www.pudn.com > DCPlusPlus-src.zip > HttpConnection.h

/*  
 * Copyright (C) 2001-2004 Jacek Sieka, j_s at telia com 
 * 
 * This program is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 2 of the License, or 
 * (at your option) any later version. 
 * 
 * This program 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 General Public License for more details. 
 * 
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
 */ 
 
#if !defined(AFX_HTTPCONNECTION_H__47AE2649_8D90_4C38_B048_69B3C26B3954__INCLUDED_) 
#define AFX_HTTPCONNECTION_H__47AE2649_8D90_4C38_B048_69B3C26B3954__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#include "BufferedSocket.h" 
 
class HttpConnection; 
 
class HttpConnectionListener { 
public: 
	template	struct X { enum { TYPE = I };  }; 
 
	typedef X<0> Data; 
	typedef X<1> Failed; 
	typedef X<2> Complete; 
	typedef X<3> Redirected; 
	typedef X<4> TypeNormal; 
	typedef X<5> TypeBZ2; 
 
	virtual void on(Data, HttpConnection*, const u_int8_t*, size_t) throw() =0; 
	virtual void on(Failed, HttpConnection*, const string&) throw() { } 
	virtual void on(Complete, HttpConnection*, const string&) throw() { } 
	virtual void on(Redirected, HttpConnection*, const string&) throw() { } 
	virtual void on(TypeNormal, HttpConnection*) throw() { } 
	virtual void on(TypeBZ2, HttpConnection*) throw() { } 
}; 
 
class HttpConnection : BufferedSocketListener, public Speaker 
{ 
public: 
	void downloadFile(const string& aUrl); 
	HttpConnection() : ok(false), port(80), size(-1), moved302(false), socket(NULL) { }; 
	virtual ~HttpConnection() {  
		if(socket) { 
			socket->removeListener(this);  
			BufferedSocket::putSocket(socket); 
		} 
	} 
 
private: 
 
	HttpConnection(const HttpConnection&); 
	HttpConnection& operator=(const HttpConnection&); 
 
	string currentUrl; 
	string file; 
	string server; 
	bool ok; 
	short port; 
	int64_t size; 
	bool moved302; 
 
	BufferedSocket* socket; 
 
	// BufferedSocketListener 
	virtual void on(Connected) throw(); 
	virtual void on(Line, const string&) throw(); 
	virtual void on(Data, u_int8_t*, size_t) throw(); 
	virtual void on(ModeChange) throw(); 
	virtual void on(Failed, const string&) throw(); 
 
	void onConnected();  
	void onLine(const string& aLine); 
	 
}; 
 
#endif // !defined(AFX_HTTPCONNECTION_H__47AE2649_8D90_4C38_B048_69B3C26B3954__INCLUDED_) 
 
/** 
 * @file 
 * $Id: HttpConnection.h,v 1.22 2004/09/06 12:32:42 arnetheduck Exp $ 
 */