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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef _D_HTTP_CONNECTION_H_
#define _D_HTTP_CONNECTION_H_
#include "Segment.h"
#include "Socket.h"
#include "Request.h"
#include "Option.h"
#include "Logger.h"
#include "common.h"
#include "Logger.h"
#include "HttpResponse.h"
#include <netinet/in.h>
#include <string>
#define HEADERBUF_SIZE 4096
class HttpConnection {
private:
int cuid;
SocketHandle socket;
const Option* option;
const Logger* logger;
char headerBuf[HEADERBUF_SIZE+1];
int headerBufLength;
HttpRequests outstandingHttpRequests;
int findEndOfHeader(const char* buf, const char* substr, int bufLength) const;
string eraseConfidentialInfo(const string& request);
public:
HttpConnection(int cuid,
const SocketHandle& socket,
const Option* op);
/**
* Sends Http request.
* If segment.sp+segment.ds > 0 then Range header is added.
* This method is used in HTTP/HTTP downloading and FTP downloading via
* HTTP proxy(GET method).
* @param segment indicates starting postion of the file for downloading
*/
void sendRequest(const HttpRequestHandle& httpRequest);
/**
* Sends Http proxy request using CONNECT method.
*/
void sendProxyRequest(const HttpRequestHandle& httpRequest);
/**
* Receives HTTP response from the server and returns HttpResponseHandle
* object which contains response header and HttpRequestHandle object
* for this response.
* If a response is not fully received, received header is buffured
* in this object and returns 0.
* You should continue to call this method until whole response header is
* received and this method returns non-null HttpResponseHandle object.
*
* @return HttpResponse or 0 if whole response header is not received
*/
HttpResponseHandle receiveResponse();
HttpRequestHandle getFirstHttpRequest() const
{
if(outstandingHttpRequests.size() > 0) {
return outstandingHttpRequests.front();
} else {
return 0;
}
}
};
typedef SharedHandle<HttpConnection> HttpConnectionHandle;
#endif // _D_HTTP_CONNECTION_H_
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