/*--- formatted by Jindent 2.1, (www.c-lab.de/~jindent) ---*/
/**
* ***************************************************************
* The LEAP libraries, when combined with certain JADE platform components,
* provide a run-time environment for enabling FIPA agents to execute on
* lightweight devices running Java. LEAP and JADE teams have jointly
* designed the API for ease of integration and hence to take advantage
* of these dual developments and extensions so that users only see
* one development platform and a
* single homogeneous set of APIs. Enabling deployment to a wide range of
* devices whilst still having access to the full development
* environment and functionalities that JADE provides.
* Copyright (C) 2001 Telecom Italia LAB S.p.A.
* Copyright (C) 2001 Motorola.
*
* GNU Lesser General Public License
*
* This library 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,
* version 2.1 of the License.
*
* This library 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 library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* **************************************************************
*/
package jade.imtp.leap.http;
//#MIDP_EXCLUDE_FILE
import jade.imtp.leap.JICP.Connection;
import jade.imtp.leap.JICP.JICPPacket;
import jade.imtp.leap.JICP.JICPProtocol;
import java.io.*;
import java.net.*;
/**
* Connection class to handle HTTP requests/responses on
* the server side.
* Note that unlike the HTTPClientConnection that "looks
* like" a permanent pipe where several request/response sessions
* can occur, the HTTPServerConnection handles a single
* request/response session.
* @author Giovanni Caire - TILAB
*/
class HTTPServerConnection extends Connection {
private Socket sc;
private InputStream is;
private OutputStream os;
private boolean readAvailable;
private boolean writeAvailable;
/**
* Constructor declaration
*/
public HTTPServerConnection(Socket s) {
sc = s;
readAvailable = true;
writeAvailable = false;
}
public JICPPacket readPacket() throws IOException {
if (readAvailable) {
JICPPacket pkt = HTTPHelper.readPacketFromHttp(sc.getInputStream());
readAvailable = false;
writeAvailable = true;
return pkt;
} else {
throw new IOException("Read not available");
}
}
public int writePacket(JICPPacket pkt) throws IOException {
if (writeAvailable) {
try {
// Create an HTTPResponse and set the serialized JICPPacket as payload
HTTPResponse response = HTTPHelper.wrapInHttp(pkt);
// Write the HTTPResponse to os and close the connection
os = sc.getOutputStream();
response.writeTo(os);
os.flush();
readAvailable = true;
writeAvailable = false;
return response.getPayload().length;
} finally {
try {
close();
} catch (Exception e) {
}
}
} else {
throw new IOException("Write not available");
}
}
/**
*/
public void close() throws IOException {
readAvailable = false;
writeAvailable = false;
try {
is.close();
} catch (Exception e) {
}
is = null;
try {
os.close();
} catch (Exception e) {
}
os = null;
try {
sc.close();
} catch (Exception e) {
}
sc = null;
}
/**
*/
public String getRemoteHost() throws Exception {
return sc.getInetAddress().getHostAddress();
}
}