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TCPServer.java
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TCPServer.java
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package ronidea.viewonphone;
import android.util.Log;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.io.IOException;
import java.net.Socket;
/**
* It's cool
*/
class TCPServer {
private static ServerSocket server;
private static Socket client;
private BufferedReader in;
private PrintWriter out;
private static final int PORT = 6321; // no reason, just a random number
TCPServer() {
start();
}
private void start() {
Log.d("TCPServer","start()");
try {
server = new ServerSocket();
server.setReuseAddress(true);
server.bind(new InetSocketAddress(PORT));
} catch (IOException e) {
e.printStackTrace();
}
}
void send (String outputLine) {
out.println(outputLine);
close();
}
boolean waitForClient() {
Log.d("TCPServer","waitForClient()");
// firstly: get a client
client = null;
try {
client = server.accept();
} catch (IOException e) {
client = null;
e.printStackTrace();
return false;
}
// return false if client did not connect successfully
if (!client.isConnected()) {
return false;
}
// secondly: put a Reader and Writer onto the newly connected client
try {
in = new BufferedReader(new InputStreamReader(client.getInputStream(), "UTF-8"));
out = new PrintWriter (client.getOutputStream (), true);
} catch (IOException e) {
e.printStackTrace();
return false;
}
return true;
}
String getInputLine() {
Log.d("TCPServer","getInputLine()");
String inputLine = null;
try {
inputLine = "" + in.readLine();
} catch (Exception e) {
e.printStackTrace();
return null;
}
return inputLine;
}
String getConnectedIPAddress() {
return client.getInetAddress().toString().replace("/", "");
}
void close() {
Log.d("TCPServer", "close()");
try {
server.close();
server = null;
} catch (Exception e) {
e.printStackTrace();
}
}
}