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-rw-r--r--bus/services.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/bus/services.c b/bus/services.c
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+/* -*- mode: C; c-file-style: "gnu" -*- */
+/* services.c Service management
+ *
+ * Copyright (C) 2003 Red Hat, Inc.
+ *
+ * Licensed under the Academic Free License version 1.2
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#include "services.h"
+#include "connection.h"
+#include <dbus/dbus-hash.h>
+#include <dbus/dbus-list.h>
+#include <dbus/dbus-mempool.h>
+
+struct BusService
+{
+ char *name;
+ DBusList *owners;
+};
+
+static DBusHashTable *service_hash = NULL;
+static DBusMemPool *service_pool = NULL;
+
+BusService*
+bus_service_lookup (const DBusString *service_name,
+ dbus_bool_t create_if_not_found)
+{
+ const char *c_name;
+ BusService *service;
+
+ if (service_hash == NULL)
+ {
+ service_hash = _dbus_hash_table_new (DBUS_HASH_STRING,
+ NULL, NULL);
+ service_pool = _dbus_mem_pool_new (sizeof (BusService),
+ TRUE);
+
+ if (service_hash == NULL || service_pool == NULL)
+ {
+ if (service_hash)
+ {
+ _dbus_hash_table_unref (service_hash);
+ service_hash = NULL;
+ }
+ if (service_pool)
+ {
+ _dbus_mem_pool_free (service_pool);
+ service_pool = NULL;
+ }
+ return NULL;
+ }
+ }
+
+ _dbus_string_get_const_data (service_name, &c_name);
+
+ service = _dbus_hash_table_lookup_string (service_hash,
+ c_name);
+ if (service != NULL)
+ return service;
+
+ if (!create_if_not_found)
+ return NULL;
+
+ service = _dbus_mem_pool_alloc (service_pool);
+ if (service == NULL)
+ return NULL;
+
+ service->name = _dbus_strdup (c_name);
+ if (service->name == NULL)
+ {
+ _dbus_mem_pool_dealloc (service_pool, service);
+ return NULL;
+ }
+
+ if (!_dbus_hash_table_insert_string (service_hash,
+ service->name,
+ service))
+ {
+ dbus_free (service->name);
+ _dbus_mem_pool_dealloc (service_pool, service);
+ return NULL;
+ }
+
+ return service;
+}
+
+dbus_bool_t
+bus_service_add_owner (BusService *service,
+ DBusConnection *owner)
+{
+ if (!_dbus_list_append (&service->owners,
+ owner))
+ return FALSE;
+
+ if (!bus_connection_add_owned_service (owner, service))
+ {
+ _dbus_list_remove_last (&service->owners, owner);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void
+bus_service_remove_owner (BusService *service,
+ DBusConnection *owner)
+{
+ _dbus_list_remove_last (&service->owners, owner);
+ bus_connection_remove_owned_service (owner, service);
+}
+
+DBusConnection*
+bus_service_get_primary_owner (BusService *service)
+{
+ return _dbus_list_get_first (&service->owners);
+}
+
+const char*
+bus_service_get_name (BusService *service)
+{
+ return service->name;
+}
+
+void
+bus_service_foreach (BusServiceForeachFunction function,
+ void *data)
+{
+ DBusHashIter iter;
+
+ if (service_hash == NULL)
+ return;
+
+ _dbus_hash_iter_init (service_hash, &iter);
+ while (_dbus_hash_iter_next (&iter))
+ {
+ BusService *service = _dbus_hash_iter_get_value (&iter);
+
+ (* function) (service, data);
+ }
+}