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/**
|
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* ZANavi, Zoff Android Navigation system.
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* Copyright (C) 2011-2012 Zoff <zoff@zoff.cc>
|
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*
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* This program is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU General Public License
|
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* version 2 as published by the Free Software Foundation.
|
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*
|
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* This program is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
|
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the
|
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* Navit, a modular navigation system.
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* Copyright (C) 2005-2008 Navit Team
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*
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* This program is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU General Public License
|
26 |
* version 2 as published by the Free Software Foundation.
|
27 |
*
|
28 |
* This program is distributed in the hope that it will be useful,
|
29 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
30 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
31 |
* GNU General Public License for more details.
|
32 |
*
|
33 |
* You should have received a copy of the GNU General Public License
|
34 |
* along with this program; if not, write to the
|
35 |
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
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* Boston, MA 02110-1301, USA.
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37 |
*/
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38 |
|
39 |
#include <string.h>
|
40 |
#include <glib.h>
|
41 |
#include "config.h"
|
42 |
#ifdef USE_PLUGINS
|
43 |
#ifdef HAVE_GMODULE
|
44 |
#include <gmodule.h>
|
45 |
#else
|
46 |
#ifdef HAVE_API_WIN32_BASE
|
47 |
#include <windows.h>
|
48 |
#else
|
49 |
#include <dlfcn.h>
|
50 |
#endif
|
51 |
#endif
|
52 |
#endif
|
53 |
#include "plugin.h"
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54 |
#include "file.h"
|
55 |
#define PLUGIN_C
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56 |
#include "plugin.h"
|
57 |
#include "item.h"
|
58 |
#include "debug.h"
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59 |
|
60 |
#ifdef USE_PLUGINS
|
61 |
#ifndef HAVE_GMODULE
|
62 |
typedef void * GModule;
|
63 |
#define G_MODULE_BIND_LOCAL 1
|
64 |
#define G_MODULE_BIND_LAZY 2
|
65 |
static int
|
66 |
g_module_supported(void)
|
67 |
{
|
68 |
return 1;
|
69 |
}
|
70 |
|
71 |
#ifdef HAVE_API_WIN32_BASE
|
72 |
|
73 |
static DWORD last_error;
|
74 |
static char errormsg[64];
|
75 |
|
76 |
static void *
|
77 |
g_module_open(char *name, int flags)
|
78 |
{
|
79 |
HINSTANCE handle;
|
80 |
int len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, 0, 0);
|
81 |
wchar_t filename[len];
|
82 |
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, filename, len);
|
83 |
|
84 |
handle = LoadLibraryW (filename);
|
85 |
if (!handle)
|
86 |
last_error=GetLastError();
|
87 |
return handle;
|
88 |
}
|
89 |
|
90 |
static char *
|
91 |
g_module_error(void)
|
92 |
{
|
93 |
sprintf(errormsg,"dll error %d",(int)last_error);
|
94 |
return errormsg;
|
95 |
}
|
96 |
|
97 |
static int
|
98 |
g_module_symbol(GModule *handle, char *symbol, gpointer *addr)
|
99 |
{
|
100 |
#ifdef HAVE_API_WIN32_CE
|
101 |
int len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, symbol, -1, 0, 0);
|
102 |
wchar_t wsymbol[len+1];
|
103 |
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, symbol, -1, wsymbol, len);
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*addr=GetProcAddress ((HANDLE)handle, wsymbol);
|
105 |
#else
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106 |
*addr=GetProcAddress ((HANDLE)handle, symbol);
|
107 |
#endif
|
108 |
if (*addr)
|
109 |
return 1;
|
110 |
last_error=GetLastError();
|
111 |
return 0;
|
112 |
}
|
113 |
|
114 |
static void
|
115 |
g_module_close(GModule *handle)
|
116 |
{
|
117 |
FreeLibrary((HANDLE)handle);
|
118 |
}
|
119 |
|
120 |
#else
|
121 |
static void *
|
122 |
g_module_open(char *name, int flags)
|
123 |
{
|
124 |
return dlopen(name,
|
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(flags & G_MODULE_BIND_LAZY ? RTLD_LAZY : RTLD_NOW) |
|
126 |
(flags & G_MODULE_BIND_LOCAL ? RTLD_LOCAL : RTLD_GLOBAL));
|
127 |
}
|
128 |
|
129 |
static char *
|
130 |
g_module_error(void)
|
131 |
{
|
132 |
return dlerror();
|
133 |
}
|
134 |
|
135 |
static int
|
136 |
g_module_symbol(GModule *handle, char *symbol, gpointer *addr)
|
137 |
{
|
138 |
*addr=dlsym(handle, symbol);
|
139 |
return (*addr != NULL);
|
140 |
}
|
141 |
|
142 |
static void
|
143 |
g_module_close(GModule *handle)
|
144 |
{
|
145 |
dlclose(handle);
|
146 |
}
|
147 |
#endif
|
148 |
#endif
|
149 |
#endif
|
150 |
|
151 |
struct plugin
|
152 |
{
|
153 |
int active;
|
154 |
int lazy;
|
155 |
int ondemand;
|
156 |
char *name;
|
157 |
#ifdef USE_PLUGINS
|
158 |
GModule *mod;
|
159 |
#endif
|
160 |
void (*init)(void);
|
161 |
};
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162 |
|
163 |
struct plugins
|
164 |
{
|
165 |
GHashTable *hash;
|
166 |
GList *list;
|
167 |
}*pls;
|
168 |
|
169 |
static struct plugin *
|
170 |
plugin_new_from_path(char *plugin)
|
171 |
{
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172 |
#ifdef USE_PLUGINS
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173 |
struct plugin *ret;
|
174 |
if (! g_module_supported())
|
175 |
{
|
176 |
return NULL;
|
177 |
}
|
178 |
ret=g_new0(struct plugin, 1);
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179 |
ret->name=g_strdup(plugin);
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180 |
return ret;
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181 |
#else
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return NULL;
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183 |
#endif
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184 |
}
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185 |
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186 |
int plugin_load(struct plugin *pl)
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187 |
{
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188 |
#ifdef USE_PLUGINS
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gpointer init;
|
190 |
|
191 |
GModule *mod;
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192 |
|
193 |
if (pl->mod)
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194 |
{
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195 |
dbg(0,"can't load '%s', already loaded\n", pl->name);
|
196 |
return 0;
|
197 |
}
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198 |
mod=g_module_open(pl->name, G_MODULE_BIND_LOCAL | (pl->lazy ? G_MODULE_BIND_LAZY : 0));
|
199 |
if (! mod)
|
200 |
{
|
201 |
dbg(0,"can't load '%s', Error '%s'\n", pl->name, g_module_error());
|
202 |
return 0;
|
203 |
}
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204 |
if (!g_module_symbol(mod, "plugin_init", &init))
|
205 |
{
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206 |
dbg(0,"can't load '%s', plugin_init not found\n", pl->name);
|
207 |
g_module_close(mod);
|
208 |
return 0;
|
209 |
}
|
210 |
else
|
211 |
{
|
212 |
pl->mod=mod;
|
213 |
pl->init=init;
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214 |
}
|
215 |
return 1;
|
216 |
#else
|
217 |
return 0;
|
218 |
#endif
|
219 |
}
|
220 |
|
221 |
char *
|
222 |
plugin_get_name(struct plugin *pl)
|
223 |
{
|
224 |
return pl->name;
|
225 |
}
|
226 |
|
227 |
int plugin_get_active(struct plugin *pl)
|
228 |
{
|
229 |
return pl->active;
|
230 |
}
|
231 |
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232 |
void plugin_set_active(struct plugin *pl, int active)
|
233 |
{
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234 |
pl->active = active;
|
235 |
}
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236 |
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237 |
void plugin_set_lazy(struct plugin *pl, int lazy)
|
238 |
{
|
239 |
pl->lazy = lazy;
|
240 |
}
|
241 |
|
242 |
#ifdef USE_PLUGINS
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243 |
static int
|
244 |
plugin_get_ondemand(struct plugin *pl)
|
245 |
{
|
246 |
return pl->ondemand;
|
247 |
}
|
248 |
#endif
|
249 |
|
250 |
static void plugin_set_ondemand(struct plugin *pl, int ondemand)
|
251 |
{
|
252 |
pl->ondemand = ondemand;
|
253 |
}
|
254 |
|
255 |
void plugin_call_init(struct plugin *pl)
|
256 |
{
|
257 |
pl->init();
|
258 |
}
|
259 |
|
260 |
void plugin_unload(struct plugin *pl)
|
261 |
{
|
262 |
#ifdef USE_PLUGINS
|
263 |
g_module_close(pl->mod);
|
264 |
pl->mod=NULL;
|
265 |
#endif
|
266 |
}
|
267 |
|
268 |
void plugin_destroy(struct plugin *pl)
|
269 |
{
|
270 |
g_free(pl);
|
271 |
}
|
272 |
|
273 |
struct plugins *
|
274 |
plugins_new(void)
|
275 |
{
|
276 |
//dbg(0, "enter\n");
|
277 |
struct plugins *ret=g_new0(struct plugins, 1);
|
278 |
ret->hash = g_hash_table_new(g_str_hash, g_str_equal);
|
279 |
pls = ret;
|
280 |
//dbg(0, "leave\n");
|
281 |
return ret;
|
282 |
}
|
283 |
|
284 |
char *replace_func(char *st, char *orig, char *repl)
|
285 |
{
|
286 |
static char buffer[4096];
|
287 |
char *ch;
|
288 |
if (!(ch = strstr(st, orig)))
|
289 |
return st;
|
290 |
strncpy(buffer, st, ch - st);
|
291 |
buffer[ch - st] = 0;
|
292 |
sprintf(buffer + (ch - st), "%s%s", repl, ch + strlen(orig));
|
293 |
return buffer;
|
294 |
}
|
295 |
|
296 |
struct plugin *
|
297 |
plugin_new(struct attr *parent, struct attr **attrs)
|
298 |
{
|
299 |
#ifdef USE_PLUGINS
|
300 |
|
301 |
//dbg(0,"enter\n");
|
302 |
|
303 |
struct attr *path_attr, *attr;
|
304 |
struct file_wordexp *we;
|
305 |
int active=1; // default active
|
306 |
int lazy=0, ondemand=0;
|
307 |
int i, count;
|
308 |
char **array;
|
309 |
char *name;
|
310 |
struct plugin *pl=NULL;
|
311 |
struct plugins *pls=NULL;
|
312 |
|
313 |
if (parent)
|
314 |
{
|
315 |
pls=parent->u.plugins;
|
316 |
}
|
317 |
|
318 |
if (! (path_attr=attr_search(attrs, NULL, attr_path)))
|
319 |
{
|
320 |
dbg(0,"missing path\n");
|
321 |
return NULL;
|
322 |
}
|
323 |
|
324 |
if ( (attr=attr_search(attrs, NULL, attr_active)))
|
325 |
{
|
326 |
active=attr->u.num;
|
327 |
}
|
328 |
|
329 |
if ( (attr=attr_search(attrs, NULL, attr_lazy)))
|
330 |
{
|
331 |
lazy=attr->u.num;
|
332 |
}
|
333 |
|
334 |
if ( (attr=attr_search(attrs, NULL, attr_ondemand)))
|
335 |
{
|
336 |
ondemand=attr->u.num;
|
337 |
}
|
338 |
//dbg(0, "path=\"%s\", active=%d, lazy=%d, ondemand=%d\n",path_attr->u.str, active, lazy, ondemand);
|
339 |
|
340 |
name = replace_func(path_attr->u.str, "$NAVIT_PREFIX", "/data/data/com.zoffcc.applications.zanavi");
|
341 |
|
342 |
//dbg(0,"pp 001 name=%s\n", name);
|
343 |
//dbg(0,"pp 002\n");
|
344 |
//dbg(0,"pp 003\n");
|
345 |
//dbg(0,"pp 004\n");
|
346 |
//dbg(0,"expanded to %d words\n",count);
|
347 |
|
348 |
#if 0
|
349 |
if (count != 1 || file_exists(array[0]))
|
350 |
{
|
351 |
dbg(0,"pl 001\n");
|
352 |
for (i = 0; i < count; i++)
|
353 |
{
|
354 |
dbg(0,"pl 002\n");
|
355 |
name=array[i];
|
356 |
dbg(0,"name[%d]='%s'\n", i, name);
|
357 |
if (! (pls && (pl=g_hash_table_lookup(pls->hash, name))))
|
358 |
{
|
359 |
dbg(0,"pl 003\n");
|
360 |
pl=plugin_new_from_path(name);
|
361 |
dbg(0,"pl 004\n");
|
362 |
if (! pl)
|
363 |
{
|
364 |
dbg(0,"failed to create plugin '%s'\n", name);
|
365 |
continue;
|
366 |
}
|
367 |
if (pls)
|
368 |
{
|
369 |
dbg(0,"pl 005\n");
|
370 |
g_hash_table_insert(pls->hash, plugin_get_name(pl), pl);
|
371 |
pls->list=g_list_append(pls->list, pl);
|
372 |
dbg(0,"pl 006\n");
|
373 |
}
|
374 |
}
|
375 |
else
|
376 |
{
|
377 |
if (pls)
|
378 |
{
|
379 |
dbg(0,"pl 007\n");
|
380 |
pls->list=g_list_remove(pls->list, pl);
|
381 |
pls->list=g_list_append(pls->list, pl);
|
382 |
dbg(0,"pl 008\n");
|
383 |
}
|
384 |
}
|
385 |
|
386 |
dbg(0,"pl 009\n");
|
387 |
plugin_set_active(pl, active);
|
388 |
plugin_set_lazy(pl, lazy);
|
389 |
plugin_set_ondemand(pl, ondemand);
|
390 |
dbg(0,"pl 010\n");
|
391 |
|
392 |
if (!pls && active)
|
393 |
{
|
394 |
dbg(0,"pl 011\n");
|
395 |
if (!plugin_load(pl))
|
396 |
{
|
397 |
plugin_set_active(pl, 0);
|
398 |
}
|
399 |
else
|
400 |
{
|
401 |
plugin_call_init(pl);
|
402 |
}
|
403 |
dbg(0,"pl 012\n");
|
404 |
}
|
405 |
}
|
406 |
}
|
407 |
dbg(0,"pl 013\n");
|
408 |
file_wordexp_destroy(we);
|
409 |
dbg(0,"leave\n");
|
410 |
#endif
|
411 |
|
412 |
//dbg(0,"pl 002\n");
|
413 |
//dbg(0,"name='%s'\n", name);
|
414 |
if (! (pls && (pl=g_hash_table_lookup(pls->hash, name))))
|
415 |
{
|
416 |
//dbg(0,"pl 003\n");
|
417 |
pl=plugin_new_from_path(name);
|
418 |
//dbg(0,"pl 004\n");
|
419 |
if (! pl)
|
420 |
{
|
421 |
dbg(0,"failed to create plugin '%s'\n", name);
|
422 |
// continue;
|
423 |
}
|
424 |
if (pls)
|
425 |
{
|
426 |
//dbg(0,"pl 005\n");
|
427 |
g_hash_table_insert(pls->hash, plugin_get_name(pl), pl);
|
428 |
pls->list=g_list_append(pls->list, pl);
|
429 |
//dbg(0,"pl 006\n");
|
430 |
}
|
431 |
}
|
432 |
else
|
433 |
{
|
434 |
if (pls)
|
435 |
{
|
436 |
//dbg(0,"pl 007\n");
|
437 |
pls->list=g_list_remove(pls->list, pl);
|
438 |
pls->list=g_list_append(pls->list, pl);
|
439 |
//dbg(0,"pl 008\n");
|
440 |
}
|
441 |
}
|
442 |
|
443 |
//dbg(0,"pl 009\n");
|
444 |
plugin_set_active(pl, active);
|
445 |
plugin_set_lazy(pl, lazy);
|
446 |
plugin_set_ondemand(pl, ondemand);
|
447 |
//dbg(0,"pl 010\n");
|
448 |
|
449 |
if (!pls && active)
|
450 |
{
|
451 |
//dbg(0,"pl 011\n");
|
452 |
if (!plugin_load(pl))
|
453 |
{
|
454 |
plugin_set_active(pl, 0);
|
455 |
}
|
456 |
else
|
457 |
{
|
458 |
plugin_call_init(pl);
|
459 |
}
|
460 |
//dbg(0,"pl 012\n");
|
461 |
}
|
462 |
|
463 |
return pl;
|
464 |
#else
|
465 |
return 0;
|
466 |
#endif
|
467 |
}
|
468 |
|
469 |
void plugins_init(struct plugins *pls)
|
470 |
{
|
471 |
#ifdef USE_PLUGINS
|
472 |
|
473 |
//dbg(0,"enter\n");
|
474 |
|
475 |
struct plugin *pl;
|
476 |
GList *l;
|
477 |
|
478 |
l=pls->list;
|
479 |
while (l)
|
480 |
{
|
481 |
pl=l->data;
|
482 |
if (! plugin_get_ondemand(pl))
|
483 |
{
|
484 |
if (plugin_get_active(pl))
|
485 |
{
|
486 |
//dbg(0,"plugin_load start\n");
|
487 |
if (!plugin_load(pl))
|
488 |
{
|
489 |
//dbg(0,"plugin_set_active start\n");
|
490 |
plugin_set_active(pl, 0);
|
491 |
//dbg(0,"plugin_set_end start\n");
|
492 |
}
|
493 |
//dbg(0,"plugin_load end\n");
|
494 |
}
|
495 |
|
496 |
if (plugin_get_active(pl))
|
497 |
{
|
498 |
//dbg(0,"plugin_call_init start\n");
|
499 |
plugin_call_init(pl);
|
500 |
//dbg(0,"plugin_call_init end\n");
|
501 |
}
|
502 |
}
|
503 |
l=g_list_next(l);
|
504 |
}
|
505 |
|
506 |
//dbg(0,"leave\n");
|
507 |
#endif
|
508 |
}
|
509 |
|
510 |
void plugins_destroy(struct plugins *pls)
|
511 |
{
|
512 |
GList *l;
|
513 |
struct plugin *pl;
|
514 |
|
515 |
l = pls->list;
|
516 |
while (l)
|
517 |
{
|
518 |
pl = l->data;
|
519 |
plugin_unload(pl);
|
520 |
plugin_destroy(pl);
|
521 |
}
|
522 |
g_list_free(pls->list);
|
523 |
g_hash_table_destroy(pls->hash);
|
524 |
g_free(pls);
|
525 |
}
|
526 |
|
527 |
void *
|
528 |
plugin_get_type(enum plugin_type type, const char *type_name, const char *name)
|
529 |
{
|
530 |
GList *l, *lpls;
|
531 |
struct name_val *nv;
|
532 |
struct plugin *pl;
|
533 |
char *mod_name, *filename = NULL, *corename = NULL;
|
534 |
|
535 |
//dbg(1, "type=\"%s\", name=\"%s\"\n", type_name, name);
|
536 |
|
537 |
l = plugin_types[type];
|
538 |
while (l)
|
539 |
{
|
540 |
nv = l->data;
|
541 |
if (!g_ascii_strcasecmp(nv->name, name))
|
542 |
return nv->val;
|
543 |
l = g_list_next(l);
|
544 |
}
|
545 |
if (!pls)
|
546 |
return NULL;
|
547 |
lpls = pls->list;
|
548 |
filename = g_strjoin("", "lib", type_name, "_", name, NULL);
|
549 |
corename = g_strjoin("", "lib", type_name, "_", "core", NULL);
|
550 |
while (lpls)
|
551 |
{
|
552 |
pl = lpls->data;
|
553 |
if ((mod_name = g_strrstr(pl->name, "/")))
|
554 |
mod_name++;
|
555 |
else
|
556 |
mod_name = pl->name;
|
557 |
//dbg(2, "compare '%s' with '%s'\n", mod_name, filename);
|
558 |
if (!g_ascii_strncasecmp(mod_name, filename, strlen(filename)) || !g_ascii_strncasecmp(mod_name, corename, strlen(corename)))
|
559 |
{
|
560 |
//dbg(1, "Loading module \"%s\"\n", pl->name);
|
561 |
if (plugin_get_active(pl))
|
562 |
if (!plugin_load(pl))
|
563 |
plugin_set_active(pl, 0);
|
564 |
if (plugin_get_active(pl))
|
565 |
plugin_call_init(pl);
|
566 |
l = plugin_types[type];
|
567 |
while (l)
|
568 |
{
|
569 |
nv = l->data;
|
570 |
if (!g_ascii_strcasecmp(nv->name, name))
|
571 |
{
|
572 |
g_free(filename);
|
573 |
g_free(corename);
|
574 |
return nv->val;
|
575 |
}
|
576 |
l = g_list_next(l);
|
577 |
}
|
578 |
}
|
579 |
lpls = g_list_next(lpls);
|
580 |
}
|
581 |
g_free(filename);
|
582 |
g_free(corename);
|
583 |
return NULL;
|
584 |
}
|