/// <summary>
/// Creates the proxy.
/// </summary>
/// <returns>Contract</returns>
public TContract CreateProxy()
{
ConstructorInfo c = mRealProxyType.GetConstructor(new Type[] { typeof(Channel), typeof(String) });
ProxyBase proxy = (ProxyBase)c.Invoke(new object[] { mChannel, mChannel.Connect(mRemoteEndPoint) });
WellKnownObjectModeEnum mode = WellKnownObjectModeEnum.PerSession;
if (ContractValidator.GetWellKnownObjectMode(mContractInterface, out mode) && mode == WellKnownObjectModeEnum.PerSession)
{
ServiceBase.RegisterProxy(mChannel, mContractInterface, proxy.GetType(), proxy.SessionId, proxy.ProxyId, proxy);
}
return((TContract)(IRemoteContract)proxy);
}
/// <summary>
/// Channels the receive message event handler.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="Forge.Net.Remoting.Channels.ReceiveMessageEventArgs"/> instance containing the event data.</param>
protected override void ChannelReceiveMessageEventHandler(object sender, ReceiveMessageEventArgs e)
{
if (LOGGER.IsDebugEnabled)
{
LOGGER.Debug(string.Format("Executing service method. SessionId: '{0}', {1}", e.SessionId, e.Message.ToString()));
}
Channel channel = (Channel)sender;
String sessionId = e.SessionId;
IMessage message = e.Message;
// Request és response message type jöhet
// Request mode
// Response mode
// Datagram mode - nincs válasz
if (message.MessageType == MessageTypeEnum.Acknowledge || message.MessageType == MessageTypeEnum.Response)
{
// HIBA: nem megfelelő üzenet típus (implementációs hiba?)
String errorMsg = String.Format("Invalid message type received: {0}. This may be an implementation error in the client proxy.", message.MessageType);
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(errorMsg);
}
}
else
{
RequestMessage rm = (RequestMessage)message;
if (MessageInvokeModeEnum.RequestCallback.Equals(rm.MessageInvokeMode))
{
return;
}
String contractName = rm.ContractName;
Type contractType = null;
try
{
contractType = TypeHelper.GetTypeFromString(contractName);
}
catch (Exception ex)
{
// HIBA: ez a típus nem szerepel a ClassPath-ban
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to resolve this type of contract '{0}'. Type has not found.", rm.ContractName), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
ContractServiceSideDescriptor descriptor = null;
lock (mContractDescriptors)
{
if (mContractDescriptors.ContainsKey(contractType))
{
descriptor = mContractDescriptors[contractType];
}
else
{
// HIBA: ez a contract nincs nyilvántartva
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("This type of contract '{0}' has not been registered.", contractType.FullName)), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
}
Type implType = null;
lock (descriptor)
{
if (descriptor.ImplementationPerChannel.ContainsKey(channel.ChannelId))
{
implType = descriptor.ImplementationPerChannel[channel.ChannelId];
}
else if (descriptor.DefaultImplementationType != null)
{
implType = descriptor.DefaultImplementationType;
}
else
{
// HIBA: a contract a megadott channel-hez nem definiált implementációs típust
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to find implementation for this type of contract '{0}' and channel id: '{1}'.", contractType.FullName, channel.ChannelId)), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
}
Object instance = null;
WellKnownObjectModeEnum objectMode = WellKnownObjectModeEnum.PerSession;
ContractValidator.GetWellKnownObjectMode(contractType, out objectMode);
if (objectMode == WellKnownObjectModeEnum.PerSession)
{
// constructor keresése a Channel és String paraméterlistával, ha még ehhez a session-hez nem létezik instance
long proxyId = -1;
try
{
proxyId = (long)rm.Context[ProxyBase.PROXY_ID];
}
catch (Exception ex)
{
// HIBA: hiányzó vagy rossz formátumú ProxyId
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException("Unable to parse PROXY_ID from call context.", ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
lock (mContractAndInstancePerSessionAndChannel)
{
foreach (ContractAndInstanceStruct s in mContractAndInstancePerSessionAndChannel)
{
if (s.Channel.Equals(channel) && s.ContractType.Equals(contractType) && s.SessionId.Equals(sessionId) && s.ImplType.Equals(implType) && s.ProxyId == proxyId)
{
instance = s.Instance;
break;
}
}
if (instance == null)
{
// még nem létezik a proxy példány, létre kell hozni
try
{
ConstructorInfo c = implType.GetConstructor(new Type[] { typeof(Channel), typeof(String) });
instance = c.Invoke(new object[] { channel, sessionId });
RegisterProxy(channel, contractType, implType, sessionId, proxyId, (ProxyBase)instance);
}
catch (Exception ex)
{
// HIBA: sikertelen az instance létrehozása
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to instantiate type '{0}'. Public constructor is not accessible/found with parameter types: '{1}' and '{2}'.", implType.FullName, typeof(Channel).FullName, typeof(String).FullName), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
}
}
}
else if (objectMode == WellKnownObjectModeEnum.Singleton)
{
// üres constructor kell, ha még nem létezik az instance
lock (mSingletonContainer)
{
if (mSingletonContainer.ContainsKey(implType))
{
instance = mSingletonContainer[implType];
}
else
{
try
{
// még nem volt létrehozva
instance = implType.GetConstructor(new Type[] { }).Invoke(null);
mSingletonContainer.Add(implType, instance);
}
catch (Exception ex)
{
// HIBA: sikertelen az instance létrehozása
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to instantiate type '{0}'. Public empty constructor is not accessible/found.", implType.FullName), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
}
}
}
else
{
// üres constructor kell, példányosítás mindig megtörténik
try
{
// még nem volt létrehozva
instance = implType.GetConstructor(new Type[] { }).Invoke(null);
}
catch (Exception ex)
{
// HIBA: sikertelen az instance létrehozása
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to instantiate type '{0}'. Public empty constructor is not accessible/found.", implType.FullName), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
}
// meg van az instance, lehet reflection-nel hívni a metódusára
Type[] methodParamTypes = null;
Object[] paramValues = null;
if (rm.MethodParameters != null)
{
methodParamTypes = new Type[rm.MethodParameters.Length];
paramValues = new Object[rm.MethodParameters.Length];
for (int i = 0; i < rm.MethodParameters.Length; i++)
{
try
{
methodParamTypes[i] = TypeHelper.GetTypeFromString(rm.MethodParameters[i].ClassName);
}
catch (Exception ex)
{
// HIBA: a paraméter egy típusa nem szerepel a Domainben, így nem feloldható, ismeretlen
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to resolve parameter type '{0}'. Type has not found.", rm.MethodParameters[i].ClassName), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
paramValues[i] = rm.MethodParameters[i].Value;
}
}
MethodInfo m = null;
try
{
m = FindMethod(implType, rm.MethodName, methodParamTypes);
}
catch (Exception ex)
{
// HIBA: a metódus név és paraméterlista alapján nem található
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to find method '{0}' with parameter list: '{1}'.", rm.MethodName, methodParamTypes), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
long returnTimeout = OperationContractAttribute.DEFAULT_METHOD_TIMEOUT;
if (rm.MessageType == MessageTypeEnum.Request)
{
MethodParameter[] mps = null;
if (m.GetParameters().Length > 0)
{
mps = new MethodParameter[m.GetParameters().Length];
for (int i = 0; i < m.GetParameters().Length; i++)
{
ParameterInfo pi = m.GetParameters()[i];
mps[i] = new MethodParameter(i, string.Format("{0}, {1}", pi.ParameterType.FullName, new AssemblyName(pi.ParameterType.Assembly.FullName).Name), null);
}
}
returnTimeout = ServiceBase.GetTimeoutByMethod(contractType, m.Name, mps, MethodTimeoutEnum.ReturnTimeout);
lock (mCallContextForReply)
{
mCallContextForReply.Add(Thread.CurrentThread, new CallContextForReply(channel, sessionId, rm, m.ReturnType, returnTimeout));
}
}
// visszatérési értéket fogadni
Exception methodException = null;
Object result = null;
try
{
result = m.Invoke(instance, paramValues);
}
catch (Exception ex)
{
if (LOGGER.IsDebugEnabled)
{
LOGGER.Debug(string.Format("Service method threw an exception. SessionId: '{0}', {1}", e.SessionId, e.Message.ToString()), ex);
}
methodException = ex;
}
// válaszüzenet küldése
bool needToSendResponse = false;
Type returnType = typeof(void);
if (rm.MessageType == MessageTypeEnum.Request)
{
lock (mCallContextForReply)
{
if (mCallContextForReply.ContainsKey(Thread.CurrentThread))
{
needToSendResponse = true;
returnType = mCallContextForReply[Thread.CurrentThread].ReturnType;
}
}
}
if (needToSendResponse)
{
try
{
SendResponse(channel, sessionId, rm, returnType, result, methodException, returnTimeout);
}
catch (Exception ex)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, ex.Message));
}
}
finally
{
lock (mCallContextForReply)
{
mCallContextForReply.Remove(Thread.CurrentThread);
}
}
}
// saját tulajdonú instance, ami implementálja az IDisposable interface-t és SingleCall, akkor ráhívok a Dispose() metódusra
if (objectMode == WellKnownObjectModeEnum.SingleCall && instance is IDisposable)
{
((IDisposable)instance).Dispose();
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ProxyGenerator<TContract>"/> class.
/// </summary>
public ProxyGenerator()
{
ContractValidator.ValidateContractIntegrity(ContractType);
ContractValidator.GetWellKnownObjectMode(ContractType, out mWellKnownObjectMode);
}
/// <summary>
/// Channels the receive message event handler.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="Forge.Net.Remoting.Channels.ReceiveMessageEventArgs"/> instance containing the event data.</param>
protected override void ChannelReceiveMessageEventHandler(object sender, ReceiveMessageEventArgs e)
{
Channel channel = (Channel)sender;
IMessage message = e.Message;
String sessionId = e.SessionId;
if (message.MessageType == MessageTypeEnum.Acknowledge || message.MessageType == MessageTypeEnum.Response)
{
// HIBA: nem megfelelő üzenet típus (implementációs hiba?)
String errorMsg = String.Format("Invalid message type received: {0}. This may be an implementation error in the client proxy.", message.MessageType.ToString());
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(errorMsg);
}
}
else
{
RequestMessage rm = (RequestMessage)message;
if (MessageInvokeModeEnum.RequestService.Equals(rm.MessageInvokeMode))
{
return;
}
String contractName = rm.ContractName;
Type contractType = null;
try
{
contractType = TypeHelper.GetTypeFromString(contractName);
}
catch (Exception ex)
{
// HIBA: ez a típus nem szerepel a ClassPath-ban
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to resolve this type of contract '{0}'. Type has not found.", rm.ContractName), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
{
WellKnownObjectModeEnum mode = WellKnownObjectModeEnum.PerSession;
if (ContractValidator.GetWellKnownObjectMode(contractType, out mode) && mode != WellKnownObjectModeEnum.PerSession)
{
// HIBA: nem PerSession a contract, amit meghívnak
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Contract {0} must be configured to {1}.", typeof(WellKnownObjectModeEnum).Name, WellKnownObjectModeEnum.PerSession.ToString())), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
}
lock (mContractDescriptors)
{
if (!mContractDescriptors.ContainsKey(contractType))
{
// HIBA: ez a contract nincs nyilvántartva
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("This type of contract '{0}' has not been registered.", contractType.Name)), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
}
long proxyId = -1;
try
{
proxyId = (long)rm.Context[ProxyBase.PROXY_ID];
}
catch (Exception ex)
{
// HIBA: hiányzó vagy rossz formátumú ProxyId
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException("Unable to parse PROXY_ID from call context.", ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
ProxyBase proxy = null;
lock (mContractAndInstancePerSessionAndChannel)
{
foreach (ContractAndInstanceStruct s in mContractAndInstancePerSessionAndChannel)
{
if (s.Channel.Equals(channel) && s.ContractType.Equals(contractType) && s.SessionId.Equals(sessionId) && s.ProxyId == proxyId)
{
proxy = s.Instance;
break;
}
}
if (proxy == null)
{
// HIBA: nem létezik a hivatkozott proxy példány
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to find proxy on client side with ID: {0}", proxyId)), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
}
// meg van az instance, lehet reflection-nel hívni a metódusára
Type[] methodParamTypes = null;
Object[] paramValues = null;
if (rm.MethodParameters != null)
{
methodParamTypes = new Type[rm.MethodParameters.Length];
paramValues = new Object[rm.MethodParameters.Length];
for (int i = 0; i < rm.MethodParameters.Length; i++)
{
try
{
methodParamTypes[i] = TypeHelper.GetTypeFromString(rm.MethodParameters[i].ClassName);
}
catch (Exception ex)
{
// HIBA: a paraméter egy típusa nem szerepel a CLASSPATH-ban, így nem feloldható, ismeretlen
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to resolve parameter type '{0}'. Type has not found.", rm.MethodParameters[i].ClassName), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
paramValues[i] = rm.MethodParameters[i].Value;
}
}
MethodInfo m = null;
try
{
m = FindMethod(proxy.GetType(), rm.MethodName, methodParamTypes);
}
catch (Exception ex)
{
// HIBA: a metódus név és paraméterlista alapján nem található
try
{
SendResponse(channel, sessionId, rm, typeof(void), null, new MethodInvocationException(String.Format("Unable to find method '{0}' with parameter list: '{1}'.", rm.MethodName, methodParamTypes), ex), channel.DefaultErrorResponseTimeout);
}
catch (Exception innerEx)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, innerEx.Message));
}
}
return;
}
long returnTimeout = OperationContractAttribute.DEFAULT_METHOD_TIMEOUT;
if (rm.MessageType == MessageTypeEnum.Request)
{
MethodParameter[] mps = null;
if (m.GetParameters().Length > 0)
{
mps = new MethodParameter[m.GetParameters().Length];
for (int i = 0; i < m.GetParameters().Length; i++)
{
ParameterInfo pi = m.GetParameters()[i];
mps[i] = new MethodParameter(i, string.Format("{0}, {1}", pi.ParameterType.FullName, new AssemblyName(pi.ParameterType.Assembly.FullName).Name), null);
}
}
returnTimeout = ServiceBase.GetTimeoutByMethod(contractType, m.Name, mps, MethodTimeoutEnum.ReturnTimeout);
lock (mCallContextForReply)
{
mCallContextForReply.Add(Thread.CurrentThread, new CallContextForReply(channel, sessionId, rm, m.ReturnType, returnTimeout));
}
}
// visszatérési értéket fogadni
Exception methodException = null;
Object result = null;
try
{
result = m.Invoke(proxy, paramValues);
}
catch (Exception ex)
{
methodException = ex;
}
// válaszüzenet küldése
bool needToSendResponse = false;
Type returnType = typeof(void);
if (rm.MessageType == MessageTypeEnum.Request)
{
lock (mCallContextForReply)
{
if (mCallContextForReply.ContainsKey(Thread.CurrentThread))
{
needToSendResponse = true;
returnType = mCallContextForReply[Thread.CurrentThread].ReturnType;
}
}
}
if (needToSendResponse)
{
try
{
SendResponse(channel, sessionId, rm, returnType, result, methodException, returnTimeout);
}
catch (Exception ex)
{
// válaszüzenet küldése sikertelen
if (LOGGER.IsErrorEnabled)
{
LOGGER.Error(String.Format(AUTO_SEND_REPLY_ERROR_MSG, ex.Message));
}
}
finally
{
lock (mCallContextForReply)
{
mCallContextForReply.Remove(Thread.CurrentThread);
}
}
}
}
}