import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
private DirectoryCircuit openCircuit() throws DirectoryRequestFailedException {
	try {
		return circuitManager.openDirectoryCircuit();
	} catch (OpenFailedException e) {
		throw new DirectoryRequestFailedException("Failed to open directory circuit", e);
	}
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
private DirectoryCircuit openBridgeCircuit(Router bridge) throws DirectoryRequestFailedException {
	try {
		return circuitManager.openDirectoryCircuitTo(Arrays.asList(bridge));
	} catch (OpenFailedException e) {
		throw new DirectoryRequestFailedException("Failed to open directory circuit to bridge "+ bridge, e);
	}
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
public DirectoryCircuit openDirectoryCircuit() throws OpenFailedException {
	int failCount = 0;
	while(failCount < OPEN_DIRECTORY_STREAM_RETRY_COUNT) {
		final DirectoryCircuit circuit = CircuitImpl.createDirectoryCircuit(this);
		if(tryOpenCircuit(circuit, true, true)) {
			return circuit;
		}
		failCount += 1;
	}
	throw new OpenFailedException("Could not create circuit for directory stream");
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
public DirectoryCircuit openDirectoryCircuitTo(List<Router> path) throws OpenFailedException {
	final DirectoryCircuit circuit = CircuitImpl.createDirectoryCircuitTo(this, path);
	if(!tryOpenCircuit(circuit, true, false)) {
		throw new OpenFailedException("Could not create directory circuit for path");
	}
	return circuit;
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
public ConsensusDocument downloadCurrentConsensus(boolean useMicrodescriptors, DirectoryCircuit circuit) throws DirectoryRequestFailedException {
	final DirectoryDocumentRequestor requestor = new DirectoryDocumentRequestor(circuit, initializationTracker);
	return requestor.downloadCurrentConsensus(useMicrodescriptors);
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
public List<KeyCertificate> downloadKeyCertificates(Set<RequiredCertificate> required, DirectoryCircuit circuit) throws DirectoryRequestFailedException {
	final DirectoryDocumentRequestor requestor = new DirectoryDocumentRequestor(circuit, initializationTracker);
	return requestor.downloadKeyCertificates(required);
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
public List<RouterDescriptor> downloadRouterDescriptors(Set<HexDigest> fingerprints, DirectoryCircuit circuit) throws DirectoryRequestFailedException {
	final DirectoryDocumentRequestor requestor = new DirectoryDocumentRequestor(circuit, initializationTracker);
	final List<RouterDescriptor> ds =  requestor.downloadRouterDescriptors(fingerprints);
	return removeUnrequestedDescriptors(fingerprints, ds);
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
public List<RouterMicrodescriptor> downloadRouterMicrodescriptors(Set<HexDigest> fingerprints, DirectoryCircuit circuit) throws DirectoryRequestFailedException {
	final DirectoryDocumentRequestor requestor = new DirectoryDocumentRequestor(circuit, initializationTracker);
	final List<RouterMicrodescriptor> ds =  requestor.downloadRouterMicrodescriptors(fingerprints);
	return removeUnrequestedDescriptors(fingerprints, ds);
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
public DirectoryDocumentRequestor(DirectoryCircuit circuit) {
	this(circuit, null);
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
static DirectoryCircuit createDirectoryCircuit(CircuitManagerImpl circuitManager) {
	return new DirectoryCircuitImpl(circuitManager, null);
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
static DirectoryCircuit createDirectoryCircuitTo(CircuitManagerImpl circuitManager, List<Router> prechosenPath) {
	return new DirectoryCircuitImpl(circuitManager, prechosenPath);
}
 

import com.subgraph.orchid.DirectoryCircuit; //导入依赖的package包/类
public DirectoryCircuit cannibalizeToDirectory(Router target) {
	cannibalizeTo(target);
	type = InternalType.HS_DIRECTORY;
	return this;
}