в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:16:47Z

1 версия

Новая страница

== new ServerSocket(int port) ==



<source lang="java">
/*
* Output:
*
*/
import java.io.DataOutputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
public class MainClass {
public static void main(String args[]) {
try {
int port = 5555;
ServerSocket ss = new ServerSocket(port);
while (true) {
// Accept incoming requests
Socket s = ss.accept();
// Write result to client
OutputStream os = s.getOutputStream();
DataOutputStream dos = new DataOutputStream(os);
dos.writeInt(100);
s.close();
}
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}

</source>



== ServerSocket: accept() ==



<source lang="java">
/*
* Output:
*
*/
import java.io.DataOutputStream;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
public class MainClass {
public static void main(String args[]) {
try {
int port = 5555;
ServerSocket ss = new ServerSocket(port);
while (true) {
// Accept incoming requests
Socket s = ss.accept();
// Write result to client
OutputStream os = s.getOutputStream();
DataOutputStream dos = new DataOutputStream(os);
dos.writeInt(100);
s.close();
}
} catch (Exception e) {
System.out.println("Exception: " + e);
}
}
}

</source>



== ServerSocket: bind(SocketAddress endpoint) ==



<source lang="java">
import java.nio.CharBuffer;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
public class MainClass {
public static void main(String[] args) throws Exception{
CharsetEncoder encoder = Charset.forName("US-ASCII").newEncoder();
ServerSocketChannel server = ServerSocketChannel.open();
server.socket().bind(new java.net.InetSocketAddress(8000));
for (;;) { // This server runs forever
SocketChannel client = server.accept();
String response = new java.util.Date().toString() + "\r\n";
client.write(encoder.encode(CharBuffer.wrap(response)));
client.close();
}
}
}

</source>



== ServerSocket: getLocalPort() ==



<source lang="java">
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketTimeoutException;
public class MainClass extends Thread {
private ServerSocket serverSocket;
public MainClass(int port) throws IOException {
serverSocket = new ServerSocket(port);
}
public void run() {
while (true) {
try {
System.out.println("Waiting for client on port " + serverSocket.getLocalPort() + "...");
Socket server = serverSocket.accept();
System.out.println("Just connected to " + server.getRemoteSocketAddress());
DataInputStream in = new DataInputStream(server.getInputStream());
System.out.println(in.readUTF());
DataOutputStream out = new DataOutputStream(server.getOutputStream());
out
.writeUTF("Thank you for connecting to " + server.getLocalSocketAddress()
+ "\nGoodbye!");
server.close();
} catch (SocketTimeoutException s) {
System.out.println("Socket timed out!");
break;
} catch (IOException e) {
e.printStackTrace();
break;
}
}
}
public static void main(String[] args) {
int port = Integer.parseInt(args[0]);
try {
Thread t = new MainClass(port);
t.start();
} catch (IOException e) {
e.printStackTrace();
}
}
}

</source>



== ServerSocket: readUTF() and writeUTF(String str) ==



<source lang="java">
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
public class MainClass extends Thread {
private ServerSocket serverSocket;
public MainClass() throws IOException {
serverSocket = new ServerSocket(2000);
}
public void run() {
try {
Socket client = serverSocket.accept();
DataInputStream in = new DataInputStream(client.getInputStream());
BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
DataOutputStream out = new DataOutputStream(client.getOutputStream());
while (true) {
String message = in.readUTF();
System.out.println(message);
System.out.print("Enter response: ");
String response = console.readLine();
out.writeUTF(response);
}
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
Thread t = new MainClass();
t.start();
} catch (IOException e) {
e.printStackTrace();
}
}
}

</source>



== ServerSocket: setSoTimeout(int timeout) ==



<source lang="java">
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketTimeoutException;
public class MainClass extends Thread {
private ServerSocket serverSocket;
public MainClass() throws IOException {
serverSocket = new ServerSocket(8008);
serverSocket.setSoTimeout(10000);
}
public void run() {
while (true) {
try {
System.out.println("Waiting for client on port " + serverSocket.getLocalPort() + "...");
Socket client = serverSocket.accept();
System.out.println("Just connected to " + client.getRemoteSocketAddress());
client.close();
} catch (SocketTimeoutException s) {
System.out.println("Socket timed out!");
break;
} catch (IOException e) {
e.printStackTrace();
break;
}
}
}
public static void main(String[] args) {
try {
Thread t = new MainClass();
t.start();
} catch (IOException e) {
e.printStackTrace();
}
}
}

</source>

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в 17:43, 31 мая 2010

Admin: 1 версия