/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #ifndef foodbushfoo #define foodbushfoo /*** This file is part of systemd. Copyright 2010 Lennart Poettering systemd 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. systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <dbus/dbus.h> #include "manager.h" typedef int (*BusPropertyCallback)(Manager *m, DBusMessageIter *iter, const char *property, void *data); typedef struct BusProperty { const char *interface; /* interface of the property */ const char *property; /* name of the property */ BusPropertyCallback append; /* Function that is called to serialize this property */ const char *signature; const void *data; /* The data of this property */ } BusProperty; #define BUS_PROPERTIES_INTERFACE \ " <interface name=\"org.freedesktop.DBus.Properties\">\n" \ " <method name=\"Get\">\n" \ " <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \ " <arg name=\"property\" direction=\"in\" type=\"s\"/>\n" \ " <arg name=\"value\" direction=\"out\" type=\"v\"/>\n" \ " </method>\n" \ " <method name=\"GetAll\">\n" \ " <arg name=\"interface\" direction=\"in\" type=\"s\"/>\n" \ " <arg name=\"properties\" direction=\"out\" type=\"a{sv}\"/>\n" \ " </method>\n" \ " <signal name=\"PropertiesChanged\">\n" \ " <arg type=\"s\" name=\"interface\"/>\n" \ " <arg type=\"a{sv}\" name=\"changed_properties\"/>\n" \ " <arg type=\"as\" name=\"invalidated_properties\"/>\n" \ " </signal>\n" \ " </interface>\n" #define BUS_INTROSPECTABLE_INTERFACE \ " <interface name=\"org.freedesktop.DBus.Introspectable\">\n" \ " <method name=\"Introspect\">\n" \ " <arg name=\"data\" type=\"s\" direction=\"out\"/>\n" \ " </method>\n" \ " </interface>\n" #define BUS_PEER_INTERFACE \ "<interface name=\"org.freedesktop.DBus.Peer\">\n" \ " <method name=\"Ping\"/>\n" \ " <method name=\"GetMachineId\">\n" \ " <arg type=\"s\" name=\"machine_uuid\" direction=\"out\"/>\n" \ " </method>\n" \ "</interface>\n" int bus_init(Manager *m, bool try_bus_connect); void bus_done(Manager *m); unsigned bus_dispatch(Manager *m); void bus_watch_event(Manager *m, Watch *w, int events); void bus_timeout_event(Manager *m, Watch *w, int events); int bus_query_pid(Manager *m, const char *name); DBusHandlerResult bus_default_message_handler(Manager *m, DBusConnection *c, DBusMessage *message, const char* introspection, const BusProperty *properties); DBusHandlerResult bus_send_error_reply(Manager *m, DBusConnection *c, DBusMessage *message, DBusError *bus_error, int error); int bus_broadcast(Manager *m, DBusMessage *message); int bus_property_append_string(Manager *m, DBusMessageIter *i, const char *property, void *data); int bus_property_append_strv(Manager *m, DBusMessageIter *i, const char *property, void *data); int bus_property_append_bool(Manager *m, DBusMessageIter *i, const char *property, void *data); int bus_property_append_int32(Manager *m, DBusMessageIter *i, const char *property, void *data); int bus_property_append_uint32(Manager *m, DBusMessageIter *i, const char *property, void *data); int bus_property_append_uint64(Manager *m, DBusMessageIter *i, const char *property, void *data); int bus_property_append_size(Manager *m, DBusMessageIter *i, const char *property, void *data); int bus_property_append_ul(Manager *m, DBusMessageIter *i, const char *property, void *data); #define bus_property_append_int bus_property_append_int32 #define bus_property_append_pid bus_property_append_uint32 #define bus_property_append_mode bus_property_append_uint32 #define bus_property_append_unsigned bus_property_append_uint32 #define bus_property_append_usec bus_property_append_uint64 #define DEFINE_BUS_PROPERTY_APPEND_ENUM(function,name,type) \ int function(Manager *m, DBusMessageIter *i, const char *property, void *data) { \ const char *value; \ type *field = data; \ \ assert(m); \ assert(i); \ assert(property); \ \ value = name##_to_string(*field); \ \ if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &value)) \ return -ENOMEM; \ \ return 0; \ } int bus_parse_strv(DBusMessage *m, char ***_l); bool bus_has_subscriber(Manager *m); bool bus_connection_has_subscriber(Manager *m, DBusConnection *c); DBusMessage* bus_properties_changed_new(const char *path, const char *interface, const char *properties); #define BUS_CONNECTION_SUBSCRIBED(m, c) dbus_connection_get_data((c), (m)->subscribed_data_slot) #define BUS_PENDING_CALL_NAME(m, p) dbus_pending_call_get_data((p), (m)->name_data_slot) extern const char * const bus_interface_table[]; #endif