public static void main(String args[]) throws IOException {
ServerSocket sSocket = new ServerSocket(sPort, 10);
// Arguments Handling
if (args.length != 1) {
System.out.println("Must specify a file-path argument.");
} else {
String currentDir = System.getProperty("user.dir");
filePath = currentDir + "/src/srcFile/" + args[0];
filename = args[0];
}
// Get list of chunks owned
chunkOwned();
// Call FileSplitter
FileSplitter fs = new FileSplitter();
fs.split(filePath);
System.out.println("Waiting for connection");
while (true) {
Socket connection = sSocket.accept();
System.out.println("Connection received from " + connection.getInetAddress().getHostName());
new Thread(new MultiThreadServer(connection)).start();
}
}
public InetSocketAddress getRemoteAddress() {
Socket s = connection.getChannel().socket();
InetAddress ia = s.getInetAddress();
int port = s.getPort();
return new InetSocketAddress(ia, port);
}
public void run() {
// Here's where everything happens. The select method will
// return when any operations registered above have occurred, the
// thread has been interrupted, etc.
try {
while (!stop) {
try {
if (selector.select() > 0) {
if (stop) {
break;
}
// Someone is ready for I/O, get the ready keys
Set readyKeys = selector.selectedKeys();
Iterator it = readyKeys.iterator();
// Walk through the ready keys collection and process date requests.
while (it.hasNext()) {
SelectionKey sk = (SelectionKey) it.next();
it.remove();
SocketChannel readChannel = null;
TcpAddress incomingAddress = null;
if (sk.isAcceptable()) {
// The key indexes into the selector so you
// can retrieve the socket that's ready for I/O
ServerSocketChannel nextReady = (ServerSocketChannel) sk.channel();
// Accept the date request and send back the date string
Socket s = nextReady.accept().socket();
readChannel = s.getChannel();
readChannel.configureBlocking(false);
readChannel.register(selector, SelectionKey.OP_READ);
incomingAddress = new TcpAddress(s.getInetAddress(), s.getPort());
SocketEntry entry = new SocketEntry(incomingAddress, s);
sockets.put(incomingAddress, entry);
timeoutSocket(entry);
TransportStateEvent e =
new TransportStateEvent(
DefaultTcpTransportMapping.this,
incomingAddress,
TransportStateEvent.STATE_CONNECTED,
null);
fireConnectionStateChanged(e);
} else if (sk.isReadable()) {
readChannel = (SocketChannel) sk.channel();
incomingAddress =
new TcpAddress(
readChannel.socket().getInetAddress(), readChannel.socket().getPort());
} else if (sk.isWritable()) {
try {
SocketEntry entry = (SocketEntry) sk.attachment();
SocketChannel sc = (SocketChannel) sk.channel();
if (entry != null) {
writeMessage(entry, sc);
}
} catch (IOException iox) {
if (logger.isDebugEnabled()) {
iox.printStackTrace();
}
logger.warn(iox);
TransportStateEvent e =
new TransportStateEvent(
DefaultTcpTransportMapping.this,
incomingAddress,
TransportStateEvent.STATE_DISCONNECTED_REMOTELY,
iox);
fireConnectionStateChanged(e);
sk.cancel();
}
} else if (sk.isConnectable()) {
try {
SocketEntry entry = (SocketEntry) sk.attachment();
SocketChannel sc = (SocketChannel) sk.channel();
if ((!sc.isConnected()) && (sc.finishConnect())) {
sc.configureBlocking(false);
logger.debug("Connected to " + entry.getPeerAddress());
// make sure conncetion is closed if not used for timeout
// micro seconds
timeoutSocket(entry);
sc.register(selector, SelectionKey.OP_WRITE, entry);
}
TransportStateEvent e =
new TransportStateEvent(
DefaultTcpTransportMapping.this,
incomingAddress,
TransportStateEvent.STATE_CONNECTED,
null);
fireConnectionStateChanged(e);
} catch (IOException iox) {
if (logger.isDebugEnabled()) {
iox.printStackTrace();
}
logger.warn(iox);
sk.cancel();
}
}
if (readChannel != null) {
try {
readMessage(sk, readChannel, incomingAddress);
} catch (IOException iox) {
// IO exception -> channel closed remotely
if (logger.isDebugEnabled()) {
iox.printStackTrace();
}
logger.warn(iox);
sk.cancel();
readChannel.close();
TransportStateEvent e =
new TransportStateEvent(
DefaultTcpTransportMapping.this,
incomingAddress,
TransportStateEvent.STATE_DISCONNECTED_REMOTELY,
iox);
fireConnectionStateChanged(e);
}
}
}
}
} catch (NullPointerException npex) {
// There seems to happen a NullPointerException within the select()
npex.printStackTrace();
logger.warn("NullPointerException within select()?");
}
processPending();
}
if (ssc != null) {
ssc.close();
}
} catch (IOException iox) {
logger.error(iox);
lastError = iox;
}
if (!stop) {
stop = true;
synchronized (DefaultTcpTransportMapping.this) {
server = null;
}
}
}