void wwsig(WvDbusWriter w, Dbus.Field c, string sig, string val)
{
w.Write((byte)c);
w.WriteSig(sig);
w.WriteSig(val);
}
static void CallExecScalar(WvDbus conn,
WvDbusMsg call, out WvDbusMsg reply)
{
if (call.signature != "s") {
reply = CreateUnknownMethodReply(call, "ExecScalar");
return;
}
if (call.Body == null) {
reply = call.err_reply
("org.freedesktop.DBus.Error.InvalidSignature",
"Signature provided but no body received");
return;
}
string clientid = GetClientId(call);
if (clientid == null)
{
reply = call.err_reply("org.freedesktop.DBus.Error.Failed",
"Could not identify the client");
return;
}
var it = call.iter();
string query = it.pop();
object result;
VxColumnType coltype;
VxDb.ExecScalar(clientid, (string)query,
out coltype, out result);
WvDbusWriter writer = new WvDbusWriter();
writer.WriteSig(VxColumnTypeToSignature(coltype));
WriteV(writer, coltype, result);
reply = call.reply("v").write(writer);
}
void wwu(WvDbusWriter w, Dbus.Field c, string sig, uint val)
{
w.Write((byte)c);
w.WriteSig(sig);
w.Write(val);
}
// a(issnny)vaay
public static WvDbusWriter PrepareRecordsetWriter(VxColumnInfo[] colinfo,
object[][] data,
byte[][] nulldata)
{
WvDbusWriter writer = new WvDbusWriter();
// a(issnny)
WriteColInfo(writer, colinfo);
// v
if (colinfo.Length <= 0)
{
// Some clients can't parse a() (empty struct) properly, so
// we'll have an empty array of (i) instead.
writer.WriteSig("a(i)");
}
else
writer.WriteSig(VxColumnInfoToArraySignature(colinfo));
// a(whatever)
writer.WriteArray(8, data, (w2, r) => {
for (int i = 0; i < colinfo.Length; i++)
WriteV(w2, colinfo[i].VxColumnType, r[i]);
});
// aay
writer.WriteArray(4, nulldata, (w2, r) => {
w2.Write(r);
});
return writer;
}
