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RecieveMsg(SctpChannel clientSocket) { this.clientSocket = clientSocket; }
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public static void receiveMessage(SctpChannel clientSock) throws InterruptedException { String[] output; String[] outputVector; ByteBuffer byteBuffer; byteBuffer = ByteBuffer.allocate(512); String messageType = ""; try { if (running = true) { MessageInfo messageInfo = clientSock.receive(byteBuffer...
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public static String byteToString(ByteBuffer byteBuffer) { byteBuffer.position(0); byteBuffer.limit(512); byte[] bufArr = new byte[byteBuffer.remaining()]; byteBuffer.get(bufArr); return new String(bufArr); }
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@Override public void run() { // TODO Auto-generated method stub while (true) { try { receiveMessage(clientSocket); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
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public static void readConnectedTo(String filePath) throws IOException { BufferedReader br = null; String sCurrentLine; String[] output; ArrayList<TripletData> result = new ArrayList<>(); br = new BufferedReader(new FileReader(filePath)); while (!(sCurrentLine = br.readLine()).equals("END")) { } int co...
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public static void readNodeList(String filePath) throws IOException { BufferedReader br = null; String sCurrentLine; String[] output; ArrayList<TripletData> result = new ArrayList<>(); br = new BufferedReader(new FileReader(filePath)); System.out.println("here"); while (!(sCurrentLine = br.readLine()).equ...
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public static void main(String args[]) throws IOException, Exception { System.out.println("Enter Node Number"); BufferedReader bufferRead = new BufferedReader(new InputStreamReader( System.in)); myNodeNumber = Integer.parseInt(bufferRead.readLine()); System.out.println("myNodeNumber:" + myNodeNumber); re...
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public void checkSortedList() { String targetDirectory = System.getProperty("user.dir"); String[] sortedArray = null; File directory = new File(targetDirectory); File[] files = directory.listFiles(); int fileSize = files.length; for (int i = 0; i < fileSize; i++) { BufferedReader buffer1 = null; tr...
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public static void main(String[] args) { CheckFilesSort check = new CheckFilesSort(); check.checkSortedList(); }
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public QuadData() { }
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public QuadData(int ele, int ts, int i, int j) { elec = ele; timeStamp = ts; indexI = i; indexJ = j; }
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TripletData() { }
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TripletData(int hostName, String ipAddress, int portNo) { hostName = this.hostName; ipAddress = this.ipAddress; portNo = this.portNo; }
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public static void sendMessage(SctpChannel clientSock, String Message) throws IOException { // System.out.println("Hey Im inside Send Messgae"); // prepare byte buffer to send massage ByteBuffer sendBuffer = ByteBuffer.allocate(512); sendBuffer.clear(); // Reset a pointer to point to the start of buffer ...
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public static void sendMessage2(SctpChannel clientSock, String Message) throws IOException { // System.out.println("Hey Im inside Send Messgae"); // prepare byte buffer to send massage ByteBuffer sendBuffer = ByteBuffer.allocate(512); sendBuffer.clear(); // Reset a pointer to point to the start of buffer ...
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public static void receiveMessage(SctpChannel clientSock) { ByteBuffer byteBuffer; byteBuffer = ByteBuffer.allocate(512); try { MessageInfo messageInfo = clientSock .receive(byteBuffer, null, null); String message = byteToString(byteBuffer); // System.out.println("Received Message from Server:"); ...
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public static String byteToString(ByteBuffer byteBuffer) { byteBuffer.position(0); byteBuffer.limit(512); byte[] bufArr = new byte[byteBuffer.remaining()]; byteBuffer.get(bufArr); return new String(bufArr); }
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public void run() { try { for (int i = 0; i < MainClass.connectedTo.size(); i++) { System.out.println("In Client"); InetSocketAddress serverAddr = new InetSocketAddress( MainClass.connectedTo.get(i).ipAddress, MainClass.connectedTo.get(i).portNo); MainClass.ClientSocket.put( MainClass...
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public ReqID() { }
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public ReqID(int reqO, int reqT) { reqOrigin = reqO; reqTime = reqT; }
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@Before public void setUp() { r = new Random(); }
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@Test public void randomizedAddTest() { for(int i = 1; i <= TESTS_AMOUNT * TESTS_ENABLED; i++) { BigInteger a = new BigInteger(TESTS_MULTIPLIER * i, r); BigInteger b = new BigInteger(TESTS_MULTIPLIER * i, r); UnsignedBigInt c = new UnsignedBigInt(a.toString()); ...
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@Test public void randomizedSubtractTest() { for(int i = 1; i <= TESTS_AMOUNT * TESTS_ENABLED; i++) { BigInteger a = new BigInteger(TESTS_MULTIPLIER * i, r); BigInteger b = new BigInteger(TESTS_MULTIPLIER * i, r); if(a.compareTo(b) < 0) { BigInteger swap =...
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@Test public void randomizedMultiplyTest() { for(int i = 1; i <= TESTS_AMOUNT * TESTS_ENABLED; i++) { BigInteger a = new BigInteger(TESTS_MULTIPLIER * i, r); BigInteger b = new BigInteger(TESTS_MULTIPLIER * i, r); UnsignedBigInt c = new UnsignedBigInt(a.toString()); ...
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@Test public void randomizedDivideTest() { for(int i = 1; i <= TESTS_AMOUNT * TESTS_ENABLED; i++) { BigInteger a = new BigInteger(TESTS_MULTIPLIER * i, r); BigInteger b = new BigInteger(TESTS_MULTIPLIER * i, r); UnsignedBigInt c = new UnsignedBigInt(a.toString()); ...
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@Before public void setUp() { a = new UnsignedBigInt(12341234L); b = new UnsignedBigInt("12341234123412341234123412341234123412341234"); }
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@Test public void testLongConstructor_positiveInt() { assertEquals(a.longValue(), 12341234L); }
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@Test public void testStringConstructor() { assertEquals(b.toString(), "12341234123412341234123412341234123412341234"); }
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@Test public void testAdd() { assertEquals(a.add(b), new UnsignedBigInt("12341234123412341234123412341234123424682468")); assertEquals(b.add(a), new UnsignedBigInt("12341234123412341234123412341234123424682468")); }
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@Test public void testBiggerThan() { assertTrue(b.biggerThan(a)); assertTrue(!a.biggerThan(b)); assertTrue(!b.biggerThan(b)); }
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@Test public void testEquals() { assertTrue(a.equals(a)); assertTrue(b.equals(b)); assertTrue(!a.equals(b)); assertTrue(!b.equals(a)); assertTrue(a.equals(new UnsignedBigInt(a.toString()))); }
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@Test public void testDivide() { assertEquals(a.divide(a), new UnsignedBigInt("1")); assertEquals(b.divide(a), new UnsignedBigInt("1000000010000000100000001000000010000")); }
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@Test public void testLongValue() { assertEquals(a.longValue(), 12341234L); }
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@Test public void testMod() { assertEquals(a.mod(a), new UnsignedBigInt("0")); assertEquals(b.mod(a), new UnsignedBigInt("1234")); }
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@Test public void testModPow() { assertEquals(b.modPow(new UnsignedBigInt("4"), a), new UnsignedBigInt("3720510")); assertEquals(b.modPow(a, a), new UnsignedBigInt("1522756")); }
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@Test public void testMultiply_basecase() { assertEquals(a.multiply(a), new UnsignedBigInt("152306056642756")); }
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@Test public void testMultiply_karatsuba() { UnsignedBigInt c = new UnsignedBigInt("15525180923007089351489794884625025552568860171166966111390520380260509526863768863308784088286464779504877306971310732061715800441148143914442872750411811392044549760208499055502652856315984448252629991937164687508928468538...
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@Test public void testPow() { assertEquals(a.pow(new UnsignedBigInt("0")), new UnsignedBigInt("1")); assertEquals(a.pow(new UnsignedBigInt("1")), a); assertEquals(a.pow(new UnsignedBigInt("2")), new UnsignedBigInt("152306056642756")); assertEquals(a.pow(new UnsignedBigInt("3")), new Unsi...
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@Test public void testSmallerThan() { assertTrue(a.smallerThan(b)); assertTrue(!b.smallerThan(a)); assertTrue(!a.smallerThan(a)); }
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@Test public void testSubtract() { assertEquals(b.subtract(a), new UnsignedBigInt("12341234123412341234123412341234123400000000")); assertEquals(a.subtract(a), new UnsignedBigInt("0")); }
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@Test public void testToString() { assertEquals(a.toString(), "12341234"); assertEquals(b.toString(), "12341234123412341234123412341234123412341234"); }
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public UnsignedBigInt(long l) { this.bits = new BitArray(l); }
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public UnsignedBigInt(String s) { this(); UnsignedBigInt newBigInt = new UnsignedBigInt(); for(int i = 0; i < s.length(); i++) { newBigInt = newBigInt.multiply(UnsignedBigInt.TEN); newBigInt = newBigInt.add(new UnsignedBigInt(Long.parseLong(s.charAt(i) +...
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public UnsignedBigInt() { this.bits = new BitArray(); }
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public UnsignedBigInt(UnsignedBigInt b) { this.bits = new BitArray(b.bits); }
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public UnsignedBigInt(BitArray bits) { this.bits = bits; }
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public UnsignedBigInt add(UnsignedBigInt b) { UnsignedBigInt result = new UnsignedBigInt(); int carry = 0; int max = Math.max(this.bits.length(), b.bits.length()); for(int i = 0; i <= max; i++) { int s = this.bits.getBit(i) + b.bits.getBit(i) + carry; car...
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public boolean biggerThan(UnsignedBigInt b) { for(int i = Math.max(this.bits.length(), b.bits.length()); i >= 0; i--) { if(this.bits.getBit(i) > b.bits.getBit(i)) { return true; } if(this.bits.getBit(i) < b.bits.getBit(i)) { return false; ...
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@Override public boolean equals(Object b) { if(b == null || !(b instanceof UnsignedBigInt)) { return false; } for(int i = Math.max(this.bits.length(), ((UnsignedBigInt)b).bits.length()); i >= 0; i--) { if(this.bits.getBit(i) > ((UnsignedBigInt)b).bits.getBit(i)) { ...
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public UnsignedBigInt divide(UnsignedBigInt b) { UnsignedBigInt result[] = this.divideAndRemainder(b); return result[0]; }
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public UnsignedBigInt[] divideAndRemainder(UnsignedBigInt b) { // quotient is in result[0] // remainder is in result[1] UnsignedBigInt result[] = new UnsignedBigInt[2]; result[0] = new UnsignedBigInt(); result[1] = new UnsignedBigInt(); for(int i = this.bits.leng...
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public long longValue() { return this.bits.toLong(); }
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public UnsignedBigInt mod(UnsignedBigInt m) { UnsignedBigInt result[] = this.divideAndRemainder(m); return result[1]; }
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public UnsignedBigInt modPow(UnsignedBigInt e, UnsignedBigInt m) { UnsignedBigInt b = new UnsignedBigInt(this); UnsignedBigInt exp = new UnsignedBigInt(e); UnsignedBigInt result = new UnsignedBigInt(UnsignedBigInt.ONE); while(exp.biggerThan(UnsignedBigInt.ZERO)) { UnsignedBi...
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public UnsignedBigInt karatsuba(UnsignedBigInt b) { int m = (int)Math.ceil(Math.min(this.bits.length(), b.bits.length()) / 2.0); if(m < 512) { return this.multiply(b); } // TODO: calculate B^m with left shifts instead of multiplications UnsignedBigIn...
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public UnsignedBigInt multiply(UnsignedBigInt b) { UnsignedBigInt result = new UnsignedBigInt(); UnsignedBigInt temp; for(int i = 0; i < b.bits.length(); i++) { if(b.bits.getBit(i) > 0) { temp = new UnsignedBigInt(this); for(int j = 0; j < i; j++) { ...
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public UnsignedBigInt pow(UnsignedBigInt e) { UnsignedBigInt b = new UnsignedBigInt(this); UnsignedBigInt result = new UnsignedBigInt(UnsignedBigInt.ONE); while(e.biggerThan(UnsignedBigInt.ZERO)) { if(e.bits.getBit(0) > 0) { result = result.multiply(b); ...
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public boolean smallerThan(UnsignedBigInt b) { for(int i = Math.max(this.bits.length(), b.bits.length()); i >= 0; i--) { if(this.bits.getBit(i) > b.bits.getBit(i)) { return false; } if(this.bits.getBit(i) < b.bits.getBit(i)) { return true; ...
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public UnsignedBigInt subtract(UnsignedBigInt b) { UnsignedBigInt result = new UnsignedBigInt(); int borrow = 0; int max = Math.max(this.bits.length(), b.bits.length()); for(int i = 0; i <= max; i++) { int s = this.bits.getBit(i) - b.bits.getBit(i) + borrow; borr...
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@Override public String toString() { StringBuilder sb = new StringBuilder(); UnsignedBigInt result[] = new UnsignedBigInt[2]; result[0] = new UnsignedBigInt(this); do { result = result[0].divideAndRemainder(UnsignedBigInt.TEN); ...
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public BitArray() { a = new long[1]; }
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public BitArray(long l) { a = new long[1]; a[0] = l; }
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public BitArray(BitArray ba) { a = new long[ba.a.length]; System.arraycopy(ba.a, 0, a, 0, ba.a.length); }
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private void expand(int w) { int size = Math.max(a.length * 2, w + 1); long[] newArray = new long[size]; System.arraycopy(a, 0, newArray, 0, a.length); this.a = newArray; }
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public int length() { for(int i = a.length - 1; i >= 0; i--) { if(a[i] != 0) { for(int j = 63; j >= 0; j--) { if((a[i] & (1L << (j % 64))) != 0) { return (i * 64) + j + 1; } } } } ...
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public void clear() { for(int i = 0; i < a.length; i++) { a[i] = 0; } }
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public void setBit(int i, int b) { int w = (int)Math.floor(i / 64.0f); if(w >= a.length) { expand(w); } if(b == 1) { a[w] |= (1L << (i % 64)); } else { a[w] &= ~(1L << (i % 64)); } }
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public int getBit(int i) { int w = (int)Math.floor(i / 64.0f); if(w >= a.length) { return 0; } return (a[w] & (1L << (i % 64))) == 0 ? 0 : 1; }
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public void shiftLeft() { int lowBit = 0; int highBit = 0; for(int i = 0; i < a.length; i++) { lowBit = highBit; highBit = getBit((i * 64) + 63); a[i] <<= 1L; setBit(i * 64, lowBit); if(highBit > 0 && i == a.length - 1) { ...
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public void shiftLeft64() { if(Math.floor(length() / 64.0f) >= a.length - 1) { expand(0); } long high = 0; long low = 0; for(int i = 0; i < a.length; i++) { low = high; high = a[i]; a[i] = low; } }
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public void shiftRight() { int lowBit = 0; int highBit = 0; for(int i = a.length - 1; i >= 0; i--) { highBit = lowBit; lowBit = getBit(i * 64); a[i] >>>= 1L; setBit((i * 64) + 63, highBit); } }
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@Override public String toString() { StringBuilder sb = new StringBuilder(); for(int i = a.length - 1; i >= 0; i--) { sb.append(" "); sb.append(String.format("%64s", Long.toBinaryString(a[i])).replace(' ', '0')); } return sb.toString().trim(); }
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public long toLong() { return a[0]; }
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public static void main(String[] args) { SecureRandom random = new SecureRandom(); UnsignedBigInt p = new UnsignedBigInt(BigInteger.probablePrime(256, random).toString()); UnsignedBigInt g = new UnsignedBigInt("2"); UnsignedBigInt a = new UnsignedBigInt(BigInteger.prob...
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public static void main (String[] args) { GroupReader groupReader = createGroupReader(INPUT_FILE); FileWriter fileWriter = createFileWriter(OUTPUT_FILE); Dictionary.getInstance().setNGramLength(4); //TODO: magic if (!loadDictionary()) { buildDictionary(INPUT_FILE); ...
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private static boolean loadDictionary() { try { Dictionary.getInstance().load(); } catch (FileNotFoundException exception) { System.out.println("Dictionary file not found. Continue."); return false; } return true; }
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private static void buildDictionary(String inputFilename) { try { Dictionary.getInstance().build(new CsvFileReader(), inputFilename); } catch (FileNotFoundException exception) { System.out.println("Dictionary building error. No such file. Exit."); System.exit(1); ...
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private static GroupReader createGroupReader(String inputFilename) { GroupReader reader = new GroupReader(new CsvFileReader()); try { reader.open(inputFilename); } catch (FileNotFoundException exception) { System.out.println("No file \"" + inputFilename + "\" for input. E...
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private static FileWriter createFileWriter(String outputFilename) { FileWriter writer = null; try { writer = new FileWriter(outputFilename); } catch (FileNotFoundException exception) { System.out.println("Output file opening error. Exit."); System.exit(1); ...
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@Override public Post next() { if (hasNext()) { Entry entry = readNextEntry(); ArrayList<Integer> nGramIds = Dictionary.getInstance().stringToIndexes(entry.message); for (Integer a : nGramIds) { if (a == 447) { int b = 0; ...
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private Entry readNextEntry() { scanner.useDelimiter("\\s"); int groupId = scanner.nextInt(); int messageId = scanner.nextInt(); long timeStamp = scanner.nextLong(); scanner.useDelimiter("\n|\t"); String message = scanner.next(); return new Entry(groupId, messag...
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public Entry(int groupId, int messageId, long timeStamp, String message) { this.groupId = groupId; this.messageId = messageId; this.timeStamp = timeStamp; this.message = message; }
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public Pair(A first, B second) { this.first = first; this.second = second; }
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public NGram(String base) { this.base = base; }
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public String getBase() { return base; }
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@Override public boolean equals(Object obj) { return obj instanceof NGram && ((NGram) obj).base.equals(this.base); }
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@Override public int hashCode() { return base.hashCode(); }
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@Override public String toString() { return base; }
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public Post(String message, int groupId, Collection<Integer> collection) { this.message = message; this.groupId = groupId; this.nGramIds = new ArrayList<Integer>(collection); }
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public String getMessage() { return message; }
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public int getGroupId() { return groupId; }
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public ArrayList<Integer> getNGramIds() { return nGramIds; }
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public SortedPairs() { this.list = new ArrayList<Entry<F, S>>(); }
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public void add(F first, S second) { list.add(new Entry<F, S>(first, second)); }
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public Pair<F, S> getPair(int index) { Entry entry = list.get(index); return new Pair<F, S>((F) entry.first, (S) entry.second); }
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public void remove(int index) { list.remove(index); }
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public void sort() { Collections.sort(list); }
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public int size() { return list.size(); }
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@Override public Iterator<Pair<F, S>> iterator() { return new Iterator<Pair<F, S>>() { private Iterator<Entry<F, S>> iterator = list.iterator(); @Override public boolean hasNext() { return iterator.hasNext(); } @Override ...
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@Override public boolean hasNext() { return iterator.hasNext(); }