GNUnet  0.10.x
plugin_reclaim_attribute_gnuid.c
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1 /*
2  This file is part of GNUnet
3  Copyright (C) 2013, 2014, 2016 GNUnet e.V.
4 
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.
9 
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.
14 
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/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19  */
20 
29 #include "platform.h"
30 #include "gnunet_util_lib.h"
32 #include <inttypes.h>
33 
34 
44 static char *
46  uint32_t type,
47  const void *data,
48  size_t data_size)
49 {
50  switch (type)
51  {
53  return GNUNET_strndup(data, data_size);
54 
55  default:
56  return NULL;
57  }
58 }
59 
60 
72 static int
74  uint32_t type,
75  const char *s,
76  void **data,
77  size_t *data_size)
78 {
79  if (NULL == s)
80  return GNUNET_SYSERR;
81  switch (type)
82  {
84  *data = GNUNET_strdup(s);
85  *data_size = strlen(s);
86  return GNUNET_OK;
87 
88  default:
89  return GNUNET_SYSERR;
90  }
91 }
92 
93 
98 static struct {
99  const char *name;
100  uint32_t number;
102  { NULL, UINT32_MAX } };
103 
104 
112 static uint32_t
113 gnuid_typename_to_number(void *cls, const char *gnuid_typename)
114 {
115  unsigned int i;
116 
117  i = 0;
118  while ((NULL != gnuid_name_map[i].name) &&
119  (0 != strcasecmp(gnuid_typename, gnuid_name_map[i].name)))
120  i++;
121  return gnuid_name_map[i].number;
122 }
123 
124 
132 static const char *
133 gnuid_number_to_typename(void *cls, uint32_t type)
134 {
135  unsigned int i;
136 
137  i = 0;
138  while ((NULL != gnuid_name_map[i].name) && (type != gnuid_name_map[i].number))
139  i++;
140  return gnuid_name_map[i].name;
141 }
142 
143 
150 void *
152 {
154 
160  return api;
161 }
162 
163 
170 void *
172 {
174 
175  GNUNET_free(api);
176  return NULL;
177 }
178 
179 /* end of plugin_reclaim_attribute_type_gnuid.c */
static struct @68 gnuid_name_map[]
Mapping of attribute type numbers to human-readable attribute type names.
void * libgnunet_plugin_reclaim_attribute_gnuid_done(void *cls)
Exit point from the plugin.
void * libgnunet_plugin_reclaim_attribute_gnuid_init(void *cls)
Entry point for the plugin.
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:75
#define GNUNET_new(type)
Allocate a struct or union of the given type.
GNUNET_RECLAIM_ATTRIBUTE_ValueToStringFunction value_to_string
Conversion to string.
static int gnuid_string_to_value(void *cls, uint32_t type, const char *s, void **data, size_t *data_size)
Convert human-readable version of a &#39;value&#39; of an attribute to the binary representation.
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
GNUNET_RECLAIM_ATTRIBUTE_TypenameToNumberFunction typename_to_number
Typename to number.
static uint32_t gnuid_typename_to_number(void *cls, const char *gnuid_typename)
Convert a type name to the corresponding number.
Each plugin is required to return a pointer to a struct of this type as the return value from its ent...
#define GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING
String attribute.
#define GNUNET_SYSERR
Definition: gnunet_common.h:76
#define GNUNET_strndup(a, length)
Wrapper around GNUNET_xstrndup_.
static char * gnuid_value_to_string(void *cls, uint32_t type, const void *data, size_t data_size)
Convert the &#39;value&#39; of an attribute to a string.
void * cls
Closure for all of the callbacks.
enum GNUNET_TESTBED_UnderlayLinkModelType type
the type of this model
const char * name
Long name of the option (may not be NULL)
uint32_t data
The data value.
static size_t data_size
Number of bytes in data.
static const char * gnuid_number_to_typename(void *cls, uint32_t type)
Convert a type number (i.e.
#define GNUNET_free(ptr)
Wrapper around free.
GNUNET_RECLAIM_ATTRIBUTE_NumberToTypenameFunction number_to_typename
Number to typename.
GNUNET_RECLAIM_ATTRIBUTE_StringToValueFunction string_to_value
Conversion to binary.