Rachid Lajouad

Technologies d’accès :

Sockets ou

DataGram

RMI (JAVA)

CORBA(Multi

Langages)EJB (J2EE)

Web Services (HTTP +XML)

Lajouad Rachid 2Prog Client Server - 2 BTS DSI (Kenitra)

Class: InetAdress•byte[] getAddress()

•InetAdress[] getAllByName(String host)

•InetAdress getByAddress(byte[] addr)

•InetAdress getByAddress(String host,

byte[] addr)

•InetAdress getByName(String host)

•Boolean IsReachable(int timeout)

•String getHostAddress()

•String getHostName()

•InetAdress getLocalHost()

•String toString()

Lajouad Rachid 3Prog Client Server - 2 BTS DSI (Kenitra)

Lajouad Rachid 4Prog Client Server - 2 BTS DSI (Kenitra)

Lajouad Rachid 5Prog Client Server - 2 BTS DSI (Kenitra)

Byte

DatagramPacket

DatagramSocket

byte[]

DatagramPacket

DatagramSocket

byte[]

DatagramPacket(byte[] buf, int length)

DatagramPacket(byte[] buf, int length, InetAddress address, int

port)

InetAddress getAddress()

int getPort()

byte[] getData()

int getLength()

void setAddress(InetAdress adr)

void setPort(int port)

void setData(byte[] data)

int setLength(int length)

Lajouad Rachid Prog Client Server - 2 BTS DSI (Kenitra) 6

DatagramSocket() throws SocketException

DatagramSocket(int port) throws SocketException

public void send(DatagramPacket p) throws IOException

public void receive(DatagramPacket p) throws

IOException

public void close()

public int getLocalPort()

public void setSoTimeout(int timeout) throws

SocketException

Lajouad Rachid Prog Client Server - 2 BTS DSI (Kenitra) 7

Lajouad Rachid 8Prog Client Server - 2 BTS DSI (Kenitra)

Byte

InetAddress adr;

DatagramPacket packet;

DatagramSocket socket;

adr =

InetAddress.getByName("localhost");

byte[] data = (new

String("youpi")).getBytes();

packet = new DatagramPacket(data,

data.length, adr, 7777);

socket = new DatagramSocket();

socket.send(packet);

DatagramSocket socket;

DatagramPacket packet;

DatagramSocket socket = new

DatagramSocket(7777);

byte[] data = new byte[15];

packet = new DatagramPacket(data,

data.length);

socket.receive(packet);

String chaine = new String(

packet.getData(), 0,

packet.getLength());

System.out.println(" recu :

"+chaine);

Lajouad Rachid 9Prog Client Server - 2 BTS DSI (Kenitra)

Byte

getInputStream

getOutputStream

Socket

getInputStream

getOutputStream

Socket

ServerSocket

Lajouad Rachid 10Prog Client Server - 2 BTS DSI (Kenitra)

Byte

Socket s = new

Socket("192.168.1.2",1234);

OutputStream os =

s.getOutputStream();

InputStream is =

s.getInputStream();

//pour lire

System.out.println(is.read());

//pour ecrire

os.write(12); /*12 est la valeur

à envoyer*/

ServerSocket ss = new

ServerSocket(1234);

Socket s = ss.accept();

OutputStream os =

s.getOutputStream();

InputStream is =

s.getInputStream();

//pour lire

System.out.println(is.read());

//pour ecrire

os.write(12); /*12 est la valeur

à envoyer*/

Lajouad Rachid 11Prog Client Server - 2 BTS DSI (Kenitra)

Client / Serveur

InputStream

OutputStream

InputStreamReader------------------------------

read()

BufferedReader------------------------------

readLine()

PrintWriter------------------------------

println()

Lajouad Rachid 12Prog Client Server - 2 BTS DSI (Kenitra)

Client / Serveur

InputStream

OutputStream

ObjectInputStream------------------------------

readObject()

ObjectOutputStream------------------------------

writeObject()

Lajouad Rachid 13Prog Client Server - 2 BTS DSI (Kenitra)