2 This file is part of GNUnet
3 Copyright (C) 2013, 2014, 2016 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
22 * @file reclaim-attribute/plugin_reclaim_attribute_gnuid.c
23 * @brief reclaim-attribute-plugin-gnuid attribute plugin to provide the API for
27 * @author Martin Schanzenbach
30 #include "gnunet_util_lib.h"
31 #include "gnunet_reclaim_plugin.h"
36 * Convert the 'value' of an attribute to a string.
38 * @param cls closure, unused
39 * @param type type of the attribute
40 * @param data value in binary encoding
41 * @param data_size number of bytes in @a data
42 * @return NULL on error, otherwise human-readable representation of the value
45 basic_value_to_string (void *cls,
52 case GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING:
53 return GNUNET_strndup (data, data_size);
62 * Convert human-readable version of a 'value' of an attribute to the binary
65 * @param cls closure, unused
66 * @param type type of the attribute
67 * @param s human-readable string
68 * @param data set to value in binary encoding (will be allocated)
69 * @param data_size set to number of bytes in @a data
70 * @return #GNUNET_OK on success
73 basic_string_to_value (void *cls,
83 case GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING:
84 *data = GNUNET_strdup (s);
85 *data_size = strlen (s);
94 * Mapping of attribute type numbers to human-readable
95 * attribute type names.
101 } basic_name_map[] = { { "STRING", GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING },
102 { NULL, UINT32_MAX } };
106 * Convert a type name to the corresponding number.
108 * @param cls closure, unused
109 * @param basic_typename name to convert
110 * @return corresponding number, UINT32_MAX on error
113 basic_typename_to_number (void *cls, const char *basic_typename)
118 while ((NULL != basic_name_map[i].name) &&
119 (0 != strcasecmp (basic_typename, basic_name_map[i].name)))
121 return basic_name_map[i].number;
126 * Convert a type number (i.e. 1) to the corresponding type string
128 * @param cls closure, unused
129 * @param type number of a type to convert
130 * @return corresponding typestring, NULL on error
133 basic_number_to_typename (void *cls, uint32_t type)
138 while ((NULL != basic_name_map[i].name) && (type != basic_name_map[i].number))
140 return basic_name_map[i].name;
145 * Entry point for the plugin.
148 * @return the exported block API
151 libgnunet_plugin_reclaim_attribute_basic_init (void *cls)
153 struct GNUNET_RECLAIM_AttributePluginFunctions *api;
155 api = GNUNET_new (struct GNUNET_RECLAIM_AttributePluginFunctions);
156 api->value_to_string = &basic_value_to_string;
157 api->string_to_value = &basic_string_to_value;
158 api->typename_to_number = &basic_typename_to_number;
159 api->number_to_typename = &basic_number_to_typename;
165 * Exit point from the plugin.
167 * @param cls the return value from #libgnunet_plugin_block_test_init()
171 libgnunet_plugin_reclaim_attribute_basic_done (void *cls)
173 struct GNUNET_RECLAIM_AttributePluginFunctions *api = cls;
180 /* end of plugin_reclaim_attribute_type_gnuid.c */