File: Http11Protocol.java

package info (click to toggle)
tomcat7 7.0.28-4%2Bdeb7u4
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 31,168 kB
  • sloc: java: 218,926; xml: 44,822; jsp: 2,883; sh: 1,294; perl: 269; makefile: 166
file content (196 lines) | stat: -rw-r--r-- 7,169 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.apache.coyote.http11;

import java.io.IOException;
import java.net.Socket;

import org.apache.coyote.AbstractProtocol;
import org.apache.coyote.Processor;
import org.apache.coyote.http11.upgrade.UpgradeBioProcessor;
import org.apache.coyote.http11.upgrade.UpgradeInbound;
import org.apache.juli.logging.Log;
import org.apache.tomcat.util.net.AbstractEndpoint;
import org.apache.tomcat.util.net.JIoEndpoint;
import org.apache.tomcat.util.net.JIoEndpoint.Handler;
import org.apache.tomcat.util.net.SSLImplementation;
import org.apache.tomcat.util.net.SocketWrapper;


/**
 * Abstract the protocol implementation, including threading, etc.
 * Processor is single threaded and specific to stream-based protocols,
 * will not fit Jk protocols like JNI.
 *
 * @author Remy Maucherat
 * @author Costin Manolache
 */
public class Http11Protocol extends AbstractHttp11JsseProtocol {


    private static final org.apache.juli.logging.Log log
        = org.apache.juli.logging.LogFactory.getLog(Http11Protocol.class);
    
    @Override
    protected Log getLog() { return log; }


    @Override
    protected AbstractEndpoint.Handler getHandler() {
        return cHandler;
    }


    // ------------------------------------------------------------ Constructor


    public Http11Protocol() {
        endpoint = new JIoEndpoint();
        cHandler = new Http11ConnectionHandler(this);
        ((JIoEndpoint) endpoint).setHandler(cHandler);
        setSoLinger(Constants.DEFAULT_CONNECTION_LINGER);
        setSoTimeout(Constants.DEFAULT_CONNECTION_TIMEOUT);
        setTcpNoDelay(Constants.DEFAULT_TCP_NO_DELAY);
    }

    
    // ----------------------------------------------------------------- Fields

    protected Http11ConnectionHandler cHandler;


    // ------------------------------------------------ HTTP specific properties
    // ------------------------------------------ managed in the ProtocolHandler

    private int disableKeepAlivePercentage = 75;
    public int getDisableKeepAlivePercentage() {
        return disableKeepAlivePercentage;
    }
    public void setDisableKeepAlivePercentage(int disableKeepAlivePercentage) {
        if (disableKeepAlivePercentage < 0) {
            this.disableKeepAlivePercentage = 0;
        } else if (disableKeepAlivePercentage > 100) {
            this.disableKeepAlivePercentage = 100;
        } else {
            this.disableKeepAlivePercentage = disableKeepAlivePercentage;
        }
    }
    
    // ----------------------------------------------------- JMX related methods

    @Override
    protected String getNamePrefix() {
        return ("http-bio");
    }


    // -----------------------------------  Http11ConnectionHandler Inner Class

    protected static class Http11ConnectionHandler
            extends AbstractConnectionHandler<Socket, Http11Processor> implements Handler {

        protected Http11Protocol proto;
            
        Http11ConnectionHandler(Http11Protocol proto) {
            this.proto = proto;
        }

        @Override
        protected AbstractProtocol getProtocol() {
            return proto;
        }

        @Override
        protected Log getLog() {
            return log;
        }
        
        @Override
        public SSLImplementation getSslImplementation() {
            return proto.sslImplementation;
        }

        /**
         * Expected to be used by the handler once the processor is no longer
         * required.
         * 
         * @param socket            Not used in BIO
         * @param processor
         * @param isSocketClosing   Not used in HTTP
         * @param addToPoller       Not used in BIO
         */
        @Override
        public void release(SocketWrapper<Socket> socket,
                Processor<Socket> processor, boolean isSocketClosing,
                boolean addToPoller) {
            processor.recycle(isSocketClosing);
            recycledProcessors.offer(processor);
        }

        @Override
        protected void initSsl(SocketWrapper<Socket> socket,
                Processor<Socket> processor) {
            if (proto.isSSLEnabled() && (proto.sslImplementation != null)) {
                processor.setSslSupport(
                        proto.sslImplementation.getSSLSupport(
                                socket.getSocket()));
            } else {
                processor.setSslSupport(null);
            }

        }

        @Override
        protected void longPoll(SocketWrapper<Socket> socket,
                Processor<Socket> processor) {
            connections.put(socket.getSocket(), processor);
        }

        @Override
        protected Http11Processor createProcessor() {
            Http11Processor processor = new Http11Processor(
                    proto.getMaxHttpHeaderSize(), (JIoEndpoint)proto.endpoint,
                    proto.getMaxTrailerSize(),proto.getMaxExtensionSize(),
                    proto.getMaxSwallowSize());
            processor.setAdapter(proto.adapter);
            processor.setMaxKeepAliveRequests(proto.getMaxKeepAliveRequests());
            processor.setKeepAliveTimeout(proto.getKeepAliveTimeout());
            processor.setConnectionUploadTimeout(
                    proto.getConnectionUploadTimeout());
            processor.setDisableUploadTimeout(proto.getDisableUploadTimeout());
            processor.setCompressionMinSize(proto.getCompressionMinSize());
            processor.setCompression(proto.getCompression());
            processor.setNoCompressionUserAgents(proto.getNoCompressionUserAgents());
            processor.setCompressableMimeTypes(proto.getCompressableMimeTypes());
            processor.setRestrictedUserAgents(proto.getRestrictedUserAgents());
            processor.setSocketBuffer(proto.getSocketBuffer());
            processor.setMaxSavePostSize(proto.getMaxSavePostSize());
            processor.setServer(proto.getServer());
            processor.setDisableKeepAlivePercentage(
                    proto.getDisableKeepAlivePercentage());
            register(processor);
            return processor;
        }

        @Override
        protected Processor<Socket> createUpgradeProcessor(
                SocketWrapper<Socket> socket, UpgradeInbound inbound)
                throws IOException {
            return new UpgradeBioProcessor(socket, inbound);
        }
    }
}