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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_REQUEST_INFO_H_
#define _D_REQUEST_INFO_H_
#include "common.h"
#include "LogFactory.h"
#include "Option.h"
#include "DownloadEngine.h"
#include "Util.h"
#include "Checksum.h"
#include <signal.h>
class FileInfo {
public:
string filename;
long long int length;
Checksum checksum;
public:
FileInfo():length(0) {}
~FileInfo() {}
bool isEmpty() const {
return filename.size() == 0 && length == 0;
}
bool checkReady() const {
#ifdef ENABLE_MESSAGE_DIGEST
return !isEmpty() && !checksum.isEmpty();
#else
return false;
#endif // ENABLE_MESSAGE_DIGEST
}
bool check() const {
#ifdef ENABLE_MESSAGE_DIGEST
unsigned char md[MAX_MD_LENGTH];
Util::fileChecksum(filename, md, checksum.getDigestAlgo());
return Util::toHex(md,
MessageDigestContext::digestLength(checksum.getDigestAlgo()))
== checksum.getMessageDigest();
#else
return false;
#endif // ENABLE_MESSAGE_DIGEST
}
bool isTorrentFile() const {
return Util::endsWith(filename, ".torrent");
}
bool isMetalinkFile() const {
return Util::endsWith(filename, ".metalink");
}
};
class RequestInfo;
typedef SharedHandle<RequestInfo> RequestInfoHandle;
typedef deque<RequestInfoHandle> RequestInfos;
class RequestInfo {
protected:
Option* op;
const Logger* logger;
Checksum checksum;
FileInfo fileInfo;
bool fail;
void printDownloadCompeleteMessage(const string& filename) {
printf(_("\nThe download was complete. <%s>\n"), filename.c_str());
}
void printDownloadCompeleteMessage() {
printf("\nThe download was complete.\n");
}
void printDownloadAbortMessage() {
printf(_("\nThe download was not complete because of errors."
" Check the log.\n"
"aria2 will resume download if the transfer is restarted."));
}
public:
RequestInfo(Option* op):
op(op),
fail(false)
{
logger = LogFactory::getInstance();
}
virtual ~RequestInfo() {}
virtual RequestInfos execute() = 0;
bool isFail() const { return fail; }
void setChecksum(const Checksum& checksum) {
this->checksum = checksum;
}
const Checksum& getChecksum() const { return checksum; }
const FileInfo& getFileInfo() const { return fileInfo; }
};
#endif // _D_REQUEST_INFO_H_
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