DarknetPeerNode.java
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|---|---|---|
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freenet.node |
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Freenet |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| LOGICAL_LINES | Number of statements |  |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| BLOCKS | Number of blocks | |
| RETURNS | Number of return points from functions | |
| CYCLOMATIC | Cyclomatic complexity | |
| OPERANDS | Number of operands | |
| ELOC | Effective lines of code | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| LOC | Lines of code | |
| FUNCTIONS | Number of function declarations | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| SIZE | Size of the file in bytes | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| LINES | Number of lines in the source file | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| EXEC_COMMENTS | Comments in executable code | |
| EXITS | Procedure exits | |
| JAVA0150 | JAVA0150 java.lang.Error (or subclass) thrown | |
| COMPARISONS | Number of comparison operators | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0143 | JAVA0143 Synchronized method | |
| PARAMS | Number of formal parameter declarations | |
| LINE_COMMENT | Number of line comments | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0025 | JAVA0025 Method override is empty | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DECL_COMMENTS | Comments in declarations | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0267 | JAVA0267 Use of System.err | |
| JAVA0170 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| LOOPS | Number of loops | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| DOC_COMMENT | Number of javadoc comment lines | |
package freenet.node;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedHashSet;
import freenet.client.DefaultMIMETypes;
import freenet.io.comm.DMT;
import freenet.io.comm.DisconnectedException;
import freenet.io.comm.FreenetInetAddress;
import freenet.io.comm.Message;
import freenet.io.comm.NotConnectedException;
import freenet.io.comm.Peer;
import freenet.io.comm.PeerParseException;
import freenet.io.comm.ReferenceSignatureVerificationException;
import freenet.io.comm.RetrievalException;
import freenet.io.xfer.BulkReceiver;
import freenet.io.xfer.BulkTransmitter;
import freenet.io.xfer.PartiallyReceivedBulk;
import freenet.l10n.L10n;
import freenet.node.useralerts.AbstractUserAlert;
import freenet.node.useralerts.N2NTMUserAlert;
import freenet.node.useralerts.UserAlert;
import freenet.support.Base64;
import freenet.support.Fields;
import freenet.support.HTMLNode;
import freenet.support.IllegalBase64Exception;
import freenet.support.Logger;
import freenet.support.SimpleFieldSet;
import freenet.support.SizeUtil;
import freenet.support.io.FileUtil;
import freenet.support.io.RandomAccessFileWrapper;
import freenet.support.io.RandomAccessThing;
public class DarknetPeerNode extends PeerNode {
/** Name of this node */
String myName;
/** True if this peer is not to be connected with */
private boolean isDisabled;
/** True if we don't send handshake requests to this peer, but will connect if we receive one */
private boolean isListenOnly;
/** True if we send handshake requests to this peer in infrequent bursts */
private boolean isBurstOnly;
/** True if we want to ignore the source port of the node's sent packets.
* This is normally set when dealing with an Evil Corporate Firewall which rewrites the port on outgoing
* packets but does not redirect incoming packets destined to the rewritten port.
* What it does is this: If we have an address with the same IP but a different port, to the detectedPeer,
* we use that instead. */
private boolean ignoreSourcePort;
/** True if we want to allow LAN/localhost addresses. */
private boolean allowLocalAddresses;
/** Extra peer data file numbers */
private LinkedHashSet extraPeerDataFileNumbers;
/** Private comment on the peer for /friends/ page */
private String privateDarknetComment;
/** Private comment on the peer for /friends/ page's extra peer data file number */
private int privateDarknetCommentFileNumber;
/** Queued-to-send N2NM extra peer data file numbers */
private LinkedHashSet queuedToSendN2NMExtraPeerDataFileNumbers;
private static boolean logMINOR;
/**
* Create a darknet PeerNode from a SimpleFieldSet
* @param fs The SimpleFieldSet to parse
* @param node2 The running Node we are part of.
*/
public DarknetPeerNode(SimpleFieldSet fs, Node node2, NodeCrypto crypto, PeerManager peers, boolean fromLocal, OutgoingPacketMangler mangler) throws FSParseException, PeerParseException, ReferenceSignatureVerificationException {
super(fs, node2, crypto, peers, fromLocal, false, mangler, false);
logMINOR = Logger.shouldLog(Logger.MINOR, this);
String name = fs.get("myName");
if(name == null) throw new FSParseException("No name");
myName = name;
if(fromLocal) {
SimpleFieldSet metadata = fs.subset("metadata");
isDisabled = Fields.stringToBool(metadata.get("isDisabled"), false);
isListenOnly = Fields.stringToBool(metadata.get("isListenOnly"), false);
isBurstOnly = Fields.stringToBool(metadata.get("isBurstOnly"), false);
disableRouting = disableRoutingHasBeenSetLocally = Fields.stringToBool(metadata.get("disableRoutingHasBeenSetLocally"), false);
ignoreSourcePort = Fields.stringToBool(metadata.get("ignoreSourcePort"), false);
allowLocalAddresses = Fields.stringToBool(metadata.get("allowLocalAddresses"), false);
}
// Setup the private darknet comment note
privateDarknetComment = "";
privateDarknetCommentFileNumber = -1;
// Setup the extraPeerDataFileNumbers
extraPeerDataFileNumbers = new LinkedHashSet();
// Setup the queuedToSendN2NMExtraPeerDataFileNumbers
queuedToSendN2NMExtraPeerDataFileNumbers = new LinkedHashSet();
}
/**
*
* Normally this is the address that packets have been received from from this node.
* However, if ignoreSourcePort is set, we will search for a similar address with a different port
* number in the node reference.
*/
public synchronized Peer getPeer(){
Peer detectedPeer = super.getPeer();
if(ignoreSourcePort) {
FreenetInetAddress addr = detectedPeer == null ? null : detectedPeer.getFreenetAddress();
int port = detectedPeer == null ? -1 : detectedPeer.getPort();
if(nominalPeer == null) return detectedPeer;
for(int i=0;i<nominalPeer.size();i++) {
Peer p = (Peer) nominalPeer.get(i);
if(p.getPort() != port && p.getFreenetAddress().equals(addr)) {
return p;
}
}
}
return detectedPeer;
}
/**
* @return True, if we are disconnected and it has been a
* sufficient time period since we last sent a handshake
* attempt.
*/
public boolean shouldSendHandshake() {
synchronized(this) {
if(isDisabled) return false;
if(isListenOnly) return false;
if(!super.shouldSendHandshake()) return false;
}
return true;
}
protected synchronized boolean innerProcessNewNoderef(SimpleFieldSet fs, boolean forARK, boolean forDiffNodeRef) throws FSParseException {
boolean changedAnything = super.innerProcessNewNoderef(fs, forARK, forDiffNodeRef);
String name = fs.get("myName");
if(name != null && !name.equals(myName)) {
changedAnything = true;
myName = name;
}
return changedAnything;
}
public synchronized SimpleFieldSet exportFieldSet() {
SimpleFieldSet fs = super.exportFieldSet();
fs.putSingle("myName", getName());
return fs;
}
public synchronized SimpleFieldSet exportMetadataFieldSet() {
SimpleFieldSet fs = super.exportMetadataFieldSet();
if(isDisabled)
fs.putSingle("isDisabled", "true");
if(isListenOnly)
fs.putSingle("isListenOnly", "true");
if(isBurstOnly)
fs.putSingle("isBurstOnly", "true");
if(ignoreSourcePort)
fs.putSingle("ignoreSourcePort", "true");
if(allowLocalAddresses)
fs.putSingle("allowLocalAddresses", "true");
if(disableRoutingHasBeenSetLocally)
fs.putSingle("disableRoutingHasBeenSetLocally", "true");
return fs;
}
public synchronized String getName() {
return myName;
}
protected synchronized int getPeerNodeStatus(long now, long backedOffUntil) {
if(isDisabled) {
return PeerManager.PEER_NODE_STATUS_DISABLED;
}
int status = super.getPeerNodeStatus(now, backedOffUntil);
if(status == PeerManager.PEER_NODE_STATUS_CONNECTED ||
status == PeerManager.PEER_NODE_STATUS_CLOCK_PROBLEM ||
status == PeerManager.PEER_NODE_STATUS_ROUTING_BACKED_OFF ||
status == PeerManager.PEER_NODE_STATUS_CONN_ERROR ||
status == PeerManager.PEER_NODE_STATUS_TOO_NEW ||
status == PeerManager.PEER_NODE_STATUS_TOO_OLD ||
status == PeerManager.PEER_NODE_STATUS_ROUTING_DISABLED ||
status == PeerManager.PEER_NODE_STATUS_DISCONNECTING)
return status;
if(isListenOnly)
return PeerManager.PEER_NODE_STATUS_LISTEN_ONLY;
if(isBurstOnly)
return PeerManager.PEER_NODE_STATUS_LISTENING;
return status;
}
public void enablePeer() {
synchronized(this) {
isDisabled = false;
}
setPeerNodeStatus(System.currentTimeMillis());
node.peers.writePeers();
}
public void disablePeer() {
synchronized(this) {
isDisabled = true;
}
if(isConnected()) {
forceDisconnect(true);
}
stopARKFetcher();
setPeerNodeStatus(System.currentTimeMillis());
node.peers.writePeers();
}
public synchronized boolean isDisabled() {
return isDisabled;
}
public void setListenOnly(boolean setting) {
synchronized(this) {
isListenOnly = setting;
}
if(setting && isBurstOnly()) {
setBurstOnly(false);
}
if(setting) {
stopARKFetcher();
}
setPeerNodeStatus(System.currentTimeMillis());
node.peers.writePeers();
}
public synchronized boolean isListenOnly() {
return isListenOnly;
}
public void setBurstOnly(boolean setting) {
synchronized(this) {
isBurstOnly = setting;
}
if(setting && isListenOnly()) {
setListenOnly(false);
}
long now = System.currentTimeMillis();
if(!setting) {
synchronized(this) {
sendHandshakeTime = now; // don't keep any long handshake delays we might have had under BurstOnly
}
}
setPeerNodeStatus(now);
node.peers.writePeers();
}
public void setIgnoreSourcePort(boolean setting) {
synchronized(this) {
ignoreSourcePort = setting;
}
}
/**
* Change the routing status of a peer
*
* @param shouldRoute
* @param localRequest (true everywhere but in NodeDispatcher)
*/
public void setRoutingStatus(boolean shouldRoute, boolean localRequest) {
synchronized(this) {
if(localRequest)
disableRoutingHasBeenSetLocally = !shouldRoute;
else
disableRoutingHasBeenSetRemotely = !shouldRoute;
disableRouting = disableRoutingHasBeenSetLocally || disableRoutingHasBeenSetRemotely;
}
if(localRequest) {
Message msg = DMT.createRoutingStatus(shouldRoute);
try {
sendAsync(msg, null, 0, node.nodeStats.setRoutingStatusCtr);
} catch(NotConnectedException e) {
// ok
}
}
setPeerNodeStatus(System.currentTimeMillis());
node.peers.writePeers();
}
public boolean isIgnoreSourcePort() {
return ignoreSourcePort;
}
public boolean isIgnoreSource() {
return ignoreSourcePort;
}
public boolean isBurstOnly() {
synchronized(this) {
if(isBurstOnly) return true;
}
return super.isBurstOnly();
}
public boolean allowLocalAddresses() {
synchronized(this) {
if(allowLocalAddresses) return true;
}
return super.allowLocalAddresses();
}
public void setAllowLocalAddresses(boolean setting) {
synchronized(this) {
allowLocalAddresses = setting;
}
node.peers.writePeers();
}
public boolean readExtraPeerData() {
String extraPeerDataDirPath = node.getExtraPeerDataDir();
File extraPeerDataPeerDir = new File(extraPeerDataDirPath+File.separator+getIdentityString());
if(!extraPeerDataPeerDir.exists()) {
return false;
}
if(!extraPeerDataPeerDir.isDirectory()) {
Logger.error(this, "Extra peer data directory for peer not a directory: "+extraPeerDataPeerDir.getPath());
return false;
}
File[] extraPeerDataFiles = extraPeerDataPeerDir.listFiles();
if(extraPeerDataFiles == null) {
return false;
}
boolean gotError = false;
boolean readResult = false;
for (int i = 0; i < extraPeerDataFiles.length; i++) {
Integer fileNumber;
try {
fileNumber = new Integer(extraPeerDataFiles[i].getName());
} catch (NumberFormatException e) {
gotError = true;
continue;
}
synchronized(extraPeerDataFileNumbers) {
extraPeerDataFileNumbers.add(fileNumber);
}
readResult = readExtraPeerDataFile(extraPeerDataFiles[i], fileNumber.intValue());
if(!readResult) {
gotError = true;
}
}
return !gotError;
}
public boolean rereadExtraPeerDataFile(int fileNumber) {
if(logMINOR)
Logger.minor(this, "Rereading peer data file "+fileNumber+" for "+shortToString());
String extraPeerDataDirPath = node.getExtraPeerDataDir();
File extraPeerDataPeerDir = new File(extraPeerDataDirPath+File.separator+getIdentityString());
if(!extraPeerDataPeerDir.exists()) {
Logger.error(this, "Extra peer data directory for peer does not exist: "+extraPeerDataPeerDir.getPath());
return false;
}
if(!extraPeerDataPeerDir.isDirectory()) {
Logger.error(this, "Extra peer data directory for peer not a directory: "+extraPeerDataPeerDir.getPath());
return false;
}
File extraPeerDataFile = new File(extraPeerDataDirPath+File.separator+getIdentityString()+File.separator+fileNumber);
if(!extraPeerDataFile.exists()) {
Logger.error(this, "Extra peer data file for peer does not exist: "+extraPeerDataFile.getPath());
return false;
}
return readExtraPeerDataFile(extraPeerDataFile, fileNumber);
}
public boolean readExtraPeerDataFile(File extraPeerDataFile, int fileNumber) {
if(logMINOR) Logger.minor(this, "Reading "+extraPeerDataFile+" : "+fileNumber+" for "+shortToString());
boolean gotError = false;
if(!extraPeerDataFile.exists()) {
if(logMINOR)
Logger.minor(this, "Does not exist");
return false;
}
Logger.normal(this, "extraPeerDataFile: "+extraPeerDataFile.getPath());
FileInputStream fis;
try {
fis = new FileInputStream(extraPeerDataFile);
} catch (FileNotFoundException e1) {
Logger.normal(this, "Extra peer data file not found: "+extraPeerDataFile.getPath());
return false;
}
InputStreamReader isr;
try {
isr = new InputStreamReader(fis, "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
BufferedReader br = new BufferedReader(isr);
SimpleFieldSet fs = null;
try {
// Read in the single SimpleFieldSet
fs = new SimpleFieldSet(br, false, true);
} catch (EOFException e3) {
// End of file, fine
} catch (IOException e4) {
Logger.error(this, "Could not read extra peer data file: "+e4, e4);
} finally {
try {
br.close();
} catch (IOException e5) {
Logger.error(this, "Ignoring "+e5+" caught reading "+extraPeerDataFile.getPath(), e5);
}
}
if(fs == null) {
Logger.normal(this, "Deleting corrupt (too short?) file: "+extraPeerDataFile);
deleteExtraPeerDataFile(fileNumber);
return true;
}
boolean parseResult = false;
try {
parseResult = parseExtraPeerData(fs, extraPeerDataFile, fileNumber);
if(!parseResult) {
gotError = true;
}
} catch (FSParseException e2) {
Logger.error(this, "Could not parse extra peer data: "+e2+ '\n' +fs.toString(),e2);
gotError = true;
}
return !gotError;
}
private boolean parseExtraPeerData(SimpleFieldSet fs, File extraPeerDataFile, int fileNumber) throws FSParseException {
String extraPeerDataTypeString = fs.get("extraPeerDataType");
int extraPeerDataType = -1;
try {
extraPeerDataType = Integer.parseInt(extraPeerDataTypeString);
} catch (NumberFormatException e) {
Logger.error(this, "NumberFormatException parsing extraPeerDataType ("+extraPeerDataTypeString+") in file "+extraPeerDataFile.getPath());
return false;
}
if(extraPeerDataType == Node.EXTRA_PEER_DATA_TYPE_N2NTM) {
node.handleNodeToNodeTextMessageSimpleFieldSet(fs, this, fileNumber);
return true;
} else if(extraPeerDataType == Node.EXTRA_PEER_DATA_TYPE_PEER_NOTE) {
String peerNoteTypeString = fs.get("peerNoteType");
int peerNoteType = -1;
try {
peerNoteType = Integer.parseInt(peerNoteTypeString);
} catch (NumberFormatException e) {
Logger.error(this, "NumberFormatException parsing peerNoteType ("+peerNoteTypeString+") in file "+extraPeerDataFile.getPath());
return false;
}
if(peerNoteType == Node.PEER_NOTE_TYPE_PRIVATE_DARKNET_COMMENT) {
synchronized(privateDarknetComment) {
try {
privateDarknetComment = new String(Base64.decode(fs.get("privateDarknetComment")));
} catch (IllegalBase64Exception e) {
Logger.error(this, "Bad Base64 encoding when decoding a private darknet comment SimpleFieldSet", e);
return false;
}
privateDarknetCommentFileNumber = fileNumber;
}
return true;
}
Logger.error(this, "Read unknown peer note type '"+peerNoteType+"' from file "+extraPeerDataFile.getPath());
return false;
} else if(extraPeerDataType == Node.EXTRA_PEER_DATA_TYPE_QUEUED_TO_SEND_N2NM) {
boolean sendSuccess = false;
int type = fs.getInt("n2nType");
if(isConnected()) {
Message n2nm;
if(fs.get("extraPeerDataType") != null) {
fs.removeValue("extraPeerDataType");
}
if(fs.get("senderFileNumber") != null) {
fs.removeValue("senderFileNumber");
}
fs.putOverwrite("senderFileNumber", String.valueOf(fileNumber));
if(fs.get("sentTime") != null) {
fs.removeValue("sentTime");
}
fs.putOverwrite("sentTime", Long.toString(System.currentTimeMillis()));
try {
n2nm = DMT.createNodeToNodeMessage(type, fs.toString().getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
Logger.error(this, "UnsupportedEncodingException processing extraPeerDataType ("+extraPeerDataTypeString+") in file "+extraPeerDataFile.getPath(), e);
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
try {
synchronized(queuedToSendN2NMExtraPeerDataFileNumbers) {
node.usm.send(this, n2nm, null);
Logger.normal(this, "Sent queued ("+fileNumber+") N2NM to '"+getName()+"': "+n2nm);
sendSuccess = true;
queuedToSendN2NMExtraPeerDataFileNumbers.remove(new Integer(fileNumber));
}
deleteExtraPeerDataFile(fileNumber);
} catch (NotConnectedException e) {
sendSuccess = false; // redundant, but clear
}
}
if(!sendSuccess) {
synchronized(queuedToSendN2NMExtraPeerDataFileNumbers) {
fs.putOverwrite("extraPeerDataType", Integer.toString(extraPeerDataType));
fs.removeValue("sentTime");
queuedToSendN2NMExtraPeerDataFileNumbers.add(new Integer(fileNumber));
}
}
return true;
}
Logger.error(this, "Read unknown extra peer data type '"+extraPeerDataType+"' from file "+extraPeerDataFile.getPath());
return false;
}
public int writeNewExtraPeerDataFile(SimpleFieldSet fs, int extraPeerDataType) {
String extraPeerDataDirPath = node.getExtraPeerDataDir();
if(extraPeerDataType > 0)
fs.putOverwrite("extraPeerDataType", Integer.toString(extraPeerDataType));
File extraPeerDataPeerDir = new File(extraPeerDataDirPath+File.separator+getIdentityString());
if(!extraPeerDataPeerDir.exists()) {
if(!extraPeerDataPeerDir.mkdir()) {
Logger.error(this, "Extra peer data directory for peer could not be created: "+extraPeerDataPeerDir.getPath());
return -1;
}
}
if(!extraPeerDataPeerDir.isDirectory()) {
Logger.error(this, "Extra peer data directory for peer not a directory: "+extraPeerDataPeerDir.getPath());
return -1;
}
Integer[] localFileNumbers;
int nextFileNumber = 0;
synchronized(extraPeerDataFileNumbers) {
// Find the first free slot
localFileNumbers = (Integer[]) extraPeerDataFileNumbers.toArray(new Integer[extraPeerDataFileNumbers.size()]);
Arrays.sort(localFileNumbers);
for (int i = 0; i < localFileNumbers.length; i++) {
if(localFileNumbers[i].intValue() > nextFileNumber) {
break;
}
nextFileNumber = localFileNumbers[i].intValue() + 1;
}
extraPeerDataFileNumbers.add(new Integer(nextFileNumber));
}
FileOutputStream fos;
File extraPeerDataFile = new File(extraPeerDataPeerDir.getPath()+File.separator+nextFileNumber);
if(extraPeerDataFile.exists()) {
Logger.error(this, "Extra peer data file already exists: "+extraPeerDataFile.getPath());
return -1;
}
String f = extraPeerDataFile.getPath();
try {
fos = new FileOutputStream(f);
} catch (FileNotFoundException e2) {
Logger.error(this, "Cannot write extra peer data file to disk: Cannot create "
+ f + " - " + e2, e2);
return -1;
}
OutputStreamWriter w;
try {
w = new OutputStreamWriter(fos, "UTF-8");
} catch (UnsupportedEncodingException e2) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e2, e2);
}
BufferedWriter bw = new BufferedWriter(w);
try {
fs.writeTo(bw);
bw.close();
} catch (IOException e) {
try {
fos.close();
} catch (IOException e1) {
Logger.error(this, "Cannot close extra peer data file: "+e, e);
}
Logger.error(this, "Cannot write file: " + e, e);
return -1;
}
return nextFileNumber;
}
public void deleteExtraPeerDataFile(int fileNumber) {
String extraPeerDataDirPath = node.getExtraPeerDataDir();
File extraPeerDataPeerDir = new File(extraPeerDataDirPath, getIdentityString());
if(!extraPeerDataPeerDir.exists()) {
Logger.error(this, "Extra peer data directory for peer does not exist: "+extraPeerDataPeerDir.getPath());
return;
}
if(!extraPeerDataPeerDir.isDirectory()) {
Logger.error(this, "Extra peer data directory for peer not a directory: "+extraPeerDataPeerDir.getPath());
return;
}
File extraPeerDataFile = new File(extraPeerDataPeerDir, Integer.toString(fileNumber));
if(!extraPeerDataFile.exists()) {
Logger.error(this, "Extra peer data file for peer does not exist: "+extraPeerDataFile.getPath());
return;
}
synchronized(extraPeerDataFileNumbers) {
extraPeerDataFileNumbers.remove(new Integer(fileNumber));
}
if(!extraPeerDataFile.delete()) {
if(extraPeerDataFile.exists()) {
Logger.error(this, "Cannot delete file "+extraPeerDataFile+" after sending message to "+getPeer()+" - it may be resent on resting the node");
} else {
Logger.normal(this, "File does not exist when deleting: "+extraPeerDataFile+" after sending message to "+getPeer());
}
}
}
public void removeExtraPeerDataDir() {
String extraPeerDataDirPath = node.getExtraPeerDataDir();
File extraPeerDataPeerDir = new File(extraPeerDataDirPath+File.separator+getIdentityString());
if(!extraPeerDataPeerDir.exists()) {
Logger.error(this, "Extra peer data directory for peer does not exist: "+extraPeerDataPeerDir.getPath());
return;
}
if(!extraPeerDataPeerDir.isDirectory()) {
Logger.error(this, "Extra peer data directory for peer not a directory: "+extraPeerDataPeerDir.getPath());
return;
}
Integer[] localFileNumbers;
synchronized(extraPeerDataFileNumbers) {
localFileNumbers = (Integer[]) extraPeerDataFileNumbers.toArray(new Integer[extraPeerDataFileNumbers.size()]);
}
for (int i = 0; i < localFileNumbers.length; i++) {
deleteExtraPeerDataFile(localFileNumbers[i].intValue());
}
extraPeerDataPeerDir.delete();
}
public boolean rewriteExtraPeerDataFile(SimpleFieldSet fs, int extraPeerDataType, int fileNumber) {
String extraPeerDataDirPath = node.getExtraPeerDataDir();
if(extraPeerDataType > 0)
fs.putOverwrite("extraPeerDataType", Integer.toString(extraPeerDataType));
File extraPeerDataPeerDir = new File(extraPeerDataDirPath+File.separator+getIdentityString());
if(!extraPeerDataPeerDir.exists()) {
Logger.error(this, "Extra peer data directory for peer does not exist: "+extraPeerDataPeerDir.getPath());
return false;
}
if(!extraPeerDataPeerDir.isDirectory()) {
Logger.error(this, "Extra peer data directory for peer not a directory: "+extraPeerDataPeerDir.getPath());
return false;
}
File extraPeerDataFile = new File(extraPeerDataDirPath+File.separator+getIdentityString()+File.separator+fileNumber);
if(!extraPeerDataFile.exists()) {
Logger.error(this, "Extra peer data file for peer does not exist: "+extraPeerDataFile.getPath());
return false;
}
String f = extraPeerDataFile.getPath();
FileOutputStream fos;
try {
fos = new FileOutputStream(f);
} catch (FileNotFoundException e2) {
Logger.error(this, "Cannot write extra peer data file to disk: Cannot open "
+ f + " - " + e2, e2);
return false;
}
OutputStreamWriter w;
try {
w = new OutputStreamWriter(fos, "UTF-8");
} catch (UnsupportedEncodingException e2) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e2, e2);
}
BufferedWriter bw = new BufferedWriter(w);
try {
fs.writeTo(bw);
bw.close();
} catch (IOException e) {
try {
fos.close();
} catch (IOException e1) {
Logger.error(this, "Cannot close extra peer data file: "+e, e);
}
Logger.error(this, "Cannot write file: " + e, e);
return false;
}
return true;
}
public synchronized String getPrivateDarknetCommentNote() {
return privateDarknetComment;
}
public synchronized void setPrivateDarknetCommentNote(String comment) {
int localFileNumber;
synchronized(privateDarknetComment) {
privateDarknetComment = comment;
localFileNumber = privateDarknetCommentFileNumber;
}
SimpleFieldSet fs = new SimpleFieldSet(true);
fs.put("peerNoteType", Node.PEER_NOTE_TYPE_PRIVATE_DARKNET_COMMENT);
try {
fs.putSingle("privateDarknetComment", Base64.encode(comment.getBytes("UTF-8")));
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
if(localFileNumber == -1) {
localFileNumber = writeNewExtraPeerDataFile(fs, Node.EXTRA_PEER_DATA_TYPE_PEER_NOTE);
synchronized(privateDarknetComment) {
privateDarknetCommentFileNumber = localFileNumber;
}
} else {
rewriteExtraPeerDataFile(fs, Node.EXTRA_PEER_DATA_TYPE_PEER_NOTE, localFileNumber);
}
}
public void queueN2NM(SimpleFieldSet fs) {
int fileNumber = writeNewExtraPeerDataFile( fs, Node.EXTRA_PEER_DATA_TYPE_QUEUED_TO_SEND_N2NM);
synchronized(queuedToSendN2NMExtraPeerDataFileNumbers) {
queuedToSendN2NMExtraPeerDataFileNumbers.add(new Integer(fileNumber));
}
}
public void sendQueuedN2NMs() {
if(logMINOR)
Logger.minor(this, "Sending queued N2NMs for "+shortToString());
Integer[] localFileNumbers;
synchronized(queuedToSendN2NMExtraPeerDataFileNumbers) {
localFileNumbers = (Integer[]) queuedToSendN2NMExtraPeerDataFileNumbers.toArray(new Integer[queuedToSendN2NMExtraPeerDataFileNumbers.size()]);
}
Arrays.sort(localFileNumbers);
for (int i = 0; i < localFileNumbers.length; i++) {
rereadExtraPeerDataFile(localFileNumbers[i].intValue());
}
}
void startARKFetcher() {
synchronized(this) {
if(isListenOnly) {
Logger.minor(this, "Not starting ark fetcher for "+this+" as it's in listen-only mode.");
return;
}
}
super.startARKFetcher();
}
public String getTMCIPeerInfo() {
return getName()+'\t'+super.getTMCIPeerInfo();
}
/**
* A method to be called once at the beginning of every time isConnected() is true
*/
protected void onConnect() {
sendQueuedN2NMs();
}
// File transfer offers
// FIXME this should probably be somewhere else, along with the N2NM stuff... but where?
// FIXME this should be persistent across node restarts
/** Files I have offered to this peer */
private final HashMap myFileOffersByUID = new HashMap();
/** Files this peer has offered to me */
private final HashMap hisFileOffersByUID = new HashMap();
private void storeOffers() {
// FIXME do something
}
class FileOffer {
final long uid;
final String filename;
final String mimeType;
final String comment;
private RandomAccessThing data;
final long size;
/** Who is offering it? True = I am offering it, False = I am being offered it */
final boolean amIOffering;
private PartiallyReceivedBulk prb;
private BulkTransmitter transmitter;
private BulkReceiver receiver;
/** True if the offer has either been accepted or rejected */
private boolean acceptedOrRejected;
FileOffer(long uid, RandomAccessThing data, String filename, String mimeType, String comment) throws IOException {
this.uid = uid;
this.data = data;
this.filename = filename;
this.mimeType = mimeType;
this.comment = comment;
size = data.size();
amIOffering = true;
}
public FileOffer(SimpleFieldSet fs, boolean amIOffering) throws FSParseException {
uid = fs.getLong("uid");
size = fs.getLong("size");
mimeType = fs.get("metadata.contentType");
filename = FileUtil.sanitize(fs.get("filename"), mimeType);
String s = fs.get("comment");
if(s != null) {
try {
s = new String(Base64.decode(s), "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
} catch (IllegalBase64Exception e) {
// Maybe it wasn't encoded? FIXME remove
}
}
comment = s;
this.amIOffering = amIOffering;
}
public void toFieldSet(SimpleFieldSet fs) {
fs.put("uid", uid);
fs.putSingle("filename", filename);
fs.putSingle("metadata.contentType", mimeType);
try {
fs.putSingle("comment", Base64.encode(comment.getBytes("UTF-8")));
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
fs.put("size", size);
}
public void accept() {
acceptedOrRejected = true;
File dest = new File(node.clientCore.downloadDir, "direct-"+FileUtil.sanitize(getName())+"-"+filename);
try {
data = new RandomAccessFileWrapper(dest, "rw");
} catch (FileNotFoundException e) {
// Impossible
throw new Error("Impossible: FileNotFoundException opening with RAF with rw! "+e, e);
}
prb = new PartiallyReceivedBulk(node.usm, size, Node.PACKET_SIZE, data, false);
receiver = new BulkReceiver(prb, DarknetPeerNode.this, uid, null);
// FIXME make this persistent
node.executor.execute(new Runnable() {
public void run() {
if(logMINOR)
Logger.minor(this, "Received file");
try {
if(!receiver.receive()) {
String err = "Failed to receive "+this;
Logger.error(this, err);
System.err.println(err);
onReceiveFailure();
} else {
onReceiveSuccess();
}
} catch (Throwable t) {
Logger.error(this, "Caught "+t+" receiving file", t);
onReceiveFailure();
} finally {
remove();
}
if(logMINOR)
Logger.minor(this, "Received file");
}
}, "Receiver for bulk transfer "+uid+":"+filename);
sendFileOfferAccepted(uid);
}
protected void remove() {
Long l = new Long(uid);
synchronized(DarknetPeerNode.this) {
myFileOffersByUID.remove(l);
hisFileOffersByUID.remove(l);
}
data.close();
}
public void send() throws DisconnectedException {
prb = new PartiallyReceivedBulk(node.usm, size, Node.PACKET_SIZE, data, true);
transmitter = new BulkTransmitter(prb, DarknetPeerNode.this, uid, false, node.nodeStats.nodeToNodeCounter);
if(logMINOR)
Logger.minor(this, "Sending "+uid);
node.executor.execute(new Runnable() {
public void run() {
if(logMINOR)
Logger.minor(this, "Sending file");
try {
if(!transmitter.send()) {
String err = "Failed to send "+uid+" for "+FileOffer.this;
Logger.error(this, err);
System.err.println(err);
}
} catch (Throwable t) {
Logger.error(this, "Caught "+t+" sending file", t);
remove();
}
if(logMINOR)
Logger.minor(this, "Sent file");
}
}, "Sender for bulk transfer "+uid+":"+filename);
}
public void reject() {
acceptedOrRejected = true;
sendFileOfferRejected(uid);
}
public void onRejected() {
transmitter.cancel("FileOffer: Offer rejected");
// FIXME prb's can't be shared, right? Well they aren't here...
prb.abort(RetrievalException.CANCELLED_BY_RECEIVER, "Cancelled by receiver");
}
protected void onReceiveFailure() {
UserAlert alert = new AbstractUserAlert() {
public String dismissButtonText() {
return L10n.getString("UserAlert.hide");
}
public HTMLNode getHTMLText() {
HTMLNode div = new HTMLNode("div");
div.addChild("p", l10n("failedReceiveHeader", new String[] { "filename", "node" },
new String[] { filename, getName() }));
// Descriptive table
HTMLNode table = div.addChild("table", "border", "0");
HTMLNode row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("fileLabel"));
row.addChild("td").addChild("#", filename);
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("sizeLabel"));
row.addChild("td").addChild("#", SizeUtil.formatSize(size));
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("mimeLabel"));
row.addChild("td").addChild("#", mimeType);
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("senderLabel"));
row.addChild("td").addChild("#", getName());
row = table.addChild("tr");
if(comment != null && comment.length() > 0) {
row.addChild("td").addChild("#", l10n("commentLabel"));
addComment(row.addChild("td"));
}
return div;
}
public short getPriorityClass() {
return UserAlert.MINOR;
}
public String getText() {
StringBuffer sb = new StringBuffer();
sb.append(l10n("failedReceiveHeader", new String[] { "filename", "node" },
new String[] { filename, getName() }));
sb.append('\n');
sb.append(l10n("fileLabel"));
sb.append(' ');
sb.append(filename);
sb.append('\n');
sb.append(l10n("sizeLabel"));
sb.append(' ');
sb.append(SizeUtil.formatSize(size));
sb.append('\n');
sb.append(l10n("mimeLabel"));
sb.append(' ');
sb.append(mimeType);
sb.append('\n');
sb.append(l10n("senderLabel"));
sb.append(' ');
sb.append(getName());
sb.append('\n');
if(comment != null && comment.length() > 0) {
sb.append(l10n("commentLabel"));
sb.append(' ');
sb.append(comment);
}
return sb.toString();
}
public String getTitle() {
return l10n("failedReceiveTitle");
}
public boolean isValid() {
return true;
}
public void isValid(boolean validity) {
// Ignore
}
public void onDismiss() {
// Ignore
}
public boolean shouldUnregisterOnDismiss() {
return true;
}
public boolean userCanDismiss() {
return true;
}
public String getShortText() {
return l10n("failedReceiveShort", new String[] { "filename", "node" }, new String[] { filename, getName() });
}
};
node.clientCore.alerts.register(alert);
}
private void onReceiveSuccess() {
UserAlert alert = new AbstractUserAlert() {
public String dismissButtonText() {
return L10n.getString("UserAlert.hide");
}
public HTMLNode getHTMLText() {
HTMLNode div = new HTMLNode("div");
// FIXME localise!!!
div.addChild("p", l10n("succeededReceiveHeader", new String[] { "filename", "node" },
new String[] { filename, getName() }));
// Descriptive table
HTMLNode table = div.addChild("table", "border", "0");
HTMLNode row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("fileLabel"));
row.addChild("td").addChild("#", filename);
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("sizeLabel"));
row.addChild("td").addChild("#", SizeUtil.formatSize(size));
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("mimeLabel"));
row.addChild("td").addChild("#", mimeType);
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("senderLabel"));
row.addChild("td").addChild("#", getName());
row = table.addChild("tr");
if(comment != null && comment.length() > 0) {
row.addChild("td").addChild("#", l10n("commentLabel"));
addComment(row.addChild("td"));
}
return div;
}
public short getPriorityClass() {
return UserAlert.MINOR;
}
public String getText() {
StringBuffer sb = new StringBuffer();
sb.append(l10n("succeededReceiveHeader", new String[] { "filename", "node" },
new String[] { filename, getName() }));
sb.append('\n');
sb.append(l10n("fileLabel"));
sb.append(' ');
sb.append(filename);
sb.append('\n');
sb.append(l10n("sizeLabel"));
sb.append(' ');
sb.append(SizeUtil.formatSize(size));
sb.append('\n');
sb.append(l10n("mimeLabel"));
sb.append(' ');
sb.append(mimeType);
sb.append('\n');
sb.append(l10n("senderLabel"));
sb.append(' ');
sb.append(userToString());
sb.append('\n');
if(comment != null && comment.length() > 0) {
sb.append(l10n("commentLabel"));
sb.append(' ');
sb.append(comment);
}
return sb.toString();
}
public String getTitle() {
return l10n("succeededReceiveTitle");
}
public boolean isValid() {
return true;
}
public void isValid(boolean validity) {
// Ignore
}
public void onDismiss() {
// Ignore
}
public boolean shouldUnregisterOnDismiss() {
return true;
}
public boolean userCanDismiss() {
return true;
}
public String getShortText() {
return l10n("succeededReceiveShort", new String[] { "filename", "node" }, new String[] { filename, getName() });
}
};
node.clientCore.alerts.register(alert);
}
/** Ask the user whether (s)he wants to download a file from a direct peer */
public UserAlert askUserUserAlert() {
return new AbstractUserAlert() {
public String dismissButtonText() {
return null; // Cannot hide, but can reject
}
public HTMLNode getHTMLText() {
HTMLNode div = new HTMLNode("div");
div.addChild("p", l10n("offeredFileHeader", "name", getName()));
// Descriptive table
HTMLNode table = div.addChild("table", "border", "0");
HTMLNode row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("fileLabel"));
row.addChild("td").addChild("#", filename);
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("sizeLabel"));
row.addChild("td").addChild("#", SizeUtil.formatSize(size));
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("mimeLabel"));
row.addChild("td").addChild("#", mimeType);
row = table.addChild("tr");
row.addChild("td").addChild("#", l10n("senderLabel"));
row.addChild("td").addChild("#", getName());
row = table.addChild("tr");
if(comment != null && comment.length() > 0) {
row.addChild("td").addChild("#", l10n("commentLabel"));
addComment(row.addChild("td"));
}
// Accept/reject form
// Hopefully we will have a container when this function is called!
HTMLNode form = node.clientCore.getToadletContainer().addFormChild(div, "/friends/", "f2fFileOfferAcceptForm");
// FIXME node_ is inefficient
form.addChild("input", new String[] { "type", "name" },
new String[] { "hidden", "node_"+DarknetPeerNode.this.hashCode() });
form.addChild("input", new String[] { "type", "name", "value" },
new String[] { "hidden", "id", Long.toString(uid) });
form.addChild("input", new String[] { "type", "name", "value" },
new String[] { "submit", "acceptTransfer", l10n("acceptTransferButton") });
form.addChild("input", new String[] { "type", "name", "value" },
new String[] { "submit", "rejectTransfer", l10n("rejectTransferButton") });
return div;
}
public short getPriorityClass() {
return UserAlert.MINOR;
}
public String getText() {
StringBuffer sb = new StringBuffer();
sb.append(l10n("offeredFileHeader", "name", getName()));
sb.append('\n');
sb.append(l10n("fileLabel"));
sb.append(' ');
sb.append(filename);
sb.append('\n');
sb.append(l10n("sizeLabel"));
sb.append(' ');
sb.append(SizeUtil.formatSize(size));
sb.append('\n');
sb.append(l10n("mimeLabel"));
sb.append(' ');
sb.append(mimeType);
sb.append('\n');
sb.append(l10n("senderLabel"));
sb.append(' ');
sb.append(userToString());
sb.append('\n');
if(comment != null && comment.length() > 0) {
sb.append(l10n("commentLabel"));
sb.append(' ');
sb.append(comment);
}
return sb.toString();
}
public String getTitle() {
return l10n("askUserTitle");
}
public boolean isValid() {
if(acceptedOrRejected) {
node.clientCore.alerts.unregister(this);
return false;
}
return true;
}
public void isValid(boolean validity) {
// Ignore
}
public void onDismiss() {
// Ignore
}
public boolean shouldUnregisterOnDismiss() {
return false;
}
public boolean userCanDismiss() {
return false; // should accept or reject
}
public String getShortText() {
return l10n("offeredFileShort", new String[] { "filename", "node" }, new String[] { filename, getName() });
}
};
}
protected void addComment(HTMLNode node) {
String[] lines = comment.split("\n");
for (int i = 0, c = lines.length; i < c; i++) {
node.addChild("#", lines[i]);
if(i != lines.length - 1)
node.addChild("br");
}
}
private String l10n(String key) {
return L10n.getString("FileOffer."+key);
}
private String l10n(String key, String pattern, String value) {
return L10n.getString("FileOffer."+key, pattern, value);
}
private String l10n(String key, String[] pattern, String[] value) {
return L10n.getString("FileOffer."+key, pattern, value);
}
}
public int sendTextMessage(String message) {
long now = System.currentTimeMillis();
SimpleFieldSet fs = new SimpleFieldSet(true);
fs.put("type", Node.N2N_TEXT_MESSAGE_TYPE_USERALERT);
try {
fs.putSingle("source_nodename", Base64.encode(node.getMyName().getBytes("UTF-8")));
fs.putSingle("target_nodename", Base64.encode(getName().getBytes("UTF-8")));
fs.putSingle("text", Base64.encode(message.getBytes("UTF-8")));
fs.put("composedTime", now);
sendNodeToNodeMessage(fs, Node.N2N_MESSAGE_TYPE_FPROXY, true, now, true);
this.setPeerNodeStatus(System.currentTimeMillis());
return getPeerNodeStatus();
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
}
public int sendFileOfferAccepted(long uid) {
// FIXME: perhaps can be refactored to use sendNodeToNodeMessage()
storeOffers();
long now = System.currentTimeMillis();
SimpleFieldSet fs = new SimpleFieldSet(true);
fs.put("n2nType", Node.N2N_MESSAGE_TYPE_FPROXY);
fs.put("type", Node.N2N_TEXT_MESSAGE_TYPE_FILE_OFFER_ACCEPTED);
try {
fs.putSingle("source_nodename", Base64.encode(node.getMyName().getBytes("UTF-8")));
fs.putSingle("target_nodename", Base64.encode(getName().getBytes("UTF-8")));
fs.put("composedTime", now);
fs.put("sentTime", now);
fs.put("uid", uid);
if(logMINOR)
Logger.minor(this, "Sending node to node message (file offer accepted):\n"+fs);
Message n2ntm;
n2ntm = DMT.createNodeToNodeMessage(
Node.N2N_MESSAGE_TYPE_FPROXY, fs
.toString().getBytes("UTF-8"));
try {
sendAsync(n2ntm, null, 0, node.nodeStats.nodeToNodeCounter);
} catch (NotConnectedException e) {
fs.removeValue("sentTime");
queueN2NM(fs);
setPeerNodeStatus(System.currentTimeMillis());
return getPeerNodeStatus();
}
this.setPeerNodeStatus(System.currentTimeMillis());
return getPeerNodeStatus();
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
}
public int sendFileOfferRejected(long uid) {
// FIXME: perhaps can be refactored to use sendNodeToNodeMessage()
storeOffers();
long now = System.currentTimeMillis();
SimpleFieldSet fs = new SimpleFieldSet(true);
fs.put("n2nType", Node.N2N_MESSAGE_TYPE_FPROXY);
fs.put("type", Node.N2N_TEXT_MESSAGE_TYPE_FILE_OFFER_REJECTED);
try {
fs.putSingle("source_nodename", Base64.encode(node.getMyName().getBytes("UTF-8")));
fs.putSingle("target_nodename", Base64.encode(getName().getBytes("UTF-8")));
fs.put("composedTime", now);
fs.put("sentTime", now);
fs.put("uid", uid);
if(logMINOR)
Logger.minor(this, "Sending node to node message (file offer rejected):\n"+fs);
Message n2ntm;
n2ntm = DMT.createNodeToNodeMessage(
Node.N2N_MESSAGE_TYPE_FPROXY, fs
.toString().getBytes("UTF-8"));
try {
sendAsync(n2ntm, null, 0, node.nodeStats.nodeToNodeCounter);
} catch (NotConnectedException e) {
fs.removeValue("sentTime");
queueN2NM(fs);
setPeerNodeStatus(System.currentTimeMillis());
return getPeerNodeStatus();
}
this.setPeerNodeStatus(System.currentTimeMillis());
return getPeerNodeStatus();
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
}
public int sendFileOffer(File filename, String message) throws IOException {
// FIXME: perhaps can be refactored to use sendNodeToNodeMessage()
String fnam = filename.getName();
String mime = DefaultMIMETypes.guessMIMEType(fnam, false);
long uid = node.random.nextLong();
RandomAccessThing data = new RandomAccessFileWrapper(filename, "r");
FileOffer fo = new FileOffer(uid, data, fnam, mime, message);
synchronized(this) {
myFileOffersByUID.put(new Long(uid), fo);
}
storeOffers();
long now = System.currentTimeMillis();
SimpleFieldSet fs = new SimpleFieldSet(true);
fs.put("n2nType", Node.N2N_MESSAGE_TYPE_FPROXY);
fs.put("type", Node.N2N_TEXT_MESSAGE_TYPE_FILE_OFFER);
try {
fs.putSingle("source_nodename", Base64.encode(node.getMyName().getBytes("UTF-8")));
fs.putSingle("target_nodename", Base64.encode(getName().getBytes("UTF-8")));
fs.put("composedTime", now);
fs.put("sentTime", now);
fo.toFieldSet(fs);
if(logMINOR)
Logger.minor(this, "Sending node to node message (file offer):\n"+fs);
Message n2ntm;
int status = getPeerNodeStatus();
n2ntm = DMT.createNodeToNodeMessage(
Node.N2N_MESSAGE_TYPE_FPROXY, fs
.toString().getBytes("UTF-8"));
try {
sendAsync(n2ntm, null, 0, node.nodeStats.nodeToNodeCounter);
} catch (NotConnectedException e) {
fs.removeValue("sentTime");
queueN2NM(fs);
setPeerNodeStatus(System.currentTimeMillis());
return getPeerNodeStatus();
}
return status;
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
}
public void handleFproxyN2NTM(SimpleFieldSet fs, int fileNumber) {
String source_nodename = null;
String target_nodename = null;
String text = null;
long composedTime;
long sentTime;
long receivedTime;
try {
source_nodename = new String(Base64.decode(fs.get("source_nodename")));
target_nodename = new String(Base64.decode(fs.get("target_nodename")));
text = new String(Base64.decode(fs.get("text")));
composedTime = fs.getLong("composedTime", -1);
sentTime = fs.getLong("sentTime", -1);
receivedTime = fs.getLong("receivedTime", -1);
} catch (IllegalBase64Exception e) {
Logger.error(this, "Bad Base64 encoding when decoding a N2NTM SimpleFieldSet", e);
return;
}
N2NTMUserAlert userAlert = new N2NTMUserAlert(this, source_nodename, target_nodename, text, fileNumber, composedTime, sentTime, receivedTime);
node.clientCore.alerts.register(userAlert);
}
public void handleFproxyFileOffer(SimpleFieldSet fs, int fileNumber) {
final FileOffer offer;
try {
offer = new FileOffer(fs, false);
} catch (FSParseException e) {
Logger.error(this, "Could not parse offer: "+e+" on "+this+" :\n"+fs, e);
return;
}
Long u = new Long(offer.uid);
synchronized(this) {
if(hisFileOffersByUID.containsKey(u)) return; // Ignore re-advertisement
hisFileOffersByUID.put(u, offer);
}
// Don't persist for now - FIXME
this.deleteExtraPeerDataFile(fileNumber);
UserAlert alert = offer.askUserUserAlert();
node.clientCore.alerts.register(alert);
}
public void acceptTransfer(long id) {
if(logMINOR)
Logger.minor(this, "Accepting transfer "+id+" on "+this);
FileOffer fo;
synchronized(this) {
fo = (FileOffer) hisFileOffersByUID.get(new Long(id));
}
fo.accept();
}
public void rejectTransfer(long id) {
FileOffer fo;
synchronized(this) {
fo = (FileOffer) hisFileOffersByUID.remove(new Long(id));
}
fo.reject();
}
public void handleFproxyFileOfferAccepted(SimpleFieldSet fs, int fileNumber) {
// Don't persist for now - FIXME
this.deleteExtraPeerDataFile(fileNumber);
long uid;
try {
uid = fs.getLong("uid");
} catch (FSParseException e) {
Logger.error(this, "Could not parse offer accepted: "+e+" on "+this+" :\n"+fs, e);
return;
}
if(logMINOR)
Logger.minor(this, "Offer accepted for "+uid);
Long u = new Long(uid);
FileOffer fo;
synchronized(this) {
fo = (FileOffer) (myFileOffersByUID.get(u));
}
if(fo == null) {
Logger.error(this, "No such offer: "+uid);
try {
sendAsync(DMT.createFNPBulkSendAborted(uid), null, 0, node.nodeStats.nodeToNodeCounter);
} catch (NotConnectedException e) {
// Fine by me!
}
return;
}
try {
fo.send();
} catch (DisconnectedException e) {
Logger.error(this, "Cannot send because node disconnected: "+e+" for "+uid+":"+fo.filename, e);
}
}
public void handleFproxyFileOfferRejected(SimpleFieldSet fs, int fileNumber) {
// Don't persist for now - FIXME
this.deleteExtraPeerDataFile(fileNumber);
long uid;
try {
uid = fs.getLong("uid");
} catch (FSParseException e) {
Logger.error(this, "Could not parse offer rejected: "+e+" on "+this+" :\n"+fs, e);
return;
}
FileOffer fo;
synchronized(this) {
fo = (FileOffer) myFileOffersByUID.remove(new Long(uid));
}
fo.onRejected();
}
public String userToString() {
return ""+getPeer()+" : "+getName();
}
public PeerNodeStatus getStatus(boolean noHeavy) {
return new DarknetPeerNodeStatus(this, noHeavy);
}
public boolean isDarknet() {
return true;
}
public boolean isOpennet() {
return false;
}
public void onSuccess(boolean insert, boolean ssk) {
// Ignore it
}
public void onRemove() {
// Do nothing
// FIXME is there anything we should do?
}
public boolean isRealConnection() {
return true;
}
public boolean recordStatus() {
return true;
}
protected boolean generateIdentityFromPubkey() {
return false;
}
public boolean equals(Object o) {
if(o == this) return true;
// Only equal to seednode of its own type.
if(o instanceof DarknetPeerNode) {
return super.equals(o);
} else return false;
}
public final boolean shouldDisconnectAndRemoveNow() {
return false;
}
}
The table below shows all metrics for DarknetPeerNode.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 288.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 83.00 | Comment lines | |
| COMMENT_DENSITY | 0.08 | Comment density | |
| COMPARISONS | 124.00 | Number of comparison operators | |
| CYCLOMATIC | 270.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 21.00 | Comments in declarations | |
| DOC_COMMENT | 44.00 | Number of javadoc comment lines | |
| ELOC | 1069.00 | Effective lines of code | |
| EXEC_COMMENTS | 35.00 | Comments in executable code | |
| EXITS | 135.00 | Procedure exits | |
| FUNCTIONS | 108.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 117.08 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 250.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 1.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 7.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 38.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 1.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 1.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 4.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 2.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 3.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 38.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 1.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 1.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 1.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 1.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 10.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 9.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 4205.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 12.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 2.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 2.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 25.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 2.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 4.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 1542.00 | Number of lines in the source file | |
| LINE_COMMENT | 39.00 | Number of line comments | |
| LOC | 1310.00 | Lines of code | |
| LOGICAL_LINES | 736.00 | Number of statements | |
| LOOPS | 6.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 3159.00 | Number of operands | |
| OPERATORS | 6206.00 | Number of operators | |
| PARAMS | 69.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 9365.00 | Halstead program length | |
| PROGRAM_VOCAB | 797.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 181.00 | Number of return points from functions | |
| SIZE | 50292.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 742.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 55.00 | Number of unique operators | |
| WHITESPACE | 149.00 | Number of whitespace lines | |