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Packages: gio-2.0
D-Bus
Program: client
[DBus (name = "org.example.TestError")]
errordomain TestError {
NOT_SO_GOOD,
BAD,
WORSE
}
[DBus (name = "org.example.Test")]
interface Test : Object {
public abstract void test_void () throws Error;
public abstract int test_int (int i, out int j) throws Error;
public abstract string test_string (string s, out string t) throws Error;
public abstract void test_cancellable (Cancellable? cancellable = null) throws Error;
public abstract void test_custom_error () throws TestError;
}
void main () {
// client
Test test = Bus.get_proxy_sync (BusType.SESSION, "org.example.Test", "/org/example/test");
try {
test.test_void ();
assert_not_reached ();
} catch {
}
try {
int j, k;
k = test.test_int (42, out j);
assert_not_reached ();
} catch {
}
try {
string t, u;
u = test.test_string ("hello", out t);
assert (t == "world");
assert (u == "vala");
assert_not_reached ();
} catch {
}
try {
var cancellable = new Cancellable ();
cancellable.cancel ();
test.test_cancellable (cancellable);
assert_not_reached ();
} catch {
}
try {
test.test_custom_error ();
assert_not_reached ();
} catch (TestError e) {
assert (e is TestError.BAD);
assert (e.message == "GDBus.Error:org.example.TestError.Bad: Something failed badly");
} catch {
assert_not_reached ();
}
}
Program: server
[DBus (name = "org.example.TestError")]
errordomain TestError {
NOT_SO_GOOD,
BAD,
WORSE
}
[DBus (name = "org.example.Test")]
class Test : Object {
public void test_void () throws Error {
throw new IOError.FAILED ("Operation failed");
}
public int test_int (int i, out int j) throws Error {
throw new IOError.FAILED ("Operation failed");
}
public string test_string (string s, out string t) throws Error {
throw new IOError.FAILED ("Operation failed");
}
public void test_cancellable (Cancellable? cancellable = null) throws Error {
}
public void test_custom_error () throws TestError {
throw new TestError.BAD ("Something failed badly");
}
}
MainLoop main_loop;
void client_exit (Pid pid, int status) {
// client finished, terminate server
assert (status == 0);
main_loop.quit ();
}
void main () {
var conn = Bus.get_sync (BusType.SESSION);
conn.register_object ("/org/example/test", new Test ());
// try to register service in session bus
var request_result = conn.call_sync ("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "RequestName",
new Variant ("(su)", "org.example.Test", 0x4), null, 0, -1);
assert ((uint) request_result.get_child_value (0) == 1);
// server ready, spawn client
Pid client_pid;
Process.spawn_async (null, { "dbus_errors_client" }, null, SpawnFlags.DO_NOT_REAP_CHILD, null, out client_pid);
ChildWatch.add (client_pid, client_exit);
main_loop = new MainLoop ();
main_loop.run ();
}
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