AKP
73d797e638
Add `BooksDatabaseClient.java` Add `BooksDatabaseServer.java` Add `BooksDatabaseService.java`
85 lines
2.5 KiB
Java
85 lines
2.5 KiB
Java
/*
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* BooksDatabaseServer.java
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*
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* The server main class.
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* This server provides a service to access the Books database.
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*
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* author: 2430671
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*
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*/
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import java.net.Socket;
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import java.net.ServerSocket;
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import java.net.InetAddress;
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public class BooksDatabaseServer {
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private int thePort = 0;
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private String theIPAddress = null;
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private ServerSocket serverSocket = null;
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//Support for closing the server
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//private boolean keypressedFlag = false;
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//Class constructor
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public BooksDatabaseServer(){
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//Initialize the TCP socket
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thePort = Credentials.PORT;
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theIPAddress = Credentials.HOST;
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//Initialize the socket and runs the service loop
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System.out.println("Server: Initializing server socket at " + theIPAddress + " with listening port " + thePort);
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System.out.println("Server: Exit server application by pressing Ctrl+C (Windows or Linux) or Opt-Cmd-Shift-Esc (Mac OSX)." );
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try {
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//Initialize the socket
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serverSocket = new ServerSocket(thePort, 1, InetAddress.getByName(theIPAddress));
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System.out.println("Server: Server at " + theIPAddress + " is listening on port : " + thePort);
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} catch (Exception e){
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//The creation of the server socket can cause several exceptions;
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//See https://docs.oracle.com/javase/7/docs/api/java/net/ServerSocket.html
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System.out.println(e);
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System.exit(1);
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}
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}
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//Runs the service loop
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public void executeServiceLoop()
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{
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System.out.println("Server: Start service loop.");
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try {
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//Service loop
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while (true) {
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Socket sock = serverSocket.accept();
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new BooksDatabaseService(sock);
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}
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} catch (Exception e){
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//The creation of the server socket can cause several exceptions;
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//See https://docs.oracle.com/javase/7/docs/api/java/net/ServerSocket.html
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System.out.println(e);
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}
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System.out.println("Server: Finished service loop.");
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}
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/*
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@Override
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protected void finalize() {
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//If this server has to be killed by the launcher with destroyForcibly
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//make sure we also kill the service threads.
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System.exit(0);
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}
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*/
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public static void main(String[] args){
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//Run the server
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BooksDatabaseServer server=new BooksDatabaseServer(); //inc. Initializing the socket
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server.executeServiceLoop();
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System.out.println("Server: Finished.");
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System.exit(0);
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}
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}
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