Merge pull request 'Add sequence diagrams' (#133) from sequence_diagrams into master

README.md

@@ -1,4 +1,7 @@
 # Projet Répartition : Téléchargement FTP P2P
+## Documentation
+The report asked can be found in [doc/report.pdf](doc/report.pdf).
+
 ## Protocol
 Documentation of the protocol used can be found in [doc/protocol.md](doc/protocol.md).
 
@@ -14,9 +17,10 @@ Documentation of the protocol used can be found in [doc/protocol.md](doc/protoco
 ### Application CLI (Client+Server)
 - Interactive mode: `java clientP2P.ClientP2P`
 - CLI Arguments mode: `java clientP2P.ClientP2P -- <clientTransportProtocol> <integratedServerHOSTNAME> <integratedServerPORT> <trackerHOSTNAME> <trackerPORT>` (default tracker port 6969 (range 7000 -> 7999) and server port: server 7070 (range 7000->7070))
+- CLI Arguments mode when using with a nat: `java clientP2P.ClientP2P -- <clientTransportProtocol> <integratedServerPublicHOSTNAME> <integratedServerPublicPORT> <trackerHOSTNAME> <trackerPORT> <serverBindingHOSTNAME> <serverBindingPORT>` (default tracker port 6969 (range 7000 -> 7999) and server port: server 7070 (range 7000->7070))
 
 ### Application GUI (Client+Server)
-- `java gui.ClientP2PGUI`
+- `java gui.Gui`
 
 ## Sujet
 Lien vers le [document original](https://stri-online.net/FTLV/mod/resource/view.php?id=1753).

doc/download_sequence_diagram.drawio

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doc/tracker_sequence_diagram.drawio

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doc/usecase.drawio

@@ -0,0 +1 @@
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doc/usecase.xml

@@ -1 +0,0 @@
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src/clientP2P/ClientDownloadUDP.java

@@ -64,7 +64,7 @@ public class ClientDownloadUDP extends ClientDownload {
 	 * @param hostItem	Hostitem of the server
 	 */
 	protected ClientDownloadPart createDownloadPart(HostItem hostItem) {
-		return (ClientDownloadPart)new ClientDownloadPartUDP((ClientDownload)this, filename, hostItem.getUDPSocket(), partsSubdir, logger, client, tracker);
+		return (ClientDownloadPart)new ClientDownloadPartUDP((ClientDownload)this, filename, hostItem.getUDPSocket(), partsSubdir, logger, client, hostItem);
 	}
 
 	/** Implementation of writeLog

src/clientP2P/ClientP2P.java

@@ -29,6 +29,7 @@ public class ClientP2P {
 	private Directories directories;
 	private HostItem tracker;
 	private HostItem server;
+	private HostItem serverBinding;
 	private Scanner scanner;
 	final static boolean DEBUG = false;
 
@@ -46,14 +47,17 @@ public class ClientP2P {
 	}
 
 	/** Constructor.
-	 * @param hostnameServer	hostname to bind
-	 * @param portServer	port to bind
+	 * @param hostnameServer	hostname used to register
+	 * @param portServer	port used to register
+	 * @param hostnameServerBinding	hostname to bind
+	 * @param portServerBinding	port to bind
 	 * @param hostnameTracker	hostname of tracker
 	 * @param portTracker	port of tracker
 	 */
-	public ClientP2P(String hostnameServer, int portServer, String hostnameTracker, int portTracker) {
+	public ClientP2P(String hostnameServer, int portServer, String hostnameServerBinding, int portServerBinding, String hostnameTracker, int portTracker) {
 		scanner = new Scanner(System.in);
 		server = new HostItem(hostnameServer, portServer);
+		serverBinding = new HostItem(hostnameServerBinding, portServerBinding);
 		tracker = new HostItem(hostnameTracker, portTracker);
 		initDirectoriesAndLoggers();
 		System.out.println("Server will listen on port " + portServer + " and serve files from " + directories.getDataHomeDirectory());
@@ -72,6 +76,12 @@ public class ClientP2P {
 			"<clientTransportProtocol> " +
 			"<integratedServerHOSTNAME> <integratedServerPORT> " +
 			"<trackerHOSTNAME> <trackerPORT> ");
+		System.out.println("or");
+		System.out.println("\tjava clientP2P.ClientP2P -- " +
+			"<clientTransportProtocol> " +
+			"<integratedServerPublicHOSTNAME> <integratedServerPublicPORT> " +
+			"<trackerHOSTNAME> <trackerPORT> " +
+			"<integratedServerBindingHOSTNAME> <integratedServerBindingPORT>");
 		System.out.println("(" + trackerPortRange + " and " + serverPortRange +")");
 	}
 
@@ -82,6 +92,8 @@ public class ClientP2P {
 	 */
 	public static void main(String [] args) {
 		final String defaultHostname = "localhost";
+		String hostnameServBind = "";
+		int portServBind = 0;
 		String hostnameServer = "";
 		int portServer = 0;
 		String hostnameTracker = "";
@@ -91,16 +103,25 @@ public class ClientP2P {
 		final ServerPortRange serverPortRange = new ServerPortRange();
 		final TrackerPortRange trackerPortRange = new TrackerPortRange();
 
-		if ((args.length != 6) && (args.length != 0)) {
+		if ((args.length != 6) && (args.length != 0) && (args.length != 8)) {
 			ClientP2P.printUsage(serverPortRange, trackerPortRange);
 			System.exit(1);
-		}
-		else if (args.length == 6) {
-				protocolClient = args[1];
-				hostnameServer = args[2];
-				portServer = Integer.valueOf(Integer.parseInt(args[3]));
-				hostnameTracker = args[4];
-				portTracker = Integer.valueOf(Integer.parseInt(args[5]));
+		} else if (args.length == 6) {
+			protocolClient = args[1];
+			hostnameServer = args[2];
+			portServer = Integer.valueOf(Integer.parseInt(args[3]));
+			hostnameTracker = args[4];
+			portTracker = Integer.valueOf(Integer.parseInt(args[5]));
+			hostnameServBind = hostnameServer;
+			portServBind = portServer;
+		} else if (args.length == 8) {
+			protocolClient = args[1];
+			hostnameServer = args[2];
+			portServer = Integer.valueOf(Integer.parseInt(args[3]));
+			hostnameTracker = args[4];
+			portTracker = Integer.valueOf(Integer.parseInt(args[5]));
+			hostnameServBind = args[6];
+			portServBind = Integer.valueOf(Integer.parseInt(args[7]));
 		} else {
 			System.out.println("Client, wich transport protocol do you want to use (default = TCP): ");
 			protocolClient = scanner.nextLine();
@@ -132,19 +153,22 @@ public class ClientP2P {
 			} else {
 				portTracker = Integer.valueOf(Integer.parseInt(portTrackerStr));
 			}
+			hostnameServBind = hostnameServer;
+			portServBind = portServer;
 		}
 
 		boolean serverInRange = serverPortRange.isPortInRange(portServer);
+		boolean serverBindInRange = serverPortRange.isPortInRange(portServBind);
 		boolean trackerInRange = trackerPortRange.isPortInRange(portTracker);
 
-		if (serverInRange && trackerInRange) {
+		if (serverInRange && trackerInRange & serverBindInRange) {
 			System.out.println("using hostname : " + hostnameServer);
 			System.out.println("using port : " + portServer);
 			System.out.println("tracker hostname : " + hostnameTracker);
 			System.out.println("tracker port : " + portTracker);
-			ClientP2P c = new ClientP2P(hostnameServer, portServer, hostnameTracker, portTracker);
-			ServerManagementUDP smudp = new ServerManagementUDP(c.directories.getDataHomeDirectory(), c.server, c.tracker, c.loggerServer);
-			ServerManagementTCP smtcp = new ServerManagementTCP(c.directories.getDataHomeDirectory(), c.server, c.tracker, c.loggerServer);
+			ClientP2P c = new ClientP2P(hostnameServer, portServer, hostnameServBind, portServBind, hostnameTracker, portTracker);
+			ServerManagementUDP smudp = new ServerManagementUDP(c.directories.getDataHomeDirectory(), c.serverBinding, c.server, c.tracker, c.loggerServer);
+			ServerManagementTCP smtcp = new ServerManagementTCP(c.directories.getDataHomeDirectory(), c.serverBinding, c.server, c.tracker, c.loggerServer);
 			Thread tudp = new Thread(smudp);
 			tudp.setName("server UDP P2P-JAVA-PROJECT");
 			tudp.start();
@@ -193,6 +217,9 @@ public class ClientP2P {
 			if (!trackerInRange) {
 				System.err.println("TRACKER: Port not in range. " + trackerPortRange);
 			}
+			if (!serverBindInRange) {
+				System.err.println("SERVER-BINDING: Port not in range. " + serverPortRange);
+			}
 			System.exit(2);
 		}
 	}

src/serverP2P/ServerManagement.java

@@ -45,20 +45,29 @@ public abstract class ServerManagement extends ServeErrors implements Runnable {
 	protected Logger logger;
 	protected String baseDirectory;
 	protected HostItem server;
+	protected HostItem serverBinding;
 	protected HostItem tracker;
 	protected Random punisher = new Random();
 	protected RatioWatcher ratioWatcher;
 
-	/** Constructor */
-	public ServerManagement(String baseDirectory, HostItem server, HostItem tracker, Logger logger) {
+	/** Constructor
+	 * @param baseDirectory	the root directory where files are stored
+	 * @param serverBinding	ther server will bind on this hostItem
+	 * @param server	the server hostItem used to register on tracker
+	 * @param logger	Logger item
+	 * @param tracker	Tracker
+	 */
+	public ServerManagement(String baseDirectory, HostItem serverBinding, HostItem server, HostItem tracker, Logger logger) {
 		super();
 		assert baseDirectory != null : "baseDirectory is null";
+		assert serverBinding != null : "serverBinding is null";
 		assert server != null : "server is null";
 		assert tracker != null : "tracker is null";
 		assert logger != null : "logger is null";
 		stop = false;
 		this.baseDirectory = baseDirectory;
 		this.server = server;
+		this.serverBinding = serverBinding;
 		this.tracker = tracker;
 		this.logger = logger;
 	}

src/serverP2P/ServerManagementTCP.java

@@ -47,26 +47,37 @@ import serverP2P.FileWatcherTCP;
  * @version	1.0
  */
 public class ServerManagementTCP extends ServerManagement {
-
 	private ServerSocket socket;
 
-	/** Constructor for TCP implementation, with baseDirectory and TCPPort parameters.
+	/** Constructor for TCP implementation.
 	 * @param baseDirectory	the root directory where files are stored
-	 * @param hostName	the server will bind on this address
-	 * @param TCPPort	the server will listen on this port
+	 * @param serverBinding	ther server will bind on this hostItem
+	 * @param server	the server hostItem used to register on tracker
+	 * @param logger	Logger item
+	 * @param tracker	Tracker
+	 */
+	public ServerManagementTCP(String baseDirectory, HostItem serverBinding, HostItem server, HostItem tracker, Logger logger) {
+		super(baseDirectory, serverBinding, server, tracker, logger);
+		initSocket();
+	}
+
+	/** Constructor for TCP implementation.
+	 * @param baseDirectory	the root directory where files are stored
+	 * @param server	the server hostItem used to register on tracker
 	 * @param logger	Logger item
 	 * @param tracker	Tracker
 	 */
 	public ServerManagementTCP(String baseDirectory, HostItem server, HostItem tracker, Logger logger) {
-		super(baseDirectory, server, tracker, logger);
-		assert baseDirectory != null : "baseDirectory is null";
-		assert server != null : "server is null";
-		assert tracker != null : "tracker is null";
-		assert logger != null : "logger is null";
+		super(baseDirectory, server, server, tracker, logger);
+		initSocket();
+	}
+
+	/** Initialize socket */
+	private void initSocket() {
 		try {
-			socket = new ServerSocket(server.getPort(), 10, server.getInetAddress());
+			socket = new ServerSocket(serverBinding.getPort(), 10, serverBinding.getInetAddress());
 		} catch (SocketException e) {
-			writeLog("Error: cannot listen on " + server, LogLevel.Error);
+			writeLog("Error: cannot listen on " + serverBinding, LogLevel.Error);
 			System.exit(-1);
 		} catch (IOException e) {
 			writeLog("Error: cannot openning socket", LogLevel.Error);

src/serverP2P/ServerManagementUDP.java

@@ -47,23 +47,35 @@ public class ServerManagementUDP extends ServerManagement {
 
 	private DatagramSocket socket;
 
-	/** Constructor for UDP implementation, with baseDirectory and UDPPort parameters.
+	/** Constructor for UDP implementation.
 	 * @param baseDirectory	the root directory where files are stored
-	 * @param hostName	the server will bind on this address
-	 * @param port	the server will listen on this port
+	 * @param server	the server hostItem used to register on tracker
 	 * @param logger	Logger item
 	 * @param tracker	Tracker
 	 */
 	public ServerManagementUDP(String baseDirectory, HostItem server, HostItem tracker, Logger logger) {
-		super(baseDirectory, server, tracker, logger);
-		assert baseDirectory != null : "baseDirectory is null";
-		assert server != null : "server is null";
-		assert tracker != null : "tracker is null";
-		assert logger != null : "logger is null";
+		super(baseDirectory, server, server, tracker, logger);
+		initSocket();
+	}
+
+	/** Constructor for UDP implementation.
+	 * @param baseDirectory	the root directory where files are stored
+	 * @param serverBinding	ther server will bind on this hostItem
+	 * @param server	the server hostItem used to register on tracker
+	 * @param logger	Logger item
+	 * @param tracker	Tracker
+	 */
+	public ServerManagementUDP(String baseDirectory, HostItem serverBinding, HostItem server, HostItem tracker, Logger logger) {
+		super(baseDirectory, serverBinding, server, tracker, logger);
+		initSocket();
+	}
+
+	/** Initialize socket */
+	private void initSocket() {
 		try {
-			socket = new DatagramSocket(server.getPort(), server.getInetAddress());
+			socket = new DatagramSocket(serverBinding.getPort(), serverBinding.getInetAddress());
 		} catch (SocketException e) {
-			logger.writeUDP("Error: cannot listen on " + server, LogLevel.Error);
+			logger.writeUDP("Error: cannot listen on " + serverBinding, LogLevel.Error);
 			System.exit(-1);
 		}
 	}

src/tracker/TrackerManagement.java

@@ -259,7 +259,11 @@ public abstract class TrackerManagement extends ServeErrors implements Runnable
 				while(readLock.get() > 0) {
 					this.wait();
 				}
-				if (!ratioDown.containsKey(updateRatioClient) || ! ratioUp.containsKey(updateRatioServer)) {
+				if (!ratioDown.containsKey(updateRatioClient)) {
+					writeLog("Unkwnow client host " + updateRatioClient, LogLevel.Debug);
+					sendUnknownHost(pd);
+				} else if (!ratioUp.containsKey(updateRatioServer)) {
+					writeLog("Unkwnow server host " + updateRatioServer, LogLevel.Debug);
 					sendUnknownHost(pd);
 				} else {
 					ratioDown.put(updateRatioClient, Long.valueOf(ratioDown.get(updateRatioClient).longValue() + ratioSize));