import com.subgraph.orchid.crypto.TorRandom; //导入依赖的package包/类
public CircuitManagerImpl(TorConfig config, DirectoryDownloaderImpl directoryDownloader, Directory directory, ConnectionCache connectionCache, TorInitializationTracker initializationTracker) {
	this.config = config;
	this.directory = directory;
	this.connectionCache = connectionCache;
	this.pathChooser = CircuitPathChooser.create(config, directory);
	if(config.getUseEntryGuards() || config.getUseBridges()) {
		this.pathChooser.enableEntryGuards(new EntryGuards(config, connectionCache, directoryDownloader, directory));
	}
	this.pendingExitStreams = new PendingExitStreams(config);
	this.circuitCreationTask = new CircuitCreationTask(config, directory, connectionCache, pathChooser, this, initializationTracker);
	this.activeCircuits = new HashSet<CircuitImpl>();
	this.cleanInternalCircuits = new LinkedList<InternalCircuit>();
	this.random = new TorRandom();
	
	this.initializationTracker = initializationTracker;
	this.hiddenServiceManager = new HiddenServiceManager(config, directory, this);
	
	directoryDownloader.setCircuitManager(this);
}
 

import com.subgraph.orchid.crypto.TorRandom; //导入依赖的package包/类
public DirectoryImpl(TorConfig config, DirectoryStore customDirectoryStore) {
	store = (customDirectoryStore == null) ? (new DirectoryStoreImpl(config)) : (customDirectoryStore);
	this.config = config;
	stateFile = new StateFile(store, this);
	microdescriptorCache = createMicrodescriptorCache(store);
	basicDescriptorCache = createBasicDescriptorCache(store);	
	routersByIdentity = new HashMap<HexDigest, RouterImpl>();
	routersByNickname = new HashMap<String, RouterImpl>();
	directoryCaches = new RandomSet<RouterImpl>();
	requiredCertificates = new HashSet<ConsensusDocument.RequiredCertificate>();
	consensusChangedManager = new EventManager();
	random = new TorRandom();
}
 

import com.subgraph.orchid.crypto.TorRandom; //导入依赖的package包/类
DirectoryDownloadTask(TorConfig config, Directory directory, DirectoryDownloader downloader) {
	this.config = config;
	this.directory = directory;
	this.downloader = downloader;
	this.random = new TorRandom();
	this.outstandingDescriptorTasks = new AtomicInteger();
	this.descriptorProcessor = new DescriptorProcessor(config, directory);
}
 

import com.subgraph.orchid.crypto.TorRandom; //导入依赖的package包/类
Bridges(TorConfig config, DirectoryDownloader directoryDownloader) {
	this.config = config;
	this.directoryDownloader = directoryDownloader;
	this.bridgeRouters = new HashSet<BridgeRouterImpl>();
	this.random = new TorRandom();
	this.lock = new Object();
	this.outstandingDownloadTasks = new AtomicInteger();
}
 

import com.subgraph.orchid.crypto.TorRandom; //导入依赖的package包/类
public EntryGuards(TorConfig config, ConnectionCache connectionCache, DirectoryDownloader directoryDownloader, Directory directory) {
	this.config = config;
	this.random = new TorRandom();
	this.nodeChooser = new CircuitNodeChooser(config, directory);
	this.connectionCache = connectionCache;
	this.directory = directory;
	this.pendingProbes = new HashSet<GuardEntry>();
	this.bridges = new Bridges(config, directoryDownloader);
	this.lock = new Object();
	this.executor = Threading.newPool("EntryGuards worker");
}
 

import com.subgraph.orchid.crypto.TorRandom; //导入依赖的package包/类
private List<IntroductionPoint> shuffle(List<IntroductionPoint> list) {
	final TorRandom r = new TorRandom();
	final int sz = list.size();
	for(int i = 0; i < sz; i++) {
		swap(list, i, r.nextInt(sz));
	}
	return list;
}
 

import com.subgraph.orchid.crypto.TorRandom; //导入依赖的package包/类
public EntryGuards(TorConfig config, ConnectionCache connectionCache, DirectoryDownloader directoryDownloader, Directory directory) {
	this.config = config;
	this.random = new TorRandom();
	this.nodeChooser = new CircuitNodeChooser(config, directory);
	this.connectionCache = connectionCache;
	this.directory = directory;
	this.pendingProbes = new HashSet<GuardEntry>();
	this.bridges = new Bridges(config, directoryDownloader);
	this.lock = new Object();
	this.executor = Executors.newCachedThreadPool();
}