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2008-05-14 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

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Made string literals for torrent file processing static const
	std::string.
	* src/BtContext.cc
	* src/BtContext.h
	* src/DefaultBtContext.cc
	* src/DefaultBtContext.h
This commit is contained in:
Tatsuhiro Tsujikawa 2008-05-14 12:11:04 +00:00
parent cb795bc989
commit 9d24736208
7 changed files with 135 additions and 18 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2008-05-14 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
Made string literals for torrent file processing static const
std::string.
* src/BtContext.cc
* src/BtContext.h
* src/DefaultBtContext.cc
* src/DefaultBtContext.h
2008-05-14 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
Made string literal for tracker response static const std::string

65
src/BtContext.cc Normal file
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@ -0,0 +1,65 @@
/* <!-- 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 --> */
#include "BtContext.h"
namespace aria2 {
const std::string BtContext::NAME("name");
const std::string BtContext::FILES("files");
const std::string BtContext::LENGTH("length");
const std::string BtContext::PATH("path");
const std::string BtContext::INFO("info");
const std::string BtContext::PIECES("pieces");
const std::string BtContext::PIECE_LENGTH("piece length");
const std::string BtContext::PRIVATE("private");
const std::string BtContext::PRIVATE_ON("1");
const std::string BtContext::URL_LIST("url-list");
const std::string BtContext::ANNOUNCE("announce");
const std::string BtContext::ANNOUNCE_LIST("announce-list");
const std::string BtContext::NODES("nodes");
} // namespace aria2

27
src/BtContext.h
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@ -80,6 +80,33 @@ public:
virtual std::deque<std::pair<std::string, uint16_t> >& getNodes() = 0;
static const std::string NAME;
static const std::string FILES;
static const std::string LENGTH;
static const std::string PATH;
static const std::string INFO;
static const std::string PIECES;
static const std::string PIECE_LENGTH;
static const std::string PRIVATE;
// This is just a string "1". Used as a value of "private" flag.
static const std::string PRIVATE_ON;
static const std::string URL_LIST;
static const std::string ANNOUNCE;
static const std::string ANNOUNCE_LIST;
static const std::string NODES;
};
class BtContext;

42
src/DefaultBtContext.cc
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@ -58,7 +58,9 @@
namespace aria2 {
DefaultBtContext::DefaultBtContext():_peerIdPrefix("-aria2-"),
const std::string DefaultBtContext::DEFAULT_PEER_ID_PREFIX("-aria2-");
DefaultBtContext::DefaultBtContext():_peerIdPrefix(DEFAULT_PEER_ID_PREFIX),
_randomizer(SimpleRandomizer::getInstance()),
_ownerRequestGroup(0),
_logger(LogFactory::getInstance()) {}
@ -113,13 +115,13 @@ void DefaultBtContext::extractPieceHash(const unsigned char* hashData,
void DefaultBtContext::extractFileEntries(const Dictionary* infoDic,
const std::string& defaultName,
const std::deque<std::string>& urlList) {
const Data* nameData = dynamic_cast<const Data*>(infoDic->get("name"));
const Data* nameData = dynamic_cast<const Data*>(infoDic->get(BtContext::NAME));
if(nameData) {
name = nameData->toString();
} else {
name = File(defaultName).getBasename()+".file";
}
const List* files = dynamic_cast<const List*>(infoDic->get("files"));
const List* files = dynamic_cast<const List*>(infoDic->get(BtContext::FILES));
if(files) {
uint64_t length = 0;
off_t offset = 0;
@ -132,14 +134,16 @@ void DefaultBtContext::extractFileEntries(const Dictionary* infoDic,
if(!fileDic) {
continue;
}
const Data* lengthData = dynamic_cast<const Data*>(fileDic->get("length"));
const Data* lengthData =
dynamic_cast<const Data*>(fileDic->get(BtContext::LENGTH));
if(lengthData) {
length += lengthData->toLLInt();
} else {
throw DlAbortEx
(StringFormat(MSG_SOMETHING_MISSING_IN_TORRENT, "file length").str());
}
const List* pathList = dynamic_cast<const List*>(fileDic->get("path"));
const List* pathList =
dynamic_cast<const List*>(fileDic->get(BtContext::PATH));
if(!pathList) {
throw DlAbortEx
(StringFormat(MSG_SOMETHING_MISSING_IN_TORRENT, "file path list").str());
@ -177,7 +181,8 @@ void DefaultBtContext::extractFileEntries(const Dictionary* infoDic,
} else {
// single-file mode;
fileMode = BtContext::SINGLE;
const Data* length = dynamic_cast<const Data*>(infoDic->get("length"));
const Data* length =
dynamic_cast<const Data*>(infoDic->get(BtContext::LENGTH));
if(length) {
totalLength = length->toLLInt();
} else {
@ -290,7 +295,8 @@ void DefaultBtContext::load(const std::string& torrentFile) {
void DefaultBtContext::processRootDictionary(const Dictionary* rootDic, const std::string& defaultName)
{
clear();
const Dictionary* infoDic = dynamic_cast<const Dictionary*>(rootDic->get("info"));
const Dictionary* infoDic =
dynamic_cast<const Dictionary*>(rootDic->get(BtContext::INFO));
if(!infoDic) {
throw DlAbortEx
(StringFormat(MSG_SOMETHING_MISSING_IN_TORRENT, "info directory").str());
@ -303,7 +309,8 @@ void DefaultBtContext::processRootDictionary(const Dictionary* rootDic, const st
v.getBencodedData().size());
infoHashString = Util::toHex(infoHash, INFO_HASH_LENGTH);
// calculate the number of pieces
const Data* pieceHashData = dynamic_cast<const Data*>(infoDic->get("pieces"));
const Data* pieceHashData =
dynamic_cast<const Data*>(infoDic->get(BtContext::PIECES));
if(!pieceHashData) {
throw DlAbortEx
(StringFormat(MSG_SOMETHING_MISSING_IN_TORRENT, "pieces").str());
@ -316,7 +323,8 @@ void DefaultBtContext::processRootDictionary(const Dictionary* rootDic, const st
throw DlAbortEx("The number of pieces is 0.");
}
// retrieve piece length
const Data* pieceLengthData = dynamic_cast<const Data*>(infoDic->get("piece length"));
const Data* pieceLengthData =
dynamic_cast<const Data*>(infoDic->get(BtContext::PIECE_LENGTH));
if(!pieceLengthData) {
throw DlAbortEx
(StringFormat(MSG_SOMETHING_MISSING_IN_TORRENT, "piece length").str());
@ -325,9 +333,10 @@ void DefaultBtContext::processRootDictionary(const Dictionary* rootDic, const st
// retrieve piece hashes
extractPieceHash(pieceHashData->getData(), pieceHashData->getLen(),
PIECE_HASH_LENGTH);
const Data* privateFlag = dynamic_cast<const Data*>(infoDic->get("private"));
const Data* privateFlag =
dynamic_cast<const Data*>(infoDic->get(BtContext::PRIVATE));
if(privateFlag) {
if(privateFlag->toString() == "1") {
if(privateFlag->toString() == BtContext::PRIVATE_ON) {
_private = true;
}
}
@ -335,22 +344,25 @@ void DefaultBtContext::processRootDictionary(const Dictionary* rootDic, const st
// This implemantation obeys HTTP-Seeding specification:
// see http://www.getright.com/seedtorrent.html
std::deque<std::string> urlList;
extractUrlList(urlList, rootDic->get("url-list"));
extractUrlList(urlList, rootDic->get(BtContext::URL_LIST));
// retrieve file entries
extractFileEntries(infoDic, defaultName, urlList);
if((totalLength+pieceLength-1)/pieceLength != numPieces) {
throw DlAbortEx("Too few/many piece hash.");
}
// retrieve announce
const Data* announceData = dynamic_cast<const Data*>(rootDic->get("announce"));
const List* announceListData = dynamic_cast<const List*>(rootDic->get("announce-list"));
const Data* announceData =
dynamic_cast<const Data*>(rootDic->get(BtContext::ANNOUNCE));
const List* announceListData =
dynamic_cast<const List*>(rootDic->get(BtContext::ANNOUNCE_LIST));
if(announceListData) {
extractAnnounceList(announceListData);
} else if(announceData) {
extractAnnounce(announceData);
}
// retrieve nodes
const List* nodes = dynamic_cast<const List*>(rootDic->get("nodes"));
const List* nodes =
dynamic_cast<const List*>(rootDic->get(BtContext::NODES));
if(nodes) {
extractNodes(nodes);
}

2
src/DefaultBtContext.h
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@ -177,6 +177,8 @@ private:
void setRandomizer(const SharedHandle<Randomizer>& randomizer);
friend std::ostream& operator<<(std::ostream& o, const DefaultBtContext& ctx);
static const std::string DEFAULT_PEER_ID_PREFIX;
};
typedef SharedHandle<DefaultBtContext> DefaultBtContextHandle;

2
src/Makefile.am
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@ -232,7 +232,7 @@ SRCS += MetaEntry.h\
DelegatingPeerListProcessor.cc DelegatingPeerListProcessor.h\
AnnounceTier.h\
AnnounceList.h AnnounceList.cc\
BtContext.h\
BtContext.cc BtContext.h\
DefaultBtContext.cc DefaultBtContext.h\
PeerStorage.h\
DefaultPeerStorage.cc DefaultPeerStorage.h\

6
src/Makefile.in
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@ -76,7 +76,7 @@ bin_PROGRAMS = aria2c$(EXEEXT)
@ENABLE_BITTORRENT_TRUE@ DelegatingPeerListProcessor.cc DelegatingPeerListProcessor.h\
@ENABLE_BITTORRENT_TRUE@ AnnounceTier.h\
@ENABLE_BITTORRENT_TRUE@ AnnounceList.h AnnounceList.cc\
@ENABLE_BITTORRENT_TRUE@ BtContext.h\
@ENABLE_BITTORRENT_TRUE@ BtContext.cc BtContext.h\
@ENABLE_BITTORRENT_TRUE@ DefaultBtContext.cc DefaultBtContext.h\
@ENABLE_BITTORRENT_TRUE@ PeerStorage.h\
@ENABLE_BITTORRENT_TRUE@ DefaultPeerStorage.cc DefaultPeerStorage.h\
@ -433,7 +433,7 @@ am__libaria2c_a_SOURCES_DIST = Socket.h SocketCore.cc SocketCore.h \
DefaultPeerListProcessor.h CompactPeerListProcessor.cc \
CompactPeerListProcessor.h DelegatingPeerListProcessor.cc \
DelegatingPeerListProcessor.h AnnounceTier.h AnnounceList.h \
AnnounceList.cc BtContext.h DefaultBtContext.cc \
AnnounceList.cc BtContext.cc BtContext.h DefaultBtContext.cc \
DefaultBtContext.h PeerStorage.h DefaultPeerStorage.cc \
DefaultPeerStorage.h BtAnnounce.cc BtAnnounce.h \
DefaultBtAnnounce.cc DefaultBtAnnounce.h BtRuntime.h \
@ -590,6 +590,7 @@ am__libaria2c_a_SOURCES_DIST = Socket.h SocketCore.cc SocketCore.h \
@ENABLE_BITTORRENT_TRUE@ CompactPeerListProcessor.$(OBJEXT) \
@ENABLE_BITTORRENT_TRUE@ DelegatingPeerListProcessor.$(OBJEXT) \
@ENABLE_BITTORRENT_TRUE@ AnnounceList.$(OBJEXT) \
@ENABLE_BITTORRENT_TRUE@ BtContext.$(OBJEXT) \
@ENABLE_BITTORRENT_TRUE@ DefaultBtContext.$(OBJEXT) \
@ENABLE_BITTORRENT_TRUE@ DefaultPeerStorage.$(OBJEXT) \
@ENABLE_BITTORRENT_TRUE@ BtAnnounce.$(OBJEXT) \
@ -1252,6 +1253,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/BtCancelMessage.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/BtCheckIntegrityEntry.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/BtChokeMessage.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/BtContext.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/BtContextAwareCommand.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/BtDependency.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/BtExtendedMessage.Po@am__quote@