ddbus/source/ddbus/bus.d
2017-04-23 16:39:28 +02:00

46 lines
1.4 KiB
D

module ddbus.bus;
import ddbus.router;
import ddbus.thin;
import ddbus.c_lib;
import std.string;
enum BusService = "org.freedesktop.DBus";
enum BusPath = "/org/freedesktop/DBus";
enum BusInterface = "org.freedesktop.DBus";
enum NameFlags {
AllowReplace = 1, ReplaceExisting = 2, NoQueue = 4
}
/// Requests a DBus well-known name.
/// returns if the name is owned after the call.
/// Involves blocking call on a DBus method, may throw an exception on failure.
bool requestName(Connection conn, string name,
NameFlags flags = NameFlags.NoQueue | NameFlags.AllowReplace) {
auto msg = Message(BusService,BusPath,BusInterface,"RequestName");
msg.build(name,cast(uint)(flags));
auto res = conn.sendWithReplyBlocking(msg).to!uint;
return (res == 1) || (res == 4);
}
/// A simple main loop that isn't necessarily efficient
/// and isn't guaranteed to work with other tasks and threads.
/// Use only for apps that only do DBus triggered things.
void simpleMainLoop(Connection conn) {
while(dbus_connection_read_write_dispatch(conn.conn, -1)) {} // empty loop body
}
/// Single tick in the DBus connection which can be used for
/// concurrent updates.
bool tick(Connection conn) {
return cast(bool) dbus_connection_read_write_dispatch(conn.conn, 0);
}
unittest {
import dunit.toolkit;
Connection conn = connectToBus();
conn.requestName("ca.thume.ddbus.testing").assertTrue();
}