src/jdk.httpserver/share/classes/sun/net/httpserver/ServerConfig.java
changeset 47216 71c04702a3d5
parent 41592 855537e5ad9c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.httpserver/share/classes/sun/net/httpserver/ServerConfig.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,187 @@
+/*
+ * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.net.httpserver;
+
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
+import java.security.PrivilegedAction;
+
+/**
+ * Parameters that users will not likely need to set
+ * but are useful for debugging
+ */
+
+class ServerConfig {
+
+    private static final int DEFAULT_CLOCK_TICK = 10000 ; // 10 sec.
+
+    /* These values must be a reasonable multiple of clockTick */
+    private static final long DEFAULT_IDLE_INTERVAL = 30 ; // 5 min
+    private static final int DEFAULT_MAX_IDLE_CONNECTIONS = 200 ;
+
+    private static final long DEFAULT_MAX_REQ_TIME = -1; // default: forever
+    private static final long DEFAULT_MAX_RSP_TIME = -1; // default: forever
+    private static final long DEFAULT_TIMER_MILLIS = 1000;
+    private static final int  DEFAULT_MAX_REQ_HEADERS = 200;
+    private static final long DEFAULT_DRAIN_AMOUNT = 64 * 1024;
+
+    private static int clockTick;
+    private static long idleInterval;
+    // The maximum number of bytes to drain from an inputstream
+    private static long drainAmount;
+    private static int maxIdleConnections;
+    // The maximum number of request headers allowable
+    private static int maxReqHeaders;
+    // max time a request or response is allowed to take
+    private static long maxReqTime;
+    private static long maxRspTime;
+    private static long timerMillis;
+    private static boolean debug;
+
+    // the value of the TCP_NODELAY socket-level option
+    private static boolean noDelay;
+
+    static {
+        java.security.AccessController.doPrivileged(
+            new PrivilegedAction<Void>() {
+                @Override
+                public Void run () {
+                    idleInterval = Long.getLong("sun.net.httpserver.idleInterval",
+                            DEFAULT_IDLE_INTERVAL) * 1000;
+
+                    clockTick = Integer.getInteger("sun.net.httpserver.clockTick",
+                            DEFAULT_CLOCK_TICK);
+
+                    maxIdleConnections = Integer.getInteger(
+                            "sun.net.httpserver.maxIdleConnections",
+                            DEFAULT_MAX_IDLE_CONNECTIONS);
+
+                    drainAmount = Long.getLong("sun.net.httpserver.drainAmount",
+                            DEFAULT_DRAIN_AMOUNT);
+
+                    maxReqHeaders = Integer.getInteger(
+                            "sun.net.httpserver.maxReqHeaders",
+                            DEFAULT_MAX_REQ_HEADERS);
+
+                    maxReqTime = Long.getLong("sun.net.httpserver.maxReqTime",
+                            DEFAULT_MAX_REQ_TIME);
+
+                    maxRspTime = Long.getLong("sun.net.httpserver.maxRspTime",
+                            DEFAULT_MAX_RSP_TIME);
+
+                    timerMillis = Long.getLong("sun.net.httpserver.timerMillis",
+                            DEFAULT_TIMER_MILLIS);
+
+                    debug = Boolean.getBoolean("sun.net.httpserver.debug");
+
+                    noDelay = Boolean.getBoolean("sun.net.httpserver.nodelay");
+
+                    return null;
+                }
+            });
+
+    }
+
+    static void checkLegacyProperties(final Logger logger) {
+
+        // legacy properties that are no longer used
+        // print a warning to logger if they are set.
+
+        java.security.AccessController.doPrivileged(
+            new PrivilegedAction<Void>() {
+                public Void run () {
+                    if (System.getProperty("sun.net.httpserver.readTimeout")
+                                                !=null)
+                    {
+                        logger.log (Level.WARNING,
+                            "sun.net.httpserver.readTimeout "+
+                            "property is no longer used. "+
+                            "Use sun.net.httpserver.maxReqTime instead."
+                        );
+                    }
+                    if (System.getProperty("sun.net.httpserver.writeTimeout")
+                                                !=null)
+                    {
+                        logger.log (Level.WARNING,
+                            "sun.net.httpserver.writeTimeout "+
+                            "property is no longer used. Use "+
+                            "sun.net.httpserver.maxRspTime instead."
+                        );
+                    }
+                    if (System.getProperty("sun.net.httpserver.selCacheTimeout")
+                                                !=null)
+                    {
+                        logger.log (Level.WARNING,
+                            "sun.net.httpserver.selCacheTimeout "+
+                            "property is no longer used."
+                        );
+                    }
+                    return null;
+                }
+            }
+        );
+    }
+
+    static boolean debugEnabled() {
+        return debug;
+    }
+
+    static long getIdleInterval() {
+        return idleInterval;
+    }
+
+    static int getClockTick() {
+        return clockTick;
+    }
+
+    static int getMaxIdleConnections() {
+        return maxIdleConnections;
+    }
+
+    static long getDrainAmount() {
+        return drainAmount;
+    }
+
+    static int getMaxReqHeaders() {
+        return maxReqHeaders;
+    }
+
+    static long getMaxReqTime() {
+        return maxReqTime;
+    }
+
+    static long getMaxRspTime() {
+        return maxRspTime;
+    }
+
+    static long getTimerMillis() {
+        return timerMillis;
+    }
+
+    static boolean noDelay() {
+        return noDelay;
+    }
+}