void ProcessRequest(ServiceContext context)
{
if(bridges.Count() == 0)
{
context.Respond(NoExposedMethods());
Log(LogLevel.Error, "There are no methods exposed by this service!");
return;
}
if(context.RequireAuthorization && !AuthorizeRequest(context.Request))
{
context.Respond(Unauthorized());
Log(LogLevel.Warning, "Unauthorized request");
}
else
{
switch(context.ResponseType)
{
case ResponseType.Describe:
context.Respond(Describe());
Log(LogLevel.Info, "Describing service, {0}ms", context.ProcessingTime);
break;
case ResponseType.NoGenericSupport:
Exception exception = new Exception("Methods with generic parameters are not supported.");
context.Respond(CallFailure(exception));
Log(LogLevel.Warning, exception.Message);
break;
case ResponseType.NoMethod:
context.Respond(NoMatchingMethod());
Log(LogLevel.Warning, "No suitable method found for {0}", context.Request.Url.PathAndQuery);
break;
case ResponseType.WrongVerb:
context.Respond(InvalidVerb());
Log(LogLevel.Warning, "Invalid HTTP verb");
break;
case ResponseType.Invoke:
InvokeRequestedMethod(context);
break;
}
}
}
void InvokeRequestedMethod(ServiceContext context)
{
try
{
var map = context.GetMappedParameters();
var result = GetType().InvokeMember(
name: context.Bridge.MethodInfo.Name,
invokeAttr: _bindingFlags,
binder: Type.DefaultBinder,
target: this,
args: map.Values.ToArray(),
modifiers: null,
culture: null,
namedParameters: map.Keys.ToArray()
);
context.Respond(result);
string paramString = string.Join(", ", map.Select(kvp => string.Format("{0}={1}", kvp.Key, kvp.Value)).ToArray());
Log(LogLevel.Info, "Invoked {0}({1}), {2}ms", context.Bridge.QualifiedName, paramString, context.ProcessingTime);
}
catch(ArgumentException ae)
{
context.Respond(ParameterFailure(ae));
Log(LogLevel.Warning, "Parameter value missing or invalid");
}
catch(JsonParserException)
{
context.Respond(InvalidJsonPosted());
Log(LogLevel.Warning, "Unable to parse the posted json document.");
}
catch(Exception e)
{
context.Respond(CallFailure(e.InnerException ?? e));
Log(LogLevel.Warning, "Failure to execute method");
}
}
