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/* $Id$ */
/***
This file is part of PulseAudio.
PulseAudio 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.
PulseAudio 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 PulseAudio; 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 <stdlib.h>
#include <string.h>
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <pulse/xmalloc.h>
#include <pulsecore/autoload.h>
#include <pulsecore/source.h>
#include <pulsecore/sink.h>
#include <pulsecore/core-subscribe.h>
#include <pulsecore/core-util.h>
#include "namereg.h"
struct namereg_entry {
pa_namereg_type_t type;
char *name;
void *data;
};
void pa_namereg_free(pa_core *c) {
assert(c);
if (!c->namereg)
return;
assert(pa_hashmap_size(c->namereg) == 0);
pa_hashmap_free(c->namereg, NULL, NULL);
}
const char *pa_namereg_register(pa_core *c, const char *name, pa_namereg_type_t type, void *data, int fail) {
struct namereg_entry *e;
char *n = NULL;
int r;
assert(c && name && data);
if (!c->namereg) {
c->namereg = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
assert(c->namereg);
}
if ((e = pa_hashmap_get(c->namereg, name)) && fail)
return NULL;
if (!e)
n = pa_xstrdup(name);
else {
unsigned i;
size_t l = strlen(name);
n = pa_xmalloc(l+3);
for (i = 1; i <= 99; i++) {
snprintf(n, l+2, "%s%u", name, i);
if (!(e = pa_hashmap_get(c->namereg, n)))
break;
}
if (e) {
pa_xfree(n);
return NULL;
}
}
assert(n);
e = pa_xmalloc(sizeof(struct namereg_entry));
e->type = type;
e->name = n;
e->data = data;
r = pa_hashmap_put(c->namereg, e->name, e);
assert (r >= 0);
return e->name;
}
void pa_namereg_unregister(pa_core *c, const char *name) {
struct namereg_entry *e;
assert(c && name);
e = pa_hashmap_remove(c->namereg, name);
assert(e);
pa_xfree(e->name);
pa_xfree(e);
}
void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type, int autoload) {
struct namereg_entry *e;
uint32_t idx;
assert(c);
if (!name) {
if (type == PA_NAMEREG_SOURCE)
name = pa_namereg_get_default_source_name(c);
else if (type == PA_NAMEREG_SINK)
name = pa_namereg_get_default_sink_name(c);
}
if (!name)
return NULL;
if (c->namereg && (e = pa_hashmap_get(c->namereg, name)))
if (e->type == type)
return e->data;
if (pa_atou(name, &idx) < 0) {
if (autoload) {
pa_autoload_request(c, name, type);
if (c->namereg && (e = pa_hashmap_get(c->namereg, name)))
if (e->type == type)
return e->data;
}
return NULL;
}
if (type == PA_NAMEREG_SINK)
return pa_idxset_get_by_index(c->sinks, idx);
else if (type == PA_NAMEREG_SOURCE)
return pa_idxset_get_by_index(c->sources, idx);
else if (type == PA_NAMEREG_SAMPLE && c->scache)
return pa_idxset_get_by_index(c->scache, idx);
return NULL;
}
void pa_namereg_set_default(pa_core*c, const char *name, pa_namereg_type_t type) {
char **s;
assert(c && (type == PA_NAMEREG_SINK || type == PA_NAMEREG_SOURCE));
s = type == PA_NAMEREG_SINK ? &c->default_sink_name : &c->default_source_name;
assert(s);
if (!name && !*s)
return;
if (name && *s && !strcmp(name, *s))
return;
pa_xfree(*s);
*s = pa_xstrdup(name);
pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
}
const char *pa_namereg_get_default_sink_name(pa_core *c) {
pa_sink *s;
assert(c);
if (c->default_sink_name)
return c->default_sink_name;
if ((s = pa_idxset_first(c->sinks, NULL)))
pa_namereg_set_default(c, s->name, PA_NAMEREG_SINK);
if (c->default_sink_name)
return c->default_sink_name;
return NULL;
}
const char *pa_namereg_get_default_source_name(pa_core *c) {
pa_source *s;
uint32_t idx;
assert(c);
if (c->default_source_name)
return c->default_source_name;
for (s = pa_idxset_first(c->sources, &idx); s; s = pa_idxset_next(c->sources, &idx))
if (!s->monitor_of) {
pa_namereg_set_default(c, s->name, PA_NAMEREG_SOURCE);
break;
}
if (!c->default_source_name)
if ((s = pa_idxset_first(c->sources, NULL)))
pa_namereg_set_default(c, s->name, PA_NAMEREG_SOURCE);
if (c->default_source_name)
return c->default_source_name;
return NULL;
}
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