/// <summary>
/// This method supports the Fluorine infrastructure and is not intended to be used directly from your code.
/// </summary>
/// <param name="amfMessage"></param>
public void WriteMessage(AMFMessage amfMessage)
{
try {
WriteShort(amfMessage.Version);
var headerCount = amfMessage.HeaderCount;
WriteShort(headerCount);
for (var i = 0; i < headerCount; i++) {
WriteHeader(amfMessage.GetHeaderAt(i), ObjectEncoding.AMF0);
}
var bodyCount = amfMessage.BodyCount;
WriteShort(bodyCount);
for (var i = 0; i < bodyCount; i++) {
var responseBody = amfMessage.GetBodyAt(i) as ResponseBody;
if (responseBody != null && !responseBody.IgnoreResults) {
responseBody.WriteBody(amfMessage.ObjectEncoding, this);
} else {
var amfBody = amfMessage.GetBodyAt(i);
ValidationUtils.ObjectNotNull(amfBody, "amfBody");
amfBody.WriteBody(amfMessage.ObjectEncoding, this);
}
}
} catch (Exception exception) {
if (Log.IsFatalEnabled)
Log.Fatal(String.Format(Resources.Amf_SerializationFail), exception);
throw;
}
}
public override void Invoke(AMFContext context)
{
AMFMessage aMFMessage = context.AMFMessage;
if (aMFMessage.GetHeader("DescribeService") != null)
{
aMFMessage.GetBodyAt(0).IsDescribeService = true;
}
}
public override void Invoke(AMFContext context)
{
AMFMessage amfMessage = context.AMFMessage;
AMFHeader amfHeader = amfMessage.GetHeader(AMFHeader.ServiceBrowserHeader);
if (amfHeader != null)
{
AMFBody amfBody = amfMessage.GetBodyAt(0);
amfBody.IsDescribeService = true;
}
}
public override void Invoke(AMFContext context)
{
AMFMessage amfMessage = context.AMFMessage;
AMFHeader amfHeader = amfMessage.GetHeader(AMFHeader.DebugHeader);
if (amfHeader != null)
{
//The value of the header
ASObject asObject = amfHeader.Content as ASObject;
//["error"]: {true}
//["trace"]: {true}
//["httpheaders"]: {false}
//["coldfusion"]: {true}
//["amf"]: {false}
//["m_debug"]: {true}
//["amfheaders"]: {false}
//["recordset"]: {true}
AMFBody amfBody = amfMessage.GetBodyAt(amfMessage.BodyCount - 1); //last body
ResponseBody amfBodyOut = new ResponseBody();
amfBodyOut.Target = amfBody.Response + AMFBody.OnDebugEvents;
amfBodyOut.Response = null;
amfBodyOut.IsDebug = true;
ArrayList headerResults = new ArrayList();
ArrayList result = new ArrayList();
headerResults.Add(result);
if ((bool)asObject["httpheaders"] == true)
{
//If the client wants http headers
result.Add(new HttpHeader( ));
}
if ((bool)asObject["amfheaders"] == true)
{
result.Add(new AMFRequestHeaders(amfMessage));
}
ArrayList traceStack = NetDebug.GetTraceStack();
if ((bool)asObject["trace"] == true && traceStack != null && traceStack.Count > 0)
{
ArrayList tmp = new ArrayList(traceStack);
result.Add(new TraceHeader(tmp));
NetDebug.Clear();
}
//http://osflash.org/amf/envelopes/remoting/debuginfo
amfBodyOut.Content = headerResults;
context.MessageOutput.AddBody(amfBodyOut);
}
NetDebug.Clear();
}
public override void Invoke(AMFContext context)
{
AMFMessage aMFMessage = context.AMFMessage;
AMFHeader header = aMFMessage.GetHeader("amf_server_debug");
if (header != null)
{
ASObject content = header.Content as ASObject;
AMFBody bodyAt = aMFMessage.GetBodyAt(aMFMessage.BodyCount - 1);
ResponseBody body = new ResponseBody {
Target = bodyAt.Response + "/onDebugEvents",
Response = null,
IsDebug = true
};
ArrayList list = new ArrayList();
ArrayList list2 = new ArrayList();
list.Add(list2);
if ((bool)content["httpheaders"])
{
list2.Add(new HttpHeader());
}
if ((bool)content["amfheaders"])
{
list2.Add(new AMFRequestHeaders(aMFMessage));
}
ArrayList traceStack = NetDebug.GetTraceStack();
if ((((bool)content["trace"]) && (traceStack != null)) && (traceStack.Count > 0))
{
ArrayList list4 = new ArrayList(traceStack);
list2.Add(new TraceHeader(list4));
NetDebug.Clear();
}
body.Content = list;
context.MessageOutput.AddBody(body);
}
NetDebug.Clear();
}
object ProcessMessage(AMFMessage amfMessage)
{
// Apply AMF-based operation selector
/*
Dictionary<string, string> operationNameDictionary = new Dictionary<string, string>();
foreach (OperationDescription operation in _endpoint.Contract.Operations)
{
try
{
operationNameDictionary.Add(operation.Name.ToLower(), operation.Name);
}
catch (ArgumentException)
{
throw new Exception(String.Format("The specified contract cannot be used with case insensitive URI dispatch because there is more than one operation named {0}", operation.Name));
}
}
*/
//SessionMode, CallbackContract, ProtectionLevel
AMFMessage output = new AMFMessage(amfMessage.Version);
for (int i = 0; i < amfMessage.BodyCount; i++)
{
AMFBody amfBody = amfMessage.GetBodyAt(i);
object content = amfBody.Content;
if (content is IList)
content = (content as IList)[0];
IMessage message = content as IMessage;
if (message != null)
{
//WCF should not assign client id for Flex...
if (message.clientId == null)
message.clientId = Guid.NewGuid().ToString("D");
//IMessage resultMessage = _endpoint.ServiceMessage(message);
IMessage responseMessage = null;
CommandMessage commandMessage = message as CommandMessage;
if (commandMessage != null && commandMessage.operation == CommandMessage.ClientPingOperation)
{
responseMessage = new AcknowledgeMessage();
responseMessage.body = true;
}
else
{
RemotingMessage remotingMessage = message as RemotingMessage;
string operation = remotingMessage.operation;
//TODO: you could use an alias for a contract to expose a different name to the clients in the metadata using the Name property of the ServiceContract attribute
string source = remotingMessage.source;
Type serviceType = TypeHelper.Locate(source);
Type contractInterface = serviceType.GetInterface(_endpoint.Contract.ContractType.FullName);
//WCF also lets you apply the ServiceContract attribute directly on the service class. Avoid using it.
//ServiceContractAttribute serviceContractAttribute = ReflectionUtils.GetAttribute(typeof(ServiceContractAttribute), type, true) as ServiceContractAttribute;
if (contractInterface != null)
{
object instance = Activator.CreateInstance(serviceType);
IList parameterList = remotingMessage.body as IList;
MethodInfo mi = MethodHandler.GetMethod(contractInterface, operation, parameterList, false, false);
//MethodInfo mi = MethodHandler.GetMethod(serviceType, operation, parameterList, false, false);
if (mi != null)
{
//TODO OperationContract attribute to alias it to a different publicly exposed name
OperationContractAttribute operationContractAttribute = ReflectionUtils.GetAttribute(typeof(OperationContractAttribute), mi, true) as OperationContractAttribute;
if (operationContractAttribute != null)
{
//mi = MethodHandler.GetMethod(serviceType, operation, parameterList, false, false);
ParameterInfo[] parameterInfos = mi.GetParameters();
object[] args = new object[parameterInfos.Length];
parameterList.CopyTo(args, 0);
TypeHelper.NarrowValues(args, parameterInfos);
object result = mi.Invoke(instance, args);
if (!(result is IMessage))
{
responseMessage = new AcknowledgeMessage();
responseMessage.body = result;
}
else
responseMessage = result as IMessage;
}
else
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException("Method in not part of an service contract"));
}
else
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException("Method in not part of an service contract"));
}
else
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException(String.Format("The specified contract {0} cannot be used with the source named {1} and operation named {2}", _endpoint.Contract.ContractType.Name, source, operation)));
}
if (responseMessage is AsyncMessage)
{
((AsyncMessage)responseMessage).correlationId = message.messageId;
}
responseMessage.destination = message.destination;
responseMessage.clientId = message.clientId;
ResponseBody responseBody = new ResponseBody(amfBody, responseMessage);
output.AddBody(responseBody);
}
}
return output;
}
private void BeginResponseFlexCall(IAsyncResult ar)
{
try
{
AmfRequestData amfRequestData = ar.AsyncState as AmfRequestData;
if (amfRequestData != null)
{
HttpWebResponse response = (HttpWebResponse)amfRequestData.Request.EndGetResponse(ar);
if (response != null)
{
//Get response and deserialize
Stream responseStream = response.GetResponseStream();
if (responseStream != null)
{
AMFDeserializer amfDeserializer = new AMFDeserializer(responseStream);
AMFMessage responseMessage = amfDeserializer.ReadAMFMessage();
AMFBody responseBody = responseMessage.GetBodyAt(0);
for (int i = 0; i < responseMessage.HeaderCount; i++)
{
AMFHeader header = responseMessage.GetHeaderAt(i);
if (header.Name == AMFHeader.RequestPersistentHeader)
_netConnection.AddHeader(header.Name, header.MustUnderstand, header.Content);
}
object message = responseBody.Content;
if (message is ErrorMessage)
{
/*
ASObject status = new ASObject();
status["level"] = "error";
status["code"] = "NetConnection.Call.Failed";
status["description"] = (result as ErrorMessage).faultString;
status["details"] = result;
_netConnection.RaiseNetStatus(status);
*/
if (amfRequestData.Call != null)
{
PendingCall call = amfRequestData.Call;
call.Result = message;
call.Status = Messaging.Rtmp.Service.Call.STATUS_INVOCATION_EXCEPTION;
amfRequestData.Callback.ResultReceived(call);
}
if (amfRequestData.Responder != null)
{
StatusFunction statusFunction = amfRequestData.Responder.GetType().GetProperty("Status").GetValue(amfRequestData.Responder, null) as StatusFunction;
if (statusFunction != null)
statusFunction(new Fault(message as ErrorMessage));
}
}
else if (message is AcknowledgeMessage)
{
AcknowledgeMessage ack = message as AcknowledgeMessage;
if (_netConnection.ClientId == null && ack.HeaderExists(MessageBase.FlexClientIdHeader))
_netConnection.SetClientId(ack.GetHeader(MessageBase.FlexClientIdHeader) as string);
if (amfRequestData.Call != null)
{
PendingCall call = amfRequestData.Call;
call.Result = ack.body;
call.Status = Messaging.Rtmp.Service.Call.STATUS_SUCCESS_RESULT;
amfRequestData.Callback.ResultReceived(call);
}
if (amfRequestData.Responder != null)
{
Delegate resultFunction = amfRequestData.Responder.GetType().GetProperty("Result").GetValue(amfRequestData.Responder, null) as Delegate;
if (resultFunction != null)
{
ParameterInfo[] arguments = resultFunction.Method.GetParameters();
object result = TypeHelper.ChangeType(ack.body, arguments[0].ParameterType);
resultFunction.DynamicInvoke(result);
}
}
}
}
else
_netConnection.RaiseNetStatus("Could not aquire ResponseStream");
}
else
_netConnection.RaiseNetStatus("Could not aquire HttpWebResponse");
}
}
catch (Exception ex)
{
_netConnection.RaiseNetStatus(ex);
}
}
private void BeginResponseFlashCall(IAsyncResult ar)
{
try
{
AmfRequestData amfRequestData = ar.AsyncState as AmfRequestData;
if (amfRequestData != null)
{
HttpWebResponse response = (HttpWebResponse)amfRequestData.Request.EndGetResponse(ar);
if (response != null)
{
//Get response and deserialize
Stream responseStream = response.GetResponseStream();
if (responseStream != null)
{
AMFDeserializer amfDeserializer = new AMFDeserializer(responseStream);
AMFMessage responseMessage = amfDeserializer.ReadAMFMessage();
AMFBody responseBody = responseMessage.GetBodyAt(0);
for (int i = 0; i < responseMessage.HeaderCount; i++)
{
AMFHeader header = responseMessage.GetHeaderAt(i);
if (header.Name == AMFHeader.RequestPersistentHeader)
_netConnection.AddHeader(header.Name, header.MustUnderstand, header.Content);
}
if (amfRequestData.Call != null)
{
PendingCall call = amfRequestData.Call;
call.Result = responseBody.Content;
call.Status = responseBody.Target.EndsWith(AMFBody.OnStatus) ? Messaging.Rtmp.Service.Call.STATUS_INVOCATION_EXCEPTION : Messaging.Rtmp.Service.Call.STATUS_SUCCESS_RESULT;
amfRequestData.Callback.ResultReceived(call);
}
if (amfRequestData.Responder != null)
{
if (responseBody.Target.EndsWith(AMFBody.OnStatus))
{
StatusFunction statusFunction = amfRequestData.Responder.GetType().GetProperty("Status").GetValue(amfRequestData.Responder, null) as StatusFunction;
if (statusFunction != null)
statusFunction(new Fault(responseBody.Content));
}
else
{
Delegate resultFunction = amfRequestData.Responder.GetType().GetProperty("Result").GetValue(amfRequestData.Responder, null) as Delegate;
if (resultFunction != null)
{
ParameterInfo[] arguments = resultFunction.Method.GetParameters();
object result = TypeHelper.ChangeType(responseBody.Content, arguments[0].ParameterType);
resultFunction.DynamicInvoke(result);
}
}
}
}
else
_netConnection.RaiseNetStatus("Could not aquire ResponseStream");
}
else
_netConnection.RaiseNetStatus("Could not aquire HttpWebResponse");
}
}
catch (Exception ex)
{
_netConnection.RaiseNetStatus(ex);
}
}
object ProcessMessage(AMFMessage amfMessage)
{
// Apply AMF-based operation selector
/*
* Dictionary<string, string> operationNameDictionary = new Dictionary<string, string>();
* foreach (OperationDescription operation in _endpoint.Contract.Operations)
* {
* try
* {
* operationNameDictionary.Add(operation.Name.ToLower(), operation.Name);
* }
* catch (ArgumentException)
* {
* throw new Exception(String.Format("The specified contract cannot be used with case insensitive URI dispatch because there is more than one operation named {0}", operation.Name));
* }
* }
*/
//SessionMode, CallbackContract, ProtectionLevel
AMFMessage output = new AMFMessage(amfMessage.Version);
for (int i = 0; i < amfMessage.BodyCount; i++)
{
AMFBody amfBody = amfMessage.GetBodyAt(i);
object content = amfBody.Content;
if (content is IList)
{
content = (content as IList)[0];
}
IMessage message = content as IMessage;
if (message != null)
{
//WCF should not assign client id for Flex...
if (message.clientId == null)
{
message.clientId = Guid.NewGuid().ToString("D");
}
//IMessage resultMessage = _endpoint.ServiceMessage(message);
IMessage responseMessage = null;
CommandMessage commandMessage = message as CommandMessage;
if (commandMessage != null && commandMessage.operation == CommandMessage.ClientPingOperation)
{
responseMessage = new AcknowledgeMessage();
responseMessage.body = true;
}
else
{
RemotingMessage remotingMessage = message as RemotingMessage;
string operation = remotingMessage.operation;
//TODO: you could use an alias for a contract to expose a different name to the clients in the metadata using the Name property of the ServiceContract attribute
string source = remotingMessage.source;
Type serviceType = TypeHelper.Locate(source);
Type contractInterface = serviceType.GetInterface(_endpoint.Contract.ContractType.FullName);
//WCF also lets you apply the ServiceContract attribute directly on the service class. Avoid using it.
//ServiceContractAttribute serviceContractAttribute = ReflectionUtils.GetAttribute(typeof(ServiceContractAttribute), type, true) as ServiceContractAttribute;
if (contractInterface != null)
{
object instance = Activator.CreateInstance(serviceType);
IList parameterList = remotingMessage.body as IList;
MethodInfo mi = MethodHandler.GetMethod(contractInterface, operation, parameterList, false, false);
//MethodInfo mi = MethodHandler.GetMethod(serviceType, operation, parameterList, false, false);
if (mi != null)
{
//TODO OperationContract attribute to alias it to a different publicly exposed name
OperationContractAttribute operationContractAttribute = ReflectionUtils.GetAttribute(typeof(OperationContractAttribute), mi, true) as OperationContractAttribute;
if (operationContractAttribute != null)
{
//mi = MethodHandler.GetMethod(serviceType, operation, parameterList, false, false);
ParameterInfo[] parameterInfos = mi.GetParameters();
object[] args = new object[parameterInfos.Length];
parameterList.CopyTo(args, 0);
TypeHelper.NarrowValues(args, parameterInfos);
object result = mi.Invoke(instance, args);
if (!(result is IMessage))
{
responseMessage = new AcknowledgeMessage();
responseMessage.body = result;
}
else
{
responseMessage = result as IMessage;
}
}
else
{
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException("Method in not part of an service contract"));
}
}
else
{
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException("Method in not part of an service contract"));
}
}
else
{
responseMessage = ErrorMessage.GetErrorMessage(remotingMessage, new SecurityException(String.Format("The specified contract {0} cannot be used with the source named {1} and operation named {2}", _endpoint.Contract.ContractType.Name, source, operation)));
}
}
if (responseMessage is AsyncMessage)
{
((AsyncMessage)responseMessage).correlationId = message.messageId;
}
responseMessage.destination = message.destination;
responseMessage.clientId = message.clientId;
ResponseBody responseBody = new ResponseBody(amfBody, responseMessage);
output.AddBody(responseBody);
}
}
return(output);
}
public void WriteMessage(AMFMessage amfMessage)
{
try
{
base.WriteShort(amfMessage.Version);
int headerCount = amfMessage.HeaderCount;
base.WriteShort(headerCount);
for(int i = 0; i < headerCount; i++)
{
this.WriteHeader(amfMessage.GetHeaderAt(i), ObjectEncoding.AMF0);
}
int bodyCount = amfMessage.BodyCount;
base.WriteShort(bodyCount);
for(int i = 0; i < bodyCount; i++)
{
ResponseBody responseBody = amfMessage.GetBodyAt(i) as ResponseBody;
if (responseBody != null && !responseBody.IgnoreResults)
{
//Try to catch serialization errors
if (this.BaseStream.CanSeek)
{
long position = this.BaseStream.Position;
try
{
responseBody.WriteBody(amfMessage.ObjectEncoding, this);
}
catch (Exception exception)
{
this.BaseStream.Seek(position, SeekOrigin.Begin);
//this.BaseStream.Position = position;
#if !SILVERLIGHT
if (log.IsFatalEnabled)
log.Fatal(__Res.GetString(__Res.Amf_SerializationFail), exception);
#endif
ErrorResponseBody errorResponseBody;
if (responseBody.RequestBody.IsEmptyTarget)
{
object content = responseBody.RequestBody.Content;
if (content is IList)
content = (content as IList)[0];
IMessage message = content as IMessage;
MessageException messageException = new MessageException(exception);
messageException.FaultCode = __Res.GetString(__Res.Amf_SerializationFail);
errorResponseBody = new ErrorResponseBody(responseBody.RequestBody, message, messageException);
}
else
errorResponseBody = new ErrorResponseBody(responseBody.RequestBody, exception);
try
{
errorResponseBody.WriteBody(amfMessage.ObjectEncoding, this);
}
#if !SILVERLIGHT
catch (Exception exception2)
{
if (log.IsFatalEnabled)
log.Fatal(__Res.GetString(__Res.Amf_ResponseFail), exception2);
throw;
}
#else
catch (Exception)
{
throw;
}
#endif
}
}
else
responseBody.WriteBody(amfMessage.ObjectEncoding, this);
}
else
{
AMFBody amfBody = amfMessage.GetBodyAt(i);
FluorineFx.Util.ValidationUtils.ObjectNotNull(amfBody, "amfBody");
amfBody.WriteBody(amfMessage.ObjectEncoding, this);
}
}
}
#if !SILVERLIGHT
catch(Exception exception)
{
if( log.IsFatalEnabled )
log.Fatal(__Res.GetString(__Res.Amf_SerializationFail), exception);
throw;
}
#else
catch (Exception)
{
throw;
}
#endif
}
/// <summary>
/// Десериализует буфер данных в объект AMF.
/// </summary>
/// <typeparam name="T">Тип десериализуемого объекта.</typeparam>
/// <param name="sourceBuffer">Исходный буфер данных объекта.</param>
/// <returns></returns>
public static T DeserializeFromAmf <T>(this byte[] sourceBuffer) where T : class
{
using (MemoryStream memoryStream = new MemoryStream(sourceBuffer)) // Открываем поток для чтения данных из буфера.
using (AMFDeserializer amfDeserializer = new AMFDeserializer(memoryStream)) // Инициализируем десериализатор для AMF.
{
AMFMessage amfMessage = amfDeserializer.ReadAMFMessage(); // Получем сообщение AMF.
AMFBody amfBody = amfMessage.GetBodyAt(0); // Получаем body из сообщения AMF.
object amfObject = amfBody.Content; // Получаем объект из body AMF.
Type amfObjectType = amfObject.GetType(); // Получаем метаданные типа объекта AMF.
// Формируем запрос на получение всей коллекции нужных нам типов с заданными атрибутами.
IEnumerable <Type> types = from type in Assembly.GetExecutingAssembly().GetTypes()
where Attribute.IsDefined(type, typeof(AmfObjectAttribute))
select type;
Type currentType = null; // Определяем текущий тип объекта из нашей сборки.
// Проходим по всем найденным типам с нашим атрибутом.
foreach (Type type in types)
{
AmfObjectAttribute attribute = type.GetAttribute <AmfObjectAttribute>(); // Получаем наш атрибут.
if (attribute == null || attribute.Name != amfObjectType.FullName)
{
continue; // Если в атрибуте задано другое имя - пропускаем итерацию.
}
currentType = type; // Иначе сохраняем текущий тип объекта.
break;
}
if (currentType == null)
{
return(default(T)); // Если тип не найден - возвращаем null.
}
object targetObject = Activator.CreateInstance(currentType); // Создаём инстанс нашего типа.
// Анализируем все свойства нашего класса.
foreach (PropertyInfo propertyInfo in currentType.GetProperties())
{
AmfMemberAttribute attribute = propertyInfo.GetAttribute <AmfMemberAttribute>(); // Получаем наш кастомный атрибут.
if (attribute == null)
{
continue; // Если атрибут не задан - пропускаем.
}
propertyInfo.SetValue(targetObject, amfObjectType.GetProperty(attribute.Name).GetValue(amfObject, null), null); // Получаем значение свойства у десериализуемого объекта и сохраняем его в свойстве нашего объекта.
}
// Анализируем все поля нашего класса.
foreach (FieldInfo fieldInfo in currentType.GetFields())
{
AmfMemberAttribute attribute = fieldInfo.GetAttribute <AmfMemberAttribute>(); // Получаем наш кастомный атрибут.
if (attribute == null)
{
continue; // Если атрибут не задан - пропускаем.
}
fieldInfo.SetValue(targetObject, amfObjectType.GetField(attribute.Name).GetValue(amfObject)); // Получаем значение поля у десериализуемого объекта и сохраняем его в поле нашего объекта.
}
return(targetObject as T); // Приводит к типу T и возвращает текущий объект.
}
}
