public static void main(String[] args) throws IOException, InterruptedException {
System.out.println("Auction Server starting");
try { // Get hostname by textual representation of IP address
InetAddress addr = InetAddress.getLocalHost(); // = InetAddress.getByName("127.0.0.1");
String hostname = addr.getHostName(); // Get the host name
System.out.println("ip address = " + addr.toString() + "\nHost name = " + hostname);
} catch (UnknownHostException e) {
}
// used to let host user control flow of program
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
// System.out.println("How many players are needed?");
int numPlayersNeeded = 2; // Integer.valueOf(br.readLine());
// make an auction with which clients interact
Auction myAuction = new Auction(5, numPlayersNeeded); // auction with 5 slots
// SELECT TYPE OF AUCTION
Vector<SimultaneousAscendingAuctionServerThread> myThreads =
new Vector<SimultaneousAscendingAuctionServerThread>();
ServerSocket serverSocket = null;
int portNum = 7; // the luckiest port there is!
// Try reading in the IP and socket number from the text file...
try {
BufferedReader in = new BufferedReader(new FileReader("./src/IP_and_Port.txt"));
// two lines in this file. First is hostName/IP address, and second is socket number of host
String hName = in.readLine(); // use the hostname found above and skip this one
portNum = Integer.valueOf(in.readLine());
in.close();
} catch (IOException e) {
}
try {
serverSocket = new ServerSocket(portNum);
} catch (IOException e) {
System.err.println("AuctionServer could not listen on port: " + portNum + ".");
System.exit(-1);
}
System.out.println("Clients should join the auction now...");
boolean started = false;
boolean firstThread = true; // used to designate first thread as "reporter"
while (!started) { // (listening && !myAuction.isOver() ){
SimultaneousAscendingAuctionServerThread aThread =
new SimultaneousAscendingAuctionServerThread(
serverSocket.accept(), myAuction, numPlayersNeeded);
// set first thread as the "reporter", so only one copy of info printed to cmd prompt
aThread.start();
if (firstThread) {
aThread.setReporter(true);
firstThread = false;
}
myThreads.add(aThread);
if (myThreads.size() >= numPlayersNeeded) {
started = true;
System.out.println("Auction should be ready to go...");
} else
System.out.println(
"need more players. Thread-count = "
+ myThreads.size()
+ " , idCount = "
+ myAuction.bidderIDs.size());
// myAuction was passed as a shallow copy... so only one auction exists
}
System.out.println("\nAuction has started with " + myThreads.size() + " agents!\n");
// The auction is running right now... can you feel it?
// System.out.println("Press Enter to end host connections and close...");
// br.readLine();
// System.out.println("Auction is complete... closing connections");
for (int i = 0; i < myThreads.size(); i++) myThreads.get(i).join();
for (int i = 0; i < myThreads.size(); i++)
if (myThreads.get(i).isAlive()) myThreads.get(i).closeConnection();
serverSocket.close();
} // end main()
/** Transforme une addresse IP en un ID qui permet de l'identifier dans la hashmap. */
private String toId(InetAddress addr) {
String addname = addr.toString();
return addname.split("/")[1];
}
private ArrayList<InetAddress> contatta_Tracker(Descrittore descr) {
InetAddress server = null;
ObjectInputStream data_in;
ObjectOutputStream data_out;
InputStream in;
OutputStream out;
ArrayList<InetAddress> lista = null;
/* socket per la comunicazione TCP */
SSLSocketFactory factory = null;
SSLSocket socket = null;
// ###### preparo l'indirizzo
try {
server = InetAddress.getByName("192.168.0.10");
} catch (UnknownHostException e1) {
e1.printStackTrace();
}
// ###### creo il socket
if (descr == null) {
System.out.println("## contatta_tracker di Download ha ricevuto parametro null ! ");
return null;
}
System.out.println(
"@ provo a contattare via TCP il Tracker a "
+ server.toString()
+ " porta "
+ descr.getTcp());
try {
factory = (SSLSocketFactory) SSLSocketFactory.getDefault();
socket = (SSLSocket) factory.createSocket(server, descr.getTcp());
} catch (IOException e1) {
System.out.println("# eccezione nella creazione socket verso il Tracker TCP");
e1.printStackTrace();
}
System.out.println("@ socket creato ");
if (factory == null || socket == null) {
System.out.println("## la connessione ssl di Download ha ritornato null ! ");
return null;
}
try {
System.out.println("@ out_stream ");
out = socket.getOutputStream();
System.out.println("@ out ");
data_out = new ObjectOutputStream(out);
System.out.println("@ in_stream ");
in = socket.getInputStream();
System.out.println("@ in ");
data_in = new ObjectInputStream(in);
System.out.println("@ Downloader: streams ok ");
data_out.writeObject(descr); // TODO Perchè ?
data_out.flush();
System.out.println("@ descrittore mandato ");
lista = (ArrayList<InetAddress>) data_in.readObject();
if (lista == null)
System.out.println(
"@ ritornata lista vuota dal tracker riguardo : "
+ descr.nome); // TODO sarebbe un caso plausibile
else System.out.println("@ lista ricevuta : " + lista.toString());
} catch (IOException e) {
System.out.println("# eccezione I/O nella creazione socket verso il Tracker TCP");
e.printStackTrace();
} catch (ClassNotFoundException e) {
System.out.println("# eccezione C N F nella creazione socket verso il Tracker TCP");
e.printStackTrace();
}
return lista;
}