lxdream 0.9.1| filename | src/config.c |
| changeset | 460:a0c865b74c63 |
| prev | 458:cbb2dd12daeb |
| next | 464:8e099fad42a6 |
| author | nkeynes |
| date | Tue Oct 23 10:48:24 2007 +0000 (16 years ago) |
| permissions | -rw-r--r-- |
| last change | Reload BIOS/flash when changed in configuration. Fix mem_load_rom to deal with repeat loads and dodgy files |
| view | annotate | diff | log | raw |
1 /**
2 * $Id: config.c,v 1.3 2007-10-23 10:47:17 nkeynes Exp $
3 *
4 * User configuration support
5 *
6 * Copyright (c) 2005 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
19 #include <unistd.h>
20 #include <stdio.h>
21 #include <errno.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <glib/gstrfuncs.h>
25 #include "dream.h"
26 #include "config.h"
27 #include "maple/maple.h"
29 gboolean lxdream_load_config_file( const gchar *filename );
30 gboolean lxdream_save_config_file( const gchar *filename );
31 gboolean lxdream_load_config_stream( FILE *f );
32 gboolean lxdream_save_config_stream( FILE *f );
34 static struct lxdream_config_entry global_config[] =
35 {{ "bios", CONFIG_TYPE_FILE, "dcboot.rom" },
36 { "flash", CONFIG_TYPE_FILE, "dcflash.rom" },
37 { "default path", CONFIG_TYPE_PATH, "." },
38 { "save path", CONFIG_TYPE_PATH, "save" },
39 { "bootstrap", CONFIG_TYPE_FILE, "IP.BIN" },
40 { NULL, CONFIG_TYPE_NONE }};
42 static struct lxdream_config_entry serial_config[] =
43 {{ "device", CONFIG_TYPE_FILE, "/dev/ttyS1" },
44 { NULL, CONFIG_TYPE_NONE }};
46 struct lxdream_config_group lxdream_config_root[] =
47 {{ "global", global_config },
48 { "controllers", NULL },
49 { "serial", serial_config },
50 { NULL, CONFIG_TYPE_NONE }};
52 static gchar *lxdream_config_load_filename = NULL;
53 static gchar *lxdream_config_save_filename = NULL;
55 gboolean lxdream_find_config()
56 {
57 char *home = getenv("HOME");
58 if( lxdream_config_save_filename == NULL ) {
59 lxdream_config_save_filename = g_strdup_printf("%s/.%s", home, DEFAULT_CONFIG_FILENAME);
60 }
61 if( lxdream_config_load_filename == NULL ) {
62 if( access(lxdream_config_save_filename, R_OK) == 0 ) {
63 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
64 } else if( access( PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) {
65 lxdream_config_load_filename = g_strdup(PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME);
66 } else if( access( "./" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) {
67 lxdream_config_load_filename = g_strdup("./" DEFAULT_CONFIG_FILENAME);
68 } else {
69 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
70 }
71 }
72 }
74 void lxdream_set_config_filename( const gchar *filename )
75 {
76 if( lxdream_config_load_filename != NULL ) {
77 g_free(lxdream_config_load_filename);
78 }
79 lxdream_config_load_filename = g_strdup(filename);
80 if( lxdream_config_save_filename != NULL ) {
81 g_free(lxdream_config_save_filename);
82 }
83 lxdream_config_save_filename = g_strdup(filename);
84 }
86 void lxdream_set_default_config( )
87 {
88 struct lxdream_config_group *group = lxdream_config_root;
89 while( group->key != NULL ) {
90 struct lxdream_config_entry *param = group->params;
91 if( param != NULL ) {
92 while( param->key != NULL ) {
93 if( param->value != param->default_value ) {
94 if( param->value != NULL )
95 free( param->value );
96 param->value = (gchar *)param->default_value;
97 }
98 param++;
99 }
100 }
101 group++;
102 }
103 maple_detach_all();
104 }
106 const gchar *lxdream_get_config_value( int key )
107 {
108 return global_config[key].value;
109 }
111 void lxdream_set_config_value( lxdream_config_entry_t param, const gchar *value )
112 {
113 if( param->value != param->default_value && param->value != NULL ) {
114 free( param->value );
115 }
116 param->value = g_strdup(value);
117 }
119 void lxdream_set_global_config_value( int key, const gchar *value )
120 {
121 lxdream_set_config_value(&global_config[key], value);
122 }
124 gboolean lxdream_set_group_value( lxdream_config_group_t group, const gchar *key, const gchar *value )
125 {
126 int i;
127 for( i=0; group->params[i].key != NULL; i++ ) {
128 if( strcasecmp( group->params[i].key, key ) == 0 ) {
129 lxdream_set_config_value( &group->params[i], value );
130 return TRUE;
131 }
132 }
133 return FALSE;
134 }
136 void lxdream_copy_config_list( lxdream_config_entry_t dest, lxdream_config_entry_t src )
137 {
138 int i;
139 for( i=0; src[i].key != NULL; i++ ) {
140 lxdream_set_config_value( &dest[i], src[i].value );
141 }
142 }
144 gboolean lxdream_load_config( )
145 {
146 if( lxdream_config_load_filename == NULL ) {
147 lxdream_find_config();
148 }
149 return lxdream_load_config_file(lxdream_config_load_filename);
150 }
152 gboolean lxdream_save_config( )
153 {
154 if( lxdream_config_save_filename == NULL ) {
155 lxdream_find_config();
156 }
157 return lxdream_save_config_file(lxdream_config_save_filename);
158 }
160 gboolean lxdream_load_config_file( const gchar *filename )
161 {
162 FILE *f;
163 gboolean result;
165 if( access(filename, F_OK) != 0 ) {
166 INFO( "Configuration file '%s' does not exist, creating from defaults" );
167 lxdream_set_default_config();
168 lxdream_save_config();
169 }
171 f = fopen(filename, "ro");
172 if( f == NULL ) {
173 ERROR( "Unable to open configuration file '%s': %s", filename, strerror(errno) );
174 lxdream_set_default_config();
175 return FALSE;
176 }
178 result = lxdream_load_config_stream( f );
179 fclose(f);
180 return result;
181 }
183 gboolean lxdream_load_config_stream( FILE *f )
184 {
186 char buf[512];
187 int maple_device = -1, maple_subdevice = -1;
188 struct lxdream_config_group devgroup;
189 struct lxdream_config_group *group = NULL;
190 maple_device_t device = NULL;
191 lxdream_set_default_config();
193 while( fgets( buf, sizeof(buf), f ) != NULL ) {
194 g_strstrip(buf);
195 if( buf[0] == '#' )
196 continue;
197 if( *buf == '[' ) {
198 char *p = strchr(buf, ']');
199 if( p != NULL ) {
200 struct lxdream_config_group *tmp_group;
201 maple_device = maple_subdevice = -1;
202 *p = '\0';
203 g_strstrip(buf+1);
204 tmp_group = &lxdream_config_root[0];
205 while( tmp_group->key != NULL ) {
206 if( strcasecmp(tmp_group->key, buf+1) == 0 ) {
207 group = tmp_group;
208 break;
209 }
210 tmp_group++;
211 }
212 }
213 } else if( group != NULL ) {
214 char *value = strchr( buf, '=' );
215 if( value != NULL ) {
216 struct lxdream_config_entry *param = group->params;
217 *value = '\0';
218 value++;
219 g_strstrip(buf);
220 g_strstrip(value);
221 if( strcmp(group->key,"controllers") == 0 ) {
222 if( g_strncasecmp( buf, "device ", 7 ) == 0 ) {
223 maple_device = strtoul( buf+7, NULL, 0 );
224 if( maple_device < 0 || maple_device > 3 ) {
225 ERROR( "Device number must be between 0..3 (not '%s')", buf+7);
226 continue;
227 }
228 maple_subdevice = 0;
229 device = maple_new_device( value );
230 if( device == NULL ) {
231 ERROR( "Unrecognized device '%s'", value );
232 } else {
233 devgroup.key = "controllers";
234 devgroup.params = maple_get_device_config(device);
235 maple_attach_device( device, maple_device, maple_subdevice );
236 group = &devgroup;
237 }
238 continue;
239 } else if( g_strncasecmp( buf, "subdevice ", 10 ) == 0 ) {
240 maple_subdevice = strtoul( buf+10, NULL, 0 );
241 if( maple_device == -1 ) {
242 ERROR( "Subdevice not allowed without primary device" );
243 } else if( maple_subdevice < 1 || maple_subdevice > 5 ) {
244 ERROR( "Subdevice must be between 1..5 (not '%s')", buf+10 );
245 } else if( (device = maple_new_device(value)) == NULL ) {
246 ERROR( "Unrecognized subdevice '%s'", value );
247 } else {
248 devgroup.key = "controllers";
249 devgroup.params = maple_get_device_config(device);
250 maple_attach_device( device, maple_device, maple_subdevice );
251 group = &devgroup;
252 }
253 continue;
254 }
255 }
256 while( param->key != NULL ) {
257 if( strcasecmp( param->key, buf ) == 0 ) {
258 param->value = g_strdup(value);
259 break;
260 }
261 param++;
262 }
263 }
264 }
265 }
266 return TRUE;
267 }
269 gboolean lxdream_save_config_file( const gchar *filename )
270 {
271 FILE *f = fopen(filename, "wo");
272 gboolean result;
273 if( f == NULL ) {
274 ERROR( "Unable to open '%s': %s", filename, strerror(errno) );
275 return FALSE;
276 }
277 result = lxdream_save_config_stream(f);
278 fclose(f);
279 return TRUE;
280 }
282 gboolean lxdream_save_config_stream( FILE *f )
283 {
284 struct lxdream_config_group *group = &lxdream_config_root[0];
286 while( group->key != NULL ) {
287 struct lxdream_config_entry *entry = group->params;
288 fprintf( f, "[%s]\n", group->key );
290 if( entry != NULL ) {
291 while( entry->key != NULL ) {
292 fprintf( f, "%s = %s\n", entry->key, entry->value );
293 entry++;
294 }
295 } else if( strcmp(group->key, "controllers") == 0 ) {
296 int i,j;
297 for( i=0; i<4; i++ ) {
298 for( j=0; j<6; j++ ) {
299 maple_device_t dev = maple_get_device( i, j );
300 if( dev != NULL ) {
301 if( j == 0 )
302 fprintf( f, "Device %d = %s\n", i, dev->device_class->name );
303 else
304 fprintf( f, "Subdevice %d = %s\n", j, dev->device_class->name );
305 entry = dev->get_config(dev);
306 while( entry->key != NULL ) {
307 fprintf( f, "%*c%s = %s\n", j==0?4:8, ' ',entry->key, entry->value );
308 entry++;
309 }
310 }
311 }
312 }
313 }
314 fprintf( f, "\n" );
315 group++;
316 }
317 return TRUE;
318 }
.