File size: 2,610 Bytes
7e59e4c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | package Server;
/*
* ClientConnection.java
*/
import java.io.*;
import java.net.*;
import java.util.*;
import Common.*;
/**This class maintains the connection information of the client including the
* socket for communicating with the client.
* It also has fields which act as a temporary storage space for messages
* received by the ServerSocketReader.
*/
public class ClientConnection extends Thread
{
/**The socket which the server reads from and writes to*/
protected Socket connection;
/**Manager object used for synchronization
* (The reader unblocks the blocked manager
* thread using this object).
*/
protected ServerManager manager;
/**Output Stream obtained from the socket*/
protected DataOutputStream output;
/**Input Stream for writing to the socket*/
protected DataInputStream input;
/**Temporary place where the "ServerReader" stores its messages read
* from the socket.*/
protected Message message;
/**ServerReader updates (sets) this flag when it reads something
* from the socket.
* The ServerManager resets this flag when it has taken an action on it.
*/
protected boolean update = false;
/**Constructor that builds a new connection and starts the
* ServerSocketReader to recieve messages from the client.
* @param clientSocket This is the socket which is to be used for communication
* with the client.
* @param m This is the ServerManager object which this connection will
* use for synchronization.
*/
public ClientConnection(Socket clientSocket, ServerManager m)
{
connection = clientSocket;
manager = m;
try
{
//output = new ObjectOutputStream(connection.getOutputStream());
output = new DataOutputStream(connection.getOutputStream());
showMessage("Got Output Stream..." + output);
}
catch (IOException e)
{
showMessage("Exception while getting Output Stream.");
}
try
{
showMessage("About to get Input Stream...");
//input = new ObjectInputStream(connection.getInputStream());
input = new DataInputStream(connection.getInputStream());
showMessage("Got Input Stream..." + input);
}
catch (IOException e)
{
showMessage("Exception while getting Input Stream.");
}
message = new Message();
new ServerSocketReader(this);
this.start();
}
/**Null function does nothing.
*/
public void run()
{
}
/**A small function to display messages.
* @param msg The message string to show.
*/
private void showMessage(String msg)
{
System.err.println("ClientConnection: " + msg);
}
}
|