/*
* TeleStax, Open Source Cloud Communications Copyright 2012.
* and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.mobicents.ss7.management.console;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.Collection;
import org.mobicents.ss7.management.transceiver.ChannelProvider;
import org.mobicents.ss7.management.transceiver.Message;
import org.mobicents.ss7.management.transceiver.MessageFactory;
/**
* @author amit bhayani
*
*/
public class CommandContextImpl implements CommandContext {
public static final String CONNECTED_AUTHENTICATING_MESSAGE = "Authenticating against configured security realm";
public static final String CONNECTED_AUTHENTICATION_FAILED = "Authentication failed";
public static final String CLOSING_CONNECTION_MESSAGE = "Closing this connection";
private MessageFactory messageFactory = ChannelProvider.provider().getMessageFactory();
private String prompt;
private String prefix;
private boolean terminated = false;
private Console console;
private Client client = null;
/** the default controller host */
private String defaultControllerHost = "127.0.0.1";
/** the default controller port */
private int defaultControllerPort = 3435;
/** the host of the controller */
private String controllerHost;
/** the port of the controller */
private int controllerPort = -1;
/** the command line specified username */
private String username;
/** the command line specified password */
private String password;
/**
*
*/
public CommandContextImpl() {
this.client = new Client();
try {
this.console = new ConsoleImpl(this);
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Set the prefix. Adds this prefix on next line after reading current line of data
*
* @param prefix
*/
public void setPrefix(String prefix) {
this.prefix = prefix;
this.prompt = this.prefix + Shell.CLI_POSTFIX;
}
/**
* @return the prefix
*/
public String getPrefix() {
return prefix;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#isConnected()
*/
@Override
public boolean isControllerConnected() {
return this.client.isConnected();
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#printLine(java.lang .String)
*/
@Override
public void printLine(String message) {
console.print(message);
console.printNewLine();
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#printColumns(java .util.Collection)
*/
@Override
public void printColumns(Collection<String> col) {
console.printColumns(col);
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#clearScreen()
*/
@Override
public void clearScreen() {
console.clearScreen();
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#terminateSession()
*/
@Override
public void terminateSession() {
this.terminated = true;
this.console.stop();
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#isTerminated()
*/
@Override
public boolean isTerminated() {
return this.terminated;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#connectController (java.lang.String, int)
*/
@Override
public void connectController(String host, int port) {
try {
if (host == null && port == -1) {
try {
this.controllerHost = this.defaultControllerHost;
this.controllerPort = this.defaultControllerPort;
client.connect(new InetSocketAddress(this.controllerHost, this.controllerPort));
this.prompt = this.prefix + "(local)" + Shell.CLI_POSTFIX;
} catch (IOException e) {
this.printLine(e.getMessage());
}
} else {
this.controllerHost = host;
this.controllerPort = port;
client.connect(new InetSocketAddress(this.controllerHost, this.controllerPort));
this.prompt = this.prefix + "(" + host + ":" + port + ")" + Shell.CLI_POSTFIX;
}
Message incomingFirstMessage = this.client.run(null);
String mesage = incomingFirstMessage.toString();
this.printLine(mesage);
if (mesage.contains(CONNECTED_AUTHENTICATING_MESSAGE)) {
username = this.console.readLine("Username:");
this.client.run(messageFactory.createMessage(username));
password = this.console.readLine("Password:", '*');
Message message = this.client.run(messageFactory.createMessage(password));
mesage = message.toString();
if (mesage.equals(CONNECTED_AUTHENTICATION_FAILED)) {
this.printLine(message.toString());
this.disconnectController();
}
} else if (mesage.contains(CLOSING_CONNECTION_MESSAGE)) {
this.disconnectController();
}
} catch (Exception e) {
this.printLine(e.getMessage());
}
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#disconnectController ()
*/
@Override
public void disconnectController() {
this.client.stop();
this.prompt = this.prefix + Shell.CLI_POSTFIX;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#getDefaultControllerHost ()
*/
@Override
public String getDefaultControllerHost() {
return this.defaultControllerHost;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#getDefaultControllerPort ()
*/
@Override
public int getDefaultControllerPort() {
return this.defaultControllerPort;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#getControllerHost()
*/
@Override
public String getControllerHost() {
return this.controllerHost;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#getControllerPort()
*/
@Override
public int getControllerPort() {
return this.controllerPort;
}
/*
* (non-Javadoc)
*
* @see org.mobicents.ss7.management.console.CommandContext#getHistory()
*/
@Override
public CommandHistory getHistory() {
return this.console.getHistory();
}
@Override
public void sendMessage(String text) {
Message outgoing = messageFactory.createMessage(text);
try {
Message incoming = this.client.run(outgoing);
if (incoming != null) {
this.printLine(incoming.toString());
} else {
this.printLine("No response from server");
}
} catch (IOException e) {
this.printLine(e.getMessage());
this.disconnectController();
}
}
protected String readLine() {
return this.console.readLine(this.prompt);
}
}