private void CheckAndMakeMetaDataRequest(Message originalMessage, TimeSpan timeout)
{
var action = originalMessage.Headers.Action;
var contractInfo = ContractInfo.FromAction(action);
var serviceContract = TypeFinder.FindServiceContract(contractInfo.ServiceContractName);
var paramTypes = TypeFinder.GetContractParamTypes(serviceContract, contractInfo.OperationContractName,
contractInfo.Action);
var store = ObjectBuilder.GetModelStore();
var metaDataRequired = paramTypes.Any(paramType => store.GetModel(paramType.Type, ModeType.Wcf) == null);
if (!metaDataRequired)
{
return;
}
var metadataRequestMessage = GetMetaDataRequestMessage(action);
var metaDataReply = _innerChannel.Request(metadataRequestMessage);
if (metaDataReply == null)
{
throw new FaultException(
string.Format(
"The service at {0} could not be contacted to get the necessary metadata, make sure the server is available.",
RemoteAddress.Uri.ToString()
));
}
var headers = metaDataReply.Headers;
var serializer = ObjectBuilder.GetSerializer();
var modelProvider = ObjectBuilder.GetModelProvider();
foreach (var messageHeader in headers)
{
if (messageHeader.Name.StartsWith(Constants.MetaDataHeaderKeySuffix))
{
var contractNamespace = messageHeader.Name.Replace(Constants.MetaDataHeaderKeySuffix, string.Empty);
var contractType = TypeFinder.FindDataContract(contractNamespace, contractInfo.ServiceContractName,
contractInfo.Action);
var contractMetaDataString = headers.GetHeader <string>(messageHeader.Name, messageHeader.Namespace);
var contractMeta = BinaryConverter.FromString(contractMetaDataString);
var metaData = serializer.Deserialize <TypeMetaData>(contractMeta, ModeType.Wcf);
modelProvider.CreateModelInfo(contractType, metaData, ModeType.Wcf);
}
}
}