1 /* $NetBSD: citrus_pivot_factory.c,v 1.7 2009/04/12 14:20:19 lukem Exp $ */
2
3 /*-
4 * Copyright (c)2003 Citrus Project,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #if HAVE_NBTOOL_CONFIG_H
30 #include "nbtool_config.h"
31 #endif
32
33 #include <sys/cdefs.h>
34 #if defined(LIBC_SCCS) && !defined(lint)
35 __RCSID("$NetBSD: citrus_pivot_factory.c,v 1.7 2009/04/12 14:20:19 lukem Exp $");
36 #endif /* LIBC_SCCS and not lint */
37
38 #include <assert.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <errno.h>
43 #include <ctype.h>
44 #include <limits.h>
45 #include <sys/queue.h>
46
47 #include "citrus_namespace.h"
48 #include "citrus_region.h"
49 #include "citrus_bcs.h"
50 #include "citrus_db_factory.h"
51 #include "citrus_db_hash.h"
52 #include "citrus_pivot_file.h"
53 #include "citrus_pivot_factory.h"
54
55 struct src_entry {
56 char *se_name;
57 struct _citrus_db_factory *se_df;
58 SIMPLEQ_ENTRY(src_entry) se_entry;
59 };
60 SIMPLEQ_HEAD(src_head, src_entry);
61
62 static int
find_src(struct src_head * sh,struct src_entry ** rse,const char * name)63 find_src(struct src_head *sh, struct src_entry **rse, const char *name)
64 {
65 int ret;
66 struct src_entry *se;
67
68 SIMPLEQ_FOREACH(se, sh, se_entry) {
69 if (_bcs_strcasecmp(se->se_name, name) == 0) {
70 *rse = se;
71 return 0;
72 }
73 }
74 se = malloc(sizeof(*se));
75 if (se == NULL)
76 return errno;
77 se->se_name = strdup(name);
78 if (se->se_name == NULL) {
79 ret = errno;
80 free(se);
81 return ret;
82 }
83 ret = _db_factory_create(&se->se_df, &_db_hash_std, NULL);
84 if (ret) {
85 free(se->se_name);
86 free(se);
87 return ret;
88 }
89 SIMPLEQ_INSERT_TAIL(sh, se, se_entry);
90 *rse = se;
91
92 return 0;
93 }
94
95 static void
free_src(struct src_head * sh)96 free_src(struct src_head *sh)
97 {
98 struct src_entry *se;
99
100 while ((se = SIMPLEQ_FIRST(sh)) != NULL) {
101 SIMPLEQ_REMOVE_HEAD(sh, se_entry);
102 _db_factory_free(se->se_df);
103 free(se->se_name);
104 free(se);
105 }
106 }
107
108
109 #define T_COMM '#'
110 static int
convert_line(struct src_head * sh,const char * line,size_t len)111 convert_line(struct src_head *sh, const char *line, size_t len)
112 {
113 int ret;
114 struct src_entry *se;
115 const char *p;
116 char key1[LINE_MAX], key2[LINE_MAX], data[LINE_MAX];
117 char *ep;
118 uint32_t val;
119
120 se = NULL; /* XXX gcc */
121
122 /* cut off trailing comment */
123 p = memchr(line, T_COMM, len);
124 if (p)
125 len = p - line;
126
127 /* key1 */
128 line = _bcs_skip_ws_len(line, &len);
129 if (len == 0)
130 return 0;
131 p = _bcs_skip_nonws_len(line, &len);
132 if (p==line)
133 return 0;
134 snprintf(key1, sizeof(key1), "%.*s", (int)(p-line), line);
135
136 /* key2 */
137 line = _bcs_skip_ws_len(p, &len);
138 if (len == 0)
139 return 0;
140 p = _bcs_skip_nonws_len(line, &len);
141 if (p==line)
142 return 0;
143 snprintf(key2, sizeof(key2), "%.*s", (int)(p-line), line);
144
145 /* data */
146 line = _bcs_skip_ws_len(p, &len);
147 _bcs_trunc_rws_len(line, &len);
148 snprintf(data, sizeof(data), "%.*s", (int)len, line);
149 val = strtoul(data, &ep, 0);
150 if (*ep != '\0')
151 return EFTYPE;
152
153 /* insert to DB */
154 ret = find_src(sh, &se, key1);
155 if (ret)
156 return ret;
157
158 return _db_factory_add32_by_s(se->se_df, key2, val);
159 }
160
161 static int
dump_db(struct src_head * sh,struct _region * r)162 dump_db(struct src_head *sh, struct _region *r)
163 {
164 int ret;
165 struct _db_factory *df;
166 struct src_entry *se;
167 size_t size;
168 void *ptr;
169 struct _region subr;
170
171 ret = _db_factory_create(&df, &_db_hash_std, NULL);
172 if (ret)
173 return ret;
174
175 SIMPLEQ_FOREACH(se, sh, se_entry) {
176 size = _db_factory_calc_size(se->se_df);
177 ptr = malloc(size);
178 if (ptr == NULL)
179 goto quit;
180 _region_init(&subr, ptr, size);
181 ret = _db_factory_serialize(se->se_df, _CITRUS_PIVOT_SUB_MAGIC,
182 &subr);
183 if (ret)
184 goto quit;
185 ret = _db_factory_add_by_s(df, se->se_name, &subr, 1);
186 if (ret)
187 goto quit;
188 }
189
190 size = _db_factory_calc_size(df);
191 ptr = malloc(size);
192 if (ptr == NULL)
193 goto quit;
194 _region_init(r, ptr, size);
195
196 ret = _db_factory_serialize(df, _CITRUS_PIVOT_MAGIC, r);
197 ptr = NULL;
198
199 quit:
200 free(ptr);
201 _db_factory_free(df);
202 return ret;
203 }
204
205 int
_citrus_pivot_factory_convert(FILE * out,FILE * in)206 _citrus_pivot_factory_convert(FILE *out, FILE *in)
207 {
208 struct src_head sh;
209 struct _region r;
210 char *line;
211 size_t size;
212 int ret;
213
214 SIMPLEQ_INIT(&sh);
215
216 while ((line = fgetln(in, &size)) != NULL)
217 if ((ret = convert_line(&sh, line, size))) {
218 free_src(&sh);
219 return ret;
220 }
221
222 ret = dump_db(&sh, &r);
223 free_src(&sh);
224 if (ret)
225 return ret;
226
227 if (fwrite(_region_head(&r), _region_size(&r), 1, out) != 1)
228 return errno;
229
230 return 0;
231 }
232