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// Windows/Net.cpp
#include "StdAfx.h"
#include "Windows/Net.h"
namespace NWindows {
namespace NNet {
DWORD CEnum::Open(DWORD scope, DWORD type, DWORD usage, LPNETRESOURCE netResource)
{
Close();
DWORD result = ::WNetOpenEnum(scope, type, usage, netResource, &_handle);
_handleAllocated = (result == NO_ERROR);
return result;
}
static void SetComplexString(bool &defined, CSysString &destString,
LPCTSTR srsString)
{
defined = (srsString != 0);
if (defined)
destString = srsString;
else
destString.Empty();
}
static void ConvertNETRESOURCEToCResource(const NETRESOURCE &netResource,
CResource &resource)
{
resource.Scope = netResource.dwScope;
resource.Type = netResource.dwType;
resource.DisplayType = netResource.dwDisplayType;
resource.Usage = netResource.dwUsage;
SetComplexString(resource.LocalNameIsDefined, resource.LocalName, netResource.lpLocalName);
SetComplexString(resource.RemoteNameIsDefined, resource.RemoteName, netResource.lpRemoteName);
SetComplexString(resource.CommentIsDefined, resource.Comment, netResource.lpComment);
SetComplexString(resource.ProviderIsDefined, resource.Provider, netResource.lpProvider);
}
static void SetComplexString2(LPTSTR *destString, bool defined,
const CSysString &srcString)
{
if (defined)
*destString = (TCHAR *)(const TCHAR *)srcString;
else
*destString = 0;
}
static void ConvertCResourceToNETRESOURCE(const CResource &resource,
NETRESOURCE &netResource)
{
netResource.dwScope = resource.Scope;
netResource.dwType = resource.Type;
netResource.dwDisplayType = resource.DisplayType;
netResource.dwUsage = resource.Usage;
SetComplexString2(&netResource.lpLocalName, resource.LocalNameIsDefined, resource.LocalName);
SetComplexString2(&netResource.lpRemoteName, resource.RemoteNameIsDefined, resource.RemoteName);
SetComplexString2(&netResource.lpComment, resource.CommentIsDefined, resource.Comment);
SetComplexString2(&netResource.lpProvider, resource.ProviderIsDefined, resource.Provider);
}
DWORD CEnum::Open(DWORD scope, DWORD type, DWORD usage,
const CResource *resource)
{
NETRESOURCE netResource;
LPNETRESOURCE pointer;
if (resource == 0)
pointer = 0;
else
{
ConvertCResourceToNETRESOURCE(*resource, netResource);
pointer = &netResource;
}
return Open(scope, type, usage, pointer);
}
DWORD CEnum::Close()
{
if(!_handleAllocated)
return NO_ERROR;
DWORD result = ::WNetCloseEnum(_handle);
_handleAllocated = (result != NO_ERROR);
return result;
}
DWORD CEnum::Next(LPDWORD lpcCount, LPVOID lpBuffer, LPDWORD lpBufferSize)
{
return ::WNetEnumResource(_handle, lpcCount, lpBuffer, lpBufferSize);
}
DWORD CEnum::Next(CResource &resource)
{
CByteBuffer byteBuffer;
const DWORD kBufferSize = 16384;
byteBuffer.SetCapacity(kBufferSize);
LPNETRESOURCE lpnrLocal = (LPNETRESOURCE) (BYTE *)(byteBuffer);
ZeroMemory(lpnrLocal, kBufferSize);
DWORD bufferSize = kBufferSize;
DWORD numEntries = 1;
DWORD result = Next(&numEntries, lpnrLocal, &bufferSize);
if (result != NO_ERROR)
return result;
if (numEntries != 1)
return (DWORD)E_FAIL;
ConvertNETRESOURCEToCResource(lpnrLocal[0], resource);
return result;
}
DWORD GetResourceParent(const CResource &resource, CResource &parentResource)
{
CByteBuffer byteBuffer;
const DWORD kBufferSize = 16384;
byteBuffer.SetCapacity(kBufferSize);
LPNETRESOURCE lpnrLocal = (LPNETRESOURCE) (BYTE *)(byteBuffer);
ZeroMemory(lpnrLocal, kBufferSize);
DWORD bufferSize = kBufferSize;
NETRESOURCE netResource;
ConvertCResourceToNETRESOURCE(resource, netResource);
DWORD result = ::WNetGetResourceParent(&netResource, lpnrLocal, &bufferSize);
if (result != NO_ERROR)
return result;
ConvertNETRESOURCEToCResource(lpnrLocal[0], parentResource);
return result;
}
DWORD GetResourceInformation(const CResource &resource,
CResource &destResource, CSysString &systemPathPart)
{
CByteBuffer byteBuffer;
const DWORD kBufferSize = 16384;
byteBuffer.SetCapacity(kBufferSize);
LPNETRESOURCE lpnrLocal = (LPNETRESOURCE) (BYTE *)(byteBuffer);
ZeroMemory(lpnrLocal, kBufferSize);
DWORD bufferSize = kBufferSize;
NETRESOURCE netResource;
ConvertCResourceToNETRESOURCE(resource, netResource);
LPTSTR lplpSystem;
DWORD result = ::WNetGetResourceInformation(&netResource,
lpnrLocal, &bufferSize, &lplpSystem);
if (result != NO_ERROR)
return result;
if (lplpSystem != 0)
systemPathPart = lplpSystem;
ConvertNETRESOURCEToCResource(lpnrLocal[0], destResource);
return result;
}
DWORD AddConnection2(const CResource &resource,
LPCTSTR password, LPCTSTR userName, DWORD flags)
{
NETRESOURCE netResource;
ConvertCResourceToNETRESOURCE(resource, netResource);
return ::WNetAddConnection2(&netResource,
password, userName, flags);
}
}}
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