/* connection.c Client connections
*
* Copyright (C) 2003 Red Hat, Inc.
+ * Copyright (C) 2013 Samsung Electronics
*
* Licensed under the Academic Free License version 2.1
*
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
+
+#include <config.h>
#include "connection.h"
#include "dispatch.h"
#include "policy.h"
#include <dbus/dbus-hash.h>
#include <dbus/dbus-timeout.h>
+/* Trim executed commands to this length; we want to keep logs readable */
+#define MAX_LOG_COMMAND_LEN 50
+
static void bus_connection_remove_transactions (DBusConnection *connection);
typedef struct
DBusTimeout *expire_timeout; /**< Timeout for expiring incomplete connections. */
int stamp; /**< Incrementing number */
BusExpireList *pending_replies; /**< List of pending replies */
+
+#ifdef DBUS_ENABLE_STATS
+ int total_match_rules;
+ int peak_match_rules;
+ int peak_match_rules_per_conn;
+
+ int total_bus_names;
+ int peak_bus_names;
+ int peak_bus_names_per_conn;
+#endif
};
static dbus_int32_t connection_data_slot = -1;
DBusPreallocatedSend *oom_preallocated;
BusClientPolicy *policy;
+ char *cached_loginfo_string;
BusSELinuxID *selinux_id;
long connection_tv_sec; /**< Time when we connected (seconds component) */
long connection_tv_usec; /**< Time when we connected (microsec component) */
int stamp; /**< connections->stamp last time we were traversed */
+
+#ifdef DBUS_ENABLE_STATS
+ int peak_match_rules;
+ int peak_bus_names;
+#endif
} BusConnectionData;
static dbus_bool_t bus_pending_reply_expired (BusExpireList *list,
/* val is NULL is 0 when it isn't in the hash yet */
- val = _dbus_hash_table_lookup_ulong (connections->completed_by_user,
+ val = _dbus_hash_table_lookup_uintptr (connections->completed_by_user,
uid);
current_count = _DBUS_POINTER_TO_INT (val);
if (current_count == 0)
{
- _dbus_hash_table_remove_ulong (connections->completed_by_user, uid);
+ _dbus_hash_table_remove_uintptr (connections->completed_by_user, uid);
return TRUE;
}
else
{
dbus_bool_t retval;
- retval = _dbus_hash_table_insert_ulong (connections->completed_by_user,
+ retval = _dbus_hash_table_insert_uintptr (connections->completed_by_user,
uid, _DBUS_INT_TO_POINTER (current_count));
/* only positive adjustment can fail as otherwise
BusConnectionData *d;
BusService *service;
BusMatchmaker *matchmaker;
+#ifdef ENABLE_KDBUS_TRANSPORT
+ dbus_bool_t is_phantom = FALSE;
+#endif
d = BUS_CONNECTION_DATA (connection);
_dbus_assert (d != NULL);
_dbus_verbose ("%s disconnected, dropping all service ownership and releasing\n",
d->name ? d->name : "(inactive)");
+#ifdef ENABLE_KDBUS_TRANSPORT
+ if(bus_context_is_kdbus(d->connections->context) && (strcmp(bus_connection_get_name(connection), ":1.1")))
+ is_phantom = TRUE;
+#endif
+
/* Delete our match rules */
if (d->n_match_rules > 0)
{
dbus_connection_set_data (connection,
connection_data_slot,
NULL, NULL);
-
- dbus_connection_unref (connection);
-}
-static dbus_bool_t
-connection_watch_callback (DBusWatch *watch,
- unsigned int condition,
- void *data)
-{
- /* FIXME this can be done in dbus-mainloop.c
- * if the code in activation.c for the babysitter
- * watch handler is fixed.
- */
-
-#if 0
- _dbus_verbose ("Calling handle_watch\n");
+#ifdef ENABLE_KDBUS_TRANSPORT
+ if(is_phantom)
+ dbus_connection_unref_phantom(connection);
+ else
#endif
- return dbus_watch_handle (watch, condition);
+ dbus_connection_unref (connection);
}
static dbus_bool_t
{
DBusConnection *connection = data;
- return _dbus_loop_add_watch (connection_get_loop (connection),
- watch, connection_watch_callback, connection,
- NULL);
+ return _dbus_loop_add_watch (connection_get_loop (connection), watch);
}
static void
{
DBusConnection *connection = data;
- _dbus_loop_remove_watch (connection_get_loop (connection),
- watch, connection_watch_callback, connection);
+ _dbus_loop_remove_watch (connection_get_loop (connection), watch);
}
static void
-connection_timeout_callback (DBusTimeout *timeout,
- void *data)
+toggle_connection_watch (DBusWatch *watch,
+ void *data)
{
- /* DBusConnection *connection = data; */
+ DBusConnection *connection = data;
- /* can return FALSE on OOM but we just let it fire again later */
- dbus_timeout_handle (timeout);
+ _dbus_loop_toggle_watch (connection_get_loop (connection), watch);
}
static dbus_bool_t
{
DBusConnection *connection = data;
- return _dbus_loop_add_timeout (connection_get_loop (connection),
- timeout, connection_timeout_callback, connection, NULL);
+ return _dbus_loop_add_timeout (connection_get_loop (connection), timeout);
}
static void
{
DBusConnection *connection = data;
- _dbus_loop_remove_timeout (connection_get_loop (connection),
- timeout, connection_timeout_callback, connection);
+ _dbus_loop_remove_timeout (connection_get_loop (connection), timeout);
}
static void
if (d->selinux_id)
bus_selinux_id_unref (d->selinux_id);
+ dbus_free (d->cached_loginfo_string);
+
dbus_free (d->name);
dbus_free (d);
}
-static void
-call_timeout_callback (DBusTimeout *timeout,
- void *data)
-{
- /* can return FALSE on OOM but we just let it fire again later */
- dbus_timeout_handle (timeout);
-}
-
BusConnections*
bus_connections_new (BusContext *context)
{
if (connections == NULL)
goto failed_1;
- connections->completed_by_user = _dbus_hash_table_new (DBUS_HASH_ULONG,
+ connections->completed_by_user = _dbus_hash_table_new (DBUS_HASH_UINTPTR,
NULL, NULL);
if (connections->completed_by_user == NULL)
goto failed_2;
goto failed_4;
if (!_dbus_loop_add_timeout (bus_context_get_loop (context),
- connections->expire_timeout,
- call_timeout_callback, NULL, NULL))
+ connections->expire_timeout))
goto failed_5;
connections->refcount = 1;
bus_expire_list_free (connections->pending_replies);
_dbus_loop_remove_timeout (bus_context_get_loop (connections->context),
- connections->expire_timeout,
- call_timeout_callback, NULL);
+ connections->expire_timeout);
_dbus_timeout_unref (connections->expire_timeout);
}
}
+/* Used for logging */
+static dbus_bool_t
+cache_peer_loginfo_string (BusConnectionData *d,
+ DBusConnection *connection)
+{
+ DBusString loginfo_buf;
+ unsigned long uid;
+ unsigned long pid;
+ char *windows_sid;
+ dbus_bool_t prev_added;
+
+ if (!_dbus_string_init (&loginfo_buf))
+ return FALSE;
+
+ prev_added = FALSE;
+ if (dbus_connection_get_unix_user (connection, &uid))
+ {
+ if (!_dbus_string_append_printf (&loginfo_buf, "uid=%ld", uid))
+ goto oom;
+ else
+ prev_added = TRUE;
+ }
+
+ if (dbus_connection_get_unix_process_id (connection, &pid))
+ {
+ if (prev_added)
+ {
+ if (!_dbus_string_append_byte (&loginfo_buf, ' '))
+ goto oom;
+ }
+ if (!_dbus_string_append_printf (&loginfo_buf, "pid=%ld comm=\"", pid))
+ goto oom;
+ /* Ignore errors here; we may not have permissions to read the
+ * proc file. */
+ _dbus_command_for_pid (pid, &loginfo_buf, MAX_LOG_COMMAND_LEN, NULL);
+ if (!_dbus_string_append_byte (&loginfo_buf, '"'))
+ goto oom;
+ }
+
+ if (dbus_connection_get_windows_user (connection, &windows_sid))
+ {
+ dbus_bool_t did_append;
+ did_append = _dbus_string_append_printf (&loginfo_buf,
+ "sid=\"%s\" ", windows_sid);
+ dbus_free (windows_sid);
+ if (!did_append)
+ goto oom;
+ }
+
+ if (!_dbus_string_steal_data (&loginfo_buf, &(d->cached_loginfo_string)))
+ goto oom;
+
+ _dbus_string_free (&loginfo_buf);
+
+ return TRUE;
+oom:
+ _dbus_string_free (&loginfo_buf);
+ return FALSE;
+}
+
dbus_bool_t
bus_connections_setup_connection (BusConnections *connections,
DBusConnection *connection)
{
+
BusConnectionData *d;
dbus_bool_t retval;
DBusError error;
+
d = dbus_new0 (BusConnectionData, 1);
d->connections = connections;
d->connection = connection;
- _dbus_get_current_time (&d->connection_tv_sec,
- &d->connection_tv_usec);
+ _dbus_get_monotonic_time (&d->connection_tv_sec,
+ &d->connection_tv_usec);
_dbus_assert (connection_data_slot >= 0);
dbus_error_free (&error);
goto out;
}
-
+
if (!dbus_connection_set_watch_functions (connection,
add_connection_watch,
remove_connection_watch,
- NULL,
+ toggle_connection_watch,
connection,
NULL))
goto out;
DBusList *link;
int auth_timeout;
- _dbus_get_current_time (&tv_sec, &tv_usec);
+ _dbus_get_monotonic_time (&tv_sec, &tv_usec);
auth_timeout = bus_context_get_auth_timeout (connections->context);
link = _dbus_list_get_first_link (&connections->incomplete);
{
BusConnections *connections = data;
- _dbus_verbose ("Running %s\n", _DBUS_FUNCTION_NAME);
+ _dbus_verbose ("Running\n");
/* note that this may remove the timeout */
bus_connections_expire_incomplete (connections);
int *n_groups,
DBusError *error)
{
- BusConnectionData *d;
unsigned long uid;
-
- d = BUS_CONNECTION_DATA (connection);
-
- _dbus_assert (d != NULL);
*groups = NULL;
*n_groups = 0;
return FALSE;
}
+const char *
+bus_connection_get_loginfo (DBusConnection *connection)
+{
+ BusConnectionData *d;
+
+ d = BUS_CONNECTION_DATA (connection);
+
+ if (!bus_connection_is_active (connection))
+ return "inactive";
+ return d->cached_loginfo_string;
+}
+
BusClientPolicy*
bus_connection_get_policy (DBusConnection *connection)
{
foreach_inactive (connections, function, data);
}
+#ifdef ENABLE_KDBUS_TRANSPORT
+DBusConnection*
+bus_connections_find_conn_by_name(BusConnections *connections, const char* name)
+{
+ DBusList *link;
+
+ link = _dbus_list_get_first_link (&connections->completed);
+ while (link != NULL)
+ {
+ DBusConnection *connection = link->data;
+ DBusList *next = _dbus_list_get_next_link (&connections->completed, link);
+
+ if (!strcmp(bus_connection_get_name(connection), name))
+ return connection;
+
+ link = next;
+ }
+
+ return NULL;
+}
+#endif
+
BusContext*
bus_connections_get_context (BusConnections *connections)
{
d->oom_preallocated = NULL;
}
+#ifdef DBUS_ENABLE_STATS
+static void
+update_peak (int *peak,
+ int n)
+{
+ if (*peak < n)
+ *peak = n;
+}
+#endif
+
void
bus_connection_add_match_rule_link (DBusConnection *connection,
DBusList *link)
_dbus_list_append_link (&d->match_rules, link);
d->n_match_rules += 1;
+
+#ifdef DBUS_ENABLE_STATS
+ update_peak (&d->peak_match_rules, d->n_match_rules);
+ update_peak (&d->connections->peak_match_rules_per_conn, d->n_match_rules);
+
+ d->connections->total_match_rules += 1;
+ update_peak (&d->connections->peak_match_rules,
+ d->connections->total_match_rules);
+#endif
}
dbus_bool_t
d->n_match_rules -= 1;
_dbus_assert (d->n_match_rules >= 0);
+
+#ifdef DBUS_ENABLE_STATS
+ d->connections->total_match_rules -= 1;
+#endif
}
int
_dbus_list_append_link (&d->services_owned, link);
d->n_services_owned += 1;
+
+#ifdef DBUS_ENABLE_STATS
+ update_peak (&d->peak_bus_names, d->n_services_owned);
+ update_peak (&d->connections->peak_bus_names_per_conn,
+ d->n_services_owned);
+
+ d->connections->total_bus_names += 1;
+ update_peak (&d->connections->peak_bus_names,
+ d->connections->total_bus_names);
+#endif
}
dbus_bool_t
d->n_services_owned -= 1;
_dbus_assert (d->n_services_owned >= 0);
+
+#ifdef DBUS_ENABLE_STATS
+ d->connections->total_bus_names -= 1;
+#endif
}
int
return d->n_services_owned;
}
+#ifdef ENABLE_KDBUS_TRANSPORT
+DBusList**
+bus_connection_get_services_owned (DBusConnection *connection)
+{
+ BusConnectionData *d;
+ d = BUS_CONNECTION_DATA (connection);
+ _dbus_assert (d != NULL);
+
+ return &d->services_owned;
+}
+#endif
+
dbus_bool_t
bus_connection_complete (DBusConnection *connection,
const DBusString *name,
{
if (!adjust_connections_for_uid (d->connections,
uid, 1))
- {
- BUS_SET_OOM (error);
- dbus_free (d->name);
- d->name = NULL;
- bus_client_policy_unref (d->policy);
- d->policy = NULL;
- return FALSE;
- }
+ goto fail;
}
-
+
+ /* Create and cache a string which holds information about the
+ * peer process; used for logging purposes.
+ */
+ if (!cache_peer_loginfo_string (d, connection))
+ goto fail;
+
/* Now the connection is active, move it between lists */
_dbus_list_unlink (&d->connections->incomplete,
d->link_in_connection_list);
_dbus_assert (bus_connection_is_active (connection));
return TRUE;
+fail:
+ BUS_SET_OOM (error);
+ dbus_free (d->name);
+ d->name = NULL;
+ if (d->policy)
+ bus_client_policy_unref (d->policy);
+ d->policy = NULL;
+ return FALSE;
}
const char *
DBusConnection *requesting_completion,
DBusError *error)
{
- BusConnectionData *d;
unsigned long uid;
-
- d = BUS_CONNECTION_DATA (requesting_completion);
- _dbus_assert (d != NULL);
-
- _dbus_assert (d->name == NULL);
if (connections->n_completed >=
bus_context_get_max_completed_connections (connections->context))
bus_transaction_cancel_and_free (transaction);
return FALSE;
}
-
- _dbus_list_remove_link (&connections->pending_replies->items,
- link);
+
+ bus_expire_list_remove_link (connections->pending_replies, link);
+
bus_pending_reply_free (pending);
bus_transaction_execute_and_free (transaction);
_dbus_verbose ("Dropping pending replies that involve connection %p\n",
connection);
- link = _dbus_list_get_first_link (&connections->pending_replies->items);
+ link = bus_expire_list_get_first_link (connections->pending_replies);
while (link != NULL)
{
DBusList *next;
BusPendingReply *pending;
- next = _dbus_list_get_next_link (&connections->pending_replies->items,
- link);
+ next = bus_expire_list_get_next_link (connections->pending_replies,
+ link);
pending = link->data;
if (pending->will_get_reply == connection)
pending->will_get_reply,
pending->reply_serial);
- _dbus_list_remove_link (&connections->pending_replies->items,
- link);
+ bus_expire_list_remove_link (connections->pending_replies,
+ link);
bus_pending_reply_free (pending);
}
else if (pending->will_send_reply == connection)
pending->expire_item.added_tv_sec = 0;
pending->expire_item.added_tv_usec = 0;
- bus_expire_timeout_set_interval (connections->pending_replies->timeout,
- 0);
+ bus_expire_list_recheck_immediately (connections->pending_replies);
}
link = next;
{
CancelPendingReplyData *d = data;
- _dbus_verbose ("%s: d = %p\n", _DBUS_FUNCTION_NAME, d);
+ _dbus_verbose ("d = %p\n", d);
- if (!_dbus_list_remove (&d->connections->pending_replies->items,
- d->pending))
+ if (!bus_expire_list_remove (d->connections->pending_replies,
+ &d->pending->expire_item))
_dbus_assert_not_reached ("pending reply did not exist to be cancelled");
bus_pending_reply_free (d->pending); /* since it's been cancelled */
{
CancelPendingReplyData *d = data;
- _dbus_verbose ("%s: d = %p\n", _DBUS_FUNCTION_NAME, d);
+ _dbus_verbose ("d = %p\n", d);
/* d->pending should be either freed or still
* in the list of pending replies (owned by someone
reply_serial = dbus_message_get_serial (reply_to_this);
- link = _dbus_list_get_first_link (&connections->pending_replies->items);
+ link = bus_expire_list_get_first_link (connections->pending_replies);
count = 0;
while (link != NULL)
{
return FALSE;
}
- link = _dbus_list_get_next_link (&connections->pending_replies->items,
- link);
+ link = bus_expire_list_get_next_link (connections->pending_replies,
+ link);
if (pending->will_get_reply == will_get_reply)
++count;
}
return FALSE;
}
- if (!_dbus_list_prepend (&connections->pending_replies->items,
- pending))
+ if (!bus_expire_list_add (connections->pending_replies,
+ &pending->expire_item))
{
BUS_SET_OOM (error);
dbus_free (cprd);
cancel_pending_reply_data_free))
{
BUS_SET_OOM (error);
- _dbus_list_remove (&connections->pending_replies->items, pending);
+ bus_expire_list_remove (connections->pending_replies, &pending->expire_item);
dbus_free (cprd);
bus_pending_reply_free (pending);
return FALSE;
cprd->pending = pending;
cprd->connections = connections;
- _dbus_get_current_time (&pending->expire_item.added_tv_sec,
- &pending->expire_item.added_tv_usec);
+ _dbus_get_monotonic_time (&pending->expire_item.added_tv_sec,
+ &pending->expire_item.added_tv_usec);
_dbus_verbose ("Added pending reply %p, replier %p receiver %p serial %u\n",
pending,
{
CheckPendingReplyData *d = data;
- _dbus_verbose ("%s: d = %p\n", _DBUS_FUNCTION_NAME, d);
-
- _dbus_list_prepend_link (&d->connections->pending_replies->items,
- d->link);
+ _dbus_verbose ("d = %p\n",d);
+
+ bus_expire_list_add_link (d->connections->pending_replies,
+ d->link);
d->link = NULL;
}
{
CheckPendingReplyData *d = data;
- _dbus_verbose ("%s: d = %p\n", _DBUS_FUNCTION_NAME, d);
+ _dbus_verbose ("d = %p\n",d);
if (d->link != NULL)
{
BusPendingReply *pending = d->link->data;
- _dbus_assert (_dbus_list_find_last (&d->connections->pending_replies->items,
- pending) == NULL);
+ _dbus_assert (!bus_expire_list_contains_item (d->connections->pending_replies,
+ &pending->expire_item));
bus_pending_reply_free (pending);
_dbus_list_free_link (d->link);
reply_serial = dbus_message_get_reply_serial (reply);
- link = _dbus_list_get_first_link (&connections->pending_replies->items);
+ link = bus_expire_list_get_first_link (connections->pending_replies);
while (link != NULL)
{
BusPendingReply *pending = link->data;
break;
}
- link = _dbus_list_get_next_link (&connections->pending_replies->items,
- link);
+ link = bus_expire_list_get_next_link (connections->pending_replies,
+ link);
}
if (link == NULL)
cprd->link = link;
cprd->connections = connections;
- _dbus_list_unlink (&connections->pending_replies->items,
- link);
+ bus_expire_list_unlink (connections->pending_replies,
+ link);
- _dbus_assert (_dbus_list_find_last (&connections->pending_replies->items,
- link->data) == NULL);
+ _dbus_assert (!bus_expire_list_contains_item (connections->pending_replies, link->data));
return TRUE;
}
if (!dbus_message_set_sender (message, DBUS_SERVICE_DBUS))
return FALSE;
- if (bus_connection_is_active (connection))
+#ifdef ENABLE_KDBUS_TRANSPORT
+ if(!bus_context_is_kdbus(bus_transaction_get_context (transaction))) /* we can't set destination on the basis of connection when on kdbus*/
+#endif
+ if (bus_connection_is_active (connection))
{
if (!dbus_message_set_destination (message,
bus_connection_get_name (connection)))
return TRUE;
}
+
+#ifdef DBUS_ENABLE_STATS
+int
+bus_connections_get_n_active (BusConnections *connections)
+{
+ return connections->n_completed;
+}
+
+int
+bus_connections_get_n_incomplete (BusConnections *connections)
+{
+ return connections->n_incomplete;
+}
+
+int
+bus_connections_get_total_match_rules (BusConnections *connections)
+{
+ return connections->total_match_rules;
+}
+
+int
+bus_connections_get_peak_match_rules (BusConnections *connections)
+{
+ return connections->peak_match_rules;
+}
+
+int
+bus_connections_get_peak_match_rules_per_conn (BusConnections *connections)
+{
+ return connections->peak_match_rules_per_conn;
+}
+
+int
+bus_connections_get_total_bus_names (BusConnections *connections)
+{
+ return connections->total_bus_names;
+}
+
+int
+bus_connections_get_peak_bus_names (BusConnections *connections)
+{
+ return connections->peak_bus_names;
+}
+
+int
+bus_connections_get_peak_bus_names_per_conn (BusConnections *connections)
+{
+ return connections->peak_bus_names_per_conn;
+}
+
+int
+bus_connection_get_peak_match_rules (DBusConnection *connection)
+{
+ BusConnectionData *d;
+
+ d = BUS_CONNECTION_DATA (connection);
+ return d->peak_match_rules;
+}
+
+int
+bus_connection_get_peak_bus_names (DBusConnection *connection)
+{
+ BusConnectionData *d;
+
+ d = BUS_CONNECTION_DATA (connection);
+ return d->peak_bus_names;
+}
+#endif /* DBUS_ENABLE_STATS */
projects / platform / upstream / dbus.git / blobdiff