT_EYECATCHER (0x00d1c7) |
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55 | |
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56 | /* Forward declarations of dump functions */ |
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57 | static DECLARE_FD_DUMP_PROTOTYPE(dump_vendor_data, void * data ); |
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58 | static DECLARE_FD_DUMP_PROTOTYPE(dump_application_data, void * data ); |
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59 | static DECLARE_FD_DUMP_PROTOTYPE(dump_type_data, void * data ); |
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60 | /* the dump function for enum has a different prototype since it need the datatype */ |
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61 | static DECLARE_FD_DUMP_PROTOTYPE(dump_avp_data, void * data ); |
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62 | static DECLARE_FD_DUMP_PROTOTYPE(dump_command_data, void * data ); |
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63 | static DECLARE_FD_DUMP_PROTOTYPE(dump_rule_data, void * data ); |
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64 | |
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65 | /* Forward declarations of search functions */ |
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66 | static int search_vendor ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ); |
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67 | static int search_application ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ); |
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68 | static int search_type ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ); |
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69 | static int search_enumval ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ); |
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70 | static int search_avp ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ); |
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71 | static int search_cmd ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ); |
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72 | static int search_rule ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ); |
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73 | |
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74 | /* The following array contains lot of data about the different types of objects, for automated handling */ |
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75 | static struct { |
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76 | enum dict_object_type type; /* information for this type */ |
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77 | char * name; /* string describing this object, for debug */ |
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78 | size_t datasize; /* The size of the data structure */ |
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79 | int parent; /* 0: never; 1: may; 2: must */ |
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80 | enum dict_object_type parenttype; /* The type of the parent, when relevant */ |
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81 | int eyecatcher; /* A kind of signature for this object */ |
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82 | DECLARE_FD_DUMP_PROTOTYPE( (*dump_data), void * data ); /* The function to dump the data section */ |
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83 | int (*search_fct)(struct dictionary * dict, int criteria, const void * what, struct dict_object **result );; /* The function to search an object of this type */ |
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84 | int haslist[NB_LISTS_PER_OBJ]; /* Tell if this list is used */ |
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85 | } dict_obj_info[] = { { 0, "(error)", 0, 0, 0, 0, NULL, NULL, {0, 0, 0} } |
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86 | |
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87 | /* type name datasize parent parenttype |
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88 | eyecatcher dump_data search_fct, haslist[] */ |
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89 | |
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90 | ,{ DICT_VENDOR, "VENDOR", sizeof(struct dict_vendor_data), 0, 0, |
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91 | OBJECT_EYECATCHER + 1, dump_vendor_data, search_vendor, { 1, 0, 0 } } |
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92 | |
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93 | ,{ DICT_APPLICATION, "APPLICATION", sizeof(struct dict_application_data), 1, DICT_VENDOR, |
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94 | OBJECT_EYECATCHER + 2, dump_application_data, search_application, { 1, 0, 0 } } |
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95 | |
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96 | ,{ DICT_TYPE, "TYPE", sizeof(struct dict_type_data), 1, DICT_APPLICATION, |
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97 | OBJECT_EYECATCHER + 3, dump_type_data, search_type, { 1, 0, 0 } } |
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98 | |
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99 | ,{ DICT_ENUMVAL, "ENUMVAL", sizeof(struct dict_enumval_data), 2, DICT_TYPE, |
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100 | OBJECT_EYECATCHER + 4, NULL, search_enumval, { 1, 1, 0 } } |
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101 | |
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102 | ,{ DICT_AVP, "AVP", sizeof(struct dict_avp_data), 1, DICT_TYPE, |
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103 | OBJECT_EYECATCHER + 5, dump_avp_data, search_avp, { 1, 1, 0 } } |
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104 | |
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105 | ,{ DICT_COMMAND, "COMMAND", sizeof(struct dict_cmd_data), 1, DICT_APPLICATION, |
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106 | OBJECT_EYECATCHER + 6, dump_command_data, search_cmd, { 1, 1, 0 } } |
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107 | |
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108 | ,{ DICT_RULE, "RULE", sizeof(struct dict_rule_data), 2, -1 /* special case: grouped avp or command */, |
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109 | OBJECT_EYECATCHER + 7, dump_rule_data, search_rule, { 1, 0, 0 } } |
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110 | |
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111 | }; |
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112 | |
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113 | /* Macro to verify a "type" value */ |
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114 | #define CHECK_TYPE( type ) ( ((type) > 0) && ((type) <= DICT_TYPE_MAX) ) |
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115 | |
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116 | /* Cast macro */ |
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117 | #define _O( object ) ((struct dict_object *) (object)) |
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118 | |
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119 | /* Get information line for a given object */ |
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120 | #define _OBINFO(object) (dict_obj_info[CHECK_TYPE(_O(object)->type) ? _O(object)->type : 0]) |
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121 | |
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122 | |
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123 | |
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124 | |
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125 | /*******************************************************************************************************/ |
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126 | /*******************************************************************************************************/ |
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127 | /* */ |
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128 | /* Objects management */ |
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129 | /* */ |
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130 | /*******************************************************************************************************/ |
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131 | /*******************************************************************************************************/ |
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132 | |
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133 | /* Functions to manage the objects creation and destruction. */ |
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134 | |
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135 | /* Duplicate a string inplace, save its length */ |
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136 | #define DUP_string_len( str, plen ) { \ |
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137 | *(plen) = strlen((str)); \ |
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138 | str = os0dup( str, *(plen)); \ |
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139 | } |
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140 | |
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141 | /* Initialize an object */ |
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142 | static void init_object( struct dict_object * obj, enum dict_object_type type ) |
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143 | { |
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144 | int i; |
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145 | |
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146 | TRACE_ENTRY("%p %d", obj, type); |
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147 | |
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148 | /* Clean the object first */ |
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149 | memset ( obj, 0, sizeof(struct dict_object)); |
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150 | |
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151 | CHECK_PARAMS_DO( CHECK_TYPE(type), return ); |
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152 | |
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153 | obj->type = type; |
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154 | obj->objeyec = OBJECT_EYECATCHER; |
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155 | obj->typeyec = _OBINFO(obj).eyecatcher; |
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156 | |
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157 | /* We don't initialize the data nor the parent here */ |
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158 | |
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159 | /* Now init the lists */ |
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160 | for (i=0; i<NB_LISTS_PER_OBJ; i++) { |
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161 | if (_OBINFO(obj).haslist[i] != 0) |
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162 | fd_list_init(&obj->list[i], obj); |
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163 | else |
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164 | fd_list_init(&obj->list[i], NULL); |
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165 | } |
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166 | |
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167 | fd_list_init(&obj->disp_cbs, NULL); |
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168 | } |
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169 | |
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170 | /* Initialize the "data" part of an object */ |
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171 | static int init_object_data(struct dict_object * dest, void * source, enum dict_object_type type, int dupos) |
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172 | { |
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173 | TRACE_ENTRY("%p %p %d", dest, source, type); |
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174 | CHECK_PARAMS( dest && source && CHECK_TYPE(type) ); |
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175 | |
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176 | /* Generic: copy the full data structure */ |
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177 | memcpy( &dest->data, source, dict_obj_info[type].datasize ); |
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178 | |
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179 | /* Then strings must be duplicated, not copied */ |
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180 | /* This function might be simplified by always defining the "name" field as the first field of the structures, but... it's error-prone */ |
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181 | switch (type) { |
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182 | case DICT_VENDOR: |
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183 | DUP_string_len( dest->data.vendor.vendor_name, &dest->datastr_len ); |
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184 | break; |
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185 | |
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186 | case DICT_APPLICATION: |
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187 | DUP_string_len( dest->data.application.application_name, &dest->datastr_len ); |
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188 | break; |
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189 | |
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190 | case DICT_TYPE: |
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191 | DUP_string_len( dest->data.type.type_name, &dest->datastr_len ); |
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192 | break; |
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193 | |
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194 | case DICT_ENUMVAL: |
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195 | DUP_string_len( dest->data.enumval.enum_name, &dest->datastr_len ); |
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196 | if (dupos) { |
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197 | // we also need to duplicate the octetstring constant value since it is a pointer. |
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198 | dest->data.enumval.enum_value.os.data = os0dup( |
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199 | ((struct dict_enumval_data *)source)->enum_value.os.data, |
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200 | ((struct dict_enumval_data *)source)->enum_value.os.len |
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201 | ); |
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202 | } |
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203 | break; |
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204 | |
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205 | case DICT_AVP: |
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206 | DUP_string_len( dest->data.avp.avp_name, &dest->datastr_len ); |
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207 | break; |
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208 | |
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209 | case DICT_COMMAND: |
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210 | DUP_string_len( dest->data.cmd.cmd_name, &dest->datastr_len ); |
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211 | break; |
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212 | |
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213 | default: |
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214 | /* Nothing to do for RULES */ |
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215 | ; |
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216 | } |
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217 | |
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218 | return 0; |
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219 | } |
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220 | |
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221 | /* Check that an object is valid (1: OK, 0: error) */ |
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222 | static int verify_object( struct dict_object * obj ) |
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223 | { |
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224 | TRACE_ENTRY("%p", obj); |
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225 | |
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226 | CHECK_PARAMS_DO( obj |
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227 | && (obj->objeyec == OBJECT_EYECATCHER) |
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228 | && CHECK_TYPE(obj->type) |
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229 | && (obj->typeyec == dict_obj_info[obj->type].eyecatcher), |
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230 | { |
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231 | if (obj) { |
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232 | TRACE_DEBUG(FULL, "Invalid object: %p, obj->objeyec: %x/%x, obj->type: %d, obj->objeyec: %x/%x, obj->typeyec: %x/%x", |
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233 | obj, |
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234 | obj->objeyec, OBJECT_EYECATCHER, |
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235 | obj->type, |
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236 | obj->objeyec, OBJECT_EYECATCHER, |
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237 | obj->typeyec, _OBINFO(obj).eyecatcher); |
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238 | } else { |
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239 | TRACE_DEBUG(FULL, "Invalid object : NULL pointer"); |
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240 | } |
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241 | return 0; |
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242 | } ); |
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243 | |
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244 | /* The object is probably valid. */ |
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245 | return 1; |
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246 | } |
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247 | |
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248 | /* Free the data associated to an object */ |
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249 | static void destroy_object_data(struct dict_object * obj) |
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250 | { |
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251 | /* TRACE_ENTRY("%p", obj); */ |
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252 | |
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253 | switch (obj->type) { |
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254 | case DICT_VENDOR: |
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255 | free( obj->data.vendor.vendor_name ); |
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256 | break; |
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257 | |
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258 | case DICT_APPLICATION: |
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259 | free( obj->data.application.application_name ); |
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260 | break; |
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261 | |
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262 | case DICT_TYPE: |
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263 | free( obj->data.type.type_name ); |
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264 | break; |
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265 | |
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266 | case DICT_ENUMVAL: |
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267 | free( obj->data.enumval.enum_name ); |
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268 | break; |
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269 | |
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270 | case DICT_AVP: |
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271 | free( obj->data.avp.avp_name ); |
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272 | break; |
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273 | |
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274 | case DICT_COMMAND: |
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275 | free( obj->data.cmd.cmd_name ); |
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276 | break; |
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277 | |
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278 | default: |
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279 | /* nothing to do */ |
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280 | ; |
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281 | } |
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282 | } |
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283 | |
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284 | /* Forward declaration */ |
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285 | static void destroy_object(struct dict_object * obj); |
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286 | |
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287 | /* Destroy all objects in a list - the lock must be held */ |
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288 | static void destroy_list(struct fd_list * head) |
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289 | { |
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290 | /* TRACE_ENTRY("%p", head); */ |
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291 | |
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292 | /* loop in the list */ |
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293 | while (!FD_IS_LIST_EMPTY(head)) |
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294 | { |
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295 | /* When destroying the object, it is unlinked from the list */ |
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296 | destroy_object(_O(head->next->o)); |
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297 | } |
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298 | } |
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299 | |
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300 | /* Free an object and its sublists */ |
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301 | static void destroy_object(struct dict_object * obj) |
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302 | { |
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303 | int i; |
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304 | |
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305 | /* TRACE_ENTRY("%p", obj); */ |
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306 | |
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307 | /* Update global count */ |
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308 | if (obj->dico) |
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309 | obj->dico->dict_count[obj->type]--; |
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310 | |
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311 | /* Mark the object as invalid */ |
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312 | obj->objeyec = 0xdead; |
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313 | |
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314 | /* First, destroy the data associated to the object */ |
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315 | destroy_object_data(obj); |
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316 | |
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317 | for (i=0; i<NB_LISTS_PER_OBJ; i++) { |
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318 | if (_OBINFO(obj).haslist[i]) |
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319 | /* unlink the element from the list */ |
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320 | fd_list_unlink( &obj->list[i] ); |
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321 | else |
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322 | /* This is either a sentinel or unused (=emtpy) list, let's destroy it */ |
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323 | destroy_list( &obj->list[i] ); |
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324 | } |
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325 | |
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326 | /* Unlink all elements from the dispatch list; they will be freed when callback is unregistered */ |
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327 | CHECK_POSIX_DO( pthread_rwlock_wrlock(&fd_disp_lock), /* continue */ ); |
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328 | while (!FD_IS_LIST_EMPTY(&obj->disp_cbs)) { |
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329 | fd_list_unlink( obj->disp_cbs.next ); |
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330 | } |
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331 | CHECK_POSIX_DO( pthread_rwlock_unlock(&fd_disp_lock), /* continue */ ); |
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332 | |
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333 | /* Last, destroy the object */ |
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334 | free(obj); |
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335 | } |
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336 | |
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337 | /*******************************************************************************************************/ |
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338 | /*******************************************************************************************************/ |
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339 | /* */ |
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340 | /* Compare functions */ |
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341 | /* */ |
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342 | /*******************************************************************************************************/ |
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343 | /*******************************************************************************************************/ |
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344 | |
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345 | /* Compare two values */ |
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346 | #define ORDER_scalar( i1, i2 ) \ |
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347 | ((i1 < i2 ) ? -1 : ( i1 > i2 ? 1 : 0 )) |
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348 | |
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349 | |
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350 | /* Compare two vendor objects by their id (checks already performed) */ |
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351 | static int order_vendor_by_id ( struct dict_object *o1, struct dict_object *o2 ) |
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352 | { |
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353 | TRACE_ENTRY("%p %p", o1, o2); |
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354 | |
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355 | return ORDER_scalar( o1->data.vendor.vendor_id, o2->data.vendor.vendor_id ); |
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356 | } |
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357 | |
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358 | /* Compare two application objects by their id (checks already performed) */ |
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359 | static int order_appli_by_id ( struct dict_object *o1, struct dict_object *o2 ) |
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360 | { |
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361 | TRACE_ENTRY("%p %p", o1, o2); |
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362 | |
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363 | return ORDER_scalar( o1->data.application.application_id, o2->data.application.application_id ); |
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364 | } |
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365 | |
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366 | /* Compare two type objects by their name (checks already performed) */ |
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367 | static int order_type_by_name ( struct dict_object *o1, struct dict_object *o2 ) |
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368 | { |
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369 | TRACE_ENTRY("%p %p", o1, o2); |
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370 | |
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371 | return fd_os_cmp( o1->data.type.type_name, o1->datastr_len, o2->data.type.type_name, o2->datastr_len ); |
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372 | } |
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373 | |
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374 | /* Compare two type_enum objects by their names (checks already performed) */ |
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375 | static int order_enum_by_name ( struct dict_object *o1, struct dict_object *o2 ) |
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376 | { |
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377 | TRACE_ENTRY("%p %p", o1, o2); |
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378 | |
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379 | return fd_os_cmp( o1->data.enumval.enum_name, o1->datastr_len, o2->data.enumval.enum_name, o2->datastr_len ); |
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380 | } |
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381 | |
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382 | /* Compare two type_enum objects by their values (checks already performed) */ |
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383 | static int order_enum_by_val ( struct dict_object *o1, struct dict_object *o2 ) |
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384 | { |
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385 | TRACE_ENTRY("%p %p", o1, o2); |
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386 | |
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387 | /* The comparison function depends on the type of data */ |
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388 | switch ( o1->parent->data.type.type_base ) { |
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389 | case AVP_TYPE_OCTETSTRING: |
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390 | return fd_os_cmp( o1->data.enumval.enum_value.os.data, o1->data.enumval.enum_value.os.len, |
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391 | o2->data.enumval.enum_value.os.data, o2->data.enumval.enum_value.os.len); |
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392 | |
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393 | case AVP_TYPE_INTEGER32: |
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394 | return ORDER_scalar( o1->data.enumval.enum_value.i32, o2->data.enumval.enum_value.i32 ); |
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395 | |
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396 | case AVP_TYPE_INTEGER64: |
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397 | return ORDER_scalar( o1->data.enumval.enum_value.i64, o2->data.enumval.enum_value.i64 ); |
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398 | |
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399 | case AVP_TYPE_UNSIGNED32: |
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400 | return ORDER_scalar( o1->data.enumval.enum_value.u32, o2->data.enumval.enum_value.u32 ); |
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401 | |
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402 | case AVP_TYPE_UNSIGNED64: |
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403 | return ORDER_scalar( o1->data.enumval.enum_value.u64, o2->data.enumval.enum_value.u64 ); |
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404 | |
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405 | case AVP_TYPE_FLOAT32: |
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406 | return ORDER_scalar( o1->data.enumval.enum_value.f32, o2->data.enumval.enum_value.f32 ); |
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407 | |
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408 | case AVP_TYPE_FLOAT64: |
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409 | return ORDER_scalar( o1->data.enumval.enum_value.f64, o2->data.enumval.enum_value.f64 ); |
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410 | |
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411 | case AVP_TYPE_GROUPED: |
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412 | default: |
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413 | ASSERT(0); |
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414 | } |
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415 | return 0; |
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416 | } |
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417 | |
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418 | /* Compare two avp objects by their codes (checks already performed) */ |
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419 | static int order_avp_by_code ( struct dict_object *o1, struct dict_object *o2 ) |
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420 | { |
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421 | TRACE_ENTRY("%p %p", o1, o2); |
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422 | |
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423 | return ORDER_scalar( o1->data.avp.avp_code, o2->data.avp.avp_code ); |
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424 | } |
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425 | |
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426 | /* Compare two avp objects by their names (checks already performed) */ |
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427 | static int order_avp_by_name ( struct dict_object *o1, struct dict_object *o2 ) |
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428 | { |
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429 | TRACE_ENTRY("%p %p", o1, o2); |
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430 | |
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431 | return fd_os_cmp( o1->data.avp.avp_name, o1->datastr_len, o2->data.avp.avp_name, o2->datastr_len ); |
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432 | } |
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433 | |
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434 | /* Compare two command objects by their names (checks already performed) */ |
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435 | static int order_cmd_by_name ( struct dict_object *o1, struct dict_object *o2 ) |
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436 | { |
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437 | TRACE_ENTRY("%p %p", o1, o2); |
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438 | |
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439 | return fd_os_cmp( o1->data.cmd.cmd_name, o1->datastr_len, o2->data.cmd.cmd_name, o2->datastr_len ); |
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440 | } |
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441 | |
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442 | /* Compare two command objects by their codes and flags (request or answer) (checks already performed) */ |
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443 | static int order_cmd_by_codefl( struct dict_object *o1, struct dict_object *o2 ) |
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444 | { |
---|
445 | uint8_t fl1, fl2; |
---|
446 | int cmp = 0; |
---|
447 | |
---|
448 | TRACE_ENTRY("%p %p", o1, o2); |
---|
449 | |
---|
450 | cmp = ORDER_scalar( o1->data.cmd.cmd_code, o2->data.cmd.cmd_code ); |
---|
451 | if (cmp) |
---|
452 | return cmp; |
---|
453 | |
---|
454 | /* Same command code, we must compare the value of the 'R' flag */ |
---|
455 | fl1 = o1->data.cmd.cmd_flag_val & CMD_FLAG_REQUEST; |
---|
456 | fl2 = o2->data.cmd.cmd_flag_val & CMD_FLAG_REQUEST; |
---|
457 | |
---|
458 | /* We want requests first, so we reverse the operators here */ |
---|
459 | return ORDER_scalar(fl2, fl1); |
---|
460 | |
---|
461 | } |
---|
462 | |
---|
463 | /* Compare two rule object by the AVP vendor & code that they refer (checks already performed) */ |
---|
464 | static int order_rule_by_avpvc ( struct dict_object *o1, struct dict_object *o2 ) |
---|
465 | { |
---|
466 | TRACE_ENTRY("%p %p", o1, o2); |
---|
467 | |
---|
468 | return ORDER_scalar(o1->data.rule.rule_avp->data.avp.avp_vendor, o2->data.rule.rule_avp->data.avp.avp_vendor) |
---|
469 | ?: ORDER_scalar(o1->data.rule.rule_avp->data.avp.avp_code, o2->data.rule.rule_avp->data.avp.avp_code) ; |
---|
470 | } |
---|
471 | |
---|
472 | /*******************************************************************************************************/ |
---|
473 | /*******************************************************************************************************/ |
---|
474 | /* */ |
---|
475 | /* Search functions */ |
---|
476 | /* */ |
---|
477 | /*******************************************************************************************************/ |
---|
478 | /*******************************************************************************************************/ |
---|
479 | |
---|
480 | /* Functions used to search for objects in the lists, according to some criteria */ |
---|
481 | |
---|
482 | /* On a general note, if result is not NULL, ENOENT is not returned but *result is NULL. */ |
---|
483 | |
---|
484 | /* The following macros assume that "what", "ret", "result" (variables), and "end" (label) exist |
---|
485 | in the local context where they are called. They are meant to be called only from the functions that follow. */ |
---|
486 | |
---|
487 | /* For searchs of type "xxx_OF_xxx": children's parent or default parent */ |
---|
488 | #define SEARCH_childs_parent( type_of_child, default_parent ) { \ |
---|
489 | struct dict_object *__child = (struct dict_object *) what; \ |
---|
490 | CHECK_PARAMS_DO( verify_object(__child) && \ |
---|
491 | (__child->type == (type_of_child)), \ |
---|
492 | { ret = EINVAL; goto end; } ); \ |
---|
493 | ret = 0; \ |
---|
494 | if (result) \ |
---|
495 | *result = (__child->parent ? __child->parent :(default_parent));\ |
---|
496 | } |
---|
497 | |
---|
498 | /* For search of strings in lists. isindex= 1 if the string is the ordering key of the list */ |
---|
499 | /* it is expected that object->datastr_len is the length of the datafield parameter */ |
---|
500 | #define SEARCH_os0_l( str, len, sentinel, datafield, isindex ) { \ |
---|
501 | char * __str = (char *) (str); \ |
---|
502 | size_t __strlen = (size_t)(len); \ |
---|
503 | int __cmp; \ |
---|
504 | struct fd_list * __li; \ |
---|
505 | ret = 0; \ |
---|
506 | for (__li = (sentinel)->next; __li != (sentinel); __li = __li->next) { \ |
---|
507 | __cmp = fd_os_cmp(__str, __strlen, \ |
---|
508 | _O(__li->o)->data. datafield, _O(__li->o)->datastr_len);\ |
---|
509 | if (__cmp == 0) { \ |
---|
510 | if (result) \ |
---|
511 | *result = _O(__li->o); \ |
---|
512 | goto end; \ |
---|
513 | } \ |
---|
514 | if ((isindex) && (__cmp < 0)) \ |
---|
515 | break; \ |
---|
516 | } \ |
---|
517 | if (result) \ |
---|
518 | *result = NULL; \ |
---|
519 | else \ |
---|
520 | ret = ENOENT; \ |
---|
521 | } |
---|
522 | |
---|
523 | /* When len is not provided */ |
---|
524 | #define SEARCH_os0( str, sentinel, datafield, isindex ) { \ |
---|
525 | char * _str = (char *) (str); \ |
---|
526 | size_t _strlen = strlen(_str); \ |
---|
527 | SEARCH_os0_l( _str, _strlen, sentinel, datafield, isindex ); \ |
---|
528 | } |
---|
529 | |
---|
530 | |
---|
531 | /* For search of octetstrings in lists. */ |
---|
532 | #define SEARCH_os( str, strlen, sentinel, osdatafield, isindex ) { \ |
---|
533 | uint8_t * __str = (uint8_t *) (str); \ |
---|
534 | size_t __strlen = (size_t)(strlen); \ |
---|
535 | int __cmp; \ |
---|
536 | struct fd_list * __li; \ |
---|
537 | ret = 0; \ |
---|
538 | for (__li = (sentinel)->next; __li != (sentinel); __li = __li->next) { \ |
---|
539 | __cmp = fd_os_cmp(__str, __strlen, \ |
---|
540 | _O(__li->o)->data. osdatafield .data, \ |
---|
541 | _O(__li->o)->data. osdatafield .len); \ |
---|
542 | if (__cmp == 0) { \ |
---|
543 | if (result) \ |
---|
544 | *result = _O(__li->o); \ |
---|
545 | goto end; \ |
---|
546 | } \ |
---|
547 | if ((isindex) && (__cmp < 0)) \ |
---|
548 | break; \ |
---|
549 | } \ |
---|
550 | if (result) \ |
---|
551 | *result = NULL; \ |
---|
552 | else \ |
---|
553 | ret = ENOENT; \ |
---|
554 | } |
---|
555 | |
---|
556 | /* For search of AVP name in rule lists -- the list is not ordered by AVP names! */ |
---|
557 | #define SEARCH_ruleavpname( str, strlen, sentinel ) { \ |
---|
558 | char * __str = (char *) (str); \ |
---|
559 | size_t __strlen = (size_t) (strlen); \ |
---|
560 | int __cmp; \ |
---|
561 | struct fd_list * __li; \ |
---|
562 | ret = 0; \ |
---|
563 | for (__li = (sentinel)->next; __li != (sentinel); __li = __li->next) { \ |
---|
564 | __cmp = fd_os_cmp(__str, __strlen, \ |
---|
565 | _O(__li->o)->data.rule.rule_avp->data.avp.avp_name, \ |
---|
566 | _O(__li->o)->data.rule.rule_avp->datastr_len); \ |
---|
567 | if (__cmp == 0) { \ |
---|
568 | if (result) \ |
---|
569 | *result = _O(__li->o); \ |
---|
570 | goto end; \ |
---|
571 | } \ |
---|
572 | } \ |
---|
573 | if (result) \ |
---|
574 | *result = NULL; \ |
---|
575 | else \ |
---|
576 | ret = ENOENT; \ |
---|
577 | } |
---|
578 | |
---|
579 | /* For search of scalars in lists. isindex= 1 if the value is the ordering key of the list */ |
---|
580 | #define SEARCH_scalar( value, sentinel, datafield, isindex, defaultobj ) { \ |
---|
581 | int __cmp; \ |
---|
582 | struct fd_list * __li; \ |
---|
583 | ret = 0; \ |
---|
584 | if ( ((defaultobj) != NULL) \ |
---|
585 | && (_O(defaultobj)->data. datafield == value)) { \ |
---|
586 | if (result) \ |
---|
587 | *result = _O(defaultobj); \ |
---|
588 | goto end; \ |
---|
589 | } \ |
---|
590 | for (__li = (sentinel)->next; __li != (sentinel); __li = __li->next) { \ |
---|
591 | __cmp= ORDER_scalar(value, _O(__li->o)->data. datafield ); \ |
---|
592 | if (__cmp == 0) { \ |
---|
593 | if (result) \ |
---|
594 | *result = _O(__li->o); \ |
---|
595 | goto end; \ |
---|
596 | } \ |
---|
597 | if ((isindex) && (__cmp < 0)) \ |
---|
598 | break; \ |
---|
599 | } \ |
---|
600 | if (result) \ |
---|
601 | *result = NULL; \ |
---|
602 | else \ |
---|
603 | ret = ENOENT; \ |
---|
604 | } |
---|
605 | |
---|
606 | /* For search of commands in lists by code and flag. R_flag_val = 0 or CMD_FLAG_REQUEST */ |
---|
607 | #define SEARCH_codefl( value, R_flag_val, sentinel) { \ |
---|
608 | int __cmp; \ |
---|
609 | struct fd_list * __li; \ |
---|
610 | ret = 0; \ |
---|
611 | for (__li = (sentinel)->next; __li != (sentinel); __li = __li->next) { \ |
---|
612 | __cmp = ORDER_scalar(value, \ |
---|
613 | _O(__li->o)->data.cmd.cmd_code ); \ |
---|
614 | if (__cmp == 0) { \ |
---|
615 | uint8_t __mask, __val; \ |
---|
616 | __mask = _O(__li->o)->data.cmd.cmd_flag_mask; \ |
---|
617 | __val = _O(__li->o)->data.cmd.cmd_flag_val; \ |
---|
618 | if ( ! (__mask & CMD_FLAG_REQUEST) ) \ |
---|
619 | continue; \ |
---|
620 | if ( ( __val & CMD_FLAG_REQUEST ) != R_flag_val ) \ |
---|
621 | continue; \ |
---|
622 | if (result) \ |
---|
623 | *result = _O(__li->o); \ |
---|
624 | goto end; \ |
---|
625 | } \ |
---|
626 | if (__cmp < 0) \ |
---|
627 | break; \ |
---|
628 | } \ |
---|
629 | if (result) \ |
---|
630 | *result = NULL; \ |
---|
631 | else \ |
---|
632 | ret = ENOENT; \ |
---|
633 | } |
---|
634 | |
---|
635 | /* For searchs of type "xxx_OF_xxx": if the search object is sentinel list for the "what" object */ |
---|
636 | #define SEARCH_sentinel( type_of_what, what_list_nr, sentinel_list_nr ) { \ |
---|
637 | struct dict_object *__what = (struct dict_object *) what; \ |
---|
638 | CHECK_PARAMS_DO( verify_object(__what) && \ |
---|
639 | (__what->type == (type_of_what)), \ |
---|
640 | { ret = EINVAL; goto end; } ); \ |
---|
641 | ret = 0; \ |
---|
642 | if (result) { \ |
---|
643 | /* this is similar to the "container_of" */ \ |
---|
644 | *result = (struct dict_object *)((char *)(__what->list[what_list_nr].head) - \ |
---|
645 | (size_t)&(((struct dict_object *)0)->list[sentinel_list_nr])); \ |
---|
646 | } \ |
---|
647 | } |
---|
648 | |
---|
649 | |
---|
650 | static int search_vendor ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ) |
---|
651 | { |
---|
652 | int ret = 0; |
---|
653 | vendor_id_t id; |
---|
654 | |
---|
655 | TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); |
---|
656 | |
---|
657 | switch (criteria) { |
---|
658 | case VENDOR_BY_ID: |
---|
659 | id = *(vendor_id_t *) what; |
---|
660 | SEARCH_scalar( id, &dict->dict_vendors.list[0], vendor.vendor_id, 1, &dict->dict_vendors ); |
---|
661 | break; |
---|
662 | |
---|
663 | case VENDOR_BY_NAME: |
---|
664 | /* "what" is a vendor name */ |
---|
665 | SEARCH_os0( what, &dict->dict_vendors.list[0], vendor.vendor_name, 0); |
---|
666 | break; |
---|
667 | |
---|
668 | case VENDOR_OF_APPLICATION: |
---|
669 | /* "what" should be an application object */ |
---|
670 | SEARCH_childs_parent( DICT_APPLICATION, &dict->dict_vendors ); |
---|
671 | break; |
---|
672 | |
---|
673 | case VENDOR_OF_AVP: |
---|
674 | /* "what" should be an avp object */ |
---|
675 | SEARCH_sentinel( DICT_AVP, 0, 1 ); |
---|
676 | break; |
---|
677 | |
---|
678 | default: |
---|
679 | /* Invalid criteria */ |
---|
680 | CHECK_PARAMS( criteria = 0 ); |
---|
681 | } |
---|
682 | end: |
---|
683 | return ret; |
---|
684 | } |
---|
685 | |
---|
686 | static int search_application ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ) |
---|
687 | { |
---|
688 | int ret = 0; |
---|
689 | application_id_t id; |
---|
690 | |
---|
691 | TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); |
---|
692 | |
---|
693 | switch (criteria) { |
---|
694 | case APPLICATION_BY_ID: |
---|
695 | id = *(application_id_t *) what; |
---|
696 | |
---|
697 | SEARCH_scalar( id, &dict->dict_applications.list[0], application.application_id, 1, &dict->dict_applications ); |
---|
698 | break; |
---|
699 | |
---|
700 | case APPLICATION_BY_NAME: |
---|
701 | /* "what" is an application name */ |
---|
702 | SEARCH_os0( what, &dict->dict_applications.list[0], application.application_name, 0); |
---|
703 | break; |
---|
704 | |
---|
705 | case APPLICATION_OF_TYPE: |
---|
706 | /* "what" should be a type object */ |
---|
707 | SEARCH_childs_parent( DICT_TYPE, &dict->dict_applications ); |
---|
708 | break; |
---|
709 | |
---|
710 | case APPLICATION_OF_COMMAND: |
---|
711 | /* "what" should be a command object */ |
---|
712 | SEARCH_childs_parent( DICT_COMMAND, &dict->dict_applications ); |
---|
713 | break; |
---|
714 | |
---|
715 | default: |
---|
716 | /* Invalid criteria */ |
---|
717 | CHECK_PARAMS( criteria = 0 ); |
---|
718 | } |
---|
719 | end: |
---|
720 | return ret; |
---|
721 | } |
---|
722 | |
---|
723 | static int search_type ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ) |
---|
724 | { |
---|
725 | int ret = 0; |
---|
726 | |
---|
727 | TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); |
---|
728 | |
---|
729 | switch (criteria) { |
---|
730 | case TYPE_BY_NAME: |
---|
731 | /* "what" is a type name */ |
---|
732 | SEARCH_os0( what, &dict->dict_types, type.type_name, 1); |
---|
733 | break; |
---|
734 | |
---|
735 | case TYPE_OF_ENUMVAL: |
---|
736 | /* "what" should be a type_enum object */ |
---|
737 | SEARCH_childs_parent( DICT_ENUMVAL, NULL ); |
---|
738 | break; |
---|
739 | |
---|
740 | case TYPE_OF_AVP: |
---|
741 | /* "what" should be an avp object */ |
---|
742 | SEARCH_childs_parent( DICT_AVP, NULL ); |
---|
743 | break; |
---|
744 | |
---|
745 | |
---|
746 | default: |
---|
747 | /* Invalid criteria */ |
---|
748 | CHECK_PARAMS( criteria = 0 ); |
---|
749 | } |
---|
750 | end: |
---|
751 | return ret; |
---|
752 | } |
---|
753 | |
---|
754 | static int search_enumval ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ) |
---|
755 | { |
---|
756 | int ret = 0; |
---|
757 | |
---|
758 | TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); |
---|
759 | |
---|
760 | switch (criteria) { |
---|
761 | case ENUMVAL_BY_STRUCT: |
---|
762 | { |
---|
763 | struct dict_object * parent = NULL; |
---|
764 | struct dict_enumval_request * _what = (struct dict_enumval_request *) what; |
---|
765 | |
---|
766 | CHECK_PARAMS( _what && ( _what->type_obj || _what->type_name ) ); |
---|
767 | |
---|
768 | if (_what->type_obj != NULL) { |
---|
769 | parent = _what->type_obj; |
---|
770 | CHECK_PARAMS( verify_object(parent) && (parent->type == DICT_TYPE) ); |
---|
771 | } else { |
---|
772 | /* We received only the type name, we must find it first */ |
---|
773 | CHECK_FCT_DO( search_type( dict, TYPE_BY_NAME, _what->type_name, &parent ), |
---|
774 | CHECK_PARAMS( 0 ) ); |
---|
775 | } |
---|
776 | |
---|
777 | /* From here the "parent" object is valid */ |
---|
778 | |
---|
779 | if ( _what->search.enum_name != NULL ) { |
---|
780 | /* We are looking for this string */ |
---|
781 | SEARCH_os0( _what->search.enum_name, &parent->list[1], enumval.enum_name, 1 ); |
---|
782 | } else { |
---|
783 | /* We are looking for the value in enum_value */ |
---|
784 | switch (parent->data.type.type_base) { |
---|
785 | case AVP_TYPE_OCTETSTRING: |
---|
786 | SEARCH_os( _what->search.enum_value.os.data, |
---|
787 | _what->search.enum_value.os.len, |
---|
788 | &parent->list[2], |
---|
789 | enumval.enum_value.os , |
---|
790 | 1 ); |
---|
791 | break; |
---|
792 | |
---|
793 | case AVP_TYPE_INTEGER32: |
---|
794 | SEARCH_scalar( _what->search.enum_value.i32, |
---|
795 | &parent->list[2], |
---|
796 | enumval.enum_value.i32, |
---|
797 | 1, |
---|
798 | (struct dict_object *)NULL); |
---|
799 | break; |
---|
800 | |
---|
801 | case AVP_TYPE_INTEGER64: |
---|
802 | SEARCH_scalar( _what->search.enum_value.i64, |
---|
803 | &parent->list[2], |
---|
804 | enumval.enum_value.i64, |
---|
805 | 1, |
---|
806 | (struct dict_object *)NULL); |
---|
807 | break; |
---|
808 | |
---|
809 | case AVP_TYPE_UNSIGNED32: |
---|
810 | SEARCH_scalar( _what->search.enum_value.u32, |
---|
811 | &parent->list[2], |
---|
812 | enumval.enum_value.u32, |
---|
813 | 1, |
---|
814 | (struct dict_object *)NULL); |
---|
815 | break; |
---|
816 | |
---|
817 | case AVP_TYPE_UNSIGNED64: |
---|
818 | SEARCH_scalar( _what->search.enum_value.u64, |
---|
819 | &parent->list[2], |
---|
820 | enumval.enum_value.u64, |
---|
821 | 1, |
---|
822 | (struct dict_object *)NULL); |
---|
823 | break; |
---|
824 | |
---|
825 | case AVP_TYPE_FLOAT32: |
---|
826 | SEARCH_scalar( _what->search.enum_value.f32, |
---|
827 | &parent->list[2], |
---|
828 | enumval.enum_value.f32, |
---|
829 | 1, |
---|
830 | (struct dict_object *)NULL); |
---|
831 | break; |
---|
832 | |
---|
833 | case AVP_TYPE_FLOAT64: |
---|
834 | SEARCH_scalar( _what->search.enum_value.f64, |
---|
835 | &parent->list[2], |
---|
836 | enumval.enum_value.f64, |
---|
837 | 1, |
---|
838 | (struct dict_object *)NULL); |
---|
839 | break; |
---|
840 | |
---|
841 | default: |
---|
842 | /* Invalid parent type basetype */ |
---|
843 | CHECK_PARAMS( parent = NULL ); |
---|
844 | } |
---|
845 | } |
---|
846 | |
---|
847 | } |
---|
848 | break; |
---|
849 | |
---|
850 | |
---|
851 | default: |
---|
852 | /* Invalid criteria */ |
---|
853 | CHECK_PARAMS( criteria = 0 ); |
---|
854 | } |
---|
855 | end: |
---|
856 | return ret; |
---|
857 | } |
---|
858 | |
---|
859 | static int search_avp ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ) |
---|
860 | { |
---|
861 | int ret = 0; |
---|
862 | |
---|
863 | TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); |
---|
864 | |
---|
865 | switch (criteria) { |
---|
866 | case AVP_BY_CODE: |
---|
867 | { |
---|
868 | avp_code_t code; |
---|
869 | code = *(avp_code_t *) what; |
---|
870 | |
---|
871 | SEARCH_scalar( code, &dict->dict_vendors.list[1], avp.avp_code, 1, (struct dict_object *)NULL ); |
---|
872 | } |
---|
873 | break; |
---|
874 | |
---|
875 | case AVP_BY_NAME: |
---|
876 | /* "what" is the AVP name, vendor 0 */ |
---|
877 | SEARCH_os0( what, &dict->dict_vendors.list[2], avp.avp_name, 1); |
---|
878 | break; |
---|
879 | |
---|
880 | case AVP_BY_CODE_AND_VENDOR: |
---|
881 | case AVP_BY_NAME_AND_VENDOR: |
---|
882 | { |
---|
883 | struct dict_avp_request * _what = (struct dict_avp_request *) what; |
---|
884 | struct dict_object * vendor = NULL; |
---|
885 | |
---|
886 | CHECK_PARAMS( (criteria != AVP_BY_NAME_AND_VENDOR) || _what->avp_name ); |
---|
887 | |
---|
888 | /* Now look for the vendor first */ |
---|
889 | CHECK_FCT( search_vendor( dict, VENDOR_BY_ID, &_what->avp_vendor, &vendor ) ); |
---|
890 | if (vendor == NULL) { |
---|
891 | if (result) |
---|
892 | *result = NULL; |
---|
893 | else |
---|
894 | ret = ENOENT; |
---|
895 | goto end; |
---|
896 | } |
---|
897 | |
---|
898 | /* We now have our vendor = head of the appropriate avp list */ |
---|
899 | if (criteria == AVP_BY_NAME_AND_VENDOR) { |
---|
900 | SEARCH_os0( _what->avp_name, &vendor->list[2], avp.avp_name, 1); |
---|
901 | } else { |
---|
902 | /* AVP_BY_CODE_AND_VENDOR */ |
---|
903 | SEARCH_scalar( _what->avp_code, &vendor->list[1], avp.avp_code, 1, (struct dict_object *)NULL ); |
---|
904 | } |
---|
905 | } |
---|
906 | break; |
---|
907 | |
---|
908 | case AVP_BY_STRUCT: |
---|
909 | { |
---|
910 | struct dict_avp_request_ex * _what = (struct dict_avp_request_ex *) what; |
---|
911 | struct dict_object * vendor = NULL; |
---|
912 | |
---|
913 | CHECK_PARAMS( _what->avp_vendor.vendor || _what->avp_vendor.vendor_id || _what->avp_vendor.vendor_name ); |
---|
914 | CHECK_PARAMS( _what->avp_data.avp_code || _what->avp_data.avp_name ); |
---|
915 | |
---|
916 | /* Now look for the vendor first */ |
---|
917 | if (_what->avp_vendor.vendor) { |
---|
918 | CHECK_PARAMS( ! _what->avp_vendor.vendor_id && ! _what->avp_vendor.vendor_name ); |
---|
919 | vendor = _what->avp_vendor.vendor; |
---|
920 | } else if (_what->avp_vendor.vendor_id) { |
---|
921 | CHECK_PARAMS( ! _what->avp_vendor.vendor_name ); |
---|
922 | CHECK_FCT( search_vendor( dict, VENDOR_BY_ID, &_what->avp_vendor.vendor_id, &vendor ) ); |
---|
923 | } else { |
---|
924 | CHECK_FCT( search_vendor( dict, VENDOR_BY_NAME, _what->avp_vendor.vendor_name, &vendor ) ); |
---|
925 | } |
---|
926 | |
---|
927 | if (vendor == NULL) { |
---|
928 | if (result) |
---|
929 | *result = NULL; |
---|
930 | else |
---|
931 | ret = ENOENT; |
---|
932 | goto end; |
---|
933 | } |
---|
934 | |
---|
935 | /* We now have our vendor = head of the appropriate avp list */ |
---|
936 | if (_what->avp_data.avp_code) { |
---|
937 | CHECK_PARAMS( ! _what->avp_data.avp_name ); |
---|
938 | SEARCH_scalar( _what->avp_data.avp_code, &vendor->list[1], avp.avp_code, 1, (struct dict_object *)NULL ); |
---|
939 | } else { |
---|
940 | SEARCH_os0( _what->avp_data.avp_name, &vendor->list[2], avp.avp_name, 1); |
---|
941 | } |
---|
942 | } |
---|
943 | break; |
---|
944 | |
---|
945 | case AVP_BY_NAME_ALL_VENDORS: |
---|
946 | { |
---|
947 | struct fd_list * li; |
---|
948 | size_t wl = strlen((char *)what); |
---|
949 | |
---|
950 | /* First, search for vendor 0 */ |
---|
951 | SEARCH_os0_l( what, wl, &dict->dict_vendors.list[2], avp.avp_name, 1); |
---|
952 | |
---|
953 | /* If not found, loop for all vendors, until found */ |
---|
954 | for (li = dict->dict_vendors.list[0].next; li != &dict->dict_vendors.list[0]; li = li->next) { |
---|
955 | SEARCH_os0_l( what, wl, &_O(li->o)->list[2], avp.avp_name, 1); |
---|
956 | } |
---|
957 | } |
---|
958 | break; |
---|
959 | |
---|
960 | default: |
---|
961 | /* Invalid criteria */ |
---|
962 | CHECK_PARAMS( criteria = 0 ); |
---|
963 | } |
---|
964 | end: |
---|
965 | return ret; |
---|
966 | } |
---|
967 | |
---|
968 | static int search_cmd ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ) |
---|
969 | { |
---|
970 | int ret = 0; |
---|
971 | |
---|
972 | TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); |
---|
973 | |
---|
974 | switch (criteria) { |
---|
975 | case CMD_BY_NAME: |
---|
976 | /* "what" is a command name */ |
---|
977 | SEARCH_os0( what, &dict->dict_cmd_name, cmd.cmd_name, 1); |
---|
978 | break; |
---|
979 | |
---|
980 | case CMD_BY_CODE_R: |
---|
981 | case CMD_BY_CODE_A: |
---|
982 | { |
---|
983 | command_code_t code; |
---|
984 | uint8_t searchfl = 0; |
---|
985 | |
---|
986 | /* The command code that we are searching */ |
---|
987 | code = *(command_code_t *) what; |
---|
988 | |
---|
989 | /* The flag (request or answer) of the command we are searching */ |
---|
990 | if (criteria == CMD_BY_CODE_R) { |
---|
991 | searchfl = CMD_FLAG_REQUEST; |
---|
992 | } |
---|
993 | |
---|
994 | /* perform the search */ |
---|
995 | SEARCH_codefl( code, searchfl, &dict->dict_cmd_code ); |
---|
996 | } |
---|
997 | break; |
---|
998 | |
---|
999 | case CMD_ANSWER: |
---|
1000 | { |
---|
1001 | /* "what" is a command object of type "request" */ |
---|
1002 | struct dict_object * req = (struct dict_object *) what; |
---|
1003 | struct dict_object * ans = NULL; |
---|
1004 | |
---|
1005 | CHECK_PARAMS( verify_object(req) |
---|
1006 | && (req->type == DICT_COMMAND) |
---|
1007 | && (req->data.cmd.cmd_flag_mask & CMD_FLAG_REQUEST) |
---|
1008 | && (req->data.cmd.cmd_flag_val & CMD_FLAG_REQUEST) ); |
---|
1009 | |
---|
1010 | /* The answer is supposed to be the next element in the list, if it exists */ |
---|
1011 | ans = req->list[1].next->o; |
---|
1012 | if ( ans == NULL ) { |
---|
1013 | TRACE_DEBUG( FULL, "the request was the last element in the list" ); |
---|
1014 | ret = ENOENT; |
---|
1015 | goto end; |
---|
1016 | } |
---|
1017 | |
---|
1018 | /* Now check that the ans element is really the correct one */ |
---|
1019 | if ( (ans->data.cmd.cmd_code != req->data.cmd.cmd_code) |
---|
1020 | || (!(ans->data.cmd.cmd_flag_mask & CMD_FLAG_REQUEST)) |
---|
1021 | || ( ans->data.cmd.cmd_flag_val & CMD_FLAG_REQUEST ) ) { |
---|
1022 | TRACE_DEBUG( FULL, "the answer does not follow the request in the list" ); |
---|
1023 | ret = ENOENT; |
---|
1024 | goto end; |
---|
1025 | } |
---|
1026 | |
---|
1027 | if (result) |
---|
1028 | *result = ans; |
---|
1029 | ret = 0; |
---|
1030 | } |
---|
1031 | break; |
---|
1032 | |
---|
1033 | default: |
---|
1034 | /* Invalid criteria */ |
---|
1035 | CHECK_PARAMS( criteria = 0 ); |
---|
1036 | } |
---|
1037 | end: |
---|
1038 | return ret; |
---|
1039 | } |
---|
1040 | |
---|
1041 | static int search_rule ( struct dictionary * dict, int criteria, const void * what, struct dict_object **result ) |
---|
1042 | { |
---|
1043 | int ret = 0; |
---|
1044 | |
---|
1045 | TRACE_ENTRY("%p %d %p %p", dict, criteria, what, result); |
---|
1046 | |
---|
1047 | switch (criteria) { |
---|
1048 | case RULE_BY_AVP_AND_PARENT: |
---|
1049 | { |
---|
1050 | struct dict_object * parent = NULL; |
---|
1051 | struct dict_object * avp = NULL; |
---|
1052 | struct dict_rule_request * _what = (struct dict_rule_request *) what; |
---|
1053 | |
---|
1054 | CHECK_PARAMS( _what |
---|
1055 | && (parent = _what->rule_parent) |
---|
1056 | && (avp = _what->rule_avp ) ); |
---|
1057 | |
---|
1058 | CHECK_PARAMS( verify_object(parent) |
---|
1059 | && ((parent->type == DICT_COMMAND) |
---|
1060 | || ((parent->type == DICT_AVP) && (parent->data.avp.avp_basetype == AVP_TYPE_GROUPED))) ); |
---|
1061 | |
---|
1062 | CHECK_PARAMS( verify_object(avp) && (avp->type == DICT_AVP) ); |
---|
1063 | |
---|
1064 | /* Perform the search */ |
---|
1065 | SEARCH_ruleavpname( avp->data.avp.avp_name, avp->datastr_len, &parent->list[2]); |
---|
1066 | |
---|
1067 | } |
---|
1068 | break; |
---|
1069 | |
---|
1070 | default: |
---|
1071 | /* Invalid criteria */ |
---|
1072 | CHECK_PARAMS( criteria = 0 ); |
---|
1073 | } |
---|
1074 | end: |
---|
1075 | return ret; |
---|
1076 | } |
---|
1077 | |
---|
1078 | /*******************************************************************************************************/ |
---|
1079 | /*******************************************************************************************************/ |
---|
1080 | /* */ |
---|
1081 | /* Dump / debug functions */ |
---|
1082 | /* */ |
---|
1083 | /*******************************************************************************************************/ |
---|
1084 | /*******************************************************************************************************/ |
---|
1085 | /* The following functions are used to debug the module, and allow to print out the content of the dictionary */ |
---|
1086 | static DECLARE_FD_DUMP_PROTOTYPE(dump_vendor_data, void * data ) |
---|
1087 | { |
---|
1088 | struct dict_vendor_data * vendor = (struct dict_vendor_data *)data; |
---|
1089 | |
---|
1090 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "data: %-6u \"%s\"", vendor->vendor_id, vendor->vendor_name); |
---|
1091 | } |
---|
1092 | static DECLARE_FD_DUMP_PROTOTYPE(dump_application_data, void * data ) |
---|
1093 | { |
---|
1094 | struct dict_application_data * appli = (struct dict_application_data *) data; |
---|
1095 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "data: %-6u \"%s\"", appli->application_id, appli->application_name); |
---|
1096 | } |
---|
1097 | static DECLARE_FD_DUMP_PROTOTYPE(dump_type_data, void * data ) |
---|
1098 | { |
---|
1099 | struct dict_type_data * type = ( struct dict_type_data * ) data; |
---|
1100 | |
---|
1101 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "data: %-12s \"%s\"", |
---|
1102 | type_base_name[type->type_base], |
---|
1103 | type->type_name); |
---|
1104 | } |
---|
1105 | static DECLARE_FD_DUMP_PROTOTYPE(dump_enumval_data, struct dict_enumval_data * enumval, enum dict_avp_basetype type ) |
---|
1106 | { |
---|
1107 | const int LEN_MAX = 20; |
---|
1108 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "data: (%-12s) \"%s\" -> ", type_base_name[type], enumval->enum_name), return NULL); |
---|
1109 | switch (type) { |
---|
1110 | case AVP_TYPE_OCTETSTRING: |
---|
1111 | { |
---|
1112 | int i, n=LEN_MAX; |
---|
1113 | if (enumval->enum_value.os.len < LEN_MAX) |
---|
1114 | n = enumval->enum_value.os.len; |
---|
1115 | for (i=0; i < n; i++) |
---|
1116 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "0x%2hhX/'%c' ", enumval->enum_value.os.data[i], ASCII(enumval->enum_value.os.data[i])), return NULL); |
---|
1117 | if (n == LEN_MAX) |
---|
1118 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "..."), return NULL); |
---|
1119 | } |
---|
1120 | break; |
---|
1121 | |
---|
1122 | case AVP_TYPE_INTEGER32: |
---|
1123 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "%i", enumval->enum_value.i32), return NULL); |
---|
1124 | break; |
---|
1125 | |
---|
1126 | case AVP_TYPE_INTEGER64: |
---|
1127 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "%"PRId64, enumval->enum_value.i64), return NULL); |
---|
1128 | break; |
---|
1129 | |
---|
1130 | case AVP_TYPE_UNSIGNED32: |
---|
1131 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "%u", enumval->enum_value.u32), return NULL); |
---|
1132 | break; |
---|
1133 | |
---|
1134 | case AVP_TYPE_UNSIGNED64: |
---|
1135 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "%"PRIu64, enumval->enum_value.u64), return NULL); |
---|
1136 | break; |
---|
1137 | |
---|
1138 | case AVP_TYPE_FLOAT32: |
---|
1139 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "%f", enumval->enum_value.f32), return NULL); |
---|
1140 | break; |
---|
1141 | |
---|
1142 | case AVP_TYPE_FLOAT64: |
---|
1143 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "%g", enumval->enum_value.f64), return NULL); |
---|
1144 | break; |
---|
1145 | |
---|
1146 | default: |
---|
1147 | CHECK_MALLOC_DO(fd_dump_extend( FD_DUMP_STD_PARAMS, "??? (ERROR unknown type %d)", type), return NULL); |
---|
1148 | } |
---|
1149 | return *buf; |
---|
1150 | } |
---|
1151 | static DECLARE_FD_DUMP_PROTOTYPE(dump_avp_data, void * data ) |
---|
1152 | { |
---|
1153 | struct dict_avp_data * avp = (struct dict_avp_data * ) data; |
---|
1154 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "data: v/m:" DUMP_AVPFL_str "/" DUMP_AVPFL_str ", %12s, %-6u \"%s\"", |
---|
1155 | DUMP_AVPFL_val(avp->avp_flag_val), |
---|
1156 | DUMP_AVPFL_val(avp->avp_flag_mask), |
---|
1157 | type_base_name[avp->avp_basetype], |
---|
1158 | avp->avp_code, |
---|
1159 | avp->avp_name ); |
---|
1160 | } |
---|
1161 | static DECLARE_FD_DUMP_PROTOTYPE(dump_command_data, void * data ) |
---|
1162 | { |
---|
1163 | struct dict_cmd_data * cmd = (struct dict_cmd_data *) data; |
---|
1164 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "data: v/m:" DUMP_CMDFL_str "/" DUMP_CMDFL_str ", %-6u \"%s\"", |
---|
1165 | DUMP_CMDFL_val(cmd->cmd_flag_val), DUMP_CMDFL_val(cmd->cmd_flag_mask), cmd->cmd_code, cmd->cmd_name); |
---|
1166 | } |
---|
1167 | static DECLARE_FD_DUMP_PROTOTYPE(dump_rule_data, void * data ) |
---|
1168 | { |
---|
1169 | struct dict_rule_data * rule = (struct dict_rule_data * )data; |
---|
1170 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "data: pos:%d ord:%d m/M:%2d/%2d avp:\"%s\"", |
---|
1171 | rule->rule_position, |
---|
1172 | rule->rule_order, |
---|
1173 | rule->rule_min, |
---|
1174 | rule->rule_max, |
---|
1175 | rule->rule_avp->data.avp.avp_name); |
---|
1176 | } |
---|
1177 | |
---|
1178 | static DECLARE_FD_DUMP_PROTOTYPE(dump_object, struct dict_object * obj, int parents, int depth, int indent ); |
---|
1179 | |
---|
1180 | static DECLARE_FD_DUMP_PROTOTYPE(dump_list, struct fd_list * sentinel, int parents, int depth, int indent ) |
---|
1181 | { |
---|
1182 | struct fd_list * li = sentinel; |
---|
1183 | /* We don't lock here, the caller must have taken the dictionary lock for reading already */ |
---|
1184 | if (FD_IS_LIST_EMPTY(sentinel)) { |
---|
1185 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n%*s{empty list}", indent, ""), return NULL); |
---|
1186 | } else { |
---|
1187 | while (li->next != sentinel) |
---|
1188 | { |
---|
1189 | li = li->next; |
---|
1190 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n"), return NULL); |
---|
1191 | CHECK_MALLOC_DO( dump_object (FD_DUMP_STD_PARAMS, _O(li->o), parents, depth, indent ), return NULL); |
---|
1192 | } |
---|
1193 | } |
---|
1194 | return *buf; |
---|
1195 | } |
---|
1196 | |
---|
1197 | static DECLARE_FD_DUMP_PROTOTYPE(dump_object, struct dict_object * obj, int parents, int depth, int indent ) |
---|
1198 | { |
---|
1199 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "%*s{dictobj}(@%p): ", indent, "", obj), return NULL); |
---|
1200 | |
---|
1201 | if (!verify_object(obj)) { |
---|
1202 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "INVALID/NULL"), return NULL); |
---|
1203 | return *buf; |
---|
1204 | } |
---|
1205 | |
---|
1206 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "%s p:%p ", |
---|
1207 | _OBINFO(obj).name, |
---|
1208 | obj->parent), return NULL); |
---|
1209 | |
---|
1210 | if (obj->type == DICT_ENUMVAL) { |
---|
1211 | CHECK_MALLOC_DO( dump_enumval_data ( FD_DUMP_STD_PARAMS, &obj->data.enumval, obj->parent->data.type.type_base ), return NULL); |
---|
1212 | } else { |
---|
1213 | CHECK_MALLOC_DO( _OBINFO(obj).dump_data(FD_DUMP_STD_PARAMS, &obj->data), return NULL); |
---|
1214 | } |
---|
1215 | |
---|
1216 | if (parents) { |
---|
1217 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n%*sparent:", indent + 1, ""), return NULL); |
---|
1218 | CHECK_MALLOC_DO( dump_object (FD_DUMP_STD_PARAMS, obj->parent, parents-1, 0, 0 ), return NULL); |
---|
1219 | } |
---|
1220 | |
---|
1221 | if (depth) { |
---|
1222 | int i; |
---|
1223 | for (i=0; i<NB_LISTS_PER_OBJ; i++) { |
---|
1224 | if ((obj->list[i].o == NULL) && (obj->list[i].next != &obj->list[i])) { |
---|
1225 | CHECK_MALLOC_DO( dump_list(FD_DUMP_STD_PARAMS, &obj->list[i], 0, depth - 1, indent + 2), return NULL); |
---|
1226 | break; /* we get duplicate information sorted by another criteria otherwise, which is not very useful */ |
---|
1227 | } |
---|
1228 | } |
---|
1229 | } |
---|
1230 | |
---|
1231 | return *buf; |
---|
1232 | } |
---|
1233 | |
---|
1234 | DECLARE_FD_DUMP_PROTOTYPE(fd_dict_dump_object, struct dict_object * obj) |
---|
1235 | { |
---|
1236 | FD_DUMP_HANDLE_OFFSET(); |
---|
1237 | |
---|
1238 | CHECK_MALLOC_DO( dump_object(FD_DUMP_STD_PARAMS, obj, 1, 2, 0), return NULL); |
---|
1239 | |
---|
1240 | return *buf; |
---|
1241 | } |
---|
1242 | |
---|
1243 | DECLARE_FD_DUMP_PROTOTYPE(fd_dict_dump, struct dictionary * dict) |
---|
1244 | { |
---|
1245 | int i; |
---|
1246 | struct fd_list * li; |
---|
1247 | |
---|
1248 | FD_DUMP_HANDLE_OFFSET(); |
---|
1249 | |
---|
1250 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "{dictionary}(@%p): ", dict), return NULL); |
---|
1251 | |
---|
1252 | if ((dict == NULL) || (dict->dict_eyec != DICT_EYECATCHER)) { |
---|
1253 | return fd_dump_extend(FD_DUMP_STD_PARAMS, "INVALID/NULL"); |
---|
1254 | } |
---|
1255 | |
---|
1256 | CHECK_POSIX_DO( pthread_rwlock_rdlock( &dict->dict_lock ), /* ignore */ ); |
---|
1257 | |
---|
1258 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n {dict}(@%p): VENDORS / AVP / RULES\n", dict), goto error); |
---|
1259 | CHECK_MALLOC_DO( dump_object (FD_DUMP_STD_PARAMS, &dict->dict_vendors, 0, 3, 3 ), goto error); |
---|
1260 | for (li = dict->dict_vendors.list[0].next; li != &dict->dict_vendors.list[0]; li = li->next) { |
---|
1261 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n"), return NULL); |
---|
1262 | CHECK_MALLOC_DO( dump_object (FD_DUMP_STD_PARAMS, li->o, 0, 3, 3 ), goto error); |
---|
1263 | } |
---|
1264 | |
---|
1265 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n {dict}(@%p): APPLICATIONS\n", dict), goto error); |
---|
1266 | CHECK_MALLOC_DO( dump_object (FD_DUMP_STD_PARAMS, &dict->dict_applications, 0, 1, 3 ), goto error); |
---|
1267 | for (li = dict->dict_applications.list[0].next; li != &dict->dict_applications.list[0]; li = li->next) { |
---|
1268 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n"), return NULL); |
---|
1269 | CHECK_MALLOC_DO( dump_object (FD_DUMP_STD_PARAMS, li->o, 0, 1, 3 ), goto error); |
---|
1270 | } |
---|
1271 | |
---|
1272 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n {dict}(@%p): TYPES / ENUMVAL", dict), goto error); |
---|
1273 | CHECK_MALLOC_DO( dump_list(FD_DUMP_STD_PARAMS, &dict->dict_types, 0, 2, 3 ), goto error); |
---|
1274 | |
---|
1275 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n {dict}(@%p): COMMANDS / RULES", dict), goto error); |
---|
1276 | CHECK_MALLOC_DO( dump_list(FD_DUMP_STD_PARAMS, &dict->dict_cmd_code, 0, 0, 3 ), goto error); |
---|
1277 | |
---|
1278 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n {dict}(@%p): statistics", dict), goto error); |
---|
1279 | for (i=1; i<=DICT_TYPE_MAX; i++) |
---|
1280 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "\n %5d: %s", dict->dict_count[i], dict_obj_info[i].name), goto error); |
---|
1281 | |
---|
1282 | CHECK_POSIX_DO( pthread_rwlock_unlock( &dict->dict_lock ), /* ignore */ ); |
---|
1283 | return *buf; |
---|
1284 | error: |
---|
1285 | /* Free the rwlock */ |
---|
1286 | CHECK_POSIX_DO( pthread_rwlock_unlock( &dict->dict_lock ), /* ignore */ ); |
---|
1287 | return NULL; |
---|
1288 | } |
---|
1289 | |
---|
1290 | /**************************** Dump AVP values ********************************/ |
---|
1291 | |
---|
1292 | /* Default dump functions */ |
---|
1293 | static DECLARE_FD_DUMP_PROTOTYPE(dump_val_os, union avp_value * value) |
---|
1294 | { |
---|
1295 | int i; |
---|
1296 | |
---|
1297 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "<"), return NULL); |
---|
1298 | for (i = 0; i < value->os.len; i++) { |
---|
1299 | if (i == 1024) { /* Dump only up to 1024 bytes of the buffer */ |
---|
1300 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "[...] (len=%zd)", value->os.len), return NULL); |
---|
1301 | break; |
---|
1302 | } |
---|
1303 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "%s%02hhX", (i==0 ? "" : " "), value->os.data[i]), return NULL); |
---|
1304 | } |
---|
1305 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, ">"), return NULL); |
---|
1306 | return *buf; |
---|
1307 | } |
---|
1308 | |
---|
1309 | static DECLARE_FD_DUMP_PROTOTYPE(dump_val_i32, union avp_value * value) |
---|
1310 | { |
---|
1311 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "%i (0x%x)", value->i32, value->i32); |
---|
1312 | } |
---|
1313 | |
---|
1314 | static DECLARE_FD_DUMP_PROTOTYPE(dump_val_i64, union avp_value * value) |
---|
1315 | { |
---|
1316 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "%" PRId64 " (0x%" PRIx64 ")", value->i64, value->i64); |
---|
1317 | } |
---|
1318 | |
---|
1319 | static DECLARE_FD_DUMP_PROTOTYPE(dump_val_u32, union avp_value * value) |
---|
1320 | { |
---|
1321 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "%u (0x%x)", value->u32, value->u32); |
---|
1322 | } |
---|
1323 | |
---|
1324 | static DECLARE_FD_DUMP_PROTOTYPE(dump_val_u64, union avp_value * value) |
---|
1325 | { |
---|
1326 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "%" PRIu64 " (0x%" PRIx64 ")", value->u64, value->u64); |
---|
1327 | } |
---|
1328 | |
---|
1329 | static DECLARE_FD_DUMP_PROTOTYPE(dump_val_f32, union avp_value * value) |
---|
1330 | { |
---|
1331 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "%f", value->f32); |
---|
1332 | } |
---|
1333 | |
---|
1334 | static DECLARE_FD_DUMP_PROTOTYPE(dump_val_f64, union avp_value * value) |
---|
1335 | { |
---|
1336 | return fd_dump_extend( FD_DUMP_STD_PARAMS, "%g", value->f64); |
---|
1337 | } |
---|
1338 | |
---|
1339 | /* Get the dump function for basic dict_avp_basetype */ |
---|
1340 | static DECLARE_FD_DUMP_PROTOTYPE((*get_default_dump_val_cb(enum dict_avp_basetype datatype)), union avp_value *) |
---|
1341 | { |
---|
1342 | switch (datatype) { |
---|
1343 | case AVP_TYPE_OCTETSTRING: |
---|
1344 | return &dump_val_os; |
---|
1345 | |
---|
1346 | case AVP_TYPE_INTEGER32: |
---|
1347 | return &dump_val_i32; |
---|
1348 | |
---|
1349 | case AVP_TYPE_INTEGER64: |
---|
1350 | return &dump_val_i64; |
---|
1351 | |
---|
1352 | case AVP_TYPE_UNSIGNED32: |
---|
1353 | return &dump_val_u32; |
---|
1354 | |
---|
1355 | case AVP_TYPE_UNSIGNED64: |
---|
1356 | return &dump_val_u64; |
---|
1357 | |
---|
1358 | case AVP_TYPE_FLOAT32: |
---|
1359 | return &dump_val_f32; |
---|
1360 | |
---|
1361 | case AVP_TYPE_FLOAT64: |
---|
1362 | return &dump_val_f64; |
---|
1363 | |
---|
1364 | case AVP_TYPE_GROUPED: |
---|
1365 | TRACE_DEBUG(FULL, "error: grouped AVP with a value!"); |
---|
1366 | } |
---|
1367 | return NULL; |
---|
1368 | } |
---|
1369 | |
---|
1370 | /* indent inside an object (duplicate from messages.c) */ |
---|
1371 | #define INOBJHDR "%*s " |
---|
1372 | #define INOBJHDRVAL indent<0 ? 1 : indent, indent<0 ? "-" : "|" |
---|
1373 | |
---|
1374 | typedef DECLARE_FD_DUMP_PROTOTYPE((*dump_val_cb_t), union avp_value *); |
---|
1375 | |
---|
1376 | /* Formatter for the AVP value dump line */ |
---|
1377 | static DECLARE_FD_DUMP_PROTOTYPE(dump_avp_val, union avp_value *avp_value, |
---|
1378 | dump_val_cb_t def_dump_val_cb, |
---|
1379 | dump_val_cb_t dump_val_cb, |
---|
1380 | enum dict_avp_basetype datatype, |
---|
1381 | char * type_name, |
---|
1382 | char * const_name, |
---|
1383 | int indent, |
---|
1384 | int header) |
---|
1385 | { |
---|
1386 | if (header) { |
---|
1387 | /* Header for all AVP values dumps: */ |
---|
1388 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, INOBJHDR "value ", INOBJHDRVAL), return NULL); |
---|
1389 | |
---|
1390 | /* If the type is provided, write it */ |
---|
1391 | if (type_name) { |
---|
1392 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "t: '%s' ", type_name), return NULL); |
---|
1393 | } |
---|
1394 | |
---|
1395 | /* Always give the base datatype anyway */ |
---|
1396 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "(%s) ", type_base_name[datatype]), return NULL); |
---|
1397 | |
---|
1398 | /* Now, the value */ |
---|
1399 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "v: "), return NULL); |
---|
1400 | } |
---|
1401 | if (const_name) { |
---|
1402 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "'%s' (", const_name), return NULL); |
---|
1403 | } |
---|
1404 | if (dump_val_cb) { |
---|
1405 | CHECK_MALLOC_DO( (*dump_val_cb)( FD_DUMP_STD_PARAMS, avp_value), fd_dump_extend( FD_DUMP_STD_PARAMS, "(dump failed)")); |
---|
1406 | } else { |
---|
1407 | CHECK_MALLOC_DO( (*def_dump_val_cb)( FD_DUMP_STD_PARAMS, avp_value), return NULL); |
---|
1408 | } |
---|
1409 | if (const_name) { |
---|
1410 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, ")"), return NULL); |
---|
1411 | } |
---|
1412 | |
---|
1413 | /* Done! */ |
---|
1414 | return *buf; |
---|
1415 | } |
---|
1416 | |
---|
1417 | /* Dump the value of an AVP of known type into the returned str */ |
---|
1418 | DECLARE_FD_DUMP_PROTOTYPE(fd_dict_dump_avp_value, union avp_value *avp_value, struct dict_object * model, int indent, int header) |
---|
1419 | { |
---|
1420 | DECLARE_FD_DUMP_PROTOTYPE((*dump_val_cb), union avp_value *avp_value) = NULL; |
---|
1421 | struct dict_object * type = NULL; |
---|
1422 | char * type_name = NULL; |
---|
1423 | char * const_name = NULL; |
---|
1424 | |
---|
1425 | FD_DUMP_HANDLE_OFFSET(); |
---|
1426 | |
---|
1427 | /* Handle invalid parameters */ |
---|
1428 | if (!avp_value) { |
---|
1429 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "(avp value not set)"), return NULL); |
---|
1430 | return *buf; |
---|
1431 | } |
---|
1432 | |
---|
1433 | if (!model) { |
---|
1434 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "(model not set)"), return NULL); |
---|
1435 | return *buf; |
---|
1436 | } |
---|
1437 | |
---|
1438 | if (! ( verify_object(model) && (model->type == DICT_AVP) )) { |
---|
1439 | CHECK_MALLOC_DO( fd_dump_extend( FD_DUMP_STD_PARAMS, "(invalid model)"), return NULL); |
---|
1440 | return *buf; |
---|
1441 | } |
---|
1442 | |
---|
1443 | /* Get the type definition of this AVP */ |
---|
1444 | type = model->parent; |
---|
1445 | if (type) { |
---|
1446 | struct dict_enumval_request request; |
---|
1447 | struct dict_object * enumval = NULL; |
---|
1448 | |
---|
1449 | type_name = type->data.type.type_name; |
---|
1450 | |
---|
1451 | /* overwrite the dump function ? */ |
---|
1452 | if (type->data.type.type_dump) |
---|
1453 | dump_val_cb = type->data.type.type_dump; |
---|
1454 | |
---|
1455 | /* Now check if the AVP value matches a constant */ |
---|
1456 | memset(&request, 0, sizeof(request)); |
---|
1457 | request.type_obj = type; |
---|
1458 | memcpy(&request.search.enum_value, avp_value, sizeof(union avp_value)); |
---|
1459 | /* bypass checks */ |
---|
1460 | if ((search_enumval( type->dico, ENUMVAL_BY_STRUCT, &request, &enumval ) == 0) && (enumval)) { |
---|
1461 | /* We found a constant, get its name */ |
---|
1462 | const_name = enumval->data.enumval.enum_name; |
---|
1463 | } |
---|
1464 | } |
---|
1465 | |
---|
1466 | /* And finally, dump the value */ |
---|
1467 | CHECK_MALLOC_DO( dump_avp_val(FD_DUMP_STD_PARAMS, avp_value, get_default_dump_val_cb(model->data.avp.avp_basetype), dump_val_cb, model->data.avp.avp_basetype, type_name, const_name, indent, header), return NULL ); |
---|
1468 | return *buf; |
---|
1469 | } |
---|
1470 | |
---|
1471 | /*******************************************************************************************************/ |
---|
1472 | /*******************************************************************************************************/ |
---|
1473 | /* */ |
---|
1474 | /* Exported functions */ |
---|
1475 | /* */ |
---|
1476 | /*******************************************************************************************************/ |
---|
1477 | /*******************************************************************************************************/ |
---|
1478 | |
---|
1479 | /* These are the functions exported outside libfreeDiameter. */ |
---|
1480 | |
---|
1481 | /* Get the data associated to an object */ |
---|
1482 | int fd_dict_gettype ( struct dict_object * object, enum dict_object_type * type) |
---|
1483 | { |
---|
1484 | TRACE_ENTRY("%p %p", object, type); |
---|
1485 | |
---|
1486 | CHECK_PARAMS( type && verify_object(object) ); |
---|
1487 | |
---|
1488 | /* Copy the value and return */ |
---|
1489 | *type = object->type; |
---|
1490 | return 0; |
---|
1491 | } |
---|
1492 | |
---|
1493 | int fd_dict_getdict ( struct dict_object * object, struct dictionary ** dict) |
---|
1494 | { |
---|
1495 | TRACE_ENTRY("%p %p", object, dict); |
---|
1496 | |
---|
1497 | CHECK_PARAMS( dict && verify_object(object) ); |
---|
1498 | |
---|
1499 | /* Copy the value and return */ |
---|
1500 | *dict = object->dico; |
---|
1501 | return 0; |
---|
1502 | } |
---|
1503 | |
---|
1504 | |
---|
1505 | /* Get the data associated to an object */ |
---|
1506 | int fd_dict_getval ( struct dict_object * object, void * val) |
---|
1507 | { |
---|
1508 | TRACE_ENTRY("%p %p", object, val); |
---|
1509 | |
---|
1510 | CHECK_PARAMS( val && verify_object(object) ); |
---|
1511 | |
---|
1512 | /* Copy the value and return */ |
---|
1513 | memcpy(val, &object->data, _OBINFO(object).datasize);; |
---|
1514 | return 0; |
---|
1515 | } |
---|
1516 | |
---|
1517 | /* Add a new object in the dictionary */ |
---|
1518 | int fd_dict_new ( struct dictionary * dict, enum dict_object_type type, void * data, struct dict_object * parent, struct dict_object **ref ) |
---|
1519 | { |
---|
1520 | int ret = 0; |
---|
1521 | int dupos = 0; |
---|
1522 | struct dict_object * new = NULL; |
---|
1523 | struct dict_object * vendor = NULL; |
---|
1524 | struct dict_object * locref = NULL; |
---|
1525 | |
---|
1526 | TRACE_ENTRY("%p %d(%s) %p %p %p", dict, type, dict_obj_info[CHECK_TYPE(type) ? type : 0].name, data, parent, ref); |
---|
1527 | |
---|
1528 | /* Check parameters */ |
---|
1529 | CHECK_PARAMS( dict && (dict->dict_eyec == DICT_EYECATCHER) && CHECK_TYPE(type) && data ); |
---|
1530 | |
---|
1531 | /* Check the "parent" parameter */ |
---|
1532 | switch (dict_obj_info[type].parent) { |
---|
1533 | case 0: /* parent is forbidden */ |
---|
1534 | CHECK_PARAMS_DO( parent == NULL, goto error_param ); |
---|
1535 | |
---|
1536 | case 1: /* parent is optional */ |
---|
1537 | if (parent == NULL) |
---|
1538 | break; |
---|
1539 | |
---|
1540 | case 2: /* parent is mandatory */ |
---|
1541 | CHECK_PARAMS_DO( verify_object(parent), goto error_param ); |
---|
1542 | |
---|
1543 | if (type == DICT_RULE ) { /* Special case : grouped AVP or Command parents are allowed */ |
---|
1544 | CHECK_PARAMS_DO( (parent->type == DICT_COMMAND ) |
---|
1545 | || ( (parent->type == DICT_AVP) && (parent->data.avp.avp_basetype == AVP_TYPE_GROUPED ) ), goto error_param ); |
---|
1546 | } else { |
---|
1547 | CHECK_PARAMS_DO( parent->type == dict_obj_info[type].parenttype, goto error_param ); |
---|
1548 | } |
---|
1549 | } |
---|
1550 | |
---|
1551 | /* For AVP object, we must also check that the "vendor" referenced exists */ |
---|
1552 | if (type == DICT_AVP) { |
---|
1553 | CHECK_FCT_DO( fd_dict_search( dict, DICT_VENDOR, VENDOR_BY_ID, &(((struct dict_avp_data *)data)->avp_vendor), (void*)&vendor, ENOENT ), |
---|
1554 | { TRACE_DEBUG(INFO, "Unable to find vendor '%d' referenced in the AVP data", ((struct dict_avp_data *)data)->avp_vendor); goto error_param; } ); |
---|
1555 | |
---|
1556 | /* Also check if a parent is provided, that the type are the same */ |
---|
1557 | if (parent) { |
---|
1558 | CHECK_PARAMS_DO( parent->data.type.type_base == ((struct dict_avp_data *)data)->avp_basetype, goto error_param ); |
---|
1559 | } |
---|
1560 | } |
---|
1561 | |
---|
1562 | /* For RULE object, we must also check that the "avp" referenced exists */ |
---|
1563 | if (type == DICT_RULE) { |
---|
1564 | CHECK_PARAMS_DO( verify_object(((struct dict_rule_data *)data)->rule_avp), goto error_param ); |
---|
1565 | CHECK_PARAMS_DO( ((struct dict_rule_data *)data)->rule_avp->type == DICT_AVP, goto error_param ); |
---|
1566 | } |
---|
1567 | |
---|
1568 | /* For COMMAND object, check that the 'R' flag is fixed */ |
---|
1569 | if (type == DICT_COMMAND) { |
---|
1570 | CHECK_PARAMS_DO( ((struct dict_cmd_data *)data)->cmd_flag_mask & CMD_FLAG_REQUEST, goto error_param ); |
---|
1571 | } |
---|
1572 | |
---|
1573 | /* For ENUMVAL object, check if the parent type is an OctetString */ |
---|
1574 | if (type == DICT_ENUMVAL) { |
---|
1575 | if (parent->data.type.type_base == AVP_TYPE_OCTETSTRING) |
---|
1576 | dupos = 1; |
---|
1577 | } |
---|
1578 | |
---|
1579 | /* We have to check that the new values are not equal to the sentinels */ |
---|
1580 | if (type == DICT_VENDOR) { |
---|
1581 | CHECK_PARAMS_DO( ((struct dict_vendor_data *)data)->vendor_id != 0, goto error_param ); |
---|
1582 | } |
---|
1583 | if (type == DICT_APPLICATION) { |
---|
1584 | CHECK_PARAMS_DO( ((struct dict_application_data *)data)->application_id != 0, goto error_param ); |
---|
1585 | } |
---|
1586 | |
---|
1587 | /* Parameters are valid, create the new object */ |
---|
1588 | CHECK_MALLOC( new = malloc(sizeof(struct dict_object)) ); |
---|
1589 | |
---|
1590 | /* Initialize the data of the new object */ |
---|
1591 | init_object(new, type); |
---|
1592 | init_object_data(new, data, type, dupos); |
---|
1593 | new->dico = dict; |
---|
1594 | new->parent = parent; |
---|
1595 | |
---|
1596 | /* We will change the dictionary => acquire the write lock */ |
---|
1597 | CHECK_POSIX_DO( ret = pthread_rwlock_wrlock(&dict->dict_lock), goto error_free ); |
---|
1598 | |
---|
1599 | /* Now link the object -- this also checks that no object with same keys already exists */ |
---|
1600 | switch (type) { |
---|
1601 | case DICT_VENDOR: |
---|
1602 | /* A vendor object is linked in the g_dict_vendors.list[0], by their id */ |
---|
1603 | ret = fd_list_insert_ordered ( &dict->dict_vendors.list[0], &new->list[0], (int (*)(void*, void *))order_vendor_by_id, (void **)&locref ); |
---|
1604 | if (ret) |
---|
1605 | goto error_unlock; |
---|
1606 | break; |
---|
1607 | |
---|
1608 | case DICT_APPLICATION: |
---|
1609 | /* An application object is linked in the g_dict_applciations.list[0], by their id */ |
---|
1610 | ret = fd_list_insert_ordered ( &dict->dict_applications.list[0], &new->list[0], (int (*)(void*, void *))order_appli_by_id, (void **)&locref ); |
---|
1611 | if (ret) |
---|
1612 | goto error_unlock; |
---|
1613 | break; |
---|
1614 | |
---|
1615 | case DICT_TYPE: |
---|
1616 | /* A type object is linked in g_list_types by its name */ |
---|
1617 | ret = fd_list_insert_ordered ( &dict->dict_types, &new->list[0], (int (*)(void*, void *))order_type_by_name, (void **)&locref ); |
---|
1618 | if (ret) |
---|
1619 | goto error_unlock; |
---|
1620 | break; |
---|
1621 | |
---|
1622 | case DICT_ENUMVAL: |
---|
1623 | /* A type_enum object is linked in it's parent 'type' object lists 1 and 2 by its name and values */ |
---|
1624 | ret = fd_list_insert_ordered ( &parent->list[1], &new->list[0], (int (*)(void*, void *))order_enum_by_name, (void **)&locref ); |
---|
1625 | if (ret) |
---|
1626 | goto error_unlock; |
---|
1627 | |
---|
1628 | ret = fd_list_insert_ordered ( &parent->list[2], &new->list[1], (int (*)(void*, void *))order_enum_by_val, (void **)&locref ); |
---|
1629 | if (ret) { |
---|
1630 | fd_list_unlink(&new->list[0]); |
---|
1631 | goto error_unlock; |
---|
1632 | } |
---|
1633 | break; |
---|
1634 | |
---|
1635 | case DICT_AVP: |
---|
1636 | /* An avp object is linked in lists 1 and 2 of its vendor, by code and name */ |
---|
1637 | ret = fd_list_insert_ordered ( &vendor->list[1], &new->list[0], (int (*)(void*, void *))order_avp_by_code, (void **)&locref ); |
---|
1638 | if (ret) |
---|
1639 | goto error_unlock; |
---|
1640 | |
---|
1641 | ret = fd_list_insert_ordered ( &vendor->list[2], &new->list[1], (int (*)(void*, void *))order_avp_by_name, (void **)&locref ); |
---|
1642 | if (ret) { |
---|
1643 | fd_list_unlink(&new->list[0]); |
---|
1644 | goto error_unlock; |
---|
1645 | } |
---|
1646 | break; |
---|
1647 | |
---|
1648 | case DICT_COMMAND: |
---|
1649 | /* A command object is linked in g_list_cmd_name and g_list_cmd_code by its name and code */ |
---|
1650 | ret = fd_list_insert_ordered ( &dict->dict_cmd_code, &new->list[1], (int (*)(void*, void *))order_cmd_by_codefl, (void **)&locref ); |
---|
1651 | if (ret) |
---|
1652 | goto error_unlock; |
---|
1653 | |
---|
1654 | ret = fd_list_insert_ordered ( &dict->dict_cmd_name, &new->list[0], (int (*)(void*, void *))order_cmd_by_name, (void **)&locref ); |
---|
1655 | if (ret) { |
---|
1656 | fd_list_unlink(&new->list[1]); |
---|
1657 | goto error_unlock; |
---|
1658 | } |
---|
1659 | break; |
---|
1660 | |
---|
1661 | case DICT_RULE: |
---|
1662 | /* A rule object is linked in list[2] of its parent command or AVP by the name of the AVP it refers */ |
---|
1663 | ret = fd_list_insert_ordered ( &parent->list[2], &new->list[0], (int (*)(void*, void *))order_rule_by_avpvc, (void **)&locref ); |
---|
1664 | if (ret) |
---|
1665 | goto error_unlock; |
---|
1666 | break; |
---|
1667 | |
---|
1668 | default: |
---|
1669 | ASSERT(0); |
---|
1670 | } |
---|
1671 | |
---|
1672 | /* A new object has been created, increment the global counter */ |
---|
1673 | dict->dict_count[type]++; |
---|
1674 | |
---|
1675 | /* Unlock the dictionary */ |
---|
1676 | CHECK_POSIX_DO( ret = pthread_rwlock_unlock(&dict->dict_lock), goto error_free ); |
---|
1677 | |
---|
1678 | /* Save the pointer to the new object */ |
---|
1679 | if (ref) |
---|
1680 | *ref = new; |
---|
1681 | |
---|
1682 | return 0; |
---|
1683 | |
---|
1684 | error_param: |
---|
1685 | ret = EINVAL; |
---|
1686 | goto all_errors; |
---|
1687 | |
---|
1688 | error_unlock: |
---|
1689 | CHECK_POSIX_DO( pthread_rwlock_unlock(&dict->dict_lock), /* continue */ ); |
---|
1690 | if (ret == EEXIST) { |
---|
1691 | /* We have a duplicate key in locref. Check if the pointed object is the same or not */ |
---|
1692 | switch (type) { |
---|
1693 | case DICT_VENDOR: |
---|
1694 | TRACE_DEBUG(FULL, "Vendor %s already in dictionary", new->data.vendor.vendor_name); |
---|
1695 | /* if we are here, it means the two vendors id are identical */ |
---|
1696 | if (fd_os_cmp(locref->data.vendor.vendor_name, locref->datastr_len, |
---|
1697 | new->data.vendor.vendor_name, new->datastr_len)) { |
---|
1698 | TRACE_DEBUG(INFO, "Conflicting vendor name: %s", new->data.vendor.vendor_name); |
---|
1699 | break; |
---|
1700 | } |
---|
1701 | /* Otherwise (same name), we consider the function succeeded, since the (same) object is in the dictionary */ |
---|
1702 | ret = 0; |
---|
1703 | break; |
---|
1704 | |
---|
1705 | case DICT_APPLICATION: |
---|
1706 | TRACE_DEBUG(FULL, "Application %s already in dictionary", new->data.application.application_name); |
---|
1707 | /* got same id */ |
---|
1708 | if (fd_os_cmp(locref->data.application.application_name, locref->datastr_len, |
---|
1709 | new->data.application.application_name, new->datastr_len)) { |
---|
1710 | TRACE_DEBUG(FULL, "Conflicting application name"); |
---|
1711 | break; |
---|
1712 | } |
---|
1713 | ret = 0; |
---|
1714 | break; |
---|
1715 | |
---|
1716 | case DICT_TYPE: |
---|
1717 | TRACE_DEBUG(FULL, "Type %s already in dictionary", new->data.type.type_name); |
---|
1718 | /* got same name */ |
---|
1719 | if (locref->data.type.type_base != new->data.type.type_base) { |
---|
1720 | TRACE_DEBUG(FULL, "Conflicting base type"); |
---|
1721 | break; |
---|
1722 | } |
---|
1723 | /* discard new definition only it a callback is provided and different from the previous one */ |
---|
1724 | if ((new->data.type.type_interpret) && (locref->data.type.type_interpret != new->data.type.type_interpret)) { |
---|
1725 | TRACE_DEBUG(FULL, "Conflicting interpret cb"); |
---|
1726 | break; |
---|
1727 | } |
---|
1728 | if ((new->data.type.type_encode) && (locref->data.type.type_encode != new->data.type.type_encode)) { |
---|
1729 | TRACE_DEBUG(FULL, "Conflicting encode cb"); |
---|
1730 | break; |
---|
1731 | } |
---|
1732 | if ((new->data.type.type_dump) && (locref->data.type.type_dump != new->data.type.type_dump)) { |
---|
1733 | TRACE_DEBUG(FULL, "Conflicting dump cb"); |
---|
1734 | break; |
---|
1735 | } |
---|
1736 | ret = 0; |
---|
1737 | break; |
---|
1738 | |
---|
1739 | case DICT_ENUMVAL: |
---|
1740 | TRACE_DEBUG(FULL, "Enum %s already in dictionary", new->data.enumval.enum_name); |
---|
1741 | /* got either same name or same value. We check that both are true */ |
---|
1742 | if (order_enum_by_name(locref, new)) { |
---|
1743 | TRACE_DEBUG(FULL, "Conflicting enum name"); |
---|
1744 | break; |
---|
1745 | } |
---|
1746 | if (order_enum_by_val(locref, new)) { |
---|
1747 | TRACE_DEBUG(FULL, "Conflicting enum value"); |
---|
1748 | break; |
---|
1749 | } |
---|
1750 | ret = 0; |
---|
1751 | break; |
---|
1752 | |
---|
1753 | case DICT_AVP: |
---|
1754 | TRACE_DEBUG(FULL, "AVP %s already in dictionary", new->data.avp.avp_name); |
---|
1755 | /* got either same name or code */ |
---|
1756 | if (order_avp_by_code(locref, new)) { |
---|
1757 | TRACE_DEBUG(FULL, "Conflicting AVP code"); |
---|
1758 | break; |
---|
1759 | } |
---|
1760 | if (order_avp_by_name(locref, new)) { |
---|
1761 | TRACE_DEBUG(FULL, "Conflicting AVP name"); |
---|
1762 | break; |
---|
1763 | } |
---|
1764 | if (locref->data.avp.avp_vendor != new->data.avp.avp_vendor) { |
---|
1765 | TRACE_DEBUG(FULL, "Conflicting AVP vendor"); |
---|
1766 | break; |
---|
1767 | } |
---|
1768 | if (locref->data.avp.avp_flag_mask != new->data.avp.avp_flag_mask) { |
---|
1769 | TRACE_DEBUG(FULL, "Conflicting AVP flags mask"); |
---|
1770 | break; |
---|
1771 | } |
---|
1772 | if ((locref->data.avp.avp_flag_val & locref->data.avp.avp_flag_mask) != (new->data.avp.avp_flag_val & new->data.avp.avp_flag_mask)) { |
---|
1773 | TRACE_DEBUG(FULL, "Conflicting AVP flags value"); |
---|
1774 | break; |
---|
1775 | } |
---|
1776 | if (locref->data.avp.avp_basetype != new->data.avp.avp_basetype) { |
---|
1777 | TRACE_DEBUG(FULL, "Conflicting AVP base type"); |
---|
1778 | break; |
---|
1779 | } |
---|
1780 | ret = 0; |
---|
1781 | break; |
---|
1782 | |
---|
1783 | case DICT_COMMAND: |
---|
1784 | TRACE_DEBUG(FULL, "Command %s already in dictionary", new->data.cmd.cmd_name); |
---|
1785 | /* We got either same name, or same code + R flag */ |
---|
1786 | if (order_cmd_by_name(locref, new)) { |
---|
1787 | TRACE_DEBUG(FULL, "Conflicting command name"); |
---|
1788 | break; |
---|
1789 | } |
---|
1790 | if (locref->data.cmd.cmd_code != new->data.cmd.cmd_code) { |
---|
1791 | TRACE_DEBUG(FULL, "Conflicting command code"); |
---|
1792 | break; |
---|
1793 | } |
---|
1794 | if (locref->data.cmd.cmd_flag_mask != new->data.cmd.cmd_flag_mask) { |
---|
1795 | TRACE_DEBUG(FULL, "Conflicting command flags mask %hhx:%hhx", locref->data.cmd.cmd_flag_mask, new->data.cmd.cmd_flag_mask); |
---|
1796 | break; |
---|
1797 | } |
---|
1798 | if ((locref->data.cmd.cmd_flag_val & locref->data.cmd.cmd_flag_mask) != (new->data.cmd.cmd_flag_val & new->data.cmd.cmd_flag_mask)) { |
---|
1799 | TRACE_DEBUG(FULL, "Conflicting command flags value"); |
---|
1800 | break; |
---|
1801 | } |
---|
1802 | ret = 0; |
---|
1803 | break; |
---|
1804 | |
---|
1805 | case DICT_RULE: |
---|
1806 | /* Both rules point to the same AVPs (code & vendor) */ |
---|
1807 | if (locref->data.rule.rule_position != new->data.rule.rule_position) { |
---|
1808 | TRACE_DEBUG(FULL, "Conflicting rule position"); |
---|
1809 | break; |
---|
1810 | } |
---|
1811 | if ( ((locref->data.rule.rule_position == RULE_FIXED_HEAD) || |
---|
1812 | (locref->data.rule.rule_position == RULE_FIXED_TAIL)) |
---|
1813 | && (locref->data.rule.rule_order != new->data.rule.rule_order)) { |
---|
1814 | TRACE_DEBUG(FULL, "Conflicting rule order"); |
---|
1815 | break; |
---|
1816 | } |
---|
1817 | if (locref->data.rule.rule_min != new->data.rule.rule_min) { |
---|
1818 | int r1 = locref->data.rule.rule_min; |
---|
1819 | int r2 = new->data.rule.rule_min; |
---|
1820 | int p = locref->data.rule.rule_position; |
---|
1821 | if ( ((r1 != -1) && (r2 != -1)) /* none of the definitions contains the "default" value */ |
---|
1822 | || ((p == RULE_OPTIONAL) && (r1 != 0) && (r2 != 0)) /* the other value is not 0 for an optional rule */ |
---|
1823 | || ((r1 != 1) && (r2 != 1)) /* the other value is not 1 for another rule */ |
---|
1824 | ) { |
---|
1825 | TRACE_DEBUG(FULL, "Conflicting rule min"); |
---|
1826 | break; |
---|
1827 | } |
---|
1828 | } |
---|
1829 | if (locref->data.rule.rule_max != new->data.rule.rule_max) { |
---|
1830 | TRACE_DEBUG(FULL, "Conflicting rule max"); |
---|
1831 | break; |
---|
1832 | } |
---|
1833 | ret = 0; |
---|
1834 | break; |
---|
1835 | } |
---|
1836 | if (!ret) { |
---|
1837 | TRACE_DEBUG(FULL, "An existing object with the same data was found, ignoring the error..."); |
---|
1838 | } |
---|
1839 | if (ref) |
---|
1840 | *ref = locref; |
---|
1841 | } |
---|
1842 | all_errors: |
---|
1843 | if (ret != 0) { |
---|
1844 | char * buf = NULL; |
---|
1845 | size_t len = 0, offset=0; |
---|
1846 | |
---|
1847 | if (type == DICT_ENUMVAL) { |
---|
1848 | CHECK_MALLOC( dump_enumval_data ( &buf, &len, &offset, data, parent->data.type.type_base )); |
---|
1849 | } else { |
---|
1850 | CHECK_MALLOC( dict_obj_info[CHECK_TYPE(type) ? type : 0].dump_data(&buf, &len, &offset, data) ); |
---|
1851 | } |
---|
1852 | |
---|
1853 | TRACE_DEBUG(INFO, "An error occurred while adding the following data in the dictionary: %s", buf); |
---|
1854 | |
---|
1855 | if (ret == EEXIST) { |
---|
1856 | offset=0; |
---|
1857 | CHECK_MALLOC( dump_object(&buf, &len, &offset, locref, 0, 0, 0) ); |
---|
1858 | TRACE_DEBUG(INFO, "Conflicting entry in the dictionary: %s", buf); |
---|
1859 | } |
---|
1860 | free(buf); |
---|
1861 | } |
---|
1862 | error_free: |
---|
1863 | free(new); |
---|
1864 | return ret; |
---|
1865 | } |
---|
1866 | |
---|
1867 | |
---|
1868 | int fd_dict_delete(struct dict_object * obj) |
---|
1869 | { |
---|
1870 | int i; |
---|
1871 | struct dictionary * dict; |
---|
1872 | int ret=0; |
---|
1873 | |
---|
1874 | /* check params */ |
---|
1875 | CHECK_PARAMS( verify_object(obj) && obj->dico); |
---|
1876 | dict = obj->dico; |
---|
1877 | |
---|
1878 | /* Lock the dictionary for change */ |
---|
1879 | CHECK_POSIX( pthread_rwlock_wrlock(&dict->dict_lock) ); |
---|
1880 | |
---|
1881 | /* check the object is not sentinel for another list */ |
---|
1882 | for (i=0; i<NB_LISTS_PER_OBJ; i++) { |
---|
1883 | if (!_OBINFO(obj).haslist[i] && !(FD_IS_LIST_EMPTY(&obj->list[i]))) { |
---|
1884 | /* There are children, this is not good */ |
---|
1885 | ret = EINVAL; |
---|
1886 | TRACE_DEBUG (FULL, "Cannot delete object, list %d not empty:", i); |
---|
1887 | #if 0 |
---|
1888 | dump_list(&obj->list[i], 0,0,0); |
---|
1889 | #endif |
---|
1890 | break; |
---|
1891 | } |
---|
1892 | } |
---|
1893 | |
---|
1894 | /* ok, now destroy the object */ |
---|
1895 | if (!ret) |
---|
1896 | destroy_object(obj); |
---|
1897 | |
---|
1898 | /* Unlock */ |
---|
1899 | CHECK_POSIX( pthread_rwlock_unlock(&dict->dict_lock) ); |
---|
1900 | |
---|
1901 | return ret; |
---|
1902 | } |
---|
1903 | |
---|
1904 | |
---|
1905 | int fd_dict_search ( struct dictionary * dict, enum dict_object_type type, int criteria, const void * what, struct dict_object **result, int retval ) |
---|
1906 | { |
---|
1907 | int ret = 0; |
---|
1908 | |
---|
1909 | TRACE_ENTRY("%p %d(%s) %d %p %p %d", dict, type, dict_obj_info[CHECK_TYPE(type) ? type : 0].name, criteria, what, result, retval); |
---|
1910 | |
---|
1911 | /* Check param */ |
---|
1912 | CHECK_PARAMS( dict && (dict->dict_eyec == DICT_EYECATCHER) && CHECK_TYPE(type) ); |
---|
1913 | |
---|
1914 | /* Lock the dictionary for reading */ |
---|
1915 | CHECK_POSIX( pthread_rwlock_rdlock(&dict->dict_lock) ); |
---|
1916 | |
---|
1917 | /* Now call the type-specific search function */ |
---|
1918 | ret = dict_obj_info[type].search_fct (dict, criteria, what, result); |
---|
1919 | |
---|
1920 | /* Unlock */ |
---|
1921 | CHECK_POSIX( pthread_rwlock_unlock(&dict->dict_lock) ); |
---|
1922 | |
---|
1923 | /* Update the return value as needed */ |
---|
1924 | if ((result != NULL) && (*result == NULL)) |
---|
1925 | ret = retval; |
---|
1926 | |
---|
1927 | return ret; |
---|
1928 | } |
---|
1929 | |
---|
1930 | /* Function to retrieve list of objects in the dictionary. Use with care (read only). |
---|
1931 | |
---|
1932 | All returned list must be accessed like this: |
---|
1933 | |
---|
1934 | for (li = sentinel->next; li != sentinel; li=li->next) { |
---|
1935 | struct dict_object * obj = li->o; |
---|
1936 | ... |
---|
1937 | } |
---|
1938 | |
---|
1939 | The following criteria are allowed, with corresponding parent. |
---|
1940 | The parent is either struct dictionary * or struct dict_object * |
---|
1941 | |
---|
1942 | VENDOR_BY_ID : (parent = dictionary) returns list of vendors ordered by ID |
---|
1943 | APPLICATION_BY_ID : (parent = dictionary) returns list of applications ordered by ID |
---|
1944 | ** for these two lists, the Vendor with id 0 and applciation with id 0 are excluded. |
---|
1945 | You must resolve them separatly with dict_search. |
---|
1946 | |
---|
1947 | TYPE_BY_NAME : (parent = dictionary) returns list of types ordered by name (osstring order) |
---|
1948 | ENUMVAL_BY_NAME : (parent = type object) return list of constants for this type ordered by name (osstring order) |
---|
1949 | ENUMVAL_BY_VALUE : (parent = type object) return list of constants for this type ordered by values |
---|
1950 | AVP_BY_NAME : (parent = vendor object) return list of AVP for this vendor ordered by name (osstring order) |
---|
1951 | AVP_BY_CODE : (parent = vendor object) return list of AVP for this vendor ordered by code |
---|
1952 | CMD_BY_NAME : (parent = dictionary) returns list of commands ordered by name (osstring order) |
---|
1953 | CMD_BY_CODE_R : (parent = dictionary) returns list of commands ordered by code |
---|
1954 | RULE_BY_AVP_AND_PARENT: (parent = command or grouped AVP object) return list of rules for this object ordered by AVP vendor/code |
---|
1955 | |
---|
1956 | All other criteria are rejected. |
---|
1957 | */ |
---|
1958 | int fd_dict_getlistof(int criteria, void * parent, struct fd_list ** sentinel) |
---|
1959 | { |
---|
1960 | struct dictionary * dict = parent; |
---|
1961 | struct dict_object * obj_parent = parent; |
---|
1962 | |
---|
1963 | TRACE_ENTRY("%i %p %p", criteria, parent, sentinel); |
---|
1964 | |
---|
1965 | CHECK_PARAMS(sentinel && parent); |
---|
1966 | |
---|
1967 | switch(criteria) { |
---|
1968 | case VENDOR_BY_ID: /* parent must be the dictionary */ |
---|
1969 | CHECK_PARAMS(dict->dict_eyec == DICT_EYECATCHER); |
---|
1970 | *sentinel = &dict->dict_vendors.list[0]; |
---|
1971 | break; |
---|
1972 | |
---|
1973 | case APPLICATION_BY_ID: /* parent must be the dictionary */ |
---|
1974 | CHECK_PARAMS(dict->dict_eyec == DICT_EYECATCHER); |
---|
1975 | *sentinel = &dict->dict_applications.list[0]; |
---|
1976 | break; |
---|
1977 | |
---|
1978 | case TYPE_BY_NAME: /* parent must be the dictionary */ |
---|
1979 | CHECK_PARAMS(dict->dict_eyec == DICT_EYECATCHER); |
---|
1980 | *sentinel = &dict->dict_types; |
---|
1981 | break; |
---|
1982 | |
---|
1983 | case ENUMVAL_BY_NAME: /* parent must be a type object */ |
---|
1984 | CHECK_PARAMS(verify_object(obj_parent) && (obj_parent->type == DICT_TYPE)); |
---|
1985 | *sentinel = &obj_parent->list[1]; |
---|
1986 | break; |
---|
1987 | |
---|
1988 | case ENUMVAL_BY_VALUE: /* parent must be a type object */ |
---|
1989 | CHECK_PARAMS(verify_object(obj_parent) && (obj_parent->type == DICT_TYPE)); |
---|
1990 | *sentinel = &obj_parent->list[2]; |
---|
1991 | break; |
---|
1992 | |
---|
1993 | case AVP_BY_NAME: /* parent must be a VENDOR object */ |
---|
1994 | CHECK_PARAMS(verify_object(obj_parent) && (obj_parent->type == DICT_VENDOR)); |
---|
1995 | *sentinel = &obj_parent->list[2]; |
---|
1996 | break; |
---|
1997 | |
---|
1998 | case AVP_BY_CODE: /* parent must be a VENDOR object */ |
---|
1999 | CHECK_PARAMS(verify_object(obj_parent) && (obj_parent->type == DICT_VENDOR)); |
---|
2000 | *sentinel = &obj_parent->list[1]; |
---|
2001 | break; |
---|
2002 | |
---|
2003 | case CMD_BY_NAME: /* parent must be the dictionary */ |
---|
2004 | CHECK_PARAMS(dict->dict_eyec == DICT_EYECATCHER); |
---|
2005 | *sentinel = &dict->dict_cmd_name; |
---|
2006 | break; |
---|
2007 | |
---|
2008 | case CMD_BY_CODE_R: /* parent must be the dictionary */ |
---|
2009 | CHECK_PARAMS(dict->dict_eyec == DICT_EYECATCHER); |
---|
2010 | *sentinel = &dict->dict_cmd_code; |
---|
2011 | break; |
---|
2012 | |
---|
2013 | case RULE_BY_AVP_AND_PARENT: /* parent must be command or grouped AVP */ |
---|
2014 | CHECK_PARAMS(verify_object(obj_parent)); |
---|
2015 | CHECK_PARAMS( (obj_parent->type == DICT_COMMAND) || |
---|
2016 | ((obj_parent->type == DICT_AVP) |
---|
2017 | && (obj_parent->data.avp.avp_basetype == AVP_TYPE_GROUPED)) ); |
---|
2018 | *sentinel = &obj_parent->list[2]; |
---|
2019 | break; |
---|
2020 | |
---|
2021 | default: |
---|
2022 | CHECK_PARAMS(0); |
---|
2023 | } |
---|
2024 | |
---|
2025 | return 0; |
---|
2026 | } |
---|
2027 | |
---|
2028 | /*******************************************************************************************************/ |
---|
2029 | /*******************************************************************************************************/ |
---|
2030 | /* */ |
---|
2031 | /* The init/fini functions */ |
---|
2032 | /* */ |
---|
2033 | /*******************************************************************************************************/ |
---|
2034 | /*******************************************************************************************************/ |
---|
2035 | |
---|
2036 | /* Initialize the dictionary */ |
---|
2037 | int fd_dict_init ( struct dictionary ** dict) |
---|
2038 | { |
---|
2039 | struct dictionary * new = NULL; |
---|
2040 | |
---|
2041 | TRACE_ENTRY("%p", dict); |
---|
2042 | |
---|
2043 | /* Sanity checks */ |
---|
2044 | ASSERT( (sizeof(type_base_name) / sizeof(type_base_name[0])) == (AVP_TYPE_MAX + 1) ); |
---|
2045 | ASSERT( (sizeof(dict_obj_info) / sizeof(dict_obj_info[0])) == (DICT_TYPE_MAX + 1) ); |
---|
2046 | CHECK_PARAMS(dict); |
---|
2047 | |
---|
2048 | /* Allocate the memory for the dictionary */ |
---|
2049 | CHECK_MALLOC( new = malloc(sizeof(struct dictionary)) ); |
---|
2050 | memset(new, 0, sizeof(struct dictionary)); |
---|
2051 | |
---|
2052 | new->dict_eyec = DICT_EYECATCHER; |
---|
2053 | |
---|
2054 | /* Initialize the lock for the dictionary */ |
---|
2055 | CHECK_POSIX( pthread_rwlock_init(&new->dict_lock, NULL) ); |
---|
2056 | |
---|
2057 | /* Initialize the sentinel for vendors and AVP lists */ |
---|
2058 | init_object( &new->dict_vendors, DICT_VENDOR ); |
---|
2059 | #define NO_VENDOR_NAME "(no vendor)" |
---|
2060 | new->dict_vendors.data.vendor.vendor_name = NO_VENDOR_NAME; |
---|
2061 | new->dict_vendors.datastr_len = CONSTSTRLEN(NO_VENDOR_NAME); |
---|
2062 | /* new->dict_vendors.list[0].o = NULL; *//* overwrite since element is also sentinel for this list. */ |
---|
2063 | new->dict_vendors.dico = new; |
---|
2064 | |
---|
2065 | /* Initialize the sentinel for applications */ |
---|
2066 | init_object( &new->dict_applications, DICT_APPLICATION ); |
---|
2067 | #define APPLICATION_0_NAME "Diameter Common Messages" |
---|
2068 | new->dict_applications.data.application.application_name = APPLICATION_0_NAME; |
---|
2069 | new->dict_applications.datastr_len = CONSTSTRLEN(APPLICATION_0_NAME); |
---|
2070 | /* new->dict_applications.list[0].o = NULL; *//* overwrite since since element is also sentinel for this list. */ |
---|
2071 | new->dict_applications.dico = new; |
---|
2072 | |
---|
2073 | /* Initialize the sentinel for types */ |
---|
2074 | fd_list_init ( &new->dict_types, NULL ); |
---|
2075 | |
---|
2076 | /* Initialize the sentinels for commands */ |
---|
2077 | fd_list_init ( &new->dict_cmd_name, NULL ); |
---|
2078 | fd_list_init ( &new->dict_cmd_code, NULL ); |
---|
2079 | |
---|
2080 | /* Initialize the error command object */ |
---|
2081 | init_object( &new->dict_cmd_error, DICT_COMMAND ); |
---|
2082 | #define GENERIC_ERROR_NAME "(generic error format)" |
---|
2083 | new->dict_cmd_error.data.cmd.cmd_name = GENERIC_ERROR_NAME; |
---|
2084 | new->dict_cmd_error.datastr_len = CONSTSTRLEN(GENERIC_ERROR_NAME); |
---|
2085 | new->dict_cmd_error.data.cmd.cmd_flag_mask=CMD_FLAG_ERROR | CMD_FLAG_REQUEST | CMD_FLAG_RETRANSMIT; |
---|
2086 | new->dict_cmd_error.data.cmd.cmd_flag_val =CMD_FLAG_ERROR; |
---|
2087 | new->dict_cmd_error.dico = new; |
---|
2088 | |
---|
2089 | *dict = new; |
---|
2090 | |
---|
2091 | /* Done */ |
---|
2092 | return 0; |
---|
2093 | } |
---|
2094 | |
---|
2095 | /* Destroy a dictionary */ |
---|
2096 | int fd_dict_fini ( struct dictionary ** dict) |
---|
2097 | { |
---|
2098 | int i; |
---|
2099 | |
---|
2100 | TRACE_ENTRY(""); |
---|
2101 | CHECK_PARAMS( dict && *dict && ((*dict)->dict_eyec == DICT_EYECATCHER) ); |
---|
2102 | |
---|
2103 | /* Acquire the write lock to make sure no other operation is ongoing */ |
---|
2104 | CHECK_POSIX( pthread_rwlock_wrlock(&(*dict)->dict_lock) ); |
---|
2105 | |
---|
2106 | /* Empty all the lists, free the elements */ |
---|
2107 | destroy_list ( &(*dict)->dict_cmd_error.list[2] ); |
---|
2108 | destroy_list ( &(*dict)->dict_cmd_code ); |
---|
2109 | destroy_list ( &(*dict)->dict_cmd_name ); |
---|
2110 | destroy_list ( &(*dict)->dict_types ); |
---|
2111 | for (i=0; i< NB_LISTS_PER_OBJ; i++) { |
---|
2112 | destroy_list ( &(*dict)->dict_applications.list[i] ); |
---|
2113 | destroy_list ( &(*dict)->dict_vendors.list[i] ); |
---|
2114 | } |
---|
2115 | |
---|
2116 | /* Dictionary is empty, now destroy the lock */ |
---|
2117 | CHECK_POSIX( pthread_rwlock_unlock(&(*dict)->dict_lock) ); |
---|
2118 | CHECK_POSIX( pthread_rwlock_destroy(&(*dict)->dict_lock) ); |
---|
2119 | |
---|
2120 | free(*dict); |
---|
2121 | *dict = NULL; |
---|
2122 | |
---|
2123 | return 0; |
---|
2124 | } |
---|
2125 | |
---|
2126 | /*******************************************************************************************************/ |
---|
2127 | /*******************************************************************************************************/ |
---|
2128 | /* */ |
---|
2129 | /* Other functions */ |
---|
2130 | /* */ |
---|
2131 | /*******************************************************************************************************/ |
---|
2132 | /*******************************************************************************************************/ |
---|
2133 | |
---|
2134 | /* Iterate a callback on the rules for an object */ |
---|
2135 | int fd_dict_iterate_rules ( struct dict_object *parent, void * data, int (*cb)(void *, struct dict_rule_data *) ) |
---|
2136 | { |
---|
2137 | int ret = 0; |
---|
2138 | struct fd_list * li; |
---|
2139 | |
---|
2140 | TRACE_ENTRY("%p %p %p", parent, data, cb); |
---|
2141 | |
---|
2142 | /* Check parameters */ |
---|
2143 | CHECK_PARAMS( verify_object(parent) ); |
---|
2144 | CHECK_PARAMS( (parent->type == DICT_COMMAND) |
---|
2145 | || ((parent->type == DICT_AVP) && (parent->data.avp.avp_basetype == AVP_TYPE_GROUPED)) ); |
---|
2146 | TRACE_DEBUG (FULL, "Iterating on rules of %s: '%s'.", |
---|
2147 | _OBINFO(parent).name, |
---|
2148 | parent->type == DICT_COMMAND ? |
---|
2149 | parent->data.cmd.cmd_name |
---|
2150 | : parent->data.avp.avp_name); |
---|
2151 | |
---|
2152 | /* Acquire the read lock */ |
---|
2153 | CHECK_POSIX( pthread_rwlock_rdlock(&parent->dico->dict_lock) ); |
---|
2154 | |
---|
2155 | /* go through the list and call the cb on each rule data */ |
---|
2156 | for (li = &(parent->list[2]); li->next != &(parent->list[2]); li = li->next) { |
---|
2157 | ret = (*cb)(data, &(_O(li->next->o)->data.rule)); |
---|
2158 | if (ret != 0) |
---|
2159 | break; |
---|
2160 | } |
---|
2161 | |
---|
2162 | /* Release the lock */ |
---|
2163 | CHECK_POSIX( pthread_rwlock_unlock(&parent->dico->dict_lock) ); |
---|
2164 | |
---|
2165 | return ret; |
---|
2166 | } |
---|
2167 | |
---|
2168 | /* Create the list of vendors. Returns a 0-terminated array, that must be freed after use. Returns NULL on error. */ |
---|
2169 | uint32_t * fd_dict_get_vendorid_list(struct dictionary * dict) |
---|
2170 | { |
---|
2171 | uint32_t * ret = NULL; |
---|
2172 | int i = 0; |
---|
2173 | struct fd_list * li; |
---|
2174 | |
---|
2175 | TRACE_ENTRY(); |
---|
2176 | |
---|
2177 | /* Acquire the read lock */ |
---|
2178 | CHECK_POSIX_DO( pthread_rwlock_rdlock(&dict->dict_lock), return NULL ); |
---|
2179 | |
---|
2180 | /* Allocate an array to contain all the elements */ |
---|
2181 | CHECK_MALLOC_DO( ret = calloc( dict->dict_count[DICT_VENDOR] + 1, sizeof(uint32_t) ), goto out ); |
---|
2182 | |
---|
2183 | /* Copy the vendors IDs */ |
---|
2184 | for (li = dict->dict_vendors.list[0].next; li != &(dict->dict_vendors.list[0]); li = li->next) { |
---|
2185 | ret[i] = _O(li->o)->data.vendor.vendor_id; |
---|
2186 | i++; |
---|
2187 | ASSERT( i <= dict->dict_count[DICT_VENDOR] ); |
---|
2188 | } |
---|
2189 | out: |
---|
2190 | /* Release the lock */ |
---|
2191 | CHECK_POSIX_DO( pthread_rwlock_unlock(&dict->dict_lock), return NULL ); |
---|
2192 | |
---|
2193 | return ret; |
---|
2194 | } |
---|
2195 | |
---|
2196 | /* Return the location of the cb list for an object, after checking its type */ |
---|
2197 | int fd_dict_disp_cb(enum dict_object_type type, struct dict_object *obj, struct fd_list ** cb_list) |
---|
2198 | { |
---|
2199 | TRACE_ENTRY("%d %p %p", type, obj, cb_list); |
---|
2200 | CHECK_PARAMS( verify_object(obj) ); |
---|
2201 | CHECK_PARAMS( _OBINFO(obj).type == type ); |
---|
2202 | CHECK_PARAMS( cb_list ); |
---|
2203 | *cb_list = &obj->disp_cbs; |
---|
2204 | return 0; |
---|
2205 | } |
---|
2206 | |
---|
2207 | int fd_dict_get_error_cmd(struct dictionary * dict, struct dict_object **obj) |
---|
2208 | { |
---|
2209 | TRACE_ENTRY("%p %p", dict, obj); |
---|
2210 | CHECK_PARAMS( dict && (dict->dict_eyec == DICT_EYECATCHER) && obj ); |
---|
2211 | *obj = &dict->dict_cmd_error; |
---|
2212 | return 0; |
---|
2213 | } |
---|