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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 <assert.h>
#include <stdlib.h>
#include <string.h>
#include "autoload.h"
#include "module.h"
#include "xmalloc.h"
#include "memchunk.h"
#include "sound-file.h"
#include "log.h"
#include "scache.h"
#include "subscribe.h"
static void entry_free(struct pa_autoload_entry *e) {
assert(e);
pa_subscription_post(e->core, PA_SUBSCRIPTION_EVENT_AUTOLOAD|PA_SUBSCRIPTION_EVENT_REMOVE, PA_INVALID_INDEX);
pa_xfree(e->name);
pa_xfree(e->module);
pa_xfree(e->argument);
pa_xfree(e);
}
static void entry_remove_and_free(struct pa_autoload_entry *e) {
assert(e && e->core);
pa_idxset_remove_by_data(e->core->autoload_idxset, e, NULL);
pa_hashmap_remove(e->core->autoload_hashmap, e->name);
entry_free(e);
}
static struct pa_autoload_entry* entry_new(struct pa_core *c, const char *name) {
struct pa_autoload_entry *e = NULL;
assert(c && name);
if (c->autoload_hashmap && (e = pa_hashmap_get(c->autoload_hashmap, name)))
return NULL;
e = pa_xmalloc(sizeof(struct pa_autoload_entry));
e->core = c;
e->name = pa_xstrdup(name);
e->module = e->argument = NULL;
e->in_action = 0;
if (!c->autoload_hashmap)
c->autoload_hashmap = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
assert(c->autoload_hashmap);
pa_hashmap_put(c->autoload_hashmap, e->name, e);
if (!c->autoload_idxset)
c->autoload_idxset = pa_idxset_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
pa_idxset_put(c->autoload_idxset, e, &e->index);
pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_AUTOLOAD|PA_SUBSCRIPTION_EVENT_NEW, e->index);
return e;
}
int pa_autoload_add(struct pa_core *c, const char*name, enum pa_namereg_type type, const char*module, const char *argument, uint32_t *index) {
struct pa_autoload_entry *e = NULL;
assert(c && name && module && (type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE));
if (!(e = entry_new(c, name)))
return -1;
e->module = pa_xstrdup(module);
e->argument = pa_xstrdup(argument);
e->type = type;
if (index)
*index = e->index;
return 0;
}
int pa_autoload_remove_by_name(struct pa_core *c, const char*name, enum pa_namereg_type type) {
struct pa_autoload_entry *e;
assert(c && name && type);
if (!c->autoload_hashmap || !(e = pa_hashmap_get(c->autoload_hashmap, name)) || e->type != type)
return -1;
entry_remove_and_free(e);
return 0;
}
int pa_autoload_remove_by_index(struct pa_core *c, uint32_t index) {
struct pa_autoload_entry *e;
assert(c && index != PA_IDXSET_INVALID);
if (!c->autoload_idxset || !(e = pa_idxset_get_by_index(c->autoload_idxset, index)))
return -1;
entry_remove_and_free(e);
return 0;
}
void pa_autoload_request(struct pa_core *c, const char *name, enum pa_namereg_type type) {
struct pa_autoload_entry *e;
struct pa_module *m;
assert(c && name);
if (!c->autoload_hashmap || !(e = pa_hashmap_get(c->autoload_hashmap, name)) || (e->type != type))
return;
if (e->in_action)
return;
e->in_action = 1;
if (type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE) {
if ((m = pa_module_load(c, e->module, e->argument)))
m->auto_unload = 1;
}
e->in_action = 0;
}
static void free_func(void *p, void *userdata) {
struct pa_autoload_entry *e = p;
pa_idxset_remove_by_data(e->core->autoload_idxset, e, NULL);
entry_free(e);
}
void pa_autoload_free(struct pa_core *c) {
if (c->autoload_hashmap) {
pa_hashmap_free(c->autoload_hashmap, free_func, NULL);
c->autoload_hashmap = NULL;
}
if (c->autoload_idxset) {
pa_idxset_free(c->autoload_idxset, NULL, NULL);
c->autoload_idxset = NULL;
}
}
const struct pa_autoload_entry* pa_autoload_get_by_name(struct pa_core *c, const char*name, enum pa_namereg_type type) {
struct pa_autoload_entry *e;
assert(c && name);
if (!c->autoload_hashmap || !(e = pa_hashmap_get(c->autoload_hashmap, name)) || e->type != type)
return NULL;
return e;
}
const struct pa_autoload_entry* pa_autoload_get_by_index(struct pa_core *c, uint32_t index) {
struct pa_autoload_entry *e;
assert(c && index != PA_IDXSET_INVALID);
if (!c->autoload_idxset || !(e = pa_idxset_get_by_index(c->autoload_idxset, index)))
return NULL;
return e;
}
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