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/* $Id$ */
/***
This file is part of polypaudio.
polypaudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
polypaudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <getopt.h>
#include <assert.h>
#include <stdio.h>
#include <ltdl.h>
#include <polypcore/modinfo.h>
#include <polypcore/util.h>
#include "dumpmodules.h"
#define PREFIX "module-"
static void short_info(const char *name, PA_GCC_UNUSED const char *path, pa_modinfo *i) {
assert(name && i);
printf("%-40s%s\n", name, i->description ? i->description : "n/a");
}
static void long_info(const char *name, const char *path, pa_modinfo *i) {
static int nl = 0;
assert(name && i);
if (nl)
printf("\n");
nl = 1;
printf("Name: %s\n", name);
if (!i->description && !i->version && !i->author && !i->usage)
printf("No module information available\n");
else {
if (i->version)
printf("Version: %s\n", i->version);
if (i->description)
printf("Description: %s\n", i->description);
if (i->author)
printf("Author: %s\n", i->author);
if (i->usage)
printf("Usage: %s\n", i->usage);
}
if (path)
printf("Path: %s\n", path);
}
static void show_info(const char *name, const char *path, void (*info)(const char *name, const char *path, pa_modinfo*i)) {
pa_modinfo *i;
if ((i = pa_modinfo_get_by_name(path ? path : name))) {
info(name, path, i);
pa_modinfo_free(i);
}
}
extern const lt_dlsymlist lt_preloaded_symbols[];
static int is_preloaded(const char *name) {
const lt_dlsymlist *l;
for (l = lt_preloaded_symbols; l->name; l++) {
char buf[64], *e;
if (l->address)
continue;
snprintf(buf, sizeof(buf), "%s", l->name);
if ((e = strrchr(buf, '.')))
*e = 0;
if (!strcmp(name, buf))
return 1;
}
return 0;
}
static int callback(const char *path, lt_ptr data) {
const char *e;
pa_daemon_conf *c = (data);
e = pa_path_get_filename(path);
if (strlen(e) <= sizeof(PREFIX)-1 || strncmp(e, PREFIX, sizeof(PREFIX)-1))
return 0;
if (is_preloaded(e))
return 0;
show_info(e, path, c->log_level >= PA_LOG_INFO ? long_info : short_info);
return 0;
}
void pa_dump_modules(pa_daemon_conf *c, int argc, char * const argv[]) {
if (argc > 0) {
int i;
for (i = 0; i < argc; i++)
show_info(argv[i], NULL, long_info);
} else {
const lt_dlsymlist *l;
for (l = lt_preloaded_symbols; l->name; l++) {
char buf[64], *e;
if (l->address)
continue;
if (strlen(l->name) <= sizeof(PREFIX)-1 || strncmp(l->name, PREFIX, sizeof(PREFIX)-1))
continue;
snprintf(buf, sizeof(buf), "%s", l->name);
if ((e = strrchr(buf, '.')))
*e = 0;
show_info(buf, NULL, c->log_level >= PA_LOG_INFO ? long_info : short_info);
}
lt_dlforeachfile(NULL, callback, c);
}
}
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