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C++ Download::getFile方法代码示例

本文整理汇总了C++中Download::getFile方法的典型用法代码示例。如果您正苦于以下问题：C++ Download::getFile方法的具体用法？C++ Download::getFile怎么用？C++ Download::getFile使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Download的用法示例。


在下文中一共展示了Download::getFile方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: on

void DownloadManager::on(UserConnectionListener::FileNotAvailable, UserConnection* aSource) throw() {
	Download* d = aSource->getDownload();
	dcassert(d != NULL);

	if(d->isSet(Download::FLAG_TREE_DOWNLOAD)) {
		// No tree, too bad...
		aSource->setDownload(d->getOldDownload());
		delete d->getFile();
		d->setFile(NULL);
		delete d;
		checkDownloads(aSource);
		return;
	}

	dcdebug("File Not Available: %s\n", d->getTarget().c_str());

	if(d->getFile()) {
		delete d->getFile();
		d->setFile(NULL);
		d->setCrcCalc(NULL);
	}

	fire(DownloadManagerListener::Failed(), d, d->getTargetFileName() + ": " + STRING(FILE_NOT_AVAILABLE));

	aSource->setDownload(NULL);

	QueueManager::getInstance()->removeSource(d->getTarget(), aSource->getUser(), QueueItem::Source::FLAG_FILE_NOT_AVAILABLE, false);
	removeDownload(d, false, false);
	checkDownloads(aSource);
}
开发者ID:BackupTheBerlios，项目名称:linuxdcpp，代码行数:30，代码来源:DownloadManager.cpp

示例2: endData

/** Download finished! */
void DownloadManager::endData(UserConnection* aSource) {
    dcassert(aSource->getState() == UserConnection::STATE_RUNNING);
    Download* d = aSource->getDownload();
    dcassert(d != NULL);

    if(d->getType() == Transfer::TYPE_TREE) {
        d->getFile()->flush();

        int64_t bl = 1024;
        while(bl * (int64_t)d->getTigerTree().getLeaves().size() < d->getTigerTree().getFileSize())
            bl *= 2;
        d->getTigerTree().setBlockSize(bl);
        d->getTigerTree().calcRoot();

        if(!(d->getTTH() == d->getTigerTree().getRoot())) {
            // This tree is for a different file, remove from queue...
            removeDownload(d);
            fire(DownloadManagerListener::Failed(), d, _("Full tree does not match TTH root"));

            QueueManager::getInstance()->removeSource(d->getPath(), aSource->getUser(), QueueItem::Source::FLAG_BAD_TREE, false);

            QueueManager::getInstance()->putDownload(d, false);

            checkDownloads(aSource);
            return;
        }
        d->setTreeValid(true);
    } else {
        // First, finish writing the file (flushing the buffers and closing the file...)
        try {
            d->getFile()->flush();
                } catch(const Exception& e) {
                        d->resetPos();
            failDownload(aSource, e.getError());
            return;
        }

        aSource->setSpeed(d->getAverageSpeed());
        aSource->updateChunkSize(d->getTigerTree().getBlockSize(), d->getSize(), GET_TICK() - d->getStart());

        dcdebug("Download finished: %s, size " I64_FMT ", downloaded " I64_FMT "\n", d->getPath().c_str(),
                static_cast<long long int>(d->getSize()), static_cast<long long int>(d->getPos()));

        if(BOOLSETTING(LOG_DOWNLOADS) && (BOOLSETTING(LOG_FILELIST_TRANSFERS) || d->getType() == Transfer::TYPE_FILE)) {
            logDownload(aSource, d);
        }
    }

    removeDownload(d);
    fire(DownloadManagerListener::Complete(), d);

    QueueManager::getInstance()->putDownload(d, true);
    checkDownloads(aSource);
}
开发者ID:pk2010，项目名称:eiskaltdcpp，代码行数:55，代码来源:DownloadManager.cpp

示例3: on

void DownloadManager::on(UserConnectionListener::Data, UserConnection* aSource, const uint8_t* aData, size_t aLen) noexcept {
    Download* d = aSource->getDownload();
    dcassert(d != NULL);

    try {
        d->addPos(d->getFile()->write(aData, aLen), aLen);
        d->tick();

        if(d->getFile()->eof()) {
            endData(aSource);
            aSource->setLineMode(0);
        }
    } catch(const Exception& e) {
        failDownload(aSource, e.getError());
    }
}
开发者ID:pk2010，项目名称:eiskaltdcpp，代码行数:16，代码来源:DownloadManager.cpp

示例4: handleEndData

/** Download finished! */
void DownloadManager::handleEndData(UserConnection* aSource) {

	dcassert(aSource->getState() == UserConnection::STATE_DONE);
	Download* d = aSource->getDownload();
	dcassert(d != NULL);

	if(d->isSet(Download::FLAG_TREE_DOWNLOAD)) {
		d->getFile()->flush();
		delete d->getFile();
		d->setFile(NULL);

		Download* old = d->getOldDownload();

		size_t bl = 1024;
		while(bl * old->getTigerTree().getLeaves().size() < old->getSize())
			bl *= 2;
		old->getTigerTree().setBlockSize(bl);
		dcassert(old->getSize() != -1);
		old->getTigerTree().setFileSize(old->getSize());

		old->getTigerTree().calcRoot();

		if(!(*old->getTTH() == old->getTigerTree().getRoot())) {
			// This tree is for a different file, remove from queue...
			fire(DownloadManagerListener::Failed(), old, STRING(INVALID_TREE));

			string target = old->getTarget();

			aSource->setDownload(NULL);
			removeDownload(old, true);

			QueueManager::getInstance()->removeSource(target, aSource->getUser(), QueueItem::Source::FLAG_BAD_TREE, false);
			checkDownloads(aSource);
			return;
		}

		d->getOldDownload()->setTreeValid(true);

		HashManager::getInstance()->addTree(old->getTarget(), old->getTigerTree());

		aSource->setDownload(d->getOldDownload());

		delete d;

		// Ok, now we can continue to the actual file...
		checkDownloads(aSource);
		return;
	}

	u_int32_t crc = 0;
	bool hasCrc = (d->getCrcCalc() != NULL);

	// First, finish writing the file (flushing the buffers and closing the file...)
	try {
		d->getFile()->flush();
		if(hasCrc)
			crc = d->getCrcCalc()->getFilter().getValue();
		delete d->getFile();
		d->setFile(NULL);
		d->setCrcCalc(NULL);

		// Check if we're anti-fragging...
		if(d->isSet(Download::FLAG_ANTI_FRAG)) {
			// Ok, rename the file to what we expect it to be...
			try {
				const string& tgt = d->getTempTarget().empty() ? d->getTarget() : d->getTempTarget();
				File::renameFile(d->getDownloadTarget(), tgt);
				d->unsetFlag(Download::FLAG_ANTI_FRAG);
			} catch(const FileException& e) {
				dcdebug("AntiFrag: %s\n", e.getError().c_str());
				// Now what?
			}
		}
	} catch(const FileException& e) {
		fire(DownloadManagerListener::Failed(), d, e.getError());
		
		aSource->setDownload(NULL);
		removeDownload(d, true);
		removeConnection(aSource);
		return;
	}
	
	dcassert(d->getPos() == d->getSize());
	dcdebug("Download finished: %s, size " I64_FMT ", downloaded " I64_FMT "\n", d->getTarget().c_str(), d->getSize(), d->getTotal());

	// Check if we have some crc:s...
	if(BOOLSETTING(SFV_CHECK)) {
		SFVReader sfv(d->getTarget());
		if(sfv.hasCRC()) {
			bool crcMatch;
			string tgt = d->getDownloadTarget();
			if(hasCrc) {
				crcMatch = (crc == sfv.getCRC());
			} else {
				// More complicated, we have to reread the file
				try {
					
					File ff(tgt, File::READ, File::OPEN);
					CalcInputStream<CRC32Filter, false> f(&ff);
//.........这里部分代码省略.........
开发者ID:BackupTheBerlios，项目名称:linuxdcpp，代码行数:101，代码来源:DownloadManager.cpp

示例5: prepareFile

bool DownloadManager::prepareFile(UserConnection* aSource, int64_t newSize /* = -1 */) {
	Download* d = aSource->getDownload();
	dcassert(d != NULL);

	if(newSize != -1) {
		d->setSize(newSize);
	}
	if(d->getPos() >= d->getSize()) {
		// Already finished?
		aSource->setDownload(NULL);
		removeDownload(d, true, true);
		removeConnection(aSource);
		return false;
	}

	dcassert(d->getSize() != -1);

	string target = d->getDownloadTarget();
	File::ensureDirectory(target);
	if(d->isSet(Download::FLAG_USER_LIST)) {
		if(aSource->isSet(UserConnection::FLAG_SUPPORTS_XML_BZLIST)) {
			target += ".xml.bz2";
		} else {
			target += ".DcLst";
		}
	}

	File* file = NULL;
	try {
		// Let's check if we can find this file in a any .SFV...
		int trunc = d->isSet(Download::FLAG_RESUME) ? 0 : File::TRUNCATE;
		file = new File(target, File::RW, File::OPEN | File::CREATE | trunc);
		if(d->isSet(Download::FLAG_ANTI_FRAG)) {
			file->setSize(d->getSize());
		}
		file->setPos(d->getPos());
	} catch(const FileException& e) {
		delete file;
		fire(DownloadManagerListener::Failed(), d, STRING(COULD_NOT_OPEN_TARGET_FILE) + e.getError());
		aSource->setDownload(NULL);
		removeDownload(d, true);
		removeConnection(aSource);
		return false;
	} catch(const Exception& e) {
		delete file;
		fire(DownloadManagerListener::Failed(), d, e.getError());
		aSource->setDownload(NULL);
		removeDownload(d, true);
		removeConnection(aSource);
		return false;
	}

	d->setFile(file);

	if(d->isSet(Download::FLAG_ROLLBACK)) {
		d->setFile(new RollbackOutputStream<true>(file, d->getFile(), (size_t)min((int64_t)SETTING(ROLLBACK), d->getSize() - d->getPos())));
	}

	if(SETTING(BUFFER_SIZE) != 0) {
		d->setFile(new BufferedOutputStream<true>(d->getFile()));
	}

	bool sfvcheck = BOOLSETTING(SFV_CHECK) && (d->getPos() == 0) && (SFVReader(d->getTarget()).hasCRC());

	if(sfvcheck) {
		d->setFlag(Download::FLAG_CALC_CRC32);
		Download::CrcOS* crc = new Download::CrcOS(d->getFile());
		d->setCrcCalc(crc);
		d->setFile(crc);
	}

	if(d->getPos() == 0) {
		if(!d->getTreeValid() && d->getTTH() != NULL && d->getSize() < numeric_limits<size_t>::max()) {
			// We make a single node tree...
			d->getTigerTree().setFileSize(d->getSize());
			d->getTigerTree().setBlockSize((size_t)d->getSize());

			d->getTigerTree().getLeaves().push_back(*d->getTTH());
			d->getTigerTree().calcRoot();
			d->setTreeValid(true);
		}
		if(d->getTreeValid()) {
			d->setFile(new TigerCheckOutputStream<true>(d->getTigerTree(), d->getFile()));
		}
	}

	if(d->isSet(Download::FLAG_ZDOWNLOAD)) {
		d->setFile(new FilteredOutputStream<UnZFilter, true>(d->getFile()));
	}
	dcassert(d->getPos() != -1);
	d->setStart(GET_TICK());
	aSource->setState(UserConnection::STATE_DONE);
	
	fire(DownloadManagerListener::Starting(), d);
	
	return true;
}
开发者ID:BackupTheBerlios，项目名称:linuxdcpp，代码行数:97，代码来源:DownloadManager.cpp

示例6: startData

void DownloadManager::startData(UserConnection* aSource, int64_t start, int64_t bytes, bool z) {
    Download* d = aSource->getDownload();
    dcassert(d != NULL);

    dcdebug("Preparing " I64_FMT ":" I64_FMT ", " I64_FMT ":" I64_FMT"\n",
            static_cast<long long int>(d->getStartPos()), static_cast<long long int>(start),
            static_cast<long long int>(d->getSize()), static_cast<long long int>(bytes));
    if(d->getSize() == -1) {
        if(bytes >= 0) {
            d->setSize(bytes);
        } else {
            failDownload(aSource, _("Invalid size"));
            return;
        }
    } else if(d->getSize() != bytes || d->getStartPos() != start) {
        // This is not what we requested...
        failDownload(aSource, _("Response does not match request"));
        return;
    }

    try {
        QueueManager::getInstance()->setFile(d);
    } catch(const FileException& e) {
        failDownload(aSource, str(F_("Could not open target file: %1%") % e.getError()));
        return;
    } catch(const Exception& e) {
        failDownload(aSource, e.getError());
        return;
    }

    if((d->getType() == Transfer::TYPE_FILE || d->getType() == Transfer::TYPE_FULL_LIST) && SETTING(BUFFER_SIZE) > 0 ) {
        d->setFile(new BufferedOutputStream<true>(d->getFile()));
    }

    if(d->getType() == Transfer::TYPE_FILE) {
        typedef MerkleCheckOutputStream<TigerTree, true> MerkleStream;

        d->setFile(new MerkleStream(d->getTigerTree(), d->getFile(), d->getStartPos()));
        d->setFlag(Download::FLAG_TTH_CHECK);
    }

    // Check that we don't get too many bytes
    d->setFile(new LimitedOutputStream<true>(d->getFile(), bytes));

    if(z) {
        d->setFlag(Download::FLAG_ZDOWNLOAD);
        d->setFile(new FilteredOutputStream<UnZFilter, true>(d->getFile()));
    }

    d->setStart(GET_TICK());
    d->tick();
    aSource->setState(UserConnection::STATE_RUNNING);

    fire(DownloadManagerListener::Starting(), d);

    if(d->getPos() == d->getSize()) {
        try {
            // Already finished? A zero-byte file list could cause this...
            endData(aSource);
        } catch(const Exception& e) {
            failDownload(aSource, e.getError());
        }
    } else {
        aSource->setDataMode();
    }
}
开发者ID:pk2010，项目名称:eiskaltdcpp，代码行数:66，代码来源:DownloadManager.cpp


注：本文中的Download::getFile方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。