public void PrepareMethod <T>(T instance, CommandMessage command, out MethodInfo methodInfo, out object[] callArguments) where T : RtmpController
{
if (!Controllers.TryGetValue(instance.GetType(), out var methods))
{
throw new EntryPointNotFoundException();
}
foreach (var method in methods)
{
if (method.MethodName != command.ProcedureName)
{
continue;
}
var arguments = new object[method.Parameters.Count];
var i = 0;
foreach (var para in method.Parameters)
{
if (para.IsCommandObject)
{
arguments[i] = command.CommandObject;
i++;
}
else if (para.IsFromCommandObject)
{
var commandObj = command.CommandObject;
object val = null;
if (!commandObj.Fields.TryGetValue(para.CommandObjectKey, out val) && !commandObj.DynamicFields.TryGetValue(para.CommandObjectKey, out val))
{
if (para.IsOptional)
{
arguments[i] = Type.Missing;
i++;
}
else
{
break;
}
}
if (para.ParameterType.IsAssignableFrom(val.GetType()))
{
arguments[i] = val;
i++;
}
else
{
if (para.IsOptional)
{
arguments[i] = Type.Missing;
i++;
}
else
{
break;
}
}
}
else if (para.IsFromOptionalArgument)
{
var optionArguments = command.GetType().GetProperties().Where(p => p.GetCustomAttribute <OptionalArgumentAttribute>() != null).ToList();
if (para.OptionalArgumentIndex >= optionArguments.Count)
{
if (para.IsOptional)
{
arguments[i] = Type.Missing;
i++;
}
else
{
break;
}
}
else
{
arguments[i] = optionArguments[i].GetValue(command);
i++;
}
}
}
if (i == arguments.Length)
{
methodInfo = method.Method;
callArguments = arguments;
return;
}
}
throw new EntryPointNotFoundException();
}
public void Notify(CommandMessage message)
{
_log.Info($"{message.GetType().Name} for action {message.ActionId} received.");
}
