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/***
This file is part of PulseAudio.
Copyright 2009 Tanu Kaskinen
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 2.1 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 <dbus/dbus.h>
#include <pulsecore/core-scache.h>
#include <pulsecore/core-util.h>
#include <pulsecore/dbus-util.h>
#include <pulsecore/protocol-dbus.h>
#include "iface-memstats.h"
#define OBJECT_NAME "memstats"
static void handle_get_current_memblocks(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_current_memblocks_size(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_accumulated_memblocks(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_accumulated_memblocks_size(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_sample_cache_size(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
struct pa_dbusiface_memstats {
pa_core *core;
char *path;
pa_dbus_protocol *dbus_protocol;
};
enum property_handler_index {
PROPERTY_HANDLER_CURRENT_MEMBLOCKS,
PROPERTY_HANDLER_CURRENT_MEMBLOCKS_SIZE,
PROPERTY_HANDLER_ACCUMULATED_MEMBLOCKS,
PROPERTY_HANDLER_ACCUMULATED_MEMBLOCKS_SIZE,
PROPERTY_HANDLER_SAMPLE_CACHE_SIZE,
PROPERTY_HANDLER_MAX
};
static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
[PROPERTY_HANDLER_CURRENT_MEMBLOCKS] = { .property_name = "CurrentMemblocks", .type = "u", .get_cb = handle_get_current_memblocks, .set_cb = NULL },
[PROPERTY_HANDLER_CURRENT_MEMBLOCKS_SIZE] = { .property_name = "CurrentMemblocksSize", .type = "u", .get_cb = handle_get_current_memblocks_size, .set_cb = NULL },
[PROPERTY_HANDLER_ACCUMULATED_MEMBLOCKS] = { .property_name = "AccumulatedMemblocks", .type = "u", .get_cb = handle_get_accumulated_memblocks, .set_cb = NULL },
[PROPERTY_HANDLER_ACCUMULATED_MEMBLOCKS_SIZE] = { .property_name = "AccumulatedMemblocksSize", .type = "u", .get_cb = handle_get_accumulated_memblocks_size, .set_cb = NULL },
[PROPERTY_HANDLER_SAMPLE_CACHE_SIZE] = { .property_name = "SampleCacheSize", .type = "u", .get_cb = handle_get_sample_cache_size, .set_cb = NULL }
};
static pa_dbus_interface_info memstats_interface_info = {
.name = PA_DBUSIFACE_MEMSTATS_INTERFACE,
.method_handlers = NULL,
.n_method_handlers = 0,
.property_handlers = property_handlers,
.n_property_handlers = PROPERTY_HANDLER_MAX,
.get_all_properties_cb = handle_get_all,
.signals = NULL,
.n_signals = 0
};
static void handle_get_current_memblocks(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_memstats *m = userdata;
const pa_mempool_stat *stat;
dbus_uint32_t current_memblocks;
pa_assert(conn);
pa_assert(msg);
pa_assert(m);
stat = pa_mempool_get_stat(m->core->mempool);
current_memblocks = pa_atomic_load(&stat->n_allocated);
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, ¤t_memblocks);
}
static void handle_get_current_memblocks_size(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_memstats *m = userdata;
const pa_mempool_stat *stat;
dbus_uint32_t current_memblocks_size;
pa_assert(conn);
pa_assert(msg);
pa_assert(m);
stat = pa_mempool_get_stat(m->core->mempool);
current_memblocks_size = pa_atomic_load(&stat->allocated_size);
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, ¤t_memblocks_size);
}
static void handle_get_accumulated_memblocks(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_memstats *m = userdata;
const pa_mempool_stat *stat;
dbus_uint32_t accumulated_memblocks;
pa_assert(conn);
pa_assert(msg);
pa_assert(m);
stat = pa_mempool_get_stat(m->core->mempool);
accumulated_memblocks = pa_atomic_load(&stat->n_accumulated);
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &accumulated_memblocks);
}
static void handle_get_accumulated_memblocks_size(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_memstats *m = userdata;
const pa_mempool_stat *stat;
dbus_uint32_t accumulated_memblocks_size;
pa_assert(conn);
pa_assert(msg);
pa_assert(m);
stat = pa_mempool_get_stat(m->core->mempool);
accumulated_memblocks_size = pa_atomic_load(&stat->accumulated_size);
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &accumulated_memblocks_size);
}
static void handle_get_sample_cache_size(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_memstats *m = userdata;
dbus_uint32_t sample_cache_size;
pa_assert(conn);
pa_assert(msg);
pa_assert(m);
sample_cache_size = pa_scache_total_size(m->core);
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &sample_cache_size);
}
static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_memstats *m = userdata;
const pa_mempool_stat *stat;
dbus_uint32_t current_memblocks;
dbus_uint32_t current_memblocks_size;
dbus_uint32_t accumulated_memblocks;
dbus_uint32_t accumulated_memblocks_size;
dbus_uint32_t sample_cache_size;
DBusMessage *reply = NULL;
DBusMessageIter msg_iter;
DBusMessageIter dict_iter;
pa_assert(conn);
pa_assert(msg);
pa_assert(m);
stat = pa_mempool_get_stat(m->core->mempool);
current_memblocks = pa_atomic_load(&stat->n_allocated);
current_memblocks_size = pa_atomic_load(&stat->allocated_size);
accumulated_memblocks = pa_atomic_load(&stat->n_accumulated);
accumulated_memblocks_size = pa_atomic_load(&stat->accumulated_size);
sample_cache_size = pa_scache_total_size(m->core);
pa_assert_se((reply = dbus_message_new_method_return(msg)));
dbus_message_iter_init_append(reply, &msg_iter);
pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CURRENT_MEMBLOCKS].property_name, DBUS_TYPE_UINT32, ¤t_memblocks);
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CURRENT_MEMBLOCKS_SIZE].property_name, DBUS_TYPE_UINT32, ¤t_memblocks_size);
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_ACCUMULATED_MEMBLOCKS].property_name, DBUS_TYPE_UINT32, &accumulated_memblocks);
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_ACCUMULATED_MEMBLOCKS_SIZE].property_name, DBUS_TYPE_UINT32, &accumulated_memblocks_size);
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SAMPLE_CACHE_SIZE].property_name, DBUS_TYPE_UINT32, &sample_cache_size);
pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
pa_assert_se(dbus_connection_send(conn, reply, NULL));
dbus_message_unref(reply);
}
pa_dbusiface_memstats *pa_dbusiface_memstats_new(pa_dbusiface_core *dbus_core, pa_core *core) {
pa_dbusiface_memstats *m;
pa_assert(dbus_core);
pa_assert(core);
m = pa_xnew(pa_dbusiface_memstats, 1);
m->core = pa_core_ref(core);
m->path = pa_sprintf_malloc("%s/%s", PA_DBUS_CORE_OBJECT_PATH, OBJECT_NAME);
m->dbus_protocol = pa_dbus_protocol_get(core);
pa_assert_se(pa_dbus_protocol_add_interface(m->dbus_protocol, m->path, &memstats_interface_info, m) >= 0);
return m;
}
void pa_dbusiface_memstats_free(pa_dbusiface_memstats *m) {
pa_assert(m);
pa_assert_se(pa_dbus_protocol_remove_interface(m->dbus_protocol, m->path, memstats_interface_info.name) >= 0);
pa_xfree(m->path);
pa_dbus_protocol_unref(m->dbus_protocol);
pa_core_unref(m->core);
pa_xfree(m);
}
const char *pa_dbusiface_memstats_get_path(pa_dbusiface_memstats *m) {
pa_assert(m);
return m->path;
}
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