cowebspider.h

基于com的网络爬虫程序

//
// This file is part of UniWebSpider Project.
//
// UniWebSpider is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// UniWebSpider is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with UniWebSpider; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

// WRITTEN BY	: ValGarn

// CoWebSpider.h : Declaration of the CCoWebSpider

#ifndef __COWEBSPIDER_H_
#define __COWEBSPIDER_H_

#include "resource.h"       // main symbols
#include "ADO.h"
#include "afxinet.h"
#include "afxmt.h"
#include "ChaosEnumerator.h"

/////////////////////////////////////////////////////////////////////////////
// CCoWebSpider
class ATL_NO_VTABLE CCoWebSpider : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CCoWebSpider, &CLSID_CoWebSpider>,
	public IDispatchImpl<ICoWebSpider, &IID_ICoWebSpider, &LIBID_WEBSPIDERLib>
{
public:
	CCoWebSpider()
	{		
		m_Threads = new CChaosEnumerator();
	}

DECLARE_REGISTRY_RESOURCEID(IDR_COWEBSPIDER)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CCoWebSpider)
	COM_INTERFACE_ENTRY(ICoWebSpider)
	COM_INTERFACE_ENTRY(IDispatch)
END_COM_MAP()

// ICoWebSpider
public:
	STDMETHOD(IsExists)(BSTR *bstrConnectionString, VARIANT_BOOL *bVal);
	STDMETHOD(Finish)(BSTR *bstrConnectionString);
	STDMETHOD(Begin)(BSTR *bstrConnectionString);

	CString GetOption(CString sName, CADO* pDatabase);	
	void SetOption(CString sName, CString sValue, CADO* pDatabase);
	CChaosEnumerator* m_Threads;
};

#endif //__COWEBSPIDER_H_