Windows2003-3790/enduser/netmeeting/core/imember.cpp
2020-09-30 16:53:55 +02:00

382 lines
8.5 KiB
C++

// File: iMember.cpp
//
// INmMember interface (participant routines)
#include "precomp.h"
#include "imember.h"
#include "rostinfo.h"
#include "imanager.h" // for g_pNodeController
/* C N M M E M B E R */
/*-------------------------------------------------------------------------
%%Function: CNmMember Constructor
-------------------------------------------------------------------------*/
CNmMember::CNmMember(PWSTR pwszName, DWORD dwGCCID, DWORD dwFlags, ULONG uCaps,
REFGUID rguidNode, PVOID pwszUserInfo, UINT cbUserInfo) :
m_bstrName (SysAllocString(pwszName)),
m_dwGCCID (dwGCCID),
m_dwFlags (dwFlags),
m_uCaps (uCaps),
m_guidNode (rguidNode),
m_cbUserInfo (cbUserInfo),
m_uNmchCaps (0),
m_dwGccIdParent(INVALID_GCCID),
m_pwszUserInfo (NULL),
m_pConnection(NULL)
{
// Local state never changes
m_fLocal = 0 != (PF_LOCAL_NODE & m_dwFlags);
// check to see if we have the right GUID for local member
// guid will be NULL if we have H323 disabled.
ASSERT (!m_fLocal || (GUID_NULL == rguidNode) || (g_guidLocalNodeId == rguidNode));
SetUserInfo(pwszUserInfo, cbUserInfo);
DbgMsg(iZONE_OBJECTS, "Obj: %08X created CNmMember", this);
}
CNmMember::~CNmMember(void)
{
SysFreeString(m_bstrName);
delete m_pwszUserInfo;
if(m_pConnection)
m_pConnection->Release();
DbgMsg(iZONE_OBJECTS, "Obj: %08X destroyed CNmMember", this);
}
VOID CNmMember::SetGccIdParent(DWORD dwGccId)
{
m_dwGccIdParent = dwGccId;
if (0 == dwGccId)
{
// No Parent means this is the Top Provider
m_dwFlags |= PF_T120_TOP_PROV;
}
else
{
m_dwFlags &= ~PF_T120_TOP_PROV;
}
}
VOID CNmMember::SetUserInfo(PVOID pwszUserInfo, UINT cbUserInfo)
{
// clear out any previous data
delete m_pwszUserInfo;
m_cbUserInfo = 0;
if (0 == cbUserInfo)
{
m_pwszUserInfo = NULL;
}
else
{
m_pwszUserInfo = (PWSTR) new BYTE[cbUserInfo];
if (NULL == m_pwszUserInfo)
{
WARNING_OUT(("CNmMember: unable to alloc space for user data"));
}
else
{
m_cbUserInfo = cbUserInfo;
CopyMemory(m_pwszUserInfo, pwszUserInfo, m_cbUserInfo);
}
}
}
BOOL CNmMember::GetSecurityData(PBYTE * ppb, ULONG * pcb)
{
DWORD dwGCCID = FLocal() ? 0 : GetGCCID();
(* pcb) = 0;
(* ppb) = NULL;
// If this node is directly connected to the member, we use the transport data...
if (::T120_GetSecurityInfoFromGCCID(dwGCCID,NULL,pcb)) {
if (0 != (* pcb)) {
// We are directly connected and security data is valid.
(*ppb) = (PBYTE)CoTaskMemAlloc(*pcb);
if ((*ppb) != NULL)
{
::T120_GetSecurityInfoFromGCCID(dwGCCID,*ppb,pcb);
return TRUE;
}
else
{
ERROR_OUT(("CoTaskMemAlloc failed in GetSecurityData"));
}
}
else if (GetUserData(g_csguidSecurity,ppb,pcb) == S_OK)
{
// We are not directly connected, so get security data from roster.
return TRUE;
}
}
return FALSE;
}
HRESULT CNmMember::ExtractUserData(LPTSTR psz, UINT cchMax, PWSTR pwszKey)
{
CRosterInfo ri;
HRESULT hr = ri.Load(GetUserInfo());
if (FAILED(hr))
return hr;
hr = ri.ExtractItem(NULL, pwszKey, psz, cchMax);
return hr;
}
HRESULT CNmMember::GetIpAddr(LPTSTR psz, UINT cchMax)
{
return ExtractUserData(psz, cchMax, (PWSTR) g_cwszIPTag);
}
///////////////////////////
// CNmMember:IUknown
ULONG STDMETHODCALLTYPE CNmMember::AddRef(void)
{
DBGENTRY(CNmMember::AddRef);
TRACE_OUT(("CNmMember [%ls]: AddRef this = 0x%X", m_bstrName ? m_bstrName : L"", this));
ULONG ul = RefCount::AddRef();
DBGEXIT(CNmMember::AddRef);
return ul;
}
ULONG STDMETHODCALLTYPE CNmMember::Release(void)
{
DBGENTRY(CNmMember::Release);
TRACE_OUT(("CNmMember [%ls]: Release this = 0x%X", m_bstrName ? m_bstrName : L"", this));
ULONG ul = RefCount::Release();
DBGEXIT(CNmMember::Release);
return ul;
}
HRESULT STDMETHODCALLTYPE CNmMember::QueryInterface(REFIID riid, PVOID *ppv)
{
HRESULT hr = S_OK;
if ((riid == IID_INmMember) || (riid == IID_IUnknown))
{
*ppv = (INmMember *)this;
ApiDebugMsg(("CNmMember::QueryInterface()"));
}
else
{
hr = E_NOINTERFACE;
*ppv = NULL;
ApiDebugMsg(("CNmMember::QueryInterface(): Called on unknown interface."));
}
if (S_OK == hr)
{
AddRef();
}
return hr;
}
///////////////
// INmMember
HRESULT STDMETHODCALLTYPE CNmMember::GetName(BSTR *pbstrName)
{
if (NULL == pbstrName)
return E_POINTER;
*pbstrName = SysAllocString(m_bstrName);
return *pbstrName ? S_OK : E_FAIL;
}
HRESULT STDMETHODCALLTYPE CNmMember::GetID(ULONG *puID)
{
if (NULL == puID)
return E_POINTER;
*puID = m_dwGCCID;
return (0 != m_dwGCCID) ? S_OK : NM_E_NO_T120_CONFERENCE;
}
HRESULT STDMETHODCALLTYPE CNmMember::GetNmVersion(ULONG *puVersion)
{
if (NULL == puVersion)
return E_POINTER;
*puVersion = (ULONG) HIWORD(m_dwFlags & PF_VER_MASK);
return S_OK;
}
HRESULT STDMETHODCALLTYPE CNmMember::GetAddr(BSTR *pbstrAddr, NM_ADDR_TYPE *puType)
{
if ((NULL == pbstrAddr) || (NULL == puType))
return E_POINTER;
TCHAR szIp[MAX_PATH];
if (S_OK != GetIpAddr(szIp, CCHMAX(szIp)))
{
return E_FAIL;
}
*puType = NM_ADDR_IP;
*pbstrAddr = SysAllocString(CUSTRING(szIp));
return *pbstrAddr ? S_OK : E_FAIL;
}
HRESULT STDMETHODCALLTYPE CNmMember::SetUserData(REFGUID rguid, BYTE *pb, ULONG cb)
{
return m_UserData.AddUserData((GUID *)&rguid,(unsigned short)cb,pb);
}
HRESULT STDMETHODCALLTYPE CNmMember::GetUserData(REFGUID rguid, BYTE **ppb, ULONG *pcb)
{
return m_UserData.GetUserData(rguid,ppb,pcb);
}
STDMETHODIMP CNmMember::GetConference(INmConference **ppConference)
{
return ::GetConference(ppConference);
}
HRESULT STDMETHODCALLTYPE CNmMember::GetNmchCaps(ULONG *puCaps)
{
if (NULL == puCaps)
return E_POINTER;
if (m_dwFlags & PF_T120)
{
// this can be removed when NMCH_SHARE and NMCH_DATA is reliable
*puCaps = m_uNmchCaps | NMCH_SHARE | NMCH_DATA;
}
else
{
*puCaps = m_uNmchCaps;
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE CNmMember::GetShareState(NM_SHARE_STATE *puState)
{
return(E_FAIL);
}
HRESULT STDMETHODCALLTYPE CNmMember::IsSelf(void)
{
return m_fLocal ? S_OK : S_FALSE;
}
HRESULT STDMETHODCALLTYPE CNmMember::IsMCU(void)
{
return (m_dwFlags & PF_T120_MCU) ? S_OK : S_FALSE;
}
HRESULT STDMETHODCALLTYPE CNmMember::Eject(void)
{
if (m_fLocal)
return E_FAIL; // can't eject ourselves.
if (PF_T120 & m_dwFlags)
{
CNmMember * pMemberLocal = GetLocalMember();
if ((NULL == pMemberLocal) || !pMemberLocal->FTopProvider())
return E_FAIL; // only top providers should be allowed to do this
CConfObject * pco = ::GetConfObject();
if (NULL != pco)
{
ASSERT(g_pNodeController);
ASSERT(pco->GetConfHandle());
pco->GetConfHandle()->EjectUser(m_dwGCCID);
}
}
if (NULL != m_pConnection)
{
HRESULT hr = m_pConnection->Disconnect();
if (FAILED(hr))
{
WARNING_OUT(("m_pConnection->Disconnect() failed - hr = %s",
::GetHRESULTString(hr)));
}
}
return S_OK;
}
///////////////////////////////////////////////////////////////////////
// Utility Functions
/* G E T L O C A L M E M B E R */
/*-------------------------------------------------------------------------
%%Function: GetLocalMember
-------------------------------------------------------------------------*/
CNmMember * GetLocalMember(void)
{
CConfObject * pco = ::GetConfObject();
if (NULL == pco)
return NULL;
return pco->GetLocalMember();
}
/* P M E M B E R F R O M G C C I D */
/*-------------------------------------------------------------------------
%%Function: PMemberFromGCCID
-------------------------------------------------------------------------*/
CNmMember * PMemberFromGCCID(UINT uNodeID)
{
CConfObject* pco = ::GetConfObject();
if (NULL == pco)
return NULL;
return pco->PMemberFromGCCID(uNodeID);
}
/* P M E M B E R F R O M N O D E G U I D */
/*-------------------------------------------------------------------------
%%Function: PMemberFromNodeGuid
-------------------------------------------------------------------------*/
CNmMember * PMemberFromNodeGuid(REFGUID rguidNode)
{
CConfObject* pco = ::GetConfObject();
if (NULL == pco)
return NULL;
return pco->PMemberFromNodeGuid(rguidNode);
}
CNmMember * PDataMemberFromName(PCWSTR pwszName)
{
CConfObject* pco = ::GetConfObject();
if (NULL == pco)
return NULL;
return pco->PDataMemberFromName(pwszName);
}