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root/svn/hopm/branches/1.1.x/src/libopm/src/config.c
Revision: 5274
Committed: Thu Jan 1 20:00:33 2015 UTC (9 years, 2 months ago) by michael
Content type: text/x-csrc
Original Path: hopm/trunk/src/libopm/src/config.c
File size: 5881 byte(s)
Log Message:
- Renamed MyMalloc() to xcalloc()

File Contents

# Content
1 /*
2 * Copyright (C) 2002 Erik Fears
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to
16 *
17 * The Free Software Foundation, Inc.
18 * 59 Temple Place - Suite 330
19 * Boston, MA 02111-1307, USA.
20 *
21 *
22 */
23
24 #include "setup.h"
25
26 #include "malloc.h"
27 #include "config.h"
28 #include "inet.h"
29 #include "opm_error.h"
30 #include "opm_types.h"
31 #include "opm_common.h"
32 #include "list.h"
33
34 #include <string.h>
35
36
37 static OPM_CONFIG_HASH_T HASH[] = {
38 {OPM_CONFIG_FD_LIMIT, OPM_TYPE_INT},
39 {OPM_CONFIG_BIND_IP , OPM_TYPE_ADDRESS},
40 {OPM_CONFIG_DNSBL_HOST, OPM_TYPE_STRING},
41 {OPM_CONFIG_TARGET_STRING, OPM_TYPE_STRINGLIST},
42 {OPM_CONFIG_SCAN_IP, OPM_TYPE_STRING},
43 {OPM_CONFIG_SCAN_PORT, OPM_TYPE_INT},
44 {OPM_CONFIG_MAX_READ, OPM_TYPE_INT},
45 {OPM_CONFIG_TIMEOUT, OPM_TYPE_INT},
46 };
47
48
49 /* config_create
50 *
51 * Create an OPM_CONFIG_T struct, set default values and return it
52 *
53 * Parameters:
54 * None;
55 *
56 * Return:
57 * Pointer to allocated OPM_CONFIG_T struct
58 */
59
60 OPM_CONFIG_T *libopm_config_create()
61 {
62 int num, i;
63 OPM_CONFIG_T *ret;
64
65 num = sizeof(HASH) / sizeof(OPM_CONFIG_HASH_T);
66
67 ret = xcalloc(sizeof(OPM_CONFIG_T));
68 ret->vars = xcalloc(sizeof(void *) * num);
69
70
71 /* Set default config items. This in the future would be much better
72 if it could set realistic defaults for each individual config item.
73
74 OPM_TYPE_INT = 0
75 OPM_TYPE_STRING = ""
76 OPM_TYPE_ADDRESS = 0.0.0.0
77 OPM_TYPE_STRINGLIST = empty list
78 */
79
80 for(i = 0; i < num; i++)
81 {
82 switch(libopm_config_gettype(i))
83 {
84 case OPM_TYPE_INT:
85 ret->vars[i] = xcalloc(sizeof(int));
86 *(int *) ret->vars[i] = 0;
87 break;
88
89 case OPM_TYPE_STRING:
90 ret->vars[i] = libopm_xstrdup("");
91 break;
92
93 case OPM_TYPE_ADDRESS:
94 ret->vars[i] = xcalloc(sizeof(opm_sockaddr));
95 memset((opm_sockaddr *) ret->vars[i], 0, sizeof(opm_sockaddr));
96 break;
97
98 case OPM_TYPE_STRINGLIST:
99 ret->vars[i] = libopm_list_create();
100 break;
101 default:
102 ret->vars[i] = NULL;
103 }
104 }
105 return ret;
106 }
107
108
109
110
111 /* config_free
112 *
113 * Free config structure and clean up
114 *
115 * Parameters:
116 * config: Structure to free/cleanup
117 *
118 * Return:
119 * None
120 */
121
122 void libopm_config_free(OPM_CONFIG_T *config)
123 {
124 int num, i;
125 OPM_NODE_T *p, *next;
126 OPM_LIST_T *list;
127
128 num = sizeof(HASH) / sizeof(OPM_CONFIG_HASH_T);
129
130 for(i = 0; i < num; i++)
131 {
132 if(config->vars[i] == NULL)
133 continue;
134
135 switch(libopm_config_gettype(i))
136 {
137 case OPM_TYPE_STRINGLIST:
138 list = (OPM_LIST_T *) config->vars[i];
139 LIST_FOREACH_SAFE(p, next, list->head)
140 {
141 MyFree(p->data);
142 MyFree(p);
143 }
144 break;
145 default:
146 MyFree(config->vars[i]);
147 break;
148 }
149 }
150
151 MyFree(config->vars);
152 MyFree(config);
153 }
154
155
156
157
158 /* config_set
159 *
160 * Set configuration options on config struct.
161 *
162 * Parameters:
163 * config: Config struct to set parameters on
164 * key: Variable within the struct to set
165 * value: Address of value to set
166 *
167 * Return:
168 * 1: Variable was set
169 * 0: Some error occured
170 */
171
172 OPM_ERR_T libopm_config_set(OPM_CONFIG_T *config, int key, const void *value)
173 {
174
175 int num;
176 OPM_NODE_T *node;
177
178 num = sizeof(HASH) / sizeof(OPM_CONFIG_HASH_T);
179
180 if(key < 0 || key >= num)
181 return OPM_ERR_BADKEY; /* Return appropriate error code eventually */
182
183 switch(libopm_config_gettype(key))
184 {
185 case OPM_TYPE_STRING:
186 if((char *) config->vars[key] != NULL)
187 MyFree(config->vars[key]);
188 config->vars[key] = libopm_xstrdup(value);
189 break;
190
191 case OPM_TYPE_INT:
192 *(int *) config->vars[key] = *(const int *) value;
193 break;
194
195 case OPM_TYPE_ADDRESS:
196 if (inet_pton(AF_INET, value, &(((opm_sockaddr *)config->vars[key])->sa4.sin_addr)) <= 0)
197 return OPM_ERR_BADVALUE; /* return appropriate err code */
198
199 break;
200
201 case OPM_TYPE_STRINGLIST:
202 node = libopm_node_create(libopm_xstrdup(value));
203 libopm_list_add((OPM_LIST_T *) config->vars[key], node);
204 break;
205
206 default:
207 return OPM_ERR_BADKEY; /* return appropriate err code */
208
209 }
210
211 return OPM_SUCCESS;
212
213 }
214
215
216
217
218 /* config_gettype
219 *
220 * Get type of key.
221 *
222 * Parameters:
223 * key: Key to get type of.
224 *
225 * Return:
226 * TYPE_? of key
227 */
228
229 int libopm_config_gettype(int key)
230 {
231 int num, i;
232
233 num = sizeof(HASH) / sizeof(OPM_CONFIG_HASH_T);
234
235 for(i = 0; i < num; i++)
236 if(HASH[i].key == key)
237 return HASH[i].type;
238
239 return 0;
240 }
241
242 /* config
243 *
244 * Retrieve a specific config variable from
245 * an OPM_CONFIG_T struct. This is basically a
246 * wrapper to extracting the variable from the
247 * array.
248 *
249 * Parameters:
250 * config: Config struct to extract from
251 * key: Value to extract
252 *
253 * Return:
254 * -ADDRESS- to extracted value in array. This address
255 * will have to be cast on the return end to be any use.
256 */
257
258 void *libopm_config(OPM_CONFIG_T *config, int key)
259 {
260 return config->vars[key];
261 }

Properties

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svn:eol-style native
svn:keywords Id