Java tutorial
/* * JBoss, Home of Professional Open Source * Copyright XXXX, Red Hat Middleware LLC, and individual contributors as indicated * by the @authors tag. All rights reserved. * See the copyright.txt in the distribution for a full listing * of individual contributors. * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions * of the GNU General Public License, v. 2.0. * This program is distributed in the hope that it will be useful, but WITHOUT A * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE. See the GNU General Public License for more details. * You should have received a copy of the GNU General Public License, * v. 2.0 along with this distribution; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301, USA. */ package org.mobicents.media.server.rtsp.action; import io.netty.handler.codec.http.DefaultFullHttpResponse; import io.netty.handler.codec.http.FullHttpResponse; import io.netty.handler.codec.http.HttpHeaders; import io.netty.handler.codec.http.HttpRequest; import io.netty.handler.codec.rtsp.RtspHeaders; import io.netty.handler.codec.rtsp.RtspResponseStatuses; import io.netty.handler.codec.rtsp.RtspVersions; import java.io.File; import java.net.InetSocketAddress; import java.net.URI; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.concurrent.Callable; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; import org.mobicents.media.server.ctrl.rtsp.session.RtspSession; import org.mobicents.media.server.ctrl.rtsp.session.SessionState; import org.mobicents.media.server.rtsp.RtspProvider; import org.mobicents.media.server.spi.Connection; import org.mobicents.media.server.spi.ConnectionMode; import org.mobicents.media.server.spi.ConnectionType; import org.mobicents.media.server.spi.Endpoint; import org.mobicents.media.server.spi.player.Player; /** * * @author amit bhayani * */ public class SetupAction implements Callable<FullHttpResponse> { // TODO : Multicast not taken care // TODO : Only UDP is supported, check that no TCP in Transport private static final Logger logger = Logger.getLogger(SetupAction.class); // private final String ENDPOINT_NAME = "/mobicents/media/aap/$"; private final String ENDPOINT_NAME = "/mobicents/media/mms/$"; private static final ConnectionMode mode = ConnectionMode.SEND_ONLY; private final RtspProvider rtspProvider; private final HttpRequest request; private final String remoteHost; private String clientPort = null; private static final String DATE_PATTERN = "EEE, d MMM yyyy HH:mm:ss z"; private static final SimpleDateFormat formatter = new SimpleDateFormat(DATE_PATTERN); public SetupAction(RtspProvider rtspProvider, HttpRequest request, String remoteIp) { this.rtspProvider = rtspProvider; this.request = request; this.remoteHost = remoteIp; } private RtspSession getSession(String sessionID) { if (StringUtils.isEmpty(sessionID)) { return null; } return rtspProvider.getSession(sessionID, true); } public FullHttpResponse call() throws Exception { FullHttpResponse response = null; //determine session RtspSession session = getSession(this.request.headers().get(RtspHeaders.Names.SESSION)); if (session == null) { response = new DefaultFullHttpResponse(RtspVersions.RTSP_1_0, RtspResponseStatuses.SESSION_NOT_FOUND); response.headers().add(HttpHeaders.Names.SERVER, RtspProvider.SERVER); response.headers().add(RtspHeaders.Names.CSEQ, this.request.headers().get(RtspHeaders.Names.CSEQ)); return response; } String filePath = null; String trackID = null; URI uri = new URI(this.request.getUri()); String path = uri.getPath(); int pos = path.indexOf("/trackID"); if (pos > 0) { filePath = path.substring(0, pos); trackID = path.substring(pos + 1); } else { filePath = path; } File f = new File(filePath); if (f.isDirectory() || !f.exists()) { response = new DefaultFullHttpResponse(RtspVersions.RTSP_1_0, RtspResponseStatuses.NOT_FOUND); response.headers().add(HttpHeaders.Names.SERVER, RtspProvider.SERVER); response.headers().add(RtspHeaders.Names.CSEQ, this.request.headers().get(RtspHeaders.Names.CSEQ)); return response; } int remotePort = this.getRemotePort(); InetSocketAddress remoteAddress = new InetSocketAddress(remoteHost, remotePort); if (session.getState() == SessionState.PLAYING || session.getState() == SessionState.RECORDING) { // We don't support changing the Transport while state is PLAYING or RECORDING response = new DefaultFullHttpResponse(RtspVersions.RTSP_1_0, RtspResponseStatuses.METHOD_NOT_VALID); response.headers().add(HttpHeaders.Names.SERVER, RtspProvider.SERVER); response.headers().add(RtspHeaders.Names.CSEQ, this.request.headers().get(RtspHeaders.Names.CSEQ)); return response; } Endpoint endpoint = (Endpoint) session.getAttribute("endpoint"); /**if (endpoint == null) { try { endpoint = rtspController.lookup(ENDPOINT_NAME); session.setAttribute("endpoint", endpoint); } catch (ResourceUnavailableException e) { logger.warn("There is no free endpoint: " + ENDPOINT_NAME); response = new DefaultFullHttpResponse(RtspVersions.RTSP_1_0, RtspResponseStatuses.SERVICE_UNAVAILABLE); response.headers().add(HttpHeaders.Names.SERVER, RtspController.SERVER); response.headers().add(RtspHeaders.Names.CSEQ, this.request.headers().get(RtspHeaders.Names.CSEQ)); return response; } }*/ Connection connection = (Connection) session.getAttribute("connection"); if (connection == null) { try { connection = endpoint.createConnection(ConnectionType.RTP, false); connection.setMode(mode); session.setAttribute("connection", connection); } catch (Exception e) { logger.error(e); response = new DefaultFullHttpResponse(RtspVersions.RTSP_1_0, RtspResponseStatuses.SERVICE_UNAVAILABLE); response.headers().add(HttpHeaders.Names.SERVER, RtspProvider.SERVER); response.headers().add(RtspHeaders.Names.CSEQ, this.request.headers().get(RtspHeaders.Names.CSEQ)); return response; } } int ssrc = 268435456 + (int) (Math.random() * (Integer.MAX_VALUE - 268435456)); Player player = null;//(Player) endpoint.getComponent("player"); player.setURL(f.getAbsolutePath()); // player.setSSRC(trackID, ssrc); List<String> trackIds = (List<String>) session.getAttribute("trackIds"); if (trackIds == null) { trackIds = new ArrayList<String>(); session.setAttribute("trackIds", trackIds); } trackIds.add(trackID); // connection.setOtherParty(trackID, remoteAddress); int port = 0;//endpoint.getLocalPort(trackID); String source = null;//endpoint.getLocalAddress(trackID); String lastModified = formatter.format(new Date(f.lastModified())); String date = formatter.format(new Date()); String transport = "RTP/AVP/UDP;unicast;source=" + source + ";" + this.clientPort + ";server_port=" + port + "-" + port + ";ssrc=" + Integer.toHexString(ssrc); response = new DefaultFullHttpResponse(RtspVersions.RTSP_1_0, RtspResponseStatuses.OK); response.headers().add(HttpHeaders.Names.SERVER, RtspProvider.SERVER); response.headers().add(RtspHeaders.Names.CSEQ, this.request.headers().get(RtspHeaders.Names.CSEQ)); response.headers().add(RtspHeaders.Names.SESSION, session.getId()); response.headers().add(RtspHeaders.Names.TRANSPORT, transport); response.headers().add(HttpHeaders.Names.LAST_MODIFIED, lastModified); //TODO CACHE_CONTROL must come from settings. Let user decide how they want CACHE_CONTROL response.headers().add(HttpHeaders.Names.CACHE_CONTROL, "must-revalidate"); response.headers().add(HttpHeaders.Names.DATE, date); //TODO EXPIRES must come from settings. Also depends on CACHE_CONTRL response.headers().add(HttpHeaders.Names.EXPIRES, date); session.setState(SessionState.READY); //ConnectionActivity connectionActivity = session.addConnection(connection); return response; } private int getRemotePort() { String transport = this.request.headers().get(RtspHeaders.Names.TRANSPORT); String[] transParameters = transport.split(";"); for (String s : transParameters) { if (s.contains("client_port")) { this.clientPort = s; String[] values = s.split("="); values = values[1].split("-"); return Integer.parseInt(values[0]); } } return 0; } }