private void handleMethodCall(
MethodCallOptions methodCallOptions,
ReceivedMessage receivedMessage,
CancellationToken cancellationToken
)
{
async Task withExceptionHandling(Func <MethodCallOptions, ReceivedMessage, CancellationToken, Task> work, CancellationToken localCancellationToken)
{
try
{
using (receivedMessage)
await work(methodCallOptions, receivedMessage, localCancellationToken);
}
catch (DbusException dbusException)
{
await sendMethodCallErrorAsync(
methodCallOptions,
dbusException.ErrorName,
dbusException.ErrorMessage,
localCancellationToken
);
}
catch (Exception e)
{
await sendMethodCallErrorAsync(
methodCallOptions,
DbusException.CreateErrorName("General"),
e.Message,
localCancellationToken
);
}
}
if (methodCallOptions.InterfaceName == "org.freedesktop.DBus.Properties")
{
Task.Run(() => withExceptionHandling(handlePropertyRequestAsync, cancellationToken));
return;
}
var dictionaryEntry = methodCallOptions.Path + "\0" + methodCallOptions.InterfaceName;
if (objectProxies.TryGetValue(dictionaryEntry, out var proxy))
{
Task.Run(() => withExceptionHandling(proxy.HandleMethodCallAsync, cancellationToken));
return;
}
receivedMessage.Dispose();
Task.Run(() => sendMethodCallErrorAsync(
methodCallOptions,
DbusException.CreateErrorName("MethodCallTargetNotFound"),
"The requested method call isn't mapped to an actual object",
cancellationToken
));
}
public Task HandleMethodCallAsync(
MethodCallOptions methodCallOptions,
ReceivedMessage message,
CancellationToken cancellationToken
)
{
switch (methodCallOptions.Member)
{
case "GetManagedObjects":
return(handleGetManagedObjectsAsync(methodCallOptions, message, cancellationToken));
default:
throw new DbusException(
DbusException.CreateErrorName("UnknownMethod"),
"Method not supported"
);
}
}
public void EncodeProperty(Encoder encoder, string requestedProperty)
=> throw new DbusException(
DbusException.CreateErrorName("InvalidCall"),
"ObjectManager has no Properties"
);
