/// <summary>
/// create a close connection message
/// </summary>
/// <param name="version"></param>
/// <returns></returns>
private Stream PrepareMessageCloseMessage(GiopVersion version)
{
Debug.WriteLine("create a close connection message");
Stream targetStream = new MemoryStream();
GiopHeader header = new GiopHeader(version.Major, version.Minor, m_headerFlags, GiopMsgTypes.CloseConnection);
header.WriteToStream(targetStream, 0);
targetStream.Seek(0, SeekOrigin.Begin);
return(targetStream);
}
internal FragmentedMsgDesc(CdrInputStreamImpl firstFragment, int nrOfBytesFromCurrentPos,
GiopHeader header, uint reqId) {
m_target = new MemoryStream();
m_header = header;
CdrOutputStream outputStream =
header.WriteToStream(m_target, (uint)nrOfBytesFromCurrentPos); // place-holder header
outputStream.WriteULong(reqId); // add req-id, because already read
AddFragment(firstFragment, nrOfBytesFromCurrentPos);
}
internal FragmentedMsgDesc(CdrInputStreamImpl firstFragment, int nrOfBytesFromCurrentPos,
GiopHeader header, uint reqId)
{
m_target = new MemoryStream();
m_header = header;
CdrOutputStream outputStream =
header.WriteToStream(m_target, (uint)nrOfBytesFromCurrentPos); // place-holder header
outputStream.WriteULong(reqId); // add req-id, because already read
AddFragment(firstFragment, nrOfBytesFromCurrentPos);
}
internal void AddLastFragment(CdrInputStreamImpl fragmentToAdd, int nrOfBytesFromCurrentPos)
{
AddFragment(fragmentToAdd, nrOfBytesFromCurrentPos);
// write adapted header
m_target.Seek(0, SeekOrigin.Begin);
m_newHeader = new GiopHeader(Header.Version.Major,
Header.Version.Minor,
(byte)(Header.GiopFlags ^ GiopHeader.FRAGMENT_MASK),
Header.GiopType);
m_newHeader.WriteToStream(m_target,
((uint)m_target.Length) - GiopHeader.HEADER_LENGTH);
m_target.Seek(0, SeekOrigin.Begin);
}
/// <summary>
/// create a close connection message
/// </summary>
/// <param name="version"></param>
/// <returns></returns>
private Stream PrepareMessageCloseMessage(GiopVersion version) {
Debug.WriteLine("create a close connection message");
Stream targetStream = new MemoryStream();
GiopHeader header = new GiopHeader(version.Major, version.Minor, m_headerFlags, GiopMsgTypes.CloseConnection);
header.WriteToStream(targetStream, 0);
targetStream.Seek(0, SeekOrigin.Begin);
return targetStream;
}
private uint AddFinishFragment(CdrOutputStreamImpl targetStream, GiopVersion version,
byte endianFlags, uint reqId, uint reqContentLength,
uint offsetInMsg) {
byte giopFlags = endianFlags; // no more fragments
GiopHeader fragmentHeader = new GiopHeader(version.Major, version.Minor,
endianFlags, GiopMsgTypes.Request);
uint contentLength = 0;
if (!((version.Major == 1) && (version.Minor <= 1))) {
// GIOP 1.2
contentLength = 4 + reqContentLength;
} else {
contentLength = reqContentLength;
}
fragmentHeader.WriteToStream(targetStream, contentLength);
if (!((version.Major == 1) && (version.Minor <= 1))) {
// GIOP 1.2
targetStream.WriteULong(reqId);
}
// more is not needed to write a correct GIOP-message for this test from here
for (uint i = offsetInMsg; i < (offsetInMsg + reqContentLength); i++) {
targetStream.WriteOctet((byte)(i % 255));
}
return offsetInMsg + reqContentLength;
}
/// <param name="fragmentContentBlocks">the nr of 4 byte blocks in the content;
/// must be even for GIOP 1.2</param>
private CdrOutputStreamImpl AddStartMsg(Stream targetStream, GiopVersion version,
byte endianFlags, uint reqId,
uint fragmentContentBlocks, out uint offsetInMsg) {
byte giopFlags = (byte)(endianFlags | ((byte)2)); // more fragments
CdrOutputStreamImpl cdrOut = new CdrOutputStreamImpl(targetStream, endianFlags,
version);
GiopHeader startHeader = new GiopHeader(version.Major, version.Minor,
giopFlags, GiopMsgTypes.Request);
uint contentLength = 0;
if (!((version.Major == 1) && (version.Minor <= 1))) {
// GIOP 1.2
contentLength = (uint)(4 + (fragmentContentBlocks * 4));
} else {
contentLength = (uint)(8 + (fragmentContentBlocks * 4));
}
startHeader.WriteToStream(cdrOut, contentLength);
if ((version.Major == 1) && (version.Minor == 1)) {
// GIOP 1.1: add service context list here
cdrOut.WriteULong(0); // no contexts
}
cdrOut.WriteULong(reqId); // request id
// more is not needed to write a correct GIOP-message for this test from here
for (uint i = 0; i < fragmentContentBlocks * 4; i++) {
cdrOut.WriteOctet((byte)(i % 255));
}
offsetInMsg = fragmentContentBlocks * 4;
return cdrOut;
}
internal void AddLastFragment(CdrInputStreamImpl fragmentToAdd, int nrOfBytesFromCurrentPos) {
AddFragment(fragmentToAdd, nrOfBytesFromCurrentPos);
// write adapted header
m_target.Seek(0, SeekOrigin.Begin);
m_newHeader = new GiopHeader(Header.Version.Major,
Header.Version.Minor,
(byte)(Header.GiopFlags ^ GiopHeader.FRAGMENT_MASK),
Header.GiopType);
m_newHeader.WriteToStream(m_target,
((uint)m_target.Length) - GiopHeader.HEADER_LENGTH);
m_target.Seek(0, SeekOrigin.Begin);
}