hxopwaveresolv.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxopwaveresolv.cpp,v 1.4.18.1 2004/07/09 02:08:44 hubbe Exp $
- *
- * * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxopwaveresolv.h"
- #include "debug.h"
- #include "smartptr.h"
- #define D_RESOLVER 0x10000000
- //#define NO_OPENWAVE_DNS
- UINT32 HXOpwaveResolver::ubMaxHostNameLen = 256L;
- HXOpwaveResolver::HXOpwaveResolver()
- : OpDNSRequest()
- , m_lRefCount(0)
- , m_pResponse(0)
- , m_psHostname(NULL)
- , m_bInitialized(FALSE)
- , m_nNumAddr(0)
- , m_nCurAddrIndex(0)
- , m_dnsStatus(HXR_OK)
- {
- }
- HXOpwaveResolver::~HXOpwaveResolver()
- {
-
- HX_RELEASE(m_pResponse);
- HX_DELETE(m_psHostname);
- }
- /*
- * IUnknown methods
- */
- STDMETHODIMP HXOpwaveResolver::QueryInterface(THIS_
- REFIID riid,
- void** ppvObj)
- {
-
- if (IsEqualIID(riid, IID_IHXResolver))
- {
-
- AddRef();
- *ppvObj = (IHXResolver*)this;
- return HXR_OK;
- }
- else if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown*)(IHXResolver*)this;
- return HXR_OK;
- }
-
-
- *ppvObj = NULL;
- return HXR_NOINTERFACE;
-
- }
- STDMETHODIMP_(ULONG32) HXOpwaveResolver::AddRef(THIS)
- {
-
- return InterlockedIncrement(&m_lRefCount);
-
- }
- STDMETHODIMP_(ULONG32)HXOpwaveResolver::Release(THIS)
- {
-
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
-
- delete this;
- return 0;
- }
- /*
- * IHXResolver methods
- */
- STDMETHODIMP HXOpwaveResolver::Init(THIS_ IHXResolverResponse* pResponse)
- {
-
- DPRINTF(D_RESOLVER, ("HXOpwaveResolver::Init()n"));
-
- HX_RELEASE(m_pResponse);
- m_pResponse = pResponse;
-
- if (m_pResponse)
- {
- m_pResponse->AddRef();
- }
-
- m_bInitialized = TRUE;
- return HXR_OK;
-
- }
- STDMETHODIMP HXOpwaveResolver::GetHostByName(THIS_ const char* pHostName)
- {
-
- DPRINTF(D_RESOLVER, ("HXOpwaveResolver::GetHostByName(%s)n", pHostName));
-
- HX_RESULT res = HXR_OK;
-
- if (!pHostName)
- {
- res = HXR_INVALID_PARAMETER;
- }
-
- if (SUCCEEDED(res))
- {
- if (!m_psHostname)
- {
- m_psHostname = new char[ubMaxHostNameLen];
- if (!m_psHostname)
- {
- res = HXR_OUTOFMEMORY;
- }
- }
- }
- if (SUCCEEDED(res))
- {
- strncpy(m_psHostname, pHostName, ubMaxHostNameLen);
- lookupAddr(m_psHostname);
- }
- #ifdef NO_OPENWAVE_DNS
- /// Suppose the pHostName is in decimal form like
- /// 207.188.30.91, we convert it here manually into a UINT32
- UINT32 ipv4Host = 0;
- char* pStop = pHostName;
- char* pHead = pHostName;
- INT32 nShift = 24;
- while (nShift >= 0)
- {
- UINT32 ulTemp = strtoul(pHead, &pStop, 10);
- ipv4Host += ulTemp << nShift;
- pHead = pStop + 1;
- nShift -= 8;
- }
- m_pResponse->GetHostByNameDone(m_dnsStatus, ipv4Host);
- #endif
- return res;
-
- }
- /// OpDNSRequest callback to notify requests
- void
- HXOpwaveResolver::onAddrResult(const ipv4_t *addrs, unsigned numAddrs)
- {
- m_nNumAddr = numAddrs;
- if (addrs && m_nNumAddr > 0)
- {
- m_nCurAddrIndex = 0;
- m_pResponse->GetHostByNameDone(m_dnsStatus, addrs[m_nCurAddrIndex]);
- }
- }
- void
- HXOpwaveResolver::onErrorResult()
- {
- m_dnsStatus = HXR_FAIL;
- }