/**
* Reads a base class overrride from a resource file
*
* @param binaryClassName
* @param fileName
*/
private void registerBaseClassOverride(String binaryClassName, String fileName) {
try {
Method mDefineClass =
ClassLoader.class.getDeclaredMethod(
"defineClass", String.class, byte[].class, int.class, int.class);
mDefineClass.setAccessible(true);
InputStream resourceInputStream =
LiteLoader.class.getResourceAsStream("/classes/" + fileName + ".bin");
if (resourceInputStream != null) {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
for (int readBytes = resourceInputStream.read();
readBytes >= 0;
readBytes = resourceInputStream.read()) {
outputStream.write(readBytes);
}
byte[] data = outputStream.toByteArray();
outputStream.close();
resourceInputStream.close();
logger.info("Defining class override for " + binaryClassName);
mDefineClass.invoke(
Minecraft.class.getClassLoader(), binaryClassName, data, 0, data.length);
} else {
logger.info("Error defining class override for " + binaryClassName + ", file not found");
}
} catch (Throwable th) {
logger.log(Level.WARNING, "Error defining class override for " + binaryClassName, th);
}
}
private static int readInt(InputStream is) throws IOException {
int value;
value =
((is.read() & 0xff)
+ ((is.read() & 0xff) << 8)
+ ((is.read() & 0xff) << 16)
+ ((is.read() & 0xff) << 24));
return value;
}
public static int pipe_stream(InputStream is, OutputStream os, boolean wantsKeepOpen)
throws IOException { // U: copia de un stream al otro
int cnt = 0;
int n;
byte[] buffer = new byte[BUFF_SZ];
while ((n = is.read(buffer)) > -1) {
cnt += n;
os.write(buffer, 0, n);
}
if (!wantsKeepOpen) {
is.close();
os.close();
}
return cnt;
}
public static String get_stream(InputStream is, String encoding) throws IOException {
if (encoding == null) {
encoding = CfgEncodingDflt;
}
byte[] buffer = new byte[BUFF_SZ];
StringBuilder out = new StringBuilder();
logm("DBG", 9, "STREAM GET", is + "");
for (; ; ) {
int rsz = is.read(buffer, 0, buffer.length);
logm("DBG", 9, "STREAM GET READ", rsz);
if (rsz < 0) break;
out.append(new String(buffer, 0, rsz, encoding));
}
String s = out.toString();
logm("DBG", 9, "STREAM GET RESULT", s);
return s;
}
@Override
public void run() {
byte[] buf = new byte[100];
try {
int len;
while ((len = in.read(buf)) > 0) {
String output = new String(buf, 0, len);
Thread t = Thread.currentThread();
System.out.println(
"thread " + t.getName() + " " + t.getId() + ", read " + len + " bytes: " + output);
}
} catch (IOException e) {
logger.log(Level.SEVERE, "Failed to read", e);
} finally {
try {
in.close();
} catch (IOException e) {
logger.log(Level.SEVERE, "Failed to close", e);
}
}
}
/**
* @param in input stream to be used (e.g. System.in)
* @param prompt The prompt to display to the user.
* @return The password as entered by the user.
*/
public static final char[] getPassword(InputStream in, String prompt) throws IOException {
MaskingThread maskingthread = new MaskingThread(prompt);
Thread thread = new Thread(maskingthread);
thread.start();
char[] lineBuffer;
char[] buf;
int i;
buf = lineBuffer = new char[128];
int room = buf.length;
int offset = 0;
int c;
loop:
while (true) {
c = in.read();
switch (c) {
case -1:
case '\n':
break loop;
case '\r':
int c2 = in.read();
if ((c2 != '\n') && (c2 != -1)) {
if (!(in instanceof PushbackInputStream)) {
in = new PushbackInputStream(in);
}
((PushbackInputStream) in).unread(c2);
} else {
break loop;
}
default:
if (--room < 0) {
buf = new char[offset + 128];
room = buf.length - offset - 1;
System.arraycopy(lineBuffer, 0, buf, 0, offset);
Arrays.fill(lineBuffer, ' ');
lineBuffer = buf;
}
buf[offset++] = (char) c;
break;
}
}
maskingthread.stopMasking();
System.out.print("\010");
// Code to clear doskey on win nt/2000 - Alt+F7
String os = System.getProperty("os.name");
if (os != null && os.toLowerCase().startsWith("windows")) {
try {
java.awt.Robot robot = new java.awt.Robot();
robot.keyPress(java.awt.event.KeyEvent.VK_ALT);
robot.keyPress(java.awt.event.KeyEvent.VK_F7);
robot.keyRelease(java.awt.event.KeyEvent.VK_F7);
robot.keyRelease(java.awt.event.KeyEvent.VK_ALT);
} catch (Exception ignore) {
logger.warning("Could not clears command history: " + ignore);
}
}
if (offset == 0) {
return null;
}
char[] ret = new char[offset];
System.arraycopy(buf, 0, ret, 0, offset);
Arrays.fill(buf, ' ');
return ret;
}
@Override
public void run() {
try {
socketInput =
new BufferedReader(
new InputStreamReader(
connectionSocket.getInputStream())); // get the inputstream from other peer
pieceReader =
connectionSocket
.getInputStream(); // return an input stream for reading bytes from this socket.
socketOutput =
new DataOutputStream(
connectionSocket.getOutputStream()); // get the outputstream to others
// return an output stream for writing bytes to this socket.
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
// TCP handshake
if (OtherPeerID != -1) {
try {
socketOutput.writeBytes(handshakeMsg);
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
checkHandShakeMsg = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
checkHandShakeHeader = checkHandShakeMsg.substring(0, 18);
OtherPeerID = Integer.parseInt(checkHandShakeMsg.substring(28, 32));
} else // ackhandshake
{
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
checkHandShakeMsg = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
checkHandShakeHeader = checkHandShakeMsg.substring(0, 18);
OtherPeerID = Integer.parseInt(checkHandShakeMsg.substring(28, 32));
if (checkHandShakeHeader.equals(handshakeheader)) {
try { // if it is the right neighbour, write log that peer1 is connected from peer2
peerProcess.logfile.write(LogWriter.logmsg(1, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
socketOutput.writeBytes(handshakeMsg);
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
// start transferring
try {
while (quited == false
&& (peerProcess.Peers.elementAt(peerProcess.myPeerID % 1000 - 1).obtainAll() == false
|| peerProcess.Peers.elementAt(OtherPeerID % 1000 - 1).obtainAll() == false)) {
try {
socketOutput.writeBytes(peerNotExitMsg);
System.out.println(
"Peer "
+ peerProcess.myPeerID
+ " sent not quit message to peer "
+ OtherPeerID
+ ".");
} catch (Exception e) {
}
try {
while (socketInput.ready() == false) {
//
}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
// get the corresponding message length, message type and message payload
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 8) {
System.out.println(
"Peer "
+ peerProcess.myPeerID
+ " received quit message from peer "
+ OtherPeerID
+ ".");
quited = true;
break;
} else if (msgType != 9) {
System.out.println(
"Received message type " + msgType + ", expecting quit/not quit message.");
} else {
System.out.println(
"Peer "
+ peerProcess.myPeerID
+ " received not quit message from peer "
+ OtherPeerID
+ ".");
}
// bitField exchange
try {
mybitfield =
peerProcess.Peers.elementAt(peerProcess.myPeerID % 1000 - 1).obtainBitField();
haveMsg = mybitfield.length() + "#" + 4 + "#" + mybitfield + "\n";
socketOutput.writeBytes(haveMsg);
System.out.println(
"Peer "
+ peerProcess.myPeerID
+ " sent bitfield message to peer "
+ OtherPeerID
+ ".");
} catch (Exception e) {
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 4) {
System.out.println(
"Peer "
+ peerProcess.myPeerID
+ " received bitField message from peer "
+ OtherPeerID
+ ".");
peerProcess.Peers.elementAt(OtherPeerID % 1000 - 1).setTheBitField(msgPayload);
} else if (msgType == 8) {
System.out.println(
"Peer "
+ peerProcess.myPeerID
+ " received quit message from peer "
+ OtherPeerID
+ ".");
quited = true;
break;
} else {
System.out.println(" received message type " + msgType + ", expecting bitField message.");
}
if (peerProcess.choked[OtherPeerID % 1000 - 1] == false) {
try {
socketOutput.writeBytes(unchokedMsg);
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
mybitfield =
peerProcess.Peers.elementAt(peerProcess.myPeerID % 1000 - 1).obtainBitField();
haveMsg = mybitfield.length() + "#" + 4 + "#" + mybitfield + "\n";
try {
socketOutput.writeBytes(haveMsg);
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 1) {
try {
peerProcess.logfile.write(LogWriter.logmsg(3, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 4) {
peerProcess.Peers.elementAt(OtherPeerID % 1000 - 1).setTheBitField(msgPayload);
interestedPieceID =
peerProcess
.Peers
.elementAt(peerProcess.myPeerID % 1000 - 1)
.obtainInterestedPiece(OtherPeerID);
try {
if (interestedPieceID != -1)
peerProcess.logfile.write(
LogWriter.logmsg(5, peerProcess.myPeerID, OtherPeerID, interestedPieceID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
if (interestedPieceID == -1) {
try {
socketOutput.writeBytes(1 + "#" + 3 + "#" + "-1\n");
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 2) {
try {
peerProcess.logfile.write(
LogWriter.logmsg(6, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
byte[] piececontent = peerProcess.obtainPiece(Integer.parseInt(msgPayload));
piecemsg = msgPayload + "#" + 7 + "#" + piececontent.length + "\n";
try {
socketOutput.writeBytes(piecemsg);
while (socketInput.ready() == false) {}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (Exception e) {
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 10) {
socketOutput.write(piececontent);
while (socketInput.ready() == false) {}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (Exception e) {
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType != 10) {
System.out.println(
"received message type "
+ msgType
+ ", expecting channel clear message.");
}
continue;
} else {
System.out.println(
"received message type "
+ msgType
+ ", expecting channel clear message.");
}
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
} else if (msgType == 3) {
try {
peerProcess.logfile.write(
LogWriter.logmsg(7, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
}
} else {
try {
socketOutput.writeBytes(1 + "#" + 2 + "#" + interestedPieceID + "\n");
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 2) {
byte[] piececontent = peerProcess.obtainPiece(Integer.parseInt(msgPayload));
piecemsg = msgPayload + "#" + 7 + "#" + piececontent.length + "\n";
try {
try {
peerProcess.logfile.write(
LogWriter.logmsg(6, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
socketOutput.writeBytes(piecemsg);
while (socketInput.ready() == false) {}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (Exception e) {
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
int indexFromOther = msgLen;
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
int loadsize = Integer.parseInt(msgPayload);
byte[] mspiececon = new byte[loadsize];
if (msgType == 7) {
if (peerProcess.myPeerID < OtherPeerID) {
socketOutput.writeBytes(channelClearMsg);
while (pieceReader.available() <= 0) {}
int totallen = 0;
byte[] c = new byte[1];
while (totallen < loadsize) {
try {
pieceReader.read(c);
} catch (Exception e) {
}
mspiececon[totallen] = c[0];
totallen++;
}
socketOutput.write(piececontent);
try {
peerProcess.writebackPiece(indexFromOther, mspiececon);
peerProcess.logfile.write(
LogWriter.logmsg(
8,
peerProcess.myPeerID,
OtherPeerID,
interestedPieceID,
peerProcess
.Peers
.elementAt(peerProcess.myPeerID % 1000 - 1)
.hasHowManyPieces()));
if (peerProcess
.Peers
.elementAt(peerProcess.myPeerID % peerIDBase - 1)
.obtainAll()
== true) {
try {
peerProcess.logfile.write(LogWriter.logmsg(9, peerProcess.myPeerID));
} catch (Exception e) {
}
}
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName())
.log(Level.SEVERE, null, ex);
}
while (socketInput.ready() == false) {}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (Exception e) {
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType != 10) {
System.out.println(
"Expecting channel clear message, received message type " + msgType);
}
continue;
} else {
while (socketInput.ready() == false) {}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (Exception e) {
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 10) {
socketOutput.write(piececontent);
while (pieceReader.available() <= 0) {}
int totallen = 0;
byte[] c = new byte[1];
while (totallen < loadsize) {
try {
pieceReader.read(c);
} catch (Exception e) {
}
mspiececon[totallen] = c[0];
totallen++;
}
socketOutput.writeBytes(channelClearMsg);
try {
peerProcess.writebackPiece(indexFromOther, mspiececon);
peerProcess.logfile.write(
LogWriter.logmsg(
8,
peerProcess.myPeerID,
OtherPeerID,
interestedPieceID,
peerProcess
.Peers
.elementAt(peerProcess.myPeerID % 1000 - 1)
.hasHowManyPieces()));
if (peerProcess
.Peers
.elementAt(peerProcess.myPeerID % peerIDBase - 1)
.obtainAll()
== true) {
try {
peerProcess.logfile.write(
LogWriter.logmsg(9, peerProcess.myPeerID));
} catch (Exception e) {
}
}
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName())
.log(Level.SEVERE, null, ex);
}
continue;
} else {
System.out.println(
"Expecting channel clear message, received message type " + msgType);
}
}
} else {
System.out.println(
"Expecting piecemessage, received message type " + msgType);
}
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
} else if (msgType == 3) {
try {
peerProcess.logfile.write(
LogWriter.logmsg(7, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
MsgFromOtherPeer = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
int indexFromOther = msgLen;
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
int loadsize = Integer.parseInt(msgPayload);
byte[] mspiececon = new byte[loadsize];
if (msgType == 7) {
socketOutput.writeBytes(channelClearMsg);
while (pieceReader.available() <= 0) {}
int totallen = 0;
byte[] c = new byte[1];
while (totallen < loadsize) {
try {
pieceReader.read(c);
} catch (Exception e) {
}
mspiececon[totallen] = c[0];
totallen++;
}
socketOutput.writeBytes(channelClearMsg);
try {
peerProcess.writebackPiece(indexFromOther, mspiececon);
peerProcess.logfile.write(
LogWriter.logmsg(
8,
peerProcess.myPeerID,
OtherPeerID,
interestedPieceID,
peerProcess
.Peers
.elementAt(peerProcess.myPeerID % 1000 - 1)
.hasHowManyPieces()));
if (peerProcess
.Peers
.elementAt(peerProcess.myPeerID % peerIDBase - 1)
.obtainAll()
== true) {
try {
peerProcess.logfile.write(LogWriter.logmsg(9, peerProcess.myPeerID));
} catch (Exception e) {
}
}
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
continue;
} else {
System.out.println(
"Expecting piece data, received message type" + msgType + ".");
}
}
}
}
} else if (msgType == 0) {
try {
peerProcess.logfile.write(LogWriter.logmsg(4, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 2) {
byte[] piececontent = peerProcess.obtainPiece(Integer.parseInt(msgPayload));
piecemsg = msgPayload + "#" + 7 + "#" + piececontent.length + "\n";
try {
socketOutput.writeBytes(piecemsg);
while (socketInput.ready() == false) {}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (Exception e) {
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 10) {
socketOutput.write(piececontent);
while (socketInput.ready() == false) {}
try {
MsgFromOtherPeer = socketInput.readLine();
} catch (Exception e) {
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType != 10) {
System.out.println(
"Expecting channel clear message, received message type " + msgType);
}
continue;
} else {
System.out.println(
"Expecting channel clear message, received message type " + msgType);
}
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
peerProcess.logfile.write(LogWriter.logmsg(6, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
} else if (msgType == 3) {
try {
peerProcess.logfile.write(LogWriter.logmsg(7, peerProcess.myPeerID, OtherPeerID));
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
}
} else {
continue;
}
} else {
try {
socketOutput.writeBytes(chokedMsg);
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 0) {
try {
peerProcess.logfile.write(LogWriter.logmsg(4, peerProcess.myPeerID, OtherPeerID));
} catch (Exception e) {
}
continue;
} else if (msgType == 1) {
try {
peerProcess.logfile.write(LogWriter.logmsg(3, peerProcess.myPeerID, OtherPeerID));
} catch (Exception e) {
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
if (msgType == 4) {
peerProcess.Peers.elementAt(OtherPeerID % 1000 - 1).setTheBitField(msgPayload);
interestedPieceID =
peerProcess
.Peers
.elementAt(peerProcess.myPeerID % 1000 - 1)
.obtainInterestedPiece(OtherPeerID);
try {
if (interestedPieceID != -1)
peerProcess.logfile.write(
LogWriter.logmsg(5, peerProcess.myPeerID, OtherPeerID, interestedPieceID));
} catch (Exception e) {
}
if (interestedPieceID == -1) {
try {
socketOutput.writeBytes(1 + "#" + 3 + "#" + "-1\n");
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
} else {
try {
socketOutput.writeBytes(1 + "#" + 2 + "#" + interestedPieceID + "\n");
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
try {
while (socketInput.ready() == false) {}
} catch (Exception e) {
}
try {
MsgFromOtherPeer = socketInput.readLine() + "";
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
RecvdMsg = MsgFromOtherPeer.split("#");
msgLen = Integer.parseInt(RecvdMsg[0]);
int indexFromOther = msgLen;
msgType = Integer.parseInt(RecvdMsg[1]);
msgPayload = RecvdMsg[2];
int loadsize = Integer.parseInt(msgPayload);
byte[] mspiececon = new byte[loadsize];
if (msgType == 7) {
socketOutput.writeBytes(channelClearMsg);
while (pieceReader.available() <= 0) {}
int totallen = 0;
byte[] c = new byte[1];
while (totallen < loadsize) {
try {
pieceReader.read(c);
} catch (Exception e) {
}
mspiececon[totallen] = c[0];
totallen++;
}
socketOutput.writeBytes(channelClearMsg);
try {
peerProcess.writebackPiece(indexFromOther, mspiececon);
peerProcess.logfile.write(
LogWriter.logmsg(
8,
peerProcess.myPeerID,
OtherPeerID,
interestedPieceID,
peerProcess
.Peers
.elementAt(peerProcess.myPeerID % 1000 - 1)
.hasHowManyPieces()));
if (peerProcess
.Peers
.elementAt(peerProcess.myPeerID % peerIDBase - 1)
.obtainAll()
== true) {
try {
peerProcess.logfile.write(LogWriter.logmsg(9, peerProcess.myPeerID));
} catch (Exception e) {
}
}
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
continue;
} else {
System.out.println("received msg type " + msgType + ", expecting piece data.");
}
}
} else {
System.out.println("received msg type " + msgType + ", expecting have msg.");
}
} else {
System.out.println("received msg type " + msgType + ", expecting choke/unchoke msg.");
}
}
}
} catch (Exception ite) {
}
if (quited == false) {
try {
socketOutput.writeBytes(peerExitMsg);
System.out.println(
"Peer " + peerProcess.myPeerID + " sent quit message to peer " + OtherPeerID + ".");
try {
Thread.sleep(100);
} catch (Exception e) {
}
} catch (IOException ex) {
Logger.getLogger(SocketThread.class.getName()).log(Level.SEVERE, null, ex);
}
}
System.out.println(
"The socket between peer"
+ peerProcess.myPeerID
+ "and peer "
+ OtherPeerID
+ " will disconnect now.\n");
peerProcess.Peers.elementAt(OtherPeerID % 1000 - 1).setHasAllPieces();
peerProcess.Peers.elementAt(peerProcess.myPeerID % 1000 - 1).setHasAllPieces();
}