/* * Copyright ( c ) 2014 , 2022 , 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 . /** * Defines the JDK - specific HTTP server API , and provides the jwebserver tool * for running a minimal HTTP server . * * < p > The { @ link com . sun . net . httpserver } package defines a high - level API for * building servers that support HTTP and HTTPS . The SimpleFileServer class * implements a simple HTTP - only file server intended for testing , development * and debugging purposes . A default implementation is provided via the * { @ code jwebserver } tool and the main entry point of the module , which can * also be invoked with { @ code java - m jdk . httpserver } . * * < p > The { @ link com . sun . net . httpserver . spi } package specifies a Service Provider * Interface ( SPI ) for locating HTTP server implementations based on the * { @ code com . sun . net . httpserver } API . * < p > * < b id = " httpserverprops " > System properties used by the HTTP server API < / b > * < p > * The following is a list of JDK specific system properties used by the default HTTP * server implementation in the JDK . Any properties below that take a numeric value * assume the default value if given a string that does not parse as a number . * < ul > * < li > < p > < b > { @ systemProperty sun . net . httpserver . idleInterval } < / b > ( default : 30 sec ) < br > * Maximum duration in seconds which an idle connection is kept open . This timer * has an implementation specific granularity that may mean that idle connections are * closed later than the specified interval . Values less than or equal to zero are mapped * to the default setting . * < / li > * < li > < p > < b > { @ systemProperty jdk . httpserver . maxConnections } < / b > ( default : - 1 ) < br > * The maximum number of open connections at a time . This includes active and idle connections . * If zero or negative , then no limit is enforced . * < / li > * < li > < p > < b > { @ systemProperty sun . net . httpserver . maxIdleConnections } < / b > ( default : 200 ) < br > * The maximum number of idle connections at a time . If set to zero or a negative value * then connections are closed after use . * < / li > * < li > < p > < b > { @ systemProperty sun . net . httpserver . drainAmount } < / b > ( default : 65536 ) < br > * The maximum number of bytes that will be automatically read and discarded from a * request body that has not been completely consumed by its * { @ link com . sun . net . httpserver . HttpHandler HttpHandler } . If the number of remaining * unread bytes are less than this limit then the connection will be put in the idle connection * cache . If not , then it will be closed . * < / li > * < li > < p > < b > { @ systemProperty sun . net . httpserver . maxReqHeaders } < / b > ( default : 200 ) < br > * The maxiumum number of header fields accepted in a request . If this limit is exceeded * while the headers are being read , then the connection is terminated and the request ignored . * If the value is less than or equal to zero , then the default value is used . * < / li > * < li > < p > < b > { @ systemProperty sun . net . httpserver . maxReqTime } < / b > ( default : - 1 ) < br > * The maximum time in milliseconds allowed to receive a request headers and body . * In practice , the actual time is a function of request size , network speed , and handler * processing delays . A value less than or equal to zero means the time is not limited . * If the limit is exceeded then the connection is terminated and the handler will receive a * { @ link java . io . IOException } . This timer has an implementation specific granularity * that may mean requests are aborted later than the specified interval . * < / li > * < li > < p > < b > { @ systemProperty sun . net . httpserver . maxRspTime } < / b > ( default : - 1 ) < br > * The maximum time in milliseconds allowed to receive a response headers and body . * In practice , the actual time is a function of response size , network speed , and handler * processing delays . A value less than or equal to zero means the time is not limited . * If the limit is exceeded then the connection is terminated and the handler will receive a * { @ link java . io . IOException } . This timer has an implementation specific granularity * that may mean responses are aborted later than the specified interval . * < / li > * < li > < p > < b > { @ systemProperty sun . net . httpserver . nodelay } < / b > ( default : false ) < br > * Boolean value , which if true , sets the { @ link java . net . StandardSocketOptions # TCP_NODELAY TCP_NODELAY } * socket option on all incoming connections . * < / li > < / ul > * * @ toolGuide jwebserver * * @ uses com . sun . net . httpserver . spi . HttpServerProvider * * @ moduleGraph * @ since 9
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