blob: d4db51fb19dfa7d41f50a568fe1289d0bca4a388 [file] [log] [blame]
/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#ifndef __MSPUTILS_H_
#define __MSPUTILS_H_
#if _ATL_VER >= 0x0300
#define DECLARE_VQI()
#else
#define DECLARE_VQI() STDMETHOD(QueryInterface)(REFIID iid,void **ppvObject) = 0; STDMETHOD_(ULONG,AddRef)() = 0; STDMETHOD_(ULONG,Release)() = 0;
#endif
#define MSP_(hr) (FAILED(hr)?MSP_ERROR:MSP_TRACE)
extern __inline WINBOOL IsValidAggregatedMediaType(DWORD dwAggregatedMediaType) {
const DWORD dwAllPossibleMediaTypes = TAPIMEDIATYPE_AUDIO | TAPIMEDIATYPE_VIDEO | TAPIMEDIATYPE_DATAMODEM | TAPIMEDIATYPE_G3FAX | TAPIMEDIATYPE_MULTITRACK;
WINBOOL bValidMediaType = FALSE;
if((0==(dwAggregatedMediaType & dwAllPossibleMediaTypes)) || (0!=(dwAggregatedMediaType & (~dwAllPossibleMediaTypes)))) {
bValidMediaType = FALSE;
} else {
bValidMediaType = TRUE;
}
return bValidMediaType;
}
extern __inline WINBOOL IsSingleMediaType(DWORD dwMediaType) { return !((dwMediaType==0) || ((dwMediaType & (dwMediaType - 1))!=0)); }
extern __inline WINBOOL IsValidSingleMediaType(DWORD dwMediaType,DWORD dwMask) { return IsSingleMediaType(dwMediaType) && ((dwMediaType & dwMask)==dwMediaType); }
const DWORD INITIAL = 8;
const DWORD DELTA = 8;
template <class T,DWORD dwInitial = INITIAL,DWORD dwDelta = DELTA> class CMSPArray {
protected:
T *m_aT;
int m_nSize;
int m_nAllocSize;
public:
CMSPArray() : m_aT(NULL),m_nSize(0),m_nAllocSize(0) { }
~CMSPArray() { RemoveAll(); }
int GetSize() const { return m_nSize; }
WINBOOL Grow() {
T *aT;
int nNewAllocSize = (m_nAllocSize==0) ? dwInitial : (m_nSize + DELTA);
aT = (T *)realloc(m_aT,nNewAllocSize *sizeof(T));
if(!aT) return FALSE;
m_nAllocSize = nNewAllocSize;
m_aT = aT;
return TRUE;
}
WINBOOL Add(T &t) {
if(m_nSize==m_nAllocSize) {
if(!Grow()) return FALSE;
}
m_nSize++;
SetAtIndex(m_nSize - 1,t);
return TRUE;
}
WINBOOL Remove(T &t) {
int nIndex = Find(t);
if(nIndex==-1) return FALSE;
return RemoveAt(nIndex);
}
WINBOOL RemoveAt(int nIndex) {
if(nIndex!=(m_nSize - 1))
memmove((void*)&m_aT[nIndex],(void*)&m_aT[nIndex + 1],(m_nSize - (nIndex + 1))*sizeof(T));
m_nSize--;
return TRUE;
}
void RemoveAll() {
if(m_nAllocSize > 0) {
free(m_aT);
m_aT = NULL;
m_nSize = 0;
m_nAllocSize = 0;
}
}
T &operator[] (int nIndex) const {
_ASSERTE(nIndex >= 0 && nIndex < m_nSize);
return m_aT[nIndex];
}
T *GetData() const { return m_aT; }
void SetAtIndex(int nIndex,T &t) {
_ASSERTE(nIndex >= 0 && nIndex < m_nSize);
m_aT[nIndex] = t;
}
int Find(T &t) const {
for(int i = 0;i < m_nSize;i++) {
if(m_aT[i]==t) return i;
}
return -1;
}
};
class CMSPCritSection {
private:
CRITICAL_SECTION m_CritSec;
public:
CMSPCritSection() { InitializeCriticalSection(&m_CritSec); }
~CMSPCritSection() { DeleteCriticalSection(&m_CritSec); }
void Lock() { EnterCriticalSection(&m_CritSec); }
WINBOOL TryLock() { return TryEnterCriticalSection(&m_CritSec); }
void Unlock() { LeaveCriticalSection(&m_CritSec); }
};
class CLock {
private:
CMSPCritSection &m_CriticalSection;
public:
CLock(CMSPCritSection &CriticalSection) : m_CriticalSection(CriticalSection) {
m_CriticalSection.Lock();
}
~CLock() { m_CriticalSection.Unlock(); }
};
class CCSLock {
private:
CRITICAL_SECTION *m_pCritSec;
public:
CCSLock(CRITICAL_SECTION *pCritSec) : m_pCritSec(pCritSec) {
EnterCriticalSection(m_pCritSec);
}
~CCSLock() { LeaveCriticalSection(m_pCritSec); }
};
#ifndef CONTAINING_RECORD
#define CONTAINING_RECORD(address,type,field) ((type *)((PCHAR)(address) - (ULONG_PTR)(&((type *)0)->field)))
#endif
#ifndef InitializeListHead
#define InitializeListHead(ListHead) ((ListHead)->Flink = (ListHead)->Blink = (ListHead))
#define IsListEmpty(ListHead) ((ListHead)->Flink==(ListHead))
#define RemoveHeadList(ListHead) (ListHead)->Flink; {RemoveEntryList((ListHead)->Flink)}
#define RemoveTailList(ListHead) (ListHead)->Blink; {RemoveEntryList((ListHead)->Blink)}
#define RemoveEntryList(Entry) { PLIST_ENTRY _EX_Blink; PLIST_ENTRY _EX_Flink; _EX_Flink = (Entry)->Flink; _EX_Blink = (Entry)->Blink; _EX_Blink->Flink = _EX_Flink; _EX_Flink->Blink = _EX_Blink; }
#define InsertTailList(ListHead,Entry) { PLIST_ENTRY _EX_Blink; PLIST_ENTRY _EX_ListHead; _EX_ListHead = (ListHead); _EX_Blink = _EX_ListHead->Blink; (Entry)->Flink = _EX_ListHead; (Entry)->Blink = _EX_Blink; _EX_Blink->Flink = (Entry); _EX_ListHead->Blink = (Entry); }
#define InsertHeadList(ListHead,Entry) { PLIST_ENTRY _EX_Flink; PLIST_ENTRY _EX_ListHead; _EX_ListHead = (ListHead); _EX_Flink = _EX_ListHead->Flink; (Entry)->Flink = _EX_Flink; (Entry)->Blink = _EX_ListHead; _EX_Flink->Blink = (Entry); _EX_ListHead->Flink = (Entry); }
WINBOOL IsNodeOnList(PLIST_ENTRY ListHead,PLIST_ENTRY Entry);
#endif
template <class T> ULONG MSPAddRefHelper (T *pMyThis) {
LOG((MSP_INFO,"MSPAddRefHelper - this = 0x%08x",pMyThis));
typedef CComAggObject<T> AggClass;
AggClass *p = CONTAINING_RECORD(pMyThis,AggClass,m_contained);
return p->AddRef();
}
template <class T> ULONG MSPReleaseHelper (T *pMyThis) {
LOG((MSP_INFO,"MSPReleaseHelper - this = 0x%08x",pMyThis));
typedef CComAggObject<T> AggClass;
AggClass *p = CONTAINING_RECORD(pMyThis,AggClass,m_contained);
return p->Release();
}
#include <objsafe.h>
class CMSPObjectSafetyImpl : public IObjectSafety {
public:
CMSPObjectSafetyImpl() : m_dwSafety(0) { }
enum {
SUPPORTED_SAFETY_OPTIONS = INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA
};
STDMETHOD(SetInterfaceSafetyOptions)(REFIID riid,DWORD dwOptionSetMask,DWORD dwEnabledOptions) {
if((~SUPPORTED_SAFETY_OPTIONS & dwOptionSetMask)!=0) return E_FAIL;
IUnknown *pUnk = NULL;
HRESULT hr = QueryInterface(riid,(void**)&pUnk);
if(SUCCEEDED(hr)) {
pUnk->Release();
pUnk = NULL;
s_CritSection.Lock();
m_dwSafety = (dwEnabledOptions & dwOptionSetMask) | (m_dwSafety & ~dwOptionSetMask);
s_CritSection.Unlock();
}
return hr;
}
STDMETHOD(GetInterfaceSafetyOptions)(REFIID riid,DWORD *pdwSupportedOptions,DWORD *pdwEnabledOptions) {
if(IsBadWritePtr(pdwSupportedOptions,sizeof(DWORD)) || IsBadWritePtr(pdwEnabledOptions,sizeof(DWORD))) return E_POINTER;
*pdwSupportedOptions = 0;
*pdwEnabledOptions = 0;
IUnknown *pUnk = NULL;
HRESULT hr = QueryInterface(riid,(void**)&pUnk);
if(SUCCEEDED(hr)) {
pUnk->Release();
pUnk = NULL;
*pdwSupportedOptions = SUPPORTED_SAFETY_OPTIONS;
s_CritSection.Lock();
*pdwEnabledOptions = m_dwSafety;
s_CritSection.Unlock();
}
return hr;
}
private:
DWORD m_dwSafety;
static CMSPCritSection s_CritSection;
};
#endif