DDE::IDDECltConv* CDDEClient::FindConversation(HCONV hConv) const
{
// Search the conversation list.
for (size_t i = 0, n = m_aoConvs.size(); i != n; ++i)
{
CDDECltConv* pConv = static_cast<CDDECltConv*>(m_aoConvs[i]);
if (pConv->Handle() == hConv)
return pConv;
}
return nullptr;
}
void CNetDDESvrApp::OnDDECreateConversation(CNetDDESvrSocket& oConnection, CNetDDEPacket& oReqPacket)
{
ASSERT(oReqPacket.DataType() == CNetDDEPacket::DDE_CREATE_CONVERSATION);
bool bResult = false;
CString strService;
CString strTopic;
HCONV hConv = NULL;
uint32 nConvID = m_nNextConvID++;
// Decode request message.
CMemStream oReqStream(oReqPacket.Buffer());
oReqStream.Open();
oReqStream.Seek(sizeof(CNetDDEPacket::Header));
oReqStream >> strService;
oReqStream >> strTopic;
oReqStream.Close();
if (App.m_bTraceConvs)
App.Trace(TXT("DDE_CREATE_CONVERSATION: %s %s [#%u]"), strService, strTopic, nConvID);
try
{
// Call DDE to create the conversation.
CDDECltConv* pConv = m_pDDEClient->CreateConversation(strService, strTopic);
bResult = true;
hConv = pConv->Handle();
// Attach to the connection.
oConnection.m_aoNetConvs.Add(new CNetDDEConv(pConv, nConvID));
// Apply settings.
pConv->SetTimeout(App.m_nDDETimeOut);
}
catch (CDDEException& e)
{
App.Trace(TXT("DDE_ERROR: %s"), e.twhat());
}
// Create response message.
CBuffer oRspBuffer;
CMemStream oRspStream(oRspBuffer);
oRspStream.Create();
oRspStream << bResult;
oRspStream.Write(&hConv, sizeof(hConv));
oRspStream << nConvID;
oRspStream.Close();
// Send response message.
CNetDDEPacket oRspPacket(CNetDDEPacket::DDE_CREATE_CONVERSATION, oReqPacket.PacketID(), oRspBuffer);
oConnection.SendPacket(oRspPacket);
// Update stats.
++m_nPktsSent;
}