/// <summary>
/// allows to install a receiver when ready to process messages.
/// </summary>
/// <param name="serverThreadsMaxPerConnection">
/// the maximum number of server threads used for processing requests on a multiplexed client connection.
/// </param>
/// <remarks>used for standalone server side and used for bidirectional communication.</remarks>
internal void InstallReceiver(IGiopRequestMessageReceiver receiver, GiopConnectionDesc receiverConDesc,
int serverThreadsMaxPerConnection)
{
lock (this) {
if (m_reiceivedRequestDispatcher == null)
{
m_reiceivedRequestDispatcher =
new GiopReceivedRequestMessageDispatcher(receiver, this, receiverConDesc,
serverThreadsMaxPerConnection);
}
}
}
private bool IsBidirConnectionAlreadyRegistered(string conKey, GiopConnectionDesc receivedOnDesc)
{
IList known = (IList)m_bidirConnections[conKey];
if (known != null)
{
foreach (GiopClientConnection con in known)
{
if (con.Desc.TransportHandler == receivedOnDesc.TransportHandler)
{
return(true); // received on same transport handler to the same target -> same connection.
}
}
}
return(false);
}
/// <summary>creates a giop transport message handler, which accept request messages by delegating to receiver</summary>
/// <param name="serverThreadsMaxPerConnection">
/// the maximum number of server threads used for processing requests on a multiplexed client connection.
/// </param>
internal GiopReceivedRequestMessageDispatcher(IGiopRequestMessageReceiver receiver, GiopTransportMessageHandler msgHandler,
GiopConnectionDesc conDesc, int serverThreadsMaxPerConnection)
{
m_serverCon = new GiopServerConnection(conDesc, this);
if (receiver != null)
{
m_receiver = receiver;
}
else
{
throw new BAD_PARAM(400, CompletionStatus.Completed_MayBe);
}
m_msgHandler = msgHandler;
if (serverThreadsMaxPerConnection < 1)
{
throw new BAD_PARAM(401, CompletionStatus.Completed_MayBe);
}
m_maxRequestsAllowedInParallel = serverThreadsMaxPerConnection;
}
/// <summary>registeres connections from received listen points. Those connections
/// can be used for callbacks.</summary>
/// <remarks>for use case (1)</remarks>
internal void RegisterBidirectionalConnection(GiopConnectionDesc receivedOnDesc,
Array receivedListenPoints)
{
// ask transport factory to create the connection key for the listenPoints
for (int i = 0; i < receivedListenPoints.Length; i++)
{
string conKey =
m_transportFactory.GetEndPointKeyForBidirEndpoint(receivedListenPoints.GetValue(i));
if (conKey != null)
{
lock (this) {
if (!IsBidirConnectionAlreadyRegistered(conKey, receivedOnDesc))
{
// new / different connection for listen-point
GiopBidirInitiatedConnection connection =
new GiopBidirInitiatedConnection(conKey, receivedOnDesc.TransportHandler,
this);
Trace.WriteLine(String.Format("register bidirectional connection to {0}", conKey));
IList cons = (IList)m_bidirConnections[conKey];
if (cons == null)
{
cons = new ArrayList();
m_bidirConnections[conKey] = cons;
}
cons.Add(connection);
RegisterConnection(conKey, connection); // register the new connection
SetConnectionAvailable(conKey, connection);
}
else
{
Trace.WriteLine(String.Format("received listen points for already registered bidirectional connection to {0}", conKey));
}
}
}
}
}
/// <summary>
/// allows to install a receiver when ready to process messages.
/// </summary>
/// <param name="serverThreadsMaxPerConnection">
/// the maximum number of server threads used for processing requests on a multiplexed client connection.
/// </param>
/// <remarks>used for standalone server side and used for bidirectional communication.</remarks>
internal void InstallReceiver(IGiopRequestMessageReceiver receiver, GiopConnectionDesc receiverConDesc,
int serverThreadsMaxPerConnection) {
lock(this) {
if (m_reiceivedRequestDispatcher == null) {
m_reiceivedRequestDispatcher =
new GiopReceivedRequestMessageDispatcher(receiver, this, receiverConDesc,
serverThreadsMaxPerConnection);
}
}
}
public void TestGiopConnectionDescCodeSetNotSetAccess()
{
GiopConnectionDesc desc =
new GiopConnectionDesc(null, null);
Assert.IsTrue(
!desc.IsCodeSetDefined(), "No codeset user defined at construction time");
try
{
int charSet = desc.CharSet;
Assert.Fail("Expected expection, when accessing charset, although not set");
}
catch (INTERNAL)
{
// expected.
}
try
{
int wcharSet = desc.WCharSet;
Assert.Fail("Expected expection, when accessing charset, although not set");
}
catch (INTERNAL)
{
// expected.
}
}
public void TestWCharSetDefinedServer() {
byte[] sourceContent =
new byte[] {
0, 0, 0, 5, 3, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 7, 116, 101, 115, 116,
117, 114, 105, 0,
0, 0, 0, 12, 69, 99, 104, 111,
87, 83, 116, 114, 105, 110, 103, 0,
0, 0, 0, 1, 0, 0, 0, 1,
0, 0, 0, 12, 0, 0, 0, 0,
0, 1, 0, 1, 0, 1, 1, 9,
0, 0, 0, 8, 0, 116, 0, 101,
0, 115, 0, 116};
MemoryStream sourceStream =
new MemoryStream(sourceContent);
// create a connection context: this is needed for request deserialisation
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// go to stream begin
sourceStream.Seek(0, SeekOrigin.Begin);
GiopMessageBodySerialiser ser = new GiopMessageBodySerialiser(
new ArgumentsSerializerFactory(m_serFactory));
CdrInputStreamImpl cdrSourceStream =
new CdrInputStreamImpl(sourceStream);
cdrSourceStream.ConfigStream(0, new GiopVersion(1, 2));
cdrSourceStream.SetMaxLength((uint)sourceContent.Length);
IMessage result = null;
TestStringInterfaceImpl service = new TestStringInterfaceImpl();
try {
// object which should be called
string uri = "testuri";
RemotingServices.Marshal(service, uri);
// deserialise request message
result = ser.DeserialiseRequest(cdrSourceStream, new GiopVersion(1,2),
conDesc, InterceptorManager.EmptyInterceptorOptions);
} finally {
RemotingServices.Disconnect(service);
}
// now check if values are correct
Assert.IsTrue(result != null, "deserialised message is null");
object[] args = (object[])result.Properties[SimpleGiopMsg.ARGS_KEY];
Assert.IsTrue(args != null, "args is null");
Assert.AreEqual(1, args.Length);
Assert.AreEqual("test", args[0]);
}
/// <summary>creates a giop transport message handler, which accept request messages by delegating to receiver</summary>
/// <param name="serverThreadsMaxPerConnection">
/// the maximum number of server threads used for processing requests on a multiplexed client connection.
/// </param>
internal GiopReceivedRequestMessageDispatcher(IGiopRequestMessageReceiver receiver, GiopTransportMessageHandler msgHandler,
GiopConnectionDesc conDesc, int serverThreadsMaxPerConnection) {
m_serverCon = new GiopServerConnection(conDesc, this);
if (receiver != null) {
m_receiver = receiver;
} else {
throw new BAD_PARAM(400, CompletionStatus.Completed_MayBe);
}
m_msgHandler = msgHandler;
if (serverThreadsMaxPerConnection < 1) {
throw new BAD_PARAM(401, CompletionStatus.Completed_MayBe);
}
m_maxRequestsAllowedInParallel = serverThreadsMaxPerConnection;
}
internal AsyncProcessingData(IMessage reqMsg,
GiopConnectionDesc conDesc)
{
m_reqMsg = reqMsg;
m_conDesc = conDesc;
}
public void TestGiopConnectionDescCodeSetNotSet()
{
GiopConnectionDesc desc =
new GiopConnectionDesc(null, null);
Assert.IsTrue(
!desc.IsCodeSetNegotiated(), "Codeset not negotiated at construction time");
Assert.IsTrue(
!desc.IsCodeSetDefined(), "No codeset user defined at construction time");
}
public void TestReplySerialisation() {
// request msg the reply is for
MethodInfo methodToCall = typeof(TestService).GetMethod("Add");
object[] args = new object[] { ((Int32) 1), ((Int32) 2) };
string uri = "iiop://localhost:8087/testuri"; // Giop 1.2 will be used because no version spec in uri
GiopVersion version = new GiopVersion(1, 2);
TestMessage msg = new TestMessage(methodToCall, args, uri);
msg.Properties[SimpleGiopMsg.REQUEST_ID_KEY] = (uint)5;
msg.Properties[SimpleGiopMsg.GIOP_VERSION_KEY] = version;
msg.Properties[SimpleGiopMsg.CALLED_METHOD_KEY] = methodToCall;
msg.Properties[SimpleGiopMsg.IDL_METHOD_NAME_KEY] = methodToCall.Name; // done by serialization normally
// create a connection context
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// create the reply
ReturnMessage retMsg = new ReturnMessage((Int32) 3, new object[0], 0, null, msg);
MemoryStream targetStream = new MemoryStream();
m_handler.SerialiseOutgoingReplyMessage(retMsg, msg, version,
targetStream, conDesc);
// check to serialised stream
targetStream.Seek(0, SeekOrigin.Begin);
CdrInputStreamImpl cdrIn = new CdrInputStreamImpl(targetStream);
cdrIn.ConfigStream(0, new GiopVersion(1, 2));
// first is Giop-magic
byte data;
AssertBytesFollowing(m_giopMagic, cdrIn);
// Giop version
data = (byte) cdrIn.ReadOctet();
Assert.AreEqual(1, data);
data = (byte) cdrIn.ReadOctet();
Assert.AreEqual(2, data);
// flags: big-endian, no fragements
data = (byte) cdrIn.ReadOctet();
Assert.AreEqual(0, data);
// Giop Msg type: reply
data = (byte) cdrIn.ReadOctet();
Assert.AreEqual(1, data);
// Giop Msg length
uint msgLength = cdrIn.ReadULong();
cdrIn.SetMaxLength(msgLength);
// req-id
Assert.AreEqual(5, cdrIn.ReadULong());
// response status: NO_EXCEPTION
Assert.AreEqual(0, cdrIn.ReadULong());
// ignore service contexts
SkipServiceContexts(cdrIn);
// Giop 1.2, must be aligned on 8
cdrIn.ForceReadAlign(Aligns.Align8);
// now return value is following
Assert.AreEqual(3, cdrIn.ReadLong());
}
public void TestLocateRequestDeserialisation() {
MemoryStream sourceStream = new MemoryStream();
// prepare msg
uint requestId = 5;
GiopVersion version = new GiopVersion(1, 2);
CdrOutputStreamImpl cdrOut = new CdrOutputStreamImpl(sourceStream, 0,
version);
cdrOut.WriteOpaque(m_giopMagic);
// version
cdrOut.WriteOctet(version.Major);
cdrOut.WriteOctet(version.Minor);
// flags
cdrOut.WriteOctet(0);
// msg-type: request
cdrOut.WriteOctet((byte)GiopMsgTypes.LocateRequest);
// msg-length
cdrOut.WriteULong(22);
// request-id
cdrOut.WriteULong(requestId);
// target: key type
cdrOut.WriteULong(0);
cdrOut.WriteULong(10); // key length
byte[] objectKey = new byte[] { 116, 101, 115, 116, 111, 98, 106, 101, 99, 116 }; // testobject
cdrOut.WriteOpaque(objectKey);
// create a connection context: this is needed for request deserialisation
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// go to stream begin
sourceStream.Seek(0, SeekOrigin.Begin);
// deserialise request message
LocateRequestMessage result = m_handler.ParseIncomingLocateRequestMessage(sourceStream);
// now check if values are correct
Assert.IsTrue(result != null, "deserialised message is null");
Assert.AreEqual(requestId, result.RequestId);
Assert.NotNull(result.ObjectKey);
Assert.NotNull(result.TargetUri);
Assert.AreEqual("testobject", result.TargetUri);
}
/// <summary>registeres connections from received listen points. Those connections
/// can be used for callbacks.</summary>
/// <remarks>for use case (1)</remarks>
internal void RegisterBidirectionalConnection(GiopConnectionDesc receivedOnDesc,
Array receivedListenPoints) {
// ask transport factory to create the connection key for the listenPoints
for (int i = 0; i < receivedListenPoints.Length; i++) {
string conKey =
m_transportFactory.GetEndPointKeyForBidirEndpoint(receivedListenPoints.GetValue(i));
if (conKey != null) {
lock(this) {
if (!IsBidirConnectionAlreadyRegistered(conKey, receivedOnDesc)) {
// new / different connection for listen-point
GiopBidirInitiatedConnection connection =
new GiopBidirInitiatedConnection(conKey, receivedOnDesc.TransportHandler,
this);
Trace.WriteLine(String.Format("register bidirectional connection to {0}", conKey));
IList cons = (IList)m_bidirConnections[conKey];
if (cons == null) {
cons = new ArrayList();
m_bidirConnections[conKey] = cons;
}
cons.Add(connection);
RegisterConnection(conKey, connection); // register the new connection
SetConnectionAvailable(conKey, connection);
} else {
Trace.WriteLine(String.Format("received listen points for already registered bidirectional connection to {0}", conKey));
}
}
}
}
}
private bool IsBidirConnectionAlreadyRegistered(string conKey, GiopConnectionDesc receivedOnDesc) {
IList known = (IList)m_bidirConnections[conKey];
if (known != null) {
foreach (GiopClientConnection con in known) {
if (con.Desc.TransportHandler == receivedOnDesc.TransportHandler) {
return true; // received on same transport handler to the same target -> same connection.
}
}
}
return false;
}
/// <summary>
/// this method handles the incoming messages from one client;
/// it's called by the IServerListener
/// </summary>
private void ProcessClientMessages(IServerTransport transport)
{
GiopTransportMessageHandler handler =
new GiopTransportMessageHandler(transport, m_headerFlags);
GiopConnectionDesc conDesc = new GiopConnectionDesc(m_bidirConnectionManager, handler);
handler.InstallReceiver(m_transportSink, conDesc, m_serverThreadsMaxPerConnection);
handler.ConnectionClosed +=
new GiopTransportMessageHandler.ConnectionClosedDelegate(EndClientMessages);
lock (m_activeClients.SyncRoot)
{
m_activeClients.Add(handler);
Debug.WriteLine("added client; peer addr: " + handler.Transport.GetPeerAddress());
Debug.WriteLine("added client; new number of active: " + m_activeClients.Count);
}
handler.StartMessageReception();
}
public void TestGiopConnectionDescSetCodeSetNegotiated()
{
GiopConnectionDesc desc =
new GiopConnectionDesc(null, null);
desc.SetCodeSetNegotiated();
Assert.IsTrue(
desc.IsCodeSetNegotiated(),"Codeset negotiated");
Assert.IsTrue(
!desc.IsCodeSetDefined(),"Codeset not user defined");
}
public void TestGiopConnectionDescSetCodeSet()
{
int charSet = 0x5010001;
int wcharSet = 0x10100;
GiopConnectionDesc desc =
new GiopConnectionDesc(null, null);
desc.SetNegotiatedCodeSets(charSet, wcharSet);
Assert.IsTrue(
desc.IsCodeSetNegotiated(),"Codeset negotiated");
Assert.AreEqual(charSet, desc.CharSet,"char set");
Assert.AreEqual(wcharSet, desc.WCharSet,"wchar set");
Assert.IsTrue(desc.IsCodeSetDefined(),"Codeset user defined");
}
public void TestRequestDeserialisation() {
MemoryStream sourceStream = new MemoryStream();
// prepare msg
uint requestId = 5;
byte responseFlags = 3;
string methodName = "Add";
int nrOfArgs = 2;
int arg1 = 1;
int arg2 = 2;
GiopVersion version = new GiopVersion(1, 2);
CdrOutputStreamImpl cdrOut = new CdrOutputStreamImpl(sourceStream, 0,
version);
cdrOut.WriteOpaque(m_giopMagic);
// version
cdrOut.WriteOctet(version.Major);
cdrOut.WriteOctet(version.Minor);
// flags
cdrOut.WriteOctet(0);
// msg-type: request
cdrOut.WriteOctet(0);
// msg-length
cdrOut.WriteULong(68);
// request-id
cdrOut.WriteULong(requestId);
// response-flags
cdrOut.WriteOctet(responseFlags);
cdrOut.WritePadding(3);
// target: key type
cdrOut.WriteULong(0);
cdrOut.WriteULong(10); // key length
cdrOut.WriteOpaque(new byte[] { 116, 101, 115, 116, 111, 98, 106, 101, 99, 116 }); // testobject
// method name
cdrOut.WriteString(methodName);
// no service contexts
cdrOut.WriteULong(0);
cdrOut.ForceWriteAlign(Aligns.Align8);
// parameters
cdrOut.WriteLong(arg1);
cdrOut.WriteLong(arg2);
// create a connection context: this is needed for request deserialisation
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// go to stream begin
sourceStream.Seek(0, SeekOrigin.Begin);
IMessage result = null;
TestService service = new TestService();
try {
// object which should be called
string uri = "testobject";
RemotingServices.Marshal(service, uri);
// deserialise request message
result = m_handler.ParseIncomingRequestMessage(sourceStream, conDesc);
} catch (RequestDeserializationException e) {
throw e;
} finally {
RemotingServices.Disconnect(service);
}
// now check if values are correct
Assert.IsTrue(result != null, "deserialised message is null");
Assert.AreEqual(requestId, result.Properties[SimpleGiopMsg.REQUEST_ID_KEY]);
Assert.AreEqual(version, result.Properties[SimpleGiopMsg.GIOP_VERSION_KEY]);
Assert.AreEqual(responseFlags, result.Properties[SimpleGiopMsg.RESPONSE_FLAGS_KEY]);
Assert.AreEqual("testobject", result.Properties[SimpleGiopMsg.URI_KEY]);
Assert.AreEqual("Ch.Elca.Iiop.Tests.TestService", result.Properties[SimpleGiopMsg.TYPENAME_KEY]);
Assert.AreEqual(methodName, result.Properties[SimpleGiopMsg.METHODNAME_KEY]);
object[] args = (object[])result.Properties[SimpleGiopMsg.ARGS_KEY];
Assert.IsTrue(args != null, "args is null");
Assert.AreEqual(nrOfArgs, args.Length);
Assert.AreEqual(arg1, args[0]);
Assert.AreEqual(arg2, args[1]);
}
internal AsyncProcessingData(IMessage reqMsg,
GiopConnectionDesc conDesc) {
m_reqMsg = reqMsg;
m_conDesc = conDesc;
}
public void TestLocateReplySerialisation() {
uint requestId = 5;
byte[] objectKey = new byte[] { 116, 101, 115, 116, 111, 98, 106, 101, 99, 116 }; // testobject
string targetUri = "testobject";
GiopVersion version = new GiopVersion(1, 2);
LocateRequestMessage locReq = new LocateRequestMessage(requestId, objectKey, targetUri);
// create a connection context
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// create the reply
LocateStatus replyStatus = LocateStatus.OBJECT_HERE;
LocateReplyMessage locReply = new LocateReplyMessage(replyStatus);
MemoryStream targetStream = new MemoryStream();
m_handler.SerialiseOutgoingLocateReplyMessage(locReply, locReq, version, targetStream, conDesc);
// check to serialised stream
targetStream.Seek(0, SeekOrigin.Begin);
CdrInputStreamImpl cdrIn = new CdrInputStreamImpl(targetStream);
cdrIn.ConfigStream(0, version);
// first is Giop-magic
byte data;
AssertBytesFollowing(m_giopMagic, cdrIn);
// Giop version
data = (byte) cdrIn.ReadOctet();
Assert.AreEqual(1, data);
data = (byte) cdrIn.ReadOctet();
Assert.AreEqual(2, data);
// flags: big-endian, no fragements
data = (byte) cdrIn.ReadOctet();
Assert.AreEqual(0, data);
// Giop Msg type: locate reply
data = (byte) cdrIn.ReadOctet();
Assert.AreEqual((byte)GiopMsgTypes.LocateReply, data);
// Giop Msg length
uint msgLength = cdrIn.ReadULong();
cdrIn.SetMaxLength(msgLength);
// req-id
Assert.AreEqual(requestId, cdrIn.ReadULong());
// the location status
Assert.AreEqual((uint)replyStatus, cdrIn.ReadULong());
}
public void TestWCharSetNotDefinedServer() {
byte[] sourceContent =
new byte[] {
0, 0, 0, 5, 3, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 7, 116, 101, 115, 116,
117, 114, 105, 0,
0, 0, 0, 12, 69, 99, 104, 111,
87, 83, 116, 114, 105, 110, 103, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 8, 0, 116, 0, 101,
0, 115, 0, 116};
MemoryStream sourceStream =
new MemoryStream(sourceContent);
// create a connection context: this is needed for request deserialisation
GiopConnectionDesc conDesc = new GiopConnectionDesc(null, null);
// go to stream begin
sourceStream.Seek(0, SeekOrigin.Begin);
GiopMessageBodySerialiser ser = new GiopMessageBodySerialiser(
new ArgumentsSerializerFactory(m_serFactory));
CdrInputStreamImpl cdrSourceStream =
new CdrInputStreamImpl(sourceStream);
cdrSourceStream.ConfigStream(0, new GiopVersion(1, 2));
cdrSourceStream.SetMaxLength((uint)sourceContent.Length);
IMessage result = null;
TestStringInterfaceImpl service = new TestStringInterfaceImpl();
try {
// object which should be called
string uri = "testuri";
RemotingServices.Marshal(service, uri);
// deserialise request message
result = ser.DeserialiseRequest(cdrSourceStream, new GiopVersion(1,2),
conDesc, InterceptorManager.EmptyInterceptorOptions);
Assert.Fail("no exception, although code set not set");
} catch (RequestDeserializationException rde) {
Assert.NotNull(rde.Reason, "rde inner exception");
Assert.AreEqual(typeof(BAD_PARAM), rde.Reason.GetType(), "rde type");
} finally {
RemotingServices.Disconnect(service);
}
}
internal GiopServerConnection(GiopConnectionDesc conDesc,
GiopReceivedRequestMessageDispatcher msgDispatcher)
{
m_conDesc = conDesc;
m_msgDispatcher = msgDispatcher;
}
internal GiopServerConnection(GiopConnectionDesc conDesc,
GiopReceivedRequestMessageDispatcher msgDispatcher)
{
m_conDesc = conDesc;
m_msgDispatcher = msgDispatcher;
}
