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20 * @file identity-attribute/plugin_identity_attribute_gnuid.c
21 * @brief identity attribute plugin to provide the API for fundamental
24 * @author Martin Schanzenbach
27 #include "gnunet_util_lib.h"
28 #include "gnunet_identity_attribute_plugin.h"
33 * Convert the 'value' of an attribute to a string.
35 * @param cls closure, unused
36 * @param type type of the attribute
37 * @param data value in binary encoding
38 * @param data_size number of bytes in @a data
39 * @return NULL on error, otherwise human-readable representation of the value
42 gnuid_value_to_string (void *cls,
50 case GNUNET_IDENTITY_ATTRIBUTE_TYPE_STRING:
51 return GNUNET_strndup (data, data_size);
59 * Convert human-readable version of a 'value' of an attribute to the binary
62 * @param cls closure, unused
63 * @param type type of the attribute
64 * @param s human-readable string
65 * @param data set to value in binary encoding (will be allocated)
66 * @param data_size set to number of bytes in @a data
67 * @return #GNUNET_OK on success
70 gnuid_string_to_value (void *cls,
81 case GNUNET_IDENTITY_ATTRIBUTE_TYPE_STRING:
82 *data = GNUNET_strdup (s);
83 *data_size = strlen (s);
92 * Mapping of attribute type numbers to human-readable
93 * attribute type names.
98 } gnuid_name_map[] = {
99 { "STRING", GNUNET_IDENTITY_ATTRIBUTE_TYPE_STRING },
105 * Convert a type name to the corresponding number.
107 * @param cls closure, unused
108 * @param gnuid_typename name to convert
109 * @return corresponding number, UINT32_MAX on error
112 gnuid_typename_to_number (void *cls,
113 const char *gnuid_typename)
118 while ( (NULL != gnuid_name_map[i].name) &&
119 (0 != strcasecmp (gnuid_typename,
120 gnuid_name_map[i].name)) )
122 return gnuid_name_map[i].number;
127 * Convert a type number (i.e. 1) to the corresponding type string
129 * @param cls closure, unused
130 * @param type number of a type to convert
131 * @return corresponding typestring, NULL on error
134 gnuid_number_to_typename (void *cls,
140 while ( (NULL != gnuid_name_map[i].name) &&
141 (type != gnuid_name_map[i].number) )
143 return gnuid_name_map[i].name;
148 * Entry point for the plugin.
151 * @return the exported block API
154 libgnunet_plugin_identity_attribute_gnuid_init (void *cls)
156 struct GNUNET_IDENTITY_ATTRIBUTE_PluginFunctions *api;
158 api = GNUNET_new (struct GNUNET_IDENTITY_ATTRIBUTE_PluginFunctions);
159 api->value_to_string = &gnuid_value_to_string;
160 api->string_to_value = &gnuid_string_to_value;
161 api->typename_to_number = &gnuid_typename_to_number;
162 api->number_to_typename = &gnuid_number_to_typename;
168 * Exit point from the plugin.
170 * @param cls the return value from #libgnunet_plugin_block_test_init()
174 libgnunet_plugin_identity_attribute_gnuid_done (void *cls)
176 struct GNUNET_IDENTITY_ATTRIBUTE_PluginFunctions *api = cls;
182 /* end of plugin_identity_attribute_type_gnuid.c */