1 /*

     2  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package sun.net.httpserver;

    27 

    28 import java.io.*;

    29 import javax.net.ssl.*;

    30 import java.nio.channels.*;

    31 import java.lang.System.Logger;

    32 import java.lang.System.Logger.Level;

    33 import com.sun.net.httpserver.*;

    34 import com.sun.net.httpserver.spi.*;

    35 

    36 /**

    37  * encapsulates all the connection specific state for a HTTP/S connection

    38  * one of these is hung from the selector attachment and is used to locate

    39  * everything from that.

    40  */

    41 class HttpConnection {

    42 

    43     HttpContextImpl context;

    44     SSLEngine engine;

    45     SSLContext sslContext;

    46     SSLStreams sslStreams;

    47 

    48     /* high level streams returned to application */

    49     InputStream i;

    50 

    51     /* low level stream that sits directly over channel */

    52     InputStream raw;

    53     OutputStream rawout;

    54 

    55     SocketChannel chan;

    56     SelectionKey selectionKey;

    57     String protocol;

    58     long time;

    59     volatile long creationTime; // time this connection was created

    60     volatile long rspStartedTime; // time we started writing the response

    61     int remaining;

    62     boolean closed = false;

    63     Logger logger;

    64 

    65     public enum State {IDLE, REQUEST, RESPONSE};

    66     volatile State state;

    67 

    68     public String toString() {

    69         String s = null;

    70         if (chan != null) {

    71             s = chan.toString();

    72         }

    73         return s;

    74     }

    75 

    76     HttpConnection () {

    77     }

    78 

    79     void setChannel (SocketChannel c) {

    80         chan = c;

    81     }

    82 

    83     void setContext (HttpContextImpl ctx) {

    84         context = ctx;

    85     }

    86 

    87     State getState() {

    88         return state;

    89     }

    90 

    91     void setState (State s) {

    92         state = s;

    93     }

    94 

    95     void setParameters (

    96         InputStream in, OutputStream rawout, SocketChannel chan,

    97         SSLEngine engine, SSLStreams sslStreams, SSLContext sslContext, String protocol,

    98         HttpContextImpl context, InputStream raw

    99     )

   100     {

   101         this.context = context;

   102         this.i = in;

   103         this.rawout = rawout;

   104         this.raw = raw;

   105         this.protocol = protocol;

   106         this.engine = engine;

   107         this.chan = chan;

   108         this.sslContext = sslContext;

   109         this.sslStreams = sslStreams;

   110         this.logger = context.getLogger();

   111     }

   112 

   113     SocketChannel getChannel () {

   114         return chan;

   115     }

   116 

   117     synchronized void close () {

   118         if (closed) {

   119             return;

   120         }

   121         closed = true;

   122         if (logger != null && chan != null) {

   123             logger.log (Level.TRACE, "Closing connection: " + chan.toString());

   124         }

   125 

   126         if (!chan.isOpen()) {

   127             ServerImpl.dprint ("Channel already closed");

   128             return;

   129         }

   130         try {

   131             /* need to ensure temporary selectors are closed */

   132             if (raw != null) {

   133                 raw.close();

   134             }

   135         } catch (IOException e) {

   136             ServerImpl.dprint (e);

   137         }

   138         try {

   139             if (rawout != null) {

   140                 rawout.close();

   141             }

   142         } catch (IOException e) {

   143             ServerImpl.dprint (e);

   144         }

   145         try {

   146             if (sslStreams != null) {

   147                 sslStreams.close();

   148             }

   149         } catch (IOException e) {

   150             ServerImpl.dprint (e);

   151         }

   152         try {

   153             chan.close();

   154         } catch (IOException e) {

   155             ServerImpl.dprint (e);

   156         }

   157     }

   158 

   159     /* remaining is the number of bytes left on the lowest level inputstream

   160      * after the exchange is finished

   161      */

   162     void setRemaining (int r) {

   163         remaining = r;

   164     }

   165 

   166     int getRemaining () {

   167         return remaining;

   168     }

   169 

   170     SelectionKey getSelectionKey () {

   171         return selectionKey;

   172     }

   173 

   174     InputStream getInputStream () {

   175             return i;

   176     }

   177 

   178     OutputStream getRawOutputStream () {

   179             return rawout;

   180     }

   181 

   182     String getProtocol () {

   183             return protocol;

   184     }

   185 

   186     SSLEngine getSSLEngine () {

   187             return engine;

   188     }

   189 

   190     SSLContext getSSLContext () {

   191             return sslContext;

   192     }

   193 

   194     HttpContextImpl getHttpContext () {

   195             return context;

   196     }

   197 }