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/* stats.c - statistics from the bus driver
*
* Copyright © 2011-2012 Nokia Corporation
* Copyright © 2012-2013 Collabora Ltd.
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <config.h>
#include "stats.h"
#include <dbus/dbus-asv-util.h>
#include <dbus/dbus-internals.h>
#include <dbus/dbus-connection-internal.h>
#include "connection.h"
#include "services.h"
#include "utils.h"
#ifdef DBUS_ENABLE_STATS
dbus_bool_t
bus_stats_handle_get_stats (DBusConnection *connection,
BusTransaction *transaction,
DBusMessage *message,
DBusError *error)
{
BusConnections *connections;
DBusMessage *reply = NULL;
DBusMessageIter iter, arr_iter;
static dbus_uint32_t stats_serial = 0;
dbus_uint32_t in_use, in_free_list, allocated;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
connections = bus_transaction_get_connections (transaction);
reply = _dbus_asv_new_method_return (message, &iter, &arr_iter);
if (reply == NULL)
goto oom;
/* Globals */
_dbus_list_get_stats (&in_use, &in_free_list, &allocated);
if (!_dbus_asv_add_uint32 (&arr_iter, "Serial", stats_serial++) ||
!_dbus_asv_add_uint32 (&arr_iter, "ListMemPoolUsedBytes", in_use) ||
!_dbus_asv_add_uint32 (&arr_iter, "ListMemPoolCachedBytes", in_free_list) ||
!_dbus_asv_add_uint32 (&arr_iter, "ListMemPoolAllocatedBytes", allocated))
{
_dbus_asv_abandon (&iter, &arr_iter);
goto oom;
}
/* Connections */
if (!_dbus_asv_add_uint32 (&arr_iter, "ActiveConnections",
bus_connections_get_n_active (connections)) ||
!_dbus_asv_add_uint32 (&arr_iter, "IncompleteConnections",
bus_connections_get_n_incomplete (connections)) ||
!_dbus_asv_add_uint32 (&arr_iter, "MatchRules",
bus_connections_get_total_match_rules (connections)) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakMatchRules",
bus_connections_get_peak_match_rules (connections)) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakMatchRulesPerConnection",
bus_connections_get_peak_match_rules_per_conn (connections)) ||
!_dbus_asv_add_uint32 (&arr_iter, "BusNames",
bus_connections_get_total_bus_names (connections)) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakBusNames",
bus_connections_get_peak_bus_names (connections)) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakBusNamesPerConnection",
bus_connections_get_peak_bus_names_per_conn (connections)))
{
_dbus_asv_abandon (&iter, &arr_iter);
goto oom;
}
/* end */
if (!_dbus_asv_close (&iter, &arr_iter))
goto oom;
if (!bus_transaction_send_from_driver (transaction, connection, reply))
goto oom;
dbus_message_unref (reply);
return TRUE;
oom:
if (reply != NULL)
dbus_message_unref (reply);
BUS_SET_OOM (error);
return FALSE;
}
dbus_bool_t
bus_stats_handle_get_connection_stats (DBusConnection *caller_connection,
BusTransaction *transaction,
DBusMessage *message,
DBusError *error)
{
const char *bus_name = NULL;
DBusString bus_name_str;
DBusMessage *reply = NULL;
DBusMessageIter iter, arr_iter;
static dbus_uint32_t stats_serial = 0;
dbus_uint32_t in_messages, in_bytes, in_fds, in_peak_bytes, in_peak_fds;
dbus_uint32_t out_messages, out_bytes, out_fds, out_peak_bytes, out_peak_fds;
BusRegistry *registry;
BusService *service;
DBusConnection *stats_connection;
_DBUS_ASSERT_ERROR_IS_CLEAR (error);
registry = bus_connection_get_registry (caller_connection);
if (! dbus_message_get_args (message, error,
DBUS_TYPE_STRING, &bus_name,
DBUS_TYPE_INVALID))
return FALSE;
_dbus_string_init_const (&bus_name_str, bus_name);
service = bus_registry_lookup (registry, &bus_name_str);
if (service == NULL)
{
dbus_set_error (error, DBUS_ERROR_NAME_HAS_NO_OWNER,
"Bus name '%s' has no owner", bus_name);
return FALSE;
}
stats_connection = bus_service_get_primary_owners_connection (service);
_dbus_assert (stats_connection != NULL);
reply = _dbus_asv_new_method_return (message, &iter, &arr_iter);
if (reply == NULL)
goto oom;
/* Bus daemon per-connection stats */
if (!_dbus_asv_add_uint32 (&arr_iter, "Serial", stats_serial++) ||
!_dbus_asv_add_uint32 (&arr_iter, "MatchRules",
bus_connection_get_n_match_rules (stats_connection)) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakMatchRules",
bus_connection_get_peak_match_rules (stats_connection)) ||
!_dbus_asv_add_uint32 (&arr_iter, "BusNames",
bus_connection_get_n_services_owned (stats_connection)) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakBusNames",
bus_connection_get_peak_bus_names (stats_connection)) ||
!_dbus_asv_add_string (&arr_iter, "UniqueName",
bus_connection_get_name (stats_connection)))
{
_dbus_asv_abandon (&iter, &arr_iter);
goto oom;
}
/* DBusConnection per-connection stats */
_dbus_connection_get_stats (stats_connection,
&in_messages, &in_bytes, &in_fds,
&in_peak_bytes, &in_peak_fds,
&out_messages, &out_bytes, &out_fds,
&out_peak_bytes, &out_peak_fds);
if (!_dbus_asv_add_uint32 (&arr_iter, "IncomingMessages", in_messages) ||
!_dbus_asv_add_uint32 (&arr_iter, "IncomingBytes", in_bytes) ||
!_dbus_asv_add_uint32 (&arr_iter, "IncomingFDs", in_fds) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakIncomingBytes", in_peak_bytes) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakIncomingFDs", in_peak_fds) ||
!_dbus_asv_add_uint32 (&arr_iter, "OutgoingMessages", out_messages) ||
!_dbus_asv_add_uint32 (&arr_iter, "OutgoingBytes", out_bytes) ||
!_dbus_asv_add_uint32 (&arr_iter, "OutgoingFDs", out_fds) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakOutgoingBytes", out_peak_bytes) ||
!_dbus_asv_add_uint32 (&arr_iter, "PeakOutgoingFDs", out_peak_fds))
{
_dbus_asv_abandon (&iter, &arr_iter);
goto oom;
}
/* end */
if (!_dbus_asv_close (&iter, &arr_iter))
goto oom;
if (!bus_transaction_send_from_driver (transaction, caller_connection,
reply))
goto oom;
dbus_message_unref (reply);
return TRUE;
oom:
if (reply != NULL)
dbus_message_unref (reply);
BUS_SET_OOM (error);
return FALSE;
}
#endif
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