void CNetDDESvrApp::OnDDEDestroyConversation(CNetDDESvrSocket& oConnection, CNetDDEPacket& oReqPacket)
{
ASSERT(oReqPacket.DataType() == CNetDDEPacket::DDE_DESTROY_CONVERSATION);
HCONV hConv;
uint32 nConvID;
// Decode message.
CMemStream oStream(oReqPacket.Buffer());
oStream.Open();
oStream.Seek(sizeof(CNetDDEPacket::Header));
oStream.Read(&hConv, sizeof(hConv));
oStream >> nConvID;
oStream.Close();
if (App.m_bTraceConvs)
App.Trace(TXT("DDE_DESTROY_CONVERSATION: 0x%p [#%u]"), hConv, nConvID);
// Locate the conversation.
CDDECltConv* pConv = m_pDDEClient->FindConversation(hConv);
if (pConv != NULL)
{
CNetDDEConv* pNetConv = oConnection.FindNetConv(pConv, nConvID);
ASSERT(pNetConv != NULL);
try
{
// Not final reference?
if (pNetConv->m_pSvrConv->RefCount() != 1)
{
// Destroy NetDDE conversations' links.
for (size_t i = 0; i < pNetConv->m_aoLinks.Size(); ++i)
pConv->DestroyLink(pNetConv->m_aoLinks[i]);
}
// Purge link cache, if last reference.
if (pNetConv->m_pSvrConv->RefCount() == 1)
m_oLinkCache.Purge(pConv);
// Call DDE to terminate the conversation.
m_pDDEClient->DestroyConversation(pConv);
}
catch (CDDEException& e)
{
App.Trace(TXT("DDE_ERROR: %s"), e.twhat());
}
// Detach from the connection.
oConnection.m_aoNetConvs.Delete(oConnection.m_aoNetConvs.Find(pNetConv));
}
}
void CNetDDESvrApp::OnDDEStopAdvise(CNetDDESvrSocket& oConnection, CNetDDEPacket& oReqPacket)
{
ASSERT(oReqPacket.DataType() == CNetDDEPacket::DDE_STOP_ADVISE);
HCONV hConv;
uint32 nConvID;
CString strItem;
uint32 nFormat;
// Decode message.
CMemStream oStream(oReqPacket.Buffer());
oStream.Open();
oStream.Seek(sizeof(CNetDDEPacket::Header));
oStream.Read(&hConv, sizeof(hConv));
oStream >> nConvID;
oStream >> strItem;
oStream >> nFormat;
oStream.Close();
if (App.m_bTraceAdvises)
App.Trace(TXT("DDE_STOP_ADVISE: %s %s"), strItem, CClipboard::FormatName(nFormat));
// Locate the conversation.
CDDECltConv* pConv = m_pDDEClient->FindConversation(hConv);
if (pConv != NULL)
{
// Locate the link. (May not exist, if async advised).
CDDELink* pLink = pConv->FindLink(strItem, nFormat);
if (pLink != NULL)
{
CNetDDEConv* pNetConv = oConnection.FindNetConv(pConv, nConvID);
ASSERT(pNetConv != NULL);
try
{
// Call DDE to destroy the link.
pConv->DestroyLink(pLink);
}
catch (CDDEException& e)
{
App.Trace(TXT("DDE_ERROR: %s"), e.twhat());
}
// Detach from the connection.
pNetConv->m_aoLinks.Remove(pNetConv->m_aoLinks.Find(pLink));
}
}
}